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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* linux/arch/mips/kernel/proc.c
*
* Copyright (C) 1995, 1996, 2001 Ralf Baechle
* Copyright (C) 2001, 2004 MIPS Technologies, Inc.
* Copyright (C) 2004 Maciej W. Rozycki
*/
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <asm/bootinfo.h>
#include <asm/cpu.h>
#include <asm/cpu-features.h>
#include <asm/mipsregs.h>
#include <asm/processor.h>
#include <asm/watch.h>
unsigned int vced_count, vcei_count;
static const char *cpu_name[] = {
[CPU_UNKNOWN] = "unknown",
[CPU_R2000] = "R2000",
[CPU_R3000] = "R3000",
[CPU_R3000A] = "R3000A",
[CPU_R3041] = "R3041",
[CPU_R3051] = "R3051",
[CPU_R3052] = "R3052",
[CPU_R3081] = "R3081",
[CPU_R3081E] = "R3081E",
[CPU_R4000PC] = "R4000PC",
[CPU_R4000SC] = "R4000SC",
[CPU_R4000MC] = "R4000MC",
[CPU_R4200] = "R4200",
[CPU_R4400PC] = "R4400PC",
[CPU_R4400SC] = "R4400SC",
[CPU_R4400MC] = "R4400MC",
[CPU_R4600] = "R4600",
[CPU_R6000] = "R6000",
[CPU_R6000A] = "R6000A",
[CPU_R8000] = "R8000",
[CPU_R10000] = "R10000",
[CPU_R12000] = "R12000",
[CPU_R14000] = "R14000",
[CPU_R4300] = "R4300",
[CPU_R4650] = "R4650",
[CPU_R4700] = "R4700",
[CPU_R5000] = "R5000",
[CPU_R5000A] = "R5000A",
[CPU_R4640] = "R4640",
[CPU_NEVADA] = "Nevada",
[CPU_RM7000] = "RM7000",
[CPU_RM9000] = "RM9000",
[CPU_R5432] = "R5432",
[CPU_4KC] = "MIPS 4Kc",
[CPU_5KC] = "MIPS 5Kc",
[CPU_R4310] = "R4310",
[CPU_SB1] = "SiByte SB1",
[CPU_SB1A] = "SiByte SB1A",
[CPU_TX3912] = "TX3912",
[CPU_TX3922] = "TX3922",
[CPU_TX3927] = "TX3927",
[CPU_AU1000] = "Au1000",
[CPU_AU1500] = "Au1500",
[CPU_AU1100] = "Au1100",
[CPU_AU1550] = "Au1550",
[CPU_AU1200] = "Au1200",
[CPU_4KEC] = "MIPS 4KEc",
[CPU_4KSC] = "MIPS 4KSc",
[CPU_VR41XX] = "NEC Vr41xx",
[CPU_R5500] = "R5500",
[CPU_TX49XX] = "TX49xx",
[CPU_20KC] = "MIPS 20Kc",
[CPU_24K] = "MIPS 24K",
[CPU_25KF] = "MIPS 25Kf",
[CPU_34K] = "MIPS 34K",
[CPU_74K] = "MIPS 74K",
[CPU_VR4111] = "NEC VR4111",
[CPU_VR4121] = "NEC VR4121",
[CPU_VR4122] = "NEC VR4122",
[CPU_VR4131] = "NEC VR4131",
[CPU_VR4133] = "NEC VR4133",
[CPU_VR4181] = "NEC VR4181",
[CPU_VR4181A] = "NEC VR4181A",
[CPU_SR71000] = "Sandcraft SR71000",
[CPU_PR4450] = "Philips PR4450",
};
static int show_cpuinfo(struct seq_file *m, void *v)
{
unsigned int version = current_cpu_data.processor_id;
unsigned int fp_vers = current_cpu_data.fpu_id;
unsigned long n = (unsigned long) v - 1;
char fmt [64];
#ifdef CONFIG_SMP
if (!cpu_isset(n, cpu_online_map))
return 0;
#endif
/*
* For the first processor also print the system type
*/
if (n == 0)
seq_printf(m, "system type\t\t: %s\n", get_system_type());
seq_printf(m, "processor\t\t: %ld\n", n);
sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
cpu_has_fpu ? " FPU V%d.%d" : "");
seq_printf(m, fmt, cpu_name[current_cpu_data.cputype <= CPU_LAST ?
current_cpu_data.cputype : CPU_UNKNOWN],
(version >> 4) & 0x0f, version & 0x0f,
(fp_vers >> 4) & 0x0f, fp_vers & 0x0f);
seq_printf(m, "BogoMIPS\t\t: %lu.%02lu\n",
cpu_data[n].udelay_val / (500000/HZ),
(cpu_data[n].udelay_val / (5000/HZ)) % 100);
seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no");
seq_printf(m, "microsecond timers\t: %s\n",
cpu_has_counter ? "yes" : "no");
seq_printf(m, "tlb_entries\t\t: %d\n", current_cpu_data.tlbsize);
seq_printf(m, "extra interrupt vector\t: %s\n",
cpu_has_divec ? "yes" : "no");
seq_printf(m, "hardware watchpoint\t: %s\n",
cpu_has_watch ? "yes" : "no");
seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n",
cpu_has_mips16 ? " mips16" : "",
cpu_has_mdmx ? " mdmx" : "",
cpu_has_mips3d ? " mips3d" : "",
cpu_has_smartmips ? " smartmips" : "",
cpu_has_dsp ? " dsp" : "",
cpu_has_mipsmt ? " mt" : ""
);
sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",
cpu_has_vce ? "%u" : "not available");
seq_printf(m, fmt, 'D', vced_count);
seq_printf(m, fmt, 'I', vcei_count);
seq_printf(m, "\n");
return 0;
}
static void *c_start(struct seq_file *m, loff_t *pos)
{
unsigned long i = *pos;
return i < NR_CPUS ? (void *) (i + 1) : NULL;
}
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return c_start(m, pos);
}
static void c_stop(struct seq_file *m, void *v)
{
}
struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};
|
