xref: /openbmc/linux/arch/x86/kernel/cpu/cpu.h (revision a09d2831)
1 #ifndef ARCH_X86_CPU_H
2 
3 #define ARCH_X86_CPU_H
4 
5 struct cpu_model_info {
6 	int		vendor;
7 	int		family;
8 	const char	*model_names[16];
9 };
10 
11 /* attempt to consolidate cpu attributes */
12 struct cpu_dev {
13 	const char	*c_vendor;
14 
15 	/* some have two possibilities for cpuid string */
16 	const char	*c_ident[2];
17 
18 	struct		cpu_model_info c_models[4];
19 
20 	void            (*c_early_init)(struct cpuinfo_x86 *);
21 	void		(*c_init)(struct cpuinfo_x86 *);
22 	void		(*c_identify)(struct cpuinfo_x86 *);
23 	unsigned int	(*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
24 	int		c_x86_vendor;
25 };
26 
27 #define cpu_dev_register(cpu_devX) \
28 	static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
29 	__attribute__((__section__(".x86_cpu_dev.init"))) = \
30 	&cpu_devX;
31 
32 extern const struct cpu_dev *const __x86_cpu_dev_start[],
33 			    *const __x86_cpu_dev_end[];
34 
35 extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
36 
37 #endif
38