Apart from using LEON3 instruction timing it allows for usage of the CASA instruction.
Signed-off-by: Andreas Larsson <andr...@gaisler.com> --- arch/sparc/Makefile | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index 8496a07..673ee73 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -24,14 +24,20 @@ LDFLAGS := -m elf32_sparc export BITS := 32 UTS_MACHINE := sparc +ifeq ($(CONFIG_SPARC_LEON),y) +SPARC_MCPU=leon3 +else +SPARC_MCPU=v8 +endif + # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you # give -mcpu=v8. This silently worked with older bintutils versions but # does not any more. -KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 +KBUILD_CFLAGS += -m32 -mcpu=$(SPARC_MCPU) -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 KBUILD_CFLAGS += -Wa,-Av8 -KBUILD_AFLAGS += -m32 -Wa,-Av8 +KBUILD_AFLAGS += -m32 -mcpu=$(SPARC_MCPU) -Wa,-Av8 else ##### -- 2.8.0
