roskuttan opened a new pull request, #16212:
URL: https://github.com/apache/nuttx/pull/16212
## Summary
This change introduces CMake build support for the Raspberry Pi Pico board
in Apache NuttX to provide an alternative build system widely used in modern
embedded development, enhancing accessibility and maintainability.
The functional part of the code being changed includes the build
configuration for the RP2040 architecture and the Raspberry Pi Pico board.
The change adds new `CMakeLists.txt` files to define build rules:
`arch/arm/src/rp2040/CMakeLists.txt,
arch/arm/src/rp2040/hardware/CMakeLists.txt,
boards/arm/rp2040/raspberrypi-pico/CMakeLists.txt, and
boards/arm/rp2040/raspberrypi-pico/src/CMakeLists.txt.`
This work is inspired by existing CMake implementations for other boards in
the NuttX ecosystem.
## Impact
New Feature Added?: YES - Adds CMake build support as an optional build
method for the Raspberry Pi Pico.
Impact on User: YES - Users familiar with CMake can adopt this build method,
but the existing Make-based system remains unaffected.
Impact on Build: YES - Introduces an alternative build process requiring
CMake installation, with potential configuration adjustments (see Testing).
Impact on Hardware: YES - Specific to the Raspberry Pi Pico and RP2040
architecture, with no impact on other hardware.
Impact on Documentation: NO - As there is existing documentation
demonstrates the use of cmake in nuttx
Impact on Security: NO - No security implications as this is a build system
enhancement.
Impact on Compatibility: YES - Intended to be compatible with existing
builds, but current issues prevent full compatibility (see Testing).
## Testing
- **Build Host(s)**: OS (Ubuntu 24.04 on WSL), CPU (x86_64), compiler
(arm-none-eabi-gcc), etc.
- **Target(s)**: arch (ARM), board:config (Raspberry Pi Pico with nsh
configuration), etc.
- Steps to reproduce:
- Configure the board using `cmake -B build
-DBOARD_CONFIG=raspberrypi-pico:nsh -GNinja`
- Build using `cmake --build build -t clean -j12 && cmake --build build
-j12`
Testing logs :
```
roskuttan@SILENT-KILLERED:~/nuttx_pr/nuttx$ cmake --build build -t clean
-j12 && cmake --build build -j12
[1/1] Cleaning all built files...
Cleaning... 0 files.
[1029/1041] Building C object
boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_common_bringup.c.obj
FAILED:
boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_common_bringup.c.obj
/usr/bin/arm-none-eabi-gcc -D__KERNEL__ -D__NuttX__
-I/home/roskuttan/nuttx_pr/nuttx/arch/arm/src/rp2040
-I/home/roskuttan/nuttx_pr/nuttx/arch/arm/src/common
-I/home/roskuttan/nuttx_pr/nuttx/arch/arm/src/armv6-m
-I/home/roskuttan/nuttx_pr/nuttx/sched
-I/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/common/include -isystem
/home/roskuttan/nuttx_pr/nuttx/include -isystem
/home/roskuttan/nuttx_pr/nuttx/build/include -mcpu=cortex-m0 -mthumb
-mfloat-abi=soft --param=min-pagesize=0 -fno-common -Wall -Wshadow -Wundef
-nostdlib -Os -fno-strict-aliasing -fomit-frame-pointer -Wa,-mthumb
-Wa,-mimplicit-it=always -ffunction-sections -fdata-sections -g -Wno-attributes
-Wno-unknown-pragmas -Wstrict-prototypes -Wno-psabi -fdiagnostics-color=always
-DNDEBUG -fmacro-prefix-map=/home/roskuttan/nuttx_pr/nuttx=
-fmacro-prefix-map=/home/roskuttan/nuttx_pr/nuttx/dummy=
-fmacro-prefix-map=/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/raspberrypi-pico=
-fmacro-prefix-map=/home/roskuttan/nuttx_pr/nut
tx/arch/arm/src/rp2040=
@boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_common_bringup.c.obj.rsp
-MD -MT
boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_common_bringup.c.obj
-MF
boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_common_bringup.c.obj.d
-o
boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_common_bringup.c.obj
-c
/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/common/src/rp2040_common_bringup.c
/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/common/src/rp2040_common_bringup.c:39:10:
fatal error: rp2040_pico.h: No such file or directory
39 | #include "rp2040_pico.h"
| ^~~~~~~~~~~~~~~
compilation terminated.
[1030/1041] Building C object
boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_uniqueid.c.obj
FAILED:
boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_uniqueid.c.obj
/usr/bin/arm-none-eabi-gcc -D__KERNEL__ -D__NuttX__
-I/home/roskuttan/nuttx_pr/nuttx/arch/arm/src/rp2040
-I/home/roskuttan/nuttx_pr/nuttx/arch/arm/src/common
-I/home/roskuttan/nuttx_pr/nuttx/arch/arm/src/armv6-m
-I/home/roskuttan/nuttx_pr/nuttx/sched
-I/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/common/include -isystem
/home/roskuttan/nuttx_pr/nuttx/include -isystem
/home/roskuttan/nuttx_pr/nuttx/build/include -mcpu=cortex-m0 -mthumb
-mfloat-abi=soft --param=min-pagesize=0 -fno-common -Wall -Wshadow -Wundef
-nostdlib -Os -fno-strict-aliasing -fomit-frame-pointer -Wa,-mthumb
-Wa,-mimplicit-it=always -ffunction-sections -fdata-sections -g -Wno-attributes
-Wno-unknown-pragmas -Wstrict-prototypes -Wno-psabi -fdiagnostics-color=always
-DNDEBUG -fmacro-prefix-map=/home/roskuttan/nuttx_pr/nuttx=
-fmacro-prefix-map=/home/roskuttan/nuttx_pr/nuttx/dummy=
-fmacro-prefix-map=/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/raspberrypi-pico=
-fmacro-prefix-map=/home/roskuttan/nuttx_pr/nut
tx/arch/arm/src/rp2040=
@boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_uniqueid.c.obj.rsp
-MD -MT boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_uniqueid.c.obj
-MF boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_uniqueid.c.obj.d
-o boards/CMakeFiles/board.dir/arm/rp2040/common/src/rp2040_uniqueid.c.obj -c
/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/common/src/rp2040_uniqueid.c
/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/common/src/rp2040_uniqueid.c:89:27:
error: 'CONFIG_BOARDCTL_UNIQUEID_SIZE' undeclared here (not in a function)
89 | static uint8_t g_uniqueid[CONFIG_BOARDCTL_UNIQUEID_SIZE];
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/roskuttan/nuttx_pr/nuttx/boards/arm/rp2040/common/src/rp2040_uniqueid.c:89:16:
warning: 'g_uniqueid' defined but not used [-Wunused-variable]
89 | static uint8_t g_uniqueid[CONFIG_BOARDCTL_UNIQUEID_SIZE];
| ^~~~~~~~~~
[1037/1041] Building C object
boards/CMakeFiles/board.dir/arm/rp2040/raspberrypi-pico/src/rp2040_gpio.c.obj
ninja: build stopped: subcommand failed.
```
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