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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 |
|
| - | 30 | * @ingroup libcia32, libcamd64 |
|
| - | 31 | */ |
|
| - | 32 | ||
| 29 | #ifndef __ia32_libc_DDI_H_ |
33 | #ifndef __ia32_libc_DDI_H_ |
| 30 | #define __ia32_libc_DDI_H_ |
34 | #define __ia32_libc_DDI_H_ |
| 31 | 35 | ||
| 32 | static inline void outb(int16_t port, uint8_t b) |
36 | static inline void outb(int16_t port, uint8_t b) |
| 33 | { |
37 | { |
| 34 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
38 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
| 35 | } |
39 | } |
| 36 | 40 | ||
| 37 | static inline void outw(int16_t port, int16_t w) |
41 | static inline void outw(int16_t port, int16_t w) |
| 38 | { |
42 | { |
| 39 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
43 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
| 40 | } |
44 | } |
| 41 | 45 | ||
| 42 | static inline void outl(int16_t port, uint32_t l) |
46 | static inline void outl(int16_t port, uint32_t l) |
| 43 | { |
47 | { |
| 44 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
48 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
| 45 | } |
49 | } |
| 46 | 50 | ||
| 47 | static inline uint8_t inb(int16_t port) |
51 | static inline uint8_t inb(int16_t port) |
| 48 | { |
52 | { |
| 49 | uint8_t val; |
53 | uint8_t val; |
| 50 | 54 | ||
| 51 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
55 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
| 52 | return val; |
56 | return val; |
| 53 | } |
57 | } |
| 54 | 58 | ||
| 55 | static inline int16_t inw(int16_t port) |
59 | static inline int16_t inw(int16_t port) |
| 56 | { |
60 | { |
| 57 | int16_t val; |
61 | int16_t val; |
| 58 | 62 | ||
| 59 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
63 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
| 60 | return val; |
64 | return val; |
| 61 | } |
65 | } |
| 62 | 66 | ||
| 63 | static inline uint32_t inl(int16_t port) |
67 | static inline uint32_t inl(int16_t port) |
| 64 | { |
68 | { |
| 65 | uint32_t val; |
69 | uint32_t val; |
| 66 | 70 | ||
| 67 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
71 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
| 68 | return val; |
72 | return val; |
| 69 | } |
73 | } |
| 70 | 74 | ||
| 71 | 75 | ||
| 72 | #endif |
76 | #endif |
| 73 | 77 | ||