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/cpufeatures.h"
16#include "../include/asm/vmxfeatures.h"
17#include "../kernel/cpu/capflags.c"
18
19int main(void)
20{
21	int i, j;
22	const char *str;
23
24	printf("#include <asm/cpufeaturemasks.h>\n\n");
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}