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1/*
2 * Copyright (C) 1995, 1996, 2001 Ralf Baechle
3 * Copyright (C) 2001, 2004 MIPS Technologies, Inc.
4 * Copyright (C) 2004 Maciej W. Rozycki
5 */
6#include <linux/delay.h>
7#include <linux/kernel.h>
8#include <linux/sched.h>
9#include <linux/seq_file.h>
10#include <asm/bootinfo.h>
11#include <asm/cpu.h>
12#include <asm/cpu-features.h>
13#include <asm/mipsregs.h>
14#include <asm/processor.h>
15#include <asm/mips_machine.h>
16
17unsigned int vced_count, vcei_count;
18
19static int show_cpuinfo(struct seq_file *m, void *v)
20{
21 unsigned long n = (unsigned long) v - 1;
22 unsigned int version = cpu_data[n].processor_id;
23 unsigned int fp_vers = cpu_data[n].fpu_id;
24 char fmt [64];
25 int i;
26
27#ifdef CONFIG_SMP
28 if (!cpu_isset(n, cpu_online_map))
29 return 0;
30#endif
31
32 /*
33 * For the first processor also print the system type
34 */
35 if (n == 0) {
36 seq_printf(m, "system type\t\t: %s\n", get_system_type());
37 if (mips_get_machine_name())
38 seq_printf(m, "machine\t\t\t: %s\n",
39 mips_get_machine_name());
40 }
41
42 seq_printf(m, "processor\t\t: %ld\n", n);
43 sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
44 cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : "");
45 seq_printf(m, fmt, __cpu_name[n],
46 (version >> 4) & 0x0f, version & 0x0f,
47 (fp_vers >> 4) & 0x0f, fp_vers & 0x0f);
48 seq_printf(m, "BogoMIPS\t\t: %u.%02u\n",
49 cpu_data[n].udelay_val / (500000/HZ),
50 (cpu_data[n].udelay_val / (5000/HZ)) % 100);
51 seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no");
52 seq_printf(m, "microsecond timers\t: %s\n",
53 cpu_has_counter ? "yes" : "no");
54 seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize);
55 seq_printf(m, "extra interrupt vector\t: %s\n",
56 cpu_has_divec ? "yes" : "no");
57 seq_printf(m, "hardware watchpoint\t: %s",
58 cpu_has_watch ? "yes, " : "no\n");
59 if (cpu_has_watch) {
60 seq_printf(m, "count: %d, address/irw mask: [",
61 cpu_data[n].watch_reg_count);
62 for (i = 0; i < cpu_data[n].watch_reg_count; i++)
63 seq_printf(m, "%s0x%04x", i ? ", " : "" ,
64 cpu_data[n].watch_reg_masks[i]);
65 seq_printf(m, "]\n");
66 }
67 seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n",
68 cpu_has_mips16 ? " mips16" : "",
69 cpu_has_mdmx ? " mdmx" : "",
70 cpu_has_mips3d ? " mips3d" : "",
71 cpu_has_smartmips ? " smartmips" : "",
72 cpu_has_dsp ? " dsp" : "",
73 cpu_has_mipsmt ? " mt" : ""
74 );
75 seq_printf(m, "shadow register sets\t: %d\n",
76 cpu_data[n].srsets);
77 seq_printf(m, "kscratch registers\t: %d\n",
78 hweight8(cpu_data[n].kscratch_mask));
79 seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core);
80
81 sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",
82 cpu_has_vce ? "%u" : "not available");
83 seq_printf(m, fmt, 'D', vced_count);
84 seq_printf(m, fmt, 'I', vcei_count);
85 seq_printf(m, "\n");
86
87 return 0;
88}
89
90static void *c_start(struct seq_file *m, loff_t *pos)
91{
92 unsigned long i = *pos;
93
94 return i < NR_CPUS ? (void *) (i + 1) : NULL;
95}
96
97static void *c_next(struct seq_file *m, void *v, loff_t *pos)
98{
99 ++*pos;
100 return c_start(m, pos);
101}
102
103static void c_stop(struct seq_file *m, void *v)
104{
105}
106
107const struct seq_operations cpuinfo_op = {
108 .start = c_start,
109 .next = c_next,
110 .stop = c_stop,
111 .show = show_cpuinfo,
112};
1/*
2 * Copyright (C) 1995, 1996, 2001 Ralf Baechle
3 * Copyright (C) 2001, 2004 MIPS Technologies, Inc.
4 * Copyright (C) 2004 Maciej W. Rozycki
5 */
6#include <linux/delay.h>
7#include <linux/kernel.h>
8#include <linux/sched.h>
9#include <linux/seq_file.h>
10#include <asm/bootinfo.h>
11#include <asm/cpu.h>
12#include <asm/cpu-features.h>
13#include <asm/idle.h>
14#include <asm/mipsregs.h>
15#include <asm/processor.h>
16#include <asm/prom.h>
17
18unsigned int vced_count, vcei_count;
19
20/*
21 * * No lock; only written during early bootup by CPU 0.
