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Author SHA1 Message Date
Ayke van Laethem 730da698a3 testing: run cleanups after exiting a benchmark run
This is important, otherwise temporary directories don't get removed.

Issue found while working on Go 1.20 support.
2025-10-03 10:35:24 +02:00
197 changed files with 1776 additions and 9132 deletions
+7 -8
View File
@@ -16,15 +16,14 @@ jobs:
name: build-macos
strategy:
matrix:
# macos-14: arm64 (oldest supported version as of 18-11-2025)
# macos-15-intel: amd64 (last intel version to be supported by github runners)
# See https://github.com/actions/runner-images/issues/13046
os: [macos-14, macos-15-intel]
# macos-13: amd64 (oldest supported version as of 18-10-2024)
# macos-14: arm64 (oldest arm64 version)
os: [macos-13, macos-14]
include:
- os: macos-13
goarch: amd64
- os: macos-14
goarch: arm64
- os: macos-15-intel
goarch: amd64
runs-on: ${{ matrix.os }}
steps:
- name: Install Dependencies
@@ -40,7 +39,7 @@ jobs:
- name: Install Go
uses: actions/setup-go@v6
with:
go-version: '1.25.7'
go-version: '1.25.1'
cache: true
- name: Restore LLVM source cache
uses: actions/cache/restore@v4
@@ -135,7 +134,7 @@ jobs:
- name: Install Go
uses: actions/setup-go@v6
with:
go-version: '1.25.7'
go-version: '1.25.1'
cache: true
- name: Build TinyGo (LLVM ${{ matrix.version }})
run: go install -tags=llvm${{ matrix.version }}
+44 -2
View File
@@ -31,7 +31,7 @@ jobs:
sudo rm -rf /usr/local/share/boost
df -h
- name: Check out the repo
uses: actions/checkout@v5
uses: actions/checkout@v4
with:
submodules: recursive
- name: Set up Docker Buildx
@@ -58,7 +58,7 @@ jobs:
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Build and push
uses: docker/build-push-action@v6
uses: docker/build-push-action@v5
with:
context: .
push: true
@@ -66,3 +66,45 @@ jobs:
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
- name: Trigger Drivers repo build on Github Actions
run: |
curl -X POST \
-H "Authorization: Bearer ${{secrets.GHA_ACCESS_TOKEN}}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/tinygo-org/drivers/actions/workflows/build.yml/dispatches \
-d '{"ref": "dev"}'
- name: Trigger Bluetooth repo build on Github Actions
run: |
curl -X POST \
-H "Authorization: Bearer ${{secrets.GHA_ACCESS_TOKEN}}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/tinygo-org/bluetooth/actions/workflows/linux.yml/dispatches \
-d '{"ref": "dev"}'
- name: Trigger TinyFS repo build on Github Actions
run: |
curl -X POST \
-H "Authorization: Bearer ${{secrets.GHA_ACCESS_TOKEN}}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/tinygo-org/tinyfs/actions/workflows/build.yml/dispatches \
-d '{"ref": "dev"}'
- name: Trigger TinyFont repo build on Github Actions
run: |
curl -X POST \
-H "Authorization: Bearer ${{secrets.GHA_ACCESS_TOKEN}}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/tinygo-org/tinyfont/actions/workflows/build.yml/dispatches \
-d '{"ref": "dev"}'
- name: Trigger TinyDraw repo build on Github Actions
run: |
curl -X POST \
-H "Authorization: Bearer ${{secrets.GHA_ACCESS_TOKEN}}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/tinygo-org/tinydraw/actions/workflows/build.yml/dispatches \
-d '{"ref": "dev"}'
- name: Trigger TinyTerm repo build on Github Actions
run: |
curl -X POST \
-H "Authorization: Bearer ${{secrets.GHA_ACCESS_TOKEN}}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/tinygo-org/tinyterm/actions/workflows/build.yml/dispatches \
-d '{"ref": "dev"}'
+10 -10
View File
@@ -31,7 +31,7 @@ jobs:
# We're not on a multi-user machine, so this is safe.
run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
with:
submodules: true
- name: Extract TinyGo version
@@ -131,13 +131,13 @@ jobs:
needs: build-linux
steps:
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
with:
submodules: true
- name: Install Go
uses: actions/setup-go@v6
uses: actions/setup-go@v5
with:
go-version: '1.25.7'
go-version: '1.25.0'
cache: true
- name: Install wasmtime
uses: bytecodealliance/actions/wasmtime/setup@v1
@@ -164,7 +164,7 @@ jobs:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
with:
submodules: true
- name: Install apt dependencies
@@ -179,9 +179,9 @@ jobs:
simavr \
ninja-build
- name: Install Go
uses: actions/setup-go@v6
uses: actions/setup-go@v5
with:
go-version: '1.25.7'
go-version: '1.25.0'
cache: true
- name: Install Node.js
uses: actions/setup-node@v4
@@ -284,7 +284,7 @@ jobs:
needs: build-linux
steps:
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
- name: Get TinyGo version
id: version
run: ./.github/workflows/tinygo-extract-version.sh | tee -a "$GITHUB_OUTPUT"
@@ -296,9 +296,9 @@ jobs:
g++-${{ matrix.toolchain }} \
libc6-dev-${{ matrix.libc }}-cross
- name: Install Go
uses: actions/setup-go@v6
uses: actions/setup-go@v5
with:
go-version: '1.25.7'
go-version: '1.25.0'
cache: true
- name: Restore LLVM source cache
uses: actions/cache/restore@v4
+2 -2
View File
@@ -25,7 +25,7 @@ jobs:
contents: read
steps:
- name: Check out the repo
uses: actions/checkout@v5
uses: actions/checkout@v4
with:
submodules: recursive
- name: Set up Docker Buildx
@@ -52,7 +52,7 @@ jobs:
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Build and push
uses: docker/build-push-action@v6
uses: docker/build-push-action@v5
with:
target: tinygo-llvm-build
context: .
+2 -2
View File
@@ -21,7 +21,7 @@ jobs:
# See: https://github.com/tinygo-org/tinygo/pull/4516#issuecomment-2416363668
run: sudo apt-get remove llvm-18
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
- name: Pull musl, bdwgc
run: |
git submodule update --init lib/musl lib/bdwgc
@@ -42,7 +42,7 @@ jobs:
key: ${{ steps.cache-llvm-source.outputs.cache-primary-key }}
path: |
llvm-project/compiler-rt
- uses: cachix/install-nix-action@v31
- uses: cachix/install-nix-action@v22
- name: Test
run: |
nix develop --ignore-environment --keep HOME --command bash -c "go install && ~/go/bin/tinygo version && ~/go/bin/tinygo build -o test ./testdata/cgo"
+1 -1
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@@ -20,7 +20,7 @@ jobs:
run: |
echo "$HOME/go/bin" >> $GITHUB_PATH
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
with:
fetch-depth: 0 # fetch all history (no sparse checkout)
submodules: true
+12 -12
View File
@@ -31,7 +31,7 @@ jobs:
run: |
scoop install ninja binaryen
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
with:
submodules: true
- name: Extract TinyGo version
@@ -39,9 +39,9 @@ jobs:
shell: bash
run: ./.github/workflows/tinygo-extract-version.sh | tee -a "$GITHUB_OUTPUT"
- name: Install Go
uses: actions/setup-go@v6
uses: actions/setup-go@v5
with:
go-version: '1.25.7'
go-version: '1.25.0'
cache: true
- name: Restore cached LLVM source
uses: actions/cache/restore@v4
@@ -143,11 +143,11 @@ jobs:
run: |
scoop install binaryen
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
- name: Install Go
uses: actions/setup-go@v6
uses: actions/setup-go@v5
with:
go-version: '1.25.7'
go-version: '1.25.0'
cache: true
- name: Download TinyGo build
uses: actions/download-artifact@v4
@@ -173,11 +173,11 @@ jobs:
maximum-size: 24GB
disk-root: "C:"
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
- name: Install Go
uses: actions/setup-go@v6
uses: actions/setup-go@v5
with:
go-version: '1.25.7'
go-version: '1.25.0'
cache: true
- name: Download TinyGo build
uses: actions/download-artifact@v4
@@ -209,11 +209,11 @@ jobs:
run: |
scoop install binaryen && scoop install wasmtime@29.0.1
- name: Checkout
uses: actions/checkout@v5
uses: actions/checkout@v4
- name: Install Go
uses: actions/setup-go@v6
uses: actions/setup-go@v5
with:
go-version: '1.25.7'
go-version: '1.25.0'
cache: true
- name: Download TinyGo build
uses: actions/download-artifact@v4
+1 -1
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@@ -16,7 +16,7 @@
url = https://github.com/WebAssembly/wasi-libc
[submodule "lib/picolibc"]
path = lib/picolibc
url = https://github.com/picolibc/picolibc.git
url = https://github.com/keith-packard/picolibc.git
[submodule "lib/stm32-svd"]
path = lib/stm32-svd
url = https://github.com/tinygo-org/stm32-svd
-101
View File
@@ -1,104 +1,3 @@
0.40.1
---
* **machine**
- nrf: fix flash writes when SoftDevice is enabled
* **runtime**
- runtime: avoid fixed math/rand sequence on RP2040/RP2350 (#5124)
- runtime: add calls to initRand() during run() for all schedulers
- runtime: call initRand() before initHeap() during initialization
- runtime: use rand_hwrng hardwareRand for RP2040/RP2350 (#5135)
* **libs**
- picolibc: use updated location for git repo
0.40.0
---
* **general**
- all: add full LLVM 20 support
- core: feat: enable //go:linkname pragma for globals
- core: feature: Add flag to ignore go compatibility matrix (#5078)
- chore: update version for 0.40 development cycle
* **compiler**
- emit an error when the actual arch doesn't match GOARCH
- mark string parameters as readonly
- use Tarjan's SCC algorithm to detect loops for defer
- lower "large stack" limit to 16kb
* **core**
- shrink bdwgc library
- Fix linker errors for runtime.vgetrandom and crypto/internal/sysrand.fatal
- fix: add TryLock to sync.RWMutex
- fix: correct linter issues exposed by the fix in #4679
- fix: don't hardcode success return state
- fix: expand RTT debugger compatibility
- internal/task (threads): save stack bounds instead of scanning under a lock
- internal/task: create detached threads and fix error handling
- interp: better errors when debugging interp
- transform (gc): create stack slots in callers of external functions
- internal/task: prevent semaphore resource leak for threads scheduler
* **machine**
- cortexm: optimize code size for the HardFault_Handler
- fe310: add I2C pins for the HiFive1b
- clarify WriteAt semantics of BlockDevice
- fix deprecated AsmFull comment (#5005)
- make sure DMA buffers do not escape unnecessarily
- only enable USB-CDC when needed
- use larger SPI MAXCNT on nrf52833 and nrf52840
- fix: update m.queuedBytes when clamping output to avoid corrupting sentBytes
- fix: use int64 in ReadTemperature to avoid overflow
- fix(rp2): disable DBGPAUSE on startup
- fix(rp2): possible integer overflow while computing factors for SPI baudrate
- fix(rp2): reset spinlocks at startup
- fix(rp2): switch spinlock busy loop to wfe
- fix(rp2): use side-effect-free spinlocks
- nrf: add ADC_VDDH which is an ADC pin for VDDH
- nrf: don't block SPI transfer
- nrf: don't set PSELN, it's ignored in single ended mode anyway
- nrf: fix typo in ADC configuration
- nrf: refactor SoftDevice enabled check
- nrf: rename pwmPin to adcPin
- nrf: support flash operations while the SoftDevice is enabled
- rp2040: allow writing to the UART inside interrupts
- machine,nrf528: stop the bus only once on I2C bus error and ensures the first error is returned
* **net**
- update submodule to latest commits
* **runtime**
- (avr): fix infinite longjmp loop if stack is aligned to 256 bytes
- (gc_blocks.go): clear full size of allocation
- (gc_blocks.go): make sweep branchless
- (gc_blocks.go): simplify scanning logic
- (gc_blocks.go): use a linked stack to scan marked objects
- (gc_blocks.go): use best-fit allocation
- (gc_boehm.go): fix world already stopped check
- (wasm): scan the system stack
- fix sleep duration for long sleeps
- remove copied code for nrf52840
- src/syscall: update src buffer after write
- wasm: fix C realloc and optimize it a bit
* **targets**
- add xiao-esp32s3 board target
- Add ESP32-S3 support (#5091)
- Added Gopher ARCADE board
- Create "pico2-ice" target board (#5062)
* **build/test**
- Add testing.T.Context() and testing.B.Context()
- create separate go.mod file for testing dependencies for wasm tests that use Chromium headless browser to avoid use of older incompatible version.
- go back to normal scheduler instead of tasks scheduler for macos CI
- update CI to use Go 1.25.5
- update macOS GH actions builds to handle sunset of macOS 13
- use task scheduler on macOS builds to avoid test race condition lockups
- update all CI builds to use latest stable Go release. Also update some of the actions to their latest releases.
- update GH actions builds to use Go 1.25.4
- uninstall cmake before install
- fix: point the submodule for musl-lib to a mirror in the TinyGo GitHub org
- fix: remove macOS 15 from CI build matrix (conflicts with macOS 14 build)
- fix: separate host expected bytes from device intended bytes
- fix/typo: makeESPFirmwareImage
- make: GNUmakefile: shrink TinyGo binaries on Linux
- move the directory list into a variable
- several improvements to the macOS GH actions build
- Fix for #4678: top-level 'make lint' wasn't working
- fix: increase the timeout for chromedp to connect to the headless browser used for running the wasm tests.
- testdata: some more packages for the test corpus
0.39.0
---
* **general**
+1 -16
View File
@@ -481,7 +481,6 @@ TEST_IOFS := false
endif
TEST_SKIP_FLAG := -skip='TestExtraMethods|TestParseAndBytesRoundTrip/P256/Generic'
TEST_ADDITIONAL_FLAGS ?=
# Test known-working standard library packages.
# TODO: parallelize, and only show failing tests (no implied -v flag).
@@ -489,7 +488,7 @@ TEST_ADDITIONAL_FLAGS ?=
tinygo-test:
@# TestExtraMethods: used by many crypto packages and uses reflect.Type.Method which is not implemented.
@# TestParseAndBytesRoundTrip/P256/Generic: relies on t.Skip() which is not implemented
$(TINYGO) test $(TEST_ADDITIONAL_FLAGS) $(TEST_SKIP_FLAG) $(TEST_PACKAGES_HOST) $(TEST_PACKAGES_SLOW)
$(TINYGO) test $(TEST_SKIP_FLAG) $(TEST_PACKAGES_HOST) $(TEST_PACKAGES_SLOW)
@# io/fs requires os.ReadDir, not yet supported on windows or wasi. It also
@# requires a large stack-size. Hence, io/fs is only run conditionally.
@# For more details, see the comments on issue #3143.
@@ -622,8 +621,6 @@ smoketest: testchdir
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=feather-rp2040 examples/device-id
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=pico2-ice examples/blinky1
@$(MD5SUM) test.hex
# test simulated boards on play.tinygo.org
ifneq ($(WASM), 0)
GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=arduino examples/blinky1
@@ -814,8 +811,6 @@ endif
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=waveshare-rp2040-tiny examples/echo
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=vicharak_shrike-lite examples/echo
@$(MD5SUM) test.hex
# test pwm
$(TINYGO) build -size short -o test.hex -target=itsybitsy-m0 examples/pwm
@$(MD5SUM) test.hex
@@ -898,10 +893,6 @@ endif
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=digispark examples/blinky1
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=digispark examples/pwm
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=digispark examples/mcp3008
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=digispark -gc=leaking examples/blinky1
@$(MD5SUM) test.hex
ifneq ($(XTENSA), 0)
@@ -921,12 +912,6 @@ ifneq ($(XTENSA), 0)
@$(MD5SUM) test.bin
$(TINYGO) build -size short -o test.bin -target mch2022 examples/machinetest
@$(MD5SUM) test.bin
$(TINYGO) build -size short -o test.bin -target=xiao-esp32s3 examples/blinky1
@$(MD5SUM) test.bin
$(TINYGO) build -size short -o test.bin -target=xiao-esp32s3 examples/mcp3008
@$(MD5SUM) test.bin
$(TINYGO) build -size short -o test.bin -target=esp32s3-wroom1 examples/mcp3008
@$(MD5SUM) test.bin
endif
$(TINYGO) build -size short -o test.bin -target=esp-c3-32s-kit examples/blinky1
@$(MD5SUM) test.bin
+2 -3
View File
@@ -1,8 +1,7 @@
Copyright (c) 2018-2026 The TinyGo Authors. All rights reserved.
Copyright (c) 2018-2025 The TinyGo Authors. All rights reserved.
TinyGo includes portions of the Go standard library.
Copyright 2009 The Go Authors. All rights reserved.
See https://github.com/golang/go/blob/master/LICENSE for license information.
Copyright (c) 2009-2024 The Go Authors. All rights reserved.
TinyGo includes portions of LLVM, which is under the Apache License v2.0 with
LLVM Exceptions. See https://llvm.org/LICENSE.txt for license information.
+1 -4
View File
@@ -6,9 +6,6 @@ TinyGo is a Go compiler intended for use in small places such as microcontroller
It reuses libraries used by the [Go language tools](https://golang.org/pkg/go/) alongside [LLVM](http://llvm.org) to provide an alternative way to compile programs written in the Go programming language.
> [!IMPORTANT]
> You can help TinyGo with a financial contribution using OpenCollective. Please see https://opencollective.com/tinygo for more information. Thank you!
## Embedded
Here is an example program that blinks the built-in LED when run directly on any supported board with onboard LED:
@@ -66,7 +63,7 @@ tinygo build -buildmode=c-shared -o add.wasm -target=wasip1 add.go
You can also use the same syntax as Go 1.24+:
```shell
GOOS=wasip1 GOARCH=wasm tinygo build -buildmode=c-shared -o add.wasm add.go
GOARCH=wasip1 GOOS=wasm tinygo build -buildmode=c-shared -o add.wasm add.go
```
## Installation
+3 -6
View File
@@ -30,10 +30,7 @@ var BoehmGC = Library{
// Use a minimal environment.
"-DNO_MSGBOX_ON_ERROR", // don't call MessageBoxA on Windows
"-DDONT_USE_ATEXIT",
"-DNO_GETENV", // smaller binary, more predictable configuration
"-DNO_CLOCK", // don't use system clock
"-DNO_DEBUGGING", // reduce code size
"-DGC_NO_FINALIZATION", // finalization is not used at the moment
"-DNO_GETENV",
// Special flag to work around the lack of __data_start in ld.lld.
// TODO: try to fix this in LLVM/lld directly so we don't have to
@@ -42,8 +39,6 @@ var BoehmGC = Library{
// Do not scan the stack. We have our own mechanism to do this.
"-DSTACK_NOT_SCANNED",
"-DNO_PROC_STAT", // we scan the stack manually (don't read /proc/self/stat on Linux)
"-DSTACKBOTTOM=0", // dummy value, we scan the stack manually
// Assertions can be enabled while debugging GC issues.
//"-DGC_ASSERTIONS",
@@ -68,6 +63,7 @@ var BoehmGC = Library{
"blacklst.c",
"dbg_mlc.c",
"dyn_load.c",
"finalize.c",
"headers.c",
"mach_dep.c",
"malloc.c",
@@ -75,6 +71,7 @@ var BoehmGC = Library{
"mark_rts.c",
"misc.c",
"new_hblk.c",
"obj_map.c",
"os_dep.c",
"reclaim.c",
}
+5 -10
View File
@@ -19,7 +19,6 @@ import (
"os/exec"
"path/filepath"
"runtime"
"slices"
"sort"
"strconv"
"strings"
@@ -282,13 +281,9 @@ func Build(pkgName, outpath, tmpdir string, config *compileopts.Config) (BuildRe
allFiles[file.Name] = append(allFiles[file.Name], file)
}
}
// Sort embedded files by name to maintain output determinism.
embedNames := make([]string, 0, len(allFiles))
for _, files := range allFiles {
embedNames = append(embedNames, files[0].Name)
}
slices.Sort(embedNames)
for _, name := range embedNames {
for name, files := range allFiles {
name := name
files := files
job := &compileJob{
description: "make object file for " + name,
run: func(job *compileJob) error {
@@ -303,7 +298,7 @@ func Build(pkgName, outpath, tmpdir string, config *compileopts.Config) (BuildRe
sum := sha256.Sum256(data)
hexSum := hex.EncodeToString(sum[:16])
for _, file := range allFiles[name] {
for _, file := range files {
file.Size = uint64(len(data))
file.Hash = hexSum
if file.NeedsData {
@@ -1047,7 +1042,7 @@ func Build(pkgName, outpath, tmpdir string, config *compileopts.Config) (BuildRe
if err != nil {
return result, err
}
case "esp32", "esp32-img", "esp32c3", "esp32s3", "esp8266":
case "esp32", "esp32-img", "esp32c3", "esp8266":
// Special format for the ESP family of chips (parsed by the ROM
// bootloader).
result.Binary = filepath.Join(tmpdir, "main"+outext)
-1
View File
@@ -28,7 +28,6 @@ func TestClangAttributes(t *testing.T) {
"cortex-m4",
"cortex-m7",
"esp32c3",
"esp32s3",
"fe310",
"gameboy-advance",
"k210",
+4 -7
View File
@@ -33,13 +33,10 @@ func NewConfig(options *compileopts.Options) (*compileopts.Config, error) {
if err != nil {
return nil, err
}
if options.GoCompatibility {
if gorootMajor != 1 || gorootMinor < minorMin || gorootMinor > minorMax {
// Note: when this gets updated, also update the Go compatibility matrix:
// https://github.com/tinygo-org/tinygo-site/blob/dev/content/docs/reference/go-compat-matrix.md
return nil, fmt.Errorf("requires go version 1.%d through 1.%d, got go%d.%d", minorMin, minorMax, gorootMajor, gorootMinor)
}
if gorootMajor != 1 || gorootMinor < minorMin || gorootMinor > minorMax {
// Note: when this gets updated, also update the Go compatibility matrix:
// https://github.com/tinygo-org/tinygo-site/blob/dev/content/docs/reference/go-compat-matrix.md
return nil, fmt.Errorf("requires go version 1.%d through 1.%d, got go%d.%d", minorMin, minorMax, gorootMajor, gorootMinor)
}
// Check that the Go toolchain version isn't too new, if we haven't been
+1 -2
View File
@@ -100,12 +100,11 @@ func makeESPFirmwareImage(infile, outfile, format string) error {
chip_id := map[string]uint16{
"esp32": 0x0000,
"esp32c3": 0x0005,
"esp32s3": 0x0009,
}[chip]
// Image header.
switch chip {
case "esp32", "esp32c3", "esp32s3":
case "esp32", "esp32c3":
// Header format:
// https://github.com/espressif/esp-idf/blob/v4.3/components/bootloader_support/include/esp_app_format.h#L71
// Note: not adding a SHA256 hash as the binary is modified by
+3 -3
View File
@@ -42,9 +42,9 @@ func TestBinarySize(t *testing.T) {
// This is a small number of very diverse targets that we want to test.
tests := []sizeTest{
// microcontrollers
{"hifive1b", "examples/echo", 3668, 280, 0, 2244},
{"microbit", "examples/serial", 2694, 342, 8, 2248},
{"wioterminal", "examples/pininterrupt", 6837, 1491, 120, 6888},
{"hifive1b", "examples/echo", 3884, 280, 0, 2268},
{"microbit", "examples/serial", 2924, 388, 8, 2272},
{"wioterminal", "examples/pininterrupt", 7365, 1491, 116, 6912},
// TODO: also check wasm. Right now this is difficult, because
// wasm binaries are run through wasm-opt and therefore the
+1 -1
View File
@@ -226,7 +226,7 @@ func (c *Config) StackSize() uint64 {
// MaxStackAlloc returns the size of the maximum allocation to put on the stack vs heap.
func (c *Config) MaxStackAlloc() uint64 {
if c.StackSize() >= 16*1024 {
if c.StackSize() > 32*1024 {
return 1024
}
-1
View File
@@ -59,7 +59,6 @@ type Options struct {
WITPackage string // pass through to wasm-tools component embed invocation
WITWorld string // pass through to wasm-tools component embed -w option
ExtLDFlags []string
GoCompatibility bool // enable to check for Go version compatibility
}
// Verify performs a validation on the given options, raising an error if options are not valid.
+1 -1
View File
@@ -245,7 +245,7 @@ func (b *builder) createRuntimeAssert(assert llvm.Value, blockPrefix, assertFunc
// current insert position.
faultBlock := b.ctx.AddBasicBlock(b.llvmFn, blockPrefix+".throw")
nextBlock := b.insertBasicBlock(blockPrefix + ".next")
b.currentBlockInfo.exit = nextBlock // adjust outgoing block for phi nodes
b.blockExits[b.currentBlock] = nextBlock // adjust outgoing block for phi nodes
// Now branch to the out-of-bounds or the regular block.
b.CreateCondBr(assert, faultBlock, nextBlock)
-8
View File
@@ -32,9 +32,6 @@ const (
// Whether this is a full or partial Go parameter (int, slice, etc).
// The extra context parameter is not a Go parameter.
paramIsGoParam = 1 << iota
// Whether this is a readonly parameter (for example, a string pointer).
paramIsReadonly
)
// createRuntimeCallCommon creates a runtime call. Use createRuntimeCall or
@@ -170,7 +167,6 @@ func (c *compilerContext) flattenAggregateType(t llvm.Type, name string, goType
continue
}
suffix := strconv.Itoa(i)
isString := false
if goType != nil {
// Try to come up with a good suffix for this struct field,
// depending on which Go type it's based on.
@@ -187,16 +183,12 @@ func (c *compilerContext) flattenAggregateType(t llvm.Type, name string, goType
suffix = []string{"r", "i"}[i]
case types.String:
suffix = []string{"data", "len"}[i]
isString = true
}
case *types.Signature:
suffix = []string{"context", "funcptr"}[i]
}
}
subInfos := c.flattenAggregateType(subfield, name+"."+suffix, extractSubfield(goType, i))
if isString {
subInfos[0].flags |= paramIsReadonly
}
paramInfos = append(paramInfos, subInfos...)
}
return paramInfos
+28 -132
View File
@@ -152,12 +152,10 @@ type builder struct {
llvmFnType llvm.Type
llvmFn llvm.Value
info functionInfo
locals map[ssa.Value]llvm.Value // local variables
blockInfo []blockInfo
locals map[ssa.Value]llvm.Value // local variables
blockEntries map[*ssa.BasicBlock]llvm.BasicBlock // a *ssa.BasicBlock may be split up
blockExits map[*ssa.BasicBlock]llvm.BasicBlock // these are the exit blocks
currentBlock *ssa.BasicBlock
currentBlockInfo *blockInfo
tarjanStack []uint
tarjanIndex uint
phis []phiNode
deferPtr llvm.Value
deferFrame llvm.Value
@@ -189,22 +187,11 @@ func newBuilder(c *compilerContext, irbuilder llvm.Builder, f *ssa.Function) *bu
info: c.getFunctionInfo(f),
locals: make(map[ssa.Value]llvm.Value),
dilocals: make(map[*types.Var]llvm.Metadata),
blockEntries: make(map[*ssa.BasicBlock]llvm.BasicBlock),
blockExits: make(map[*ssa.BasicBlock]llvm.BasicBlock),
}
}
type blockInfo struct {
// entry is the LLVM basic block corresponding to the start of this *ssa.Block.
entry llvm.BasicBlock
// exit is the LLVM basic block corresponding to the end of this *ssa.Block.
// It will be different than entry if any of the block's instructions contain internal branches.
exit llvm.BasicBlock
// tarjan holds state for applying Tarjan's strongly connected components algorithm to the CFG.
// This is used by defer.go to determine whether to stack- or heap-allocate defer data.
tarjan tarjanNode
}
type deferBuiltin struct {
callName string
pos token.Pos
@@ -1233,29 +1220,14 @@ func (b *builder) createFunctionStart(intrinsic bool) {
// intrinsic (like an atomic operation). Create the entry block
// manually.
entryBlock = b.ctx.AddBasicBlock(b.llvmFn, "entry")
// Intrinsics may create internal branches (e.g. nil checks).
// They will attempt to access b.currentBlockInfo to update the exit block.
// Create some fake block info for them to access.
blockInfo := []blockInfo{
{
entry: entryBlock,
exit: entryBlock,
},
}
b.blockInfo = blockInfo
b.currentBlockInfo = &blockInfo[0]
} else {
blocks := b.fn.Blocks
blockInfo := make([]blockInfo, len(blocks))
for _, block := range b.fn.DomPreorder() {
info := &blockInfo[block.Index]
llvmBlock := b.ctx.AddBasicBlock(b.llvmFn, block.Comment)
info.entry = llvmBlock
info.exit = llvmBlock
b.blockEntries[block] = llvmBlock
b.blockExits[block] = llvmBlock
}
b.blockInfo = blockInfo
// Normal functions have an entry block.
entryBlock = blockInfo[0].entry
entryBlock = b.blockEntries[b.fn.Blocks[0]]
}
b.SetInsertPointAtEnd(entryBlock)
@@ -1351,9 +1323,8 @@ func (b *builder) createFunction() {
if b.DumpSSA {
fmt.Printf("%d: %s:\n", block.Index, block.Comment)
}
b.SetInsertPointAtEnd(b.blockEntries[block])
b.currentBlock = block
b.currentBlockInfo = &b.blockInfo[block.Index]
b.SetInsertPointAtEnd(b.currentBlockInfo.entry)
for _, instr := range block.Instrs {
if instr, ok := instr.(*ssa.DebugRef); ok {
if !b.Debug {
@@ -1413,7 +1384,7 @@ func (b *builder) createFunction() {
block := phi.ssa.Block()
for i, edge := range phi.ssa.Edges {
llvmVal := b.getValue(edge, getPos(phi.ssa))
llvmBlock := b.blockInfo[block.Preds[i].Index].exit
llvmBlock := b.blockExits[block.Preds[i]]
phi.llvm.AddIncoming([]llvm.Value{llvmVal}, []llvm.BasicBlock{llvmBlock})
}
}
@@ -1527,11 +1498,11 @@ func (b *builder) createInstruction(instr ssa.Instruction) {
case *ssa.If:
cond := b.getValue(instr.Cond, getPos(instr))
block := instr.Block()
blockThen := b.blockInfo[block.Succs[0].Index].entry
blockElse := b.blockInfo[block.Succs[1].Index].entry
blockThen := b.blockEntries[block.Succs[0]]
blockElse := b.blockEntries[block.Succs[1]]
b.CreateCondBr(cond, blockThen, blockElse)
case *ssa.Jump:
blockJump := b.blockInfo[instr.Block().Succs[0].Index].entry
blockJump := b.blockEntries[instr.Block().Succs[0]]
b.CreateBr(blockJump)
case *ssa.MapUpdate:
m := b.getValue(instr.Map, getPos(instr))
@@ -1599,8 +1570,7 @@ func (b *builder) createBuiltin(argTypes []types.Type, argValues []llvm.Value, c
elemsLen := b.CreateExtractValue(elems, 1, "append.elemsLen")
elemType := b.getLLVMType(argTypes[0].Underlying().(*types.Slice).Elem())
elemSize := llvm.ConstInt(b.uintptrType, b.targetData.TypeAllocSize(elemType), false)
elemLayout := b.createObjectLayout(elemType, pos)
result := b.createRuntimeCall("sliceAppend", []llvm.Value{srcBuf, elemsBuf, srcLen, srcCap, elemsLen, elemSize, elemLayout}, "append.new")
result := b.createRuntimeCall("sliceAppend", []llvm.Value{srcBuf, elemsBuf, srcLen, srcCap, elemsLen, elemSize}, "append.new")
newPtr := b.CreateExtractValue(result, 0, "append.newPtr")
newLen := b.CreateExtractValue(result, 1, "append.newLen")
newCap := b.CreateExtractValue(result, 2, "append.newCap")
@@ -1682,41 +1652,13 @@ func (b *builder) createBuiltin(argTypes []types.Type, argValues []llvm.Value, c
case "copy":
dst := argValues[0]
src := argValues[1]
// Fetch the lengths.
dstLen := b.CreateExtractValue(dst, 1, "copy.dstLen")
srcLen := b.CreateExtractValue(src, 1, "copy.srcLen")
// Find the minimum of the lengths.
minFuncName := "llvm.umin.i" + strconv.Itoa(b.uintptrType.IntTypeWidth())
minFunc := b.mod.NamedFunction(minFuncName)
if minFunc.IsNil() {
fnType := llvm.FunctionType(b.uintptrType, []llvm.Type{b.uintptrType, b.uintptrType}, false)
minFunc = llvm.AddFunction(b.mod, minFuncName, fnType)
}
minLen := b.CreateCall(minFunc.GlobalValueType(), minFunc, []llvm.Value{dstLen, srcLen}, "copy.n")
// Multiply the length by the element size.
dstBuf := b.CreateExtractValue(dst, 0, "copy.dstArray")
srcBuf := b.CreateExtractValue(src, 0, "copy.srcArray")
elemType := b.getLLVMType(argTypes[0].Underlying().(*types.Slice).Elem())
elemSize := llvm.ConstInt(b.uintptrType, b.targetData.TypeAllocSize(elemType), false)
// NOTE: This is also NSW when uintptr is int, but we can only choose one through the C API?
size := b.CreateNUWMul(minLen, elemSize, "copy.size")
// Fetch the pointers.
dstBuf := b.CreateExtractValue(dst, 0, "copy.dstPtr")
srcBuf := b.CreateExtractValue(src, 0, "copy.srcPtr")
// Create a memcpy.
call := b.createMemCopy("memmove", dstBuf, srcBuf, size)
align := b.targetData.ABITypeAlignment(elemType)
if align > 1 {
// Apply the type's alignment to the arguments.
