This patch cleanup the MARCH string passing to both compiler and
assembler. Note that the CFLAGS should not contain "fd" before we
have mechnisms like kernel_fpu_begin/end in other architectures.
Signed-off-by: Alan Kao <alan...@andestech.com>
Cc: Greentime Hu <greent...@andestech.com>
Cc: Vincent Chen <vince...@andestech.com>
Cc: Zong Li <z...@andestech.com>
Cc: Nick Hu <nic...@andestech.com>
---
arch/riscv/Makefile | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 61ec424..01393e1 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -28,7 +28,6 @@ ifeq ($(CONFIG_ARCH_RV64I),y)
KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0500,
-DCONFIG_ARCH_SUPPORTS_INT128)
- KBUILD_MARCH = rv64im
KBUILD_LDFLAGS += -melf64lriscv
else
BITS := 32
@@ -36,22 +35,20 @@ else
KBUILD_CFLAGS += -mabi=ilp32
KBUILD_AFLAGS += -mabi=ilp32
- KBUILD_MARCH = rv32im
KBUILD_LDFLAGS += -melf32lriscv
endif
KBUILD_CFLAGS += -Wall
-ifeq ($(CONFIG_RISCV_ISA_A),y)
- KBUILD_ARCH_A = a
-endif
-ifeq ($(CONFIG_RISCV_ISA_C),y)
- KBUILD_ARCH_C = c
-endif
-
-KBUILD_AFLAGS += -march=$(KBUILD_MARCH)$(KBUILD_ARCH_A)fd$(KBUILD_ARCH_C)
+# ISA string setting
+riscv-march-$(CONFIG_ARCH_RV32I) := rv32im
+riscv-march-$(CONFIG_ARCH_RV64I) := rv64im
+riscv-march-$(CONFIG_RISCV_ISA_A) := $(riscv-march-y)a
+riscv-march-y := $(riscv-march-y)fd
+riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c
+KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y))
+KBUILD_AFLAGS += -march=$(riscv-march-y)
-KBUILD_CFLAGS += -march=$(KBUILD_MARCH)$(KBUILD_ARCH_A)$(KBUILD_ARCH_C)
KBUILD_CFLAGS += -mno-save-restore
KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET)
--
2.7.4
