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[PATCH] uml: timer initialization cleanup
[deliverable/linux.git] / arch / um / include / kern_util.h
CommitLineData
ea2ba7dc 1/*
1da177e4
LT		 2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __KERN_UTIL_H__
7#define __KERN_UTIL_H__
8
9#include "linux/threads.h"
10#include "sysdep/ptrace.h"
c578455a 11#include "sysdep/faultinfo.h"
1da177e4 12
ea2ba7dc
GS		 13typedef void (*kern_hndl)(int, union uml_pt_regs *);
14
15struct kern_handlers {
16 kern_hndl relay_signal;
17 kern_hndl winch;
18 kern_hndl bus_handler;
19 kern_hndl page_fault;
20 kern_hndl sigio_handler;
21 kern_hndl timer_handler;
22};
23
24extern struct kern_handlers handlinfo_kern;
25
1da177e4
LT		 26extern int ncpus;
27extern char *linux_prog;
28extern char *gdb_init;
29extern int kmalloc_ok;
30extern int timer_irq_inited;
31extern int jail;
32extern int nsyscalls;
33
1da177e4
LT		 34#define UML_ROUND_DOWN(addr) ((void *)(((unsigned long) addr) & PAGE_MASK))
35#define UML_ROUND_UP(addr) \
36 UML_ROUND_DOWN(((unsigned long) addr) + PAGE_SIZE - 1)
37
38extern int kernel_fork(unsigned long flags, int (*fn)(void *), void * arg);
39extern unsigned long stack_sp(unsigned long page);
40extern int kernel_thread_proc(void *data);
41extern void syscall_segv(int sig);
42extern int current_pid(void);
43extern unsigned long alloc_stack(int order, int atomic);
44extern int do_signal(void);
45extern int is_stack_fault(unsigned long sp);
c578455a
BS		 46extern unsigned long segv(struct faultinfo fi, unsigned long ip,
47 int is_user, void *sc);
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LT		 48extern int handle_page_fault(unsigned long address, unsigned long ip,
49 int is_write, int is_user, int *code_out);
50extern void syscall_ready(void);
51extern void set_tracing(void *t, int tracing);
52extern int is_tracing(void *task);
53extern int segv_syscall(void);
54extern void kern_finish_exec(void *task, int new_pid, unsigned long stack);
55extern int page_size(void);
56extern unsigned long page_mask(void);
57extern int need_finish_fork(void);
58extern void free_stack(unsigned long stack, int order);
59extern void add_input_request(int op, void (*proc)(int), void *arg);
60extern char *current_cmd(void);
61extern void timer_handler(int sig, union uml_pt_regs *regs);
62extern int set_signals(int enable);
63extern void force_sigbus(void);
64extern int pid_to_processor_id(int pid);
1da177e4
LT		 65extern void deliver_signals(void *t);
66extern int next_syscall_index(int max);
67extern int next_trap_index(int max);
68extern void default_idle(void);
69extern void finish_fork(void);
70extern void paging_init(void);
71extern void init_flush_vm(void);
72extern void *syscall_sp(void *t);
73extern void syscall_trace(union uml_pt_regs *regs, int entryexit);
74extern int hz(void);
75extern void uml_idle_timer(void);
76extern unsigned int do_IRQ(int irq, union uml_pt_regs *regs);
77extern int external_pid(void *t);
1da177e4
LT		 78extern void interrupt_end(void);
79extern void initial_thread_cb(void (*proc)(void *), void *arg);
80extern int debugger_signal(int status, int pid);
81extern void debugger_parent_signal(int status, int pid);
82extern void child_signal(int pid, int status);
83extern int init_ptrace_proxy(int idle_pid, int startup, int stop);
84extern int init_parent_proxy(int pid);
85extern int singlestepping(void *t);
86extern void check_stack_overflow(void *ptr);
87extern void relay_signal(int sig, union uml_pt_regs *regs);
88extern void not_implemented(void);
89extern int user_context(unsigned long sp);
90extern void timer_irq(union uml_pt_regs *regs);
91extern void unprotect_stack(unsigned long stack);
92extern void do_uml_exitcalls(void);
93extern int attach_debugger(int idle_pid, int pid, int stop);
c578455a 94extern void bad_segv(struct faultinfo fi, unsigned long ip);
1da177e4
LT		 95extern int config_gdb(char *str);
96extern int remove_gdb(void);
97extern char *uml_strdup(char *string);
98extern void unprotect_kernel_mem(void);
99extern void protect_kernel_mem(void);
100extern void uml_cleanup(void);
101extern void set_current(void *t);
102extern void lock_signalled_task(void *t);
103extern void IPI_handler(int cpu);
104extern int jail_setup(char *line, int *add);
105extern void *get_init_task(void);
106extern int clear_user_proc(void *buf, int size);
107extern int copy_to_user_proc(void *to, void *from, int size);
108extern int copy_from_user_proc(void *to, void *from, int size);
109extern int strlen_user_proc(char *str);
110extern void bus_handler(int sig, union uml_pt_regs *regs);
111extern void winch(int sig, union uml_pt_regs *regs);
112extern long execute_syscall(void *r);
113extern int smp_sigio_handler(void);
114extern void *get_current(void);
115extern struct task_struct *get_task(int pid, int require);
116extern void machine_halt(void);
117extern int is_syscall(unsigned long addr);
972410b0 118
1da177e4 119extern void free_irq(unsigned int, void *);
1da177e4 120extern int cpu(void);
b6316293 121
5cb38bc4
JD		 122extern void time_init_kern(void);
123
b6316293
PBG		 124/* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */
125extern int __cant_sleep(void);
ea2ba7dc
GS		 126extern void segv_handler(int sig, union uml_pt_regs *regs);
127extern void sigio_handler(int sig, union uml_pt_regs *regs);
1da177e4
LT		 128
129#endif
Linux kernel - Deliverables
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