// LLVM sometimes turns constant-length moves into loads and stores.
// It may use this alignment for the created loads and stores.
alignAttr := b.ctx.CreateEnumAttribute(llvm.AttributeKindID("align"), uint64(align))
call.AddCallSiteAttribute(1, alignAttr)
call.AddCallSiteAttribute(2, alignAttr)
}
// Extend and return the copied length.
if b.targetData.TypeAllocSize(minLen.Type()) < b.targetData.TypeAllocSize(b.intType) {
minLen = b.CreateZExt(minLen, b.intType, "copy.n.zext")
}
return minLen, nil
return b.createRuntimeCall("sliceCopy", []llvm.Value{dstBuf, srcBuf, dstLen, srcLen, elemSize}, "copy.n"), nil
case "delete":
m := argValues[0]
key := argValues[1]
@@ -1744,66 +1686,20 @@ func (b *builder) createBuiltin(argTypes []types.Type, argValues []llvm.Value, c
return llvmLen, nil
case "min", "max":
// min and max builtins, added in Go 1.21.
// Find the corresponding intrinsic name.
ty := argTypes[0].Underlying().(*types.Basic)
llvmType := b.getLLVMType(ty)
info := ty.Info()
var prefix, delimeter, typeName string
if info&types.IsInteger != 0 {
// This is an integer value.
// Use the LLVM int min/max intrinsics.
prefix = "llvm.s"
if info&types.IsUnsigned != 0 {
prefix = "llvm.u"
}
delimeter = ".i"
typeName = strconv.Itoa(llvmType.IntTypeWidth())
} else {
switch ty.Kind() {
case types.String:
// Strings do not have an equivalent intrinsic.
// Implement with compares and selects.
tok := token.LSS
if callName == "max" {
tok = token.GTR
}
result := argValues[0]
typ := argTypes[0]
for _, arg := range argValues[1:] {
cmp, err := b.createBinOp(tok, typ, typ, result, arg, pos)
if err != nil {
return result, err
}
result = b.CreateSelect(cmp, result, arg, "")
}
return result, nil
case types.Float32:
typeName = "f32"
case types.Float64:
typeName = "f64"
default:
return llvm.Value{}, b.makeError(pos, "todo: min/max: unknown type")
}
// There are a few edge cases with floating point min/max:
// min(-0.0, +0.0) = -0.0
// min(NaN, number) = NaN
// The llvm.minimum.*/llvm.maximum.* intrinsics match this behavior.
// Neither Go nor LLVM defines the bit representation of resulting NaNs.
prefix = "llvm."
delimeter = "imum."
// We can simply reuse the existing binop comparison code, which has all
// the edge cases figured out already.
tok := token.LSS
if callName == "max" {
tok = token.GTR
}
intrinsicName := prefix + callName + delimeter + typeName
// Find or create the intrinsic.
llvmFn := b.mod.NamedFunction(intrinsicName)
if llvmFn.IsNil() {
fnType := llvm.FunctionType(llvmType, []llvm.Type{llvmType, llvmType}, false)
llvmFn = llvm.AddFunction(b.mod, intrinsicName, fnType)
}
// Call the intrinsic repeatedly to merge the arguments.
callType := llvmFn.GlobalValueType()
result := argValues[0]
typ := argTypes[0]
for _, arg := range argValues[1:] {
result = b.CreateCall(callType, llvmFn, []llvm.Value{result, arg}, "")
cmp, err := b.createBinOp(tok, typ, typ, result, arg, pos)
if err != nil {
return result, err
}
result = b.CreateSelect(cmp, result, arg, "")
}
return result, nil
case "panic":
+29 -99
View File
@@ -100,7 +100,7 @@ func (b *builder) createLandingPad() {
// Continue at the 'recover' block, which returns to the parent in an
// appropriate way.
b.CreateBr(b.blockInfo[b.fn.Recover.Index].entry)
b.CreateBr(b.blockEntries[b.fn.Recover])
}
// Create a checkpoint (similar to setjmp). This emits inline assembly that
@@ -234,108 +234,41 @@ func (b *builder) createInvokeCheckpoint() {
continueBB := b.insertBasicBlock("")
b.CreateCondBr(isZero, continueBB, b.landingpad)
b.SetInsertPointAtEnd(continueBB)
b.currentBlockInfo.exit = continueBB
b.blockExits[b.currentBlock] = continueBB
}
// isInLoop checks if there is a path from the current block to itself.
// Use Tarjan's strongly connected components algorithm to search for cycles.
// A one-node SCC is a cycle iff there is an edge from the node to itself.
// A multi-node SCC is always a cycle.
// https://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm
func (b *builder) isInLoop() bool {
if b.currentBlockInfo.tarjan.lowLink == 0 {
b.strongConnect(b.currentBlock)
}
return b.currentBlockInfo.tarjan.cyclic
}
// isInLoop checks if there is a path from a basic block to itself.
func isInLoop(start *ssa.BasicBlock) bool {
// Use a breadth-first search to scan backwards through the block graph.
queue := []*ssa.BasicBlock{start}
checked := map[*ssa.BasicBlock]struct{}{}
func (b *builder) strongConnect(block *ssa.BasicBlock) {
// Assign a new index.
// Indices start from 1 so that 0 can be used as a sentinel.
assignedIndex := b.tarjanIndex + 1
b.tarjanIndex = assignedIndex
for len(queue) > 0 {
// pop a block off of the queue
block := queue[len(queue)-1]
queue = queue[:len(queue)-1]
// Apply the new index.
blockIndex := block.Index
node := &b.blockInfo[blockIndex].tarjan
node.lowLink = assignedIndex
// Push the node onto the stack.
node.onStack = true
b.tarjanStack = append(b.tarjanStack, uint(blockIndex))
// Process the successors.
for _, successor := range block.Succs {
// Look up the successor's state.
successorIndex := successor.Index
if successorIndex == blockIndex {
// Handle a self-cycle specially.
node.cyclic = true
continue
}
successorNode := &b.blockInfo[successorIndex].tarjan
switch {
case successorNode.lowLink == 0:
// This node has not yet been visisted.
b.strongConnect(successor)
case !successorNode.onStack:
// This node has been visited, but is in a different SCC.
// Ignore it, and do not update lowLink.
continue
}
// Update the lowLink index.
// This always uses the min-of-lowlink instead of using index in the on-stack case.
// This is done for two reasons:
// 1. The lowLink update can be shared between the new-node and on-stack cases.
// 2. The assigned index does not need to be saved - it is only needed for root node detection.
if successorNode.lowLink < node.lowLink {
node.lowLink = successorNode.lowLink
}
}
if node.lowLink == assignedIndex {
// This is a root node.
// Pop the SCC off the stack.
stack := b.tarjanStack
top := stack[len(stack)-1]
stack = stack[:len(stack)-1]
blocks := b.blockInfo
topNode := &blocks[top].tarjan
topNode.onStack = false
if top != uint(blockIndex) {
// The root node is not the only node in the SCC.
// Mark all nodes in this SCC as cyclic.
topNode.cyclic = true
for top != uint(blockIndex) {
top = stack[len(stack)-1]
stack = stack[:len(stack)-1]
topNode = &blocks[top].tarjan
topNode.onStack = false
topNode.cyclic = true
// Search through predecessors.
// Searching backwards means that this is pretty fast when the block is close to the start of the function.
// Defers are often placed near the start of the function.
for _, pred := range block.Preds {
if pred == start {
// cycle found
return true
}
if _, ok := checked[pred]; ok {
// block already checked
continue
}
// add to queue and checked map
queue = append(queue, pred)
checked[pred] = struct{}{}
}
b.tarjanStack = stack
}
}
// tarjanNode holds per-block state for isInLoop and strongConnect.
type tarjanNode struct {
// lowLink is the index of the first visited node that is reachable from this block.
// The lowLink indices are assigned by the SCC search, and do not correspond to b.Index.
// A lowLink of 0 is used as a sentinel to mark a node which has not yet been visited.
lowLink uint
// onStack tracks whether this node is currently on the SCC search stack.
onStack bool
// cyclic indicates whether this block is in a loop.
// If lowLink is 0, strongConnect must be called before reading this field.
cyclic bool
return false
}
// createDefer emits a single defer instruction, to be run when this function
@@ -477,10 +410,7 @@ func (b *builder) createDefer(instr *ssa.Defer) {
// Put this struct in an allocation.
var alloca llvm.Value
if instr.Block() != b.currentBlock {
panic("block mismatch")
}
if !b.isInLoop() {
if !isInLoop(instr.Block()) {
// This can safely use a stack allocation.
alloca = llvmutil.CreateEntryBlockAlloca(b.Builder, deferredCallType, "defer.alloca")
} else {
-3
View File
@@ -99,9 +99,6 @@ func typeHasPointers(t llvm.Type) bool {
}
return false
case llvm.ArrayTypeKind:
if t.ArrayLength() == 0 {
return false
}
if typeHasPointers(t.ElementType()) {
return true
}
+3 -3
View File
@@ -38,10 +38,10 @@ func (b *builder) createInlineAsm(args []ssa.Value) (llvm.Value, error) {
// provided immediately. For example:
//
// arm.AsmFull(
// "str {value}, [{result}]",
// "str {value}, {result}",
// map[string]interface{}{
// "value": 1,
// "result": uintptr(unsafe.Pointer(&dest)),
// "value": 1
// "result": &dest,
// })
func (b *builder) createInlineAsmFull(instr *ssa.CallCommon) (llvm.Value, error) {
asmString := constant.StringVal(instr.Args[0].(*ssa.Const).Value)
+1 -1
View File
@@ -737,7 +737,7 @@ func (b *builder) createTypeAssert(expr *ssa.TypeAssert) llvm.Value {
prevBlock := b.GetInsertBlock()
okBlock := b.insertBasicBlock("typeassert.ok")
nextBlock := b.insertBasicBlock("typeassert.next")
b.currentBlockInfo.exit = nextBlock // adjust outgoing block for phi nodes
b.blockExits[b.currentBlock] = nextBlock // adjust outgoing block for phi nodes
b.CreateCondBr(commaOk, okBlock, nextBlock)
// Retrieve the value from the interface if the type assert was
+8 -29
View File
@@ -27,8 +27,6 @@ func (b *builder) defineIntrinsicFunction() {
b.createStackSaveImpl()
case name == "runtime.KeepAlive":
b.createKeepAliveImpl()
case name == "machine.keepAliveNoEscape":
b.createMachineKeepAliveImpl()
case strings.HasPrefix(name, "runtime/volatile.Load"):
b.createVolatileLoad()
case strings.HasPrefix(name, "runtime/volatile.Store"):
@@ -50,24 +48,19 @@ func (b *builder) defineIntrinsicFunction() {
// and will otherwise be lowered to regular libc memcpy/memmove calls.
func (b *builder) createMemoryCopyImpl() {
b.createFunctionStart(true)
params := b.fn.Params[0:3]
b.createMemCopy(
b.fn.Name(),
b.getValue(params[0], getPos(b.fn)),
b.getValue(params[1], getPos(b.fn)),
b.getValue(params[2], getPos(b.fn)),
)
b.CreateRetVoid()
}
func (b *builder) createMemCopy(kind string, dst, src, len llvm.Value) llvm.Value {
fnName := "llvm." + kind + ".p0.p0.i" + strconv.Itoa(b.uintptrType.IntTypeWidth())
fnName := "llvm." + b.fn.Name() + ".p0.p0.i" + strconv.Itoa(b.uintptrType.IntTypeWidth())
llvmFn := b.mod.NamedFunction(fnName)
if llvmFn.IsNil() {
fnType := llvm.FunctionType(b.ctx.VoidType(), []llvm.Type{b.dataPtrType, b.dataPtrType, b.uintptrType, b.ctx.Int1Type()}, false)
llvmFn = llvm.AddFunction(b.mod, fnName, fnType)
}
return b.CreateCall(llvmFn.GlobalValueType(), llvmFn, []llvm.Value{dst, src, len, llvm.ConstInt(b.ctx.Int1Type(), 0, false)}, "")
var params []llvm.Value
for _, param := range b.fn.Params {
params = append(params, b.getValue(param, getPos(b.fn)))
}
params = append(params, llvm.ConstInt(b.ctx.Int1Type(), 0, false))
b.CreateCall(llvmFn.GlobalValueType(), llvmFn, params, "")
b.CreateRetVoid()
}
// createMemoryZeroImpl creates calls to llvm.memset.* to zero a block of
@@ -151,20 +144,6 @@ func (b *builder) createAbiEscapeImpl() {
b.CreateRet(result)
}
// Implement machine.keepAliveNoEscape, which makes sure the compiler keeps the
// pointer parameter alive until this point (for GC).
func (b *builder) createMachineKeepAliveImpl() {
b.createFunctionStart(true)
pointerValue := b.getValue(b.fn.Params[0], getPos(b.fn))
// See createKeepAliveImpl for details.
asmType := llvm.FunctionType(b.ctx.VoidType(), []llvm.Type{b.dataPtrType}, false)
asmFn := llvm.InlineAsm(asmType, "", "r", true, false, 0, false)
b.createCall(asmType, asmFn, []llvm.Value{pointerValue}, "")
b.CreateRetVoid()
}
var mathToLLVMMapping = map[string]string{
"math.Ceil": "llvm.ceil.f64",
"math.Exp": "llvm.exp.f64",
+93 -93
View File
@@ -1,10 +1,10 @@
package compiler
import (
"encoding/binary"
"fmt"
"go/token"
"go/types"
"math/big"
"strings"
"github.com/tinygo-org/tinygo/compileopts"
@@ -231,12 +231,6 @@ func (c *compilerContext) makeGlobalArray(buf []byte, name string, elementType l
//
// For details on what's in this value, see src/runtime/gc_precise.go.
func (c *compilerContext) createObjectLayout(t llvm.Type, pos token.Pos) llvm.Value {
if !typeHasPointers(t) {
// There are no pointers in this type, so we can simplify the layout.
layout := (uint64(1) << 1) | 1
return llvm.ConstIntToPtr(llvm.ConstInt(c.uintptrType, layout, false), c.dataPtrType)
}
// Use the element type for arrays. This works even for nested arrays.
for {
kind := t.TypeKind()
@@ -254,29 +248,54 @@ func (c *compilerContext) createObjectLayout(t llvm.Type, pos token.Pos) llvm.Va
break
}
// Create the pointer bitmap.
// Do a few checks to see whether we need to generate any object layout
// information at all.
objectSizeBytes := c.targetData.TypeAllocSize(t)
pointerAlignment := uint64(c.targetData.PrefTypeAlignment(c.dataPtrType))
bitmapLen := objectSizeBytes / pointerAlignment
bitmapBytes := (bitmapLen + 7) / 8
bitmap := make([]byte, bitmapBytes, max(bitmapBytes, 8))
c.buildPointerBitmap(bitmap, pointerAlignment, pos, t, 0)
// Try to encode the layout inline.
pointerSize := c.targetData.TypeAllocSize(c.dataPtrType)
pointerBits := pointerSize * 8
if bitmapLen < pointerBits {
rawMask := binary.LittleEndian.Uint64(bitmap[0:8])
layout := rawMask*pointerBits + bitmapLen
layout <<= 1
layout |= 1
pointerAlignment := c.targetData.PrefTypeAlignment(c.dataPtrType)
if objectSizeBytes < pointerSize {
// Too small to contain a pointer.
layout := (uint64(1) << 1) | 1
return llvm.ConstIntToPtr(llvm.ConstInt(c.uintptrType, layout, false), c.dataPtrType)
}
bitmap := c.getPointerBitmap(t, pos)
if bitmap.BitLen() == 0 {
// There are no pointers in this type, so we can simplify the layout.
// TODO: this can be done in many other cases, e.g. when allocating an
// array (like [4][]byte, which repeats a slice 4 times).
layout := (uint64(1) << 1) | 1
return llvm.ConstIntToPtr(llvm.ConstInt(c.uintptrType, layout, false), c.dataPtrType)
}
if objectSizeBytes%uint64(pointerAlignment) != 0 {
// This shouldn't happen except for packed structs, which aren't
// currently used.
c.addError(pos, "internal error: unexpected object size for object with pointer field")
return llvm.ConstNull(c.dataPtrType)
}
objectSizeWords := objectSizeBytes / uint64(pointerAlignment)
// Check if the layout fits.
layout &= 1<<pointerBits - 1
if (layout>>1)/pointerBits == rawMask {
// No set bits were shifted off.
return llvm.ConstIntToPtr(llvm.ConstInt(c.uintptrType, layout, false), c.dataPtrType)
}
pointerBits := pointerSize * 8
var sizeFieldBits uint64
switch pointerBits {
case 16:
sizeFieldBits = 4
case 32:
sizeFieldBits = 5
case 64:
sizeFieldBits = 6
default:
panic("unknown pointer size")
}
layoutFieldBits := pointerBits - 1 - sizeFieldBits
// Try to emit the value as an inline integer. This is possible in most
// cases.
if objectSizeWords < layoutFieldBits {
// If it can be stored directly in the pointer value, do so.
// The runtime knows that if the least significant bit of the pointer is
// set, the pointer contains the value itself.
layout := bitmap.Uint64()<<(sizeFieldBits+1) | (objectSizeWords << 1) | 1
return llvm.ConstIntToPtr(llvm.ConstInt(c.uintptrType, layout, false), c.dataPtrType)
}
// Unfortunately, the object layout is too big to fit in a pointer-sized
@@ -284,24 +303,25 @@ func (c *compilerContext) createObjectLayout(t llvm.Type, pos token.Pos) llvm.Va
// Try first whether the global already exists. All objects with a
// particular name have the same type, so this is possible.
globalName := "runtime/gc.layout:" + fmt.Sprintf("%d-%0*x", bitmapLen, (bitmapLen+15)/16, bitmap)
globalName := "runtime/gc.layout:" + fmt.Sprintf("%d-%0*x", objectSizeWords, (objectSizeWords+15)/16, bitmap)
global := c.mod.NamedGlobal(globalName)
if !global.IsNil() {
return global
}
// Create the global initializer.
bitmapByteValues := make([]llvm.Value, bitmapBytes)
i8 := c.ctx.Int8Type()
for i, b := range bitmap {
bitmapByteValues[i] = llvm.ConstInt(i8, uint64(b), false)
bitmapBytes := make([]byte, int(objectSizeWords+7)/8)
bitmap.FillBytes(bitmapBytes)
reverseBytes(bitmapBytes) // big-endian to little-endian
var bitmapByteValues []llvm.Value
for _, b := range bitmapBytes {
bitmapByteValues = append(bitmapByteValues, llvm.ConstInt(c.ctx.Int8Type(), uint64(b), false))
}
initializer := c.ctx.ConstStruct([]llvm.Value{
llvm.ConstInt(c.uintptrType, bitmapLen, false),
llvm.ConstArray(i8, bitmapByteValues),
llvm.ConstInt(c.uintptrType, objectSizeWords, false),
llvm.ConstArray(c.ctx.Int8Type(), bitmapByteValues),
}, false)
// Create the actual global.
global = llvm.AddGlobal(c.mod, initializer.Type(), globalName)
global.SetInitializer(initializer)
global.SetUnnamedAddr(true)
@@ -309,7 +329,6 @@ func (c *compilerContext) createObjectLayout(t llvm.Type, pos token.Pos) llvm.Va
global.SetLinkage(llvm.LinkOnceODRLinkage)
if c.targetData.PrefTypeAlignment(c.uintptrType) < 2 {
// AVR doesn't have alignment by default.
// The lowest bit must be unset to distinguish this from an inline layout.
global.SetAlignment(2)
}
if c.Debug && pos != token.NoPos {
@@ -341,71 +360,52 @@ func (c *compilerContext) createObjectLayout(t llvm.Type, pos token.Pos) llvm.Va
return global
}
// buildPointerBitmap scans the given LLVM type for pointers and sets bits in a
// bitmap at the word offset that contains a pointer. This scan is recursive.
func (c *compilerContext) buildPointerBitmap(
dst []byte,
ptrAlign uint64,
pos token.Pos,
t llvm.Type,
offset uint64,
) {
switch t.TypeKind() {
// getPointerBitmap scans the given LLVM type for pointers and sets bits in a
// bigint at the word offset that contains a pointer. This scan is recursive.
func (c *compilerContext) getPointerBitmap(typ llvm.Type, pos token.Pos) *big.Int {
alignment := c.targetData.PrefTypeAlignment(c.dataPtrType)
switch typ.TypeKind() {
case llvm.IntegerTypeKind, llvm.FloatTypeKind, llvm.DoubleTypeKind:
// These types do not contain pointers.
return big.NewInt(0)
case llvm.PointerTypeKind:
// Set the corresponding position in the bitmap.
dst[offset/8] |= 1 << (offset % 8)
return big.NewInt(1)
case llvm.StructTypeKind:
// Recurse over struct elements.
for i, et := range t.StructElementTypes() {
eo := c.targetData.ElementOffset(t, i)
if eo%uint64(ptrAlign) != 0 {
if typeHasPointers(et) {
// This error will let the compilation fail, but by continuing
// the error can still easily be shown.
c.addError(pos, "internal error: allocated struct contains unaligned pointer")
}
ptrs := big.NewInt(0)
for i, subtyp := range typ.StructElementTypes() {
subptrs := c.getPointerBitmap(subtyp, pos)
if subptrs.BitLen() == 0 {
continue
}
c.buildPointerBitmap(
dst,
ptrAlign,
pos,
et,
offset+(eo/ptrAlign),
)
}
case llvm.ArrayTypeKind:
// Recurse over array elements.
len := t.ArrayLength()
if len <= 0 {
return
}
et := t.ElementType()
elementSize := c.targetData.TypeAllocSize(et)
if elementSize%ptrAlign != 0 {
if typeHasPointers(et) {
// This error will let the compilation fail (but continues so that
// other errors can be shown).
c.addError(pos, "internal error: allocated array contains unaligned pointer")
offset := c.targetData.ElementOffset(typ, i)
if offset%uint64(alignment) != 0 {
// This error will let the compilation fail, but by continuing
// the error can still easily be shown.
c.addError(pos, "internal error: allocated struct contains unaligned pointer")
continue
}
return
subptrs.Lsh(subptrs, uint(offset)/uint(alignment))
ptrs.Or(ptrs, subptrs)
}
elementSize /= ptrAlign
for i := 0; i < len; i++ {
c.buildPointerBitmap(
dst,
ptrAlign,
pos,
et,
offset+uint64(i)*elementSize,
)
return ptrs
case llvm.ArrayTypeKind:
subtyp := typ.ElementType()
subptrs := c.getPointerBitmap(subtyp, pos)
ptrs := big.NewInt(0)
if subptrs.BitLen() == 0 {
return ptrs
}
elementSize := c.targetData.TypeAllocSize(subtyp)
if elementSize%uint64(alignment) != 0 {
// This error will let the compilation fail (but continues so that
// other errors can be shown).
c.addError(pos, "internal error: allocated array contains unaligned pointer")
return ptrs
}
for i := 0; i < typ.ArrayLength(); i++ {
ptrs.Lsh(ptrs, uint(elementSize)/uint(alignment))
ptrs.Or(ptrs, subptrs)
}
return ptrs
default:
// Should not happen.
panic("unknown LLVM type")
-3
View File
@@ -250,9 +250,6 @@ func (b *builder) createMapIteratorNext(rangeVal ssa.Value, llvmRangeVal, it llv
func hashmapIsBinaryKey(keyType types.Type) bool {
switch keyType := keyType.Underlying().(type) {
case *types.Basic:
// TODO: unsafe.Pointer is also a binary key, but to support that we
// need to fix an issue with interp first (see
// https://github.com/tinygo-org/tinygo/pull/4898).
return keyType.Info()&(types.IsBoolean|types.IsInteger) != 0
case *types.Pointer:
return true
+6 -7
View File
@@ -142,11 +142,6 @@ func (c *compilerContext) getFunction(fn *ssa.Function) (llvm.Type, llvm.Value)
nocapture := c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nocapture"), 0)
llvmFn.AddAttributeAtIndex(i+1, nocapture)
}
if paramInfo.flags&paramIsReadonly != 0 && paramInfo.llvmType.TypeKind() == llvm.PointerTypeKind {
// Readonly pointer parameters (like strings) benefit from being marked as readonly.
readonly := c.ctx.CreateEnumAttribute(llvm.AttributeKindID("readonly"), 0)
llvmFn.AddAttributeAtIndex(i+1, readonly)
}
}
// Set a number of function or parameter attributes, depending on the
@@ -159,8 +154,6 @@ func (c *compilerContext) getFunction(fn *ssa.Function) (llvm.Type, llvm.Value)
llvmFn.AddFunctionAttr(c.ctx.CreateEnumAttribute(llvm.AttributeKindID("noreturn"), 0))
case "internal/abi.NoEscape":
llvmFn.AddAttributeAtIndex(1, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nocapture"), 0))
case "machine.keepAliveNoEscape", "machine.unsafeNoEscape":
llvmFn.AddAttributeAtIndex(1, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nocapture"), 0))
case "runtime.alloc":
// Tell the optimizer that runtime.alloc is an allocator, meaning that it
// returns values that are never null and never alias to an existing value.
@@ -184,6 +177,12 @@ func (c *compilerContext) getFunction(fn *ssa.Function) (llvm.Type, llvm.Value)
// be modified.
llvmFn.AddAttributeAtIndex(2, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nocapture"), 0))
llvmFn.AddAttributeAtIndex(2, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("readonly"), 0))
case "runtime.sliceCopy":
// Copying a slice won't capture any of the parameters.
llvmFn.AddAttributeAtIndex(1, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("writeonly"), 0))
llvmFn.AddAttributeAtIndex(1, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nocapture"), 0))
llvmFn.AddAttributeAtIndex(2, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("readonly"), 0))
llvmFn.AddAttributeAtIndex(2, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nocapture"), 0))
case "runtime.stringFromBytes":
llvmFn.AddAttributeAtIndex(1, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nocapture"), 0))
llvmFn.AddAttributeAtIndex(1, c.ctx.CreateEnumAttribute(llvm.AttributeKindID("readonly"), 0))
-8
View File
@@ -74,14 +74,6 @@ func (b *builder) createRawSyscall(call *ssa.CallCommon) (llvm.Value, error) {
return b.CreateCall(fnType, target, args, ""), nil
case b.GOARCH == "arm" && b.GOOS == "linux":
if arch := b.archFamily(); arch != "arm" {
// Some targets pretend to be linux/arm for compatibility but aren't
// actually such a system. Make sure we emit an error instead of
// creating inline assembly that will fail to compile.
// See: https://github.com/tinygo-org/tinygo/issues/4959
return llvm.Value{}, b.makeError(call.Pos(), "system calls are not supported: target emulates a linux/arm system on "+arch)
}
// Implement the EABI system call convention for Linux.
