diff options
Diffstat (limited to 'arch/mips/kernel/r2300_switch.S')
| -rw-r--r-- | arch/mips/kernel/r2300_switch.S | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S index 4b8698d3b..faac180d1 100644 --- a/arch/mips/kernel/r2300_switch.S +++ b/arch/mips/kernel/r2300_switch.S @@ -1,7 +1,9 @@ -/* $Id: $ +/* $Id: r2300_switch.S,v 1.5 1999/04/11 17:13:56 harald Exp $ + * * r2300_switch.S: R2300 specific task switching code. * - * Copyright (C) 1994, 1995, 1996 by Ralf Baechle and Andreas Busse + * Copyright (C) 1994, 1995, 1996, 1999 by Ralf Baechle + * Copyright (C) 1994, 1995, 1996 by Andreas Busse * * Multi-cpu abstraction and macros for easier reading: * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) @@ -28,19 +30,23 @@ .set mips1 .align 5 +/* + * task_struct *r4xx0_resume(task_struct *prev, + * task_struct *next) + */ LEAF(r2300_resume) .set reorder mfc0 t1, CP0_STATUS .set noreorder - sw t1, THREAD_STATUS($28) - CPU_SAVE_NONSCRATCH($28) - sw ra, THREAD_REG31($28) + sw t1, THREAD_STATUS(a0) + CPU_SAVE_NONSCRATCH(a0) + sw ra, THREAD_REG31(a0) /* * The order of restoring the registers takes care of the race * updating $28, $29 and kernelsp without disabling ints. */ - move $28, a0 + move $28, a1 CPU_RESTORE_NONSCRATCH($28) addiu t0, $28, KERNEL_STACK_SIZE-32 sw t0, kernelsp @@ -55,8 +61,9 @@ LEAF(r2300_resume) lw a3, MM_CONTEXT(a3) mtc0 a2, CP0_STATUS andi a3, 0xfc0 + mtc0 a3, CP0_ENTRYHI jr ra - mtc0 a3, CP0_ENTRYHI + move v0, a0 END(r2300_resume) /* |