/*
	defs.h
	Constants, prototypes and external declarations
	included from asssembler startup and C-files
*/
#include	"md407.h"
#include	<ctype.h>
#include	<stdio.h>

#define MAJOR_VERSION 	1
#define MINOR_VERSION	1
#define PROMPTER		"\ndbg:"
#define	DEBUGGER_NAME	"dbgARM"
#define	DEBUGGER_MACHINE	"MD407 (ARM Cortex-M4)"
#define	DATE_VERSION	"2021-11-08"



/* Default size for memory access commands (1,2 or 4) */
#define	DEFSIZ	4

/* Maximum number of breakpoints (table size) */
#define	MAXBP		10

/* Size of global input buffer */
#define	MAXARGS	4
#define	MAXARGLENGTH	20
#define	SZOFINBUF	MAXARGS*MAXARGLENGTH


/* Types */
// todo; arrange so that LDMIS STMIA can be used...
typedef struct t_alregs{
	int	r0;	// 0
	int	r1;	// 4
	int	r2;	// 8
	int	r3;	// 12
	int	r4;	// 16
	int	r5;	// 20
	int	r6;	// 24
	int	r7;	// 28
	int	r8;	// 32
	int	r9;	// 36
	int	r10;	// 40
	int	r11;	// 44
	int	r12;	// 48
	int	sp;	// 52
	int	lr;	// 56
	int	pc;	// 60
	int	apsr;	// 64
	int	stackPSP;	// 68
	int	stackMSP;	// 72
}AL_REGS;


typedef struct t_fpregs{
	int	s0;	// 0
	int	s1;	// 4
	int	s2;	// 8
	int	s3;	// 12
	int	s4;	// 16
	int	s5;	// 20
	int	s6;	// 24
	int	s7;	// 28
	int	s8;	// 32
	int	s9;	// 36
	int	s10;	// 40
	int	s11;	// 44
	int	s12;	// 48
	int	s13;	// 52
	int	s14;	// 56
	int	s15;	// 60
	int	fpscr;	// 64

	int	s16;	// 68
	int	s17;	// 68
	int	s18;	// 68
	int	s19;	// 68
	int	s20;	// 68
	int	s21;	// 68
	int	s22;	// 68
	int	s23;	// 68
	int	s24;	// 68
	int	s25;	// 68
	int	s26;	// 68
	int	s27;	// 68
	int	s28;	// 68
	int	s29;	// 68
	int	s30;	// 68
	int	s31;	// 68


}FP_REGS;


extern	AL_REGS	alregs;
extern 	FP_REGS	fpregs;

typedef struct __attribute((packed)) tag_ContextFrame
{
	unsigned long r0;
	unsigned long r1;
	unsigned long r2;
	unsigned long r3;
	unsigned long r12;
	unsigned long lr;
	unsigned long pc_return;
	unsigned long xpsr;

	unsigned long s0;
	unsigned long s1;
	unsigned long s2;
	unsigned long s3;
	unsigned long s4;
	unsigned long s5;
	unsigned long s6;
	unsigned long s7;
	unsigned long s8;
	unsigned long s9;
	unsigned long s10;
	unsigned long s11;
	unsigned long s12;
	unsigned long s13;
	unsigned long s14;
	unsigned long s15;
	unsigned long fpscr;
	unsigned long Res1;
	unsigned long Res2;
} ContextFrame, *PContextFrame;

/*
 * Global data 
 */
extern unsigned long * g_pfnVectors[];
extern unsigned long * g_pfnVectors_copy[];
extern long system_stack;

/*
 * 	Prototypes
 */

/*  lowlevel.s */
//void	traceone( void );
//void	lowgo( unsigned short * );
void	restart(void);


/* main.c */
void	help( int, unsigned char* );
void	help_tr( void );
void	help_go( void );
void	help_mm( void );
void	help_reg( void );
void	help_dm( void );
void	help_bp( void);
void	restore_vectorbase( int );
void	init( void );

void	_outchar( unsigned char );
unsigned char _inchar( void );


/* lcd.c */
void graphic_initalize(void);	/* 0xDFF0 */
void graphic_clearScreen(void);	/* 0xDFF1 */
void pixelset( int x, int y);	/* 0xDFF2 */
void pixelclear( int x, int y);	/* 0xDFF3 */




/* run.c */
void	prstat( void );


/* dasm_XXX.c */
// dasm_hc12.c - Public functions in far segment
int	Instruction( unsigned long  address, int print);
void dasm( int argc, char ** argv);

/* bp.c */
void		breaks( int argc , char **argv );
void 	inibp( void );
int 		isbreak( unsigned short *  address );
int		setbp( unsigned short *  address , int new);
void 	rembp( int new );
void 	enbreak( unsigned short *  address );
void 	disbreak( void );


/* exceptions.c */
void	traced( void );
void	atbreak( void );




// command routines
void	mm( int ,char **);
void	dm( int ,char **);
void 	trace( int argc, char ** argv);	
void 	go( int argc, char ** argv);
void 	reg( int argc, char ** argv);
void	load( void );
void	fload(void);



/* reg.c */
/* Target dependent routines */
void	inireg( void );
void 	printregs( void );
void	printreg( char * );
void	setreg( char *, int  );
void printallregs( void );

unsigned long getMSPReg( void );
unsigned long getPSPReg( void );

unsigned long getApsrReg( void );
unsigned long getEapsrReg( void );
unsigned long getPsrReg( void );
unsigned long getEpsrReg( void );

unsigned long getPrimaskReg( void ) ;
unsigned long getFaultmaskReg( void ) ;
unsigned long getBasepriReg( void );
unsigned long getBasepri_MaxReg( void );
unsigned long getControlReg( void );

void setControlReg( unsigned long x ); 
void setBasepriReg( unsigned long value );


/* util.c */
void smallprintf( char * , ... );	
unsigned char atohex( char );
void 	puthex( char i );
void	puthex2( short int i);
int 	decval( char * s ,int complain);
int	strtoint(char * start, int base, int complain, int *newnum, int *page);
void	getstring( char *ptr , int max, int hot );
int	strcmpi( char *s1 , char *s2 );
//void	putsnnl( char *s );
int	noteol( char c );
char *	skipblanc( char *str );
char *	skipnonblanc( char *str );
void 	printable(char * start, int length);
int	getsize( char * s, int complain );


/* externals - data.c */
extern	unsigned char inbuf[];
extern	int hottrace;
extern	char ready;
extern	int * vector_base;