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boards: stm32f4discovery: add toybox defconfig

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Same shape as boards/sim/sim/sim/configs/toybox: CONFIG_SYSTEM_TOYBOX=y
with CONFIG_INIT_ENTRYPOINT="toybox_main", built on top of the existing
stm32f4discovery:nsh defconfig's board/console setup.

Needs several options nsh's defconfig doesn't, since Toybox's library
code references more of NuttX's libc unconditionally than NSH does:
CONFIG_ALLOW_MIT_COMPONENTS (gates CONFIG_LIBC_REGEX -- grep/sed/etc),
CONFIG_ARCH_SETJMP_H (sigjmp_buf; the REPL's rebound trap uses
sigsetjmp/siglongjmp), CONFIG_LIBC_EXECFUNCS, CONFIG_LIBC_LOCALE,
CONFIG_LIBC_LOCALTIME, CONFIG_PIPES, CONFIG_PSEUDOFS_SOFTLINKS,
CONFIG_FS_NOTIFY (tail -f), CONFIG_SCHED_HAVE_PARENT (waitpid()).

Signed-off-by: Alan C. Assis <acassis@gmail.com>
Assisted-by: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Alan Carvalho de Assis 2026-07-28 05:11:51 -03:00 • committed by Xiang Xiao
parent 9f0f886c30
commit edbc03e40a
1 changed files with 53 additions and 0 deletions
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53
boards/arm/stm32f4/stm32f4discovery/configs/toybox/defconfig Normal file
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#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_FPU is not set
CONFIG_ALLOW_MIT_COMPONENTS=y
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="stm32f4discovery"
CONFIG_ARCH_BOARD_STM32F4_DISCOVERY=y
CONFIG_ARCH_BUTTONS=y
CONFIG_ARCH_CHIP="stm32f4"
CONFIG_ARCH_CHIP_STM32=y
CONFIG_ARCH_CHIP_STM32F407VG=y
CONFIG_ARCH_CHIP_STM32F4=y
CONFIG_ARCH_SETJMP_H=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_EXAMPLES_HELLO=y
CONFIG_FS_NOTIFY=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_HOST_WINDOWS=y
CONFIG_INIT_ENTRYPOINT="toybox_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LIBC_EXECFUNCS=y
CONFIG_LIBC_LOCALE=y
CONFIG_LIBC_LOCALTIME=y
CONFIG_LINE_MAX=64
CONFIG_MM_REGIONS=2
CONFIG_PIPES=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_PSEUDOFS_SOFTLINKS=y
CONFIG_RAM_SIZE=114688
CONFIG_RAM_START=0x20000000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_HAVE_PARENT=y
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_STM32_JTAG_SW_ENABLE=y
CONFIG_STM32_PWR=y
CONFIG_STM32_SPI1=y
CONFIG_STM32_USART2=y
CONFIG_SYSTEM_TOYBOX=y
CONFIG_USART2_RXBUFSIZE=128
CONFIG_USART2_SERIAL_CONSOLE=y
CONFIG_USART2_TXBUFSIZE=128