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/cpufeature.h"
  20 #include "../kernel/cpu/capflags.c"
  21
  22 int main(void)
  23 {
  24         int i, j;
  25         const char *str;
  26
  27         printf("static const char x86_cap_strs[] =\n");
  28
  29         for (i = 0; i < NCAPINTS; i++) {
  30                 for (j = 0; j < 32; j++) {
  31                         str = x86_cap_flags[i*32+j];
  32
  33                         if (i == NCAPINTS-1 && j == 31) {
  34                                 /* The last entry must be unconditional; this
  35                                    also consumes the compiler-added null
  36                                    character */
  37                                 if (!str)
  38                                         str = "";
  39                                 printf("\t\"\\x%02x\\x%02x\"\"%s\"\n",
  40                                        i, j, str);
  41                         } else if (str) {
  42                                 printf("#if REQUIRED_MASK%d & (1 << %d)\n"
  43                                        "\t\"\\x%02x\\x%02x\"\"%s\\0\"\n"
  44                                        "#endif\n",
  45                                        i, j, i, j, str);
  46                         }
  47                 }
  48         }
  49         printf("\t;\n");
  50         return 0;
  51 }