1 use super::error::{Error, Result};
2
syscall0(mut a: usize) -> Result<usize>3 pub unsafe fn syscall0(mut a: usize) -> Result<usize> {
4 asm!("svc 0"
5 : "={x0}"(a)
6 : "{x8}"(a)
7 : "x0", "x8"
8 : "volatile");
9
10 Error::demux(a)
11 }
12
syscall1(mut a: usize, b: usize) -> Result<usize>13 pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> {
14 asm!("svc 0"
15 : "={x0}"(a)
16 : "{x8}"(a), "{x0}"(b)
17 : "x0", "x8"
18 : "volatile");
19
20 Error::demux(a)
21 }
22
23 // Clobbers all registers - special for clone
syscall1_clobber(mut a: usize, b: usize) -> Result<usize>24 pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> {
25 asm!("svc 0"
26 : "={x0}"(a)
27 : "{x8}"(a), "{x0}"(b)
28 : "memory",
29 "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
30 "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
31 "x16", "x17","x18", "x19", "x20", "x21", "x22", "x23",
32 "x24", "x25", "x26", "x27", "x28", "x29", "x30"
33 : "volatile");
34
35 Error::demux(a)
36 }
37
syscall2(mut a: usize, b: usize, c: usize) -> Result<usize>38 pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> {
39 asm!("svc 0"
40 : "={x0}"(a)
41 : "{x8}"(a), "{x0}"(b), "{x1}"(c)
42 : "x0", "x1", "x8"
43 : "volatile");
44
45 Error::demux(a)
46 }
47
syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize>48 pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> {
49 asm!("svc 0"
50 : "={x0}"(a)
51 : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d)
52 : "x0", "x1", "x2", "x8"
53 : "volatile");
54
55 Error::demux(a)
56 }
57
syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize>58 pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> {
59 asm!("svc 0"
60 : "={x0}"(a)
61 : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d), "{x3}"(e)
62 : "x0", "x1", "x2", "x3", "x8"
63 : "volatile");
64
65 Error::demux(a)
66 }
67
syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) -> Result<usize>68 pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize)
69 -> Result<usize> {
70 asm!("svc 0"
71 : "={x0}"(a)
72 : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d), "{x3}"(e), "{x4}"(f)
73 : "x0", "x1", "x2", "x3", "x4", "x8"
74 : "volatile");
75
76 Error::demux(a)
77 }
78