diff options
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 9155c9312c1..24dd1a37f8f 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -63,7 +63,9 @@ override CC += -m$(CONFIG_WORD_SIZE) override AR := GNUTARGET=elf$(CONFIG_WORD_SIZE)-powerpc $(AR) endif -LDFLAGS_vmlinux := -Bstatic +LDFLAGS_vmlinux-yy := -Bstatic +LDFLAGS_vmlinux-$(CONFIG_PPC64)$(CONFIG_RELOCATABLE) := -pie +LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-yy) CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=none -mcall-aixdesc CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 -mmultiple @@ -102,7 +104,10 @@ endif KBUILD_CFLAGS += $(call cc-option,-mno-altivec) # No SPE instruction when building kernel +# (We use all available options to help semi-broken compilers) KBUILD_CFLAGS += $(call cc-option,-mno-spe) +KBUILD_CFLAGS += $(call cc-option,-mspe=no) +KBUILD_CFLAGS += $(call cc-option,-mabi=no-spe) # Enable unit-at-a-time mode when possible. It shrinks the # kernel considerably. @@ -116,6 +121,11 @@ ifeq ($(CONFIG_6xx),y) KBUILD_CFLAGS += -mcpu=powerpc endif +# Work around a gcc code-gen bug with -fno-omit-frame-pointer. +ifeq ($(CONFIG_FTRACE),y) +KBUILD_CFLAGS += -mno-sched-epilog +endif + cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_6xx) += -Wa,-maltivec cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec |