diff options
Diffstat (limited to 'kernel/arch/x86/kernel/cpu/cpu.h')
| -rw-r--r-- | kernel/arch/x86/kernel/cpu/cpu.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/kernel/arch/x86/kernel/cpu/cpu.h b/kernel/arch/x86/kernel/cpu/cpu.h new file mode 100644 index 000000000..c37dc37e8 --- /dev/null +++ b/kernel/arch/x86/kernel/cpu/cpu.h @@ -0,0 +1,48 @@ +#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 *); + 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 */ |