[PATCH 21/23] ARM: entry: data abort: always use r6 for offset
From: Russell King - ARM Linux <hidden>
Date: 2011-06-29 09:25:56
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Signed-off-by: Russell King <redacted> --- arch/arm/mm/abort-lv4t.S | 6 +++--- arch/arm/mm/proc-arm6_7.S | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mm/abort-lv4t.S b/arch/arm/mm/abort-lv4t.S
index 921aaab..54b6d27 100644
--- a/arch/arm/mm/abort-lv4t.S
+++ b/arch/arm/mm/abort-lv4t.S@@ -102,13 +102,13 @@ ENTRY(v4t_late_abort) tst r8, #1 << 21 @ check writeback bit beq do_DataAbort @ no writeback -> no fixup .data_arm_lateldrpostconst: - movs r9, r8, lsl #20 @ Get offset + movs r6, r8, lsl #20 @ Get offset beq do_DataAbort @ zero -> no fixup and r5, r8, #15 << 16 @ Extract 'n' from instruction ldr r7, [r2, r5, lsr #14] @ Get register 'Rn' tst r8, #1 << 23 @ Check U bit - subne r7, r7, r9, lsr #20 @ Undo increment - addeq r7, r7, r9, lsr #20 @ Undo decrement + subne r7, r7, r6, lsr #20 @ Undo increment + addeq r7, r7, r6, lsr #20 @ Undo decrement str r7, [r2, r5, lsr #14] @ Put register 'Rn' b do_DataAbort
diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index 141906e..4d96311 100644
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S@@ -116,13 +116,13 @@ ENTRY(cpu_arm6_data_abort) tst r8, #1 << 21 @ check writeback bit beq do_DataAbort @ no writeback -> no fixup .data_arm_lateldrpostconst: - movs r9, r8, lsl #20 @ Get offset + movs r6, r8, lsl #20 @ Get offset beq do_DataAbort @ zero -> no fixup and r5, r8, #15 << 16 @ Extract 'n' from instruction ldr r7, [r2, r5, lsr #14] @ Get register 'Rn' tst r8, #1 << 23 @ Check U bit - subne r7, r7, r9, lsr #20 @ Undo increment - addeq r7, r7, r9, lsr #20 @ Undo decrement + subne r7, r7, r6, lsr #20 @ Undo increment + addeq r7, r7, r6, lsr #20 @ Undo decrement str r7, [r2, r5, lsr #14] @ Put register 'Rn' b do_DataAbort
--
1.7.4.4