-/*
+/*
* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#include "linux/threads.h"
#include "sysdep/ptrace.h"
+#include "sysdep/faultinfo.h"
+
+typedef void (*kern_hndl)(int, union uml_pt_regs *);
+
+struct kern_handlers {
+ kern_hndl relay_signal;
+ kern_hndl winch;
+ kern_hndl bus_handler;
+ kern_hndl page_fault;
+ kern_hndl sigio_handler;
+ kern_hndl timer_handler;
+};
+
+extern struct kern_handlers handlinfo_kern;
extern int ncpus;
extern char *linux_prog;
extern int jail;
extern int nsyscalls;
-extern struct task_struct *idle_threads[NR_CPUS];
-
#define UML_ROUND_DOWN(addr) ((void *)(((unsigned long) addr) & PAGE_MASK))
#define UML_ROUND_UP(addr) \
UML_ROUND_DOWN(((unsigned long) addr) + PAGE_SIZE - 1)
extern void syscall_segv(int sig);
extern int current_pid(void);
extern unsigned long alloc_stack(int order, int atomic);
-extern int do_signal(int error);
+extern int do_signal(void);
extern int is_stack_fault(unsigned long sp);
-extern unsigned long segv(unsigned long address, unsigned long ip,
- int is_write, int is_user, void *sc);
+extern unsigned long segv(struct faultinfo fi, unsigned long ip,
+ int is_user, void *sc);
extern int handle_page_fault(unsigned long address, unsigned long ip,
int is_write, int is_user, int *code_out);
extern void syscall_ready(void);
extern int segv_syscall(void);
extern void kern_finish_exec(void *task, int new_pid, unsigned long stack);
extern int page_size(void);
-extern int page_mask(void);
+extern unsigned long page_mask(void);
extern int need_finish_fork(void);
extern void free_stack(unsigned long stack, int order);
extern void add_input_request(int op, void (*proc)(int), void *arg);
extern int set_signals(int enable);
extern void force_sigbus(void);
extern int pid_to_processor_id(int pid);
-extern void block_signals(void);
-extern void unblock_signals(void);
extern void deliver_signals(void *t);
extern int next_syscall_index(int max);
extern int next_trap_index(int max);
extern void paging_init(void);
extern void init_flush_vm(void);
extern void *syscall_sp(void *t);
-extern void syscall_trace(void);
+extern void syscall_trace(union uml_pt_regs *regs, int entryexit);
extern int hz(void);
-extern void idle_timer(void);
+extern void uml_idle_timer(void);
extern unsigned int do_IRQ(int irq, union uml_pt_regs *regs);
extern int external_pid(void *t);
-extern int pid_to_processor_id(int pid);
extern void boot_timer_handler(int sig);
extern void interrupt_end(void);
extern void initial_thread_cb(void (*proc)(void *), void *arg);
extern void unprotect_stack(unsigned long stack);
extern void do_uml_exitcalls(void);
extern int attach_debugger(int idle_pid, int pid, int stop);
-extern void bad_segv(unsigned long address, unsigned long ip, int is_write);
+extern void bad_segv(struct faultinfo fi, unsigned long ip);
extern int config_gdb(char *str);
extern int remove_gdb(void);
extern char *uml_strdup(char *string);
extern void unprotect_kernel_mem(void);
extern void protect_kernel_mem(void);
-extern void set_kmem_end(unsigned long);
extern void uml_cleanup(void);
-extern int pid_to_processor_id(int pid);
extern void set_current(void *t);
extern void lock_signalled_task(void *t);
extern void IPI_handler(int cpu);
extern int clear_user_proc(void *buf, int size);
extern int copy_to_user_proc(void *to, void *from, int size);
extern int copy_from_user_proc(void *to, void *from, int size);
+extern int strlen_user_proc(char *str);
extern void bus_handler(int sig, union uml_pt_regs *regs);
+extern void winch(int sig, union uml_pt_regs *regs);
extern long execute_syscall(void *r);
extern int smp_sigio_handler(void);
extern void *get_current(void);
extern int is_syscall(unsigned long addr);
extern void arch_switch(void);
extern void free_irq(unsigned int, void *);
-extern int um_in_interrupt(void);
extern int cpu(void);
+
+/* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */
+extern int __cant_sleep(void);
+extern void segv_handler(int sig, union uml_pt_regs *regs);
+extern void sigio_handler(int sig, union uml_pt_regs *regs);
+
#endif
/*