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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @file |
29 | /** @file |
30 | * @ingroup libcia32, libcamd64 |
30 | * @ingroup libcia32, libcamd64 |
31 | */ |
31 | */ |
32 | 32 | ||
33 | #ifndef __ia32_libc_DDI_H_ |
33 | #ifndef LIBC_ia32_DDI_H_ |
34 | #define __ia32_libc_DDI_H_ |
34 | #define LIBC_ia32_DDI_H_ |
35 | 35 | ||
36 | static inline void outb(int16_t port, uint8_t b) |
36 | static inline void outb(int16_t port, uint8_t b) |
37 | { |
37 | { |
38 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
38 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
39 | } |
39 | } |
40 | 40 | ||
41 | static inline void outw(int16_t port, int16_t w) |
41 | static inline void outw(int16_t port, int16_t w) |
42 | { |
42 | { |
43 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
43 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
44 | } |
44 | } |
45 | 45 | ||
46 | static inline void outl(int16_t port, uint32_t l) |
46 | static inline void outl(int16_t port, uint32_t l) |
47 | { |
47 | { |
48 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
48 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
49 | } |
49 | } |
50 | 50 | ||
51 | static inline uint8_t inb(int16_t port) |
51 | static inline uint8_t inb(int16_t port) |
52 | { |
52 | { |
53 | uint8_t val; |
53 | uint8_t val; |
54 | 54 | ||
55 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
55 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
56 | return val; |
56 | return val; |
57 | } |
57 | } |
58 | 58 | ||
59 | static inline int16_t inw(int16_t port) |
59 | static inline int16_t inw(int16_t port) |
60 | { |
60 | { |
61 | int16_t val; |
61 | int16_t val; |
62 | 62 | ||
63 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
63 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
64 | return val; |
64 | return val; |
65 | } |
65 | } |
66 | 66 | ||
67 | static inline uint32_t inl(int16_t port) |
67 | static inline uint32_t inl(int16_t port) |
68 | { |
68 | { |
69 | uint32_t val; |
69 | uint32_t val; |
70 | 70 | ||
71 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
71 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
72 | return val; |
72 | return val; |
73 | } |
73 | } |
74 | 74 | ||
75 | - | ||
76 | #endif |
75 | #endif |
77 | 76 |