pico-sdk issues

Trouble building Bazel+pico_lwip_contrib_freertos

4

Besides #1796, I'm still having some issues building with bazel and LWIP. I'm writing down the results of what investigation I've done for either myself or someone else to follow...

jaguilar

bazel build: Fix compilation bugs for Pico-W support

4

Without this, we're trying to refer to a subpackage of the lwip directory called bazel/config, which doesn't exist. See similar references in this file. This is work toward #1796, but...

jaguilar

Bazel+LWIP+FreeRTOS fails due to incorrect reference to bazel/config

``` cc_library( name = "pico_lwip_contrib_freertos", srcs = ["ports/freertos/sys_arch.c"], includes = ["ports/freertos/include"], target_compatible_with = incompatible_with_config( "@pico-sdk//bazel/constraint:pico_freertos_unset", ), deps = [ ":pico_lwip_core", "//bazel/config:PICO_FREERTOS_LIB", ], ) ``` This is the current state of...

jaguilar

Compilation warnings in multicore.c: when PICO_CORE1_STACK_SIZE=0x0

When explicitly creating a memory region to use multicore_launch_core1_with_stack it is reasonable to then set the size of the default core1 stack to zero in the cmake file. This creates...

UKTailwind

pico_atomic: atomic operations are not multicore-atomic

1

From SDK 2.0.0 release notes: > Additional support for C11 atomic functions using spin lock number PICO_SPINLOCK_ID_ATOMIC. and > On RP2040, all functions are implemented via spinlock. Well ... no?...

geurtv

Undefined reference to __dso_handle when building with PICO_NO_FLASH

9

When building an executable with `PICO_NO_FLASH` while using a static `std::vector` the build fails with a linker error: ``` /usr/lib/gcc/arm-none-eabi/12.2.0/../../../../arm-none-eabi/bin/ld: /usr/lib/gcc/arm-none-eabi/12.2.0/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libstdc++.a(eh_globals.o): in function `_GLOBAL__sub_I___cxa_get_globals_fast': /build/arm-none-eabi-gcc/src/gcc-12.2.0/libstdc++-v3/libsupc++/eh_globals.cc:178: undefined reference to `__dso_handle' /usr/lib/gcc/arm-none-eabi/12.2.0/../../../../arm-none-eabi/bin/ld:...

tobias-groeger

clib-interface

Interrupt handler rename to CMSIS standard broken in 2.0.0

1

In CircuitPython we use a mix of standard CMSIS irq handler names (like `HardFault_Handler`) and pico sdk specific ones (like `isr_dma_0`). The rename to standard names doesn't work in 2.0.0...

tannewt

LLVM: ld.lld: warning: cannot find entry symbol _start; not setting start address

3

Both on RP2040 and RP2350, with Ninja or without this happens on Windows: ``` PICO_SDK_PATH is E:/Download/Pico_2/pico-sdk-2.0.0 Target board (PICO_BOARD) is 'pico2'. Using board configuration from E:/Download/Pico_2/pico-sdk-2.0.0/src/boards/include/boards/pico2.h Pico Platform (PICO_PLATFORM)...

matsobdev