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| Rev | Author | Line No. | Line |
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| 1694 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2006 Ondrej Palkovsky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #ifndef __ia32_libc_DDI_H_ |
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| 30 | #define __ia32_libc_DDI_H_ |
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| 31 | |||
| 32 | static inline void outb(int16_t port, uint8_t b) |
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| 33 | { |
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| 34 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
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| 35 | } |
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| 36 | |||
| 37 | static inline void outw(int16_t port, int16_t w) |
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| 38 | { |
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| 39 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
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| 40 | } |
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| 41 | |||
| 42 | static inline void outl(int16_t port, uint32_t l) |
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| 43 | { |
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| 44 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
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| 45 | } |
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| 46 | |||
| 47 | static inline uint8_t inb(int16_t port) |
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| 48 | { |
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| 49 | uint8_t val; |
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| 50 | |||
| 51 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
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| 52 | return val; |
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| 53 | } |
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| 54 | |||
| 55 | static inline int16_t inw(int16_t port) |
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| 56 | { |
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| 57 | int16_t val; |
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| 58 | |||
| 59 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
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| 60 | return val; |
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| 61 | } |
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| 62 | |||
| 63 | static inline uint32_t inl(int16_t port) |
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| 64 | { |
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| 65 | uint32_t val; |
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| 66 | |||
| 67 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
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| 68 | return val; |
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| 69 | } |
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| 70 | |||
| 71 | |||
| 72 | #endif |