From: Guo Ren <guo...@linux.alibaba.com> From: Guo Ren <ren_...@c-sky.com>
Use "subst fd" in Makefile is a hack way and it's not convenient to add new ISA feature. Just separate them into riscv-march-cflags and riscv-march-aflags. Signed-off-by: Guo Ren <guo...@linux.alibaba.com> --- arch/riscv/Makefile | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index fb6e37db836d..957d064bead0 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -37,12 +37,18 @@ else endif # ISA string setting -riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima -riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima -riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd -riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c -KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y)) -KBUILD_AFLAGS += -march=$(riscv-march-y) +riscv-march-cflags-$(CONFIG_ARCH_RV32I) := rv32ima +riscv-march-cflags-$(CONFIG_ARCH_RV64I) := rv64ima +riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd +riscv-march-cflags-$(CONFIG_RISCV_ISA_C) := $(riscv-march-cflags-y)c + +riscv-march-aflags-$(CONFIG_ARCH_RV32I) := rv32ima +riscv-march-aflags-$(CONFIG_ARCH_RV64I) := rv64ima +riscv-march-aflags-$(CONFIG_FPU) := $(riscv-march-aflags-y)fd +riscv-march-aflags-$(CONFIG_RISCV_ISA_C) := $(riscv-march-aflags-y)c + +KBUILD_CFLAGS += -march=$(riscv-march-cflags-y) +KBUILD_AFLAGS += -march=$(riscv-march-aflags-y) KBUILD_CFLAGS += -mno-save-restore KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET) -- 2.26.2
