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/*
* arch/sh/pipe.S
*
* The pipe system call is special on sh: it returns
* the two file descriptors in r0 and r1.
*/
#include <asm/unistd.h>
.section ".text.syscall","ax"
.align 2
.globl pipe
.type pipe,@function
pipe:
mov #__NR_pipe, r3
trapa #0x10
mov.l 1f,r2
cmp/hs r0,r2
bt/s 3f
neg r0,r2
mov.l 2f,r3
mov.l r2,@r3
rts
mov #-1,r0
3:
mov.l r0, @r4
mov.l r1, @(4, r4)
rts
mov #0,r0
.align 2
1: .long -4096 /* Errno limit */
2: .long errno
.size pipe,.-pipe
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