Subversion Repositories HelenOS

Rev

Rev 4344 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4344 Rev 4345
Line 31... Line 31...
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 
{
- 
 
 43 
    uint8_t val;
- 
 
 44 
   
- 
 
 45 
    asm volatile (
- 
 
 46 
        "inb %w[port], %b[val]\n"
- 
 
 47 
        : [val] "=a" (val)
40 
    asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port));
 48 
        : [port] "d" (port)
- 
 
 49 
    );
- 
 
 50 
   
- 
 
 51 
    return val;
41 
}
 52 
}
42 
 
 53 
 
43 
static inline void outw(int16_t port, int16_t w)
 54 
static inline uint16_t pio_read_16(ioport16_t *port)
44 
{
 55 
{
- 
 
 56 
    uint16_t val;
- 
 
 57 
   
- 
 
 58 
    asm volatile (
- 
 
 59 
        "inw %w[port], %w[val]\n"
- 
 
 60 
        : [val] "=a" (val)
45 
    asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port));
 61 
        : [port] "d" (port)
- 
 
 62 
    );
- 
 
 63 
   
- 
 
 64 
    return val;
46 
}
 65 
}
47 
 
 66 
 
48 
static inline void outl(int16_t port, uint32_t l)
 67 
static inline uint32_t pio_read_32(ioport32_t *port)
49 
{
 68 
{
- 
 
 69 
    uint32_t val;
- 
 
 70 
   
- 
 
 71 
    asm volatile (
- 
 
 72 
        "inl %w[port], %[val]\n"
- 
 
 73 
        : [val] "=a" (val)
50 
    asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port));
 74 
        : [port] "d" (port)
- 
 
 75 
    );
- 
 
 76 
   
- 
 
 77 
    return val;
51 
}
 78 
}
52 
 
 79 
 
53 
static inline uint8_t inb(int16_t port)
 80 
static inline void pio_write_8(ioport8_t *port, uint8_t val)
54 
{
 81 
{
55 
    uint8_t val;
 82 
    asm volatile (
56 
 
 - 
 
- 
 
 83 
        "outb %b[val], %w[port]\n"
57 
    asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port));
 84 
        :: [val] "a" (val), [port] "d" (port)
58 
    return val;
 85 
    );
59 
}
 86 
}
60 
 
 87 
 
61 
static inline int16_t inw(int16_t port)
 88 
static inline void pio_write_16(ioport16_t *port, uint16_t val)
62 
{
 89 
{
63 
    int16_t val;
 90 
    asm volatile (
64 
 
 - 
 
- 
 
 91 
        "outw %w[val], %w[port]\n"
65 
    asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port));
 92 
        :: [val] "a" (val), [port] "d" (port)
66 
    return val;
 93 
    );
67 
}
 94 
}
68 
 
 95 
 
69 
static inline uint32_t inl(int16_t port)
 96 
static inline void pio_write_32(ioport32_t *port, uint32_t val)
70 
{
 97 
{
71 
    uint32_t val;
 98 
    asm volatile (
72 
 
 - 
 
- 
 
 99 
        "outl %[val], %w[port]\n"
73 
    asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port));
 100 
        :: [val] "a" (val), [port] "d" (port)
74 
    return val;
 101 
    );
75 
}
 102 
}
76 
 
 103 
 
77 
#endif
 104 
#endif