LXR linux/arch/x86/boot/mkcpustr.c

   1/* ----------------------------------------------------------------------- *
   2 *
   3 *   Copyright 2008 rPath, Inc. - All Rights Reserved
   4 *
   5 *   This file is part of the Linux kernel, and is made available under
   6 *   the terms of the GNU General Public License version 2 or (at your
   7 *   option) any later version; incorporated herein by reference.
   8 *
   9 * ----------------------------------------------------------------------- */
  10
  11/*
  12 * This is a host program to preprocess the CPU strings into a
  13 * compact format suitable for the setup code.
  14 */
  15
  16#include <stdio.h>
  17
  18#include "../include/asm/required-features.h"
  19#include "../include/asm/disabled-features.h"
  20#include "../include/asm/cpufeatures.h"
  21#include "../kernel/cpu/capflags.c"
  22
  23int main(void)
  24{
  25        int i, j;
  26        const char *str;
  27
  28        printf("static const char x86_cap_strs[] =\n");
  29
  30        for (i = 0; i < NCAPINTS; i++) {
  31                for (j = 0; j < 32; j++) {
  32                        str = x86_cap_flags[i*32+j];
  33
  34                        if (i == NCAPINTS-1 && j == 31) {
  35                                /* The last entry must be unconditional; this
  36                                   also consumes the compiler-added null
  37                                   character */
  38                                if (!str)
  39                                        str = "";
  40                                printf("\t\"\\x%02x\\x%02x\"\"%s\"\n",
  41                                       i, j, str);
  42                        } else if (str) {
  43                                printf("#if REQUIRED_MASK%d & (1 << %d)\n"
  44                                       "\t\"\\x%02x\\x%02x\"\"%s\\0\"\n"
  45                                       "#endif\n",
  46                                       i, j, i, j, str);
  47                        }
  48                }
  49        }
  50        printf("\t;\n");
  51        return 0;
  52}
  53