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

use core::arch::asm;

pub unsafe fn syscall0(number: usize) -> usize {
    let result: usize;
    unsafe {
        asm!("ecall", inlateout("a0") number => result);
    }
    result
}

pub unsafe fn syscall1(number: usize, a: usize) -> usize {
    let result: usize;
    unsafe {
        asm!("ecall", inlateout("a0") number => result, in("a1") a);
    }
    result
}

pub unsafe fn syscall2(number: usize, a: usize, b: usize) -> usize {
    let result: usize;
    unsafe {
        asm!("ecall", inlateout("a0") number => result, in("a1") a, in("a2") b);
    }
    result
}

pub unsafe fn syscall3(number: usize, a: usize, b: usize, c: usize) -> usize {
    let result: usize;
    unsafe {
        asm!("ecall", inlateout("a0") number => result, in("a1") a, in("a2") b, in("a3") c);
    }
    result
}

pub unsafe fn syscall4(number: usize, a: usize, b: usize, c: usize, d: usize) -> usize {
    let result: usize;
    unsafe {
        asm!("ecall", inlateout("a0") number => result, in("a1") a, in("a2") b, in("a3") c, in("a4") d);
    }
    result
}

pub unsafe fn syscall5(number: usize, a: usize, b: usize, c: usize, d: usize, e: usize) -> usize {
    let result: usize;
    unsafe {
        asm!("ecall", inlateout("a0") number => result, in("a1") a, in("a2") b, in("a3") c, in("a4") d, in("a5") e);
    }
    result
}