99 lines
2.6 KiB
Zig
99 lines
2.6 KiB
Zig
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"
|
|
);
|
|
}
|