arch/v850/kernel/procfs.c

   1 /*
   2  * arch/v850/kernel/procfs.c -- Introspection functions for /proc filesystem
   3  *
   4  *  Copyright (C) 2001,02  NEC Corporation
   5  *  Copyright (C) 2001,02  Miles Bader <miles@gnu.org>
   6  *
   7  * This file is subject to the terms and conditions of the GNU General
   8  * Public License.  See the file COPYING in the main directory of this
   9  * archive for more details.
  10  *
  11  * Written by Miles Bader <miles@gnu.org>
  12  */
  13
  14 #include "mach.h"
  15
  16 static int cpuinfo_print (struct seq_file *m, void *v)
  17 {
  18         extern unsigned long loops_per_jiffy;
  19
  20         seq_printf (m, "CPU-Family:     v850\nCPU-Arch: %s\n", CPU_ARCH);
  21
  22 #ifdef CPU_MODEL_LONG
  23         seq_printf (m, "CPU-Model:      %s (%s)\n", CPU_MODEL, CPU_MODEL_LONG);
  24 #else
  25         seq_printf (m, "CPU-Model:      %s\n", CPU_MODEL);
  26 #endif
  27
  28 #ifdef CPU_CLOCK_FREQ
  29         seq_printf (m, "CPU-Clock:      %ld (%ld MHz)\n",
  30                     (long)CPU_CLOCK_FREQ,
  31                     (long)CPU_CLOCK_FREQ / 1000000);
  32 #endif
  33
  34         seq_printf (m, "BogoMips:       %lu.%02lu\n",
  35                     loops_per_jiffy/(500000/HZ),
  36                     (loops_per_jiffy/(5000/HZ)) % 100);
  37
  38 #ifdef PLATFORM_LONG
  39         seq_printf (m, "Platform:       %s (%s)\n", PLATFORM, PLATFORM_LONG);
  40 #elif defined (PLATFORM)
  41         seq_printf (m, "Platform:       %s\n", PLATFORM);
  42 #endif
  43
  44         return 0;
  45 }
  46
  47 static void *cpuinfo_start (struct seq_file *m, loff_t *pos)
  48 {
  49         return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
  50 }
  51
  52 static void *cpuinfo_next (struct seq_file *m, void *v, loff_t *pos)
  53 {
  54         ++*pos;
  55         return cpuinfo_start (m, pos);
  56 }
  57
  58 static void cpuinfo_stop (struct seq_file *m, void *v)
  59 {
  60 }
  61
  62 const struct seq_operations cpuinfo_op = {
  63         .start  = cpuinfo_start,
  64         .next   = cpuinfo_next,
  65         .stop   = cpuinfo_stop,
  66         .show   = cpuinfo_print
  67 };