regdef.h
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- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1985 MIPS Computer Systems, Inc.
- * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
- * Copyright (C) 1999 Ralf Baechle
- */
- #ifndef _ASM_REGDEF_H
- #define _ASM_REGDEF_H
- #define zero $0 /* wired zero */
- #define AT $at /* assembler temp - uppercase because of ".set at" */
- #define v0 $2 /* return value - caller saved */
- #define v1 $3
- #define a0 $4 /* argument registers */
- #define a1 $5
- #define a2 $6
- #define a3 $7
- #define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
- #define ta0 $8
- #define a5 $9
- #define ta1 $9
- #define a6 $10
- #define ta2 $10
- #define a7 $11
- #define ta3 $11
- #define t0 $12 /* caller saved */
- #define t1 $13
- #define t2 $14
- #define t3 $15
- #define s0 $16 /* callee saved */
- #define s1 $17
- #define s2 $18
- #define s3 $19
- #define s4 $20
- #define s5 $21
- #define s6 $22
- #define s7 $23
- #define t8 $24 /* caller saved */
- #define t9 $25 /* callee address for PIC/temp */
- #define jp $25 /* PIC jump register */
- #define k0 $26 /* kernel temporary */
- #define k1 $27
- #define gp $28 /* global pointer - caller saved for PIC */
- #define sp $29 /* stack pointer */
- #define fp $30 /* frame pointer */
- #define s8 $30 /* callee saved */
- #define ra $31 /* return address */
- #endif /* _ASM_REGDEF_H */