masayuki2009 opened a new pull request #2061:
URL: https://github.com/apache/incubator-nuttx/pull/2061
## Summary
- This PR refactors interrupt stack related code for all ARM architectures
- Also, this PR includes a fix for CPUx Idle stack for Cortex-A SMP
- This PR consists of the following commits
- commit 1: arch: armv7-a: Fix style warnings in smp.h
- commit 2: arch: armv7-a: Fix SMP_STACK_TOP in smp.h
- This commit fixes CPUx IDLE stack top for SMP
- commit 3: boards: sabre-6quad: Update nsh/defconfig
- Add CONFIG_DEBUG_FULLOPT=y
- Add CONFIG_DEBUG_SYMBOLS=y
- Remove CONFIG_HOST_WINDOWS=y
- Add CONFIG_READLINE_CMD_HISTORY=y
- Add CONFIG_STACK_COLORATION=y
- commit 4: armv7-a, imx6: Refactor interrupt stack related code
- Remove -4/-8 offset coding in imx_irq.c and arm_vectors.S
- Instead, add SP adjustment after calling setirqstack/setfiqstack
- Also, fix alignments for g_intstackalloc
- Fix comments on the user stack pointer in arm_vectors.S
- Also, fix up_dumpstate() to extract the user stack pointer
- NOTE: stack pointer alignment is 8-byte
- commit 5: arm, c5471: Refactor interrupt stack related code
- Apply the same logic for armv7-a
- NOTE: stack pointer alignment is 4-byte
- commit 6: boards: stm32f4discovery: Update wifi/defconfig
- Add CONFIG_ARCH_INTERRUPTSTACK=2048
- Add CONFIG_ARMV7M_LAZYFPU=y
- Add CONFIG_TESTING_OSTEST_FPUSIZE=132
- commit 7: armv7-m, cxd56xx, lc823450: Refactor interrupt stack related code
- Remove +4/-8 offset coding
- Instead, add SP adjustment after calling setintstack
- Also, fix alignments for g_intstackalloc
- NOTE: stack pointer alignment is 8-byte
- commit 8: arch: armv8-m: Refactor interrupt stack related code
- Apply the same logic for armv7-m
- NOTE: stack pointer alignment is 8-byte
- commit 9: arch: armv6-m: Refactor interrupt stack related code
- Apply the same logic for armv7-m
- NOTE: stack pointer alignment is 4-byte
## Impact
- All ARM architectures with interrupt stack enabled
## Testing
- Tested with sabre-6quad:smp with QEMU
- Tested with sabre-6quad:nsh with QEMU
- Built with c5471evm.nsh (CONFIG_ARCH_INTERRUPTSTACK=2048)
- Built with ea3131:nsh (CONFIG_ARCH_INTERRUPTSTACK=2048)
- Tested with spresense:wifi_smp
- Tested with lc823450:smp
- Tested with stm32f4discovery:wifi
- Not tested for armv7-r
- Not tested for armv8-m
- Built with freedom-kl25z:nsh (CONFIG_ARCH_INTERRUPTSTACK=2048)
- Not tested for armv6-m
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