Subversion Repositories HelenOS-historic

Rev

Rev 329 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 329 Rev 332
Line 30... Line 30...
30 
#include <arch/types.h>
 30 
#include <arch/types.h>
31 
#include <arch.h>
 31 
#include <arch.h>
32 
#include <arch/cp0.h>
 32 
#include <arch/cp0.h>
33 
#include <time/clock.h>
 33 
#include <time/clock.h>
34 
#include <panic.h>
 34 
#include <panic.h>
- 
 
 35 
#include <print.h>
- 
 
 36 
#include <symtab.h>
- 
 
 37 
#include <arch/drivers/arc.h>
- 
 
 38 
 
- 
 
 39 
static void print_regdump(struct exception_regdump *pstate)
- 
 
 40 
{
- 
 
 41 
    char *pcsymbol = "";
- 
 
 42 
    char *rasymbol = "";
- 
 
 43 
 
- 
 
 44 
    char *s = get_symtab_entry(pstate->epc);
- 
 
 45 
    if (s)
- 
 
 46 
        pcsymbol = s;
- 
 
 47 
    s = get_symtab_entry(pstate->ra);
- 
 
 48 
    if (s)
- 
 
 49 
        rasymbol = s;
- 
 
 50 
   
- 
 
 51 
    printf("PC: %X(%s) RA: %X(%s)\n",pstate->epc,pcsymbol,
- 
 
 52 
           pstate->ra,rasymbol);
- 
 
 53 
}
35 
 
 54 
 
36 
pri_t cpu_priority_high(void)
 55 
pri_t cpu_priority_high(void)
37 
{
 56 
{
38 
    pri_t pri = (pri_t) cp0_status_read();
 57 
    pri_t pri = (pri_t) cp0_status_read();
39 
    cp0_status_write(pri & ~cp0_status_ie_enabled_bit);
 58 
    cp0_status_write(pri & ~cp0_status_ie_enabled_bit);
Line 55... Line 74...
55 
pri_t cpu_priority_read(void)
 74 
pri_t cpu_priority_read(void)
56 
{
 75 
{
57 
    return cp0_status_read();
 76 
    return cp0_status_read();
58 
}
 77 
}
59 
 
 78 
 
60 
void interrupt(void)
 79 
void interrupt(struct exception_regdump *pstate)
61 
{
 80 
{
62 
    __u32 cause;
 81 
    __u32 cause;
63 
    int i;
 82 
    int i;
64 
   
 83 
   
65 
    /* decode interrupt number and process the interrupt */
 84 
    /* decode interrupt number and process the interrupt */
Line 67... Line 86...
67 
   
 86 
   
68 
    for (i = 0; i < 8; i++) {
 87 
    for (i = 0; i < 8; i++) {
69 
        if (cause & (1 << i)) {
 88 
        if (cause & (1 << i)) {
70 
            switch (i) {
 89 
            switch (i) {
71 
                case 0: /* SW0 - Software interrupt 0 */
 90 
                case 0: /* SW0 - Software interrupt 0 */
72 
                    cp0_cause_write(cause & ~(1 << 8)); /* clear SW0 interrupt */
 91 
                    cp0_cause_write(cp0_cause_read() & ~(1 << 8)); /* clear SW0 interrupt */
73 
                    break;
 92 
                    break;
74 
                case 1: /* SW1 - Software interrupt 1 */
 93 
                case 1: /* SW1 - Software interrupt 1 */
75 
                    cp0_cause_write(cause & ~(1 << 9)); /* clear SW1 interrupt */
 94 
                    cp0_cause_write(cp0_cause_read() & ~(1 << 9)); /* clear SW1 interrupt */
76 
                    break;
 95 
                    break;
77 
                case 2: /* IRQ0 */
 96 
                case 2: /* IRQ0 */
78 
                case 3: /* IRQ1 */
 97 
                case 3: /* IRQ1 */
79 
                case 4: /* IRQ2 */
 98 
                case 4: /* IRQ2 */
80 
                case 5: /* IRQ3 */
 99 
                case 5: /* IRQ3 */
81 
                case 6: /* IRQ4 */
 100 
                case 6: /* IRQ4 */
- 
 
 101 
                    print_regdump(pstate);
82 
                    panic("unhandled interrupt %d\n", i);
 102 
                    panic("unhandled interrupt %d\n", i);
83 
                    break;
 103 
                    break;
84 
                case TIMER_INTERRUPT:
 104 
                case TIMER_INTERRUPT:
85 
                    /* clear timer interrupt & set new */
 105 
                    /* clear timer interrupt & set new */
86 
                    cp0_compare_write(cp0_count_read() + cp0_compare_value);
 106 
                    cp0_compare_write(cp0_count_read() + cp0_compare_value);