5113f6f70
 김현기
kernel add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* arch/arm/include/asm/fpstate.h
*
* Copyright (C) 1995 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARM_FPSTATE_H
#define __ASM_ARM_FPSTATE_H
#ifndef __ASSEMBLY__
/*
* VFP storage area has:
* - FPEXC, FPSCR, FPINST and FPINST2.
* - 16 or 32 double precision data registers
* - an implementation-dependent word of state for FLDMX/FSTMX (pre-ARMv6)
*
* FPEXC will always be non-zero once the VFP has been used in this process.
*/
struct vfp_hard_struct {
#ifdef CONFIG_VFPv3
__u64 fpregs[32];
#else
__u64 fpregs[16];
#endif
#if __LINUX_ARM_ARCH__ < 6
__u32 fpmx_state;
#endif
__u32 fpexc;
__u32 fpscr;
/*
* VFP implementation specific state
*/
__u32 fpinst;
__u32 fpinst2;
#ifdef CONFIG_SMP
__u32 cpu;
#endif
};
union vfp_state {
struct vfp_hard_struct hard;
};
extern void vfp_flush_thread(union vfp_state *);
extern void vfp_release_thread(union vfp_state *);
#define FP_HARD_SIZE 35
struct fp_hard_struct {
unsigned int save[FP_HARD_SIZE]; /* as yet undefined */
};
#define FP_SOFT_SIZE 35
struct fp_soft_struct {
unsigned int save[FP_SOFT_SIZE]; /* undefined information */
};
#define IWMMXT_SIZE 0x98
struct iwmmxt_struct {
unsigned int save[IWMMXT_SIZE / sizeof(unsigned int)];
};
union fp_state {
struct fp_hard_struct hard;
struct fp_soft_struct soft;
#ifdef CONFIG_IWMMXT
struct iwmmxt_struct iwmmxt;
#endif
};
#define FP_SIZE (sizeof(union fp_state) / sizeof(int))
struct crunch_state {
unsigned int mvdx[16][2];
unsigned int mvax[4][3];
unsigned int dspsc[2];
};
#define CRUNCH_SIZE sizeof(struct crunch_state)
#endif
#endif
|