arch/x86/boot/mkcpustr.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* ----------------------------------------------------------------------- *
   3  *
   4  *   Copyright 2008 rPath, Inc. - All Rights Reserved
   5  *
   6  * ----------------------------------------------------------------------- */
   7
   8 /*
   9  * This is a host program to preprocess the CPU strings into a
  10  * compact format suitable for the setup code.
  11  */
  12
  13 #include <stdio.h>
  14
  15 #include "../include/asm/required-features.h"
  16 #include "../include/asm/disabled-features.h"
  17 #include "../include/asm/cpufeatures.h"
  18 #include "../include/asm/vmxfeatures.h"
  19 #include "../kernel/cpu/capflags.c"
  20
  21 int main(void)
  22 {
  23         int i, j;
  24         const char *str;
  25
  26         printf("static const char x86_cap_strs[] =\n");
  27
  28         for (i = 0; i < NCAPINTS; i++) {
  29                 for (j = 0; j < 32; j++) {
  30                         str = x86_cap_flags[i*32+j];
  31
  32                         if (i == NCAPINTS-1 && j == 31) {
  33                                 /* The last entry must be unconditional; this
  34                                    also consumes the compiler-added null
  35                                    character */
  36                                 if (!str)
  37                                         str = "";
  38                                 printf("\t\"\\x%02x\\x%02x\"\"%s\"\n",
  39                                        i, j, str);
  40                         } else if (str) {
  41                                 printf("#if REQUIRED_MASK%d & (1 << %d)\n"
  42                                        "\t\"\\x%02x\\x%02x\"\"%s\\0\"\n"
  43                                        "#endif\n",
  44                                        i, j, i, j, str);
  45                         }
  46                 }
  47         }
  48         printf("\t;\n");
  49         return 0;
  50 }