22 * */
23static RAW_NOTIFIER_HEAD(proc_cpuinfo_chain);
24
25int __ref register_proc_cpuinfo_notifier(struct notifier_block *nb)
26{
27 return raw_notifier_chain_register(&proc_cpuinfo_chain, nb);
28}
29
30int proc_cpuinfo_notifier_call_chain(unsigned long val, void *v)
31{
32 return raw_notifier_call_chain(&proc_cpuinfo_chain, val, v);
33}
34
35static int show_cpuinfo(struct seq_file *m, void *v)
36{
37 struct proc_cpuinfo_notifier_args proc_cpuinfo_notifier_args;
38 unsigned long n = (unsigned long) v - 1;
39 unsigned int version = cpu_data[n].processor_id;
40 unsigned int fp_vers = cpu_data[n].fpu_id;
41 char fmt [64];
42 int i;
43
44#ifdef CONFIG_SMP
45 if (!cpu_online(n))
46 return 0;
47#endif
48
49 /*
50 * For the first processor also print the system type
51 */
52 if (n == 0) {
53 seq_printf(m, "system type\t\t: %s\n", get_system_type());
54 if (mips_get_machine_name())
55 seq_printf(m, "machine\t\t\t: %s\n",
56 mips_get_machine_name());
57 }
58
59 seq_printf(m, "processor\t\t: %ld\n", n);
60 sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
61 cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : "");
62 seq_printf(m, fmt, __cpu_name[n],
63 (version >> 4) & 0x0f, version & 0x0f,
64 (fp_vers >> 4) & 0x0f, fp_vers & 0x0f);
65 seq_printf(m, "BogoMIPS\t\t: %u.%02u\n",
66 cpu_data[n].udelay_val / (500000/HZ),
67 (cpu_data[n].udelay_val / (5000/HZ)) % 100);
68 seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no");
69 seq_printf(m, "microsecond timers\t: %s\n",
70 cpu_has_counter ? "yes" : "no");
71 seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize);
72 seq_printf(m, "extra interrupt vector\t: %s\n",
73 cpu_has_divec ? "yes" : "no");
74 seq_printf(m, "hardware watchpoint\t: %s",
75 cpu_has_watch ? "yes, " : "no\n");
76 if (cpu_has_watch) {
77 seq_printf(m, "count: %d, address/irw mask: [",
78 cpu_data[n].watch_reg_count);
79 for (i = 0; i < cpu_data[n].watch_reg_count; i++)
80 seq_printf(m, "%s0x%04x", i ? ", " : "" ,
81 cpu_data[n].watch_reg_masks[i]);
82 seq_printf(m, "]\n");
83 }
84
85 seq_printf(m, "isa\t\t\t: mips1");
86 if (cpu_has_mips_2)
87 seq_printf(m, "%s", " mips2");
88 if (cpu_has_mips_3)
89 seq_printf(m, "%s", " mips3");
90 if (cpu_has_mips_4)
91 seq_printf(m, "%s", " mips4");
92 if (cpu_has_mips_5)
93 seq_printf(m, "%s", " mips5");
94 if (cpu_has_mips32r1)
95 seq_printf(m, "%s", " mips32r1");
96 if (cpu_has_mips32r2)
97 seq_printf(m, "%s", " mips32r2");
98 if (cpu_has_mips64r1)
99 seq_printf(m, "%s", " mips64r1");
100 if (cpu_has_mips64r2)
101 seq_printf(m, "%s", " mips64r2");
102 seq_printf(m, "\n");
103
104 seq_printf(m, "ASEs implemented\t:");
105 if (cpu_has_mips16) seq_printf(m, "%s", " mips16");
106 if (cpu_has_mdmx) seq_printf(m, "%s", " mdmx");
107 if (cpu_has_mips3d) seq_printf(m, "%s", " mips3d");
108 if (cpu_has_smartmips) seq_printf(m, "%s", " smartmips");
109 if (cpu_has_dsp) seq_printf(m, "%s", " dsp");
110 if (cpu_has_dsp2) seq_printf(m, "%s", " dsp2");
111 if (cpu_has_mipsmt) seq_printf(m, "%s", " mt");
112 if (cpu_has_mmips) seq_printf(m, "%s", " micromips");
113 if (cpu_has_vz) seq_printf(m, "%s", " vz");
114 if (cpu_has_msa) seq_printf(m, "%s", " msa");
115 if (cpu_has_eva) seq_printf(m, "%s", " eva");
116 seq_printf(m, "\n");
117
118 if (cpu_has_mmips) {
119 seq_printf(m, "micromips kernel\t: %s\n",
120 (read_c0_config3() & MIPS_CONF3_ISA_OE) ? "yes" : "no");
121 }
122 seq_printf(m, "shadow register sets\t: %d\n",
123 cpu_data[n].srsets);
124 seq_printf(m, "kscratch registers\t: %d\n",
125 hweight8(cpu_data[n].kscratch_mask));
126 seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core);
127
128 sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",
129 cpu_has_vce ? "%u" : "not available");
130 seq_printf(m, fmt, 'D', vced_count);
131 seq_printf(m, fmt, 'I', vcei_count);
132
133 proc_cpuinfo_notifier_args.m = m;
134 proc_cpuinfo_notifier_args.n = n;
135
136 raw_notifier_call_chain(&proc_cpuinfo_chain, 0,
137 &proc_cpuinfo_notifier_args);
138
139 seq_printf(m, "\n");
140
141 return 0;
142}
143
144static void *c_start(struct seq_file *m, loff_t *pos)
145{
146 unsigned long i = *pos;
147
148 return i < NR_CPUS ? (void *) (i + 1) : NULL;
149}
150
151static void *c_next(struct seq_file *m, void *v, loff_t *pos)
152{
153 ++*pos;
154 return c_start(m, pos);
155}
156
157static void c_stop(struct seq_file *m, void *v)
158{
159}
160
161const struct seq_operations cpuinfo_op = {
162 .start = c_start,
163 .next = c_next,
164 .stop = c_stop,
165 .show = show_cpuinfo,
166};