cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mkcpustr.c (1256B)


      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
     21int 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}