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authorBen Dooks <ben.dooks@codethink.co.uk>2013-02-12 18:59:57 +0000
committerBen Dooks <ben.dooks@codethink.co.uk>2013-10-19 20:46:33 +0100
commit457c2403c513c74f60d5757fd11ae927e5554a38 (patch)
treed1625037ea6aee42fc8559ffb0c7b97619950cf4 /arch/arm/kernel/entry-armv.S
parentd10d2d485497cdc62a7660cd981f8f1ae0dffe7d (diff)
downloadlinux-linaro-stable-457c2403c513c74f60d5757fd11ae927e5554a38.tar.gz
ARM: asm: Add ARM_BE8() assembly helper
Add ARM_BE8() helper to wrap any code conditional on being compile when CONFIG_ARM_ENDIAN_BE8 is selected and convert existing places where this is to use it. Acked-by: Nicolas Pitre <nico@linaro.org> Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
-rw-r--r--arch/arm/kernel/entry-armv.S5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 9cbe70c8b0ef..55090fbb81a2 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -416,9 +416,8 @@ __und_usr:
bne __und_usr_thumb
sub r4, r2, #4 @ ARM instr at LR - 4
1: ldrt r0, [r4]
-#ifdef CONFIG_CPU_ENDIAN_BE8
- rev r0, r0 @ little endian instruction
-#endif
+ ARM_BE8(rev r0, r0) @ little endian instruction
+
@ r0 = 32-bit ARM instruction which caused the exception
@ r2 = PC value for the following instruction (:= regs->ARM_pc)
@ r4 = PC value for the faulting instruction