diff options
Diffstat (limited to 'include/asm-x86/processor.h')
| -rw-r--r-- | include/asm-x86/processor.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 87466b6d3b9..c6b749a018a 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -96,7 +96,12 @@ struct cpuinfo_x86 { #define X86_VENDOR_NUM 9 #define X86_VENDOR_UNKNOWN 0xff +/* + * capabilities of CPUs + */ extern struct cpuinfo_x86 boot_cpu_data; +extern struct cpuinfo_x86 new_cpu_data; +extern struct tss_struct doublefault_tss; #ifdef CONFIG_SMP DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info); @@ -107,11 +112,22 @@ DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info); #define current_cpu_data boot_cpu_data #endif +void cpu_detect(struct cpuinfo_x86 *c); + +extern void identify_cpu(struct cpuinfo_x86 *); +extern void identify_boot_cpu(void); +extern void identify_secondary_cpu(struct cpuinfo_x86 *); extern void print_cpu_info(struct cpuinfo_x86 *); extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); extern unsigned short num_cache_leaves; +#if defined(CONFIG_X86_HT) || defined(CONFIG_X86_64) +extern void detect_ht(struct cpuinfo_x86 *c); +#else +static inline void detect_ht(struct cpuinfo_x86 *c) {} +#endif + static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) { @@ -205,6 +221,11 @@ struct tss_struct { DECLARE_PER_CPU(struct tss_struct, init_tss); +/* Save the original ist values for checking stack pointers during debugging */ +struct orig_ist { + unsigned long ist[7]; +}; + #ifdef CONFIG_X86_32 # include "processor_32.h" #else @@ -547,8 +568,28 @@ extern void select_idle_routine(const struct cpuinfo_x86 *c); extern unsigned long boot_option_idle_override; +extern void enable_sep_cpu(void); +extern int sysenter_setup(void); + +/* Defined in head.S */ +extern struct desc_ptr early_gdt_descr; + +extern void cpu_set_gdt(int); +extern void switch_to_new_gdt(void); +extern void cpu_init(void); +extern void init_gdt(int cpu); + +/* from system description table in BIOS. Mostly for MCA use, but + * others may find it useful. */ +extern unsigned int machine_id; +extern unsigned int machine_submodel_id; +extern unsigned int BIOS_revision; +extern unsigned int mca_pentium_flag; + /* Boot loader type from the setup header */ extern int bootloader_type; + +extern char ignore_fpu_irq; #define cache_line_size() (boot_cpu_data.x86_cache_alignment) #define HAVE_ARCH_PICK_MMAP_LAYOUT 1 |