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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/**
* Copyright (c) 2026 Alexey Gavrilov <alexey.gavrilov@mail.com>
*
* This file is part of ObjectiveOS.
*
* ObjectiveOS 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.
*
* ObjectiveOS 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
* ObjectiveOS. If not, see <https://www.gnu.org/licenses/>.
*/
#include "PortOps.h"
void PortOps::outb(portadr port, regb value)
{
asm("outb %b0, %w1"
:
: "a"(value), "Nd"(port)
: "memory");
};
void PortOps::outw(portadr port, regw value)
{
asm("out %w0, %w1"
:
: "a"(value), "Nd"(port)
: "memory");
};
void PortOps::outl(portadr port, regl value)
{
asm("out %k0, %w1"
:
: "a"(value), "Nd"(port)
: "memory");
};
regb PortOps::inb(portadr port)
{
regb res;
asm("in %w1, %b0"
: "=a"(res)
: "Nd"(port)
: "memory");
return res;
};
regw PortOps::inw(portadr port)
{
regw res;
asm("in %w1, %w0"
: "=a"(res)
: "Nd"(port)
: "memory");
return res;
};
regl PortOps::inl(portadr port)
{
regl res;
asm("in %w1, %k0"
: "=a"(res)
: "Nd"(port)
: "memory");
return res;
};
|
