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/*
* arch/sh/syscall.S
*
* On sh, r3 contains the syscall number (set by generated stub);
* r4..r7 contain arguments 0-3 per the standard calling convention,
* and arguments 4-5 are passed in r0 and r1.
*
* The return value is in r0.
*/
.section ".text.syscall","ax"
.align 2
.globl __syscall_common
.type __syscall_common,@function
__syscall_common:
mov.l @(0,sp),r0
mov.l @(4,sp),r1
trapa #0x15
mov.l 1f,r1
cmp/hs r0,r1
bt/s 3f
neg r0,r1
mov.l 2f,r2
mov.l r1,@r2
rts
mov #-1,r0
3:
rts
nop
.align 2
1: .long -4096 /* Errno limit */
2: .long errno
.size __syscall_common,.-__syscall_common
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