Rev 329 | Rev 341 | Go to most recent revision | Show entire file | Regard 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); |