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 int pmtimer_mark_offset(void);
43 extern void pmtimer_resume(void);
44 extern void pmtimer_wait(unsigned);
45 extern unsigned int do_gettimeoffset_pm(void);
46 #ifdef CONFIG_X86_PM_TIMER
47 extern u32 pmtmr_ioport;
49 #define pmtmr_ioport 0
51 extern unsigned long long monotonic_base;
52 extern int sysctl_vsyscall;
54 extern unsigned long vxtime_hz;
56 extern void do_softirq_thunk(void);
58 extern int numa_setup(char *opt);
60 extern int setup_early_printk(char *);
61 extern void early_printk(const char *fmt, ...) __attribute__((format(printf,1,2)));
63 extern void early_identify_cpu(struct cpuinfo_x86 *c);
65 extern int k8_scan_nodes(unsigned long start, unsigned long end);
67 extern void numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn);
68 extern unsigned long numa_free_all_bootmem(void);
70 extern void reserve_bootmem_generic(unsigned long phys, unsigned len);
71 extern void free_bootmem_generic(unsigned long phys, unsigned len);
73 extern void load_gs_index(unsigned gs);
75 extern void stop_timer_interrupt(void);
76 extern void main_timer_handler(struct pt_regs *regs);
78 extern unsigned long end_pfn_map;
80 extern void show_trace(unsigned long * rsp);
81 extern void show_registers(struct pt_regs *regs);
83 extern void exception_table_check(void);
85 extern void acpi_reserve_bootmem(void);
87 extern void swap_low_mappings(void);
89 extern void __show_regs(struct pt_regs * regs);
90 extern void show_regs(struct pt_regs * regs);
92 extern char *syscall32_page;
93 extern void syscall32_cpu_init(void);
95 extern void setup_node_bootmem(int nodeid, unsigned long start, unsigned long end);
97 extern void check_ioapic(void);
98 extern void check_efer(void);
100 extern int unhandled_signal(struct task_struct *tsk, int sig);
102 extern int unsynchronized_tsc(void);
104 extern void select_idle_routine(const struct cpuinfo_x86 *c);
106 extern void gart_parse_options(char *);
107 extern void __init no_iommu_init(void);
109 extern unsigned long table_start, table_end;
111 extern int exception_trace;
112 extern int force_iommu, no_iommu;
113 extern int using_apic_timer;
114 extern int disable_apic;
115 extern unsigned cpu_khz;
116 extern int ioapic_force;
117 extern int skip_ioapic_setup;
119 extern int acpi_disabled;
121 #ifdef CONFIG_GART_IOMMU
122 extern int fallback_aper_order;
123 extern int fallback_aper_force;
124 extern int iommu_aperture;
125 extern int iommu_aperture_allowed;
126 extern int iommu_aperture_disabled;
127 extern int fix_aperture;
129 #define iommu_aperture 0
130 #define iommu_aperture_allowed 0
132 extern int force_iommu;
134 extern int reboot_force;
135 extern int notsc_setup(char *);
136 extern int setup_additional_cpus(char *);
138 extern void smp_local_timer_interrupt(struct pt_regs * regs);
140 long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
142 #define round_up(x,y) (((x) + (y) - 1) & ~((y)-1))
143 #define round_down(x,y) ((x) & ~((y)-1))