100 lines
2.6 KiB
Zig
100 lines
2.6 KiB
Zig
usingnamespace @import("../bits.zig");
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pub fn syscall0(number: usize) usize {
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return asm volatile ("svc #0"
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: [ret] "={x0}" (-> usize)
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: [number] "{x8}" (number)
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: "memory", "cc"
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);
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}
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pub fn syscall1(number: usize, arg1: usize) usize {
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return asm volatile ("svc #0"
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: [ret] "={x0}" (-> usize)
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: [number] "{x8}" (number),
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[arg1] "{x0}" (arg1)
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: "memory", "cc"
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);
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}
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pub fn syscall2(number: usize, arg1: usize, arg2: usize) usize {
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return asm volatile ("svc #0"
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: [ret] "={x0}" (-> usize)
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: [number] "{x8}" (number),
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[arg1] "{x0}" (arg1),
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[arg2] "{x1}" (arg2)
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: "memory", "cc"
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);
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}
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pub fn syscall3(number: usize, arg1: usize, arg2: usize, arg3: usize) usize {
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return asm volatile ("svc #0"
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: [ret] "={x0}" (-> usize)
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: [number] "{x8}" (number),
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[arg1] "{x0}" (arg1),
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[arg2] "{x1}" (arg2),
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[arg3] "{x2}" (arg3)
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: "memory", "cc"
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);
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}
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pub fn syscall4(number: usize, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
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return asm volatile ("svc #0"
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: [ret] "={x0}" (-> usize)
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: [number] "{x8}" (number),
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[arg1] "{x0}" (arg1),
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[arg2] "{x1}" (arg2),
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[arg3] "{x2}" (arg3),
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[arg4] "{x3}" (arg4)
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: "memory", "cc"
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);
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}
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pub fn syscall5(number: usize, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize) usize {
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return asm volatile ("svc #0"
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: [ret] "={x0}" (-> usize)
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: [number] "{x8}" (number),
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[arg1] "{x0}" (arg1),
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[arg2] "{x1}" (arg2),
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[arg3] "{x2}" (arg3),
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[arg4] "{x3}" (arg4),
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[arg5] "{x4}" (arg5)
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: "memory", "cc"
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);
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}
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pub fn syscall6(
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number: usize,
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arg1: usize,
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arg2: usize,
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arg3: usize,
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arg4: usize,
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arg5: usize,
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arg6: usize,
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) usize {
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return asm volatile ("svc #0"
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: [ret] "={x0}" (-> usize)
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: [number] "{x8}" (number),
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[arg1] "{x0}" (arg1),
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[arg2] "{x1}" (arg2),
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[arg3] "{x2}" (arg3),
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[arg4] "{x3}" (arg4),
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[arg5] "{x4}" (arg5),
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[arg6] "{x5}" (arg6)
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: "memory", "cc"
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);
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}
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/// This matches the libc clone function.
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pub extern fn clone(func: extern fn (arg: usize) u8, stack: usize, flags: u32, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize;
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pub const restore = restore_rt;
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pub fn restore_rt() callconv(.Naked) void {
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return asm volatile ("svc #0"
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:
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: [number] "{x8}" (@as(usize, SYS_rt_sigreturn))
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: "memory", "cc"
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);
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}
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