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| author |   Magnus Damm <damm@igel.co.jp> | 2009-02-23 07:16:34 +0000 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2009-02-27 16:26:19 +0900 |
| commit | 4f099ebb27211d378304ddcfa507097f5128f5b9 (patch) | |
| tree | 5fdffb1e53b9c4b967eb86ada8eed14eafb763ff /arch/sh/kernel/cpu/sh3/entry.S | |
| parent | sh: rework register restore code for sh3/sh4/sh4a (diff) | |
| download | linux-dev-4f099ebb27211d378304ddcfa507097f5128f5b9.tar.xz linux-dev-4f099ebb27211d378304ddcfa507097f5128f5b9.zip | |
sh: remove EXPEVT vector from stack on sh3/sh4/sh4a
Remove EXPEVT vector from the stack, lookup_exception_vector()
for sh3/sh4/sh4a is already using k2 to get the vector.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh3/entry.S')
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/entry.S | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index cbffbffce351..0271fe08de27 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -312,7 +312,6 @@ skip_restore: mov #0, k1 mov.b k1, @k0 #endif - mov.l @r15+, k2 ! restore EXPEVT mov k4, r15 rte nop @@ -487,20 +486,18 @@ handle_exception_special: .align L1_CACHE_SHIFT ! save_regs() -! - save vector, default tra, macl, mach, gbr, ssr, pr* and spc on the stack +! - save default tra, macl, mach, gbr, ssr, pr* and spc on the stack ! - save r15*, r14, r13, r12, r11, r10, r9, r8 on the stack ! - switch bank ! - save r7, r6, r5, r4, r3, r2, r1, r0 on the stack ! k0 contains original stack pointer* ! k1 trashed -! k2 passes vector (EXPEVT) ! k3 passes original pr* ! k4 trashed ! BL=1 on entry, on exit BL=0. save_regs: mov #-1, r1 - mov.l k2, @-r15 ! vector in k2 mov.l k1, @-r15 ! set TRA (default: -1) sts.l macl, @-r15 sts.l mach, @-r15 |