arch/x86/kernel/cpu/cpu.h

   1 #ifndef ARCH_X86_CPU_H
   2
   3 #define ARCH_X86_CPU_H
   4
   5 struct cpu_model_info {
   6         int vendor;
   7         int family;
   8         char *model_names[16];
   9 };
  10
  11 /* attempt to consolidate cpu attributes */
  12 struct cpu_dev {
  13         char    * c_vendor;
  14
  15         /* some have two possibilities for cpuid string */
  16         char    * c_ident[2];
  17
  18         struct          cpu_model_info c_models[4];
  19
  20         void            (*c_early_init)(struct cpuinfo_x86 *c);
  21         void            (*c_init)(struct cpuinfo_x86 * c);
  22         void            (*c_identify)(struct cpuinfo_x86 * c);
  23         unsigned int    (*c_size_cache)(struct cpuinfo_x86 * c, unsigned int size);
  24 };
  25
  26 extern struct cpu_dev * cpu_devs [X86_VENDOR_NUM];
  27
  28 struct cpu_vendor_dev {
  29         int vendor;
  30         struct cpu_dev *cpu_dev;
  31 };
  32
  33 #define cpu_vendor_dev_register(cpu_vendor_id, cpu_dev) \
  34         static struct cpu_vendor_dev __cpu_vendor_dev_##cpu_vendor_id __used \
  35         __attribute__((__section__(".x86cpuvendor.init"))) = \
  36         { cpu_vendor_id, cpu_dev }
  37
  38 extern struct cpu_vendor_dev __x86cpuvendor_start[], __x86cpuvendor_end[];
  39
  40 extern int get_model_name(struct cpuinfo_x86 *c);
  41 extern void display_cacheinfo(struct cpuinfo_x86 *c);
  42
  43 #endif