diff options
Diffstat (limited to 'arch/riscv/Makefile')
| -rw-r--r-- | arch/riscv/Makefile | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 34cf8a598617..3fa8ef336822 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -56,6 +56,14 @@ riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c toolchain-need-zicsr-zifencei := $(call cc-option-yn, -march=$(riscv-march-y)_zicsr_zifencei) riscv-march-$(toolchain-need-zicsr-zifencei) := $(riscv-march-y)_zicsr_zifencei +# Check if the toolchain supports Zicbom extension +toolchain-supports-zicbom := $(call cc-option-yn, -march=$(riscv-march-y)_zicbom) +riscv-march-$(toolchain-supports-zicbom) := $(riscv-march-y)_zicbom + +# Check if the toolchain supports Zihintpause extension +toolchain-supports-zihintpause := $(call cc-option-yn, -march=$(riscv-march-y)_zihintpause) +riscv-march-$(toolchain-supports-zihintpause) := $(riscv-march-y)_zihintpause + KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y)) KBUILD_AFLAGS += -march=$(riscv-march-y) @@ -73,6 +81,7 @@ ifeq ($(CONFIG_PERF_EVENTS),y) endif KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax) +KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax) # GCC versions that support the "-mstrict-align" option default to allowing # unaligned accesses. While unaligned accesses are explicitly allowed in the @@ -110,7 +119,7 @@ PHONY += vdso_install vdso_install: $(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso $@ $(if $(CONFIG_COMPAT),$(Q)$(MAKE) \ - $(build)=arch/riscv/kernel/compat_vdso $@) + $(build)=arch/riscv/kernel/compat_vdso compat_$@) ifeq ($(KBUILD_EXTMOD),) ifeq ($(CONFIG_MMU),y) |