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Line 36... | Line 36... | ||
36 | 36 | ||
37 | extern void paging_on(void); |
37 | extern void paging_on(void); |
38 | 38 | ||
39 | extern void interrupt_handlers(void); |
39 | extern void interrupt_handlers(void); |
40 | 40 | ||
41 | extern __u8 inb(int port); |
- | |
42 | extern __u16 inw(int port); |
- | |
43 | extern __u32 inl(int port); |
- | |
44 | - | ||
45 | extern void enable_l_apic_in_msr(void); |
41 | extern void enable_l_apic_in_msr(void); |
46 | 42 | ||
47 | 43 | ||
48 | void asm_delay_loop(__u32 t); |
44 | void asm_delay_loop(__u32 t); |
49 | void asm_fake_loop(__u32 t); |
45 | void asm_fake_loop(__u32 t); |
Line 96... | Line 92... | ||
96 | * @param port Port to write to |
92 | * @param port Port to write to |
97 | * @param val Value to write |
93 | * @param val Value to write |
98 | */ |
94 | */ |
99 | static inline void outw(__u16 port, __u16 val) { __asm__ volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) ); } |
95 | static inline void outw(__u16 port, __u16 val) { __asm__ volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) ); } |
100 | 96 | ||
101 | - | ||
102 | - | ||
103 | /** Double word to port |
97 | /** Double word to port |
104 | * |
98 | * |
105 | * Output double word to port |
99 | * Output double word to port |
106 | * |
100 | * |
107 | * @param port Port to write to |
101 | * @param port Port to write to |
108 | * @param val Value to write |
102 | * @param val Value to write |
109 | */ |
103 | */ |
110 | static inline void outl(__u16 port, __u32 val) { __asm__ volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) ); } |
104 | static inline void outl(__u16 port, __u32 val) { __asm__ volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) ); } |
111 | 105 | ||
- | 106 | /** Byte from port |
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- | 107 | * |
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- | 108 | * Get byte from port |
|
- | 109 | * |
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- | 110 | * @param port Port to read from |
|
- | 111 | * @return Value read |
|
- | 112 | */ |
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- | 113 | static inline __u8 inb(__u16 port) { __u8 val; __asm__ volatile ("inb %w1, %b0 \n" : "=a" (val) : "d" (port) ); return val; } |
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- | 114 | ||
- | 115 | /** Word from port |
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- | 116 | * |
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- | 117 | * Get word from port |
|
- | 118 | * |
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- | 119 | * @param port Port to read from |
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- | 120 | * @return Value read |
|
- | 121 | */ |
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- | 122 | static inline __u16 inw(__u16 port) { __u16 val; __asm__ volatile ("inw %w1, %w0 \n" : "=a" (val) : "d" (port) ); return val; } |
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- | 123 | ||
- | 124 | /** Double word from port |
|
- | 125 | * |
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- | 126 | * Get double word from port |
|
- | 127 | * |
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- | 128 | * @param port Port to read from |
|
- | 129 | * @return Value read |
|
- | 130 | */ |
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- | 131 | static inline __u32 inl(__u16 port) { __u32 val; __asm__ volatile ("inl %w1, %l0 \n" : "=a" (val) : "d" (port) ); return val; } |
|
- | 132 | ||
112 | /** Set priority level low |
133 | /** Set priority level low |
113 | * |
134 | * |
114 | * Enable interrupts and return previous |
135 | * Enable interrupts and return previous |
115 | * value of EFLAGS. |
136 | * value of EFLAGS. |
116 | */ |
137 | */ |