arch/x86/kernel/cpu/cpu.h

   1 #ifndef ARCH_X86_CPU_H
   2 #define ARCH_X86_CPU_H
   3
   4 /* attempt to consolidate cpu attributes */
   5 struct cpu_dev {
   6         const char      *c_vendor;
   7
   8         /* some have two possibilities for cpuid string */
   9         const char      *c_ident[2];
  10
  11         void            (*c_early_init)(struct cpuinfo_x86 *);
  12         void            (*c_bsp_init)(struct cpuinfo_x86 *);
  13         void            (*c_init)(struct cpuinfo_x86 *);
  14         void            (*c_identify)(struct cpuinfo_x86 *);
  15         void            (*c_detect_tlb)(struct cpuinfo_x86 *);
  16         void            (*c_bsp_resume)(struct cpuinfo_x86 *);
  17         int             c_x86_vendor;
  18 #ifdef CONFIG_X86_32
  19         /* Optional vendor specific routine to obtain the cache size. */
  20         unsigned int    (*legacy_cache_size)(struct cpuinfo_x86 *,
  21                                              unsigned int);
  22
  23         /* Family/stepping-based lookup table for model names. */
  24         struct legacy_cpu_model_info {
  25                 int             family;
  26                 const char      *model_names[16];
  27         }               legacy_models[5];
  28 #endif
  29 };
  30
  31 struct _tlb_table {
  32         unsigned char descriptor;
  33         char tlb_type;
  34         unsigned int entries;
  35         /* unsigned int ways; */
  36         char info[128];
  37 };
  38
  39 #define cpu_dev_register(cpu_devX) \
  40         static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
  41         __attribute__((__section__(".x86_cpu_dev.init"))) = \
  42         &cpu_devX;
  43
  44 extern const struct cpu_dev *const __x86_cpu_dev_start[],
  45                             *const __x86_cpu_dev_end[];
  46
  47 extern void get_cpu_cap(struct cpuinfo_x86 *c);
  48 extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
  49
  50 unsigned int aperfmperf_get_khz(int cpu);
  51
  52 extern void x86_spec_ctrl_setup_ap(void);
  53
  54 #endif /* ARCH_X86_CPU_H */