Messages in this thread | | | Date | Tue, 14 Dec 2021 08:29:17 -0800 (PST) | Subject | Re: [PATCH v9 01/17] riscv: Separate patch for cflags and aflags | From | Palmer Dabbelt <> |
| |
On Tue, 09 Nov 2021 01:48:13 PST (-0800), greentime.hu@sifive.com wrote: > 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> > Signed-off-by: Guo Ren <guoren@linux.alibaba.com> > Signed-off-by: Greentime Hu <greentime.hu@sifive.com> > --- > arch/riscv/Makefile | 18 ++++++++++++------ > 1 file changed, 12 insertions(+), 6 deletions(-) > > diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile > index 0eb4568fbd29..37de70df4fae 100644 > --- a/arch/riscv/Makefile > +++ b/arch/riscv/Makefile > @@ -48,12 +48,18 @@ endif > 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)
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
| |