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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*-
* Copyright (c) 2003-2009 RMI Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of RMI Corporation, nor the names of its contributors,
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RMI_BSD */
#ifndef __MIPS_EXTS_H__
#define __MIPS_EXTS_H__
#define enable_KX(flags) __asm__ __volatile__ ( \
".set push\n" \
".set noat\n" \
".set noreorder\n" \
"mfc0 %0, $12\n\t" \
"ori $1, %0, 0x81\n\t" \
"xori $1, 1\n\t" \
"mtc0 $1, $12\n" \
".set pop\n" \
: "=r"(flags) )
#define disable_KX(flags) __asm__ __volatile__ ( \
".set push\n" \
"mtc0 %0, $12\n" \
".set pop\n" \
: : "r"(flags) )
#define CPU_BLOCKID_IFU 0
#define CPU_BLOCKID_ICU 1
#define CPU_BLOCKID_IEU 2
#define CPU_BLOCKID_LSU 3
#define CPU_BLOCKID_MMU 4
#define CPU_BLOCKID_PRF 5
#define LSU_CERRLOG_REGID 9
static __inline__ unsigned int read_32bit_phnx_ctrl_reg(int block, int reg)
{
unsigned int __res;
__asm__ __volatile__(
".set\tpush\n\t"
".set\tnoreorder\n\t"
"move $9, %1\n"
/* "mfcr\t$8, $9\n\t" */
".word 0x71280018\n"
"move %0, $8\n"
".set\tpop"
: "=r" (__res) : "r"((block<<8)|reg)
: "$8", "$9"
);
return __res;
}
static __inline__ void write_32bit_phnx_ctrl_reg(int block, int reg, unsigned int value)
{
__asm__ __volatile__(
".set\tpush\n\t"
".set\tnoreorder\n\t"
"move $8, %0\n"
"move $9, %1\n"
/* "mtcr\t$8, $9\n\t" */
".word 0x71280019\n"
".set\tpop"
:
: "r" (value), "r"((block<<8)|reg)
: "$8", "$9"
);
}
static __inline__ unsigned long long read_64bit_phnx_ctrl_reg(int block, int reg)
{
unsigned int high, low;
__asm__ __volatile__(
".set\tmips64\n\t"
"move $9, %2\n"
/* "mfcr $8, $9\n" */
".word 0x71280018\n"
"dsrl32 %0, $8, 0\n\t"
"dsll32 $8, $8, 0\n\t"
"dsrl32 %1, $8, 0\n\t"
".set mips0"
: "=r" (high), "=r"(low)
: "r"((block<<8)|reg)
: "$8", "$9"
);
return ( (((unsigned long long)high)<<32) | low);
}
static __inline__ void write_64bit_phnx_ctrl_reg(int block, int reg,unsigned long long value)
{
__uint32_t low, high;
high = value >> 32;
low = value & 0xffffffff;
__asm__ __volatile__(
".set push\n"
".set noreorder\n"
".set mips4\n\t"
/* Set up "rs" */
"move $9, %0\n"
/* Store 64 bit value in "rt" */
"dsll32 $10, %1, 0 \n\t"
"dsll32 $8, %2, 0 \n\t"
"dsrl32 $8, $8, 0 \n\t"
"or $10, $8, $8 \n\t"
".word 0x71280019\n" /* mtcr $8, $9 */
".set pop\n"
: /* No outputs */
: "r"((block<<8)|reg), "r" (high), "r" (low)
: "$8", "$9", "$10"
);
}
#endif
|
