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106 lines
2.6 KiB
106 lines
2.6 KiB
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 1985 MIPS Computer Systems, Inc. |
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* Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle |
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* Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc. |
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* Copyright (C) 2011 Wind River Systems, |
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* written by Ralf Baechle <[email protected]> |
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*/ |
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#ifndef _ASM_REGDEF_H |
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#define _ASM_REGDEF_H |
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#include <asm/sgidefs.h> |
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#if _MIPS_SIM == _MIPS_SIM_ABI32 |
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/* |
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* Symbolic register names for 32 bit ABI |
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*/ |
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#define zero $0 /* wired zero */ |
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#define AT $1 /* assembler temp - uppercase because of ".set at" */ |
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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 |
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#define ta0 $12 |
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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 /* caller saved */ |
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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 scratch */ |
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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 /* same like fp! */ |
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#define ra $31 /* return address */ |
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#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ |
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#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 |
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#define zero $0 /* wired zero */ |
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#define AT $at /* assembler temp - uppercase because of ".set at" */ |
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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 /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */ |
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#endif /* _ASM_REGDEF_H */
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