// Source: syscall(2) man page.
args := []llvm.Value{}
-235
View File
@@ -270,241 +270,6 @@ entry:
ret void
}
; Function Attrs: nounwind
define hidden void @main.deferInfiniteLoop(ptr %context) unnamed_addr #1 {
entry:
%deferPtr = alloca ptr, align 4
store ptr null, ptr %deferPtr, align 4
%deferframe.buf = alloca %runtime.deferFrame, align 4
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
br label %for.body
for.body: ; preds = %for.body, %entry
%defer.next = load ptr, ptr %deferPtr, align 4
%defer.alloc.call = call dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #4
store i32 0, ptr %defer.alloc.call, align 4
%defer.alloc.call.repack1 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 4
store ptr %defer.next, ptr %defer.alloc.call.repack1, align 4
%defer.alloc.call.repack3 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 8
store i32 8, ptr %defer.alloc.call.repack3, align 4
store ptr %defer.alloc.call, ptr %deferPtr, align 4
br label %for.body
recover: ; preds = %rundefers.end
ret void
lpad: ; No predecessors!
br label %rundefers.loophead
rundefers.loophead: ; preds = %rundefers.callback0, %lpad
br i1 poison, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
switch i32 poison, label %rundefers.default [
i32 0, label %rundefers.callback0
]
rundefers.callback0: ; preds = %rundefers.loop
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %recover
}
; Function Attrs: nounwind
define hidden void @main.deferLoop(ptr %context) unnamed_addr #1 {
entry:
%deferPtr = alloca ptr, align 4
store ptr null, ptr %deferPtr, align 4
%deferframe.buf = alloca %runtime.deferFrame, align 4
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
br label %for.loop
for.loop: ; preds = %for.body, %entry
%1 = phi i32 [ 0, %entry ], [ %3, %for.body ]
%2 = icmp slt i32 %1, 10
br i1 %2, label %for.body, label %for.done
for.body: ; preds = %for.loop
%defer.next = load ptr, ptr %deferPtr, align 4
%defer.alloc.call = call dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #4
store i32 0, ptr %defer.alloc.call, align 4
%defer.alloc.call.repack13 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 4
store ptr %defer.next, ptr %defer.alloc.call.repack13, align 4
%defer.alloc.call.repack15 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 8
store i32 %1, ptr %defer.alloc.call.repack15, align 4
store ptr %defer.alloc.call, ptr %deferPtr, align 4
%3 = add i32 %1, 1
br label %for.loop
for.done: ; preds = %for.loop
br label %rundefers.block
rundefers.after: ; preds = %rundefers.end
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
rundefers.block: ; preds = %for.done
br label %rundefers.loophead
rundefers.loophead: ; preds = %rundefers.callback0, %rundefers.block
%4 = load ptr, ptr %deferPtr, align 4
%stackIsNil = icmp eq ptr %4, null
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds nuw i8, ptr %4, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %4, align 4
switch i32 %callback, label %rundefers.default [
i32 0, label %rundefers.callback0
]
rundefers.callback0: ; preds = %rundefers.loop
%gep = getelementptr inbounds nuw i8, ptr %4, i32 8
%param = load i32, ptr %gep, align 4
call void @runtime.printlock(ptr undef) #4
call void @runtime.printint32(i32 %param, ptr undef) #4
call void @runtime.printunlock(ptr undef) #4
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %rundefers.after
recover: ; preds = %rundefers.end1
ret void
lpad: ; No predecessors!
br label %rundefers.loophead4
rundefers.loophead4: ; preds = %rundefers.callback010, %lpad
br i1 poison, label %rundefers.end1, label %rundefers.loop3
rundefers.loop3: ; preds = %rundefers.loophead4
switch i32 poison, label %rundefers.default2 [
i32 0, label %rundefers.callback010
]
rundefers.callback010: ; preds = %rundefers.loop3
br label %rundefers.loophead4
rundefers.default2: ; preds = %rundefers.loop3
unreachable
rundefers.end1: ; preds = %rundefers.loophead4
br label %recover
}
; Function Attrs: nounwind
define hidden void @main.deferBetweenLoops(ptr %context) unnamed_addr #1 {
entry:
%defer.alloca = alloca { i32, ptr, i32 }, align 4
%deferPtr = alloca ptr, align 4
store ptr null, ptr %deferPtr, align 4
%deferframe.buf = alloca %runtime.deferFrame, align 4
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
br label %for.loop
for.loop: ; preds = %for.body, %entry
%1 = phi i32 [ 0, %entry ], [ %3, %for.body ]
%2 = icmp slt i32 %1, 10
br i1 %2, label %for.body, label %for.done
for.body: ; preds = %for.loop
%3 = add i32 %1, 1
br label %for.loop
for.done: ; preds = %for.loop
%defer.next = load ptr, ptr %deferPtr, align 4
store i32 0, ptr %defer.alloca, align 4
%defer.alloca.repack16 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 4
store ptr %defer.next, ptr %defer.alloca.repack16, align 4
%defer.alloca.repack18 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 8
store i32 1, ptr %defer.alloca.repack18, align 4
store ptr %defer.alloca, ptr %deferPtr, align 4
br label %for.loop1
for.loop1: ; preds = %for.body2, %for.done
%4 = phi i32 [ 0, %for.done ], [ %6, %for.body2 ]
%5 = icmp slt i32 %4, 10
br i1 %5, label %for.body2, label %for.done3
for.body2: ; preds = %for.loop1
%6 = add i32 %4, 1
br label %for.loop1
for.done3: ; preds = %for.loop1
br label %rundefers.block
rundefers.after: ; preds = %rundefers.end
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
rundefers.block: ; preds = %for.done3
br label %rundefers.loophead
rundefers.loophead: ; preds = %rundefers.callback0, %rundefers.block
%7 = load ptr, ptr %deferPtr, align 4
%stackIsNil = icmp eq ptr %7, null
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds nuw i8, ptr %7, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %7, align 4
switch i32 %callback, label %rundefers.default [
i32 0, label %rundefers.callback0
]
rundefers.callback0: ; preds = %rundefers.loop
%gep = getelementptr inbounds nuw i8, ptr %7, i32 8
%param = load i32, ptr %gep, align 4
call void @runtime.printlock(ptr undef) #4
call void @runtime.printint32(i32 %param, ptr undef) #4
call void @runtime.printunlock(ptr undef) #4
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %rundefers.after
recover: ; preds = %rundefers.end4
ret void
lpad: ; No predecessors!
br label %rundefers.loophead7
rundefers.loophead7: ; preds = %rundefers.callback013, %lpad
br i1 poison, label %rundefers.end4, label %rundefers.loop6
rundefers.loop6: ; preds = %rundefers.loophead7
switch i32 poison, label %rundefers.default5 [
i32 0, label %rundefers.callback013
]
rundefers.callback013: ; preds = %rundefers.loop6
br label %rundefers.loophead7
rundefers.default5: ; preds = %rundefers.loop6
unreachable
rundefers.end4: ; preds = %rundefers.loophead7
br label %recover
}
attributes #0 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" }
attributes #1 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" }
attributes #2 = { "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" }
-20
View File
@@ -18,23 +18,3 @@ func deferMultiple() {
}()
external()
}
func deferInfiniteLoop() {
for {
defer print(8)
}
}
func deferLoop() {
for i := 0; i < 10; i++ {
defer print(i)
}
}
func deferBetweenLoops() {
for i := 0; i < 10; i++ {
}
defer print(1)
for i := 0; i < 10; i++ {
}
}
-8
View File
@@ -24,10 +24,6 @@ var (
x *byte
y [61]uintptr
}
struct5 *struct {
x *byte
y [30]uintptr
}
slice1 []byte
slice2 []*int
@@ -62,10 +58,6 @@ func newStruct() {
x *byte
y [61]uintptr
})
struct5 = new(struct {
x *byte
y [30]uintptr
})
}
func newFuncValue() *func() {
+4 -8
View File
@@ -16,12 +16,11 @@ target triple = "wasm32-unknown-wasi"
@main.struct2 = hidden global ptr null, align 4
@main.struct3 = hidden global ptr null, align 4
@main.struct4 = hidden global ptr null, align 4
@main.struct5 = hidden global ptr null, align 4
@main.slice1 = hidden global { ptr, i32, i32 } zeroinitializer, align 4
@main.slice2 = hidden global { ptr, i32, i32 } zeroinitializer, align 4
@main.slice3 = hidden global { ptr, i32, i32 } zeroinitializer, align 4
@"runtime/gc.layout:62-0100000000000020" = linkonce_odr unnamed_addr constant { i32, [8 x i8] } { i32 62, [8 x i8] c"\01\00\00\00\00\00\00 " }
@"runtime/gc.layout:62-0100000000000000" = linkonce_odr unnamed_addr constant { i32, [8 x i8] } { i32 62, [8 x i8] c"\01\00\00\00\00\00\00\00" }
@"runtime/gc.layout:62-2000000000000001" = linkonce_odr unnamed_addr constant { i32, [8 x i8] } { i32 62, [8 x i8] c"\01\00\00\00\00\00\00 " }
@"runtime/gc.layout:62-0001" = linkonce_odr unnamed_addr constant { i32, [8 x i8] } { i32 62, [8 x i8] c"\01\00\00\00\00\00\00\00" }
@"reflect/types.type:basic:complex128" = linkonce_odr constant { i8, ptr } { i8 80, ptr @"reflect/types.type:pointer:basic:complex128" }, align 4
@"reflect/types.type:pointer:basic:complex128" = linkonce_odr constant { i8, i16, ptr } { i8 -43, i16 0, ptr @"reflect/types.type:basic:complex128" }, align 4
@@ -81,15 +80,12 @@ entry:
%new1 = call align 4 dereferenceable(8) ptr @runtime.alloc(i32 8, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
call void @runtime.trackPointer(ptr nonnull %new1, ptr nonnull %stackalloc, ptr undef) #3
store ptr %new1, ptr @main.struct2, align 4
%new2 = call align 4 dereferenceable(248) ptr @runtime.alloc(i32 248, ptr nonnull @"runtime/gc.layout:62-0100000000000020", ptr undef) #3
%new2 = call align 4 dereferenceable(248) ptr @runtime.alloc(i32 248, ptr nonnull @"runtime/gc.layout:62-2000000000000001", ptr undef) #3
call void @runtime.trackPointer(ptr nonnull %new2, ptr nonnull %stackalloc, ptr undef) #3
store ptr %new2, ptr @main.struct3, align 4
%new3 = call align 4 dereferenceable(248) ptr @runtime.alloc(i32 248, ptr nonnull @"runtime/gc.layout:62-0100000000000000", ptr undef) #3
%new3 = call align 4 dereferenceable(248) ptr @runtime.alloc(i32 248, ptr nonnull @"runtime/gc.layout:62-0001", ptr undef) #3
call void @runtime.trackPointer(ptr nonnull %new3, ptr nonnull %stackalloc, ptr undef) #3
store ptr %new3, ptr @main.struct4, align 4
%new4 = call align 4 dereferenceable(124) ptr @runtime.alloc(i32 124, ptr nonnull inttoptr (i32 127 to ptr), ptr undef) #3
call void @runtime.trackPointer(ptr nonnull %new4, ptr nonnull %stackalloc, ptr undef) #3
store ptr %new4, ptr @main.struct5, align 4
ret void
}
+1 -1
View File
@@ -50,7 +50,7 @@ unsafe.String.throw: ; preds = %entry
declare void @runtime.unsafeSlicePanic(ptr) #1
; Function Attrs: nounwind
define hidden ptr @main.unsafeStringData(ptr readonly %s.data, i32 %s.len, ptr %context) unnamed_addr #2 {
define hidden ptr @main.unsafeStringData(ptr %s.data, i32 %s.len, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
call void @runtime.trackPointer(ptr %s.data, ptr nonnull %stackalloc, ptr undef) #3
+30 -36
View File
@@ -22,9 +22,6 @@ entry:
ret i32 %a
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #3
; Function Attrs: nounwind
define hidden i32 @main.min2(i32 %a, i32 %b, ptr %context) unnamed_addr #2 {
entry:
@@ -56,9 +53,6 @@ entry:
ret i8 %0
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.umin.i8(i8, i8) #3
; Function Attrs: nounwind
define hidden i32 @main.minUnsigned(i32 %a, i32 %b, ptr %context) unnamed_addr #2 {
entry:
@@ -66,31 +60,24 @@ entry:
ret i32 %0
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #3
; Function Attrs: nounwind
define hidden float @main.minFloat32(float %a, float %b, ptr %context) unnamed_addr #2 {
entry:
%0 = call float @llvm.minimum.f32(float %a, float %b)
ret float %0
%0 = fcmp olt float %a, %b
%1 = select i1 %0, float %a, float %b
ret float %1
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.minimum.f32(float, float) #3
; Function Attrs: nounwind
define hidden double @main.minFloat64(double %a, double %b, ptr %context) unnamed_addr #2 {
entry:
%0 = call double @llvm.minimum.f64(double %a, double %b)
ret double %0
%0 = fcmp olt double %a, %b
%1 = select i1 %0, double %a, double %b
ret double %1
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.minimum.f64(double, double) #3
; Function Attrs: nounwind
define hidden %runtime._string @main.minString(ptr readonly %a.data, i32 %a.len, ptr readonly %b.data, i32 %b.len, ptr %context) unnamed_addr #2 {
define hidden %runtime._string @main.minString(ptr %a.data, i32 %a.len, ptr %b.data, i32 %b.len, ptr %context) unnamed_addr #2 {
entry:
%0 = insertvalue %runtime._string zeroinitializer, ptr %a.data, 0
%1 = insertvalue %runtime._string %0, i32 %a.len, 1
@@ -104,7 +91,7 @@ entry:
ret %runtime._string %5
}
declare i1 @runtime.stringLess(ptr readonly, i32, ptr readonly, i32, ptr) #1
declare i1 @runtime.stringLess(ptr, i32, ptr, i32, ptr) #1
; Function Attrs: nounwind
define hidden i32 @main.maxInt(i32 %a, i32 %b, ptr %context) unnamed_addr #2 {
@@ -113,9 +100,6 @@ entry:
ret i32 %0
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3
; Function Attrs: nounwind
define hidden i32 @main.maxUint(i32 %a, i32 %b, ptr %context) unnamed_addr #2 {
entry:
@@ -123,21 +107,16 @@ entry:
ret i32 %0
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umax.i32(i32, i32) #3
; Function Attrs: nounwind
define hidden float @main.maxFloat32(float %a, float %b, ptr %context) unnamed_addr #2 {
entry:
%0 = call float @llvm.maximum.f32(float %a, float %b)
ret float %0
%0 = fcmp ogt float %a, %b
%1 = select i1 %0, float %a, float %b
ret float %1
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.maximum.f32(float, float) #3
; Function Attrs: nounwind
define hidden %runtime._string @main.maxString(ptr readonly %a.data, i32 %a.len, ptr readonly %b.data, i32 %b.len, ptr %context) unnamed_addr #2 {
define hidden %runtime._string @main.maxString(ptr %a.data, i32 %a.len, ptr %b.data, i32 %b.len, ptr %context) unnamed_addr #2 {
entry:
%0 = insertvalue %runtime._string zeroinitializer, ptr %a.data, 0
%1 = insertvalue %runtime._string %0, i32 %a.len, 1
@@ -160,7 +139,7 @@ entry:
}
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1 immarg) #4
declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1 immarg) #3
; Function Attrs: nounwind
define hidden void @main.clearZeroSizedSlice(ptr %s.data, i32 %s.len, i32 %s.cap, ptr %context) unnamed_addr #2 {
@@ -177,9 +156,24 @@ entry:
declare void @runtime.hashmapClear(ptr dereferenceable_or_null(40), ptr) #1
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #4
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.umin.i8(i8, i8) #4
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #4
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #4
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umax.i32(i32, i32) #4
attributes #0 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #1 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #2 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { nounwind }
+28 -35
View File
@@ -17,8 +17,8 @@ entry:
; Function Attrs: nounwind
define hidden void @main.regularFunctionGoroutine(ptr %context) unnamed_addr #1 {
entry:
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"main.regularFunction$gowrapper" to i32), ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.regularFunction$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 %stacksize, ptr undef) #11
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"main.regularFunction$gowrapper" to i32), ptr undef) #9
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.regularFunction$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 %stacksize, ptr undef) #9
ret void
}
@@ -28,7 +28,7 @@ declare void @main.regularFunction(i32, ptr) #2
define linkonce_odr void @"main.regularFunction$gowrapper"(ptr %0) unnamed_addr #3 {
entry:
%unpack.int = ptrtoint ptr %0 to i32
call void @main.regularFunction(i32 %unpack.int, ptr undef) #11
call void @main.regularFunction(i32 %unpack.int, ptr undef) #9
ret void
}
@@ -39,8 +39,8 @@ declare void @"internal/task.start"(i32, ptr, i32, ptr) #2
; Function Attrs: nounwind
define hidden void @main.inlineFunctionGoroutine(ptr %context) unnamed_addr #1 {
entry:
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"main.inlineFunctionGoroutine$1$gowrapper" to i32), ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.inlineFunctionGoroutine$1$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 %stacksize, ptr undef) #11
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"main.inlineFunctionGoroutine$1$gowrapper" to i32), ptr undef) #9
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.inlineFunctionGoroutine$1$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 %stacksize, ptr undef) #9
ret void
}
@@ -61,18 +61,18 @@ entry:
; Function Attrs: nounwind
define hidden void @main.closureFunctionGoroutine(ptr %context) unnamed_addr #1 {
entry:
%n = call align 4 dereferenceable(4) ptr @runtime.alloc(i32 4, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #11
%n = call align 4 dereferenceable(4) ptr @runtime.alloc(i32 4, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #9
store i32 3, ptr %n, align 4
%0 = call align 4 dereferenceable(8) ptr @runtime.alloc(i32 8, ptr null, ptr undef) #11
%0 = call align 4 dereferenceable(8) ptr @runtime.alloc(i32 8, ptr null, ptr undef) #9
store i32 5, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %0, i32 4
store ptr %n, ptr %1, align 4
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"main.closureFunctionGoroutine$1$gowrapper" to i32), ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.closureFunctionGoroutine$1$gowrapper" to i32), ptr nonnull %0, i32 %stacksize, ptr undef) #11
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"main.closureFunctionGoroutine$1$gowrapper" to i32), ptr undef) #9
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.closureFunctionGoroutine$1$gowrapper" to i32), ptr nonnull %0, i32 %stacksize, ptr undef) #9
%2 = load i32, ptr %n, align 4
call void @runtime.printlock(ptr undef) #11
call void @runtime.printint32(i32 %2, ptr undef) #11
call void @runtime.printunlock(ptr undef) #11
call void @runtime.printlock(ptr undef) #9
call void @runtime.printint32(i32 %2, ptr undef) #9
call void @runtime.printunlock(ptr undef) #9
ret void
}
@@ -102,14 +102,14 @@ declare void @runtime.printunlock(ptr) #2
; Function Attrs: nounwind
define hidden void @main.funcGoroutine(ptr %fn.context, ptr %fn.funcptr, ptr %context) unnamed_addr #1 {
entry:
%0 = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #11
%0 = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #9
store i32 5, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %0, i32 4
store ptr %fn.context, ptr %1, align 4
%2 = getelementptr inbounds nuw i8, ptr %0, i32 8
store ptr %fn.funcptr, ptr %2, align 4
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @main.funcGoroutine.gowrapper to i32), ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @main.funcGoroutine.gowrapper to i32), ptr nonnull %0, i32 %stacksize, ptr undef) #11
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @main.funcGoroutine.gowrapper to i32), ptr undef) #9
call void @"internal/task.start"(i32 ptrtoint (ptr @main.funcGoroutine.gowrapper to i32), ptr nonnull %0, i32 %stacksize, ptr undef) #9
ret void
}
@@ -121,7 +121,7 @@ entry:
%3 = load ptr, ptr %2, align 4
%4 = getelementptr inbounds nuw i8, ptr %0, i32 8
%5 = load ptr, ptr %4, align 4
call void %5(i32 %1, ptr %3) #11
call void %5(i32 %1, ptr %3) #9
ret void
}
@@ -134,21 +134,16 @@ entry:
; Function Attrs: nounwind
define hidden void @main.copyBuiltinGoroutine(ptr %dst.data, i32 %dst.len, i32 %dst.cap, ptr %src.data, i32 %src.len, i32 %src.cap, ptr %context) unnamed_addr #1 {
entry:
%copy.n = call i32 @llvm.umin.i32(i32 %dst.len, i32 %src.len)
call void @llvm.memmove.p0.p0.i32(ptr align 1 %dst.data, ptr align 1 %src.data, i32 %copy.n, i1 false)
%copy.n = call i32 @runtime.sliceCopy(ptr %dst.data, ptr %src.data, i32 %dst.len, i32 %src.len, i32 1, ptr undef) #9
ret void
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #7
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1 immarg) #8
declare i32 @runtime.sliceCopy(ptr nocapture writeonly, ptr nocapture readonly, i32, i32, i32, ptr) #2
; Function Attrs: nounwind
define hidden void @main.closeBuiltinGoroutine(ptr dereferenceable_or_null(36) %ch, ptr %context) unnamed_addr #1 {
entry:
call void @runtime.chanClose(ptr %ch, ptr undef) #11
call void @runtime.chanClose(ptr %ch, ptr undef) #9
ret void
}
@@ -157,7 +152,7 @@ declare void @runtime.chanClose(ptr dereferenceable_or_null(36), ptr) #2
; Function Attrs: nounwind
define hidden void @main.startInterfaceMethod(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #1 {
entry:
%0 = call align 4 dereferenceable(16) ptr @runtime.alloc(i32 16, ptr null, ptr undef) #11
%0 = call align 4 dereferenceable(16) ptr @runtime.alloc(i32 16, ptr null, ptr undef) #9
store ptr %itf.value, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %0, i32 4
store ptr @"main$string", ptr %1, align 4
@@ -165,15 +160,15 @@ entry:
store i32 4, ptr %2, align 4
%3 = getelementptr inbounds nuw i8, ptr %0, i32 12
store ptr %itf.typecode, ptr %3, align 4
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), ptr nonnull %0, i32 %stacksize, ptr undef) #11
%stacksize = call i32 @"internal/task.getGoroutineStackSize"(i32 ptrtoint (ptr @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), ptr undef) #9
call void @"internal/task.start"(i32 ptrtoint (ptr @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), ptr nonnull %0, i32 %stacksize, ptr undef) #9
ret void
}
declare void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr, ptr, i32, ptr, ptr) #9
declare void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr, ptr, i32, ptr, ptr) #7
; Function Attrs: nounwind
define linkonce_odr void @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper"(ptr %0) unnamed_addr #10 {
define linkonce_odr void @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper"(ptr %0) unnamed_addr #8 {
entry:
%1 = load ptr, ptr %0, align 4
%2 = getelementptr inbounds nuw i8, ptr %0, i32 4
@@ -182,7 +177,7 @@ entry:
%5 = load i32, ptr %4, align 4
%6 = getelementptr inbounds nuw i8, ptr %0, i32 12
%7 = load ptr, ptr %6, align 4
call void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr %1, ptr %3, i32 %5, ptr %7, ptr undef) #11
call void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr %1, ptr %3, i32 %5, ptr %7, ptr undef) #9
ret void
}
@@ -193,8 +188,6 @@ attributes #3 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb
attributes #4 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" "tinygo-gowrapper"="main.inlineFunctionGoroutine$1" }
attributes #5 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" "tinygo-gowrapper"="main.closureFunctionGoroutine$1" }
attributes #6 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" "tinygo-gowrapper" }
attributes #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #9 = { "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" "tinygo-invoke"="reflect/methods.Print(string)" "tinygo-methods"="reflect/methods.Print(string)" }
attributes #10 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" "tinygo-gowrapper"="interface:{Print:func:{basic:string}{}}.Print$invoke" }
attributes #11 = { nounwind }
attributes #7 = { "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" "tinygo-invoke"="reflect/methods.Print(string)" "tinygo-methods"="reflect/methods.Print(string)" }
attributes #8 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" "tinygo-gowrapper"="interface:{Print:func:{basic:string}{}}.Print$invoke" }
attributes #9 = { nounwind }
+34 -41
View File
@@ -19,7 +19,7 @@ entry:
; Function Attrs: nounwind
define hidden void @main.regularFunctionGoroutine(ptr %context) unnamed_addr #2 {
entry:
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.regularFunction$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 65536, ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.regularFunction$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 65536, ptr undef) #9
ret void
}
@@ -31,8 +31,8 @@ declare void @runtime.deadlock(ptr) #1
define linkonce_odr void @"main.regularFunction$gowrapper"(ptr %0) unnamed_addr #3 {
entry:
%unpack.int = ptrtoint ptr %0 to i32
call void @main.regularFunction(i32 %unpack.int, ptr undef) #11
call void @runtime.deadlock(ptr undef) #11
call void @main.regularFunction(i32 %unpack.int, ptr undef) #9
call void @runtime.deadlock(ptr undef) #9
unreachable
}
@@ -41,7 +41,7 @@ declare void @"internal/task.start"(i32, ptr, i32, ptr) #1
; Function Attrs: nounwind
define hidden void @main.inlineFunctionGoroutine(ptr %context) unnamed_addr #2 {
entry:
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.inlineFunctionGoroutine$1$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 65536, ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.inlineFunctionGoroutine$1$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 65536, ptr undef) #9
ret void
}
@@ -56,7 +56,7 @@ define linkonce_odr void @"main.inlineFunctionGoroutine$1$gowrapper"(ptr %0) unn
entry:
%unpack.int = ptrtoint ptr %0 to i32
call void @"main.inlineFunctionGoroutine$1"(i32 %unpack.int, ptr undef)
call void @runtime.deadlock(ptr undef) #11
call void @runtime.deadlock(ptr undef) #9
unreachable
}
@@ -64,21 +64,21 @@ entry:
define hidden void @main.closureFunctionGoroutine(ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%n = call align 4 dereferenceable(4) ptr @runtime.alloc(i32 4, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #11
call void @runtime.trackPointer(ptr nonnull %n, ptr nonnull %stackalloc, ptr undef) #11
%n = call align 4 dereferenceable(4) ptr @runtime.alloc(i32 4, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %n, ptr nonnull %stackalloc, ptr undef) #9
store i32 3, ptr %n, align 4
call void @runtime.trackPointer(ptr nonnull %n, ptr nonnull %stackalloc, ptr undef) #11
call void @runtime.trackPointer(ptr nonnull @"main.closureFunctionGoroutine$1", ptr nonnull %stackalloc, ptr undef) #11
%0 = call align 4 dereferenceable(8) ptr @runtime.alloc(i32 8, ptr null, ptr undef) #11
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #11
call void @runtime.trackPointer(ptr nonnull %n, ptr nonnull %stackalloc, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull @"main.closureFunctionGoroutine$1", ptr nonnull %stackalloc, ptr undef) #9
%0 = call align 4 dereferenceable(8) ptr @runtime.alloc(i32 8, ptr null, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #9
store i32 5, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %0, i32 4
store ptr %n, ptr %1, align 4
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.closureFunctionGoroutine$1$gowrapper" to i32), ptr nonnull %0, i32 65536, ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.closureFunctionGoroutine$1$gowrapper" to i32), ptr nonnull %0, i32 65536, ptr undef) #9
%2 = load i32, ptr %n, align 4
call void @runtime.printlock(ptr undef) #11
call void @runtime.printint32(i32 %2, ptr undef) #11
call void @runtime.printunlock(ptr undef) #11
call void @runtime.printlock(ptr undef) #9
call void @runtime.printint32(i32 %2, ptr undef) #9
call void @runtime.printunlock(ptr undef) #9
ret void
}
@@ -96,7 +96,7 @@ entry:
%2 = getelementptr inbounds nuw i8, ptr %0, i32 4
%3 = load ptr, ptr %2, align 4
call void @"main.closureFunctionGoroutine$1"(i32 %1, ptr %3)
call void @runtime.deadlock(ptr undef) #11
call void @runtime.deadlock(ptr undef) #9
unreachable
}
@@ -110,14 +110,14 @@ declare void @runtime.printunlock(ptr) #1
define hidden void @main.funcGoroutine(ptr %fn.context, ptr %fn.funcptr, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%0 = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #11
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #11
%0 = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #9
store i32 5, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %0, i32 4
store ptr %fn.context, ptr %1, align 4
%2 = getelementptr inbounds nuw i8, ptr %0, i32 8
store ptr %fn.funcptr, ptr %2, align 4
call void @"internal/task.start"(i32 ptrtoint (ptr @main.funcGoroutine.gowrapper to i32), ptr nonnull %0, i32 65536, ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @main.funcGoroutine.gowrapper to i32), ptr nonnull %0, i32 65536, ptr undef) #9
ret void
}
@@ -129,8 +129,8 @@ entry:
%3 = load ptr, ptr %2, align 4
%4 = getelementptr inbounds nuw i8, ptr %0, i32 8
%5 = load ptr, ptr %4, align 4
call void %5(i32 %1, ptr %3) #11
call void @runtime.deadlock(ptr undef) #11
call void %5(i32 %1, ptr %3) #9
call void @runtime.deadlock(ptr undef) #9
unreachable
}
@@ -143,21 +143,16 @@ entry:
; Function Attrs: nounwind
define hidden void @main.copyBuiltinGoroutine(ptr %dst.data, i32 %dst.len, i32 %dst.cap, ptr %src.data, i32 %src.len, i32 %src.cap, ptr %context) unnamed_addr #2 {
entry:
%copy.n = call i32 @llvm.umin.i32(i32 %dst.len, i32 %src.len)
call void @llvm.memmove.p0.p0.i32(ptr align 1 %dst.data, ptr align 1 %src.data, i32 %copy.n, i1 false)
%copy.n = call i32 @runtime.sliceCopy(ptr %dst.data, ptr %src.data, i32 %dst.len, i32 %src.len, i32 1, ptr undef) #9
ret void
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #7
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1 immarg) #8
declare i32 @runtime.sliceCopy(ptr nocapture writeonly, ptr nocapture readonly, i32, i32, i32, ptr) #1
; Function Attrs: nounwind
define hidden void @main.closeBuiltinGoroutine(ptr dereferenceable_or_null(36) %ch, ptr %context) unnamed_addr #2 {
entry:
call void @runtime.chanClose(ptr %ch, ptr undef) #11
call void @runtime.chanClose(ptr %ch, ptr undef) #9
ret void
}
@@ -167,8 +162,8 @@ declare void @runtime.chanClose(ptr dereferenceable_or_null(36), ptr) #1
define hidden void @main.startInterfaceMethod(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%0 = call align 4 dereferenceable(16) ptr @runtime.alloc(i32 16, ptr null, ptr undef) #11
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #11
%0 = call align 4 dereferenceable(16) ptr @runtime.alloc(i32 16, ptr null, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #9
