Rev 2107 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2107 | Rev 2439 | ||
|---|---|---|---|
| Line 93... | Line 93... | ||
| 93 | { |
93 | { |
| 94 | uint8_t x; |
94 | uint8_t x; |
| 95 | 95 | ||
| 96 | if (irqmask & 0xff) { |
96 | if (irqmask & 0xff) { |
| 97 | x = inb(PIC_PIC0PORT2); |
97 | x = inb(PIC_PIC0PORT2); |
| 98 | outb(PIC_PIC0PORT2, x & (~(irqmask & 0xff))); |
98 | outb(PIC_PIC0PORT2, (uint8_t) (x & (~(irqmask & 0xff)))); |
| 99 | } |
99 | } |
| 100 | if (irqmask >> 8) { |
100 | if (irqmask >> 8) { |
| 101 | x = inb(PIC_PIC1PORT2); |
101 | x = inb(PIC_PIC1PORT2); |
| 102 | outb(PIC_PIC1PORT2, x & (~(irqmask >> 8))); |
102 | outb(PIC_PIC1PORT2, (uint8_t) (x & (~(irqmask >> 8)))); |
| 103 | } |
103 | } |
| 104 | } |
104 | } |
| 105 | 105 | ||
| 106 | void pic_disable_irqs(uint16_t irqmask) |
106 | void pic_disable_irqs(uint16_t irqmask) |
| 107 | { |
107 | { |
| 108 | uint8_t x; |
108 | uint8_t x; |
| 109 | 109 | ||
| 110 | if (irqmask & 0xff) { |
110 | if (irqmask & 0xff) { |
| 111 | x = inb(PIC_PIC0PORT2); |
111 | x = inb(PIC_PIC0PORT2); |
| 112 | outb(PIC_PIC0PORT2, x | (irqmask & 0xff)); |
112 | outb(PIC_PIC0PORT2, (uint8_t) (x | (irqmask & 0xff))); |
| 113 | } |
113 | } |
| 114 | if (irqmask >> 8) { |
114 | if (irqmask >> 8) { |
| 115 | x = inb(PIC_PIC1PORT2); |
115 | x = inb(PIC_PIC1PORT2); |
| 116 | outb(PIC_PIC1PORT2, x | (irqmask >> 8)); |
116 | outb(PIC_PIC1PORT2, (uint8_t) (x | (irqmask >> 8))); |
| 117 | } |
117 | } |
| 118 | } |
118 | } |
| 119 | 119 | ||
| 120 | void pic_eoi(void) |
120 | void pic_eoi(void) |
| 121 | { |
121 | { |
| 122 | outb(0x20, 0x20); |
122 | outb(0x20, 0x20); |
| 123 | outb(0xa0, 0x20); |
123 | outb(0xa0, 0x20); |
| 124 | } |
124 | } |
| 125 | 125 | ||
| 126 | void pic_spurious(int n, istate_t *istate) |
126 | void pic_spurious(int n __attribute__((unused)), istate_t *istate __attribute__((unused))) |
| 127 | { |
127 | { |
| 128 | #ifdef CONFIG_DEBUG |
128 | #ifdef CONFIG_DEBUG |
| 129 | printf("cpu%d: PIC spurious interrupt\n", CPU->id); |
129 | printf("cpu%u: PIC spurious interrupt\n", CPU->id); |
| 130 | #endif |
130 | #endif |
| 131 | } |
131 | } |
| 132 | 132 | ||
| 133 | /** @} |
133 | /** @} |
| 134 | */ |
134 | */ |