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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 * Copyright (C) 2011 Wind River Systems,
10 * written by Ralf Baechle <ralf@linux-mips.org>
11 */
12#ifndef _ASM_REGDEF_H
13#define _ASM_REGDEF_H
14
15#include <asm/sgidefs.h>
16
17#if _MIPS_SIM == _MIPS_SIM_ABI32
18
19/*
20 * Symbolic register names for 32 bit ABI
21 */
22#define zero $0 /* wired zero */
23#define AT $1 /* assembler temp - uppercase because of ".set at" */
24#define v0 $2 /* return value */
25#define v1 $3
26#define a0 $4 /* argument registers */
27#define a1 $5
28#define a2 $6
29#define a3 $7
30#define t0 $8 /* caller saved */
31#define t1 $9
32#define t2 $10
33#define t3 $11
34#define t4 $12
35#define ta0 $12
36#define t5 $13
37#define ta1 $13
38#define t6 $14
39#define ta2 $14
40#define t7 $15
41#define ta3 $15
42#define s0 $16 /* callee saved */
43#define s1 $17
44#define s2 $18
45#define s3 $19
46#define s4 $20
47#define s5 $21
48#define s6 $22
49#define s7 $23
50#define t8 $24 /* caller saved */
51#define t9 $25
52#define jp $25 /* PIC jump register */
53#define k0 $26 /* kernel scratch */
54#define k1 $27
55#define gp $28 /* global pointer */
56#define sp $29 /* stack pointer */
57#define fp $30 /* frame pointer */
58#define s8 $30 /* same like fp! */
59#define ra $31 /* return address */
60
61#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
62
63#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
64
65#define zero $0 /* wired zero */
66#define AT $at /* assembler temp - uppercase because of ".set at" */
67#define v0 $2 /* return value - caller saved */
68#define v1 $3
69#define a0 $4 /* argument registers */
70#define a1 $5
71#define a2 $6
72#define a3 $7
73#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
74#define ta0 $8
75#define a5 $9
76#define ta1 $9
77#define a6 $10
78#define ta2 $10
79#define a7 $11
80#define ta3 $11
81#define t0 $12 /* caller saved */
82#define t1 $13
83#define t2 $14
84#define t3 $15
85#define s0 $16 /* callee saved */
86#define s1 $17
87#define s2 $18
88#define s3 $19
89#define s4 $20
90#define s5 $21
91#define s6 $22
92#define s7 $23
93#define t8 $24 /* caller saved */
94#define t9 $25 /* callee address for PIC/temp */
95#define jp $25 /* PIC jump register */
96#define k0 $26 /* kernel temporary */
97#define k1 $27
98#define gp $28 /* global pointer - caller saved for PIC */
99#define sp $29 /* stack pointer */
100#define fp $30 /* frame pointer */
101#define s8 $30 /* callee saved */
102#define ra $31 /* return address */
103
104#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
105
106#endif /* _ASM_REGDEF_H */
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 */