store ptr %itf.value, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %0, i32 4
store ptr @"main$string", ptr %1, align 4
@@ -176,14 +171,14 @@ entry:
store i32 4, ptr %2, align 4
%3 = getelementptr inbounds nuw i8, ptr %0, i32 12
store ptr %itf.typecode, ptr %3, align 4
call void @"internal/task.start"(i32 ptrtoint (ptr @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), ptr nonnull %0, i32 65536, ptr undef) #11
call void @"internal/task.start"(i32 ptrtoint (ptr @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), ptr nonnull %0, i32 65536, ptr undef) #9
ret void
}
declare void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr, ptr, i32, ptr, ptr) #9
declare void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr, ptr, i32, ptr, ptr) #7
; Function Attrs: nounwind
define linkonce_odr void @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper"(ptr %0) unnamed_addr #10 {
define linkonce_odr void @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper"(ptr %0) unnamed_addr #8 {
entry:
%1 = load ptr, ptr %0, align 4
%2 = getelementptr inbounds nuw i8, ptr %0, i32 4
@@ -192,8 +187,8 @@ entry:
%5 = load i32, ptr %4, align 4
%6 = getelementptr inbounds nuw i8, ptr %0, i32 12
%7 = load ptr, ptr %6, align 4
call void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr %1, ptr %3, i32 %5, ptr %7, ptr undef) #11
call void @runtime.deadlock(ptr undef) #11
call void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr %1, ptr %3, i32 %5, ptr %7, ptr undef) #9
call void @runtime.deadlock(ptr undef) #9
unreachable
}
@@ -204,8 +199,6 @@ attributes #3 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+cal
attributes #4 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-gowrapper"="main.inlineFunctionGoroutine$1" }
attributes #5 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-gowrapper"="main.closureFunctionGoroutine$1" }
attributes #6 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-gowrapper" }
attributes #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #9 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-invoke"="reflect/methods.Print(string)" "tinygo-methods"="reflect/methods.Print(string)" }
attributes #10 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-gowrapper"="interface:{Print:func:{basic:string}{}}.Print$invoke" }
attributes #11 = { nounwind }
attributes #7 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-invoke"="reflect/methods.Print(string)" "tinygo-methods"="reflect/methods.Print(string)" }
attributes #8 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-gowrapper"="interface:{Print:func:{basic:string}{}}.Print$invoke" }
attributes #9 = { nounwind }
+36 -44
View File
@@ -38,7 +38,7 @@ lookup.next: ; preds = %entry
ret i32 %1
lookup.throw: ; preds = %entry
call void @runtime.lookupPanic(ptr undef) #5
call void @runtime.lookupPanic(ptr undef) #3
unreachable
}
@@ -48,55 +48,49 @@ declare void @runtime.lookupPanic(ptr) #1
define hidden { ptr, i32, i32 } @main.sliceAppendValues(ptr %ints.data, i32 %ints.len, i32 %ints.cap, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%varargs = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
call void @runtime.trackPointer(ptr nonnull %varargs, ptr nonnull %stackalloc, ptr undef) #5
%varargs = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
call void @runtime.trackPointer(ptr nonnull %varargs, ptr nonnull %stackalloc, ptr undef) #3
store i32 1, ptr %varargs, align 4
%0 = getelementptr inbounds nuw i8, ptr %varargs, i32 4
store i32 2, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %varargs, i32 8
store i32 3, ptr %1, align 4
%append.new = call { ptr, i32, i32 } @runtime.sliceAppend(ptr %ints.data, ptr nonnull %varargs, i32 %ints.len, i32 %ints.cap, i32 3, i32 4, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
%append.new = call { ptr, i32, i32 } @runtime.sliceAppend(ptr %ints.data, ptr nonnull %varargs, i32 %ints.len, i32 %ints.cap, i32 3, i32 4, ptr undef) #3
%append.newPtr = extractvalue { ptr, i32, i32 } %append.new, 0
%append.newLen = extractvalue { ptr, i32, i32 } %append.new, 1
%append.newCap = extractvalue { ptr, i32, i32 } %append.new, 2
%2 = insertvalue { ptr, i32, i32 } undef, ptr %append.newPtr, 0
%3 = insertvalue { ptr, i32, i32 } %2, i32 %append.newLen, 1
%4 = insertvalue { ptr, i32, i32 } %3, i32 %append.newCap, 2
call void @runtime.trackPointer(ptr %append.newPtr, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %append.newPtr, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %4
}
declare { ptr, i32, i32 } @runtime.sliceAppend(ptr, ptr nocapture readonly, i32, i32, i32, i32, ptr, ptr) #1
declare { ptr, i32, i32 } @runtime.sliceAppend(ptr, ptr nocapture readonly, i32, i32, i32, i32, ptr) #1
; Function Attrs: nounwind
define hidden { ptr, i32, i32 } @main.sliceAppendSlice(ptr %ints.data, i32 %ints.len, i32 %ints.cap, ptr %added.data, i32 %added.len, i32 %added.cap, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%append.new = call { ptr, i32, i32 } @runtime.sliceAppend(ptr %ints.data, ptr %added.data, i32 %ints.len, i32 %ints.cap, i32 %added.len, i32 4, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
%append.new = call { ptr, i32, i32 } @runtime.sliceAppend(ptr %ints.data, ptr %added.data, i32 %ints.len, i32 %ints.cap, i32 %added.len, i32 4, ptr undef) #3
%append.newPtr = extractvalue { ptr, i32, i32 } %append.new, 0
%append.newLen = extractvalue { ptr, i32, i32 } %append.new, 1
%append.newCap = extractvalue { ptr, i32, i32 } %append.new, 2
%0 = insertvalue { ptr, i32, i32 } undef, ptr %append.newPtr, 0
%1 = insertvalue { ptr, i32, i32 } %0, i32 %append.newLen, 1
%2 = insertvalue { ptr, i32, i32 } %1, i32 %append.newCap, 2
call void @runtime.trackPointer(ptr %append.newPtr, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %append.newPtr, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %2
}
; Function Attrs: nounwind
define hidden i32 @main.sliceCopy(ptr %dst.data, i32 %dst.len, i32 %dst.cap, ptr %src.data, i32 %src.len, i32 %src.cap, ptr %context) unnamed_addr #2 {
entry:
%copy.n = call i32 @llvm.umin.i32(i32 %dst.len, i32 %src.len)
%copy.size = shl nuw i32 %copy.n, 2
call void @llvm.memmove.p0.p0.i32(ptr align 4 %dst.data, ptr align 4 %src.data, i32 %copy.size, i1 false)
%copy.n = call i32 @runtime.sliceCopy(ptr %dst.data, ptr %src.data, i32 %dst.len, i32 %src.len, i32 4, ptr undef) #3
ret i32 %copy.n
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #3
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1 immarg) #4
declare i32 @runtime.sliceCopy(ptr nocapture writeonly, ptr nocapture readonly, i32, i32, i32, ptr) #1
; Function Attrs: nounwind
define hidden { ptr, i32, i32 } @main.makeByteSlice(i32 %len, ptr %context) unnamed_addr #2 {
@@ -106,15 +100,15 @@ entry:
br i1 %slice.maxcap, label %slice.throw, label %slice.next
slice.next: ; preds = %entry
%makeslice.buf = call align 1 ptr @runtime.alloc(i32 %len, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
%makeslice.buf = call align 1 ptr @runtime.alloc(i32 %len, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %2
slice.throw: ; preds = %entry
call void @runtime.slicePanic(ptr undef) #5
call void @runtime.slicePanic(ptr undef) #3
unreachable
}
@@ -129,15 +123,15 @@ entry:
slice.next: ; preds = %entry
%makeslice.cap = shl nuw i32 %len, 1
%makeslice.buf = call align 2 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
%makeslice.buf = call align 2 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %2
slice.throw: ; preds = %entry
call void @runtime.slicePanic(ptr undef) #5
call void @runtime.slicePanic(ptr undef) #3
unreachable
}
@@ -150,15 +144,15 @@ entry:
slice.next: ; preds = %entry
%makeslice.cap = mul i32 %len, 3
%makeslice.buf = call align 1 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
%makeslice.buf = call align 1 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %2
slice.throw: ; preds = %entry
call void @runtime.slicePanic(ptr undef) #5
call void @runtime.slicePanic(ptr undef) #3
unreachable
}
@@ -171,15 +165,15 @@ entry:
slice.next: ; preds = %entry
%makeslice.cap = shl nuw i32 %len, 2
%makeslice.buf = call align 4 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
%makeslice.buf = call align 4 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %2
slice.throw: ; preds = %entry
call void @runtime.slicePanic(ptr undef) #5
call void @runtime.slicePanic(ptr undef) #3
unreachable
}
@@ -188,7 +182,7 @@ define hidden ptr @main.Add32(ptr %p, i32 %len, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%0 = getelementptr i8, ptr %p, i32 %len
call void @runtime.trackPointer(ptr %0, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %0, ptr nonnull %stackalloc, ptr undef) #3
ret ptr %0
}
@@ -198,7 +192,7 @@ entry:
%stackalloc = alloca i8, align 1
%0 = trunc i64 %len to i32
%1 = getelementptr i8, ptr %p, i32 %0
call void @runtime.trackPointer(ptr %1, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %1, ptr nonnull %stackalloc, ptr undef) #3
ret ptr %1
}
@@ -212,7 +206,7 @@ slicetoarray.next: ; preds = %entry
ret ptr %s.data
slicetoarray.throw: ; preds = %entry
call void @runtime.sliceToArrayPointerPanic(ptr undef) #5
call void @runtime.sliceToArrayPointerPanic(ptr undef) #3
unreachable
}
@@ -222,8 +216,8 @@ declare void @runtime.sliceToArrayPointerPanic(ptr) #1
define hidden ptr @main.SliceToArrayConst(ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%makeslice = call align 4 dereferenceable(24) ptr @runtime.alloc(i32 24, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #5
call void @runtime.trackPointer(ptr nonnull %makeslice, ptr nonnull %stackalloc, ptr undef) #5
%makeslice = call align 4 dereferenceable(24) ptr @runtime.alloc(i32 24, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
call void @runtime.trackPointer(ptr nonnull %makeslice, ptr nonnull %stackalloc, ptr undef) #3
br i1 false, label %slicetoarray.throw, label %slicetoarray.next
slicetoarray.next: ; preds = %entry
@@ -248,11 +242,11 @@ unsafe.Slice.next: ; preds = %entry
%5 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
%6 = insertvalue { ptr, i32, i32 } %5, i32 %len, 1
%7 = insertvalue { ptr, i32, i32 } %6, i32 %len, 2
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %7
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(ptr undef) #5
call void @runtime.unsafeSlicePanic(ptr undef) #3
unreachable
}
@@ -272,11 +266,11 @@ unsafe.Slice.next: ; preds = %entry
%4 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
%5 = insertvalue { ptr, i32, i32 } %4, i32 %3, 1
%6 = insertvalue { ptr, i32, i32 } %5, i32 %3, 2
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %6
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(ptr undef) #5
call void @runtime.unsafeSlicePanic(ptr undef) #3
unreachable
}
@@ -296,11 +290,11 @@ unsafe.Slice.next: ; preds = %entry
%6 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
%7 = insertvalue { ptr, i32, i32 } %6, i32 %5, 1
%8 = insertvalue { ptr, i32, i32 } %7, i32 %5, 2
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %8
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(ptr undef) #5
call void @runtime.unsafeSlicePanic(ptr undef) #3
unreachable
}
@@ -320,17 +314,15 @@ unsafe.Slice.next: ; preds = %entry
%6 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
%7 = insertvalue { ptr, i32, i32 } %6, i32 %5, 1
%8 = insertvalue { ptr, i32, i32 } %7, i32 %5, 2
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #5
call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
ret { ptr, i32, i32 } %8
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(ptr undef) #5
call void @runtime.unsafeSlicePanic(ptr undef) #3
unreachable
}
attributes #0 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #1 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #2 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { nounwind }
attributes #3 = { nounwind }
+8 -8
View File
@@ -31,13 +31,13 @@ entry:
}
; Function Attrs: nounwind
define hidden i32 @main.stringLen(ptr readonly %s.data, i32 %s.len, ptr %context) unnamed_addr #2 {
define hidden i32 @main.stringLen(ptr %s.data, i32 %s.len, ptr %context) unnamed_addr #2 {
entry:
ret i32 %s.len
}
; Function Attrs: nounwind
define hidden i8 @main.stringIndex(ptr readonly %s.data, i32 %s.len, i32 %index, ptr %context) unnamed_addr #2 {
define hidden i8 @main.stringIndex(ptr %s.data, i32 %s.len, i32 %index, ptr %context) unnamed_addr #2 {
entry:
%.not = icmp ult i32 %index, %s.len
br i1 %.not, label %lookup.next, label %lookup.throw
@@ -55,16 +55,16 @@ lookup.throw: ; preds = %entry
declare void @runtime.lookupPanic(ptr) #1
; Function Attrs: nounwind
define hidden i1 @main.stringCompareEqual(ptr readonly %s1.data, i32 %s1.len, ptr readonly %s2.data, i32 %s2.len, ptr %context) unnamed_addr #2 {
define hidden i1 @main.stringCompareEqual(ptr %s1.data, i32 %s1.len, ptr %s2.data, i32 %s2.len, ptr %context) unnamed_addr #2 {
entry:
%0 = call i1 @runtime.stringEqual(ptr %s1.data, i32 %s1.len, ptr %s2.data, i32 %s2.len, ptr undef) #3
ret i1 %0
}
declare i1 @runtime.stringEqual(ptr readonly, i32, ptr readonly, i32, ptr) #1
declare i1 @runtime.stringEqual(ptr, i32, ptr, i32, ptr) #1
; Function Attrs: nounwind
define hidden i1 @main.stringCompareUnequal(ptr readonly %s1.data, i32 %s1.len, ptr readonly %s2.data, i32 %s2.len, ptr %context) unnamed_addr #2 {
define hidden i1 @main.stringCompareUnequal(ptr %s1.data, i32 %s1.len, ptr %s2.data, i32 %s2.len, ptr %context) unnamed_addr #2 {
entry:
%0 = call i1 @runtime.stringEqual(ptr %s1.data, i32 %s1.len, ptr %s2.data, i32 %s2.len, ptr undef) #3
%1 = xor i1 %0, true
@@ -72,16 +72,16 @@ entry:
}
; Function Attrs: nounwind
define hidden i1 @main.stringCompareLarger(ptr readonly %s1.data, i32 %s1.len, ptr readonly %s2.data, i32 %s2.len, ptr %context) unnamed_addr #2 {
define hidden i1 @main.stringCompareLarger(ptr %s1.data, i32 %s1.len, ptr %s2.data, i32 %s2.len, ptr %context) unnamed_addr #2 {
entry:
%0 = call i1 @runtime.stringLess(ptr %s2.data, i32 %s2.len, ptr %s1.data, i32 %s1.len, ptr undef) #3
ret i1 %0
}
declare i1 @runtime.stringLess(ptr readonly, i32, ptr readonly, i32, ptr) #1
declare i1 @runtime.stringLess(ptr, i32, ptr, i32, ptr) #1
; Function Attrs: nounwind
define hidden i8 @main.stringLookup(ptr readonly %s.data, i32 %s.len, i8 %x, ptr %context) unnamed_addr #2 {
define hidden i8 @main.stringLookup(ptr %s.data, i32 %s.len, i8 %x, ptr %context) unnamed_addr #2 {
entry:
%0 = zext i8 %x to i32
%.not = icmp ugt i32 %s.len, %0
Generated
+4 -4
View File
@@ -20,16 +20,16 @@
},
"nixpkgs": {
"locked": {
"lastModified": 1770136044,
"narHash": "sha256-tlFqNG/uzz2++aAmn4v8J0vAkV3z7XngeIIB3rM3650=",
"lastModified": 1747953325,
"narHash": "sha256-y2ZtlIlNTuVJUZCqzZAhIw5rrKP4DOSklev6c8PyCkQ=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "e576e3c9cf9bad747afcddd9e34f51d18c855b4e",
"rev": "55d1f923c480dadce40f5231feb472e81b0bab48",
"type": "github"
},
"original": {
"id": "nixpkgs",
"ref": "nixos-25.11",
"ref": "nixos-25.05",
"type": "indirect"
}
},
+1 -1
View File
@@ -34,7 +34,7 @@
inputs = {
# Use a recent stable release, but fix the version to make it reproducible.
# This version should be updated from time to time.
nixpkgs.url = "nixpkgs/nixos-25.11";
nixpkgs.url = "nixpkgs/nixos-25.05";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils }:
+1 -1
View File
@@ -10,7 +10,7 @@ import (
// Version of TinyGo.
// Update this value before release of new version of software.
const version = "0.41.0-dev"
const version = "0.40.0-dev"
// Return TinyGo version, either in the form 0.30.0 or as a development version
// (like 0.30.0-dev-abcd012).
+11 -2
View File
@@ -2,6 +2,7 @@ package interp
import (
"os"
"strconv"
"strings"
"testing"
"time"
@@ -10,17 +11,25 @@ import (
)
func TestInterp(t *testing.T) {
llvmVersion, err := strconv.Atoi(strings.Split(llvm.Version, ".")[0])
if err != nil {
// Note: this should never happen and if it does, it will always happen
// for a particular build because llvm.Version is a constant.
panic(err)
}
for _, name := range []string{
"basic",
"phi",
"slice-copy",
"consteval",
"intrinsics",
"copy",
"interface",
"revert",
"alloc",
} {
name := name // make local to this closure
if name == "slice-copy" && llvmVersion < 14 {
continue
}
t.Run(name, func(t *testing.T) {
t.Parallel()
runTest(t, "testdata/"+name)
+51 -22
View File
@@ -312,28 +312,33 @@ func (r *runner) run(fn *function, params []value, parentMem *memoryView, indent
fmt.Fprintln(os.Stderr, indent+"runtime.alloc:", size, "->", ptr)
}
locals[inst.localIndex] = ptr
case strings.HasPrefix(callFn.name, "llvm.umin."):
locals[inst.localIndex] = makeLiteralInt(min(operands[1].Uint(r), operands[2].Uint(r)), inst.llvmInst.Type().IntTypeWidth())
case strings.HasPrefix(callFn.name, "llvm.smin."):
locals[inst.localIndex] = makeLiteralInt(uint64(min(operands[1].Int(r), operands[2].Int(r))), inst.llvmInst.Type().IntTypeWidth())
case strings.HasPrefix(callFn.name, "llvm.umax."):
locals[inst.localIndex] = makeLiteralInt(max(operands[1].Uint(r), operands[2].Uint(r)), inst.llvmInst.Type().IntTypeWidth())
case strings.HasPrefix(callFn.name, "llvm.smax."):
locals[inst.localIndex] = makeLiteralInt(uint64(max(operands[1].Int(r), operands[2].Int(r))), inst.llvmInst.Type().IntTypeWidth())
case strings.HasPrefix(callFn.name, "llvm.memcpy.p0") || strings.HasPrefix(callFn.name, "llvm.memmove.p0"):
// Copy a block of memory from one pointer to another.
if operands[4].Uint(r) != 0 {
// This is a volatile copy/move.
err := r.runAtRuntime(fn, inst, locals, &mem, indent)
if err != nil {
return nil, mem, err
}
continue
case callFn.name == "runtime.sliceCopy":
// sliceCopy implements the built-in copy function for slices.
// It is implemented here so that it can be used even if the
// runtime implementation is not available. Doing it this way
// may also be faster.
// Code:
// func sliceCopy(dst, src unsafe.Pointer, dstLen, srcLen uintptr, elemSize uintptr) int {
// n := srcLen
// if n > dstLen {
// n = dstLen
// }
// memmove(dst, src, n*elemSize)
// return int(n)
// }
dstLen := operands[3].Uint(r)
srcLen := operands[4].Uint(r)
elemSize := operands[5].Uint(r)
n := srcLen
if n > dstLen {
n = dstLen
}
nBytes := operands[3].Uint(r)
if nBytes != 0 {
if r.debug {
fmt.Fprintln(os.Stderr, indent+"copy:", operands[1], operands[2], n)
}
if n != 0 {
// Only try to copy bytes when there are any bytes to copy.
// This is not just an optimization. If one of the pointers
// This is not just an optimization. If one of the slices
// (or both) are nil, the asPointer method call will fail
// even though copying a nil slice is allowed.
dst, err := operands[1].asPointer(r)
@@ -358,10 +363,11 @@ func (r *runner) run(fn *function, params []value, parentMem *memoryView, indent
}
continue
}
nBytes := uint32(n * elemSize)
srcObj := mem.get(src.index())
dstObj := mem.getWritable(dst.index())
if srcObj.buffer == nil || dstObj.buffer == nil {
// If the buffer is nil, it means the memory is external.
// If the buffer is nil, it means the slice is external.
// This can happen for example when copying data out of
// a //go:embed slice, which is not available at interp
// time.
@@ -374,10 +380,33 @@ func (r *runner) run(fn *function, params []value, parentMem *memoryView, indent
}
dstBuf := dstObj.buffer.asRawValue(r)
srcBuf := srcObj.buffer.asRawValue(r)
copy(dstBuf.buf[dst.offset():][:nBytes], srcBuf.buf[src.offset():][:nBytes])
copy(dstBuf.buf[dst.offset():dst.offset()+nBytes], srcBuf.buf[src.offset():])
dstObj.buffer = dstBuf
mem.put(dst.index(), dstObj)
}
locals[inst.localIndex] = makeLiteralInt(n, inst.llvmInst.Type().IntTypeWidth())
case strings.HasPrefix(callFn.name, "llvm.memcpy.p0") || strings.HasPrefix(callFn.name, "llvm.memmove.p0"):
// Copy a block of memory from one pointer to another.
dst, err := operands[1].asPointer(r)
if err != nil {
return nil, mem, r.errorAt(inst, err)
}
src, err := operands[2].asPointer(r)
if err != nil {
return nil, mem, r.errorAt(inst, err)
}
nBytes := uint32(operands[3].Uint(r))
dstObj := mem.getWritable(dst.index())
dstBuf := dstObj.buffer.asRawValue(r)
if mem.get(src.index()).buffer == nil {
// Looks like the source buffer is not defined.
// This can happen with //extern or //go:embed.
return nil, mem, r.errorAt(inst, errUnsupportedRuntimeInst)
}
srcBuf := mem.get(src.index()).buffer.asRawValue(r)
copy(dstBuf.buf[dst.offset():dst.offset()+nBytes], srcBuf.buf[src.offset():])
dstObj.buffer = dstBuf
mem.put(dst.index(), dstObj)
case callFn.name == "runtime.typeAssert":
// This function must be implemented manually as it is normally
// implemented by the interface lowering pass.
-68
View File
@@ -1,68 +0,0 @@
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux"
@string = internal unnamed_addr constant [3 x i8] c"foo"
@moveDst = global [3 x i8] zeroinitializer
@copyDst = global [3 x i8] zeroinitializer
@externalSrc = external global [2 x i8]
@moveExternalDst = global [2 x i8] zeroinitializer
@moveEscapedSrc = global [4 x i8] c"abcd"
@moveEscapedDst = global [4 x i8] zeroinitializer
@volatileSrc = global [2 x i8] c"xy"
@volatileDst = global [2 x i8] zeroinitializer
declare void @use(ptr)
define void @runtime.initAll() {
call void @main.init()
ret void
}
define internal void @main.init() {
call void @testMove()
call void @testCopy()
call void @testMoveExternal()
call void @testMoveEscaped()
call void @testVolatileCopy()
ret void
}
; Test a simple memmove between globals.
define internal void @testMove() {
call void @llvm.memmove.p0.p0.i64(ptr @moveDst, ptr @string, i64 3, i1 false)
ret void
}
; Test a simple memcpy between globals.
define internal void @testCopy() {
call void @llvm.memcpy.p0.p0.i64(ptr @copyDst, ptr @string, i64 3, i1 false)
ret void
}
; Test a memmove from an external global.
; This should be run at runtime.
define internal void @testMoveExternal() {
call void @llvm.memmove.p0.p0.i64(ptr @moveExternalDst, ptr @externalSrc, i64 2, i1 false)
ret void
}
; Test a memmove from an escaped (and potentially modified) source buffer.
define internal void @testMoveEscaped() {
call void @use(ptr @moveEscapedSrc)
call void @llvm.memmove.p0.p0.i64(ptr @moveEscapedDst, ptr @moveEscapedSrc, i64 4, i1 false)
ret void
}
; Test a volatile memcpy.
; This should always be run at runtime.
define internal void @testVolatileCopy() {
call void @llvm.memcpy.p0.p0.i64(ptr @volatileDst, ptr @volatileSrc, i64 2, i1 true)
ret void
}
declare void @llvm.memmove.p0.p0.i64(ptr, ptr, i64, i1)
declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)
-27
View File
@@ -1,27 +0,0 @@
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux"
@moveDst = local_unnamed_addr global [3 x i8] c"foo"
@copyDst = local_unnamed_addr global [3 x i8] c"foo"
@externalSrc = external local_unnamed_addr global [2 x i8]
@moveExternalDst = local_unnamed_addr global [2 x i8] zeroinitializer
@moveEscapedSrc = global [4 x i8] c"abcd"
@moveEscapedDst = local_unnamed_addr global [4 x i8] zeroinitializer
@volatileSrc = global [2 x i8] c"xy"
@volatileDst = global [2 x i8] zeroinitializer
declare void @use(ptr) local_unnamed_addr
define void @runtime.initAll() local_unnamed_addr {
call void @llvm.memmove.p0.p0.i64(ptr @moveExternalDst, ptr @externalSrc, i64 2, i1 false)
call void @use(ptr @moveEscapedSrc)
call void @llvm.memmove.p0.p0.i64(ptr @moveEscapedDst, ptr @moveEscapedSrc, i64 4, i1 false)
call void @llvm.memcpy.p0.p0.i64(ptr @volatileDst, ptr @volatileSrc, i64 2, i1 true)
ret void
}
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #0
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0
attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
-52
View File
@@ -1,52 +0,0 @@
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux"
@uminResult = global i32 0
@sminResult = global i32 0
@umaxResult = global i32 0
@smaxResult = global i32 0
define void @runtime.initAll() {
call void @main.init()
ret void
}
define internal void @main.init() {
call void @testUMin()
call void @testSMin()
call void @testUMax()
call void @testSMax()
ret void
}
define internal void @testUMin() {
%umin = call i32 @llvm.umin.i32(i32 12, i32 -1)
store i32 %umin, ptr @uminResult
ret void
}
declare i32 @llvm.umin.i32(i32, i32)
define internal void @testSMin() {
%smin = call i32 @llvm.smin.i32(i32 12, i32 -1)
store i32 %smin, ptr @sminResult
ret void
}
declare i32 @llvm.smin.i32(i32, i32)
define internal void @testUMax() {
%umax = call i32 @llvm.umax.i32(i32 12, i32 -1)
store i32 %umax, ptr @umaxResult
ret void
}
declare i32 @llvm.umax.i32(i32, i32)
define internal void @testSMax() {
%smax = call i32 @llvm.smax.i32(i32 12, i32 -1)
store i32 %smax, ptr @smaxResult
ret void
}
declare i32 @llvm.smax.i32(i32, i32)
-11
View File
@@ -1,11 +0,0 @@
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux"
@uminResult = local_unnamed_addr global i32 12
@sminResult = local_unnamed_addr global i32 -1
@umaxResult = local_unnamed_addr global i32 -1
@smaxResult = local_unnamed_addr global i32 12
define void @runtime.initAll() local_unnamed_addr {
ret void
}
+124
View File
@@ -0,0 +1,124 @@
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux"
@main.uint8SliceSrc.buf = internal global [2 x i8] c"\03d"
@main.uint8SliceSrc = internal unnamed_addr global { ptr, i64, i64 } { ptr @main.uint8SliceSrc.buf, i64 2, i64 2 }
@main.uint8SliceDst = internal unnamed_addr global { ptr, i64, i64 } zeroinitializer
@main.int16SliceSrc.buf = internal global [3 x i16] [i16 5, i16 123, i16 1024]
@main.int16SliceSrc = internal unnamed_addr global { ptr, i64, i64 } { ptr @main.int16SliceSrc.buf, i64 3, i64 3 }
@main.int16SliceDst = internal unnamed_addr global { ptr, i64, i64 } zeroinitializer
@main.sliceSrcUntaint.buf = internal global [2 x i8] c"ab"
@main.sliceDstUntaint.buf = internal global [2 x i8] zeroinitializer
@main.sliceSrcTaint.buf = internal global [2 x i8] c"cd"
@main.sliceDstTaint.buf = internal global [2 x i8] zeroinitializer
@main.sliceSrcExternal1.buf = external global [2 x i8]
@main.sliceDstExternal1.buf = internal global [2 x i8] zeroinitializer
@main.sliceSrcExternal2.buf = internal global [2 x i8] zeroinitializer
@main.sliceDstExternal2.buf = external global [2 x i8]
declare i64 @runtime.sliceCopy(ptr %dst, ptr %src, i64 %dstLen, i64 %srcLen, i64 %elemSize) unnamed_addr
declare ptr @runtime.alloc(i64, ptr) unnamed_addr
declare void @runtime.printuint8(i8)
declare void @runtime.printint16(i16)
declare void @use(ptr)
define void @runtime.initAll() unnamed_addr {
entry:
call void @main.init()
ret void
}
define void @main() unnamed_addr {
entry:
; print(uintSliceSrc[0])
%uint8SliceSrc.buf = load ptr, ptr @main.uint8SliceSrc
%uint8SliceSrc.val = load i8, ptr %uint8SliceSrc.buf
call void @runtime.printuint8(i8 %uint8SliceSrc.val)
; print(uintSliceDst[0])
%uint8SliceDst.buf = load ptr, ptr @main.uint8SliceDst
%uint8SliceDst.val = load i8, ptr %uint8SliceDst.buf
call void @runtime.printuint8(i8 %uint8SliceDst.val)
; print(int16SliceSrc[0])
%int16SliceSrc.buf = load ptr, ptr @main.int16SliceSrc
%int16SliceSrc.val = load i16, ptr %int16SliceSrc.buf
call void @runtime.printint16(i16 %int16SliceSrc.val)
; print(int16SliceDst[0])
%int16SliceDst.buf = load ptr, ptr @main.int16SliceDst
%int16SliceDst.val = load i16, ptr %int16SliceDst.buf
call void @runtime.printint16(i16 %int16SliceDst.val)
; print(sliceDstUntaint[0])
%sliceDstUntaint.val = load i8, ptr getelementptr inbounds (i8, ptr @main.sliceDstUntaint.buf, i32 0)
call void @runtime.printuint8(i8 %sliceDstUntaint.val)
; print(sliceDstTaint[0])
%sliceDstTaint.val = load i8, ptr getelementptr inbounds (i8, ptr @main.sliceDstTaint.buf, i32 0)
call void @runtime.printuint8(i8 %sliceDstTaint.val)
; print(sliceDstExternal1[0])
%sliceDstExternal1.val = load i8, ptr getelementptr inbounds (i8, ptr @main.sliceDstExternal1.buf, i32 0)
call void @runtime.printuint8(i8 %sliceDstExternal1.val)
; print(sliceDstExternal2[0])
%sliceDstExternal2.val = load i8, ptr getelementptr inbounds (i8, ptr @main.sliceDstExternal2.buf, i32 0)
call void @runtime.printuint8(i8 %sliceDstExternal2.val)
ret void
}
define internal void @main.init() unnamed_addr {
entry:
; equivalent of:
; uint8SliceDst = make([]uint8, len(uint8SliceSrc))
%uint8SliceSrc = load { ptr, i64, i64 }, ptr @main.uint8SliceSrc
%uint8SliceSrc.len = extractvalue { ptr, i64, i64 } %uint8SliceSrc, 1
%uint8SliceDst.buf = call ptr @runtime.alloc(i64 %uint8SliceSrc.len, ptr null)
%0 = insertvalue { ptr, i64, i64 } undef, ptr %uint8SliceDst.buf, 0
%1 = insertvalue { ptr, i64, i64 } %0, i64 %uint8SliceSrc.len, 1
%2 = insertvalue { ptr, i64, i64 } %1, i64 %uint8SliceSrc.len, 2
store { ptr, i64, i64 } %2, ptr @main.uint8SliceDst
; equivalent of:
; copy(uint8SliceDst, uint8SliceSrc)
%uint8SliceSrc.buf = extractvalue { ptr, i64, i64 } %uint8SliceSrc, 0
%copy.n = call i64 @runtime.sliceCopy(ptr %uint8SliceDst.buf, ptr %uint8SliceSrc.buf, i64 %uint8SliceSrc.len, i64 %uint8SliceSrc.len, i64 1)
; equivalent of:
; int16SliceDst = make([]int16, len(int16SliceSrc))
%int16SliceSrc = load { ptr, i64, i64 }, ptr @main.int16SliceSrc
%int16SliceSrc.len = extractvalue { ptr, i64, i64 } %int16SliceSrc, 1
%int16SliceSrc.len.bytes = mul i64 %int16SliceSrc.len, 2
%int16SliceDst.buf = call ptr @runtime.alloc(i64 %int16SliceSrc.len.bytes, ptr null)
%3 = insertvalue { ptr, i64, i64 } undef, ptr %int16SliceDst.buf, 0
%4 = insertvalue { ptr, i64, i64 } %3, i64 %int16SliceSrc.len, 1
%5 = insertvalue { ptr, i64, i64 } %4, i64 %int16SliceSrc.len, 2
store { ptr, i64, i64 } %5, ptr @main.int16SliceDst
; equivalent of:
; copy(int16SliceDst, int16SliceSrc)
%int16SliceSrc.buf = extractvalue { ptr, i64, i64 } %int16SliceSrc, 0
%copy.n2 = call i64 @runtime.sliceCopy(ptr %int16SliceDst.buf, ptr %int16SliceSrc.buf, i64 %int16SliceSrc.len, i64 %int16SliceSrc.len, i64 2)
; Copy slice that has a known value.
