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
);
27 extern void size_zones(unsigned long *z
, unsigned long *h
,
28 unsigned long start_pfn
, unsigned long end_pfn
);
30 extern void system_call(void);
31 extern int kernel_syscall(void);
32 extern void syscall_init(void);
34 extern void ia32_syscall(void);
35 extern void ia32_cstar_target(void);
36 extern void ia32_sysenter_target(void);
38 extern void config_acpi_tables(void);
39 extern void ia32_syscall(void);
40 extern void iommu_hole_init(void);
42 extern void time_init_gtod(void);
43 extern int pmtimer_mark_offset(void);
44 extern unsigned int do_gettimeoffset_pm(void);
45 #ifdef CONFIG_X86_PM_TIMER
46 extern u32 pmtmr_ioport
;
48 #define pmtmr_ioport 0
50 extern unsigned long long monotonic_base
;
51 extern int sysctl_vsyscall
;
53 extern unsigned long vxtime_hz
;
55 extern void do_softirq_thunk(void);
57 extern int numa_setup(char *opt
);
59 extern int setup_early_printk(char *);
60 extern void early_printk(const char *fmt
, ...) __attribute__((format(printf
,1,2)));
62 extern void early_identify_cpu(struct cpuinfo_x86
*c
);
64 extern int k8_scan_nodes(unsigned long start
, unsigned long end
);
66 extern void numa_initmem_init(unsigned long start_pfn
, unsigned long end_pfn
);
67 extern unsigned long numa_free_all_bootmem(void);
69 extern void reserve_bootmem_generic(unsigned long phys
, unsigned len
);
70 extern void free_bootmem_generic(unsigned long phys
, unsigned len
);
72 extern void load_gs_index(unsigned gs
);
74 extern void stop_timer_interrupt(void);
75 extern void main_timer_handler(struct pt_regs
*regs
);
77 extern unsigned long end_pfn_map
;
79 extern void show_trace(unsigned long * rsp
);
80 extern void show_registers(struct pt_regs
*regs
);
82 extern void exception_table_check(void);
84 extern void acpi_reserve_bootmem(void);
86 extern void swap_low_mappings(void);
88 extern void __show_regs(struct pt_regs
* regs
);
89 extern void show_regs(struct pt_regs
* regs
);
91 extern char *syscall32_page
;
92 extern void syscall32_cpu_init(void);
94 extern void setup_node_bootmem(int nodeid
, unsigned long start
, unsigned long end
);
96 extern void check_ioapic(void);
97 extern void check_efer(void);
99 extern int unhandled_signal(struct task_struct
*tsk
, int sig
);
101 extern int unsynchronized_tsc(void);
103 extern void select_idle_routine(const struct cpuinfo_x86
*c
);
105 extern void gart_parse_options(char *);
106 extern void __init
no_iommu_init(void);
108 extern unsigned long table_start
, table_end
;
110 extern int exception_trace
;
111 extern int force_iommu
, no_iommu
;
112 extern int using_apic_timer
;
113 extern int disable_apic
;
114 extern unsigned cpu_khz
;
115 extern int ioapic_force
;
116 extern int skip_ioapic_setup
;
118 extern int acpi_disabled
;
120 #ifdef CONFIG_GART_IOMMU
121 extern int fallback_aper_order
;
122 extern int fallback_aper_force
;
123 extern int iommu_aperture
;
124 extern int iommu_aperture_allowed
;
125 extern int iommu_aperture_disabled
;
126 extern int fix_aperture
;
128 #define iommu_aperture 0
129 #define iommu_aperture_allowed 0
131 extern int force_iommu
;
133 extern int reboot_force
;
135 extern void smp_local_timer_interrupt(struct pt_regs
* regs
);
137 long do_arch_prctl(struct task_struct
*task
, int code
, unsigned long addr
);
139 #define round_up(x,y) (((x) + (y) - 1) & ~((y)-1))
140 #define round_down(x,y) ((x) & ~((y)-1))