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authorPaul Mundt <lethal@linux-sh.org>2007-03-14 13:03:35 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-03-14 13:03:35 +0900
commit3afb209a43a4216ad4f1411922d47a44252926c6 (patch)
tree8c91a9edad3b09181bd290f33f3e14e3d7c01e2c /arch/sh/kernel/cpu
parentffe1b4e9f436fd7bb784f3bf7ee963c149fbca5f (diff)
sh: Fix bogus regs pointer in do_IRQ().
SH-3 and SH-4 were trampling the register, and SH-2 wasn't even setting it in the first place. This ended up with some rather broken behaviour in the sysrq show_regs(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu')
-rw-r--r--arch/sh/kernel/cpu/sh2/entry.S1
-rw-r--r--arch/sh/kernel/cpu/sh3/entry.S5
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
index 7f7d292f36e..c16dc8fec48 100644
--- a/arch/sh/kernel/cpu/sh2/entry.S
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -165,6 +165,7 @@ ENTRY(exception_handler)
interrupt_entry:
mov r9,r4
+ mov r15,r5
mov.l 6f,r9
mov.l 7f,r8
jmp @r8
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index c19205b0f2c..f3e827f29a4 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -514,13 +514,16 @@ skip_save:
interrupt_exception:
mov.l 1f, r9
+ mov.l 2f, r4
+ mov.l @r4, r4
jmp @r9
- nop
+ mov r15, r5
rts
nop
.align 2
1: .long do_IRQ
+2: .long INTEVT
.align 2
ENTRY(exception_none)