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-rw-r--r--arch/sh/kernel/cpu/sh3/entry.S5
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:
312 mov #0, k1 312 mov #0, k1
313 mov.b k1, @k0 313 mov.b k1, @k0
314#endif 314#endif
315 mov.l @r15+, k2 ! restore EXPEVT
316 mov k4, r15 315 mov k4, r15
317 rte 316 rte
318 nop 317 nop
@@ -487,20 +486,18 @@ handle_exception_special:
487 .align L1_CACHE_SHIFT 486 .align L1_CACHE_SHIFT
488 487
489! save_regs() 488! save_regs()
490! - save vector, default tra, macl, mach, gbr, ssr, pr* and spc on the stack 489! - save default tra, macl, mach, gbr, ssr, pr* and spc on the stack
491! - save r15*, r14, r13, r12, r11, r10, r9, r8 on the stack 490! - save r15*, r14, r13, r12, r11, r10, r9, r8 on the stack
492! - switch bank 491! - switch bank
493! - save r7, r6, r5, r4, r3, r2, r1, r0 on the stack 492! - save r7, r6, r5, r4, r3, r2, r1, r0 on the stack
494! k0 contains original stack pointer* 493! k0 contains original stack pointer*
495! k1 trashed 494! k1 trashed
496! k2 passes vector (EXPEVT)
497! k3 passes original pr* 495! k3 passes original pr*
498! k4 trashed 496! k4 trashed
499! BL=1 on entry, on exit BL=0. 497! BL=1 on entry, on exit BL=0.
500 498
501save_regs: 499save_regs:
502 mov #-1, r1 500 mov #-1, r1
503 mov.l k2, @-r15 ! vector in k2
504 mov.l k1, @-r15 ! set TRA (default: -1) 501 mov.l k1, @-r15 ! set TRA (default: -1)
505 sts.l macl, @-r15 502 sts.l macl, @-r15
506 sts.l mach, @-r15 503 sts.l mach, @-r15