diff options
Diffstat (limited to 'arch/m68k/platform/68360')
-rw-r--r-- | arch/m68k/platform/68360/Makefile | 6 | ||||
-rw-r--r-- | arch/m68k/platform/68360/entry.S | 19 | ||||
-rw-r--r-- | arch/m68k/platform/68360/ints.c | 11 |
3 files changed, 19 insertions, 17 deletions
diff --git a/arch/m68k/platform/68360/Makefile b/arch/m68k/platform/68360/Makefile index cf5af73a578..f6f43438304 100644 --- a/arch/m68k/platform/68360/Makefile +++ b/arch/m68k/platform/68360/Makefile @@ -1,10 +1,12 @@ # # Makefile for arch/m68knommu/platform/68360. # +model-y := ram +model-$(CONFIG_ROMKERNEL) := rom obj-y := config.o commproc.o entry.o ints.o extra-y := head.o -$(obj)/head.o: $(obj)/head-$(MODEL).o - ln -sf head-$(MODEL).o $(obj)/head.o +$(obj)/head.o: $(obj)/head-$(model-y).o + ln -sf head-$(model-y).o $(obj)/head.o diff --git a/arch/m68k/platform/68360/entry.S b/arch/m68k/platform/68360/entry.S index a07b14feed9..aa47d1d4992 100644 --- a/arch/m68k/platform/68360/entry.S +++ b/arch/m68k/platform/68360/entry.S @@ -63,7 +63,7 @@ ret_from_signal: jra ret_from_exception ENTRY(system_call) - SAVE_ALL + SAVE_ALL_SYS /* save top of frame*/ pea %sp@ @@ -125,7 +125,7 @@ Lsignal_return: * This is the main interrupt handler, responsible for calling do_IRQ() */ inthandler: - SAVE_ALL + SAVE_ALL_INT movew %sp@(PT_OFF_FORMATVEC), %d0 and.l #0x3ff, %d0 lsr.l #0x02, %d0 @@ -157,27 +157,26 @@ ret_from_interrupt: * Handler for uninitialized and spurious interrupts. */ bad_interrupt: - addql #1,num_spurious + addql #1,irq_err_count rte /* * 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. */ ENTRY(resume) movel %a0,%d1 /* save prev thread in d1 */ movew %sr,%a0@(TASK_THREAD+THREAD_SR) /* save sr */ - movel %usp,%a2 /* save usp */ - movel %a2,%a0@(TASK_THREAD+THREAD_USP) - SAVE_SWITCH_STACK movel %sp,%a0@(TASK_THREAD+THREAD_KSP) /* save kernel stack */ + movel %usp,%a3 /* save usp */ + movel %a3,%a0@(TASK_THREAD+THREAD_USP) + + movel %a1@(TASK_THREAD+THREAD_USP),%a3 /* restore user stack */ + movel %a3,%usp movel %a1@(TASK_THREAD+THREAD_KSP),%sp /* restore new thread stack */ RESTORE_SWITCH_STACK - - movel %a1@(TASK_THREAD+THREAD_USP),%a0 /* restore user stack */ - movel %a0,%usp movew %a1@(TASK_THREAD+THREAD_SR),%sr /* restore thread status reg */ rts diff --git a/arch/m68k/platform/68360/ints.c b/arch/m68k/platform/68360/ints.c index 4af0f4e30f7..7b40202d963 100644 --- a/arch/m68k/platform/68360/ints.c +++ b/arch/m68k/platform/68360/ints.c @@ -34,9 +34,6 @@ asmlinkage void inthandler(void); extern void *_ramvec[]; -/* The number of spurious interrupts */ -volatile unsigned int num_spurious; - static void intc_irq_unmask(struct irq_data *d) { pquicc->intr_cimr |= (1 << d->irq); @@ -63,9 +60,8 @@ static struct irq_chip intc_irq_chip = { * This function should be called during kernel startup to initialize * the vector table. */ -void init_IRQ(void) +void __init trap_init(void) { - int i; int vba = (CPM_VECTOR_BASE<<4); /* set up the vectors */ @@ -130,6 +126,11 @@ void init_IRQ(void) /* turn off all CPM interrupts */ pquicc->intr_cimr = 0x00000000; +} + +void init_IRQ(void) +{ + int i; for (i = 0; (i < NR_IRQS); i++) { irq_set_chip(i, &intc_irq_chip); |