blob: c0a55050f70f416247174e6fe2c2a21315e1194a (
plain) (
blame)
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright IBM Corp. 2008
*
* Authors: Hollis Blanchard <hollisb@us.ibm.com>
*/
#ifndef __ASM_PPC_DISASSEMBLE_H__
#define __ASM_PPC_DISASSEMBLE_H__
#include <linux/types.h>
static inline unsigned int get_op(u32 inst)
{
return inst >> 26;
}
static inline unsigned int get_xop(u32 inst)
{
return (inst >> 1) & 0x3ff;
}
static inline unsigned int get_sprn(u32 inst)
{
return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
}
static inline unsigned int get_dcrn(u32 inst)
{
return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
}
static inline unsigned int get_tmrn(u32 inst)
{
return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
}
static inline unsigned int get_rt(u32 inst)
{
return (inst >> 21) & 0x1f;
}
static inline unsigned int get_rs(u32 inst)
{
return (inst >> 21) & 0x1f;
}
static inline unsigned int get_ra(u32 inst)
{
return (inst >> 16) & 0x1f;
}
static inline unsigned int get_rb(u32 inst)
{
return (inst >> 11) & 0x1f;
}
static inline unsigned int get_rc(u32 inst)
{
return inst & 0x1;
}
static inline unsigned int get_ws(u32 inst)
{
return (inst >> 11) & 0x1f;
}
static inline unsigned int get_d(u32 inst)
{
return inst & 0xffff;
}
static inline unsigned int get_oc(u32 inst)
{
return (inst >> 11) & 0x7fff;
}
static inline unsigned int get_tx_or_sx(u32 inst)
{
return (inst) & 0x1;
}
#define IS_XFORM(inst) (get_op(inst) == 31)
#define IS_DSFORM(inst) (get_op(inst) >= 56)
/*
* Create a DSISR value from the instruction
*/
static inline unsigned make_dsisr(unsigned instr)
{
unsigned dsisr;
/* bits 6:15 --> 22:31 */
dsisr = (instr & 0x03ff0000) >> 16;
if (IS_XFORM(instr)) {
/* bits 29:30 --> 15:16 */
dsisr |= (instr & 0x00000006) << 14;
/* bit 25 --> 17 */
dsisr |= (instr & 0x00000040) << 8;
/* bits 21:24 --> 18:21 */
dsisr |= (instr & 0x00000780) << 3;
} else {
/* bit 5 --> 17 */
dsisr |= (instr & 0x04000000) >> 12;
/* bits 1: 4 --> 18:21 */
dsisr |= (instr & 0x78000000) >> 17;
/* bits 30:31 --> 12:13 */
if (IS_DSFORM(instr))
dsisr |= (instr & 0x00000003) << 18;
}
return dsisr;
}
#endif /* __ASM_PPC_DISASSEMBLE_H__ */
|
