summaryrefslogtreecommitdiffstats
path: root/arch/sh/kernel/traps_32.c
diff options
context:
space:
mode:
authorPhil Edworthy <Phil.Edworthy@renesas.com>2011-08-22 15:56:08 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-08-29 15:32:04 +0900
commit0710b91c516ffd448db6e80e9026f11778a80d45 (patch)
treeecb5955e09895f775ed7d6e38ee38facb87c1ff2 /arch/sh/kernel/traps_32.c
parent2d0b579a9831c927bcebf5f61055e7462f0af2dc (diff)
downloadop-kernel-dev-0710b91c516ffd448db6e80e9026f11778a80d45.zip
op-kernel-dev-0710b91c516ffd448db6e80e9026f11778a80d45.tar.gz
sh: Fix unaligned memory access for branches without delay slots
This patch just clears the return code for those cases where an unaligned memory access occurs on branch instructions without a delay slot. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/traps_32.c')
-rw-r--r--arch/sh/kernel/traps_32.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index d9006f8..61fa4a5 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -466,6 +466,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
case 0x0500: /* mov.w @(disp,Rm),R0 */
goto simple;
case 0x0B00: /* bf lab - no delayslot*/
+ ret = 0;
break;
case 0x0F00: /* bf/s lab */
ret = handle_delayslot(regs, instruction, ma);
@@ -479,6 +480,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
}
break;
case 0x0900: /* bt lab - no delayslot */
+ ret = 0;
break;
case 0x0D00: /* bt/s lab */
ret = handle_delayslot(regs, instruction, ma);
OpenPOWER on IntegriCloud