diff options
Diffstat (limited to 'arch/arm/lib/Makefile')
| -rw-r--r-- | arch/arm/lib/Makefile | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 2bdfaba..f3db7b5 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -60,3 +60,27 @@ obj-$(CONFIG_DEBUG_LL) += debug.o ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS))) extra-y += eabi_compat.o endif + +# some files can only build in ARM or THUMB2, not THUMB1 + +ifdef CONFIG_SYS_THUMB_BUILD +ifndef CONFIG_HAS_THUMB2 + +# for C files, just apend -marm, which will override previous -mthumb* + +CFLAGS_cache.o := -marm +CFLAGS_cache-cp15.o := -marm + +# For .S, drop -mthumb* and other thumb-related options. +# CFLAGS_REMOVE_* would not have an effet, so AFLAGS_REMOVE_* +# was implemented and is used here. +# Also, define ${target}_NO_THUMB_BUILD for these two targets +# so that the code knows it should not use Thumb. + +AFLAGS_REMOVE_memset.o := -mthumb -mthumb-interwork +AFLAGS_REMOVE_memcpy.o := -mthumb -mthumb-interwork +AFLAGS_memset.o := -DMEMSET_NO_THUMB_BUILD +AFLAGS_memcpy.o := -DMEMCPY_NO_THUMB_BUILD + +endif +endif |