diff options
Diffstat (limited to 'arch/m68k/platform/coldfire')
-rw-r--r-- | arch/m68k/platform/coldfire/entry.S | 24 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/intc-2.c | 2 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/intc-simr.c | 2 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/intc.c | 1 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/vectors.c | 10 |
5 files changed, 14 insertions, 25 deletions
diff --git a/arch/m68k/platform/coldfire/entry.S b/arch/m68k/platform/coldfire/entry.S index 27c2b001161e..bd27242c2f43 100644 --- a/arch/m68k/platform/coldfire/entry.S +++ b/arch/m68k/platform/coldfire/entry.S @@ -182,21 +182,23 @@ ENTRY(inthandler) /* * Beware - when entering resume, prev (the current task) is - * in a0, next (the new task) is in a1,so don't change these + * in a0, next (the new task) is in a1, so don't change these * registers until their contents are no longer needed. - * This is always called in supervisor mode, so don't bother to save - * and restore sr; user's process sr is actually in the stack. */ ENTRY(resume) - movel %a0, %d1 /* get prev thread in d1 */ - RDUSP - movel %a2,%a0@(TASK_THREAD+THREAD_USP) - + movew %sr,%d1 /* save current status */ + movew %d1,%a0@(TASK_THREAD+THREAD_SR) + movel %a0,%d1 /* get prev thread in d1 */ SAVE_SWITCH_STACK movel %sp,%a0@(TASK_THREAD+THREAD_KSP) /* save kernel stack pointer */ - movel %a1@(TASK_THREAD+THREAD_KSP),%sp /* restore new thread stack */ + RDUSP /* movel %usp,%a3 */ + movel %a3,%a0@(TASK_THREAD+THREAD_USP) /* save thread user stack */ + + movel %a1@(TASK_THREAD+THREAD_USP),%a3 /* restore thread user stack */ + WRUSP /* movel %a3,%usp */ + movel %a1@(TASK_THREAD+THREAD_KSP),%sp /* restore new kernel stack */ + movew %a1@(TASK_THREAD+THREAD_SR),%d7 /* restore new status */ + movew %d7,%sr RESTORE_SWITCH_STACK - - movel %a1@(TASK_THREAD+THREAD_USP),%a0 /* restore thread user stack */ - WRUSP rts + diff --git a/arch/m68k/platform/coldfire/intc-2.c b/arch/m68k/platform/coldfire/intc-2.c index 74b55cfbc3cb..995093357c59 100644 --- a/arch/m68k/platform/coldfire/intc-2.c +++ b/arch/m68k/platform/coldfire/intc-2.c @@ -194,8 +194,6 @@ void __init init_IRQ(void) { int irq; - init_vectors(); - /* Mask all interrupt sources */ __raw_writel(0x1, MCFICM_INTC0 + MCFINTC_IMRL); #ifdef MCFICM_INTC1 diff --git a/arch/m68k/platform/coldfire/intc-simr.c b/arch/m68k/platform/coldfire/intc-simr.c index d6a4d9d53e42..650d52e2927e 100644 --- a/arch/m68k/platform/coldfire/intc-simr.c +++ b/arch/m68k/platform/coldfire/intc-simr.c @@ -171,8 +171,6 @@ void __init init_IRQ(void) { int irq, eirq; - init_vectors(); - /* Mask all interrupt sources */ __raw_writeb(0xff, MCFINTC0_SIMR); if (MCFINTC1_SIMR) diff --git a/arch/m68k/platform/coldfire/intc.c b/arch/m68k/platform/coldfire/intc.c index 0bbb414856eb..5c0c150b4067 100644 --- a/arch/m68k/platform/coldfire/intc.c +++ b/arch/m68k/platform/coldfire/intc.c @@ -139,7 +139,6 @@ void __init init_IRQ(void) { int irq; - init_vectors(); mcf_maskimr(0xffffffff); for (irq = 0; (irq < NR_IRQS); irq++) { diff --git a/arch/m68k/platform/coldfire/vectors.c b/arch/m68k/platform/coldfire/vectors.c index a21d3f870b7a..3a7cc524ecd3 100644 --- a/arch/m68k/platform/coldfire/vectors.c +++ b/arch/m68k/platform/coldfire/vectors.c @@ -35,21 +35,13 @@ asmlinkage void dbginterrupt_c(struct frame *fp) extern e_vector *_ramvec; -void set_evector(int vecnum, void (*handler)(void)) -{ - if (vecnum >= 0 && vecnum <= 255) - _ramvec[vecnum] = handler; -} - -/***************************************************************************/ - /* Assembler routines */ asmlinkage void buserr(void); asmlinkage void trap(void); asmlinkage void system_call(void); asmlinkage void inthandler(void); -void __init init_vectors(void) +void __init trap_init(void) { int i; |