%copy.n3 = call i64 @runtime.sliceCopy(ptr @main.sliceDstUntaint.buf, ptr @main.sliceSrcUntaint.buf, i64 2, i64 2, i64 1)
; Copy slice that might have been modified by the external @use call.
; This is a fix for https://github.com/tinygo-org/tinygo/issues/3890.
call void @use(ptr @main.sliceSrcTaint.buf)
%copy.n4 = call i64 @runtime.sliceCopy(ptr @main.sliceDstTaint.buf, ptr @main.sliceSrcTaint.buf, i64 2, i64 2, i64 1)
; Test that copying from or into external buffers works correctly.
; These copy operations must be done at runtime.
; https://github.com/tinygo-org/tinygo/issues/4895
%copy.n5 = call i64 @runtime.sliceCopy(ptr @main.sliceDstExternal1.buf, ptr @main.sliceSrcExternal1.buf, i64 2, i64 2, i64 1)
%copy.n6 = call i64 @runtime.sliceCopy(ptr @main.sliceDstExternal2.buf, ptr @main.sliceSrcExternal2.buf, i64 2, i64 2, i64 1)
ret void
}
+42
View File
@@ -0,0 +1,42 @@
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux"
@main.sliceSrcTaint.buf = internal global [2 x i8] c"cd"
@main.sliceDstTaint.buf = internal global [2 x i8] zeroinitializer
@main.sliceSrcExternal1.buf = external global [2 x i8]
@main.sliceDstExternal1.buf = internal global [2 x i8] zeroinitializer
@main.sliceSrcExternal2.buf = internal global [2 x i8] zeroinitializer
@main.sliceDstExternal2.buf = external global [2 x i8]
declare i64 @runtime.sliceCopy(ptr, ptr, i64, i64, i64) unnamed_addr
declare void @runtime.printuint8(i8) local_unnamed_addr
declare void @runtime.printint16(i16) local_unnamed_addr
declare void @use(ptr) local_unnamed_addr
define void @runtime.initAll() unnamed_addr {
entry:
call void @use(ptr @main.sliceSrcTaint.buf)
%copy.n4 = call i64 @runtime.sliceCopy(ptr @main.sliceDstTaint.buf, ptr @main.sliceSrcTaint.buf, i64 2, i64 2, i64 1)
%copy.n5 = call i64 @runtime.sliceCopy(ptr @main.sliceDstExternal1.buf, ptr @main.sliceSrcExternal1.buf, i64 2, i64 2, i64 1)
%copy.n6 = call i64 @runtime.sliceCopy(ptr @main.sliceDstExternal2.buf, ptr @main.sliceSrcExternal2.buf, i64 2, i64 2, i64 1)
ret void
}
define void @main() unnamed_addr {
entry:
call void @runtime.printuint8(i8 3)
call void @runtime.printuint8(i8 3)
call void @runtime.printint16(i16 5)
call void @runtime.printint16(i16 5)
call void @runtime.printuint8(i8 97)
%sliceDstTaint.val = load i8, ptr @main.sliceDstTaint.buf, align 1
call void @runtime.printuint8(i8 %sliceDstTaint.val)
%sliceDstExternal1.val = load i8, ptr @main.sliceDstExternal1.buf, align 1
call void @runtime.printuint8(i8 %sliceDstExternal1.val)
%sliceDstExternal2.val = load i8, ptr @main.sliceDstExternal2.buf, align 1
call void @runtime.printuint8(i8 %sliceDstExternal2.val)
ret void
}
-12
View File
@@ -1635,7 +1635,6 @@ func main() {
cpuprofile := flag.String("cpuprofile", "", "cpuprofile output")
monitor := flag.Bool("monitor", false, "enable serial monitor")
baudrate := flag.Int("baudrate", 115200, "baudrate of serial monitor")
gocompatibility := flag.Bool("go-compatibility", true, "enable to check for Go versions compatibility, you can also configure this by setting the TINYGO_GOCOMPATIBILITY environment variable")
// Internal flags, that are only intended for TinyGo development.
printIR := flag.Bool("internal-printir", false, "print LLVM IR")
@@ -1713,16 +1712,6 @@ func main() {
ocdCommands = strings.Split(*ocdCommandsString, ",")
}
val, ok := os.LookupEnv("TINYGO_GOCOMPATIBILITY")
if ok {
b, err := strconv.ParseBool(val)
if err != nil {
fmt.Fprintf(os.Stderr, "could not parse TINYGO_GOCOMPATIBILITY value %q: %v\n", val, err)
os.Exit(1)
}
*gocompatibility = b
}
options := &compileopts.Options{
GOOS: goenv.Get("GOOS"),
GOARCH: goenv.Get("GOARCH"),
@@ -1759,7 +1748,6 @@ func main() {
Timeout: *timeout,
WITPackage: witPackage,
WITWorld: witWorld,
GoCompatibility: *gocompatibility,
}
if *printCommands {
options.PrintCommands = printCommand
-1
View File
@@ -222,7 +222,6 @@ func TestBuild(t *testing.T) {
// to be sure.
t.Parallel()
options := optionsFromOSARCH("linux/mipsle/softfloat", sema)
emuCheck(t, options)
runTest("cgo/", options, t, nil, nil)
})
} else if runtime.GOOS == "windows" {
+3 -3
View File
@@ -48,10 +48,10 @@ func Asm(asm string)
// recognizes template values in the form {name}, like so:
//
// arm.AsmFull(
// "str {value}, [{result}]",
// "str {value}, {result}",
// map[string]interface{}{
// "value": 1,
// "result": uintptr(unsafe.Pointer(&dest)),
// "value": 1
// "result": &dest,
// })
//
// You can use {} in the asm string (which expands to a register) to set the
+23
View File
@@ -1,6 +1,29 @@
.syntax unified
.cfi_sections .debug_frame
.section .text.HardFault_Handler
.global HardFault_Handler
.type HardFault_Handler, %function
HardFault_Handler:
.cfi_startproc
// Put the old stack pointer in the first argument, for easy debugging. This
// is especially useful on Cortex-M0, which supports far fewer debug
// facilities.
mov r0, sp
// Load the default stack pointer from address 0 so that we can call normal
// functions again that expect a working stack. However, it will corrupt the
// old stack so the function below must not attempt to recover from this
// fault.
movs r3, #0
ldr r3, [r3]
mov sp, r3
// Continue handling this error in Go.
bl handleHardFault
.cfi_endproc
.size HardFault_Handler, .-HardFault_Handler
// This is a convenience function for semihosting support.
// At some point, this should be replaced by inline assembly.
.section .text.SemihostingCall
+3 -3
View File
@@ -10,10 +10,10 @@ func Asm(asm string)
// recognizes template values in the form {name}, like so:
//
// arm.AsmFull(
// "str {value}, [{result}]",
// "str {value}, {result}",
// map[string]interface{}{
// "value": 1,
// "result": uintptr(unsafe.Pointer(&dest)),
// "value": 1
// "result": &dest,
// })
//
// You can use {} in the asm string (which expands to a register) to set the
+3 -3
View File
@@ -10,10 +10,10 @@ func Asm(asm string)
// recognizes template values in the form {name}, like so:
//
// arm.AsmFull(
// "str {value}, [{result}]",
// "str {value}, {result}",
// map[string]interface{}{
// "value": 1,
// "result": uintptr(unsafe.Pointer(&dest)),
// "value": 1
// "result": &dest,
// })
//
// You can use {} in the asm string (which expands to a register) to set the
+3 -3
View File
@@ -10,10 +10,10 @@ func Asm(asm string)
// recognizes template values in the form {name}, like so:
//
// arm.AsmFull(
// "st {value}, [{result}]",
// "st {value}, {result}",
// map[string]interface{}{
// "value": 1,
// "result": uintptr(unsafe.Pointer(&dest)),
// "value": 1
// "result": &dest,
// })
//
// You can use {} in the asm string (which expands to a register) to set the
-12
View File
@@ -1,12 +0,0 @@
//go:build digispark
package main
import "machine"
var (
// Use Timer1 for PWM (recommended for ATtiny85)
pwm = machine.Timer1
pinA = machine.P1 // PB1, Timer1 channel A (LED pin)
pinB = machine.P4 // PB4, Timer1 channel B
)
+4 -6
View File
@@ -13,14 +13,12 @@ const (
// 64-bit int => bits = 6
sizeBits = 4 + unsafe.Sizeof(uintptr(0))/4
ptrAlign = unsafe.Alignof(uintptr(0))
sizeShift = sizeBits + 1
NoPtrs = Layout((0 << sizeShift) | (1 << 1) | 1)
Pointer = Layout((1 << sizeShift) | ((unsafe.Sizeof(unsafe.Pointer(nil)) / ptrAlign) << 1) | 1)
String = Layout((1 << sizeShift) | ((unsafe.Sizeof("") / ptrAlign) << 1) | 1)
Slice = Layout((1 << sizeShift) | ((unsafe.Sizeof([]byte{}) / ptrAlign) << 1) | 1)
NoPtrs = Layout(uintptr(0b0<<sizeShift) | uintptr(0b1<<1) | uintptr(1))
Pointer = Layout(uintptr(0b1<<sizeShift) | uintptr(0b1<<1) | uintptr(1))
String = Layout(uintptr(0b01<<sizeShift) | uintptr(0b10<<1) | uintptr(1))
Slice = Layout(uintptr(0b001<<sizeShift) | uintptr(0b11<<1) | uintptr(1))
)
func (l Layout) AsPtr() unsafe.Pointer { return unsafe.Pointer(l) }
+9 -75
View File
@@ -86,64 +86,6 @@ func (v Value) Interface() interface{} {
return valueInterfaceUnsafe(v)
}
func TypeAssert[T any](v Value) (T, bool) {
if v.typecode == nil {
panic("reflect.TypeAssert: zero Value")
}
if !v.isExported() {
// Do not allow access to unexported values via TypeAssert,
// because they might be pointers that should not be
// writable or methods or function that should not be callable.
panic("reflect.TypeAssert: cannot return value obtained from unexported field or method")
}
typ := TypeFor[T]()
// If v is an interface, return the element inside the interface.
//
// T is a concrete type and v is an interface. For example:
//
// var v any = int(1)
// val := ValueOf(&v).Elem()
// TypeAssert[int](val) == val.Interface().(int)
//
// T is a interface and v is a non-nil interface value. For example:
//
// var v any = &someError{}
// val := ValueOf(&v).Elem()
// TypeAssert[error](val) == val.Interface().(error)
//
// T is a interface and v is a nil interface value. For example:
//
// var v error = nil
// val := ValueOf(&v).Elem()
// TypeAssert[error](val) == val.Interface().(error)
if v.Kind() == Interface {
val, ok := valueInterfaceUnsafe(v).(T)
return val, ok
}
// If T is an interface and v is a concrete type. For example:
//
// TypeAssert[any](ValueOf(1)) == ValueOf(1).Interface().(any)
// TypeAssert[error](ValueOf(&someError{})) == ValueOf(&someError{}).Interface().(error)
if typ.Kind() == Interface {
val, ok := valueInterfaceUnsafe(v).(T)
return val, ok
}
// Both v and T must be concrete types.
// The only way for an type-assertion to match is if the types are equal.
if typ != v.typecode {
var zero T
return zero, false
}
if !v.isIndirect() {
return *(*T)(unsafe.Pointer(&v.value)), true
}
return *(*T)(v.value), true
}
// valueInterfaceUnsafe is used by the runtime to hash map keys. It should not
// be subject to the isExported check.
func valueInterfaceUnsafe(v Value) interface{} {
@@ -1796,9 +1738,6 @@ func (e *ValueError) Error() string {
//go:linkname memcpy runtime.memcpy
func memcpy(dst, src unsafe.Pointer, size uintptr)
//go:linkname memmove runtime.memmove
func memmove(dst, src unsafe.Pointer, size uintptr)
//go:linkname memzero runtime.memzero
func memzero(ptr unsafe.Pointer, size uintptr)
@@ -1806,7 +1745,10 @@ func memzero(ptr unsafe.Pointer, size uintptr)
func alloc(size uintptr, layout unsafe.Pointer) unsafe.Pointer
//go:linkname sliceAppend runtime.sliceAppend
func sliceAppend(srcBuf, elemsBuf unsafe.Pointer, srcLen, srcCap, elemsLen uintptr, elemSize uintptr, layout unsafe.Pointer) (unsafe.Pointer, uintptr, uintptr)
func sliceAppend(srcBuf, elemsBuf unsafe.Pointer, srcLen, srcCap, elemsLen uintptr, elemSize uintptr) (unsafe.Pointer, uintptr, uintptr)
//go:linkname sliceCopy runtime.sliceCopy
func sliceCopy(dst, src unsafe.Pointer, dstLen, srcLen uintptr, elemSize uintptr) int
// Copy copies the contents of src into dst until either
// dst has been filled or src has been exhausted.
@@ -1837,10 +1779,7 @@ func Copy(dst, src Value) int {
dst.checkRO()
}
minLen := min(dstlen, srclen)
elemSize := dst.typecode.elem().Size()
memmove(dstbuf, srcbuf, minLen*elemSize)
return int(minLen)
return sliceCopy(dstbuf, srcbuf, dstlen, srclen, dst.typecode.elem().Size())
}
func buflen(v Value) (unsafe.Pointer, uintptr) {
@@ -1871,7 +1810,7 @@ func buflen(v Value) (unsafe.Pointer, uintptr) {
}
//go:linkname sliceGrow runtime.sliceGrow
func sliceGrow(buf unsafe.Pointer, oldLen, oldCap, newCap, elemSize uintptr, layout unsafe.Pointer) (unsafe.Pointer, uintptr, uintptr)
func sliceGrow(buf unsafe.Pointer, oldLen, oldCap, newCap, elemSize uintptr) (unsafe.Pointer, uintptr, uintptr)
// extend slice to hold n new elements
func extendSlice(v Value, n int) sliceHeader {
@@ -1884,10 +1823,7 @@ func extendSlice(v Value, n int) sliceHeader {
old = *(*sliceHeader)(v.value)
}
elem := v.typecode.elem()
elemSize := elem.Size()
elemLayout := elem.gcLayout()
nbuf, nlen, ncap := sliceGrow(old.data, old.len, old.cap, old.len+uintptr(n), elemSize, elemLayout)
nbuf, nlen, ncap := sliceGrow(old.data, old.len, old.cap, old.len+uintptr(n), v.typecode.elem().Size())
return sliceHeader{
data: nbuf,
@@ -1926,10 +1862,8 @@ func AppendSlice(s, t Value) Value {
}
sSlice := (*sliceHeader)(s.value)
tSlice := (*sliceHeader)(t.value)
elem := s.typecode.elem()
elemSize := elem.Size()
elemLayout := elem.gcLayout()
ptr, len, cap := sliceAppend(sSlice.data, tSlice.data, sSlice.len, sSlice.cap, tSlice.len, elemSize, elemLayout)
elemSize := s.typecode.elem().Size()
ptr, len, cap := sliceAppend(sSlice.data, tSlice.data, sSlice.len, sSlice.cap, tSlice.len, elemSize)
result := &sliceHeader{
data: ptr,
len: len,
-7
View File
@@ -108,10 +108,6 @@ func (*stackState) unwind()
func (t *Task) Resume() {
// The current task must be saved and restored because this can nest on WASM with JS.
prevTask := currentTask
if prevTask == nil {
// Save the system stack pointer.
saveStackPointer()
}
t.gcData.swap()
currentTask = t
if !t.state.launched {
@@ -127,9 +123,6 @@ func (t *Task) Resume() {
}
}
//go:linkname saveStackPointer runtime.saveStackPointer
func saveStackPointer()
//export tinygo_rewind
func (*state) rewind()
+1 -1
View File
@@ -1,4 +1,4 @@
//go:build scheduler.tasks && (esp32 || esp32s3)
//go:build scheduler.tasks && esp32
package task
-6
View File
@@ -120,21 +120,15 @@ int tinygo_task_start(uintptr_t fn, void *args, void *task, pthread_t *thread, u
#endif
pthread_attr_t attrs;
pthread_attr_init(&attrs);
pthread_attr_setdetachstate(&attrs, PTHREAD_CREATE_DETACHED);
pthread_attr_setstacksize(&attrs, stackSize);
int result = pthread_create(thread, &attrs, &start_wrapper, &state);
pthread_attr_destroy(&attrs);
if (result != 0) {
return result;
}
// Wait until the thread has been created and read all state_pass variables.
#if __APPLE__
dispatch_semaphore_wait(state.startlock, DISPATCH_TIME_FOREVER);
dispatch_release(state.startlock);
#else
sem_wait(&state.startlock);
sem_destroy(&state.startlock);
#endif
return result;
+65 -101
View File
@@ -23,15 +23,16 @@ type state struct {
// is needed to be able to scan the stack.
stackTop uintptr
// Lowest address of the stack.
// This is populated when the thread is stopped by the GC.
stackBottom uintptr
// Next task in the activeTasks queue.
QueueNext *Task
// Semaphore to pause/resume the thread atomically.
pauseSem Semaphore
// Semaphore used for stack scanning.
// We can't reuse pauseSem here since the thread might have been paused for
// other reasons (for example, because it was waiting on a channel).
gcSem Semaphore
}
// Goroutine counter, starting at 0 for the main goroutine.
@@ -95,9 +96,6 @@ func (t *Task) Resume() {
t.state.pauseSem.Post()
}
// otherGoroutines is the total number of live goroutines minus one.
var otherGoroutines uint32
// Start a new OS thread.
func start(fn uintptr, args unsafe.Pointer, stackSize uintptr) {
t := &Task{}
@@ -117,7 +115,6 @@ func start(fn uintptr, args unsafe.Pointer, stackSize uintptr) {
}
t.state.QueueNext = activeTasks
activeTasks = t
otherGoroutines++
activeTaskLock.Unlock()
}
@@ -138,7 +135,6 @@ func taskExited(t *Task) {
break
}
}
otherGoroutines--
activeTaskLock.Unlock()
// Sanity check.
@@ -147,42 +143,9 @@ func taskExited(t *Task) {
}
}
// scanWaitGroup is used to wait on until all threads have finished the current state transition.
var scanWaitGroup waitGroup
type waitGroup struct {
f Futex
}
func initWaitGroup(n uint32) waitGroup {
var wg waitGroup
wg.f.Store(n)
return wg
}
func (wg *waitGroup) done() {
if wg.f.Add(^uint32(0)) == 0 {
wg.f.WakeAll()
}
}
func (wg *waitGroup) wait() {
for {
val := wg.f.Load()
if val == 0 {
return
}
wg.f.Wait(val)
}
}
// gcState is used to track and notify threads when the GC is stopping/resuming.
var gcState Futex
const (
gcStateResumed = iota
gcStateStopped
)
// Futex to wait on until all tasks have finished scanning the stack.
// This is basically a sync.WaitGroup.
var scanDoneFutex Futex
// GC scan phase. Because we need to stop the world while scanning, this kinda
// needs to be done in the tasks package.
@@ -192,71 +155,65 @@ const (
func GCStopWorldAndScan() {
current := Current()
// NOTE: This does not need to be atomic.
if gcState.Load() == gcStateResumed {
// Don't allow new goroutines to be started while pausing/resuming threads
// in the stop-the-world phase.
activeTaskLock.Lock()
// Don't allow new goroutines to be started while pausing/resuming threads
// in the stop-the-world phase.
activeTaskLock.Lock()
// Wait for threads to finish resuming.
scanWaitGroup.wait()
// Change the gc state to stopped.
// NOTE: This does not need to be atomic.
gcState.Store(gcStateStopped)
// Set the number of threads to wait for.
scanWaitGroup = initWaitGroup(otherGoroutines)
// Pause all other threads.
for t := activeTasks; t != nil; t = t.state.QueueNext {
if t != current {
tinygo_task_send_gc_signal(t.state.thread)
}
}
// Wait for the threads to finish stopping.
scanWaitGroup.wait()
}
// Scan other thread stacks.
// Pause all other threads.
numOtherThreads := uint32(0)
for t := activeTasks; t != nil; t = t.state.QueueNext {
if t != current {
markRoots(t.state.stackBottom, t.state.stackTop)
numOtherThreads++
tinygo_task_send_gc_signal(t.state.thread)
}
}
// Store the number of threads to wait for in the futex.
// This is the equivalent of doing an initial wg.Add(numOtherThreads).
scanDoneFutex.Store(numOtherThreads)
// Scan the current stack, and all current registers.
scanCurrentStack()
// Wake each paused thread for the first time so it will scan the stack.
for t := activeTasks; t != nil; t = t.state.QueueNext {
if t != current {
t.state.gcSem.Post()
}
}
// Wait until all threads have finished scanning their stack.
// This is the equivalent of wg.Wait()
for {
val := scanDoneFutex.Load()
if val == 0 {
break
}
scanDoneFutex.Wait(val)
}
// Scan all globals (implemented in the runtime).
gcScanGlobals()
}
// After the GC is done scanning, resume all other threads.
//
// This must only be called after a GCStopWorldAndScan call.
func GCResumeWorld() {
// NOTE: This does not need to be atomic.
if gcState.Load() == gcStateResumed {
// This is already resumed.
return
current := Current()
// Wake each paused thread for the second time, so they will resume normal
// operation.
for t := activeTasks; t != nil; t = t.state.QueueNext {
if t != current {
t.state.gcSem.Post()
}
}
// Set the wait group to track resume progress.
scanWaitGroup = initWaitGroup(otherGoroutines)
// Set the state to resumed.
gcState.Store(gcStateResumed)
// Wake all of the stopped threads.
gcState.WakeAll()
// Allow goroutines to start and exit again.
activeTaskLock.Unlock()
}
//go:linkname markRoots runtime.markRoots
func markRoots(start, end uintptr)
// Scan globals, implemented in the runtime package.
func gcScanGlobals()
@@ -264,27 +221,34 @@ var stackScanLock PMutex
//export tinygo_task_gc_pause
func tingyo_task_gc_pause(sig int32) {
// Write the entrty stack pointer to the state.
Current().state.stackBottom = uintptr(stacksave())
// Wait until we get the signal to start scanning the stack.
Current().state.gcSem.Wait()
// Notify the GC that we are stopped.
scanWaitGroup.done()
// Scan the thread stack.
// Only scan a single thread stack at a time, because the GC marking phase
// doesn't support parallelism.
// TODO: it may be possible to call markRoots directly (without saving
// registers) since we are in a signal handler that already saved a bunch of
// registers. This is an optimization left for a future time.
stackScanLock.Lock()
scanCurrentStack()
stackScanLock.Unlock()
// Wait for the GC to resume.
for gcState.Load() == gcStateStopped {
gcState.Wait(gcStateStopped)
// Equivalent of wg.Done(): subtract one from the futex and if the result is
// 0 (meaning we were the last in the waitgroup), wake the waiting thread.
n := uint32(1)
if scanDoneFutex.Add(-n) == 0 {
scanDoneFutex.Wake()
}
// Notify the GC that we have resumed.
scanWaitGroup.done()
// Wait until we get the signal we can resume normally (after the mark phase
// has finished).
Current().state.gcSem.Wait()
}
//go:export tinygo_scanCurrentStack
func scanCurrentStack()
//go:linkname stacksave runtime.stacksave
func stacksave() unsafe.Pointer
// Return the highest address of the current stack.
func StackTop() uintptr {
return Current().state.stackTop
-153
View File
@@ -1,153 +0,0 @@
//go:build amken_trio
// RabbitPNP Toolhead Board
// MCU: STM32G0B1CBTx (LQFP48, 128KB Flash, 144KB RAM)
package machine
import (
"device/stm32"
"runtime/interrupt"
)
// Vacuum sensors (PWM input via TIM2)
const (
VAC1 = PA0 // TIM2_CH1
VAC2 = PA1 // TIM2_CH2
)
// Motor 1 pins (stepper driver)
const (
M1_CS = PC7
M1_DIR = PB13 // REFL
M1_STEP = PB14 // REFR
M1_ENN = PA10 // Enable (active low)
)
// Motor 2 pins (stepper driver)
const (
M2_CS = PA9
M2_DIR = PB12 // REFL
M2_STEP = PB11 // REFR
M2_ENN = PC6 // Enable (active low)
)
// Motor 3 pins (stepper driver)
const (
M3_CS = PB15
M3_DIR = PB2 // REFL
M3_STEP = PB1 // REFR
M3_ENN = PA8 // Enable (active low)
)
// LED
const (
LED = LED1
LED_BUILTIN = LED1
LED1 = PB7
)
// Solenoid and Neopixel (PWM via TIM4)
const (
SOLENOID = PB8 // TIM4_CH3
NEOPIXEL = PB9 // TIM4_CH4
)
// Endstops
const (
ENDSTOP_IN1 = PC13
ENDSTOP_IN2 = PC14
)
// Magnetic sensor
const (
MAG1 = PB3
)
// Accelerometer chip select (LIS2D on SPI2)
const (
LIS2D_CS = PB5
)
// SPI1 pins (motor drivers)
const (
SPI1_SCK_PIN = PA5
SPI1_SDO_PIN = PA2 // MOSI
SPI1_SDI_PIN = PA6 // MISO
SPI0_SCK_PIN = SPI1_SCK_PIN
SPI0_SDO_PIN = SPI1_SDO_PIN
SPI0_SDI_PIN = SPI1_SDI_PIN
)
// SPI2 pins (accelerometer)
const (
SPI2_SCK_PIN = PB10
SPI2_SDO_PIN = PA4 // MOSI
SPI2_SDI_PIN = PA3 // MISO
)
// I2C2 pins
const (
I2C2_SCL_PIN = PA7
I2C2_SDA_PIN = PB4
I2C0_SCL_PIN = I2C2_SCL_PIN
I2C0_SDA_PIN = I2C2_SDA_PIN
)
// FDCAN1 pins
const (
CAN_RX = PD0
CAN_TX = PD1
)
// USB pins
const (
USB_DM = PA11
USB_DP = PA12
)
// UART pins (not directly connected but required by machine package)
const (
UART_TX_PIN = NoPin
UART_RX_PIN = NoPin
)
var (
// SPI1 for motor drivers
SPI1 = &SPI{
Bus: stm32.SPI1,
AltFuncSelector: AF0_SYSTEM,
}
SPI0 = SPI1
// SPI2 for accelerometer
SPI2 = &SPI{
Bus: stm32.SPI2,
AltFuncSelector: AF1_TIM1_TIM2_TIM3_LPTIM1,
}
// I2C2
I2C2 = &I2C{
Bus: stm32.I2C2,
AltFuncSelector: AF6_SPI2_USART3_USART4_I2C1,
}
I2C0 = I2C2
// FDCAN1 on PD0 (RX) / PD1 (TX) with onboard transceiver
CAN1 = &_CAN1
_CAN1 = FDCAN{
Bus: stm32.FDCAN1,
TxAltFuncSelect: AF3_FDCAN1_FDCAN2,
RxAltFuncSelect: AF3_FDCAN1_FDCAN2,
instance: 0,
}
// Alias for convenience
CAN0 = CAN1
)
// Suppress unused import warning for interrupt package
var _ = interrupt.New
func init() {
// No UART configured on this board - uses USB or CAN for communication
}
+3 -12
View File
@@ -2,26 +2,17 @@
package machine
// Digispark is a tiny ATtiny85-based board with 6 I/O pins.
//
// PWM is available on the following pins:
// - P0 (PB0): Timer0 channel A
// - P1 (PB1): Timer0 channel B or Timer1 channel A (LED pin)
// - P4 (PB4): Timer1 channel B
//
// Timer1 is recommended for PWM as it provides more flexible frequency control.
// Return the current CPU frequency in hertz.
func CPUFrequency() uint32 {
return 16000000
}
const (
P0 Pin = PB0 // PWM available (Timer0 OC0A)
P1 Pin = PB1 // PWM available (Timer0 OC0B or Timer1 OC1A)
P0 Pin = PB0
P1 Pin = PB1
P2 Pin = PB2
P3 Pin = PB3
P4 Pin = PB4 // PWM available (Timer1 OC1B)
P4 Pin = PB4
P5 Pin = PB5
LED = P1
-15
View File
@@ -1,15 +0,0 @@
//go:build esp32s3_wroom1
package machine
const (
SPI1_SCK_PIN = GPIO12 // SCK
SPI1_MOSI_PIN = GPIO11 // SDO (MOSI)
SPI1_MISO_PIN = GPIO13 // SDI (MISO)
SPI1_CS_PIN = GPIO10 // CS
SPI2_SCK_PIN = GPIO36 // SCK
SPI2_MOSI_PIN = GPIO35 // SDO (MOSI)
SPI2_MISO_PIN = GPIO37 // SDI (MISO)
SPI2_CS_PIN = GPIO34 // CS
)
-9
View File
@@ -43,15 +43,6 @@ const (
USBCDC_DP_PIN = PA25
)
// UART0 pins
const (
UART0_TX_PIN = D1
UART0_RX_PIN = D0
)
// UART0 on the Feather M0.
var UART0 = &sercomUSART0
// UART1 pins
const (
UART_TX_PIN = D10
-131
View File
@@ -1,131 +0,0 @@
//go:build nucleog0b1re
// Schematic: https://www.st.com/resource/en/user_manual/um2324-stm32-nucleo64-boards-mb1360-stmicroelectronics.pdf
// Datasheet: https://www.st.com/resource/en/datasheet/stm32g0b1re.pdf
package machine
import (
"device/stm32"
"runtime/interrupt"
)
const (
// Arduino Pins
A0 = PA0
A1 = PA1
A2 = PA4
A3 = PB1
A4 = PA11
A5 = PA12
D0 = PB7
D1 = PB6
D2 = PA10
D3 = PB3
D4 = PB5
D5 = PB4
D6 = PB10
D7 = PA8
D8 = PA9
D9 = PC7
D10 = PB0
D11 = PA7
D12 = PA6
D13 = PA5
D14 = PB9
D15 = PB8
)
// User LD4: the green LED is a user LED connected to ARDUINO signal D13 corresponding
// to STM32 I/O PA5.
const (
LED = LED_BUILTIN
LED_BUILTIN = LED_GREEN
LED_GREEN = PA5
)
// User B1: the user button is connected to PC13.
const (
BUTTON = PC13
)
const (
// UART pins
// PA2 and PA3 are connected to the ST-Link Virtual Com Port (VCP)
UART_TX_PIN = PA2
UART_RX_PIN = PA3
// I2C pins
// PB8 is SCL (connected to Arduino connector D15)
// PB9 is SDA (connected to Arduino connector D14)
I2C0_SCL_PIN = PB8
I2C0_SDA_PIN = PB9
// SPI pins
SPI1_SCK_PIN = PA5
SPI1_SDI_PIN = PA6
SPI1_SDO_PIN = PA7
SPI0_SCK_PIN = SPI1_SCK_PIN
SPI0_SDI_PIN = SPI1_SDI_PIN
SPI0_SDO_PIN = SPI1_SDO_PIN
// CAN pins (directly accessible on Nucleo-G0B1RE board)
// FDCAN1: PA11 (TX) / PA12 (RX) using AF9
// FDCAN2: PD12 (TX) / PD13 (RX) using AF3
CAN1_TX_PIN = PA11
CAN1_RX_PIN = PA12
CAN2_TX_PIN = PD12
CAN2_RX_PIN = PD13
)
var (
// USART2 is the hardware serial port connected to the onboard ST-LINK
// debugger to be exposed as virtual COM port over USB on Nucleo boards.
