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v4.17
 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef ARCH_X86_CPU_H
 
 3#define ARCH_X86_CPU_H
 4
 
 
 
 
 
 
 5/* attempt to consolidate cpu attributes */
 6struct cpu_dev {
 7	const char	*c_vendor;
 8
 9	/* some have two possibilities for cpuid string */
10	const char	*c_ident[2];
11
 
 
12	void            (*c_early_init)(struct cpuinfo_x86 *);
13	void		(*c_bsp_init)(struct cpuinfo_x86 *);
14	void		(*c_init)(struct cpuinfo_x86 *);
15	void		(*c_identify)(struct cpuinfo_x86 *);
16	void		(*c_detect_tlb)(struct cpuinfo_x86 *);
17	void		(*c_bsp_resume)(struct cpuinfo_x86 *);
18	int		c_x86_vendor;
19#ifdef CONFIG_X86_32
20	/* Optional vendor specific routine to obtain the cache size. */
21	unsigned int	(*legacy_cache_size)(struct cpuinfo_x86 *,
22					     unsigned int);
23
24	/* Family/stepping-based lookup table for model names. */
25	struct legacy_cpu_model_info {
26		int		family;
27		const char	*model_names[16];
28	}		legacy_models[5];
29#endif
30};
31
32struct _tlb_table {
33	unsigned char descriptor;
34	char tlb_type;
35	unsigned int entries;
36	/* unsigned int ways; */
37	char info[128];
38};
39
40#define cpu_dev_register(cpu_devX) \
41	static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
42	__attribute__((__section__(".x86_cpu_dev.init"))) = \
43	&cpu_devX;
44
45extern const struct cpu_dev *const __x86_cpu_dev_start[],
46			    *const __x86_cpu_dev_end[];
47
48extern void get_cpu_cap(struct cpuinfo_x86 *c);
49extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
 
50
51unsigned int aperfmperf_get_khz(int cpu);
52
53extern void x86_spec_ctrl_setup_ap(void);
54
55#endif /* ARCH_X86_CPU_H */
v3.1
 
 1#ifndef ARCH_X86_CPU_H
 2
 3#define ARCH_X86_CPU_H
 4
 5struct cpu_model_info {
 6	int		vendor;
 7	int		family;
 8	const char	*model_names[16];
 9};
10
11/* attempt to consolidate cpu attributes */
12struct 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
32extern const struct cpu_dev *const __x86_cpu_dev_start[],
33			    *const __x86_cpu_dev_end[];
34
35extern void get_cpu_cap(struct cpuinfo_x86 *c);
36extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
37extern void get_cpu_cap(struct cpuinfo_x86 *c);
38
39#endif