wangmingrong1 51a82d5289 arm/clang: Fix crash caused by clang compiling with -mfpu=fpv5-d16 and -march=armv8.1-m.main+mve.fp+fp.dp ... The above combination of compilation causes the compiler to crash: #1 0x0000000001fbe154 llvm::sys::CleanupOnSignal(unsigned long) (clang18/bin/clang-19+0x1fbe154) #2 0x0000000001f21203 llvm::CrashRecoveryContext::HandleExit(int) (clang18/bin/clang-19+0x1f21203) #3 0x0000000001fb7b7e llvm::sys::Process::Exit(int, bool) (clang18/bin/clang-19+0x1fb7b7e) #4 0x0000000000b25f0d (clang18/bin/clang-19+0xb25f0d) ................................................................................ ................................................................................ This problem occurs in clang18 and above, and there are compilation instructions that are incompatible with GCC. By following the recommended v8.1m corresponding fpu modification, no crash will occur ➜ NX git:(master) ✗ clang --target=arm-none-eabi -mfpu=help clang: note: available multilibs are: --target=thumbv8m.main-unknown-none-eabi -mfpu=none --target=thumbv8m.main-unknown-none-eabi -mfpu=none -fno-exceptions -fno-rtti --target=thumbv8m.main-unknown-none-eabihf -mfpu=fpv5-sp-d16 --target=thumbv8m.main-unknown-none-eabihf -mfpu=fpv5-sp-d16 -fno-exceptions -fno-rtti --target=thumbv8.1m.main-unknown-none-eabi -mfpu=none --target=thumbv8.1m.main-unknown-none-eabi -mfpu=none -fno-exceptions -fno-rtti --target=thumbv8.1m.main-unknown-none-eabihf -march=thumbv8.1m.main+fp16 -mfpu=fp-armv8-fullfp16-sp-d16 --target=thumbv8.1m.main-unknown-none-eabihf -march=thumbv8.1m.main+fp16 -mfpu=fp-armv8-fullfp16-sp-d16 -fno-exceptions -fno-rtti --target=thumbv8.1m.main-unknown-none-eabihf -march=thumbv8.1m.main+fp16 -mfpu=fp-armv8-fullfp16-d16 --target=thumbv8.1m.main-unknown-none-eabihf -march=thumbv8.1m.main+fp16 -mfpu=fp-armv8-fullfp16-d16 -fno-exceptions -fno-rtti --target=thumbv8.1m.main-unknown-none-eabihf -march=thumbv8.1m.main+mve -mfpu=none --target=thumbv8.1m.main-unknown-none-eabihf -march=thumbv8.1m.main+mve -mfpu=none -fno-exceptions -fno-rtti Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>		2025-07-11 20:36:35 +08:00
..
include	arm: Add support for CP14	2025-06-30 17:18:57 +08:00
src	arm/clang: Fix crash caused by clang compiling with -mfpu=fpv5-d16 and -march=armv8.1-m.main+mve.fp+fp.dp	2025-07-11 20:36:35 +08:00
CMakeLists.txt	arch/arm: migrate to SPDX identifier	2024-12-06 09:25:23 +08:00
Kconfig	arm: Support hardware debug	2025-06-30 17:18:57 +08:00