arch/x86/kernel/cpu/cpu.h

   1 #ifndef ARCH_X86_CPU_H
   2 #define ARCH_X86_CPU_H
   3
   4 struct cpu_model_info {
   5         int             vendor;
   6         int             family;
   7         const char      *model_names[16];
   8 };
   9
  10 /* attempt to consolidate cpu attributes */
  11 struct cpu_dev {
  12         const char      *c_vendor;
  13
  14         /* some have two possibilities for cpuid string */
  15         const char      *c_ident[2];
  16
  17         struct          cpu_model_info c_models[4];
  18
  19         void            (*c_early_init)(struct cpuinfo_x86 *);
  20         void            (*c_bsp_init)(struct cpuinfo_x86 *);
  21         void            (*c_init)(struct cpuinfo_x86 *);
  22         void            (*c_identify)(struct cpuinfo_x86 *);
  23         void            (*c_detect_tlb)(struct cpuinfo_x86 *);
  24         unsigned int    (*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
  25         int             c_x86_vendor;
  26 };
  27
  28 struct _tlb_table {
  29         unsigned char descriptor;
  30         char tlb_type;
  31         unsigned int entries;
  32         /* unsigned int ways; */
  33         char info[128];
  34 };
  35
  36 #define cpu_dev_register(cpu_devX) \
  37         static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
  38         __attribute__((__section__(".x86_cpu_dev.init"))) = \
  39         &cpu_devX;
  40
  41 extern const struct cpu_dev *const __x86_cpu_dev_start[],
  42                             *const __x86_cpu_dev_end[];
  43
  44 extern void get_cpu_cap(struct cpuinfo_x86 *c);
  45 extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
  46 #endif /* ARCH_X86_CPU_H */