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
|
use core::arch::asm;
pub fn inw(p: u16) -> u16 {
let result: u16;
unsafe {
asm!("in ax, dx",
in("dx") p,
out("ax") result
)
}
result
}
pub fn inb(p: u16) -> u8 {
let result: u8;
unsafe {
asm!("in al, dx",
in("dx") p,
out("al") result
)
}
result
}
pub fn outb(p: u16, val: u8) {
unsafe {
asm!("out dx, al",
in("dx") p,
in("al") val,
)
}
}
pub fn outw(p: u16, val: u16) {
unsafe {
asm!("out dx, ax",
in("dx") p,
in("ax") val,
)
}
}
|