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        int             c_x86_vendor;
  17#ifdef CONFIG_X86_32
  18        /* Optional vendor specific routine to obtain the cache size. */
  19        unsigned int    (*legacy_cache_size)(struct cpuinfo_x86 *,
  20                                             unsigned int);
  21
  22        /* Family/stepping-based lookup table for model names. */
  23        struct legacy_cpu_model_info {
  24                int             family;
  25                const char      *model_names[16];
  26        }               legacy_models[5];
  27#endif
  28};
  29
  30struct _tlb_table {
  31        unsigned char descriptor;
  32        char tlb_type;
  33        unsigned int entries;
  34        /* unsigned int ways; */
  35        char info[128];
  36};
  37
  38#define cpu_dev_register(cpu_devX) \
  39        static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
  40        __attribute__((__section__(".x86_cpu_dev.init"))) = \
  41        &cpu_devX;
  42
  43extern const struct cpu_dev *const __x86_cpu_dev_start[],
  44                            *const __x86_cpu_dev_end[];
  45
  46extern void get_cpu_cap(struct cpuinfo_x86 *c);
  47extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
  48#endif /* ARCH_X86_CPU_H */
  49