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authorCatalin Marinas <catalin.marinas@arm.com>2009-07-24 12:32:57 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2009-07-24 12:32:57 +0100
commit8b592783a2e8b7721a99730bd549aab5208f36af (patch)
tree468636a17d31f6a29287240c63234e739eabf666 /arch/arm/lib/backtrace.S
parent347c8b70b1d5256e445e54e736f88d21877616cf (diff)
downloadop-kernel-dev-8b592783a2e8b7721a99730bd549aab5208f36af.zip
op-kernel-dev-8b592783a2e8b7721a99730bd549aab5208f36af.tar.gz
Thumb-2: Implement the unified arch/arm/lib functions
This patch adds the ARM/Thumb-2 unified support for the arch/arm/lib/* files. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/lib/backtrace.S')
-rw-r--r--arch/arm/lib/backtrace.S8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S
index b0951d0..aaf7220 100644
--- a/arch/arm/lib/backtrace.S
+++ b/arch/arm/lib/backtrace.S
@@ -38,7 +38,9 @@ ENDPROC(c_backtrace)
beq no_frame @ we have no stack frames
tst r1, #0x10 @ 26 or 32-bit mode?
- moveq mask, #0xfc000003 @ mask for 26-bit
+ ARM( moveq mask, #0xfc000003 )
+ THUMB( moveq mask, #0xfc000000 )
+ THUMB( orreq mask, #0x03 )
movne mask, #0 @ mask for 32-bit
1: stmfd sp!, {pc} @ calculate offset of PC stored
@@ -126,7 +128,9 @@ ENDPROC(c_backtrace)
mov reg, #10
mov r7, #0
1: mov r3, #1
- tst instr, r3, lsl reg
+ ARM( tst instr, r3, lsl reg )
+ THUMB( lsl r3, reg )
+ THUMB( tst instr, r3 )
beq 2f
add r7, r7, #1
teq r7, #6
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