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1da177e4 LT |
1 | /* |
2 | * asmmacro.h: Assembler macros to make things easier to read. | |
3 | * | |
4 | * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) | |
5 | * Copyright (C) 1998, 1999 Ralf Baechle | |
6 | * Copyright (C) 1999 Silicon Graphics, Inc. | |
7 | */ | |
8 | #ifndef _ASM_ASMMACRO_64_H | |
9 | #define _ASM_ASMMACRO_64_H | |
10 | ||
048eb582 | 11 | #include <asm/asm-offsets.h> |
1da177e4 LT |
12 | #include <asm/regdef.h> |
13 | #include <asm/fpregdef.h> | |
14 | #include <asm/mipsregs.h> | |
15 | ||
16 | .macro fpu_save_16even thread tmp=t0 | |
17 | cfc1 \tmp, fcr31 | |
18 | sdc1 $f0, THREAD_FPR0(\thread) | |
19 | sdc1 $f2, THREAD_FPR2(\thread) | |
20 | sdc1 $f4, THREAD_FPR4(\thread) | |
21 | sdc1 $f6, THREAD_FPR6(\thread) | |
22 | sdc1 $f8, THREAD_FPR8(\thread) | |
23 | sdc1 $f10, THREAD_FPR10(\thread) | |
24 | sdc1 $f12, THREAD_FPR12(\thread) | |
25 | sdc1 $f14, THREAD_FPR14(\thread) | |
26 | sdc1 $f16, THREAD_FPR16(\thread) | |
27 | sdc1 $f18, THREAD_FPR18(\thread) | |
28 | sdc1 $f20, THREAD_FPR20(\thread) | |
29 | sdc1 $f22, THREAD_FPR22(\thread) | |
30 | sdc1 $f24, THREAD_FPR24(\thread) | |
31 | sdc1 $f26, THREAD_FPR26(\thread) | |
32 | sdc1 $f28, THREAD_FPR28(\thread) | |
33 | sdc1 $f30, THREAD_FPR30(\thread) | |
34 | sw \tmp, THREAD_FCR31(\thread) | |
35 | .endm | |
36 | ||
37 | .macro fpu_save_16odd thread | |
38 | sdc1 $f1, THREAD_FPR1(\thread) | |
39 | sdc1 $f3, THREAD_FPR3(\thread) | |
40 | sdc1 $f5, THREAD_FPR5(\thread) | |
41 | sdc1 $f7, THREAD_FPR7(\thread) | |
42 | sdc1 $f9, THREAD_FPR9(\thread) | |
43 | sdc1 $f11, THREAD_FPR11(\thread) | |
44 | sdc1 $f13, THREAD_FPR13(\thread) | |
45 | sdc1 $f15, THREAD_FPR15(\thread) | |
46 | sdc1 $f17, THREAD_FPR17(\thread) | |
47 | sdc1 $f19, THREAD_FPR19(\thread) | |
48 | sdc1 $f21, THREAD_FPR21(\thread) | |
49 | sdc1 $f23, THREAD_FPR23(\thread) | |
50 | sdc1 $f25, THREAD_FPR25(\thread) | |
51 | sdc1 $f27, THREAD_FPR27(\thread) | |
52 | sdc1 $f29, THREAD_FPR29(\thread) | |
53 | sdc1 $f31, THREAD_FPR31(\thread) | |
54 | .endm | |
55 | ||
c138e12f AN |
56 | .macro fpu_save_double thread status tmp |
57 | sll \tmp, \status, 5 | |
58 | bgez \tmp, 2f | |
1da177e4 LT |
59 | fpu_save_16odd \thread |
60 | 2: | |
c138e12f | 61 | fpu_save_16even \thread \tmp |
1da177e4 LT |
62 | .endm |
63 | ||
64 | .macro fpu_restore_16even thread tmp=t0 | |
65 | lw \tmp, THREAD_FCR31(\thread) | |
66 | ldc1 $f0, THREAD_FPR0(\thread) | |
67 | ldc1 $f2, THREAD_FPR2(\thread) | |
68 | ldc1 $f4, THREAD_FPR4(\thread) | |
69 | ldc1 $f6, THREAD_FPR6(\thread) | |
70 | ldc1 $f8, THREAD_FPR8(\thread) | |
