linux/arch/x86/kernel/cpu/cpu.h
Borislav Petkov a110b5ec73 x86: Add a BSP cpu_dev helper
Add a function ptr to struct cpu_dev which is destined to be run only
once on the BSP during boot.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Link: http://lkml.kernel.org/r/20110805180116.GB26217@aftab
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-08-05 12:26:49 -07:00

41 lines
1.0 KiB
C

#ifndef ARCH_X86_CPU_H
#define ARCH_X86_CPU_H
struct cpu_model_info {
int vendor;
int family;
const char *model_names[16];
};
/* attempt to consolidate cpu attributes */
struct cpu_dev {
const char *c_vendor;
/* some have two possibilities for cpuid string */
const char *c_ident[2];
struct cpu_model_info c_models[4];
void (*c_early_init)(struct cpuinfo_x86 *);
void (*c_bsp_init)(struct cpuinfo_x86 *);
void (*c_init)(struct cpuinfo_x86 *);
void (*c_identify)(struct cpuinfo_x86 *);
unsigned int (*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
int c_x86_vendor;
};
#define cpu_dev_register(cpu_devX) \
static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
__attribute__((__section__(".x86_cpu_dev.init"))) = \
&cpu_devX;
extern const struct cpu_dev *const __x86_cpu_dev_start[],
*const __x86_cpu_dev_end[];
extern void get_cpu_cap(struct cpuinfo_x86 *c);
extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
extern void get_cpu_cap(struct cpuinfo_x86 *c);
#endif