25 lines
549 B
ArmAsm
25 lines
549 B
ArmAsm
/* $NetBSD: __syscall.S,v 1.1 2014/09/03 19:34:26 matt Exp $ */
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#include <machine/asm.h>
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ENTRY(__syscall)
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l.or r13,r3,r0 /* syscall number */
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l.or r3,r4,r0
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l.or r4,r5,r0
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l.or r5,r6,r0
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l.or r6,r7,r0
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l.or r7,r8,r0
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// at most 5 arguments can be passed via registers so the others
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// must be on the stack.
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l.lwz r8,0(r1)
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l.lwz r11,4(r1) /* use return value regs for last 2 */
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l.lwz r12,8(r1) /* use return value regs for last 2 */
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l.sys 0
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l.bf _C_LABEL(__cerror)
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l.nop
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l.jr lr
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l.nop
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END(__syscall)
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STRONG_ALIAS(syscall, __syscall)
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