Subversion Repositories HelenOS

Rev

Rev 2071 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1694 palkovsky 1
/*
2071 jermar 2
 * Copyright (c) 2006 Ondrej Palkovsky
1694 palkovsky 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1706 cejka 29
/** @file
30
 * @ingroup libcia32, libcamd64
31
 */
32
 
1866 jermar 33
#ifndef LIBC_ia32_DDI_H_
34
#define LIBC_ia32_DDI_H_
1694 palkovsky 35
 
36
static inline void outb(int16_t port, uint8_t b)
37
{
38
    asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port));
39
}
40
 
41
static inline void outw(int16_t port, int16_t w)
42
{
43
    asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port));
44
}
45
 
46
static inline void outl(int16_t port, uint32_t l)
47
{
48
    asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port));
49
}
50
 
51
static inline uint8_t inb(int16_t port)
52
{
53
    uint8_t val;
54
 
55
    asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port));
56
    return val;
57
}
58
 
59
static inline int16_t inw(int16_t port)
60
{
61
    int16_t val;
62
 
63
    asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port));
64
    return val;
65
}
66
 
67
static inline uint32_t inl(int16_t port)
68
{
69
    uint32_t val;
70
 
71
    asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port));
72
    return val;
73
}
74
 
75
#endif