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31 | */ |
31 | */ |
32 | 32 | ||
33 | #ifndef LIBC_ia32_DDI_H_ |
33 | #ifndef LIBC_ia32_DDI_H_ |
34 | #define LIBC_ia32_DDI_H_ |
34 | #define LIBC_ia32_DDI_H_ |
35 | 35 | ||
- | 36 | #include <sys/types.h> |
|
- | 37 | #include <libarch/types.h> |
|
- | 38 | ||
36 | #define IO_SPACE_BOUNDARY ((void *) (64 * 1024)) |
39 | #define IO_SPACE_BOUNDARY ((void *) (64 * 1024)) |
37 | 40 | ||
38 | static inline void outb(int16_t port, uint8_t b) |
41 | static inline uint8_t pio_read_8(ioport8_t *port) |
39 | { |
42 | { |
40 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
43 | uint8_t val; |
41 | } |
- | |
42 | 44 | ||
- | 45 | asm volatile ( |
|
43 | static inline void outw(int16_t port, int16_t w) |
46 | "inb %w[port], %b[val]\n" |
44 | { |
47 | : [val] "=a" (val) |
45 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
48 | : [port] "d" (port) |
46 | } |
49 | ); |
47 | 50 | ||
48 | static inline void outl(int16_t port, uint32_t l) |
- | |
49 | { |
- | |
50 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
51 | return val; |
51 | } |
52 | } |
52 | 53 | ||
53 | static inline uint8_t inb(int16_t port) |
54 | static inline uint16_t pio_read_16(ioport16_t *port) |
54 | { |
55 | { |
55 | uint8_t val; |
56 | uint16_t val; |
- | 57 | ||
- | 58 | asm volatile ( |
|
- | 59 | "inw %w[port], %w[val]\n" |
|
- | 60 | : [val] "=a" (val) |
|
- | 61 | : [port] "d" (port) |
|
- | 62 | ); |
|
56 | 63 | ||
57 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
- | |
58 | return val; |
64 | return val; |
59 | } |
65 | } |
60 | 66 | ||
61 | static inline int16_t inw(int16_t port) |
67 | static inline uint32_t pio_read_32(ioport32_t *port) |
62 | { |
68 | { |
63 | int16_t val; |
69 | uint32_t val; |
- | 70 | ||
- | 71 | asm volatile ( |
|
- | 72 | "inl %w[port], %[val]\n" |
|
- | 73 | : [val] "=a" (val) |
|
- | 74 | : [port] "d" (port) |
|
- | 75 | ); |
|
64 | 76 | ||
65 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
- | |
66 | return val; |
77 | return val; |
67 | } |
78 | } |
68 | 79 | ||
69 | static inline uint32_t inl(int16_t port) |
80 | static inline void pio_write_8(ioport8_t *port, uint8_t val) |
70 | { |
81 | { |
71 | uint32_t val; |
82 | asm volatile ( |
- | 83 | "outb %b[val], %w[port]\n" |
|
- | 84 | :: [val] "a" (val), [port] "d" (port) |
|
- | 85 | ); |
|
- | 86 | } |
|
72 | 87 | ||
- | 88 | static inline void pio_write_16(ioport16_t *port, uint16_t val) |
|
- | 89 | { |
|
- | 90 | asm volatile ( |
|
- | 91 | "outw %w[val], %w[port]\n" |
|
73 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
92 | :: [val] "a" (val), [port] "d" (port) |
- | 93 | ); |
|
- | 94 | } |
|
- | 95 | ||
- | 96 | static inline void pio_write_32(ioport32_t *port, uint32_t val) |
|
- | 97 | { |
|
74 | return val; |
98 | asm volatile ( |
- | 99 | "outl %[val], %w[port]\n" |
|
- | 100 | :: [val] "a" (val), [port] "d" (port) |
|
- | 101 | ); |
|
75 | } |
102 | } |
76 | 103 | ||
77 | #endif |
104 | #endif |