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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/clear_user.S
parent347c8b70b1d5256e445e54e736f88d21877616cf (diff)
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/clear_user.S')
-rw-r--r--arch/arm/lib/clear_user.S15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
index 844f56785ebc..1279abd8b886 100644
--- a/arch/arm/lib/clear_user.S
+++ b/arch/arm/lib/clear_user.S
@@ -27,21 +27,20 @@ WEAK(__clear_user)
ands ip, r0, #3
beq 1f
cmp ip, #2
-USER( strbt r2, [r0], #1)
-USER( strlebt r2, [r0], #1)
-USER( strltbt r2, [r0], #1)
+ strusr r2, r0, 1
+ strusr r2, r0, 1, le
+ strusr r2, r0, 1, lt
rsb ip, ip, #4
sub r1, r1, ip @ 7 6 5 4 3 2 1
1: subs r1, r1, #8 @ -1 -2 -3 -4 -5 -6 -7
-USER( strplt r2, [r0], #4)
-USER( strplt r2, [r0], #4)
+ strusr r2, r0, 4, pl, rept=2
bpl 1b
adds r1, r1, #4 @ 3 2 1 0 -1 -2 -3
-USER( strplt r2, [r0], #4)
+ strusr r2, r0, 4, pl
2: tst r1, #2 @ 1x 1x 0x 0x 1x 1x 0x
-USER( strnebt r2, [r0], #1)
-USER( strnebt r2, [r0], #1)
+ strusr r2, r0, 1, ne, rept=2
tst r1, #1 @ x1 x0 x1 x0 x1 x0 x1
+ it ne @ explicit IT needed for the label
USER( strnebt r2, [r0])
mov r0, #0
ldmfd sp!, {r1, pc}