0,0 → 1,72 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
#ifndef __ia32_libc_DDI_H_ |
#define __ia32_libc_DDI_H_ |
|
static inline void outb(int16_t port, uint8_t b) |
{ |
asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
} |
|
static inline void outw(int16_t port, int16_t w) |
{ |
asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
} |
|
static inline void outl(int16_t port, uint32_t l) |
{ |
asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
} |
|
static inline uint8_t inb(int16_t port) |
{ |
uint8_t val; |
|
asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
return val; |
} |
|
static inline int16_t inw(int16_t port) |
{ |
int16_t val; |
|
asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
return val; |
} |
|
static inline uint32_t inl(int16_t port) |
{ |
uint32_t val; |
|
asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
return val; |
} |
|
|
#endif |