//SPARTAN/trunk/arch/ia64/src/ia64.c |
---|
28,7 → 28,14 |
#include <arch.h> |
#include <arch/ski/ski.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <arch/barrier.h> |
#include <arch/interrupt.h> |
/** TODO: read ticks per second from firmware */ |
#define IT_DELTA 50000000 |
void arch_pre_mm_init(void) |
{ |
ski_init_console(); |
36,4 → 43,20 |
void arch_post_mm_init(void) |
{ |
cr_itv_t itv; |
/* initialize Interval Timer external interrupt vector */ |
itv.value = itv_read(); |
itv.vector = INTERRUPT_TIMER; |
itv.m = 0; |
itv_write(itv.value); |
srlz_d(); |
/* set Interval Timer Counter to zero */ |
itc_write(0); |
srlz_d(); |
/* generate first Interval Timer interrupt in IT_DELTA ticks */ |
itm_write(IT_DELTA); |
srlz_d(); |
} |
//SPARTAN/trunk/arch/ia64/src/interrupt.c |
---|
29,21 → 29,29 |
#include <arch/interrupt.h> |
#include <panic.h> |
#include <print.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <arch/register.h> |
#include <arch.h> |
void external_interrupt(void) |
{ |
__u8 ivr; |
cr_ivr_t ivr; |
ivr.value = ivr_read(); |
srlz_d(); |
ivr = ivr_read() & CR_IVR_MASK; |
srlz_d(); |
switch(ivr) { |
switch(ivr.value) { |
case INTERRUPT_TIMER: |
panic("cpu%d: timer interrupt\n", CPU->id); |
break; |
case INTERRUPT_SPURIOUS: |
printf("cpu%d: spurious interrupt\n", CPU->id); |
break; |
default: |
panic("\nUnhandled External Interrupt Vector %d\n", ivr); |
panic("\nUnhandled External Interrupt Vector %d\n", ivr.vector); |
break; |
} |
} |