105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/**************************************************************************
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* *
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* Copyright (C) 1990-1992, Silicon Graphics, Inc. *
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* *
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* These coded instructions, statements, and computer programs contain *
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* unpublished proprietary information of Silicon Graphics, Inc., and *
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* are protected by Federal copyright law. They may not be disclosed *
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* to third parties or copied or duplicated in any form, in whole or *
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* in part, without the prior written consent of Silicon Graphics, Inc. *
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* *
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**************************************************************************/
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/*
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* Copyright 1985 by MIPS Computer Systems, Inc.
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*/
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#ifndef __SYS_REGDEF_H__
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#define __SYS_REGDEF_H__
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#ident "$Revision: 3.9 $"
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#include "sgidefs.h"
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#if (_MIPS_SIM == _ABIO32)
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#define zero $0 /* wired 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 /* caller saved */
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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 /* caller saved - 32 bit env arg reg 64 bit */
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#define ta0 $12 /* caller saved in 32 bit - arg regs in 64 bit */
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#define t5 $13
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#define ta1 $13
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#define t6 $14
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#define ta2 $14
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#define t7 $15
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#define ta3 $15
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#define s0 $16 /* 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 /* code generator */
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#define t9 $25
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#define jp $25 /* PIC jump register */
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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 fp $30 /* frame pointer */
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#define s8 $30 /* calle saved */
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#define ra $31 /* return address */
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#endif
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#if (_MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32)
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#define zero $0 /* wired zero */
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#define AT $at /* assembler temp */
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#define v0 $2 /* return value - caller saved */
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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 a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
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#define ta0 $8
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#define a5 $9
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#define ta1 $9
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#define a6 $10
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#define ta2 $10
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#define a7 $11
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#define ta3 $11
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#define t0 $12 /* caller saved */
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#define t1 $13
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#define t2 $14
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#define t3 $15
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#define s0 $16 /* 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 /* caller saved */
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#define t9 $25 /* callee address for PIC/temp */
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#define jp $25 /* PIC jump register */
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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 - caller saved for PIC */
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#define sp $29 /* stack pointer */
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#define fp $30 /* frame pointer */
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#define s8 $30 /* callee saved */
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#define ra $31 /* return address */
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#endif
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#endif /* __SYS_REGDEF_H__ */
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