xref: /linux/arch/x86/boot/mkcpustr.c (revision c0c914eca7f251c70facc37dfebeaf176601918d)
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 }
53