[LV-kern-commit] CVS: kernel-2.4/include/asm-vax kdb.h,NONE,1.1 kdbprivate.h,NONE,1.1

[Dave A. <ai...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/include/asm-vax
In directory usw-pr-cvs1:/tmp/cvs-serv31597

Added Files:
	kdb.h kdbprivate.h 
Log Message:
DA: kdb support 


--- NEW FILE ---
/*
 * Real include/asm/kdb.h for Vax.
 * 
 * Minimalist Kernel Debugger
 *
 * Copyright (C) 1999 Silicon Graphics, Inc.
 * Copyright (C) Scott Lurndal (sl...@en...)
 * Copyright (C) Scott Foehner (sfo...@en...)
 * Copyright (C) Srinivasa Thirumalachar (sp...@en...)
 *
 * See the file LIA-COPYRIGHT for additional information.
 *
 * Written March 1999 by Scott Lurndal at Silicon Graphics, Inc.
 *
 * Modifications from:
 *      Richard Bass                    1999/07/20
 *              Many bug fixes and enhancements.
 *      Scott Foehner
 *              Port to ia64
 *	Scott Lurndal			1999/12/12
 *		v1.0 restructuring.
 *      David Airlie    2002
 *      VAX Porting Project
 */
#if !defined(_ASM_KDB_H)
#define _ASM_KDB_H
#define KDB_ENTER() asm("\tchms $0\n")
struct pt_regs;
typedef struct pt_regs	*kdb_eframe_t;
typedef unsigned long kdb_machreg_t;

#define kdb_machreg_fmt		"0x%lx"
#define kdb_machreg_fmt0	"0x%08lx"
#define kdb_bfd_vma_fmt		"0x%lx"
#define kdb_bfd_vma_fmt0	"0x%08lx"
#define kdb_elfw_addr_fmt	"0x%x"
#define kdb_elfw_addr_fmt0	"0x%08x"

#endif	/* ASM_KDB_H */

--- NEW FILE ---
/*
 * Minimalist Kernel Debugger
 *
 * Copyright (C) 1999 Silicon Graphics, Inc.
 * Copyright (C) Scott Lurndal (sl...@en...)
 * Copyright (C) Scott Foehner (sfo...@en...)
 * Copyright (C) Srinivasa Thirumalachar (sp...@en...)
 *
 * See the file LIA-COPYRIGHT for additional information.
 *
 * Written March 1999 by Scott Lurndal at Silicon Graphics, Inc.
 *
 * Modifications from:
 *      Richard Bass                    1999/07/20
 *              Many bug fixes and enhancements.
 *      Scott Foehner
 *              Port to ia64
 *	Scott Lurndal			1999/12/12
 *		v1.0 restructuring.
 *	Keith Owens			2000/05/23
 *		KDB v1.2
 */
#if !defined(_ASM_KDBPRIVATE_H)
#define _ASM_KDBPRIVATE_H

typedef unsigned char kdb_machinst_t;

	/*
	 * KDB_MAXBPT describes the total number of breakpoints
	 * supported by this architecure.  
	 */
#define KDB_MAXBPT	16
	/*
	 * KDB_MAXHARDBPT describes the total number of hardware
	 * breakpoint registers that exist.
	 */
#define KDB_MAXHARDBPT	 0
        /*
         * Provide space for KDB_MAX_COMMANDS commands.
         */
#define KDB_MAX_COMMANDS        125

	/*
	 * Platform specific environment entries
	 */
#define KDB_PLATFORM_ENV	"IDMODE=vax", "BYTESPERWORD=4", "IDCOUNT=16"

	/*
	 * Define the direction that the stack grows
	 */
#define KDB_STACK_DIRECTION	(-1)	/* Stack grows down */

	/*
	 * Support for ia32 debug registers 
	 */
typedef struct _kdbhard_bp {
	kdb_machreg_t	bph_reg;	/* Register this breakpoint uses */

	unsigned int	bph_free:1;	/* Register available for use */
	unsigned int	bph_data:1;	/* Data Access breakpoint */

	unsigned int	bph_write:1;	/* Write Data breakpoint */
	unsigned int	bph_mode:2;	/* 0=inst, 1=write, 2=io, 3=read */
	unsigned int	bph_length:2;	/* 0=1, 1=2, 2=BAD, 3=4 (bytes) */
} kdbhard_bp_t;

extern kdbhard_bp_t	kdb_hardbreaks[/* KDB_MAXHARDBPT */];

#undef KDB_HAVE_LONGJMP
#ifdef KDB_HAVE_LONGJMP
/*
 * Support for setjmp/longjmp
 */
#define JB_BX   0
#define JB_SI   1
#define JB_DI   2
#define JB_BP   3
#define JB_SP   4
#define JB_PC   5

typedef struct __kdb_jmp_buf {
        unsigned long   regs[6];	/* kdba_setjmp assumes fixed offsets here */
} kdb_jmp_buf;

extern int kdba_setjmp(kdb_jmp_buf *);
extern void kdba_longjmp(kdb_jmp_buf *, int);

extern kdb_jmp_buf  kdbjmpbuf[];
#endif	/* KDB_HAVE_LONGJMP */

#endif	/* !_ASM_KDBPRIVATE_H */