MIPS: ioctl.h: Fix headers_check warnings
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / mips / kernel / proc.c
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1/*
2 * linux/arch/mips/kernel/proc.c
3 *
4 * Copyright (C) 1995, 1996, 2001 Ralf Baechle
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5 * Copyright (C) 2001, 2004 MIPS Technologies, Inc.
6 * Copyright (C) 2004 Maciej W. Rozycki
1da177e4 7 */
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8#include <linux/delay.h>
9#include <linux/kernel.h>
10#include <linux/sched.h>
11#include <linux/seq_file.h>
12#include <asm/bootinfo.h>
13#include <asm/cpu.h>
14#include <asm/cpu-features.h>
15#include <asm/mipsregs.h>
16#include <asm/processor.h>
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17
18unsigned int vced_count, vcei_count;
19
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20static int show_cpuinfo(struct seq_file *m, void *v)
21{
1da177e4 22 unsigned long n = (unsigned long) v - 1;
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23 unsigned int version = cpu_data[n].processor_id;
24 unsigned int fp_vers = cpu_data[n].fpu_id;
1da177e4 25 char fmt [64];
654f57bf 26 int i;
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27
28#ifdef CONFIG_SMP
29 if (!cpu_isset(n, cpu_online_map))
30 return 0;
31#endif
32
33 /*
34 * For the first processor also print the system type
35 */
36 if (n == 0)
37 seq_printf(m, "system type\t\t: %s\n", get_system_type());
38
39 seq_printf(m, "processor\t\t: %ld\n", n);
40 sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
e04582b7 41 cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : "");
e47c659b 42 seq_printf(m, fmt, __cpu_name[n],
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43 (version >> 4) & 0x0f, version & 0x0f,
44 (fp_vers >> 4) & 0x0f, fp_vers & 0x0f);
45 seq_printf(m, "BogoMIPS\t\t: %lu.%02lu\n",
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46 cpu_data[n].udelay_val / (500000/HZ),
47 (cpu_data[n].udelay_val / (5000/HZ)) % 100);
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48 seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no");
49 seq_printf(m, "microsecond timers\t: %s\n",
50 cpu_has_counter ? "yes" : "no");
31aa3665 51 seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize);
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52 seq_printf(m, "extra interrupt vector\t: %s\n",
53 cpu_has_divec ? "yes" : "no");
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54 seq_printf(m, "hardware watchpoint\t: %s",
55 cpu_has_watch ? "yes, " : "no\n");
56 if (cpu_has_watch) {
57 seq_printf(m, "count: %d, address/irw mask: [",
58 cpu_data[n].watch_reg_count);
59 for (i = 0; i < cpu_data[n].watch_reg_count; i++)
60 seq_printf(m, "%s0x%04x", i ? ", " : "" ,
61 cpu_data[n].watch_reg_masks[i]);
62 seq_printf(m, "]\n");
63 }
e027802e 64 seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n",
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65 cpu_has_mips16 ? " mips16" : "",
66 cpu_has_mdmx ? " mdmx" : "",
67 cpu_has_mips3d ? " mips3d" : "",
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68 cpu_has_smartmips ? " smartmips" : "",
69 cpu_has_dsp ? " dsp" : "",
70 cpu_has_mipsmt ? " mt" : ""
71 );
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72 seq_printf(m, "shadow register sets\t: %d\n",
73 cpu_data[n].srsets);
0ab7aefc 74 seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core);
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75
76 sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",
77 cpu_has_vce ? "%u" : "not available");
78 seq_printf(m, fmt, 'D', vced_count);
79 seq_printf(m, fmt, 'I', vcei_count);
17256052 80 seq_printf(m, "\n");
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81
82 return 0;
83}
84
85static void *c_start(struct seq_file *m, loff_t *pos)
86{
87 unsigned long i = *pos;
88
89 return i < NR_CPUS ? (void *) (i + 1) : NULL;
90}
91
92static void *c_next(struct seq_file *m, void *v, loff_t *pos)
93{
94 ++*pos;
95 return c_start(m, pos);
96}
97
98static void c_stop(struct seq_file *m, void *v)
99{
100}
101
12323cac 102const struct seq_operations cpuinfo_op = {
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103 .start = c_start,
104 .next = c_next,
105 .stop = c_stop,
106 .show = show_cpuinfo,
107};