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/*

 * kgdb.h: Defines and declarations for serial line source level

 *         remote debugging of the Linux kernel using gdb.

 *

 * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)

 *

 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)

 */

#ifdef __KERNEL__

#ifndef _PPC_KGDB_H

#define _PPC_KGDB_H

#ifndef __ASSEMBLY__

/* To initialize the serial, first thing called */

extern void kgdb_map_scc(void);

/* To init the kgdb engine. (called by serial hook)*/

extern void set_debug_traps(void);

/* To enter the debugger explicitly. */

extern void breakpoint(void);

/* For taking exceptions

 * these are defined in traps.c

 */

extern void (*debugger)(struct pt_regs *regs);

extern int (*debugger_bpt)(struct pt_regs *regs);

extern int (*debugger_sstep)(struct pt_regs *regs);

extern int (*debugger_iabr_match)(struct pt_regs *regs);

extern int (*debugger_dabr_match)(struct pt_regs *regs);

extern void (*debugger_fault_handler)(struct pt_regs *regs);

/* What we bring to the party */

int kgdb_bpt(struct pt_regs *regs);

int kgdb_sstep(struct pt_regs *regs);

void kgdb(struct pt_regs *regs);

int kgdb_iabr_match(struct pt_regs *regs);

int kgdb_dabr_match(struct pt_regs *regs);

/*

 * external low-level support routines (ie macserial.c)

 */

extern void kgdb_interruptible(int); /* control interrupts from serial */

extern void putDebugChar(char);   /* write a single character      */

extern char getDebugChar(void);   /* read and return a single char */

#endif /* !(__ASSEMBLY__) */

#endif /* !(_PPC_KGDB_H) */

#endif /* __KERNEL__ */