linux/arch/x86/boot/mkcpustr.c
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   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 "../kernel/cpu/feature_names.c"
  19
  20#if NCAPFLAGS > 8
  21# error "Need to adjust the boot code handling of CPUID strings"
  22#endif
  23
  24int main(void)
  25{
  26        int i;
  27        const char *str;
  28
  29        printf("static const char x86_cap_strs[] = \n");
  30
  31        for (i = 0; i < NCAPINTS*32; i++) {
  32                str = x86_cap_flags[i];
  33
  34                if (i == NCAPINTS*32-1) {
  35                        /* The last entry must be unconditional; this
  36                           also consumes the compiler-added null character */
  37                        if (!str)
  38                                str = "";
  39                        printf("\t\"\\x%02x\"\"%s\"\n", i, str);
  40                } else if (str) {
  41                        printf("#if REQUIRED_MASK%d & (1 << %d)\n"
  42                               "\t\"\\x%02x\"\"%s\\0\"\n"
  43                               "#endif\n",
  44                               i >> 5, i & 31, i, str);
  45                }
  46        }
  47        printf("\t;\n");
  48        return 0;
  49}
  50