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* [PATCH V2 1/4] riscv: Separate patch for cflags and aflags
@ 2020-01-16 14:30 guoren
  2020-01-16 14:30 ` [PATCH V2 2/4] riscv: Rename __switch_to_aux -> fpu guoren
                   ` (3 more replies)
  0 siblings, 4 replies; 8+ messages in thread
From: guoren @ 2020-01-16 14:30 UTC (permalink / raw)
  To: paul.walmsley, palmer, aou, Anup.Patel, vincent.chen, zong.li,
	greentime.hu, bmeng.cn, atish.patra, schwab
  Cc: linux-arch, arnd, linux-kernel, linux-csky, Guo Ren, linux-riscv

From: Guo Ren <ren_guo@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 <ren_guo@c-sky.com>
Cc: Anup Patel <Anup.Patel@wdc.com>
---
 arch/riscv/Makefile | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index b9009a2fbaf5..6d09b53cf106 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -35,12 +35,18 @@ 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)
-- 
2.17.0



^ permalink raw reply	[flat|nested] 8+ messages in thread

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Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-01-16 14:30 [PATCH V2 1/4] riscv: Separate patch for cflags and aflags guoren
2020-01-16 14:30 ` [PATCH V2 2/4] riscv: Rename __switch_to_aux -> fpu guoren
2020-01-23  5:44   ` Anup Patel
2020-01-16 14:30 ` [PATCH V2 3/4] riscv: Extending cpufeature.c to detect V-extension guoren
2020-01-23  5:45   ` Anup Patel
2020-01-16 14:30 ` [PATCH V2 4/4] riscv: Add vector ISA support guoren
2020-01-23  6:04   ` Anup Patel
2020-01-23  5:44 ` [PATCH V2 1/4] riscv: Separate patch for cflags and aflags Anup Patel

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