| wdenk | 4fc9569 | 2003-02-28 00:49:47 +0000 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-mips/regdefs.h |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | * |
| 8 | * Copyright (C) 1994, 1995 by Ralf Baechle |
| 9 | */ |
| 10 | |
| 11 | #ifndef __ASM_MIPS_REGDEF_H |
| 12 | #define __ASM_MIPS_REGDEF_H |
| 13 | |
| 14 | /* |
| 15 | * Symbolic register names for 32 bit ABI |
| 16 | */ |
| 17 | #define zero $0 /* wired zero */ |
| 18 | #define AT $1 /* assembler temp - uppercase because of ".set at" */ |
| 19 | #define v0 $2 /* return value */ |
| 20 | #define v1 $3 |
| 21 | #define a0 $4 /* argument registers */ |
| 22 | #define a1 $5 |
| 23 | #define a2 $6 |
| 24 | #define a3 $7 |
| 25 | #define t0 $8 /* caller saved */ |
| 26 | #define t1 $9 |
| 27 | #define t2 $10 |
| 28 | #define t3 $11 |
| 29 | #define t4 $12 |
| 30 | #define t5 $13 |
| 31 | #define t6 $14 |
| 32 | #define t7 $15 |
| 33 | #define s0 $16 /* callee saved */ |
| 34 | #define s1 $17 |
| 35 | #define s2 $18 |
| 36 | #define s3 $19 |
| 37 | #define s4 $20 |
| 38 | #define s5 $21 |
| 39 | #define s6 $22 |
| 40 | #define s7 $23 |
| 41 | #define t8 $24 /* caller saved */ |
| 42 | #define t9 $25 |
| 43 | #define jp $25 /* PIC jump register */ |
| 44 | #define k0 $26 /* kernel scratch */ |
| 45 | #define k1 $27 |
| 46 | #define gp $28 /* global pointer */ |
| 47 | #define sp $29 /* stack pointer */ |
| 48 | #define fp $30 /* frame pointer */ |
| 49 | #define s8 $30 /* same like fp! */ |
| 50 | #define ra $31 /* return address */ |
| 51 | |
| 52 | #endif /* __ASM_MIPS_REGDEF_H */ |