UART1 = &_UART1
_UART1 = UART{
Buffer: NewRingBuffer(),
Bus: stm32.USART2,
TxAltFuncSelector: AF1_TIM1_TIM2_TIM3_LPTIM1,
RxAltFuncSelector: AF1_TIM1_TIM2_TIM3_LPTIM1,
}
DefaultUART = UART1
// I2C1 is documented, alias to I2C0 as well
I2C1 = &I2C{
Bus: stm32.I2C1,
AltFuncSelector: AF6_SPI2_USART3_USART4_I2C1,
}
I2C0 = I2C1
// SPI1 is documented, alias to SPI0 as well
SPI1 = &SPI{
Bus: stm32.SPI1,
AltFuncSelector: AF0_SYSTEM,
}
SPI0 = SPI1
// FDCAN1 on PA11 (TX) / PA12 (RX)
CAN1 = &_CAN1
_CAN1 = FDCAN{
Bus: stm32.FDCAN1,
TxAltFuncSelect: AF9_FDCAN1_FDCAN2,
RxAltFuncSelect: AF9_FDCAN1_FDCAN2,
instance: 0,
}
// FDCAN2 on PD12 (TX) / PD13 (RX)
CAN2 = &_CAN2
_CAN2 = FDCAN{
Bus: stm32.FDCAN2,
TxAltFuncSelect: AF3_FDCAN1_FDCAN2,
RxAltFuncSelect: AF3_FDCAN1_FDCAN2,
instance: 1,
}
)
func init() {
UART1.Interrupt = interrupt.New(stm32.IRQ_USART2_LPUART2, _UART1.handleInterrupt)
// Note: FDCAN interrupts share with USB (IRQ_UCPD1_UCPD2_USB = 8)
// User should configure interrupts via SetInterrupt method if needed
}
-173
View File
@@ -1,173 +0,0 @@
//go:build pico2_ice
// Most of the info is from
// https://pico2-ice.tinyvision.ai/md_pinout.html although
// (2025-09-07) RP4 appears twice in that pinout - the schematic is
// more clear. Consistent with other RPi boards, we use GPn instead of
// RPn to reference the RPi connected pins.
package machine
// GPIO pins
const (
GP0 = GPIO0
GP1 = GPIO1
GP2 = GPIO2
GP3 = GPIO3
GP4 = GPIO4
GP5 = GPIO5
GP6 = GPIO6
GP7 = GPIO7
GP8 = GPIO8
GP9 = GPIO9
GP10 = GPIO10
GP11 = GPIO11
GP12 = GPIO12
GP13 = GPIO13
GP14 = GPIO14
GP15 = GPIO15
GP16 = GPIO16
GP17 = GPIO17
GP18 = GPIO18
GP19 = GPIO19
GP20 = GPIO20
GP21 = GPIO21
GP22 = GPIO22
GP23 = GPIO23
GP24 = GPIO24
GP25 = GPIO25
GP26 = GPIO26
GP27 = GPIO27
GP28 = GPIO28
GP29 = GPIO29
GP30 = GPIO30
GP31 = GPIO31
GP32 = GPIO32
GP33 = GPIO33
GP34 = GPIO34
GP35 = GPIO35
GP36 = GPIO36
GP37 = GPIO37
GP38 = GPIO38
GP39 = GPIO39
GP40 = GPIO40
GP41 = GPIO41
GP42 = GPIO42
GP43 = GPIO43
GP44 = GPIO44
GP45 = GPIO45
GP46 = GPIO46
GP47 = GPIO47
// RPi pins shared with ICE. The ICE number is what appears on
// the board silkscreen.
ICE9 = GP28
ICE11 = GP29
ICE14 = GP7
ICE15 = GP6
ICE16 = GP5
ICE17 = GP4
ICE18 = GP27
ICE19 = GP23
ICE20 = GP22
ICE21 = GP26
ICE23 = GP25
ICE25 = GP30
ICE26 = GP24
ICE27 = GP20
// FPGA Clock pin.
ICE35_G0 = GP21
// Silkscreen & Pinout names
ICE_SSN = ICE16
ICE_SO = ICE14
ICE_SI = ICE17
ICE_CK = ICE15
SD = GP2
SC = GP3
FPGA_RSTN = GP31
A3 = GP32
A1 = GP33
A4 = GP34
A2 = GP35
B3 = GP36
B1 = GP37
B4 = GP38
B2 = GP39
N0 = GP40 // On the board these are labeled "~0"
N1 = GP41
N2 = GP42
N3 = GP43
N4 = GP44
N5 = GP45
N6 = GP46
// Functions from Schematic.
ICE_DONE = GP40
USB_BOOT = GP42
// Button
SW1 = GP42
BOOTSEL = GP42
// Tricolor LEDs
LED_RED = GP1
LED_GREEN = GP0
LED_BLUE = GP9
// Onboard LED
LED = LED_GREEN
// Onboard crystal oscillator frequency, in MHz.
xoscFreq = 12 // MHz
)
// This board does not define default i2c pins.
const (
I2C0_SDA_PIN = NoPin
I2C0_SCL_PIN = NoPin
I2C1_SDA_PIN = NoPin
I2C1_SCL_PIN = NoPin
)
// SPI default pins
const (
// Default Serial Clock Bus 0 for SPI communications
SPI0_SCK_PIN = GPIO18
// Default Serial Out Bus 0 for SPI communications
SPI0_SDO_PIN = GPIO19 // Tx
// Default Serial In Bus 0 for SPI communications
SPI0_SDI_PIN = GPIO16 // Rx
// Default Serial Clock Bus 1 for SPI communications
SPI1_SCK_PIN = GPIO10
// Default Serial Out Bus 1 for SPI communications
SPI1_SDO_PIN = GPIO11 // Tx
// Default Serial In Bus 1 for SPI communications
SPI1_SDI_PIN = GPIO12 // Rx
)
// UART pins
const (
UART0_TX_PIN = GPIO0
UART0_RX_PIN = GPIO1
UART1_TX_PIN = GPIO8
UART1_RX_PIN = GPIO9
UART_TX_PIN = UART0_TX_PIN
UART_RX_PIN = UART0_RX_PIN
)
var DefaultUART = UART0
// USB identifiers
const (
usb_STRING_PRODUCT = "Pico2"
usb_STRING_MANUFACTURER = "Raspberry Pi"
)
var (
usb_VID uint16 = 0x2E8A
usb_PID uint16 = 0x000A
)
-118
View File
@@ -1,118 +0,0 @@
//go:build vicharak_shrike_lite
// Pin mappings for Vicharak Shrike-Lite.
//
// Reference: https://vicharak-in.github.io/shrike/shrike_pinouts.html
package machine
// Digital
const (
IO0 Pin = GPIO0
IO1 Pin = GPIO1
IO2 Pin = GPIO2
IO3 Pin = GPIO3
IO4 Pin = GPIO4
IO5 Pin = GPIO5
IO6 Pin = GPIO6
IO7 Pin = GPIO7
IO8 Pin = GPIO8
IO9 Pin = GPIO9
IO10 Pin = GPIO10
IO11 Pin = GPIO11
IO12 Pin = GPIO12
IO13 Pin = GPIO13
IO14 Pin = GPIO14
IO15 Pin = GPIO15
IO16 Pin = GPIO16
IO17 Pin = GPIO17
IO18 Pin = GPIO18
IO19 Pin = GPIO19
IO20 Pin = GPIO20
IO21 Pin = GPIO21
IO22 Pin = GPIO22
IO23 Pin = GPIO23
IO24 Pin = GPIO24
IO25 Pin = GPIO25
IO26 Pin = GPIO26
IO27 Pin = GPIO27
IO28 Pin = GPIO28
IO29 Pin = GPIO29
)
// FPGA Pins
const (
FPGA_EN Pin = IO13
FPGA_PWR Pin = IO12
// SPI_SCLK
F3 Pin = IO2
// SPI_SS
F4 Pin = IO1
// SPI_SI (MOSI)
F5 Pin = IO3
// SPI_SO (MISO) / CONFIG
F6 Pin = IO0
F18 Pin = IO14
F17 Pin = IO15
)
// Analog pins
const (
A0 Pin = IO26
A1 Pin = IO27
A2 Pin = IO28
A3 Pin = IO29
)
// LED
const (
LED = IO4
)
// I2C pins
const (
I2C0_SDA_PIN Pin = IO24
I2C0_SCL_PIN Pin = IO25
I2C1_SDA_PIN Pin = IO6
I2C1_SCL_PIN Pin = IO7
)
// SPI pins
const (
SPI0_SCK_PIN Pin = IO18
SPI0_SDO_PIN Pin = IO19
SPI0_SDI_PIN Pin = IO20
SPI1_SCK_PIN Pin = IO10
SPI1_SDO_PIN Pin = IO11
SPI1_SDI_PIN Pin = IO8
)
// Onboard crystal oscillator frequency, in MHz.
const (
xoscFreq = 12 // MHz
)
// UART pins
const (
UART0_TX_PIN = IO28
UART0_RX_PIN = IO29
UART_TX_PIN = UART0_TX_PIN
UART_RX_PIN = UART0_RX_PIN
UART1_TX_PIN = IO24
UART1_RX_PIN = IO25
)
var DefaultUART = UART0
// USB CDC identifiers
const (
usb_STRING_PRODUCT = "Shrike-Lite"
usb_STRING_MANUFACTURER = "Vicharak"
)
var (
usb_VID uint16 = 0x2e8a
usb_PID uint16 = 0x0003
)
-64
View File
@@ -1,64 +0,0 @@
//go:build xiao_esp32s3
// This file contains the pin mappings for the Seeed XIAO ESP32S3 boards.
//
// Seeed Studio XIAO ESP32S3 is an IoT mini development board based on
// the Espressif ESP32-S3 WiFi/Bluetooth dual-mode chip.
//
// - https://www.seeedstudio.com/XIAO-ESP32S3-p-5627.html
// - https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/
package machine
// Digital Pins
const (
D0 = GPIO1
D1 = GPIO2
D2 = GPIO3
D3 = GPIO4
D4 = GPIO5
D5 = GPIO6
D6 = GPIO43
D7 = GPIO44
D8 = GPIO7
D9 = GPIO8
D10 = GPIO9
)
// Analog pins
const (
A0 = GPIO1
A1 = GPIO2
A2 = GPIO3
A3 = GPIO4
)
// UART pins
const (
UART_RX_PIN = GPIO44
UART_TX_PIN = GPIO43
)
// I2C pins
const (
SDA_PIN = GPIO5
SCL_PIN = GPIO6
)
// SPI pins
const (
SPI1_SCK_PIN = GPIO7 // D8
SPI1_MISO_PIN = GPIO8 // D9
SPI1_MOSI_PIN = GPIO9 // D10
SPI1_CS_PIN = NoPin
SPI2_SCK_PIN = NoPin
SPI2_MOSI_PIN = NoPin
SPI2_MISO_PIN = NoPin
SPI2_CS_PIN = NoPin
)
// Onboard LEDs
const (
LED = GPIO21
)
+1 -6
View File
@@ -1,4 +1,4 @@
//go:build nrf || nrf51 || nrf52 || nrf528xx || stm32f4 || stm32l0 || stm32l4 || stm32wlx || atsamd21 || atsamd51 || atsame5x || rp2040 || rp2350
//go:build nrf || nrf51 || nrf52 || nrf528xx || stm32f4 || stm32l4 || stm32wlx || atsamd21 || atsamd51 || atsame5x || rp2040 || rp2350
package machine
@@ -43,11 +43,6 @@ type BlockDevice interface {
io.ReaderAt
// WriteAt writes the given number of bytes to the block device.
//
// This interface directly writes data to the underlying block device.
// Different kinds of devices have different requirements: most can only
// write data after the page has been erased, and many can only write data
// with specific alignment (such as 4-byte alignment).
io.WriterAt
// Size returns the number of bytes in this block device.
+1 -31
View File
@@ -1,9 +1,6 @@
package machine
import (
"errors"
"unsafe"
)
import "errors"
var (
ErrTimeoutRNG = errors.New("machine: RNG Timeout")
@@ -65,30 +62,3 @@ func (p Pin) Low() {
type ADC struct {
Pin Pin
}
// Convert the pointer to a uintptr, to be used for memory I/O (DMA for
// example). It also means the pointer is "gone" as far as the compiler is
// concerned, and a GC cycle might deallocate the object. To prevent this from
// happening, also call keepAliveNoEscape at a point after the address isn't
// accessed anymore by the hardware.
// The only exception is if the pointer is accessed later in a volatile way
// (volatile read/write), which also forces the value to stay alive until that
// point.
//
// This function is treated specially by the compiler to mark the 'ptr'
// parameter as not escaping.
//
// TODO: this function should eventually be replaced with the proposed ptrtoaddr
// instruction in LLVM. See:
// https://discourse.llvm.org/t/clarifiying-the-semantics-of-ptrtoint/83987/10
// https://github.com/llvm/llvm-project/pull/139357
func unsafeNoEscape(ptr unsafe.Pointer) uintptr {
return uintptr(ptr)
}
// Make sure the given pointer stays alive until this point. This is similar to
// runtime.KeepAlive, with the difference that it won't let the pointer escape.
// This is typically used together with unsafeNoEscape.
//
// This is a compiler intrinsic.
func keepAliveNoEscape(ptr unsafe.Pointer)
+16 -17
View File
@@ -337,7 +337,7 @@ func handleUSBSetAddress(setup usb.Setup) bool {
// SendUSBInPacket sends a packet for USB (interrupt in / bulk in).
func SendUSBInPacket(ep uint32, data []byte) bool {
sendUSBPacket(ep, data)
sendUSBPacket(ep, data, 0)
// clear transfer complete flag
setEPINTFLAG(ep, sam.USB_DEVICE_EPINTFLAG_TRCPT1)
@@ -351,28 +351,27 @@ func SendUSBInPacket(ep uint32, data []byte) bool {
// Prevent file size increases: https://github.com/tinygo-org/tinygo/pull/998
//
//go:noinline
func sendUSBPacket(ep uint32, data []byte) {
// Select the corresponding buffer.
buffer := udd_ep_control_cache_buffer[:]
if ep != 0 {
buffer = udd_ep_in_cache_buffer[ep][:]
func sendUSBPacket(ep uint32, data []byte, maxsize uint16) {
l := uint16(len(data))
if 0 < maxsize && maxsize < l {
l = maxsize
}
// Copy the packet to the buffer.
copy(buffer[:len(data)], data)
// Select the corresponding endpoint descriptor.
endpoint := &usbEndpointDescriptors[ep].DeviceDescBank[1]
// Set the endpoint address.
endpoint.ADDR.Set(uint32(uintptr(unsafe.Pointer(unsafe.SliceData(buffer)))))
// Set endpoint address for sending data
if ep == 0 {
copy(udd_ep_control_cache_buffer[:], data[:l])
usbEndpointDescriptors[ep].DeviceDescBank[1].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_control_cache_buffer))))
} else {
copy(udd_ep_in_cache_buffer[ep][:], data[:l])
usbEndpointDescriptors[ep].DeviceDescBank[1].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_in_cache_buffer[ep]))))
}
// clear multi-packet size which is total bytes already sent
endpoint.PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos)
// set byte count, which is total number of bytes to be sent
endpoint.PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
endpoint.PCKSIZE.SetBits((uint32(len(data)) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.SetBits((uint32(l) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
}
func ReceiveUSBControlPacket() ([cdcLineInfoSize]byte, error) {
+16 -17
View File
@@ -340,7 +340,7 @@ func handleUSBSetAddress(setup usb.Setup) bool {
// SendUSBInPacket sends a packet for USB (interrupt in / bulk in).
func SendUSBInPacket(ep uint32, data []byte) bool {
sendUSBPacket(ep, data)
sendUSBPacket(ep, data, 0)
// clear transfer complete flag
setEPINTFLAG(ep, sam.USB_DEVICE_ENDPOINT_EPINTFLAG_TRCPT1)
@@ -354,28 +354,27 @@ func SendUSBInPacket(ep uint32, data []byte) bool {
// Prevent file size increases: https://github.com/tinygo-org/tinygo/pull/998
//
//go:noinline
func sendUSBPacket(ep uint32, data []byte) {
// Select the corresponding buffer.
buffer := udd_ep_control_cache_buffer[:]
if ep != 0 {
buffer = udd_ep_in_cache_buffer[ep][:]
func sendUSBPacket(ep uint32, data []byte, maxsize uint16) {
l := uint16(len(data))
if 0 < maxsize && maxsize < l {
l = maxsize
}
// Copy the packet to the buffer.
copy(buffer[:len(data)], data)
// Select the corresponding endpoint descriptor.
endpoint := &usbEndpointDescriptors[ep].DeviceDescBank[1]
// Set the endpoint address.
endpoint.ADDR.Set(uint32(uintptr(unsafe.Pointer(unsafe.SliceData(buffer)))))
// Set endpoint address for sending data
if ep == 0 {
copy(udd_ep_control_cache_buffer[:], data[:l])
usbEndpointDescriptors[ep].DeviceDescBank[1].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_control_cache_buffer))))
} else {
copy(udd_ep_in_cache_buffer[ep][:], data[:l])
usbEndpointDescriptors[ep].DeviceDescBank[1].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_in_cache_buffer[ep]))))
}
// clear multi-packet size which is total bytes already sent
endpoint.PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos)
// set byte count, which is total number of bytes to be sent
endpoint.PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
endpoint.PCKSIZE.SetBits((uint32(len(data)) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.SetBits((uint32(l) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
}
func ReceiveUSBControlPacket() ([cdcLineInfoSize]byte, error) {
-521
View File
@@ -21,524 +21,3 @@ func (p Pin) getPortMask() (*volatile.Register8, uint8) {
// Very simple for the attiny85, which only has a single port.
return avr.PORTB, 1 << uint8(p)
}
// PWM is one PWM peripheral, which consists of a counter and two output
// channels (that can be connected to two fixed pins). You can set the frequency
// using SetPeriod, but only for all the channels in this PWM peripheral at
// once.
type PWM struct {
num uint8
}
var (
Timer0 = PWM{0} // 8 bit timer for PB0 and PB1
Timer1 = PWM{1} // 8 bit high-speed timer for PB1 and PB4
)
// GTCCR bits for Timer1 that are not defined in the device file
const (
gtccrPWM1B = 0x40 // Pulse Width Modulator B Enable
gtccrCOM1B0 = 0x10 // Comparator B Output Mode bit 0
gtccrCOM1B1 = 0x20 // Comparator B Output Mode bit 1
)
// Configure enables and configures this PWM.
//
// For Timer0, there is only a limited number of periods available, namely the
// CPU frequency divided by 256 and again divided by 1, 8, 64, 256, or 1024.
// For a MCU running at 8MHz, this would be a period of 32µs, 256µs, 2048µs,
// 8192µs, or 32768µs.
//
// For Timer1, the period is more flexible as it uses OCR1C as the top value.
// Timer1 also supports more prescaler values (1 to 16384).
func (pwm PWM) Configure(config PWMConfig) error {
switch pwm.num {
case 0: // Timer/Counter 0 (8-bit)
// Calculate the timer prescaler.
var prescaler uint8
switch config.Period {
case 0, (uint64(1e9) * 256 * 1) / uint64(CPUFrequency()):
prescaler = 1
case (uint64(1e9) * 256 * 8) / uint64(CPUFrequency()):
prescaler = 2
case (uint64(1e9) * 256 * 64) / uint64(CPUFrequency()):
prescaler = 3
case (uint64(1e9) * 256 * 256) / uint64(CPUFrequency()):
prescaler = 4
case (uint64(1e9) * 256 * 1024) / uint64(CPUFrequency()):
prescaler = 5
default:
return ErrPWMPeriodTooLong
}
avr.TCCR0B.Set(prescaler)
// Set the PWM mode to fast PWM (mode = 3).
avr.TCCR0A.Set(avr.TCCR0A_WGM00 | avr.TCCR0A_WGM01)
case 1: // Timer/Counter 1 (8-bit high-speed)
// Timer1 on ATtiny85 is different from ATmega328:
// - It's 8-bit with configurable top (OCR1C)
// - Has more prescaler options (1-16384)
// - PWM mode is enabled per-channel via PWM1A/PWM1B bits
var top uint64
if config.Period == 0 {
// Use a top appropriate for LEDs.
top = 0xff
} else {
// Calculate top value: top = period * (CPUFrequency / 1e9)
top = config.Period * (uint64(CPUFrequency()) / 1000000) / 1000
}
// Timer1 prescaler values: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384
const maxTop = 256
var prescaler uint8
switch {
case top <= maxTop:
prescaler = 1 // prescaler 1
case top/2 <= maxTop:
prescaler = 2 // prescaler 2
top /= 2
case top/4 <= maxTop:
prescaler = 3 // prescaler 4
top /= 4
case top/8 <= maxTop:
prescaler = 4 // prescaler 8
top /= 8
case top/16 <= maxTop:
prescaler = 5 // prescaler 16
top /= 16
case top/32 <= maxTop:
prescaler = 6 // prescaler 32
top /= 32
case top/64 <= maxTop:
prescaler = 7 // prescaler 64
top /= 64
case top/128 <= maxTop:
prescaler = 8 // prescaler 128
top /= 128
case top/256 <= maxTop:
prescaler = 9 // prescaler 256
top /= 256
case top/512 <= maxTop:
prescaler = 10 // prescaler 512
top /= 512
case top/1024 <= maxTop:
prescaler = 11 // prescaler 1024
top /= 1024
case top/2048 <= maxTop:
prescaler = 12 // prescaler 2048
top /= 2048
case top/4096 <= maxTop:
prescaler = 13 // prescaler 4096
top /= 4096
case top/8192 <= maxTop:
prescaler = 14 // prescaler 8192
top /= 8192
case top/16384 <= maxTop:
prescaler = 15 // prescaler 16384
top /= 16384
default:
return ErrPWMPeriodTooLong
}
// Set prescaler (CS1[3:0] bits)
avr.TCCR1.Set(prescaler)
// Set top value
avr.OCR1C.Set(uint8(top - 1))
}
return nil
}
// SetPeriod updates the period of this PWM peripheral.
// To set a particular frequency, use the following formula:
//
// period = 1e9 / frequency
//
// If you use a period of 0, a period that works well for LEDs will be picked.
//
// SetPeriod will not change the prescaler, but also won't change the current
// value in any of the channels. This means that you may need to update the
// value for the particular channel.
//
// Note that you cannot pick any arbitrary period after the PWM peripheral has
// been configured. If you want to switch between frequencies, pick the lowest
// frequency (longest period) once when calling Configure and adjust the
// frequency here as needed.
func (pwm PWM) SetPeriod(period uint64) error {
if pwm.num == 0 {
return ErrPWMPeriodTooLong // Timer0 doesn't support dynamic period
}
// Timer1 can adjust period via OCR1C
var top uint64
if period == 0 {
top = 0xff
} else {
top = period * (uint64(CPUFrequency()) / 1000000) / 1000
}
// Get current prescaler
prescaler := avr.TCCR1.Get() & 0x0f
// Timer1 prescaler values follow a power-of-2 pattern:
// prescaler n maps to divisor 2^(n-1), so we can use a simple shift
if prescaler > 0 && prescaler <= 15 {
top >>= (prescaler - 1)
}
if top > 256 {
return ErrPWMPeriodTooLong
}
avr.OCR1C.Set(uint8(top - 1))
avr.TCNT1.Set(0)
return nil
}
// Top returns the current counter top, for use in duty cycle calculation. It
// will only change with a call to Configure or SetPeriod, otherwise it is
// constant.
//
// The value returned here is hardware dependent. In general, it's best to treat
// it as an opaque value that can be divided by some number and passed to Set
// (see Set documentation for more information).
func (pwm PWM) Top() uint32 {
if pwm.num == 1 {
// Timer1 has configurable top via OCR1C
return uint32(avr.OCR1C.Get()) + 1
}
// Timer0 goes from 0 to 0xff (256 in total)
return 256
}
// Counter returns the current counter value of the timer in this PWM
// peripheral. It may be useful for debugging.
func (pwm PWM) Counter() uint32 {
switch pwm.num {
case 0:
return uint32(avr.TCNT0.Get())
case 1:
return uint32(avr.TCNT1.Get())
}
return 0
}
// Prescaler lookup tables using uint16 (more efficient than uint64 on AVR)
// Timer0 prescaler lookup table (index 0-7 maps to prescaler bits)
var timer0Prescalers = [8]uint16{0, 1, 8, 64, 256, 1024, 0, 0}
// Timer1 prescaler lookup table (index 0-15 maps to prescaler bits)
var timer1Prescalers = [16]uint16{0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384}
// Period returns the used PWM period in nanoseconds. It might deviate slightly
// from the configured period due to rounding.
func (pwm PWM) Period() uint64 {
var prescaler uint64
switch pwm.num {
case 0:
prescalerBits := avr.TCCR0B.Get() & 0x7
prescaler = uint64(timer0Prescalers[prescalerBits])
if prescaler == 0 {
return 0
}
case 1:
prescalerBits := avr.TCCR1.Get() & 0x0f
prescaler = uint64(timer1Prescalers[prescalerBits])
if prescaler == 0 {
return 0
}
}
top := uint64(pwm.Top())
return prescaler * top * 1000 / uint64(CPUFrequency()/1e6)
}
// Channel returns a PWM channel for the given pin.
func (pwm PWM) Channel(pin Pin) (uint8, error) {
pin.Configure(PinConfig{Mode: PinOutput})
pin.Low()
switch pwm.num {
case 0:
switch pin {
case PB0: // OC0A
avr.TCCR0A.SetBits(avr.TCCR0A_COM0A1)
return 0, nil
case PB1: // OC0B
avr.TCCR0A.SetBits(avr.TCCR0A_COM0B1)
return 1, nil
}
case 1:
switch pin {
case PB1: // OC1A
// Enable PWM on channel A
avr.TCCR1.SetBits(avr.TCCR1_PWM1A | avr.TCCR1_COM1A1)
return 0, nil
case PB4: // OC1B
// Enable PWM on channel B (controlled via GTCCR)
avr.GTCCR.SetBits(gtccrPWM1B | gtccrCOM1B1)
return 1, nil
}
}
return 0, ErrInvalidOutputPin
}
// SetInverting sets whether to invert the output of this channel.
// Without inverting, a 25% duty cycle would mean the output is high for 25% of
// the time and low for the rest. Inverting flips the output as if a NOT gate
// was placed at the output, meaning that the output would be 25% low and 75%
// high with a duty cycle of 25%.
func (pwm PWM) SetInverting(channel uint8, inverting bool) {
switch pwm.num {
case 0:
switch channel {
case 0: // channel A, PB0
if inverting {
avr.PORTB.SetBits(1 << 0)
avr.TCCR0A.SetBits(avr.TCCR0A_COM0A0)
} else {
avr.PORTB.ClearBits(1 << 0)
avr.TCCR0A.ClearBits(avr.TCCR0A_COM0A0)
}
case 1: // channel B, PB1
if inverting {
avr.PORTB.SetBits(1 << 1)
avr.TCCR0A.SetBits(avr.TCCR0A_COM0B0)
} else {
avr.PORTB.ClearBits(1 << 1)
avr.TCCR0A.ClearBits(avr.TCCR0A_COM0B0)
}
}
case 1:
switch channel {
case 0: // channel A, PB1
if inverting {
avr.PORTB.SetBits(1 << 1)
avr.TCCR1.SetBits(avr.TCCR1_COM1A0)
} else {
avr.PORTB.ClearBits(1 << 1)
avr.TCCR1.ClearBits(avr.TCCR1_COM1A0)
}
case 1: // channel B, PB4
if inverting {
avr.PORTB.SetBits(1 << 4)
avr.GTCCR.SetBits(gtccrCOM1B0)
} else {
avr.PORTB.ClearBits(1 << 4)
avr.GTCCR.ClearBits(gtccrCOM1B0)
}
}
}
}
// Set updates the channel value. This is used to control the channel duty
// cycle, in other words the fraction of time the channel output is high (or low
// when inverted). For example, to set it to a 25% duty cycle, use:
//
// pwm.Set(channel, pwm.Top() / 4)
//
// pwm.Set(channel, 0) will set the output to low and pwm.Set(channel,
// pwm.Top()) will set the output to high, assuming the output isn't inverted.
func (pwm PWM) Set(channel uint8, value uint32) {
switch pwm.num {
case 0:
switch channel {
case 0: // channel A, PB0
if value == 0 {
avr.TCCR0A.ClearBits(avr.TCCR0A_COM0A1)
} else {
avr.OCR0A.Set(uint8(value - 1))
avr.TCCR0A.SetBits(avr.TCCR0A_COM0A1)
}
case 1: // channel B, PB1
if value == 0 {
avr.TCCR0A.ClearBits(avr.TCCR0A_COM0B1)
} else {
avr.OCR0B.Set(uint8(value - 1))
avr.TCCR0A.SetBits(avr.TCCR0A_COM0B1)
}
}
case 1:
switch channel {
case 0: // channel A, PB1
if value == 0 {
avr.TCCR1.ClearBits(avr.TCCR1_COM1A1)
} else {
avr.OCR1A.Set(uint8(value - 1))
avr.TCCR1.SetBits(avr.TCCR1_COM1A1)
}
case 1: // channel B, PB4
if value == 0 {
avr.GTCCR.ClearBits(gtccrCOM1B1)
} else {
avr.OCR1B.Set(uint8(value - 1))
avr.GTCCR.SetBits(gtccrCOM1B1)
}
}
}
}
// SPIConfig is used to store config info for SPI.
type SPIConfig struct {
Frequency uint32
LSBFirst bool
Mode uint8
}
// SPI is the USI-based SPI implementation for ATTiny85.
// The ATTiny85 doesn't have dedicated SPI hardware, but uses the USI
// (Universal Serial Interface) in three-wire mode.
//
// Fixed pin mapping (directly controlled by USI hardware):
// - PB2: SCK (clock)
// - PB1: DO/MOSI (data out)
// - PB0: DI/MISO (data in)
//
// Note: CS pin must be managed by the user.
type SPI struct {
// Delay cycles for frequency control (0 = max speed)
delayCycles uint16
// USICR value configured for the selected SPI mode
usicrValue uint8
// LSB-first mode (requires software bit reversal)
lsbFirst bool
}
// SPI0 is the USI-based SPI interface on the ATTiny85
var SPI0 = SPI{}
// Configure sets up the USI for SPI communication.
