136 lines
3.5 KiB
Zig
136 lines
3.5 KiB
Zig
usingnamespace @import("../bits.zig");
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pub fn syscall0(number: SYS) usize {
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return asm volatile (
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\\ t 0x6d
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\\ bcc %%xcc, 1f
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\\ nop
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\\ neg %%o0
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\\ 1:
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: [ret] "={o0}" (-> usize)
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: [number] "{g1}" (@enumToInt(number))
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: "memory", "o1", "o2", "o3", "o4", "o5", "o7"
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);
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}
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pub fn syscall1(number: SYS, arg1: usize) usize {
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return asm volatile (
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\\ t 0x6d
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\\ bcc %%xcc, 1f
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\\ nop
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\\ neg %%o0
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\\ 1:
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: [ret] "={o0}" (-> usize)
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: [number] "{g1}" (@enumToInt(number)),
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[arg1] "{o0}" (arg1)
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: "memory", "o1", "o2", "o3", "o4", "o5", "o7"
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);
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}
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pub fn syscall2(number: SYS, arg1: usize, arg2: usize) usize {
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return asm volatile (
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\\ t 0x6d
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\\ bcc %%xcc, 1f
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\\ nop
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\\ neg %%o0
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\\ 1:
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: [ret] "={o0}" (-> usize)
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: [number] "{g1}" (@enumToInt(number)),
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[arg1] "{o0}" (arg1),
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[arg2] "{o1}" (arg2)
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: "memory", "o1", "o2", "o3", "o4", "o5", "o7"
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);
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}
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pub fn syscall3(number: SYS, arg1: usize, arg2: usize, arg3: usize) usize {
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return asm volatile (
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\\ t 0x6d
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\\ bcc %%xcc, 1f
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\\ nop
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\\ neg %%o0
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\\ 1:
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: [ret] "={o0}" (-> usize)
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: [number] "{g1}" (@enumToInt(number)),
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[arg1] "{o0}" (arg1),
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[arg2] "{o1}" (arg2),
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[arg3] "{o2}" (arg3)
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: "memory", "o1", "o2", "o3", "o4", "o5", "o7"
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);
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}
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pub fn syscall4(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
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return asm volatile (
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\\ t 0x6d
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\\ bcc %%xcc, 1f
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\\ nop
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\\ neg %%o0
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\\ 1:
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: [ret] "={o0}" (-> usize)
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: [number] "{g1}" (@enumToInt(number)),
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[arg1] "{o0}" (arg1),
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[arg2] "{o1}" (arg2),
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[arg3] "{o2}" (arg3),
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[arg4] "{o3}" (arg4)
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: "memory", "o1", "o2", "o3", "o4", "o5", "o7"
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);
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}
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pub fn syscall5(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize) usize {
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return asm volatile (
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\\ t 0x6d
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\\ bcc %%xcc, 1f
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\\ nop
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\\ neg %%o0
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\\ 1:
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: [ret] "={o0}" (-> usize)
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: [number] "{g1}" (@enumToInt(number)),
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[arg1] "{o0}" (arg1),
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[arg2] "{o1}" (arg2),
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[arg3] "{o2}" (arg3),
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[arg4] "{o3}" (arg4),
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[arg5] "{o4}" (arg5),
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: "memory", "o1", "o2", "o3", "o4", "o5", "o7"
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);
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}
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pub fn syscall6(
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number: SYS,
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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 (
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\\ t 0x6d
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\\ bcc %%xcc, 1f
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\\ nop
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\\ neg %%o0
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\\ 1:
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: [ret] "={o0}" (-> usize)
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: [number] "{g1}" (@enumToInt(number)),
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[arg1] "{o0}" (arg1),
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[arg2] "{o1}" (arg2),
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[arg3] "{o2}" (arg3),
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[arg4] "{o3}" (arg4),
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[arg5] "{o4}" (arg5),
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[arg6] "{o5}" (arg6),
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: "memory", "o1", "o2", "o3", "o4", "o5", "o7"
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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: fn (arg: usize) callconv(.C) u8, stack: usize, flags: usize, 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 ("t 0x6d"
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:
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: [number] "{g1}" (@enumToInt(SYS.rt_sigreturn))
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: "memory", "o0", "o1", "o2", "o3", "o4", "o5", "o7"
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);
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}
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