x86/boot/cpuflags.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef BOOT_CPUFLAGS_H
0003 #define BOOT_CPUFLAGS_H
0004
0005 #include <asm/cpufeatures.h>
0006 #include <asm/processor-flags.h>
0007
0008 struct cpu_features {
0009     int level;      /* Family, or 64 for x86-64 */
0010     int family;     /* Family, always */
0011     int model;
0012     u32 flags[NCAPINTS];
0013 };
0014
0015 extern struct cpu_features cpu;
0016 extern u32 cpu_vendor[3];
0017
0018 int has_eflag(unsigned long mask);
0019 void get_cpuflags(void);
0020 void cpuid_count(u32 id, u32 count, u32 *a, u32 *b, u32 *c, u32 *d);
0021
0022 #endif