// Note: The user must configure and control the CS pin separately.
func (s *SPI) Configure(config SPIConfig) error {
// Configure USI pins (fixed by hardware)
// PB1 (DO/MOSI) -> OUTPUT
// PB2 (USCK/SCK) -> OUTPUT
// PB0 (DI/MISO) -> INPUT
PB1.Configure(PinConfig{Mode: PinOutput})
PB2.Configure(PinConfig{Mode: PinOutput})
PB0.Configure(PinConfig{Mode: PinInput})
// Reset USI registers
avr.USIDR.Set(0)
avr.USISR.Set(0)
// Configure USI for SPI mode:
// - USIWM0: Three-wire mode (SPI)
// - USICS1: External clock source (software controlled via USITC)
// - USICLK: Clock strobe - enables counter increment on USITC toggle
// - USICS0: Controls clock phase (CPHA)
//
// SPI Modes:
// Mode 0 (CPOL=0, CPHA=0): Clock idle low, sample on rising edge
// Mode 1 (CPOL=0, CPHA=1): Clock idle low, sample on falling edge
// Mode 2 (CPOL=1, CPHA=0): Clock idle high, sample on falling edge
// Mode 3 (CPOL=1, CPHA=1): Clock idle high, sample on rising edge
//
// For USI, USICS0 controls the sampling edge when USICS1=1:
// USICS0=0: Positive edge (rising)
// USICS0=1: Negative edge (falling)
switch config.Mode {
case Mode0: // CPOL=0, CPHA=0: idle low, sample rising
PB2.Low()
s.usicrValue = avr.USICR_USIWM0 | avr.USICR_USICS1 | avr.USICR_USICLK
case Mode1: // CPOL=0, CPHA=1: idle low, sample falling
PB2.Low()
s.usicrValue = avr.USICR_USIWM0 | avr.USICR_USICS1 | avr.USICR_USICS0 | avr.USICR_USICLK
case Mode2: // CPOL=1, CPHA=0: idle high, sample falling
PB2.High()
s.usicrValue = avr.USICR_USIWM0 | avr.USICR_USICS1 | avr.USICR_USICS0 | avr.USICR_USICLK
case Mode3: // CPOL=1, CPHA=1: idle high, sample rising
PB2.High()
s.usicrValue = avr.USICR_USIWM0 | avr.USICR_USICS1 | avr.USICR_USICLK
default: // Default to Mode 0
PB2.Low()
s.usicrValue = avr.USICR_USIWM0 | avr.USICR_USICS1 | avr.USICR_USICLK
}
avr.USICR.Set(s.usicrValue)
// Calculate delay cycles for frequency control
// Each bit transfer requires 2 clock toggles (rising + falling edge)
// The loop overhead is approximately 10-15 cycles per toggle on AVR
// We calculate additional delay cycles needed to achieve the target frequency
if config.Frequency > 0 && config.Frequency < CPUFrequency()/2 {
// Cycles per half-period = CPUFrequency / (2 * Frequency)
// Subtract loop overhead (~15 cycles) to get delay cycles
cyclesPerHalfPeriod := CPUFrequency() / (2 * config.Frequency)
const loopOverhead = 15
if cyclesPerHalfPeriod > loopOverhead {
s.delayCycles = uint16(cyclesPerHalfPeriod - loopOverhead)
} else {
s.delayCycles = 0
}
} else {
// Max speed - no delay
s.delayCycles = 0
}
// Store LSBFirst setting for use in Transfer
s.lsbFirst = config.LSBFirst
return nil
}
// reverseByte reverses the bit order of a byte (MSB <-> LSB)
// Used for LSB-first SPI mode since USI hardware only supports MSB-first
func reverseByte(b byte) byte {
b = (b&0xF0)>>4 | (b&0x0F)<<4
b = (b&0xCC)>>2 | (b&0x33)<<2
b = (b&0xAA)>>1 | (b&0x55)<<1
return b
}
// Transfer performs a single byte SPI transfer (send and receive simultaneously)
// This implements the USI-based SPI transfer using the "clock strobing" technique
func (s *SPI) Transfer(b byte) (byte, error) {
// For LSB-first mode, reverse the bits before sending
// USI hardware only supports MSB-first, so we do it in software
if s.lsbFirst {
b = reverseByte(b)
}
// Load the byte to transmit into the USI Data Register
avr.USIDR.Set(b)
// Clear the counter overflow flag by writing 1 to it (AVR quirk)
// This also resets the 4-bit counter to 0
avr.USISR.Set(avr.USISR_USIOIF)
// Clock the data out/in
// We need 16 clock toggles (8 bits × 2 edges per bit)
// The USI counter counts each clock edge, so it overflows at 16
// After 16 toggles, the clock returns to its idle state (set by CPOL in Configure)
//
// IMPORTANT: Only toggle USITC here!
// - USITC toggles the clock pin
// - The USICR mode bits (USIWM0, USICS1, USICS0, USICLK) were set in Configure()
// - SetBits preserves those bits and only sets USITC
if s.delayCycles == 0 {
// Fast path: no delay, run at maximum speed
for !avr.USISR.HasBits(avr.USISR_USIOIF) {
avr.USICR.SetBits(avr.USICR_USITC)
}
} else {
// Frequency-controlled path: add delay between clock toggles
for !avr.USISR.HasBits(avr.USISR_USIOIF) {
avr.USICR.SetBits(avr.USICR_USITC)
// Delay loop for frequency control
// Each iteration is approximately 3 cycles on AVR (dec, brne)
for i := s.delayCycles; i > 0; i-- {
avr.Asm("nop")
}
}
}
// Get the received byte
result := avr.USIDR.Get()
// For LSB-first mode, reverse the received bits
if s.lsbFirst {
result = reverseByte(result)
}
return result, nil
}
+92
View File
@@ -509,6 +509,98 @@ func (uart *UART) writeByte(b byte) error {
func (uart *UART) flush() {}
type Serialer interface {
WriteByte(c byte) error
Write(data []byte) (n int, err error)
Configure(config UARTConfig) error
Buffered() int
ReadByte() (byte, error)
DTR() bool
RTS() bool
}
// USB Serial/JTAG Controller
// See esp32-c3_technical_reference_manual_en.pdf
// pg. 736
type USB_DEVICE struct {
Bus *esp.USB_DEVICE_Type
}
var (
_USBCDC = &USB_DEVICE{
Bus: esp.USB_DEVICE,
}
USBCDC Serialer = _USBCDC
)
var (
errUSBWrongSize = errors.New("USB: invalid write size")
errUSBCouldNotWriteAllData = errors.New("USB: could not write all data")
errUSBBufferEmpty = errors.New("USB: read buffer empty")
)
func (usbdev *USB_DEVICE) Configure(config UARTConfig) error {
return nil
}
func (usbdev *USB_DEVICE) WriteByte(c byte) error {
if usbdev.Bus.GetEP1_CONF_SERIAL_IN_EP_DATA_FREE() == 0 {
return errUSBCouldNotWriteAllData
}
usbdev.Bus.SetEP1_RDWR_BYTE(uint32(c))
usbdev.flush()
return nil
}
func (usbdev *USB_DEVICE) Write(data []byte) (n int, err error) {
if len(data) == 0 || len(data) > 64 {
return 0, errUSBWrongSize
}
for i, c := range data {
if usbdev.Bus.GetEP1_CONF_SERIAL_IN_EP_DATA_FREE() == 0 {
if i > 0 {
usbdev.flush()
}
return i, errUSBCouldNotWriteAllData
}
usbdev.Bus.SetEP1_RDWR_BYTE(uint32(c))
}
usbdev.flush()
return len(data), nil
}
func (usbdev *USB_DEVICE) Buffered() int {
return int(usbdev.Bus.GetEP1_CONF_SERIAL_OUT_EP_DATA_AVAIL())
}
func (usbdev *USB_DEVICE) ReadByte() (byte, error) {
if usbdev.Bus.GetEP1_CONF_SERIAL_OUT_EP_DATA_AVAIL() != 0 {
return byte(usbdev.Bus.GetEP1_RDWR_BYTE()), nil
}
return 0, nil
}
func (usbdev *USB_DEVICE) DTR() bool {
return false
}
func (usbdev *USB_DEVICE) RTS() bool {
return false
}
func (usbdev *USB_DEVICE) flush() {
usbdev.Bus.SetEP1_CONF_WR_DONE(1)
for usbdev.Bus.GetEP1_CONF_SERIAL_IN_EP_DATA_FREE() == 0 {
}
}
// GetRNG returns 32-bit random numbers using the ESP32-C3 true random number generator,
// Random numbers are generated based on the thermal noise in the system and the
// asynchronous clock mismatch.
-310
View File
@@ -1,310 +0,0 @@
//go:build esp32s3
package machine
import (
"device/esp"
"errors"
"runtime/volatile"
"unsafe"
)
const deviceName = esp.Device
const xtalClock = 40_000000 // 40MHz
const apbClock = 80_000000 // 80MHz
const cryptoPWMClock = 160_000000 // 160MHz
// GetCPUFrequency returns the current CPU frequency of the chip.
func GetCPUFrequency() (uint32, error) {
switch esp.SYSTEM.GetSYSCLK_CONF_SOC_CLK_SEL() {
case 0:
return xtalClock / (esp.SYSTEM.GetSYSCLK_CONF_PRE_DIV_CNT() + 1), nil
case 1:
switch esp.SYSTEM.GetCPU_PER_CONF_CPUPERIOD_SEL() {
case 0:
return 80e6, nil
case 1:
return 160e6, nil
case 2:
// If esp.SYSTEM.GetCPU_PER_CONF_PLL_FREQ_SEL() == 1, this is undefined
return 240e6, nil
}
case 2:
//RC Fast Clock
return (175e5) / (esp.SYSTEM.GetSYSCLK_CONF_PRE_DIV_CNT() + 1), nil
}
return 0, errors.New("machine: Unable to determine current cpu frequency")
}
// SetCPUFrequency sets the frequency of the CPU to one of several targets
func SetCPUFrequency(frequency uint32) error {
// Always assume we are on PLL. Lower frequencies can be set with a different
// clock source, but this will change the behavior of APB clock and Crypto PWM
// clock
//esp.SYSTEM.SetSYSCLK_CONF_SOC_CLK_SEL(1)
switch frequency {
case 80_000000:
esp.SYSTEM.SetCPU_PER_CONF_CPUPERIOD_SEL(0)
esp.SYSTEM.SetCPU_PER_CONF_PLL_FREQ_SEL(0) // Reduce PLL freq when possible
return nil
case 160_000000:
esp.SYSTEM.SetCPU_PER_CONF_CPUPERIOD_SEL(1)
esp.SYSTEM.SetCPU_PER_CONF_PLL_FREQ_SEL(0)
return nil
case 240_000000:
esp.SYSTEM.SetCPU_PER_CONF_PLL_FREQ_SEL(1) // Increase PLL freq when needed
esp.SYSTEM.SetCPU_PER_CONF_CPUPERIOD_SEL(2)
return nil
}
return errors.New("machine: Unsupported CPU frequency selected. Supported: 80, 160, 240 MHz")
}
var (
ErrInvalidSPIBus = errors.New("machine: invalid SPI bus")
)
const (
PinOutput PinMode = iota
PinInput
PinInputPullup
PinInputPulldown
)
// Hardware pin numbers
const (
GPIO0 Pin = 0
GPIO1 Pin = 1
GPIO2 Pin = 2
GPIO3 Pin = 3
GPIO4 Pin = 4
GPIO5 Pin = 5
GPIO6 Pin = 6
GPIO7 Pin = 7
GPIO8 Pin = 8
GPIO9 Pin = 9
GPIO10 Pin = 10
GPIO11 Pin = 11
GPIO12 Pin = 12
GPIO13 Pin = 13
GPIO14 Pin = 14
GPIO15 Pin = 15
GPIO16 Pin = 16
GPIO17 Pin = 17
GPIO18 Pin = 18
GPIO19 Pin = 19
GPIO20 Pin = 20
GPIO21 Pin = 21
GPIO26 Pin = 26
GPIO27 Pin = 27
GPIO28 Pin = 28
GPIO29 Pin = 29
GPIO30 Pin = 30
GPIO31 Pin = 31
GPIO32 Pin = 32
GPIO33 Pin = 33
GPIO34 Pin = 34
GPIO35 Pin = 35
GPIO36 Pin = 36
GPIO37 Pin = 37
GPIO38 Pin = 38
GPIO39 Pin = 39
GPIO40 Pin = 40
GPIO41 Pin = 41
GPIO42 Pin = 42
GPIO43 Pin = 43
GPIO44 Pin = 44
GPIO45 Pin = 45
GPIO46 Pin = 46
GPIO47 Pin = 47
GPIO48 Pin = 48
)
// Configure this pin with the given configuration.
func (p Pin) Configure(config PinConfig) {
// Output function 256 is a special value reserved for use as a regular GPIO
// pin. Peripherals (SPI etc) can set a custom output function by calling
// lowercase configure() instead with a signal name.
p.configure(config, 256)
}
// configure is the same as Configure, but allows for setting a specific input
// or output signal.
// Signals are always routed through the GPIO matrix for simplicity. Output
// signals are configured in FUNCx_OUT_SEL_CFG which selects a particular signal
// to output on a given pin. Input signals are configured in FUNCy_IN_SEL_CFG,
// which sets the pin to use for a particular input signal.
func (p Pin) configure(config PinConfig, signal uint32) {
if p == NoPin {
// This simplifies pin configuration in peripherals such as SPI.
return
}
ioConfig := uint32(0)
// MCU_SEL: Function 1 is always GPIO
ioConfig |= (1 << esp.IO_MUX_GPIO_MCU_SEL_Pos)
// FUN_IE: Make this pin an input pin (always set for GPIO operation)
ioConfig |= esp.IO_MUX_GPIO_FUN_IE
// DRV: Set drive strength to 20 mA as a default. Pins 17 and 18 are special
var drive uint32
if p == GPIO17 || p == GPIO18 {
drive = 1 // 20 mA
} else {
drive = 2 // 20 mA
}
ioConfig |= (drive << esp.IO_MUX_GPIO_FUN_DRV_Pos)
// WPU/WPD: Select pull mode.
if config.Mode == PinInputPullup {
ioConfig |= esp.IO_MUX_GPIO_FUN_WPU
} else if config.Mode == PinInputPulldown {
ioConfig |= esp.IO_MUX_GPIO_FUN_WPD
}
// Set configuration
ioRegister := p.ioMuxReg()
ioRegister.Set(ioConfig)
switch config.Mode {
case PinOutput:
// Set the 'output enable' bit.
if p < 32 {
esp.GPIO.ENABLE_W1TS.Set(1 << p)
} else {
esp.GPIO.ENABLE1_W1TS.Set(1 << (p - 32))
}
// Set the signal to read the output value from. It can be a peripheral
// output signal, or the special value 256 which indicates regular GPIO
// usage.
p.outFunc().Set(signal)
case PinInput, PinInputPullup, PinInputPulldown:
// Clear the 'output enable' bit.
if p < 32 {
esp.GPIO.ENABLE_W1TC.Set(1 << p)
} else {
esp.GPIO.ENABLE1_W1TC.Set(1 << (p - 32))
}
if signal != 256 {
// Signal is a peripheral function (not a simple GPIO). Connect this
// signal to the pin.
// Note that outFunc and inFunc work in the opposite direction.
// outFunc configures a pin to use a given output signal, while
// inFunc specifies a pin to use to read the signal from.
inFunc(signal).Set(esp.GPIO_FUNC_IN_SEL_CFG_SEL | uint32(p)<<esp.GPIO_FUNC_IN_SEL_CFG_IN_SEL_Pos)
}
}
}
// ioMuxReg returns the IO_MUX_n_REG register used for configuring the io mux for
// this pin
func (p Pin) ioMuxReg() *volatile.Register32 {
return (*volatile.Register32)(unsafe.Add(unsafe.Pointer(&esp.IO_MUX.GPIO0), uintptr(p)*4))
}
// outFunc returns the FUNCx_OUT_SEL_CFG register used for configuring the
// output function selection.
func (p Pin) outFunc() *volatile.Register32 {
return (*volatile.Register32)(unsafe.Add(unsafe.Pointer(&esp.GPIO.FUNC0_OUT_SEL_CFG), uintptr(p)*4))
}
// inFunc returns the FUNCy_IN_SEL_CFG register used for configuring the input
// function selection.
func inFunc(signal uint32) *volatile.Register32 {
return (*volatile.Register32)(unsafe.Add(unsafe.Pointer(&esp.GPIO.FUNC0_IN_SEL_CFG), uintptr(signal)*4))
}
// Set the pin to high or low.
// Warning: only use this on an output pin!
func (p Pin) Set(value bool) {
if value {
reg, mask := p.portMaskSet()
reg.Set(mask)
} else {
reg, mask := p.portMaskClear()
reg.Set(mask)
}
}
// Return the register and mask to enable a given GPIO pin. This can be used to
// implement bit-banged drivers.
//
// Warning: only use this on an output pin!
func (p Pin) PortMaskSet() (*uint32, uint32) {
reg, mask := p.portMaskSet()
return &reg.Reg, mask
}
// Return the register and mask to disable a given GPIO pin. This can be used to
// implement bit-banged drivers.
//
// Warning: only use this on an output pin!
func (p Pin) PortMaskClear() (*uint32, uint32) {
reg, mask := p.portMaskClear()
return &reg.Reg, mask
}
func (p Pin) portMaskSet() (*volatile.Register32, uint32) {
if p < 32 {
return &esp.GPIO.OUT_W1TS, 1 << p
} else {
return &esp.GPIO.OUT1_W1TS, 1 << (p - 32)
}
}
func (p Pin) portMaskClear() (*volatile.Register32, uint32) {
if p < 32 {
return &esp.GPIO.OUT_W1TC, 1 << p
} else {
return &esp.GPIO.OUT1_W1TC, 1 << (p - 32)
}
}
// Get returns the current value of a GPIO pin when the pin is configured as an
// input or as an output.
func (p Pin) Get() bool {
if p < 32 {
return esp.GPIO.IN.Get()&(1<<p) != 0
} else {
return esp.GPIO.IN1.Get()&(1<<(p-32)) != 0
}
}
var DefaultUART = UART0
var (
UART0 = &_UART0
_UART0 = UART{Bus: esp.UART0, Buffer: NewRingBuffer()}
UART1 = &_UART1
_UART1 = UART{Bus: esp.UART1, Buffer: NewRingBuffer()}
UART2 = &_UART2
_UART2 = UART{Bus: esp.UART2, Buffer: NewRingBuffer()}
)
type UART struct {
Bus *esp.UART_Type
Buffer *RingBuffer
}
func (uart *UART) Configure(config UARTConfig) {
if config.BaudRate == 0 {
config.BaudRate = 115200
}
// Crystal clock source is selected by default
uart.Bus.CLKDIV.Set(xtalClock / config.BaudRate)
}
func (uart *UART) writeByte(b byte) error {
for (uart.Bus.STATUS.Get()>>16)&0xff >= 128 {
// Read UART_TXFIFO_CNT from the status register, which indicates how
// many bytes there are in the transmit buffer. Wait until there are
// less than 128 bytes in this buffer (the default buffer size).
}
uart.Bus.FIFO.Set(uint32(b))
return nil
}
func (uart *UART) flush() {}
-460
View File
@@ -1,460 +0,0 @@
//go:build esp32s3
package machine
// ESP32-S3 SPI support based on ESP-IDF HAL
// Simple but correct implementation following spi_ll.h
// SPI0 = hardware SPI2 (FSPI), SPI1 = hardware SPI3 (HSPI)
// https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/api-reference/peripherals/spi_master.html
import (
"device/esp"
"errors"
"runtime/volatile"
"unsafe"
)
const (
SPI_MODE0 = uint8(0)
SPI_MODE1 = uint8(1)
SPI_MODE2 = uint8(2)
SPI_MODE3 = uint8(3)
// ESP32-S3 PLL clock frequency (same as ESP32-C3)
pplClockFreq = 80e6
// Default SPI frequency - maximum safe speed
SPI_DEFAULT_FREQUENCY = 80e6 // 80MHz
)
const (
// IO MUX function number for SPI direct connection
SPI_IOMUX_FUNC = 4
)
// ESP32-S3 GPIO Matrix signal indices for SPI - CORRECTED from ESP-IDF gpio_sig_map.h
const (
// SPI2 (FSPI) signals - Hardware SPI2 - CORRECT VALUES from ESP-IDF
SPI2_CLK_OUT_IDX = uint32(101) // FSPICLK_OUT_IDX
SPI2_CLK_IN_IDX = uint32(101) // FSPICLK_IN_IDX
SPI2_Q_OUT_IDX = uint32(102) // FSPIQ_OUT_IDX (MISO)
SPI2_Q_IN_IDX = uint32(102) // FSPIQ_IN_IDX
SPI2_D_OUT_IDX = uint32(103) // FSPID_OUT_IDX (MOSI)
SPI2_D_IN_IDX = uint32(103) // FSPID_IN_IDX
SPI2_CS0_OUT_IDX = uint32(110) // FSPICS0_OUT_IDX
// SPI3 (HSPI) signals - Hardware SPI3 - CORRECTED from ESP-IDF gpio_sig_map.h
// Source: /esp-idf/components/soc/esp32s3/include/soc/gpio_sig_map.h
SPI3_CLK_OUT_IDX = uint32(66) // Line 136: SPI3_CLK_OUT_IDX
SPI3_CLK_IN_IDX = uint32(66) // Line 135: SPI3_CLK_IN_IDX
SPI3_Q_OUT_IDX = uint32(67) // Line 138: SPI3_Q_OUT_IDX (MISO)
SPI3_Q_IN_IDX = uint32(67) // Line 137: SPI3_Q_IN_IDX
SPI3_D_OUT_IDX = uint32(68) // Line 140: SPI3_D_OUT_IDX (MOSI)
SPI3_D_IN_IDX = uint32(68) // Line 139: SPI3_D_IN_IDX
SPI3_CS0_OUT_IDX = uint32(71) // Line 146: SPI3_CS0_OUT_IDX
)
type SPI struct {
Bus interface{}
busID uint8
}
var (
SPI0 = &SPI{Bus: esp.SPI2, busID: 2} // Primary SPI (FSPI)
SPI1 = &SPI{Bus: esp.SPI3, busID: 3} // Secondary SPI (HSPI)
)
type SPIConfig struct {
Frequency uint32
SCK Pin // Serial Clock
SDO Pin // Serial Data Out (MOSI)
SDI Pin // Serial Data In (MISO)
CS Pin // Chip Select (optional)
LSBFirst bool // MSB is default
Mode uint8 // SPI_MODE0 is default
}
// Configure and make the SPI peripheral ready to use.
// Implementation following ESP-IDF HAL with GPIO Matrix routing
func (spi *SPI) Configure(config SPIConfig) error {
// Set default
if config.Frequency == 0 {
config.Frequency = SPI_DEFAULT_FREQUENCY
}
switch spi.busID {
case 2: // SPI2 (FSPI)
if config.SCK == 0 {
config.SCK = SPI1_SCK_PIN
}
if config.SDO == 0 {
config.SDO = SPI1_MOSI_PIN
}
if config.SDI == 0 {
config.SDI = SPI1_MISO_PIN
}
case 3: // SPI3 (HSPI)
if config.SCK == 0 {
config.SCK = SPI2_SCK_PIN
}
if config.SDO == 0 {
config.SDO = SPI2_MOSI_PIN
}
if config.SDI == 0 {
config.SDI = SPI2_MISO_PIN
}
default:
}
// Get GPIO Matrix signal indices for this SPI bus
var sckOutIdx, mosiOutIdx, misoInIdx, csOutIdx uint32
switch spi.busID {
case 2: // SPI2 (FSPI)
sckOutIdx = SPI2_CLK_OUT_IDX
mosiOutIdx = SPI2_D_OUT_IDX
misoInIdx = SPI2_Q_IN_IDX
csOutIdx = SPI2_CS0_OUT_IDX
case 3: // SPI3 (HSPI)
sckOutIdx = SPI3_CLK_OUT_IDX
mosiOutIdx = SPI3_D_OUT_IDX
misoInIdx = SPI3_Q_IN_IDX
csOutIdx = SPI3_CS0_OUT_IDX
default:
return ErrInvalidSPIBus
}
// Check if we can use IO MUX direct connection for better performance
if isDefaultSPIPins(spi.busID, config) {
// Use IO MUX direct connection - better signal quality and performance
// Configure pins using IO MUX direct connection (SPI function)
if config.SCK != NoPin {
config.SCK.configure(PinConfig{Mode: PinOutput}, SPI_IOMUX_FUNC)
}
if config.SDO != NoPin {
config.SDO.configure(PinConfig{Mode: PinOutput}, SPI_IOMUX_FUNC)
}
if config.SDI != NoPin {
config.SDI.configure(PinConfig{Mode: PinInput}, SPI_IOMUX_FUNC)
}
if config.CS != NoPin {
config.CS.configure(PinConfig{Mode: PinOutput}, SPI_IOMUX_FUNC)
}
} else {
// Use GPIO Matrix routing - more flexible but slightly slower
// Configure SDI (MISO) pin
if config.SDI != NoPin {
config.SDI.Configure(PinConfig{Mode: PinInput})
inFunc(misoInIdx).Set(esp.GPIO_FUNC_IN_SEL_CFG_SEL | uint32(config.SDI))
}
// Configure SDO (MOSI) pin
if config.SDO != NoPin {
config.SDO.Configure(PinConfig{Mode: PinOutput})
config.SDO.outFunc().Set(mosiOutIdx)
}
// Configure SCK (Clock) pin
if config.SCK != NoPin {
config.SCK.Configure(PinConfig{Mode: PinOutput})
config.SCK.outFunc().Set(sckOutIdx)
}
// Configure CS (Chip Select) pin
if config.CS != NoPin {
config.CS.Configure(PinConfig{Mode: PinOutput})
config.CS.outFunc().Set(csOutIdx)
}
}
// Enable peripheral clock and reset
// Without bootloader, we need to be more explicit about clock initialization
switch spi.busID {
case 2: // Hardware SPI2 (FSPI)
esp.SYSTEM.SetPERIP_CLK_EN0_SPI2_CLK_EN(1)
esp.SYSTEM.SetPERIP_RST_EN0_SPI2_RST(1)
esp.SYSTEM.SetPERIP_RST_EN0_SPI2_RST(0)
case 3: // Hardware SPI3 (HSPI)
esp.SYSTEM.SetPERIP_CLK_EN0_SPI3_CLK_EN(1)
esp.SYSTEM.SetPERIP_RST_EN0_SPI3_RST(1)
esp.SYSTEM.SetPERIP_RST_EN0_SPI3_RST(0)
}
// Get bus handle - both SPI2 and SPI3 use SPI2_Type
bus, ok := spi.Bus.(*esp.SPI2_Type)
if !ok {
return ErrInvalidSPIBus
}
// Reset timing: cs_setup_time = 0, cs_hold_time = 0
bus.USER1.Set(0)
// Use all 64 bytes of the buffer
bus.SetUSER_USR_MISO_HIGHPART(0)
bus.SetUSER_USR_MOSI_HIGHPART(0)
// Disable unneeded interrupts and clear all USER bits first
bus.SLAVE.Set(0)
bus.USER.Set(0)
// Clear other important registers like ESP32-C3
bus.MISC.Set(0)
bus.CTRL.Set(0)
bus.CLOCK.Set(0)
// Clear data buffers like ESP32-C3
bus.W0.Set(0)
bus.W1.Set(0)
bus.W2.Set(0)
bus.W3.Set(0)
// Configure master clock gate - CRITICAL: need CLK_EN bit!
bus.SetCLK_GATE_CLK_EN(1) // Enable basic SPI clock (bit 0)
bus.SetCLK_GATE_MST_CLK_ACTIVE(1) // Enable master clock (bit 1)
bus.SetCLK_GATE_MST_CLK_SEL(1) // Select master clock (bit 2)
// Configure DMA following ESP-IDF HAL
// Reset DMA configuration
bus.DMA_CONF.Set(0)
// Set DMA segment transaction clear enable bits
bus.SetDMA_CONF_SLV_TX_SEG_TRANS_CLR_EN(1)
bus.SetDMA_CONF_SLV_RX_SEG_TRANS_CLR_EN(1)
// dma_seg_trans_en = 0 (already 0 from DMA_CONF.Set(0))
// Configure master mode
bus.SetUSER_USR_MOSI(1) // Enable MOSI
bus.SetUSER_USR_MISO(1) // Enable MISO
bus.SetUSER_DOUTDIN(1) // Full-duplex mode
bus.SetCTRL_WR_BIT_ORDER(0) // MSB first
bus.SetCTRL_RD_BIT_ORDER(0) // MSB first
// CRITICAL: Enable clock output (from working test)
bus.SetMISC_CK_DIS(0) // Enable CLK output - THIS IS KEY!
// Configure SPI mode (CPOL/CPHA) following ESP-IDF HAL
switch config.Mode {
case SPI_MODE0:
// CPOL=0, CPHA=0 (default)
case SPI_MODE1:
bus.SetUSER_CK_OUT_EDGE(1) // CPHA=1
case SPI_MODE2:
bus.SetMISC_CK_IDLE_EDGE(1) // CPOL=1
bus.SetUSER_CK_OUT_EDGE(1) // CPHA=1
case SPI_MODE3:
bus.SetMISC_CK_IDLE_EDGE(1) // CPOL=1
}
// Configure SPI bus clock using ESP32-C3 algorithm for better accuracy
bus.CLOCK.Set(freqToClockDiv(config.Frequency))
return nil
}
// Transfer writes/reads a single byte using the SPI interface.
// Implementation following ESP-IDF HAL spi_ll_user_start with proper USER register setup
func (spi *SPI) Transfer(w byte) (byte, error) {
// Both SPI2 and SPI3 use SPI2_Type
bus, ok := spi.Bus.(*esp.SPI2_Type)
if !ok {
return 0, errors.New("invalid SPI bus type")
}
// Set transfer length (8 bits = 7 in register)
bus.SetMS_DLEN_MS_DATA_BITLEN(7)
// Clear any pending interrupt flags BEFORE starting transaction
bus.SetDMA_INT_CLR_TRANS_DONE_INT_CLR(1)
// Write data to buffer (use W0 register)
bus.W0.Set(uint32(w))
// CRITICAL: Apply configuration before transmission (like ESP-IDF spi_ll_apply_config)
bus.SetCMD_UPDATE(1)
for bus.GetCMD_UPDATE() != 0 {
// Wait for config to be applied
}
// Start transaction following ESP-IDF HAL spi_ll_user_start
bus.SetCMD_USR(1)
// Wait for completion using CMD_USR flag (like ESP32-C3 approach)
// Hardware clears CMD_USR when transaction is complete
timeout := 100000
for bus.GetCMD_USR() != 0 && timeout > 0 {
timeout--
// Wait for CMD_USR to be cleared by hardware
}
if timeout == 0 {
return 0, errors.New("SPI transfer timeout")
}
// Read received data from W0 register
result := byte(bus.W0.Get() & 0xFF)
return result, nil
}
// Tx handles read/write operation for SPI interface. Since SPI is a synchronous write/read
// interface, there must always be the same number of bytes written as bytes read.
// This is accomplished by sending zero bits if r is bigger than w or discarding
// the incoming data if w is bigger than r.
// Optimized implementation ported from ESP32-C3 for better performance.
func (spi *SPI) Tx(w, r []byte) error {
toTransfer := len(w)
if len(r) > toTransfer {
toTransfer = len(r)
}
// Get bus handle - both SPI2 and SPI3 use SPI2_Type
bus, ok := spi.Bus.(*esp.SPI2_Type)
if !ok {
return ErrInvalidSPIBus
}
for toTransfer > 0 {
// Chunk 64 bytes at a time.
chunkSize := toTransfer
if chunkSize > 64 {
chunkSize = 64
}
// Fill tx buffer.
transferWords := (*[16]volatile.Register32)(unsafe.Add(unsafe.Pointer(&bus.W0), 0))
if len(w) >= 64 {
// We can fill the entire 64-byte transfer buffer with data.
// This loop is slightly faster than the loop below.
for i := 0; i < 16; i++ {
word := uint32(w[i*4]) | uint32(w[i*4+1])<<8 | uint32(w[i*4+2])<<16 | uint32(w[i*4+3])<<24
transferWords[i].Set(word)
}
} else {
// We can't fill the entire transfer buffer, so we need to be a bit
// more careful.
