54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* $NetBSD: SYS.h,v 1.1 1995/02/10 17:49:50 cgd Exp $ */
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <machine/asm.h>
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#include <sys/syscall.h>
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#define CALLSYS(num) \
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CONST(num, v0); \
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call_pal 0x83; /* op_callsys */
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#define SYSCALL_NOLABEL(x) \
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CALLSYS(SYS_/**/x); \
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beq a3, 9f; \
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br gp, 8f; \
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8: SETGP(gp); \
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lda at_reg, cerror; \
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jmp zero, (at_reg); \
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9:
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#define SYSCALL(x) LEAF(x, 0 /* XXX */); SYSCALL_NOLABEL(x);
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#define RSYSCALL(x) SYSCALL(x); RET; END(x);
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#define PSEUDO(x,y) \
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LEAF(x,0); /* unknown # of args */ \
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CALLSYS(SYS_/**/y); \
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RET; \
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END(x);
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