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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 */
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