[U-Boot] [PATCH v7 4/5] kirkwood: support CONFIG_SYS_THUMB_BUILD

Albert ARIBAUD albert.u.boot at aribaud.net
Fri Oct 23 18:06:42 CEST 2015


Kirkwood files cpu.c and cache.c cannot build in Thumb state;
force them in ARM state even under CONFIG_SYS_THUMB_BUILD.

Signed-off-by: Albert ARIBAUD <albert.u.boot at aribaud.net>
---

Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 arch/arm/mach-kirkwood/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index df4756e..5abcf70 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -9,3 +9,9 @@
 obj-y	= cpu.o
 obj-y	+= cache.o
 obj-y	+= mpp.o
+
+# cpu.o and cache.o contain CP15 instructions which cannot be run in
+# Thumb state, so build them for ARM state even with CONFIG_SYS_THUMB_BUILD
+
+CFLAGS_cpu.o := -marm
+CFLAGS_cache.o := -marm
-- 
2.1.4



More information about the U-Boot mailing list