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authorCatalin Marinas <catalin.marinas@arm.com>2009-07-24 15:32:57 +0400
committerCatalin Marinas <catalin.marinas@arm.com>2009-07-24 15:32:57 +0400
commit8b592783a2e8b7721a99730bd549aab5208f36af (patch)
tree468636a17d31f6a29287240c63234e739eabf666 /arch/arm/lib/csumpartialcopyuser.S
parent347c8b70b1d5256e445e54e736f88d21877616cf (diff)
downloadlinux-8b592783a2e8b7721a99730bd549aab5208f36af.tar.xz
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/csumpartialcopyuser.S')
-rw-r--r--arch/arm/lib/csumpartialcopyuser.S48
1 files changed, 13 insertions, 35 deletions
diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S
index 14677fb4b0c4..fd0e9dcd9fdc 100644
--- a/arch/arm/lib/csumpartialcopyuser.S
+++ b/arch/arm/lib/csumpartialcopyuser.S
@@ -26,50 +26,28 @@
.endm
.macro load1b, reg1
-9999: ldrbt \reg1, [r0], $1
- .section __ex_table, "a"
- .align 3
- .long 9999b, 6001f
- .previous
+ ldrusr \reg1, r0, 1
.endm
.macro load2b, reg1, reg2
-9999: ldrbt \reg1, [r0], $1
-9998: ldrbt \reg2, [r0], $1
- .section __ex_table, "a"
- .long 9999b, 6001f
- .long 9998b, 6001f
- .previous
+ ldrusr \reg1, r0, 1
+ ldrusr \reg2, r0, 1
.endm
.macro load1l, reg1
-9999: ldrt \reg1, [r0], $4
- .section __ex_table, "a"
- .align 3
- .long 9999b, 6001f
- .previous
+ ldrusr \reg1, r0, 4
.endm
.macro load2l, reg1, reg2
-9999: ldrt \reg1, [r0], $4
-9998: ldrt \reg2, [r0], $4
- .section __ex_table, "a"
- .long 9999b, 6001f
- .long 9998b, 6001f
- .previous
+ ldrusr \reg1, r0, 4
+ ldrusr \reg2, r0, 4
.endm
.macro load4l, reg1, reg2, reg3, reg4
-9999: ldrt \reg1, [r0], $4
-9998: ldrt \reg2, [r0], $4
-9997: ldrt \reg3, [r0], $4
-9996: ldrt \reg4, [r0], $4
- .section __ex_table, "a"
- .long 9999b, 6001f
- .long 9998b, 6001f
- .long 9997b, 6001f
- .long 9996b, 6001f
- .previous
+ ldrusr \reg1, r0, 4
+ ldrusr \reg2, r0, 4
+ ldrusr \reg3, r0, 4
+ ldrusr \reg4, r0, 4
.endm
/*
@@ -92,14 +70,14 @@
*/
.section .fixup,"ax"
.align 4
-6001: mov r4, #-EFAULT
+9001: mov r4, #-EFAULT
ldr r5, [fp, #4] @ *err_ptr
str r4, [r5]
ldmia sp, {r1, r2} @ retrieve dst, len
add r2, r2, r1
mov r0, #0 @ zero the buffer
-6002: teq r2, r1
+9002: teq r2, r1
strneb r0, [r1], #1
- bne 6002b
+ bne 9002b
load_regs
.previous