forked from Minki/linux
f0be6c6a69
Instead of obscure numbers, print the list of missing CPU features in cleartext. To conserve space, use a host program (mkcpustr.c) to produce a compact list of mandatory features only. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 2008 rPath, Inc. - All Rights Reserved
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*
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* This file is part of the Linux kernel, and is made available under
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* the terms of the GNU General Public License version 2 or (at your
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* option) any later version; incorporated herein by reference.
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*
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* ----------------------------------------------------------------------- */
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/*
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* This is a host program to preprocess the CPU strings into a
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* compact format suitable for the setup code.
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*/
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#include <stdio.h>
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#include "../kernel/cpu/feature_names.c"
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#if NCAPFLAGS > 8
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# error "Need to adjust the boot code handling of CPUID strings"
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#endif
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int main(void)
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{
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int i;
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const char *str;
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printf("static const char x86_cap_strs[] = \n");
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for (i = 0; i < NCAPINTS*32; i++) {
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str = x86_cap_flags[i];
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if (i == NCAPINTS*32-1) {
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/* The last entry must be unconditional; this
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also consumes the compiler-added null character */
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if (!str)
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str = "";
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printf("\t\"\\x%02x\"\"%s\"\n", i, str);
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} else if (str) {
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printf("#if REQUIRED_MASK%d & (1 << %d)\n"
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"\t\"\\x%02x\"\"%s\\0\"\n"
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"#endif\n",
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i >> 5, i & 31, i, str);
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}
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}
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printf("\t;\n");
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return 0;
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}
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