71 | ldc1 $f10, THREAD_FPR10(\thread) | |
72 | ldc1 $f12, THREAD_FPR12(\thread) | |
73 | ldc1 $f14, THREAD_FPR14(\thread) | |
74 | ldc1 $f16, THREAD_FPR16(\thread) | |
75 | ldc1 $f18, THREAD_FPR18(\thread) | |
76 | ldc1 $f20, THREAD_FPR20(\thread) | |
77 | ldc1 $f22, THREAD_FPR22(\thread) | |
78 | ldc1 $f24, THREAD_FPR24(\thread) | |
79 | ldc1 $f26, THREAD_FPR26(\thread) | |
80 | ldc1 $f28, THREAD_FPR28(\thread) | |
81 | ldc1 $f30, THREAD_FPR30(\thread) | |
82 | ctc1 \tmp, fcr31 | |
83 | .endm | |
84 | ||
85 | .macro fpu_restore_16odd thread | |
86 | ldc1 $f1, THREAD_FPR1(\thread) | |
87 | ldc1 $f3, THREAD_FPR3(\thread) | |
88 | ldc1 $f5, THREAD_FPR5(\thread) | |
89 | ldc1 $f7, THREAD_FPR7(\thread) | |
90 | ldc1 $f9, THREAD_FPR9(\thread) | |
91 | ldc1 $f11, THREAD_FPR11(\thread) | |
92 | ldc1 $f13, THREAD_FPR13(\thread) | |
93 | ldc1 $f15, THREAD_FPR15(\thread) | |
94 | ldc1 $f17, THREAD_FPR17(\thread) | |
95 | ldc1 $f19, THREAD_FPR19(\thread) | |
96 | ldc1 $f21, THREAD_FPR21(\thread) | |
97 | ldc1 $f23, THREAD_FPR23(\thread) | |
98 | ldc1 $f25, THREAD_FPR25(\thread) | |
99 | ldc1 $f27, THREAD_FPR27(\thread) | |
100 | ldc1 $f29, THREAD_FPR29(\thread) | |
101 | ldc1 $f31, THREAD_FPR31(\thread) | |
102 | .endm | |
103 | ||
c138e12f AN |
104 | .macro fpu_restore_double thread status tmp |
105 | sll \tmp, \status, 5 | |
106 | bgez \tmp, 1f # 16 register mode? | |
1da177e4 | 107 | |
c138e12f AN |
108 | fpu_restore_16odd \thread |
109 | 1: fpu_restore_16even \thread \tmp | |
1da177e4 LT |
110 | .endm |
111 | ||
112 | .macro cpu_save_nonscratch thread | |
113 | LONG_S s0, THREAD_REG16(\thread) | |
114 | LONG_S s1, THREAD_REG17(\thread) | |
115 | LONG_S s2, THREAD_REG18(\thread) | |
116 | LONG_S s3, THREAD_REG19(\thread) | |
117 | LONG_S s4, THREAD_REG20(\thread) | |
118 | LONG_S s5, THREAD_REG21(\thread) | |
119 | LONG_S s6, THREAD_REG22(\thread) | |
120 | LONG_S s7, THREAD_REG23(\thread) | |
121 | LONG_S sp, THREAD_REG29(\thread) | |
122 | LONG_S fp, THREAD_REG30(\thread) | |
123 | .endm | |
124 | ||
125 | .macro cpu_restore_nonscratch thread | |
126 | LONG_L s0, THREAD_REG16(\thread) | |
127 | LONG_L s1, THREAD_REG17(\thread) | |
128 | LONG_L s2, THREAD_REG18(\thread) | |
129 | LONG_L s3, THREAD_REG19(\thread) | |
130 | LONG_L s4, THREAD_REG20(\thread) | |
131 | LONG_L s5, THREAD_REG21(\thread) | |
132 | LONG_L s6, THREAD_REG22(\thread) | |
133 | LONG_L s7, THREAD_REG23(\thread) | |
134 | LONG_L sp, THREAD_REG29(\thread) | |
135 | LONG_L fp, THREAD_REG30(\thread) | |
136 | LONG_L ra, THREAD_REG31(\thread) | |
137 | .endm | |
138 | ||
139 | #endif /* _ASM_ASMMACRO_64_H */ |