diff options
| author | Ben Dooks <ben.dooks@codethink.co.uk> | 2013-02-12 18:59:57 +0000 |
|---|---|---|
| committer | Ben Dooks <ben.dooks@codethink.co.uk> | 2013-10-19 20:46:33 +0100 |
| commit | 457c2403c513c74f60d5757fd11ae927e5554a38 (patch) | |
| tree | d1625037ea6aee42fc8559ffb0c7b97619950cf4 /arch/arm/kernel | |
| parent | d10d2d485497cdc62a7660cd981f8f1ae0dffe7d (diff) | |
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')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 5 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 4 |
2 files changed, 3 insertions, 6 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 diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index bc6bd9683ba4..a2dcafdf1bc8 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -393,9 +393,7 @@ ENTRY(vector_swi) #else USER( ldr r10, [lr, #-4] ) @ get SWI instruction #endif -#ifdef CONFIG_CPU_ENDIAN_BE8 - rev r10, r10 @ little endian instruction -#endif + ARM_BE8(rev r10, r10) @ little endian instruction #elif defined(CONFIG_AEABI) |