X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Flib%2FMakefile;h=7a0fb5862e1b3067ceab8dc5fafbcba8ed6b8f9c;hb=881aa5a79a94a65500959428328f348a18d3d9fe;hp=2bdfaba5b7e42742e8b1761155d2a9efe0b41aeb;hpb=1090a56c87121e740ba3fcac89739f7bd6c9ac66;p=oweals%2Fu-boot.git

diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 2bdfaba5b7..7a0fb5862e 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -6,7 +6,8 @@
 #
 
 lib-$(CONFIG_USE_PRIVATE_LIBGCC) += _ashldi3.o _ashrdi3.o _divsi3.o \
-			_lshrdi3.o _modsi3.o _udivsi3.o _umodsi3.o div0.o
+			_lshrdi3.o _modsi3.o _udivsi3.o _umodsi3.o div0.o \
+			_uldivmod.o
 
 ifdef CONFIG_CPU_V7M
 obj-y	+= vectors_m.o crt0.o
@@ -60,3 +61,27 @@ 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