103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)SYS.h 5.5 (Berkeley) 5/7/91
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* $NetBSD: SYS.h,v 1.1 2000/01/05 14:07:30 msaitoh Exp $
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*/
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#include <machine/asm.h>
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#include <sys/syscall.h>
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#ifdef __STDC__
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#define SYSTRAP(x) \
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mov.l 903f, r0; \
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.long 0xc380; /* trapa #0x80 */ \
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nop; \
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bra 904f; \
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nop; \
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.align 2; \
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903: .long (SYS_ ## x); \
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904:
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#else
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#define SYSTRAP(x) \
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mov.l 903f, r0; \
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trapa #0x80; \
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nop; \
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bra 904f; \
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nop; \
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.align 2; \
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903: .long (SYS_/**/x); \
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904:
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#endif
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#define _SYSCALL_NOERROR(x,y) \
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ENTRY(x); \
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SYSTRAP(y)
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#define _SYSCALL(x,y) \
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.text; \
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911: mov.l 912f, r3; \
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jmp @r3; \
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nop; \
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.align 2; \
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912: .long cerror; \
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_SYSCALL_NOERROR(x,y); \
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bf 911b; \
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nop
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#define SYSCALL_NOERROR(x) \
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_SYSCALL_NOERROR(x,x)
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#define SYSCALL(x) \
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_SYSCALL(x,x)
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#define PSEUDO_NOERROR(x,y) \
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_SYSCALL_NOERROR(x,y); \
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rts; \
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nop
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#define PSEUDO(x,y) \
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_SYSCALL(x,y); \
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rts; \
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nop
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#define RSYSCALL_NOERROR(x) \
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PSEUDO_NOERROR(x,x)
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#define RSYSCALL(x) \
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PSEUDO(x,x)
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.globl cerror
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