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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
usingnamespace @import("../bits.zig");
pub fn syscall0(number: SYS) usize {
return asm volatile ("ecall"
: [ret] "={x10}" (-> usize)
: [number] "{x17}" (@enumToInt(number))
: "memory"
);
}
pub fn syscall1(number: SYS, arg1: usize) usize {
return asm volatile ("ecall"
: [ret] "={x10}" (-> usize)
: [number] "{x17}" (@enumToInt(number)),
[arg1] "{x10}" (arg1)
: "memory"
);
}
pub fn syscall2(number: SYS, arg1: usize, arg2: usize) usize {
return asm volatile ("ecall"
: [ret] "={x10}" (-> usize)
: [number] "{x17}" (@enumToInt(number)),
[arg1] "{x10}" (arg1),
[arg2] "{x11}" (arg2)
: "memory"
);
}
pub fn syscall3(number: SYS, arg1: usize, arg2: usize, arg3: usize) usize {
return asm volatile ("ecall"
: [ret] "={x10}" (-> usize)
: [number] "{x17}" (@enumToInt(number)),
[arg1] "{x10}" (arg1),
[arg2] "{x11}" (arg2),
[arg3] "{x12}" (arg3)
: "memory"
);
}
pub fn syscall4(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
return asm volatile ("ecall"
: [ret] "={x10}" (-> usize)
: [number] "{x17}" (@enumToInt(number)),
[arg1] "{x10}" (arg1),
[arg2] "{x11}" (arg2),
[arg3] "{x12}" (arg3),
[arg4] "{x13}" (arg4)
: "memory"
);
}
pub fn syscall5(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize) usize {
return asm volatile ("ecall"
: [ret] "={x10}" (-> usize)
: [number] "{x17}" (@enumToInt(number)),
[arg1] "{x10}" (arg1),
[arg2] "{x11}" (arg2),
[arg3] "{x12}" (arg3),
[arg4] "{x13}" (arg4),
[arg5] "{x14}" (arg5)
: "memory"
);
}
pub fn syscall6(
number: SYS,
arg1: usize,
arg2: usize,
arg3: usize,
arg4: usize,
arg5: usize,
arg6: usize,
) usize {
return asm volatile ("ecall"
: [ret] "={x10}" (-> usize)
: [number] "{x17}" (@enumToInt(number)),
[arg1] "{x10}" (arg1),
[arg2] "{x11}" (arg2),
[arg3] "{x12}" (arg3),
[arg4] "{x13}" (arg4),
[arg5] "{x14}" (arg5),
[arg6] "{x15}" (arg6)
: "memory"
);
}
pub extern fn clone(func: fn (arg: usize) callconv(.C) u8, stack: usize, flags: u32, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize;
pub const restore = restore_rt;
pub fn restore_rt() callconv(.Naked) void {
return asm volatile ("ecall"
:
: [number] "{x17}" (@enumToInt(SYS.rt_sigreturn))
: "memory"
);
}
|