// Note that parts of the transfer buffer that aren't used still
// need to be set to zero, otherwise we might be transferring
// garbage from a previous transmission if w is smaller than r.
for i := 0; i < 16; i++ {
var word uint32
if i*4+3 < len(w) {
word |= uint32(w[i*4+3]) << 24
}
if i*4+2 < len(w) {
word |= uint32(w[i*4+2]) << 16
}
if i*4+1 < len(w) {
word |= uint32(w[i*4+1]) << 8
}
if i*4+0 < len(w) {
word |= uint32(w[i*4+0]) << 0
}
transferWords[i].Set(word)
}
}
// Do the transfer.
bus.SetMS_DLEN_MS_DATA_BITLEN(uint32(chunkSize)*8 - 1)
bus.SetCMD_UPDATE(1)
for bus.GetCMD_UPDATE() != 0 {
}
bus.SetCMD_USR(1)
for bus.GetCMD_USR() != 0 {
}
// Read rx buffer.
rxSize := chunkSize
if rxSize > len(r) {
rxSize = len(r)
}
for i := 0; i < rxSize; i++ {
r[i] = byte(transferWords[i/4].Get() >> ((i % 4) * 8))
}
// Cut off some part of the output buffer so the next iteration we will
// only send the remaining bytes.
if len(w) < chunkSize {
w = nil
} else {
w = w[chunkSize:]
}
if len(r) < chunkSize {
r = nil
} else {
r = r[chunkSize:]
}
toTransfer -= chunkSize
}
return nil
}
// Compute the SPI bus frequency from the APB clock frequency.
// Note: APB clock is always 80MHz on ESP32-S3, independent of CPU frequency.
// Ported from ESP32-C3 implementation for better accuracy.
func freqToClockDiv(hz uint32) uint32 {
// Use APB clock frequency (80MHz), not CPU frequency!
// SPI peripheral is connected to APB bus which stays at 80MHz
const apbFreq = pplClockFreq // 80MHz
if hz >= apbFreq { // maximum frequency
return 1 << 31
}
if hz < (apbFreq / (16 * 64)) { // minimum frequency
return 15<<18 | 63<<12 | 31<<6 | 63 // pre=15, n=63
}
// iterate looking for an exact match
// or iterate all 16 prescaler options
// looking for the smallest error
var bestPre, bestN, bestErr uint32
bestN = 1
bestErr = 0xffffffff
q := uint32(float32(apbFreq)/float32(hz) + float32(0.5))
for p := uint32(0); p < 16; p++ {
n := q/(p+1) - 1
if n < 1 { // prescaler became too large, stop enum
break
}
if n > 63 { // prescaler too small, skip to next
continue
}
freq := apbFreq / ((p + 1) * (n + 1))
if freq == hz { // exact match
return p<<18 | n<<12 | (n/2)<<6 | n
}
var err uint32
if freq < hz {
err = hz - freq
} else {
err = freq - hz
}
if err < bestErr {
bestErr = err
bestPre = p
bestN = n
}
}
return bestPre<<18 | bestN<<12 | (bestN/2)<<6 | bestN
}
// isDefaultSPIPins checks if the given pins match the default SPI pin configuration
// that supports IO MUX direct connection for better performance
func isDefaultSPIPins(busID uint8, config SPIConfig) bool {
switch busID {
case 2: // SPI2 (FSPI)
return config.SCK == SPI1_SCK_PIN &&
config.SDO == SPI1_MOSI_PIN &&
config.SDI == SPI1_MISO_PIN &&
(config.CS == SPI1_CS_PIN || config.CS == NoPin)
case 3: // SPI3 (HSPI)
return config.SCK == SPI2_SCK_PIN &&
config.SDO == SPI2_MOSI_PIN &&
config.SDI == SPI2_MISO_PIN &&
(config.CS == SPI2_CS_PIN || config.CS == NoPin)
default:
return false
}
}
-102
View File
@@ -1,102 +0,0 @@
//go:build esp32s3 || esp32c3
package machine
import (
"device/esp"
"errors"
)
// USB Serial/JTAG Controller
// See esp32-c3_technical_reference_manual_en.pdf
// pg. 736
type USB_DEVICE struct {
Bus *esp.USB_DEVICE_Type
}
var (
_USBCDC = &USB_DEVICE{
Bus: esp.USB_DEVICE,
}
USBCDC Serialer = _USBCDC
)
var (
errUSBWrongSize = errors.New("USB: invalid write size")
errUSBCouldNotWriteAllData = errors.New("USB: could not write all data")
errUSBBufferEmpty = errors.New("USB: read buffer empty")
)
type Serialer interface {
WriteByte(c byte) error
Write(data []byte) (n int, err error)
Configure(config UARTConfig) error
Buffered() int
ReadByte() (byte, error)
DTR() bool
RTS() bool
}
func initUSB() {}
func (usbdev *USB_DEVICE) Configure(config UARTConfig) error {
return nil
}
func (usbdev *USB_DEVICE) WriteByte(c byte) error {
if usbdev.Bus.GetEP1_CONF_SERIAL_IN_EP_DATA_FREE() == 0 {
return errUSBCouldNotWriteAllData
}
usbdev.Bus.SetEP1_RDWR_BYTE(uint32(c))
usbdev.flush()
return nil
}
func (usbdev *USB_DEVICE) Write(data []byte) (n int, err error) {
if len(data) == 0 || len(data) > 64 {
return 0, errUSBWrongSize
}
for i, c := range data {
if usbdev.Bus.GetEP1_CONF_SERIAL_IN_EP_DATA_FREE() == 0 {
if i > 0 {
usbdev.flush()
}
return i, errUSBCouldNotWriteAllData
}
usbdev.Bus.SetEP1_RDWR_BYTE(uint32(c))
}
usbdev.flush()
return len(data), nil
}
func (usbdev *USB_DEVICE) Buffered() int {
return int(usbdev.Bus.GetEP1_CONF_SERIAL_OUT_EP_DATA_AVAIL())
}
func (usbdev *USB_DEVICE) ReadByte() (byte, error) {
if usbdev.Bus.GetEP1_CONF_SERIAL_OUT_EP_DATA_AVAIL() != 0 {
return byte(usbdev.Bus.GetEP1_RDWR_BYTE()), nil
}
return 0, nil
}
func (usbdev *USB_DEVICE) DTR() bool {
return false
}
func (usbdev *USB_DEVICE) RTS() bool {
return false
}
func (usbdev *USB_DEVICE) flush() {
usbdev.Bus.SetEP1_CONF_WR_DONE(1)
for usbdev.Bus.GetEP1_CONF_SERIAL_IN_EP_DATA_FREE() == 0 {
}
}
-118
View File
@@ -3,9 +3,7 @@
package machine
import (
"device/arm"
"device/nrf"
"errors"
"internal/binary"
"runtime/interrupt"
"unsafe"
@@ -382,10 +380,6 @@ func (f flashBlockDevice) ReadAt(p []byte, off int64) (n int, err error) {
// If the length of p is not long enough it will be padded with 0xFF bytes.
// This method assumes that the destination is already erased.
func (f flashBlockDevice) WriteAt(p []byte, off int64) (n int, err error) {
if len(p) == 0 {
return 0, nil // nothing to do (and it would fail in sd_flash_write)
}
if FlashDataStart()+uintptr(off)+uintptr(len(p)) > FlashDataEnd() {
return 0, errFlashCannotWritePastEOF
}
@@ -393,35 +387,6 @@ func (f flashBlockDevice) WriteAt(p []byte, off int64) (n int, err error) {
address := FlashDataStart() + uintptr(off)
padded := flashPad(p, int(f.WriteBlockSize()))
// When the SoftDevice is enabled, access to the flash is restricted and
// must go through the SoftDevice API.
if isSoftDeviceEnabled() {
// Call sd_flash_write, which is SVC_SOC_BASE + 9 in all the
// SoftDevices I've checked.
// Documentation:
// https://docs.nordicsemi.com/bundle/s140_v6.0.0_api/page/group_n_r_f_s_o_c_f_u_n_c_t_i_o_n_s.html
numberOfWords := len(padded) / 4 // flash access goes in 32-bit words
result := arm.SVCall3(0x20+9, address, &padded[0], uint32(numberOfWords))
if result != 0 {
// Could not queue flash operation? Not sure when this can
// happen.
return 0, flashError
}
// Wait until the SoftDevice is finished.
flashStatus = flashStatusBusy
for flashStatus == flashStatusBusy {
handleSoftDeviceEvents()
}
// Check whether the operation was successful.
if flashStatus != flashStatusOk {
flashStatus = flashStatusOk
return 0, flashError
}
return len(p), nil
}
waitWhileFlashBusy()
nrf.NVMC.SetCONFIG_WEN(nrf.NVMC_CONFIG_WEN_Wen)
@@ -463,40 +428,6 @@ func (f flashBlockDevice) EraseBlockSize() int64 {
// supports this. The start and len parameters are in block numbers, use
// EraseBlockSize to map addresses to blocks.
func (f flashBlockDevice) EraseBlocks(start, len int64) error {
// When the SoftDevice is enabled, access to the flash is restricted and
// must go through the SoftDevice API.
if isSoftDeviceEnabled() {
for i := range uint32(len) {
flashPage := uint32(FlashDataStart())/eraseBlockSizeValue + uint32(start) + i
// Call sd_flash_page_erase, which is SVC_SOC_BASE + 8 in all the
// SoftDevices I've checked.
// Documentation:
// https://docs.nordicsemi.com/bundle/s140_v6.0.0_api/page/group_n_r_f_s_o_c_f_u_n_c_t_i_o_n_s.html#ga9c93dd94a138ad8b5ed3693ea38ffb3e
result := arm.SVCall1(0x20+8, flashPage)
if result != 0 {
// Could not queue flash operation? Not sure when this can
// happen.
return flashError
}
// Wait until the SoftDevice is finished.
flashStatus = flashStatusBusy
for flashStatus == flashStatusBusy {
handleSoftDeviceEvents()
}
// Check whether the operation was successful.
if flashStatus != flashStatusOk {
flashStatus = flashStatusOk
return flashError
}
}
return nil
}
// SoftDevice is not used or enabled. Use NVIC directly.
address := FlashDataStart() + uintptr(start*f.EraseBlockSize())
waitWhileFlashBusy()
@@ -516,52 +447,3 @@ func waitWhileFlashBusy() {
for nrf.NVMC.GetREADY() != nrf.NVMC_READY_READY_Ready {
}
}
var flashError = errors.New("machine: flash operation failed")
const (
flashStatusOk = iota
flashStatusError
flashStatusBusy
)
var flashStatus uint8 = flashStatusOk
var sdEvent uint32
// Process all queued SoftDevice events. May only be called when the SoftDevice is enabled.
//
// Normally these are handled in the same interrupt where Bluetooth events are
// handled. But in TinyGo, that's complicated. One option would be to put it in
// the tinygo.org/x/bluetooth package, but that would cause a circular
// dependency between the machine and the bluetooth package. Another would be to
// put it here, but let the bluetooth package call handleSoftDeviceEvents, but
// that relies on updating the bluetooth package at the same time. As a
// compromise, these events are handled directly where they are expected (here
// in the machine package). This works in practice since there are only very few
// of such events (at the moment, only flash-related ones which is in the
// machine package anyway).
func handleSoftDeviceEvents() {
for {
var result uintptr
if nrf.Device == "nrf52" || nrf.Device == "nrf52840" || nrf.Device == "nrf52833" {
// sd_evt_get: SOC_SVC_BASE_NOT_AVAILABLE + 31
result = arm.SVCall1(0x2C+31, &sdEvent)
} else {
return // TODO: nrf51 etc
}
if result != 0 {
// Some error occured. The only possible error is
// NRF_ERROR_NOT_FOUND, which means there are no more events.
return
}
// The following events are the same numbers in all SoftDevices I've checked.
switch sdEvent {
case 2: // NRF_EVT_FLASH_OPERATION_SUCCESS
flashStatus = flashStatusOk
case 3: // NRF_EVT_FLASH_OPERATION_ERROR
flashStatus = flashStatusError
}
}
}
-2
View File
@@ -69,5 +69,3 @@ const eraseBlockSizeValue = 4096
func eraseBlockSize() int64 {
return eraseBlockSizeValue
}
const spiMaxBufferSize = 255 // from the datasheet: TXD.MAXCNT and RXD.MAXCNT
-2
View File
@@ -90,5 +90,3 @@ const eraseBlockSizeValue = 4096
func eraseBlockSize() int64 {
return eraseBlockSizeValue
}
const spiMaxBufferSize = 0xffff // from the datasheet: TXD.MAXCNT and RXD.MAXCNT
-6
View File
@@ -108,9 +108,3 @@ const eraseBlockSizeValue = 4096
func eraseBlockSize() int64 {
return eraseBlockSizeValue
}
const spiMaxBufferSize = 0xffff // from the datasheet: TXD.MAXCNT and RXD.MAXCNT
// ADC instance for the VDDH input pin. This pin is typically connected to USB
// input voltage (~5V) or directly to a battery.
var ADC_VDDH = ADC{adcVDDHPin}
+19 -18
View File
@@ -256,7 +256,7 @@ func initEndpoint(ep, config uint32) {
// SendUSBInPacket sends a packet for USBHID (interrupt in / bulk in).
func SendUSBInPacket(ep uint32, data []byte) bool {
sendUSBPacket(ep, data)
sendUSBPacket(ep, data, 0)
// clear transfer complete flag
nrf.USBD.INTENCLR.Set(nrf.USBD_INTENCLR_ENDEPOUT0 << 4)
@@ -267,32 +267,33 @@ func SendUSBInPacket(ep uint32, data []byte) bool {
// Prevent file size increases: https://github.com/tinygo-org/tinygo/pull/998
//
//go:noinline
func sendUSBPacket(ep uint32, data []byte) {
// Select the corresponding buffer.
func sendUSBPacket(ep uint32, data []byte, maxsize uint16) {
count := len(data)
var buffer []byte
if 0 < int(maxsize) && int(maxsize) < count {
count = int(maxsize)
}
if ep == 0 {
buffer = udd_ep_control_cache_buffer[:]
copy(udd_ep_control_cache_buffer[:], data[:count])
if count > usb.EndpointPacketSize {
// The packet must be sent in chunks.
sendOnEP0DATADONE.offset = usb.EndpointPacketSize
sendOnEP0DATADONE.ptr = &udd_ep_control_cache_buffer[usb.EndpointPacketSize]
sendOnEP0DATADONE.ptr = &udd_ep_control_cache_buffer[sendOnEP0DATADONE.offset]
sendOnEP0DATADONE.count = count - usb.EndpointPacketSize
count = usb.EndpointPacketSize
}
sendViaEPIn(
ep,
&udd_ep_control_cache_buffer[0],
count,
)
} else {
buffer = udd_ep_in_cache_buffer[ep][:]
copy(udd_ep_in_cache_buffer[ep][:], data[:count])
sendViaEPIn(
ep,
&udd_ep_in_cache_buffer[ep][0],
count,
)
}
// Copy the packet to the buffer.
copy(buffer[:len(data)], data)
// Send the first chunk of the packet.
sendViaEPIn(
ep,
&buffer[0],
count,
)
}
func handleEndpointRx(ep uint32) []byte {
+4 -17
View File
@@ -49,7 +49,7 @@ func (i2c *I2C) Tx(addr uint16, w, r []byte) (err error) {
// Configure for a single shot to perform both write and read (as applicable)
if len(w) != 0 {
i2c.Bus.TXD.PTR.Set(uint32(unsafeNoEscape(unsafe.Pointer(unsafe.SliceData(w)))))
i2c.Bus.TXD.PTR.Set(uint32(uintptr(unsafe.Pointer(&w[0]))))
i2c.Bus.TXD.MAXCNT.Set(uint32(len(w)))
// If no read, immediately signal stop after TX
@@ -58,7 +58,7 @@ func (i2c *I2C) Tx(addr uint16, w, r []byte) (err error) {
}
}
if len(r) != 0 {
i2c.Bus.RXD.PTR.Set(uint32(unsafeNoEscape(unsafe.Pointer(unsafe.SliceData(r)))))
i2c.Bus.RXD.PTR.Set(uint32(uintptr(unsafe.Pointer(&r[0]))))
i2c.Bus.RXD.MAXCNT.Set(uint32(len(r)))
// Auto-start Rx after Tx and Stop after Rx
@@ -89,11 +89,6 @@ func (i2c *I2C) Tx(addr uint16, w, r []byte) (err error) {
}
}
// Make sure the w and r buffers stay alive until this point, so they won't
// be garbage collected while the buffers are used by the hardware.
keepAliveNoEscape(unsafe.Pointer(unsafe.SliceData(w)))
keepAliveNoEscape(unsafe.Pointer(unsafe.SliceData(r)))
return
}
@@ -122,7 +117,7 @@ func (i2c *I2C) Listen(addr uint8) error {
//
// For request events, the caller MUST call `Reply` to avoid hanging the i2c bus indefinitely.
func (i2c *I2C) WaitForEvent(buf []byte) (evt I2CTargetEvent, count int, err error) {
i2c.BusT.RXD.PTR.Set(uint32(unsafeNoEscape(unsafe.Pointer(unsafe.SliceData(buf)))))
i2c.BusT.RXD.PTR.Set(uint32(uintptr(unsafe.Pointer(&buf[0]))))
i2c.BusT.RXD.MAXCNT.Set(uint32(len(buf)))
i2c.BusT.TASKS_PREPARERX.Set(nrf.TWIS_TASKS_PREPARERX_TASKS_PREPARERX_Trigger)
@@ -139,10 +134,6 @@ func (i2c *I2C) WaitForEvent(buf []byte) (evt I2CTargetEvent, count int, err err
}
}
// Make sure buf stays alive until this point, so it won't be garbage
// collected while it is used by the hardware.
keepAliveNoEscape(unsafe.Pointer(unsafe.SliceData(buf)))
count = 0
evt = I2CFinish
err = nil
@@ -172,7 +163,7 @@ func (i2c *I2C) WaitForEvent(buf []byte) (evt I2CTargetEvent, count int, err err
// Reply supplies the response data the controller.
func (i2c *I2C) Reply(buf []byte) error {
i2c.BusT.TXD.PTR.Set(uint32(unsafeNoEscape(unsafe.Pointer(unsafe.SliceData(buf)))))
i2c.BusT.TXD.PTR.Set(uint32(uintptr(unsafe.Pointer(&buf[0]))))
i2c.BusT.TXD.MAXCNT.Set(uint32(len(buf)))
i2c.BusT.EVENTS_STOPPED.Set(0)
@@ -189,10 +180,6 @@ func (i2c *I2C) Reply(buf []byte) error {
}
}
// Make sure the buffer stays alive until this point, so it won't be garbage
// collected while it is used by the hardware.
keepAliveNoEscape(unsafe.Pointer(unsafe.SliceData(buf)))
i2c.BusT.EVENTS_STOPPED.Set(0)
return nil
+24 -37
View File
@@ -12,8 +12,6 @@ func CPUFrequency() uint32 {
return 64000000
}
var adcVDDHPin = Pin(254) // special pin number for VDDH on the nrf52840
// InitADC initializes the registers needed for ADC.
func InitADC() {
// Enable ADC.
@@ -28,7 +26,7 @@ func InitADC() {
// Samples can be 1(default), 2, 4, 8, 16, 32, 64, 128, 256 samples
func (a *ADC) Configure(config ADCConfig) {
var configVal uint32 = nrf.SAADC_CH_CONFIG_RESP_Bypass<<nrf.SAADC_CH_CONFIG_RESP_Pos |
nrf.SAADC_CH_CONFIG_RESN_Bypass<<nrf.SAADC_CH_CONFIG_RESN_Pos |
nrf.SAADC_CH_CONFIG_RESP_Bypass<<nrf.SAADC_CH_CONFIG_RESN_Pos |
nrf.SAADC_CH_CONFIG_REFSEL_Internal<<nrf.SAADC_CH_CONFIG_REFSEL_Pos |
nrf.SAADC_CH_CONFIG_MODE_SE<<nrf.SAADC_CH_CONFIG_MODE_Pos
@@ -118,43 +116,36 @@ func (a *ADC) Configure(config ADCConfig) {
// Get returns the current value of an ADC pin in the range 0..0xffff.
func (a *ADC) Get() uint16 {
var adcPin uint32
var pwmPin uint32
var rawValue volatile.Register16
switch a.Pin {
case 2:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput0
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput0
case 3:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput1
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput1
case 4:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput2
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput2
case 5:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput3
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput3
case 28:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput4
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput4
case 29:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput5
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput5
case 30:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput6
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput6
case 31:
adcPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput7
case adcVDDHPin:
if Device == "nrf52840" {
adcPin = 0x0D // VDDHDIV5 on the nrf52840
} else {
return 0
}
pwmPin = nrf.SAADC_CH_PSELP_PSELP_AnalogInput7
default:
return 0
}
// Set pin to read.
nrf.SAADC.CH[0].PSELP.Set(adcPin)
nrf.SAADC.CH[0].PSELN.Set(pwmPin)
nrf.SAADC.CH[0].PSELP.Set(pwmPin)
// Destination for sample result.
// Note: rawValue doesn't need to be kept alive for the GC, since the
// volatile read later will force it to stay alive.
nrf.SAADC.RESULT.PTR.Set(uint32(unsafeNoEscape(unsafe.Pointer(&rawValue))))
nrf.SAADC.RESULT.PTR.Set(uint32(uintptr(unsafe.Pointer(&rawValue))))
nrf.SAADC.RESULT.MAXCNT.Set(1) // One sample
// Start tasks.
@@ -310,18 +301,20 @@ func (spi *SPI) Transfer(w byte) (byte, error) {
// padded until they fit: if len(w) > len(r) the extra bytes received will be
// dropped and if len(w) < len(r) extra 0 bytes will be sent.
func (spi *SPI) Tx(w, r []byte) error {
// Unfortunately the hardware (on the nrf52832) only supports a limited
// amount of bytes in the buffers (depending on the chip), so if either w or
// r is longer than that the transfer needs to be broken up in pieces.
// Unfortunately the hardware (on the nrf52832) only supports up to 255
// bytes in the buffers, so if either w or r is longer than that the
// transfer needs to be broken up in pieces.
// The nrf52840 supports far larger buffers however, which isn't yet
// supported.
for len(r) != 0 || len(w) != 0 {
// Prepare the SPI transfer: set the DMA pointers and lengths.
// read buffer
nr := uint32(len(r))
if nr > 0 {
if nr > spiMaxBufferSize {
nr = spiMaxBufferSize
if nr > 255 {
nr = 255
}
spi.Bus.RXD.PTR.Set(uint32(unsafeNoEscape(unsafe.Pointer(unsafe.SliceData(r)))))
spi.Bus.RXD.PTR.Set(uint32(uintptr(unsafe.Pointer(&r[0]))))
r = r[nr:]
}
spi.Bus.RXD.MAXCNT.Set(nr)
@@ -329,10 +322,10 @@ func (spi *SPI) Tx(w, r []byte) error {
// write buffer
nw := uint32(len(w))
if nw > 0 {
if nw > spiMaxBufferSize {
nw = spiMaxBufferSize
if nw > 255 {
nw = 255
}
spi.Bus.TXD.PTR.Set(uint32(unsafeNoEscape(unsafe.Pointer(unsafe.SliceData(w)))))
spi.Bus.TXD.PTR.Set(uint32(uintptr(unsafe.Pointer(&w[0]))))
w = w[nw:]
}
spi.Bus.TXD.MAXCNT.Set(nw)
@@ -342,16 +335,10 @@ func (spi *SPI) Tx(w, r []byte) error {
// finished if the transfer is send-only (a common case).
spi.Bus.TASKS_START.Set(1)
for spi.Bus.EVENTS_END.Get() == 0 {
gosched()
}
spi.Bus.EVENTS_END.Set(0)
}
// Make sure the w and r buffers stay alive for the GC until this point,
// since they are used by the hardware but not otherwise visible.
keepAliveNoEscape(unsafe.Pointer(unsafe.SliceData(r)))
keepAliveNoEscape(unsafe.Pointer(unsafe.SliceData(w)))
return nil
}
-4
View File
@@ -7,7 +7,3 @@ package machine
func GetRNG() (ret uint32, err error) {
return getRNG()
}
func isSoftDeviceEnabled() bool {
return false
}
+6 -8
View File
@@ -11,8 +11,9 @@ import (
// avoid a heap allocation in GetRNG.
var (
bytesAvailable uint8
buf [4]uint8
softdeviceEnabled uint8
bytesAvailable uint8
buf [4]uint8
errNoSoftDeviceSupport = errors.New("rng: softdevice not supported on this device")
errNotEnoughRandomData = errors.New("rng: not enough random data available")
@@ -23,7 +24,9 @@ var (
func GetRNG() (ret uint32, err error) {
// First check whether the SoftDevice is enabled.
// sd_rand_application_bytes_available_get cannot be called when the SoftDevice is not enabled.
if !isSoftDeviceEnabled() {
arm.SVCall1(0x12, &softdeviceEnabled) // sd_softdevice_is_enabled
if softdeviceEnabled == 0 {
return getRNG()
}
@@ -54,8 +57,3 @@ func GetRNG() (ret uint32, err error) {
return uint32(buf[0]) | uint32(buf[1])<<8 | uint32(buf[2])<<16 | uint32(buf[3])<<24, nil
}
// This function is defined in the runtime, but we need it too.
//
//go:linkname isSoftDeviceEnabled runtime.isSoftDeviceEnabled
func isSoftDeviceEnabled() bool
+1 -1
View File
@@ -128,7 +128,7 @@ func handleUSBSetAddress(setup usb.Setup) bool {
const ackTimeout = 570
rp.USBCTRL_REGS.SIE_STATUS.Set(rp.USBCTRL_REGS_SIE_STATUS_ACK_REC)
sendUSBPacket(0, []byte{})
sendUSBPacket(0, []byte{}, 0)
// Wait for transfer to complete with a timeout.
t := timer.timeElapsed()
+1 -1
View File
@@ -131,7 +131,7 @@ func handleUSBSetAddress(setup usb.Setup) bool {
const ackTimeout = 570
rp.USB.SIE_STATUS.Set(rp.USB_SIE_STATUS_ACK_REC)
sendUSBPacket(0, []byte{})
sendUSBPacket(0, []byte{}, 0)
// Wait for transfer to complete with a timeout.
t := timer.timeElapsed()
-25
View File
@@ -124,31 +124,6 @@ const (
fnXIP pinFunc = 0
)
// validPins confirms that the SPI pin selection is a legitimate one
// for the the 2040 chip.
func (spi *SPI) validPins(config SPIConfig) error {
var okSDI, okSDO, okSCK bool
switch spi.Bus {
case rp.SPI0:
okSDI = config.SDI == 0 || config.SDI == 4 || config.SDI == 16 || config.SDI == 20
okSDO = config.SDO == 3 || config.SDO == 7 || config.SDO == 19 || config.SDO == 23
okSCK = config.SCK == 2 || config.SCK == 6 || config.SCK == 18 || config.SCK == 22
case rp.SPI1:
okSDI = config.SDI == 8 || config.SDI == 12 || config.SDI == 24 || config.SDI == 28
okSDO = config.SDO == 11 || config.SDO == 15 || config.SDO == 27
okSCK = config.SCK == 10 || config.SCK == 14 || config.SCK == 26
}
switch {
case !okSDI:
return errSPIInvalidSDI
case !okSDO:
return errSPIInvalidSDO
case !okSCK:
return errSPIInvalidSCK
}
return nil
}
// Configure configures the gpio pin as per mode.
func (p Pin) Configure(config PinConfig) {
if p == NoPin {
-27
View File
@@ -2,8 +2,6 @@
package machine
import "device/rp"
// Analog pins on RP2350a.
const (
ADC0 Pin = GPIO26
@@ -14,28 +12,3 @@ const (
// fifth ADC channel.
thermADC = 30
)
// validPins confirms that the SPI pin selection is a legitimate one
// for the the 2350a chip.
func (spi *SPI) validPins(config SPIConfig) error {
var okSDI, okSDO, okSCK bool
switch spi.Bus {
case rp.SPI0:
okSDI = config.SDI == 0 || config.SDI == 4 || config.SDI == 16 || config.SDI == 20
okSDO = config.SDO == 3 || config.SDO == 7 || config.SDO == 19 || config.SDO == 23
okSCK = config.SCK == 2 || config.SCK == 6 || config.SCK == 18 || config.SCK == 22
case rp.SPI1:
okSDI = config.SDI == 8 || config.SDI == 12 || config.SDI == 24 || config.SDI == 28
okSDO = config.SDO == 11 || config.SDO == 15 || config.SDO == 27
okSCK = config.SCK == 10 || config.SCK == 14 || config.SCK == 26
}
switch {
case !okSDI:
return errSPIInvalidSDI
case !okSDO:
return errSPIInvalidSDO
case !okSCK:
return errSPIInvalidSCK
}
return nil
}
-27
View File
@@ -2,8 +2,6 @@
package machine
import "device/rp"
// RP2350B has additional pins.
const (
@@ -48,28 +46,3 @@ var (
PWM10 = getPWMGroup(10)
PWM11 = getPWMGroup(11)
)
// validPins confirms that the SPI pin selection is a legitimate one
// for the the 2350b chip.
func (spi *SPI) validPins(config SPIConfig) error {
var okSDI, okSDO, okSCK bool
switch spi.Bus {
case rp.SPI0:
okSDI = config.SDI == 0 || config.SDI == 4 || config.SDI == 16 || config.SDI == 20 || config.SDI == 32 || config.SDI == 36
okSDO = config.SDO == 3 || config.SDO == 7 || config.SDO == 19 || config.SDO == 23 || config.SDO == 35 || config.SDO == 39
okSCK = config.SCK == 2 || config.SCK == 6 || config.SCK == 18 || config.SCK == 22 || config.SCK == 34 || config.SCK == 38
case rp.SPI1:
okSDI = config.SDI == 8 || config.SDI == 12 || config.SDI == 24 || config.SDI == 28 || config.SDI == 40 || config.SDI == 44
okSDO = config.SDO == 11 || config.SDO == 15 || config.SDO == 27 || config.SDO == 31 || config.SDO == 43 || config.SDO == 47
okSCK = config.SCK == 10 || config.SCK == 14 || config.SCK == 26 || config.SCK == 30 || config.SCK == 42 || config.SCK == 46
}
switch {
case !okSDI:
return errSPIInvalidSDI
case !okSDO:
return errSPIInvalidSDO
case !okSCK:
return errSPIInvalidSCK
}
return nil
}
+4 -2
View File
@@ -19,8 +19,10 @@ var adcAref uint32
// InitADC resets the ADC peripheral.
func InitADC() {
resetBlock(rp.RESETS_RESET_ADC)
unresetBlockWait(rp.RESETS_RESET_ADC)
rp.RESETS.RESET.SetBits(rp.RESETS_RESET_ADC)
rp.RESETS.RESET.ClearBits(rp.RESETS_RESET_ADC)
for !rp.RESETS.RESET_DONE.HasBits(rp.RESETS_RESET_ADC) {
}
// enable ADC
rp.ADC.CS.Set(rp.ADC_CS_EN)
adcAref = 3300

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