table.c

早期freebsd实现

/*-
 * Copyright (c) 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Computer Consoles Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)table.c	7.1 (Berkeley) 12/6/90
 */

#include "align.h"
/*   WARNING !!!  Do not use register 6 and register 7 in any of the emulation
 *       code.  The macro Set_psl has use these two registers to set the
 *       user psl to the current kernel psl.
 *
 */

#define	insque	cannot_do	/* Can't emulate un-interruptable opcode ! */
#define	remque	cannot_do	/* Can't emulate un-interruptable opcode ! */
#define	addb2	add2
#define	addb3	add3
#define	addl2	add2
#define	addl3	add3
#define	addw2	add2
#define	addw3	add3
#define	andb2	and2
#define	andb3	and3
#define	andl2	and2
#define	andl3	and3
#define	andw2	and2
#define	andw3	and3
#define	atanf	not_needed
#define	kcall	cannot_do	/* Too complicated to emulate completely */
#define	bbssi	cannot_do	/* Interlock memory during emulation ??? */
#define	bcc	not_needed
#define	bcs	not_needed
#define	beql	not_needed
#define	bgeq	not_needed
#define	bgtr	not_needed
#define	bgtru	not_needed
#define	bitb	bit
#define	bitl	bit
#define	bitw	bit
#define	bleq	not_needed
#define	blequ	not_needed
#define	blss	not_needed
#define	bnequ	not_needed
#define	bpt	not_needed
#define	brb	not_needed
#define	brw	not_needed
#define	bvc	not_needed
#define	bvs	not_needed
#define	callf	not_needed 
#define	calls	not_needed 
#define	clrb	clr
#define	clrl	clr
#define	clrw	clr
#define	cmpb	cmp
#define	cmpl	cmp
#define	cmps2	not_needed
#define	cmps3	not_needed
#define	cmpw	cmp
#define	cosf	not_needed
#define	cvdf	not_needed
#define	cvtbl	cvt
#define	cvtbw	cvt
#define	cvtwl	cvt
#define	cvtwb	cvtlb
#define	decb	dec
#define	decl	dec
#define	decw	dec
#define	expf	not_needed
#define	ffs	ffs_op
#define	incb	inc
#define	incl	inc
#define	incw	inc
#define	ldpctx	not_needed
#define	logf	not_needed
#define	mcomb	mcom
#define	mcoml	mcom
#define	mcomw	mcom
#define	mnegb	mneg
#define	mnegl	mneg
#define	mnegw	mneg
#define	movab	mova
#define	moval	mova
#define	movaw	mova
#define	movow	cannot_do	/* 2 X movob != movow !! See any HW spec ! */
#define movob	movob_op
#define	movb	mov
#define	movblk	not_needed
#define	movl	mov
#define	movs2	not_needed
#define	movs3	not_needed
#define	movw	mov
#define	negd	not_needed
#define	negf	not_needed
#define	nop	not_needed
#define	orb2	or2
#define	orb3	or3
#define	orl2	or2
#define	orl3	or3
#define	orw2	or2
#define	orw3	or3
#define	pushab	pusha
#define	pushal	pusha
#define	pushaw	pusha
#define	pushb	pushx
#define	pushd	not_needed
#define	pushl	pushx
#define	pushw	pushx
#define	rei	not_needed
#define	ret	not_needed
#define	sinf	not_needed
#define	sqrtf	not_needed
#define	subb2	sub2
#define	subb3	sub3
#define	subl2	sub2
#define	subl3	sub3
#define	subw2	sub2
#define	subw3	sub3
#define	svpctx	not_needed
#define	tstb	tst
#define	tstd	not_needed
#define	tstf	not_needed
#define	tstl	tst
#define	tstw	tst
#define	xorb2	xor2
#define	xorb3	xor3
#define	xorl2	xor2
#define	xorl3	xor3
#define	xorw2	xor2
#define	xorw3	xor3
#define movzbl	movzb
#define movzbw	movzb
#define	halt	not_needed		/* Privileged to user */
#define	illegal	not_needed		/* Should be trapped by HW */
#define	mtpr	not_needed		/* Privileged to user */
#define	mfpr	not_needed		/* Privileged to user */
#define	btcs	not_needed		/* Privileged to user */

int	add2();
int	add3();
int	adda();
int	addd();
int	addf();
int	adwc();
int	and2();
int	and3();
int	aobleq();
int	aoblss();
int	bbc();
int	bbs();
int	bbssi();
int	bcc();
int	bcs();
int	beql();
int	bgeq();
int	bgtr();
int	bgtru();
int	bicpsw();
int	bispsw();
int	bit();
int	bleq();
int	blequ();
int	blss();
int	bnequ();
int	btcs();
int	bvc();
int	bvs();
int	call();
int	casel();
int	clr();
int	cmp();
int	cmpd();
int	cmpd2();
int	cmpf();
int	cmpf2();
int	cvdl();
int	cvfl();
int	cvld();
int	cvlf();
int	cvt();
int	cvt();
int	cvtlb();
int	cvtlw();
int	dec();
int	divd();
int	divf();
int	divl2();
int	divl3();
int	ediv();
int	emul();
int	ffc();
int	ffs_op();
int	halt();
int	illegal();
int	inc();
int	insque();
int	jmp();
int	kcall();
int	ldd();
int	ldf();
int	ldfd();
int	lnd();
int	lnf();
int	loadr();
int	mcom();
int	mfpr();
int	mneg();
int	mov();
int	mova();
int	movob_op();
int	movow();
int	movpsl();
int	movzb();
int	movzwl();
int	mtpr();
int	muld();
int	mulf();
int	mull2();
int	mull3();
int	or2();
int	or3();
int	prober();
int	probew();
int	pusha();
int	pushx();
int	remque();
int	sbwc();
int	shal();
int	shar();
int	shll();
int	shlq();
int	shrl();
int	shrq();
int	std();
int	stf();
int	storer();
int	sub2();
int	sub3();
int	suba();
int	subd();