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std: Fix pipe syscall stub for sparc64

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This commit is contained in:
LemonBoy 2020-11-04 15:54:38 +01:00
parent 342ba960f7
commit f313c88428
1 changed files with 11 additions and 10 deletions
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21
lib/std/os/linux/sparc64.zig
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@ -2,20 +2,21 @@ usingnamespace @import("../bits.zig");
pub fn syscall_pipe(fd: *[2]i32) usize {
return asm volatile (
\\ mov %%o0, %%o2
\\ mov %[arg], %%g3
\\ t 0x6d
\\ bcc,pt %%xcc, 1f
\\ nop
\\ # Return the error code
\\ ba 2f
\\ neg %%o0
\\ 1:
\\ st %%o0, [%%o2]
\\ st %%o1, [%%o2 + 4]
\\ clr %%o0
\\ 2:
\\1:
\\ st %%o0, [%%g3+0]
\\ st %%o1, [%%g3+4]
\\2:
: [ret] "={o0}" (-> usize)
: [number] "{$2}" (@enumToInt(SYS.pipe))
: "memory", "xcc", "o1", "o2", "o3", "o4", "o5", "o7"
: [number] "{g1}" (@enumToInt(SYS.pipe)),
[arg] "r" (fd)
: "memory", "g3"
);
}
@ -107,7 +108,7 @@ pub fn syscall5(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize,
[arg2] "{o1}" (arg2),
[arg3] "{o2}" (arg3),
[arg4] "{o3}" (arg4),
[arg5] "{o4}" (arg5),
[arg5] "{o4}" (arg5)
: "memory", "xcc", "o1", "o2", "o3", "o4", "o5", "o7"
);
}
@ -134,7 +135,7 @@ pub fn syscall6(
[arg3] "{o2}" (arg3),
[arg4] "{o3}" (arg4),
[arg5] "{o4}" (arg5),
[arg6] "{o5}" (arg6),
[arg6] "{o5}" (arg6)
: "memory", "xcc", "o1", "o2", "o3", "o4", "o5", "o7"
);
}