xref: /linux/arch/mips/include/asm/fpregdef.h (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)
1*384740dcSRalf Baechle /*
2*384740dcSRalf Baechle  * Definitions for the FPU register names
3*384740dcSRalf Baechle  *
4*384740dcSRalf Baechle  * This file is subject to the terms and conditions of the GNU General Public
5*384740dcSRalf Baechle  * License.  See the file "COPYING" in the main directory of this archive
6*384740dcSRalf Baechle  * for more details.
7*384740dcSRalf Baechle  *
8*384740dcSRalf Baechle  * Copyright (C) 1995, 1999 Ralf Baechle
9*384740dcSRalf Baechle  * Copyright (C) 1985 MIPS Computer Systems, Inc.
10*384740dcSRalf Baechle  * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
11*384740dcSRalf Baechle  */
12*384740dcSRalf Baechle #ifndef _ASM_FPREGDEF_H
13*384740dcSRalf Baechle #define _ASM_FPREGDEF_H
14*384740dcSRalf Baechle 
15*384740dcSRalf Baechle #include <asm/sgidefs.h>
16*384740dcSRalf Baechle 
17*384740dcSRalf Baechle #if _MIPS_SIM == _MIPS_SIM_ABI32
18*384740dcSRalf Baechle 
19*384740dcSRalf Baechle /*
20*384740dcSRalf Baechle  * These definitions only cover the R3000-ish 16/32 register model.
21*384740dcSRalf Baechle  * But we're trying to be R3000 friendly anyway ...
22*384740dcSRalf Baechle  */
23*384740dcSRalf Baechle #define fv0	$f0	 /* return value */
24*384740dcSRalf Baechle #define fv0f	$f1
25*384740dcSRalf Baechle #define fv1	$f2
26*384740dcSRalf Baechle #define fv1f	$f3
27*384740dcSRalf Baechle #define fa0	$f12	 /* argument registers */
28*384740dcSRalf Baechle #define fa0f	$f13
29*384740dcSRalf Baechle #define fa1	$f14
30*384740dcSRalf Baechle #define fa1f	$f15
31*384740dcSRalf Baechle #define ft0	$f4	 /* caller saved */
32*384740dcSRalf Baechle #define ft0f	$f5
33*384740dcSRalf Baechle #define ft1	$f6
34*384740dcSRalf Baechle #define ft1f	$f7
35*384740dcSRalf Baechle #define ft2	$f8
36*384740dcSRalf Baechle #define ft2f	$f9
37*384740dcSRalf Baechle #define ft3	$f10
38*384740dcSRalf Baechle #define ft3f	$f11
39*384740dcSRalf Baechle #define ft4	$f16
40*384740dcSRalf Baechle #define ft4f	$f17
41*384740dcSRalf Baechle #define ft5	$f18
42*384740dcSRalf Baechle #define ft5f	$f19
43*384740dcSRalf Baechle #define fs0	$f20	 /* callee saved */
44*384740dcSRalf Baechle #define fs0f	$f21
45*384740dcSRalf Baechle #define fs1	$f22
46*384740dcSRalf Baechle #define fs1f	$f23
47*384740dcSRalf Baechle #define fs2	$f24
48*384740dcSRalf Baechle #define fs2f	$f25
49*384740dcSRalf Baechle #define fs3	$f26
50*384740dcSRalf Baechle #define fs3f	$f27
51*384740dcSRalf Baechle #define fs4	$f28
52*384740dcSRalf Baechle #define fs4f	$f29
53*384740dcSRalf Baechle #define fs5	$f30
54*384740dcSRalf Baechle #define fs5f	$f31
55*384740dcSRalf Baechle 
56*384740dcSRalf Baechle #define fcr31	$31	 /* FPU status register */
57*384740dcSRalf Baechle 
58*384740dcSRalf Baechle #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
59*384740dcSRalf Baechle 
60*384740dcSRalf Baechle #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
61*384740dcSRalf Baechle 
62*384740dcSRalf Baechle #define fv0	$f0	/* return value */
63*384740dcSRalf Baechle #define fv1	$f2
64*384740dcSRalf Baechle #define fa0	$f12	/* argument registers */
65*384740dcSRalf Baechle #define fa1	$f13
66*384740dcSRalf Baechle #define fa2	$f14
67*384740dcSRalf Baechle #define fa3	$f15
68*384740dcSRalf Baechle #define fa4	$f16
69*384740dcSRalf Baechle #define fa5	$f17
70*384740dcSRalf Baechle #define fa6	$f18
71*384740dcSRalf Baechle #define fa7	$f19
72*384740dcSRalf Baechle #define ft0	$f4	/* caller saved */
73*384740dcSRalf Baechle #define ft1	$f5
74*384740dcSRalf Baechle #define ft2	$f6
75*384740dcSRalf Baechle #define ft3	$f7
76*384740dcSRalf Baechle #define ft4	$f8
77*384740dcSRalf Baechle #define ft5	$f9
78*384740dcSRalf Baechle #define ft6	$f10
79*384740dcSRalf Baechle #define ft7	$f11
80*384740dcSRalf Baechle #define ft8	$f20
81*384740dcSRalf Baechle #define ft9	$f21
82*384740dcSRalf Baechle #define ft10	$f22
83*384740dcSRalf Baechle #define ft11	$f23
84*384740dcSRalf Baechle #define ft12	$f1
85*384740dcSRalf Baechle #define ft13	$f3
86*384740dcSRalf Baechle #define fs0	$f24	/* callee saved */
87*384740dcSRalf Baechle #define fs1	$f25
88*384740dcSRalf Baechle #define fs2	$f26
89*384740dcSRalf Baechle #define fs3	$f27
90*384740dcSRalf Baechle #define fs4	$f28
91*384740dcSRalf Baechle #define fs5	$f29
92*384740dcSRalf Baechle #define fs6	$f30
93*384740dcSRalf Baechle #define fs7	$f31
94*384740dcSRalf Baechle 
95*384740dcSRalf Baechle #define fcr31	$31
96*384740dcSRalf Baechle 
97*384740dcSRalf Baechle #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
98*384740dcSRalf Baechle 
99*384740dcSRalf Baechle #endif /* _ASM_FPREGDEF_H */
100