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esp: add support for the Espressif ESP32 chip

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This is only very minimal support. More support (such as tinygo flash,
or peripheral access) should be added in later commits, to keep this one
focused.

Importantly, this commit changes the LLVM repo from llvm/llvm-project to
tinygo-org/llvm-project. This provides a little bit of versioning in
case something changes in the Espressif fork. If we want to upgrade to
LLVM 11 it's easy to switch back to llvm/llvm-project until Espressif
has updated their fork.
This commit is contained in:
Ayke van Laethem
2020-08-06 23:28:45 +02:00
committed by Ron Evans
parent da7db81087
commit 3ee47a9c1b
15 changed files with 520 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files
.circleci/config.yml
+29 -11
View File
@@ -44,16 +44,28 @@ commands:
command: |
wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
sudo apt install ./google-chrome-stable_current_amd64.deb
install-xtensa-toolchain:
parameters:
variant:
type: string
steps:
- run:
name: "Install Xtensa toolchain"
command: |
curl -L https://github.com/espressif/crosstool-NG/releases/download/esp-2020r2/xtensa-esp32-elf-gcc8_2_0-esp-2020r2-<<parameters.variant>>.tar.gz -o xtensa-esp32-elf-gcc8_2_0-esp-2020r2-<<parameters.variant>>.tar.gz
sudo tar -C /usr/local -xf xtensa-esp32-elf-gcc8_2_0-esp-2020r2-<<parameters.variant>>.tar.gz
sudo ln -s /usr/local/xtensa-esp32-elf/bin/xtensa-esp32-elf-ld /usr/local/bin/xtensa-esp32-elf-ld
rm xtensa-esp32-elf-gcc8_2_0-esp-2020r2-<<parameters.variant>>.tar.gz
llvm-source-linux:
steps:
- restore_cache:
keys:
- llvm-source-10-v0
- llvm-source-10-v1
- run:
name: "Fetch LLVM source"
command: make llvm-source
- save_cache:
key: llvm-source-10-v0
key: llvm-source-10-v1
paths:
- llvm-project
build-wasi-libc:
@@ -95,7 +107,7 @@ commands:
- lib/wasi-libc/sysroot
- run: go test -v -tags=llvm<<parameters.llvm>> ./cgo ./compileopts ./interp ./transform .
- run: make gen-device -j4
- run: make smoketest
- run: make smoketest XTENSA=0
- run: make wasmtest
- save_cache:
key: go-cache-v2-{{ checksum "go.mod" }}-{{ .Environment.CIRCLE_BUILD_NUM }}
@@ -121,6 +133,8 @@ commands:
gcc-avr \
avr-libc
- install-node
- install-xtensa-toolchain:
variant: "linux-amd64"
- restore_cache:
keys:
- go-cache-v2-{{ checksum "go.mod" }}-{{ .Environment.CIRCLE_PREVIOUS_BUILD_NUM }}
@@ -128,7 +142,7 @@ commands:
- llvm-source-linux
- restore_cache:
keys:
- llvm-build-10-linux-v0-assert
- llvm-build-10-linux-v1-assert
- run:
name: "Build LLVM"
command: |
@@ -146,7 +160,7 @@ commands:
make ASSERT=1 llvm-build
fi
- save_cache:
key: llvm-build-10-linux-v0-assert
key: llvm-build-10-linux-v1-assert
paths:
llvm-build
- run: make ASSERT=1
@@ -179,6 +193,8 @@ commands:
gcc-avr \
avr-libc
- install-node
- install-xtensa-toolchain:
variant: "linux-amd64"
- restore_cache:
keys:
- go-cache-v2-{{ checksum "go.mod" }}-{{ .Environment.CIRCLE_PREVIOUS_BUILD_NUM }}
@@ -186,7 +202,7 @@ commands:
- llvm-source-linux
- restore_cache:
keys:
- llvm-build-10-linux-v0
- llvm-build-10-linux-v1
- run:
name: "Build LLVM"
command: |
@@ -204,7 +220,7 @@ commands:
make llvm-build
fi
- save_cache:
key: llvm-build-10-linux-v0
key: llvm-build-10-linux-v1
paths:
llvm-build
- build-wasi-libc
@@ -250,23 +266,25 @@ commands:
sudo tar -C /usr/local -xzf go1.14.darwin-amd64.tar.gz
ln -s /usr/local/go/bin/go /usr/local/bin/go
HOMEBREW_NO_AUTO_UPDATE=1 brew install qemu
- install-xtensa-toolchain:
variant: "macos"
- restore_cache:
keys:
- go-cache-macos-v2-{{ checksum "go.mod" }}-{{ .Environment.CIRCLE_PREVIOUS_BUILD_NUM }}
- go-cache-macos-v2-{{ checksum "go.mod" }}
- restore_cache:
keys:
- llvm-source-10-macos-v0
- llvm-source-10-macos-v1
- run:
name: "Fetch LLVM source"
command: make llvm-source
- save_cache:
key: llvm-source-10-macos-v0
key: llvm-source-10-macos-v1
paths:
- llvm-project
- restore_cache:
keys:
- llvm-build-10-macos-v0
- llvm-build-10-macos-v1
- run:
name: "Build LLVM"
command: |
@@ -278,7 +296,7 @@ commands:
make llvm-build
fi
- save_cache:
key: llvm-build-10-macos-v0
key: llvm-build-10-macos-v1
paths:
llvm-build
- restore_cache: