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| Rev 576 | Rev 958 | ||
|---|---|---|---|
| Line 37... | Line 37... | ||
| 37 | /* |
37 | /* |
| 38 | * This is the PIC driver. |
38 | * This is the PIC driver. |
| 39 | * Programmable Interrupt Controller for UP systems. |
39 | * Programmable Interrupt Controller for UP systems. |
| 40 | */ |
40 | */ |
| 41 | 41 | ||
| 42 | static void pic_spurious(int n, void *stack); |
42 | static void pic_spurious(int n, istate_t *istate); |
| 43 | 43 | ||
| 44 | void i8259_init(void) |
44 | void i8259_init(void) |
| 45 | { |
45 | { |
| 46 | /* ICW1: this is ICW1, ICW4 to follow */ |
46 | /* ICW1: this is ICW1, ICW4 to follow */ |
| 47 | outb(PIC_PIC0PORT1, PIC_ICW1 | PIC_NEEDICW4); |
47 | outb(PIC_PIC0PORT1, PIC_ICW1 | PIC_NEEDICW4); |
| Line 68... | Line 68... | ||
| 68 | outb(PIC_PIC1PORT2, 1); |
68 | outb(PIC_PIC1PORT2, 1); |
| 69 | 69 | ||
| 70 | /* |
70 | /* |
| 71 | * Register interrupt handler for the PIC spurious interrupt. |
71 | * Register interrupt handler for the PIC spurious interrupt. |
| 72 | */ |
72 | */ |
| 73 | exc_register(VECTOR_PIC_SPUR, "pic_spurious", pic_spurious); |
73 | exc_register(VECTOR_PIC_SPUR, "pic_spurious", (iroutine) pic_spurious); |
| 74 | 74 | ||
| 75 | /* |
75 | /* |
| 76 | * Set the enable/disable IRQs handlers. |
76 | * Set the enable/disable IRQs handlers. |
| 77 | * Set the End-of-Interrupt handler. |
77 | * Set the End-of-Interrupt handler. |
| 78 | */ |
78 | */ |
| Line 116... | Line 116... | ||
| 116 | { |
116 | { |
| 117 | outb(0x20,0x20); |
117 | outb(0x20,0x20); |
| 118 | outb(0xa0,0x20); |
118 | outb(0xa0,0x20); |
| 119 | } |
119 | } |
| 120 | 120 | ||
| 121 | void pic_spurious(int n, void *stack) |
121 | void pic_spurious(int n, istate_t *istate) |
| 122 | { |
122 | { |
| 123 | printf("cpu%d: PIC spurious interrupt\n", CPU->id); |
123 | printf("cpu%d: PIC spurious interrupt\n", CPU->id); |
| 124 | } |
124 | } |