diff options
| author | Yoshinori Sato <ysato@users.sourceforge.jp> | 2008-07-10 01:20:03 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-07-28 18:10:34 +0900 |
| commit | 6e80f5e8c4c685eb7bc34c3916e3d986b03f9981 (patch) | |
| tree | 3c8768bdb748ba6b1bc923d798b1a8e3b91df4eb /arch/sh/kernel/cpu/sh2/ex.S | |
| parent | cafd63b0076b78bc8f114abbeb724c7e5f5bfe5d (diff) | |
sh2(A) exception handler update
This patch is
By sh2
- Remove duplicate code
- Reduce stack usage
- Cleanup and little optimize
By sh2a
- Add missing handler(256 to 511)
- Use sh2a instructions handler
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh2/ex.S')
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/ex.S | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/sh/kernel/cpu/sh2/ex.S b/arch/sh/kernel/cpu/sh2/ex.S index 6d285af7846..85b0bf81fc1 100644 --- a/arch/sh/kernel/cpu/sh2/ex.S +++ b/arch/sh/kernel/cpu/sh2/ex.S @@ -18,16 +18,17 @@ exception_entry: no = 0 .rept 256 - mov.l r0,@-sp - mov #no,r0 + mov.l r1,@-sp bra exception_trampoline - and #0xff,r0 + mov #no,r1 no = no + 1 .endr exception_trampoline: - mov.l r1,@-sp - mov.l $exception_handler,r1 - jmp @r1 + mov.l r0,@-sp + mov.l $exception_handler,r0 + extu.b r1,r1 + jmp @r0 + extu.w r1,r1 .align 2 $exception_entry: @@ -41,6 +42,6 @@ $exception_handler: ENTRY(vbr_base) vector = 0 .rept 256 - .long exception_entry + vector * 8 + .long exception_entry + vector * 6 vector = vector + 1 .endr |