/*	Copyright Motorola, Inc. 1993, 1994
	ALL RIGHTS RESERVED

	You are hereby granted a copyright license to use, modify, and 
	distribute the SOFTWARE so long as this entire notice is retained 
	without alteration in any modified and/or redistributed versions, 
	and that such modified versions are clearly identified as such.  
	No licenses are granted by implication, estoppel or otherwise under 
	any patents or trademarks of Motorola, Inc.

	The SOFTWARE is provided on an "AS IS" basis and without warranty.  
	To the maximum extent permitted by applicable law, MOTOROLA DISCLAIMS 
	ALL WARRANTIES WHETHER EXPRESS OR IMPLIED, INCLUDING IMPLIED 
	WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR 
	PURPOSE AND ANY WARRANTY AGAINST INFRINGEMENT WITH 
	REGARD TO THE SOFTWARE (INCLUDING ANY MODIFIED VERSIONS 
	THEREOF) AND ANY ACCOMPANYING WRITTEN MATERIALS. 

	To the maximum extent permitted by applicable law, IN NO EVENT SHALL 
	MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER 
	(INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF 
	BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS 
	INFORMATION, OR OTHER PECUNIARY LOSS) ARISING OF THE USE OR 
	INABILITY TO USE THE SOFTWARE.   Motorola assumes no responsibility 
	for the maintenance and support of the SOFTWARE.  

*/


/*
0         1         2         3         4         5         6         7         8
012345678901234567890123456789012345678901234567890123456789012345678901234567890
*/

/* ----------------------------------------------------------------------- */
/*
file:		brk_pts.h

purpose:	This file contains the declarations for the data structures which
			are needed for the breakpoint operations.

inputs:		NO

outputs:	NO

return:		NO  (hey, it's a header file...)

modification history:
		11/13/92		MH
*/

#include "cpu.h"

#ifndef		IN_BREAKPOINTS
#define	WHERE extern
#else
#define WHERE
#endif

/*
    ---------------------------------------------------------------------
    ===================== Prototype Our Functions =======================
    ---------------------------------------------------------------------
*/
WHERE	STATUS write_to_BPDS();
WHERE	STATUS read_from_BPDS();
WHERE	STATUS get_index();
WHERE	STATUS breakpoint_set();
WHERE	STATUS breakpoint_delete();
WHERE	STATUS breakpoint_initialize();
WHERE	STATUS breakpoint_list();
WHERE	STATUS flush_breakpoints();
WHERE	STATUS restore_breakpoints();
WHERE	STATUS is_a_breakpoint();


/*
    ---------------------------------------------------------------------
    ==================== Breakpoint Data Structure ======================
    ---------------------------------------------------------------------
*/

#define		MAX_BPDS_ENTRIES	20

#define		ILLEGAL_OPCODE		0x00000000l

typedef	struct
	{			/* This structure is needed because we are storing
				   three fields in the breakpoint data structure.
				*/

				/* This is the "valid bit" field.  This field is
				   used to determine if this entry in the data-
				   structure is presently being used.
				*/ 
		int		vbit;
		
				/* This is the address where we are setting a
				   breakpoint.
				*/
		INTEGER	bp_address;

				/* This is the instruction found in memory at address
				   "bp_address".
				*/
		INTEGER	bp_instruct;

	} breakpoint_type;

WHERE	breakpoint_type	BPDS[MAX_BPDS_ENTRIES];

#undef WHERE