diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/x86/kernel/cpu/cpu.h | |
Diffstat (limited to 'arch/x86/kernel/cpu/cpu.h')
| -rw-r--r-- | arch/x86/kernel/cpu/cpu.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h new file mode 100644 index 00000000..4041c24a --- /dev/null +++ b/arch/x86/kernel/cpu/cpu.h @@ -0,0 +1,46 @@ +#ifndef ARCH_X86_CPU_H +#define ARCH_X86_CPU_H + +struct cpu_model_info { + int vendor; + int family; + const char *model_names[16]; +}; + +/* attempt to consolidate cpu attributes */ +struct cpu_dev { + const char *c_vendor; + + /* some have two possibilities for cpuid string */ + const char *c_ident[2]; + + struct cpu_model_info c_models[4]; + + 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 *); + unsigned int (*c_size_cache)(struct cpuinfo_x86 *, unsigned int); + int c_x86_vendor; +}; + +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 */ |