[XFS] Fix race condition in xfs_write().
[linux-2.6] / include / asm-mips / asmmacro-32.h
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, 2003 Ralf Baechle
6  */
7 #ifndef _ASM_ASMMACRO_32_H
8 #define _ASM_ASMMACRO_32_H
9
10 #include <asm/asm-offsets.h>
11 #include <asm/regdef.h>
12 #include <asm/fpregdef.h>
13 #include <asm/mipsregs.h>
14
15         .macro  fpu_save_double thread status tmp1=t0
16         cfc1    \tmp1,  fcr31
17         sdc1    $f0,  THREAD_FPR0(\thread)
18         sdc1    $f2,  THREAD_FPR2(\thread)
19         sdc1    $f4,  THREAD_FPR4(\thread)
20         sdc1    $f6,  THREAD_FPR6(\thread)
21         sdc1    $f8,  THREAD_FPR8(\thread)
22         sdc1    $f10, THREAD_FPR10(\thread)
23         sdc1    $f12, THREAD_FPR12(\thread)
24         sdc1    $f14, THREAD_FPR14(\thread)
25         sdc1    $f16, THREAD_FPR16(\thread)
26         sdc1    $f18, THREAD_FPR18(\thread)
27         sdc1    $f20, THREAD_FPR20(\thread)
28         sdc1    $f22, THREAD_FPR22(\thread)
29         sdc1    $f24, THREAD_FPR24(\thread)
30         sdc1    $f26, THREAD_FPR26(\thread)
31         sdc1    $f28, THREAD_FPR28(\thread)
32         sdc1    $f30, THREAD_FPR30(\thread)
33         sw      \tmp1, THREAD_FCR31(\thread)
34         .endm
35
36         .macro  fpu_save_single thread tmp=t0
37         cfc1    \tmp,  fcr31
38         swc1    $f0,  THREAD_FPR0(\thread)
39         swc1    $f1,  THREAD_FPR1(\thread)
40         swc1    $f2,  THREAD_FPR2(\thread)
41         swc1    $f3,  THREAD_FPR3(\thread)
42         swc1    $f4,  THREAD_FPR4(\thread)
43         swc1    $f5,  THREAD_FPR5(\thread)
44         swc1    $f6,  THREAD_FPR6(\thread)
45         swc1    $f7,  THREAD_FPR7(\thread)
46         swc1    $f8,  THREAD_FPR8(\thread)
47         swc1    $f9,  THREAD_FPR9(\thread)
48         swc1    $f10, THREAD_FPR10(\thread)
49         swc1    $f11, THREAD_FPR11(\thread)
50         swc1    $f12, THREAD_FPR12(\thread)
51         swc1    $f13, THREAD_FPR13(\thread)
52         swc1    $f14, THREAD_FPR14(\thread)
53         swc1    $f15, THREAD_FPR15(\thread)
54         swc1    $f16, THREAD_FPR16(\thread)
55         swc1    $f17, THREAD_FPR17(\thread)
56         swc1    $f18, THREAD_FPR18(\thread)
57         swc1    $f19, THREAD_FPR19(\thread)
58         swc1    $f20, THREAD_FPR20(\thread)
59         swc1    $f21, THREAD_FPR21(\thread)
60         swc1    $f22, THREAD_FPR22(\thread)
61         swc1    $f23, THREAD_FPR23(\thread)
62         swc1    $f24, THREAD_FPR24(\thread)
63         swc1    $f25, THREAD_FPR25(\thread)
64         swc1    $f26, THREAD_FPR26(\thread)
65         swc1    $f27, THREAD_FPR27(\thread)
66         swc1    $f28, THREAD_FPR28(\thread)
67         swc1    $f29, THREAD_FPR29(\thread)
68         swc1    $f30, THREAD_FPR30(\thread)
69         swc1    $f31, THREAD_FPR31(\thread)
70         sw      \tmp, THREAD_FCR31(\thread)
71         .endm
72
73         .macro  fpu_restore_double thread status tmp=t0
74         lw      \tmp, THREAD_FCR31(\thread)
75         ldc1    $f0,  THREAD_FPR0(\thread)
76         ldc1    $f2,  THREAD_FPR2(\thread)
77         ldc1    $f4,  THREAD_FPR4(\thread)
78         ldc1    $f6,  THREAD_FPR6(\thread)
79         ldc1    $f8,  THREAD_FPR8(\thread)
80         ldc1    $f10, THREAD_FPR10(\thread)
81         ldc1    $f12, THREAD_FPR12(\thread)
