-/*
+/*
* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#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 char *gdb_init;
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 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 struct task_struct *get_task(int pid, int require);
extern void machine_halt(void);
extern int is_syscall(unsigned long addr);
-extern void arch_switch(void);
+
+extern void arch_switch_to_tt(struct task_struct *from, struct task_struct *to);
+
+extern void arch_switch_to_skas(struct task_struct *from, struct task_struct *to);
+
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
/*