xref: /openbmc/linux/arch/x86/boot/mkcpustr.c (revision 54cbac81)
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 }
52