82         ldc1    $f14, THREAD_FPR14(\thread)
83         ldc1    $f16, THREAD_FPR16(\thread)
84         ldc1    $f18, THREAD_FPR18(\thread)
85         ldc1    $f20, THREAD_FPR20(\thread)
86         ldc1    $f22, THREAD_FPR22(\thread)
87         ldc1    $f24, THREAD_FPR24(\thread)
88         ldc1    $f26, THREAD_FPR26(\thread)
89         ldc1    $f28, THREAD_FPR28(\thread)
90         ldc1    $f30, THREAD_FPR30(\thread)
91         ctc1    \tmp, fcr31
92         .endm
93
94         .macro  fpu_restore_single thread tmp=t0
95         lw      \tmp, THREAD_FCR31(\thread)
96         lwc1    $f0,  THREAD_FPR0(\thread)
97         lwc1    $f1,  THREAD_FPR1(\thread)
98         lwc1    $f2,  THREAD_FPR2(\thread)
99         lwc1    $f3,  THREAD_FPR3(\thread)
100         lwc1    $f4,  THREAD_FPR4(\thread)
101         lwc1    $f5,  THREAD_FPR5(\thread)
102         lwc1    $f6,  THREAD_FPR6(\thread)
103         lwc1    $f7,  THREAD_FPR7(\thread)
104         lwc1    $f8,  THREAD_FPR8(\thread)
105         lwc1    $f9,  THREAD_FPR9(\thread)
106         lwc1    $f10, THREAD_FPR10(\thread)
107         lwc1    $f11, THREAD_FPR11(\thread)
108         lwc1    $f12, THREAD_FPR12(\thread)
109         lwc1    $f13, THREAD_FPR13(\thread)
110         lwc1    $f14, THREAD_FPR14(\thread)
111         lwc1    $f15, THREAD_FPR15(\thread)
112         lwc1    $f16, THREAD_FPR16(\thread)
113         lwc1    $f17, THREAD_FPR17(\thread)
114         lwc1    $f18, THREAD_FPR18(\thread)
115         lwc1    $f19, THREAD_FPR19(\thread)
116         lwc1    $f20, THREAD_FPR20(\thread)
117         lwc1    $f21, THREAD_FPR21(\thread)
118         lwc1    $f22, THREAD_FPR22(\thread)
119         lwc1    $f23, THREAD_FPR23(\thread)
120         lwc1    $f24, THREAD_FPR24(\thread)
121         lwc1    $f25, THREAD_FPR25(\thread)
122         lwc1    $f26, THREAD_FPR26(\thread)
123         lwc1    $f27, THREAD_FPR27(\thread)
124         lwc1    $f28, THREAD_FPR28(\thread)
125         lwc1    $f29, THREAD_FPR29(\thread)
126         lwc1    $f30, THREAD_FPR30(\thread)
127         lwc1    $f31, THREAD_FPR31(\thread)
128         ctc1    \tmp, fcr31
129         .endm
130
131         .macro  cpu_save_nonscratch thread
132         LONG_S  s0, THREAD_REG16(\thread)
133         LONG_S  s1, THREAD_REG17(\thread)
134         LONG_S  s2, THREAD_REG18(\thread)
135         LONG_S  s3, THREAD_REG19(\thread)
136         LONG_S  s4, THREAD_REG20(\thread)
137         LONG_S  s5, THREAD_REG21(\thread)
138         LONG_S  s6, THREAD_REG22(\thread)
139         LONG_S  s7, THREAD_REG23(\thread)
140         LONG_S  sp, THREAD_REG29(\thread)
141         LONG_S  fp, THREAD_REG30(\thread)
142         .endm
143
144         .macro  cpu_restore_nonscratch thread
145         LONG_L  s0, THREAD_REG16(\thread)
146         LONG_L  s1, THREAD_REG17(\thread)
147         LONG_L  s2, THREAD_REG18(\thread)
148         LONG_L  s3, THREAD_REG19(\thread)
149         LONG_L  s4, THREAD_REG20(\thread)
150         LONG_L  s5, THREAD_REG21(\thread)
151         LONG_L  s6, THREAD_REG22(\thread)
152         LONG_L  s7, THREAD_REG23(\thread)
153         LONG_L  sp, THREAD_REG29(\thread)
154         LONG_L  fp, THREAD_REG30(\thread)
155         LONG_L  ra, THREAD_REG31(\thread)
156         .endm
157
158 #endif /* _ASM_ASMMACRO_32_H */