summaryrefslogtreecommitdiff
path: root/arch/arm/lib/copy_from_user.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/lib/copy_from_user.S')
-rw-r--r--arch/arm/lib/copy_from_user.S19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
index 56799a165cc4..e4fe124acedc 100644
--- a/arch/arm/lib/copy_from_user.S
+++ b/arch/arm/lib/copy_from_user.S
@@ -33,11 +33,15 @@
* Number of bytes NOT copied.
*/
+#ifndef CONFIG_THUMB2_KERNEL
+#define LDR1W_SHIFT 0
+#else
+#define LDR1W_SHIFT 1
+#endif
+#define STR1W_SHIFT 0
+
.macro ldr1w ptr reg abort
-100: ldrt \reg, [\ptr], #4
- .section __ex_table, "a"
- .long 100b, \abort
- .previous
+ ldrusr \reg, \ptr, 4, abort=\abort
.endm
.macro ldr4w ptr reg1 reg2 reg3 reg4 abort
@@ -53,14 +57,11 @@
.endm
.macro ldr1b ptr reg cond=al abort
-100: ldr\cond\()bt \reg, [\ptr], #1
- .section __ex_table, "a"
- .long 100b, \abort
- .previous
+ ldrusr \reg, \ptr, 1, \cond, abort=\abort
.endm
.macro str1w ptr reg abort
- str \reg, [\ptr], #4
+ W(str) \reg, [\ptr], #4
.endm
.macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort