Paul Pan
22e469ceec
2. datapath OFA fix2 3. datapath C0 hazard 4. MMU buffer Co-authored-by: cxy004 <cxy004@qq.com> Co-authored-by: Hooo1941 <Hooo1941@users.noreply.github.com>
113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
/* $OpenBSD: regdef.h,v 1.3 1999/01/27 04:46:06 imp Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. 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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* Ralph Campbell. This file is derived from the MIPS RISC
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* Architecture book by Gerry Kane.
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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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* @(#)regdef.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _MIPS_REGDEF_H_
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#define _MIPS_REGDEF_H_
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#define zero $0 /* always zero */
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#define AT $at /* assembler temp */
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#define v0 $2 /* return value */
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#define v1 $3
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#define a0 $4 /* argument registers */
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#define a1 $5
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#define a2 $6
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#define a3 $7
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#define t0 $8 /* temp registers (not saved across subroutine calls) */
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#define t1 $9
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#define t2 $10
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#define t3 $11
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#define t4 $12
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#define t5 $13
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#define t6 $14
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#define t7 $15
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#define s0 $16 /* saved across subroutine calls (callee saved) */
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#define s1 $17
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#define s2 $18
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#define s3 $19
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#define s4 $20
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#define s5 $21
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#define s6 $22
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#define s7 $23
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#define t8 $24 /* two more temp registers */
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#define t9 $25
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#define k0 $26 /* kernel temporary */
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#define k1 $27
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#define gp $28 /* global pointer */
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#define sp $29 /* stack pointer */
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#define s8 $30 /* one more callee saved */
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#define ra $31 /* return address */
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#define fp $30
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#define c0_index $0
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#define c0_random $1
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#define c0_entrylo0 $2
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#define c0_entrylo1 $3
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#define c0_conf $3
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#define c0_context $4
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#define c0_pagemask $5
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#define c0_wired $6
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#define c0_info $7
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#define c0_badvaddr $8
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#define c0_count $9
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#define c0_entryhi $10
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#define c0_compare $11
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#define c0_status $12
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#define c0_cause $13
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#define c0_epc $14
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#define c0_prid $15
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#define c0_config $16
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#define c0_lladdr $17
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#define c0_watchlo $18
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#define c0_watchhi $19
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#define c0_xcontext $20
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#define c0_framemask $21
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#define c0_diagnostic $22
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#define c0_debug $23
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#define c0_depc $24
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#define c0_performance $25
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#define c0_ecc $26
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#define c0_cacheerr $27
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#define c0_taglo $28
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#define c0_taghi $29
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#define c0_errorepc $30
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#define c0_desave $31
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#endif /* !_MIPS_REGDEF_H_ */
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