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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-24 13:32:57 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-24 13:32:57 +0200 |
| commit | 8b592783a2e8b7721a99730bd549aab5208f36af (patch) | |
| tree | 468636a17d31f6a29287240c63234e739eabf666 /arch/arm/lib/clear_user.S | |
| parent | Thumb-2: Implement the unified arch/arm/mm support (diff) | |
| download | linux-8b592783a2e8b7721a99730bd549aab5208f36af.tar.xz linux-8b592783a2e8b7721a99730bd549aab5208f36af.zip | |
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.S | 15 |
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} |