projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public | |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| 6 | * Copyright (C) 1985 MIPS Computer Systems, Inc. | |
| 7 | * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle | |
| 8 | * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc. | |
| 9 | */ | |
| 10 | #ifndef _ASM_REGDEF_H | |
| 11 | #define _ASM_REGDEF_H | |
| 12 | ||
| 13 | #include <asm/sgidefs.h> | |
| 14 | ||
| 15 | #if _MIPS_SIM == _MIPS_SIM_ABI32 | |
| 16 | ||
| 17 | /* | |
| 18 | * Symbolic register names for 32 bit ABI | |
| 19 | */ | |
| 20 | #define zero $0 /* wired zero */ | |
| 21 | #define AT $1 /* assembler temp - uppercase because of ".set at" */ | |
| 22 | #define v0 $2 /* return value */ | |
| 23 | #define v1 $3 | |
| 24 | #define a0 $4 /* argument registers */ | |
| 25 | #define a1 $5 | |
| 26 | #define a2 $6 | |
| 27 | #define a3 $7 | |
| 28 | #define t0 $8 /* caller saved */ | |
| 29 | #define t1 $9 | |
| 30 | #define t2 $10 | |
| 31 | #define t3 $11 | |
| 32 | #define t4 $12 | |
| 33 | #define t5 $13 | |
| 34 | #define t6 $14 | |
| 35 | #define t7 $15 | |
| 36 | #define s0 $16 /* callee saved */ | |
| 37 | #define s1 $17 | |
| 38 | #define s2 $18 | |
| 39 | #define s3 $19 | |
| 40 | #define s4 $20 | |
| 41 | #define s5 $21 | |
| 42 | #define s6 $22 | |
| 43 | #define s7 $23 | |
| 44 | #define t8 $24 /* caller saved */ | |
| 45 | #define t9 $25 | |
| 46 | #define jp $25 /* PIC jump register */ | |
| 47 | #define k0 $26 /* kernel scratch */ | |
| 48 | #define k1 $27 | |
| 49 | #define gp $28 /* global pointer */ | |
| 50 | #define sp $29 /* stack pointer */ | |
| 51 | #define fp $30 /* frame pointer */ | |
| 52 | #define s8 $30 /* same like fp! */ | |
| 53 | #define ra $31 /* return address */ | |
| 54 | ||
| 55 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ | |
| 56 | ||
| 57 | #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 | |
| 58 | ||
| 59 | #define zero $0 /* wired zero */ | |
| 60 | #define AT $at /* assembler temp - uppercase because of ".set at" */ | |
| 61 | #define v0 $2 /* return value - caller saved */ | |
| 62 | #define v1 $3 | |
| 63 | #define a0 $4 /* argument registers */ | |
| 64 | #define a1 $5 | |
| 65 | #define a2 $6 | |
| 66 | #define a3 $7 | |
| 67 | #define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */ | |
| 68 | #define ta0 $8 | |
| 69 | #define a5 $9 | |
| 70 | #define ta1 $9 | |
| 71 | #define a6 $10 | |
| 72 | #define ta2 $10 | |
| 73 | #define a7 $11 | |
| 74 | #define ta3 $11 | |
| 75 | #define t0 $12 /* caller saved */ | |
| 76 | #define t1 $13 | |
| 77 | #define t2 $14 | |
| 78 | #define t3 $15 | |
| 79 | #define s0 $16 /* callee saved */ | |
| 80 | #define s1 $17 | |
| 81 | #define s2 $18 | |
| 82 | #define s3 $19 | |
| 83 | #define s4 $20 | |
| 84 | #define s5 $21 | |
| 85 | #define s6 $22 | |
| 86 | #define s7 $23 | |
| 87 | #define t8 $24 /* caller saved */ | |
| 88 | #define t9 $25 /* callee address for PIC/temp */ | |
| 89 | #define jp $25 /* PIC jump register */ | |
| 90 | #define k0 $26 /* kernel temporary */ | |
| 91 | #define k1 $27 | |
| 92 | #define gp $28 /* global pointer - caller saved for PIC */ | |
| 93 | #define sp $29 /* stack pointer */ | |
| 94 | #define fp $30 /* frame pointer */ | |
| 95 | #define s8 $30 /* callee saved */ | |
| 96 | #define ra $31 /* return address */ | |
| 97 | ||
| 98 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */ | |
| 99 | ||
| 100 | #endif /* _ASM_REGDEF_H */ |