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/cpufeature.h"
  21 #include "../kernel/cpu/capflags.c"
  22
  23 int 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 }