| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef ARCH_X86_CPU_H |
| #define ARCH_X86_CPU_H |
| |
| /* attempt to consolidate cpu attributes */ |
| struct cpu_dev { |
| const char *c_vendor; |
| |
| /* some have two possibilities for cpuid string */ |
| const char *c_ident[2]; |
| |
| 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 *); |
| void (*c_detect_tlb)(struct cpuinfo_x86 *); |
| void (*c_bsp_resume)(struct cpuinfo_x86 *); |
| int c_x86_vendor; |
| #ifdef CONFIG_X86_32 |
| /* Optional vendor specific routine to obtain the cache size. */ |
| unsigned int (*legacy_cache_size)(struct cpuinfo_x86 *, |
| unsigned int); |
| |
| /* Family/stepping-based lookup table for model names. */ |
| struct legacy_cpu_model_info { |
| int family; |
| const char *model_names[16]; |
| } legacy_models[5]; |
| #endif |
| }; |
| |
| struct _tlb_table { |
| unsigned char descriptor; |
| char tlb_type; |
| unsigned int entries; |
| /* unsigned int ways; */ |
| char info[128]; |
| }; |
| |
| #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); |
| #endif /* ARCH_X86_CPU_H */ |