xref: /openbmc/linux/arch/x86/boot/mkcpustr.c (revision f519f0be)
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 "../kernel/cpu/capflags.c"
19 
20 int main(void)
21 {
22 	int i, j;
23 	const char *str;
24 
25 	printf("static const char x86_cap_strs[] =\n");
26 
27 	for (i = 0; i < NCAPINTS; i++) {
28 		for (j = 0; j < 32; j++) {
29 			str = x86_cap_flags[i*32+j];
30 
31 			if (i == NCAPINTS-1 && j == 31) {
32 				/* The last entry must be unconditional; this
33 				   also consumes the compiler-added null
34 				   character */
35 				if (!str)
36 					str = "";
37 				printf("\t\"\\x%02x\\x%02x\"\"%s\"\n",
38 				       i, j, str);
39 			} else if (str) {
40 				printf("#if REQUIRED_MASK%d & (1 << %d)\n"
41 				       "\t\"\\x%02x\\x%02x\"\"%s\\0\"\n"
42 				       "#endif\n",
43 				       i, j, i, j, str);
44 			}
45 		}
46 	}
47 	printf("\t;\n");
48 	return 0;
49 }
50