Release 0.40.1

Signed-off-by: deadprogram <ron@hybridgroup.com>

.github/workflows/docker.yml

@@ -66,45 +66,3 @@ 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"}'

.gitmodules

@@ -16,7 +16,7 @@
 	url = https://github.com/WebAssembly/wasi-libc
 [submodule "lib/picolibc"]
 	path = lib/picolibc
-	url = https://github.com/keith-packard/picolibc.git
+	url = https://github.com/picolibc/picolibc.git
 [submodule "lib/stm32-svd"]
 	path = lib/stm32-svd
 	url = https://github.com/tinygo-org/stm32-svd

CHANGELOG.md

@@ -1,3 +1,15 @@
+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**

goenv/version.go

@@ -10,7 +10,7 @@ import (
 
 // Version of TinyGo.
 // Update this value before release of new version of software.
-const version = "0.40.0"
+const version = "0.40.1"
 
 // Return TinyGo version, either in the form 0.30.0 or as a development version
 // (like 0.30.0-dev-abcd012).

src/machine/machine_nrf.go

@@ -400,7 +400,8 @@ func (f flashBlockDevice) WriteAt(p []byte, off int64) (n int, err error) {
 		// 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
-		result := arm.SVCall3(0x20+9, address, &p[0], uint32(len(p)))
+		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.

src/runtime/rand_hwrng.go

@@ -1,7 +1,12 @@
-//go:build baremetal && (nrf || (stm32 && !(stm32f103 || stm32l0x1)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || tkey || (tinygo.riscv32 && virt))
+//go:build baremetal && (nrf || (stm32 && !(stm32f103 || stm32l0x1)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || tkey || (tinygo.riscv32 && virt) || rp2040 || rp2350)
 
 // If you update the above build constraint, you'll probably also need to update
 // src/crypto/rand/rand_baremetal.go.
+//
+// The rp2040 and rp2350 implementations are not included in src/crypto/rand/rand_baremetal.go
+// due to not being sufficiently random for the Go crypto libs.
+// However since the randomness here does not provide those same guarantees,
+// they are included in the list for hardwareRand() implementations.
 
 package runtime
 

src/runtime/rand_norng.go

@@ -1,4 +1,4 @@
-//go:build baremetal && !(nrf || (stm32 && !(stm32f103 || stm32l0x1)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || tkey || (tinygo.riscv32 && virt))
+//go:build baremetal && !(nrf || (stm32 && !(stm32f103 || stm32l0x1)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || tkey || (tinygo.riscv32 && virt) || rp2040 || rp2350)
 
 package runtime
 

src/runtime/runtime_wasmentry.go

@@ -34,8 +34,8 @@ func wasmEntryReactor() {
 	// Initialize the heap.
 	heapStart = uintptr(unsafe.Pointer(&heapStartSymbol))
 	heapEnd = uintptr(wasm_memory_size(0) * wasmPageSize)
-	initHeap()
 	initRand()
+	initHeap()
 
 	if hasScheduler {
 		// A package initializer might do funky stuff like start a goroutine and

src/runtime/scheduler_cooperative.go

@@ -243,8 +243,8 @@ func sleep(duration int64) {
 // run is called by the program entry point to execute the go program.
 // With a scheduler, init and the main function are invoked in a goroutine before starting the scheduler.
 func run() {
-	initHeap()
 	initRand()
+	initHeap()
 	go func() {
 		initAll()
 		callMain()

src/runtime/scheduler_cores.go

@@ -135,6 +135,7 @@ func sleep(duration int64) {
 // This function is called on the first core in the system. It will wake up the
 // other cores when ready.
 func run() {
+	initRand()
 	initHeap()
 
 	go func() {

src/runtime/scheduler_none.go

@@ -21,8 +21,8 @@ var schedulerExit bool
 // run is called by the program entry point to execute the go program.
 // With the "none" scheduler, init and the main function are invoked directly.
 func run() {
-	initHeap()
 	initRand()
+	initHeap()
 	initAll()
 	callMain()
 	mainExited = true

src/runtime/scheduler_threads.go

@@ -21,6 +21,7 @@ var (
 // Because we just use OS threads, we don't need to do anything special here. We
 // can just initialize everything and run main.main on the main thread.
 func run() {
+	initRand()
 	initHeap()
 	task.Init(stackTop)
 	initAll()