1 #ifndef _ASM_X8664_PROTO_H
2 #define _ASM_X8664_PROTO_H 1
6 /* misc architecture specific prototypes */
11 extern void start_kernel(void);
12 extern void pda_init(int);
14 extern void zap_low_mappings(int cpu
);
16 extern void early_idt_handler(void);
18 extern void mcheck_init(struct cpuinfo_x86
*c
);
20 extern void mtrr_ap_init(void);
21 extern void mtrr_bp_init(void);
23 #define mtrr_ap_init() do {} while (0)
24 #define mtrr_bp_init() do {} while (0)
26 extern void init_memory_mapping(unsigned long start
, unsigned long end
);
28 extern void system_call(void);
29 extern int kernel_syscall(void);
30 extern void syscall_init(void);
32 extern void ia32_syscall(void);
33 extern void ia32_cstar_target(void);
34 extern void ia32_sysenter_target(void);
36 extern void config_acpi_tables(void);
37 extern void ia32_syscall(void);
39 extern int pmtimer_mark_offset(void);
40 extern void pmtimer_resume(void);
41 extern void pmtimer_wait(unsigned);
42 extern unsigned int do_gettimeoffset_pm(void);
43 #ifdef CONFIG_X86_PM_TIMER
44 extern u32 pmtmr_ioport
;
46 #define pmtmr_ioport 0
50 extern void early_printk(const char *fmt
, ...) __attribute__((format(printf
,1,2)));
52 extern void early_identify_cpu(struct cpuinfo_x86
*c
);
54 extern int k8_scan_nodes(unsigned long start
, unsigned long end
);
56 extern void numa_initmem_init(unsigned long start_pfn
, unsigned long end_pfn
);
57 extern unsigned long numa_free_all_bootmem(void);
59 extern void reserve_bootmem_generic(unsigned long phys
, unsigned len
);
61 extern void load_gs_index(unsigned gs
);
63 extern void stop_timer_interrupt(void);
64 extern void main_timer_handler(void);
66 extern unsigned long end_pfn_map
;
68 extern void show_trace(struct task_struct
*, struct pt_regs
*, unsigned long * rsp
);
69 extern void show_registers(struct pt_regs
*regs
);
71 extern void exception_table_check(void);
73 extern void acpi_reserve_bootmem(void);
75 extern void swap_low_mappings(void);
77 extern void __show_regs(struct pt_regs
* regs
);
78 extern void show_regs(struct pt_regs
* regs
);
80 extern void syscall32_cpu_init(void);
82 extern void setup_node_bootmem(int nodeid
, unsigned long start
, unsigned long end
);
84 extern void early_quirks(void);
85 extern void check_efer(void);
87 extern int unhandled_signal(struct task_struct
*tsk
, int sig
);
89 extern void select_idle_routine(const struct cpuinfo_x86
*c
);
91 extern unsigned long table_start
, table_end
;
93 extern int exception_trace
;
94 extern unsigned cpu_khz
;
96 extern void no_iommu_init(void);
97 extern int force_iommu
, no_iommu
;
98 extern int iommu_detected
;
100 extern void gart_iommu_init(void);
101 extern void __init
gart_parse_options(char *);
102 extern void iommu_hole_init(void);
103 extern int fallback_aper_order
;
104 extern int fallback_aper_force
;
105 extern int iommu_aperture
;
106 extern int iommu_aperture_allowed
;
107 extern int iommu_aperture_disabled
;
108 extern int fix_aperture
;
110 #define iommu_aperture 0
111 #define iommu_aperture_allowed 0
114 extern int reboot_force
;
115 extern int notsc_setup(char *);
117 extern int timer_over_8254
;
119 extern int gsi_irq_sharing(int gsi
);
121 extern void smp_local_timer_interrupt(void);
123 long do_arch_prctl(struct task_struct
*task
, int code
, unsigned long addr
);
125 void i8254_timer_resume(void);
127 #define round_up(x,y) (((x) + (y) - 1) & ~((y)-1))
128 #define round_down(x,y) ((x) & ~((y)-1))