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
6
* Copyright (C) 1996, 1998 by Ralf Baechle
8
* Multi-arch abstraction and asm macros for easier reading:
9
* Copyright (C) 1996 David S. Miller (davem@davemloft.net)
11
* Further modifications to make this work:
12
* Copyright (c) 1998 Harald Koerfgen
15
#include <asm/errno.h>
16
#include <asm/fpregdef.h>
17
#include <asm/mipsregs.h>
18
#include <asm/asm-offsets.h>
19
#include <asm/regdef.h>
23
.section __ex_table,"a"; \
29
/* Save floating point context */
30
LEAF(_save_fp_context)
31
li v0, 0 # assume success
33
EX(swc1 $f0,(SC_FPREGS+0)(a0))
34
EX(swc1 $f1,(SC_FPREGS+8)(a0))
35
EX(swc1 $f2,(SC_FPREGS+16)(a0))
36
EX(swc1 $f3,(SC_FPREGS+24)(a0))
37
EX(swc1 $f4,(SC_FPREGS+32)(a0))
38
EX(swc1 $f5,(SC_FPREGS+40)(a0))
39
EX(swc1 $f6,(SC_FPREGS+48)(a0))
40
EX(swc1 $f7,(SC_FPREGS+56)(a0))
41
EX(swc1 $f8,(SC_FPREGS+64)(a0))
42
EX(swc1 $f9,(SC_FPREGS+72)(a0))
43
EX(swc1 $f10,(SC_FPREGS+80)(a0))
44
EX(swc1 $f11,(SC_FPREGS+88)(a0))
45
EX(swc1 $f12,(SC_FPREGS+96)(a0))
46
EX(swc1 $f13,(SC_FPREGS+104)(a0))
47
EX(swc1 $f14,(SC_FPREGS+112)(a0))
48
EX(swc1 $f15,(SC_FPREGS+120)(a0))
49
EX(swc1 $f16,(SC_FPREGS+128)(a0))
50
EX(swc1 $f17,(SC_FPREGS+136)(a0))
51
EX(swc1 $f18,(SC_FPREGS+144)(a0))
52
EX(swc1 $f19,(SC_FPREGS+152)(a0))
53
EX(swc1 $f20,(SC_FPREGS+160)(a0))
54
EX(swc1 $f21,(SC_FPREGS+168)(a0))
55
EX(swc1 $f22,(SC_FPREGS+176)(a0))
56
EX(swc1 $f23,(SC_FPREGS+184)(a0))
57
EX(swc1 $f24,(SC_FPREGS+192)(a0))
58
EX(swc1 $f25,(SC_FPREGS+200)(a0))
59
EX(swc1 $f26,(SC_FPREGS+208)(a0))
60
EX(swc1 $f27,(SC_FPREGS+216)(a0))
61
EX(swc1 $f28,(SC_FPREGS+224)(a0))
62
EX(swc1 $f29,(SC_FPREGS+232)(a0))
63
EX(swc1 $f30,(SC_FPREGS+240)(a0))
64
EX(swc1 $f31,(SC_FPREGS+248)(a0))
65
EX(sw t1,(SC_FPC_CSR)(a0))
66
cfc1 t0,$0 # implementation/version
69
EX(sw t0,(SC_FPC_EIR)(a0))
76
* - cp1 status/control register
78
* We base the decision which registers to restore from the signal stack
79
* frame on the current content of c0_status, not on the content of the
80
* stack frame which might have been changed by the user.
82
LEAF(_restore_fp_context)
83
li v0, 0 # assume success
84
EX(lw t0,(SC_FPC_CSR)(a0))
85
EX(lwc1 $f0,(SC_FPREGS+0)(a0))
86
EX(lwc1 $f1,(SC_FPREGS+8)(a0))
87
EX(lwc1 $f2,(SC_FPREGS+16)(a0))
88
EX(lwc1 $f3,(SC_FPREGS+24)(a0))
89
EX(lwc1 $f4,(SC_FPREGS+32)(a0))
90
EX(lwc1 $f5,(SC_FPREGS+40)(a0))
91
EX(lwc1 $f6,(SC_FPREGS+48)(a0))
92
EX(lwc1 $f7,(SC_FPREGS+56)(a0))
93
EX(lwc1 $f8,(SC_FPREGS+64)(a0))
94
EX(lwc1 $f9,(SC_FPREGS+72)(a0))
95
EX(lwc1 $f10,(SC_FPREGS+80)(a0))
96
EX(lwc1 $f11,(SC_FPREGS+88)(a0))
97
EX(lwc1 $f12,(SC_FPREGS+96)(a0))
98
EX(lwc1 $f13,(SC_FPREGS+104)(a0))
99
EX(lwc1 $f14,(SC_FPREGS+112)(a0))
100
EX(lwc1 $f15,(SC_FPREGS+120)(a0))
101
EX(lwc1 $f16,(SC_FPREGS+128)(a0))
102
EX(lwc1 $f17,(SC_FPREGS+136)(a0))
103
EX(lwc1 $f18,(SC_FPREGS+144)(a0))
104
EX(lwc1 $f19,(SC_FPREGS+152)(a0))
105
EX(lwc1 $f20,(SC_FPREGS+160)(a0))
106
EX(lwc1 $f21,(SC_FPREGS+168)(a0))
107
EX(lwc1 $f22,(SC_FPREGS+176)(a0))
108
EX(lwc1 $f23,(SC_FPREGS+184)(a0))
109
EX(lwc1 $f24,(SC_FPREGS+192)(a0))
110
EX(lwc1 $f25,(SC_FPREGS+200)(a0))
111
EX(lwc1 $f26,(SC_FPREGS+208)(a0))
112
EX(lwc1 $f27,(SC_FPREGS+216)(a0))
113
EX(lwc1 $f28,(SC_FPREGS+224)(a0))
114
EX(lwc1 $f29,(SC_FPREGS+232)(a0))
115
EX(lwc1 $f30,(SC_FPREGS+240)(a0))
116
EX(lwc1 $f31,(SC_FPREGS+248)(a0))
119
END(_restore_fp_context)
124
fault: li v0, -EFAULT