blob: 91b06eb6638bf81f83e0d8e45bf8312583022cd3 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/*************************************************************************
*
* AleeOS System: This include file is for ASM structure
* Copyright (C) 2018 AleeCorp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*************************************************************************/
#ifndef SYSTEM_H
#define SYSTEM_H
#include "types.h"
uint8 inportb (uint16 _port)
{
uint8 rv;
__asm__ __volatile__ ("inb %1, %0" : "=a" (rv) : "dN" (_port));
return rv;
}
void outportb (uint16 _port, uint8 _data)
{
__asm__ __volatile__ ("outb %1, %0" : : "dN" (_port), "a" (_data));
}
#endif
|