LXR linux/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 */
   5struct 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
  31struct _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
  44extern const struct cpu_dev *const __x86_cpu_dev_start[],
  45                            *const __x86_cpu_dev_end[];
  46
  47extern void get_cpu_cap(struct cpuinfo_x86 *c);
  48extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
  49#endif /* ARCH_X86_CPU_H */
  50