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//==========================================================================

//

//      monitor.h

//

//      Main definitions for the CygMON ROM monitor

//

//==========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation; either version 2 or (at your option) any later version.

//

// eCos is distributed in the hope that it will be useful, but WITHOUT ANY

// WARRANTY; without even the implied warranty of MERCHANTABILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

//

// You should have received a copy of the GNU General Public License along

// with eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    

// Contributors: gthomas, dmoseley

// Date:         1999-10-20

// Purpose:      Main definitions for the CygMON ROM monitor

// Description:  

//               

//

//####DESCRIPTIONEND####

//

//=========================================================================

#ifndef MONITOR_H

#define MONITOR_H

#if !defined(__ASSEMBLER__)

#include <stdarg.h>

#endif

#include <board.h>

#ifdef HAVE_BSP

#include "cpu_info.h"

#endif

#include <monitor_cmd.h>

#ifdef __ECOS__

#include <cyg/hal/plf_stub.h>

#endif

#ifndef ASM

#ifdef HAVE_BSP

#define xprintf    bsp_dprintf

#define xsprintf   bsp_sprintf

#define xvprintf   bsp_dvprintf

#define xputchar   bsp_debug_putc

#define xgetchar   bsp_debug_getc

#define xungetchar bsp_debug_ungetc

#define __getTty() bsp_set_debug_comm(-1)

#define set_pc(x)  bsp_set_pc((x), mon_saved_regs)

#ifndef USE_ECOS_HAL_SINGLESTEP

#define __single_step()            bsp_singlestep_setup(mon_saved_regs)

#define __clear_single_step()      bsp_singlestep_cleanup(mon_saved_regs)

#endif /* USE_ECOS_HAL_SINGLESTEP */

#ifndef USE_ECOS_HAL_BREAKPOINTS

#define breakpoint() bsp_breakpoint()

#endif /* USE_ECOS_HAL_BREAKPOINTS */

#if defined(__ECOS__) && defined(CYGHWR_HAL_RESET_DEFINED)

   extern void __reset(void);

#else // defined(__ECOS__) && defined(CYGHWR_HAL_RESET_DEFINED)

#  define __reset    bsp_reset

#endif // defined(__ECOS__) && defined(CYGHWR_HAL_RESET_DEFINED)

#else

extern void xprintf(const char *fmt, ...);

extern void xsprintf(char *str, const char *fmt, ...);

extern void xvprintf(const char *fmt, va_list ap);

#ifdef HAS_USER_IO

#define xputchar   putUserChar

#define xgetchar   getUserChar

#else

extern void putDebugChar(int ch);

extern int  getDebugChar(void);

#define xputchar   putDebugChar

#define xgetchar   getDebugChar

#endif

#define xungetchar ungetDebugChar

#endif

#ifndef USE_ECOS_HAL_BREAKPOINTS

struct bp {

  mem_addr_t address;

  bp_inst_t  old_inst;

  char       in_memory;

  struct bp  *next;

};

#endif // USE_ECOS_HAL_BREAKPOINTS

struct regstruct

{

  char *registername;

  int  registernumber;

#ifdef HAVE_BSP

#if defined(CYGPKG_HAL_ARM) || !defined(__ECOS__)

  int  registertype;

#endif // defined(CYGPKG_HAL_ARM) || !defined(__ECOS__)

#endif

#ifdef REG_VALID_FIELD_IN_REGSTRUCT

  int registervalid;

#endif

};

#ifdef HAVE_BSP

#define REGTYPE_INT    1

#define REGTYPE_FLOAT  2

#define REGTYPE_DOUBLE 3

union target_reg

{

    unsigned long  i;   /* integer register (32/64 bit) */

#if HAVE_FLOAT_REGS

    float          f;   /* float register (32bit)       */

#endif

#if HAVE_DOUBLE_REGS

    double         d;   /* double register (64bit)      */

#endif

};

typedef union target_reg target_regval_t;

/* This is a template for what should be defined in  the board specific

   header file composed, board.h */

#if ! defined(MEM_ADDR_DEFINED)

#define MEM_ADDR_DEFINED 1

typedef struct mem_addr {

  unsigned long addr;

} mem_addr_t;

#endif

#if !defined(BP_INST_T_DEFINED)

#define BP_INST_T_DEFINED 1

typedef unsigned char bp_inst_t ;

#endif

#if ! defined(MAKE_STD_ADDR)

#define MAKE_STD_ADDR(SRC, DST) ((DST)->addr = (SRC))

#endif

#if ! defined(ADD_OFFSET)

#define ADD_OFFSET(SRC,DST,OFFSET) ((DST)->addr = (SRC)->addr + (OFFSET))

#endif

#if ! defined(ADD_ALIGN)

#define ADD_ALIGN(SRC,DST,ALIGN) \

              ((DST)->addr = (SRC)->addr - ((SRC)->addr % (ALIGN)))

#endif

#if ! defined(MEM_ADDR_EQ_P)

#define MEM_ADDR_EQ_P(A, B) ((A).addr == (B).addr)     

#endif

#if ! defined(MEM_ADDR_DIFF)

#define MEM_ADDR_DIFF(A, B) ((A).addr - (B).addr)

#endif

#if ! defined(MEM_ADDR_ASI)

#define MEM_ADDR_ASI(A) -1

#endif

#endif  /* HAVE_BSP */

#if defined(NO_MALLOC) && ! defined(MAX_NUM_BP)

#define MAX_NUM_BP 64

#endif

extern struct regstruct regtab[];

extern char **argvect;

#ifdef HAVE_BSP

#define VERSION "release 2.0"

#else

#define VERSION "release 1.2"

#endif

#define MAXLINELEN 80

#define PROMPT "cygmon> "

#if ! defined MAX_HIST_ENTS

#define MAX_HIST_ENTS 10

#endif

/*

 * From monitor.c

 */

extern mem_addr_t last_pc;

extern int        stub_is_active;

#ifdef HAVE_BSP

extern void *mon_saved_regs;

#else

extern int (*user_signal_handler)(int);

#endif

extern void clear_user_state (void);

extern int  transfer_to_stub (void);

extern void version (void);

#ifdef MONITOR_CONTROL_INTERRUPTS

/* Enable interrupts within the monitor. */

extern void monitor_enable_interrupts (void);

/* Disable interrupts within the monitor. */

extern void monitor_disable_interrupts (void);

/* Returns 1 if interrupts have been enabled within the monitor, 0

   otherwise. */

extern int monitor_interrupt_state (void);

#endif /* MONITOR_CONTROL_INTERRUPTS */

/*

 * From utils.c

 */

extern int switch_to_stub_flag;

extern int input_char (void);

extern target_register_t str2int (char *str, int base);

#if HAVE_DOUBLE_REGS

extern double str2double (char *str, int base);

#endif

extern target_register_t str2intlen (char *str, int base, int len);

extern int hex2bytes(char *string, char *dest, int maxsize);

extern char *int2str (target_register_t number, int base, int numdigs);

#ifndef NO_MALLOC

extern char *strdup(const char *str);

#endif

extern target_register_t get_pc(void);

extern char *get_register_str (regnames_t which, int detail, int valid);

extern void store_register (regnames_t which, char *string);

#ifndef USE_ECOS_HAL_BREAKPOINTS

/*

 * From breakpoints.c

 */

extern int add_mon_breakpoint (mem_addr_t location);

extern void install_breakpoints (void);

extern void clear_breakpoints (void);

extern int  show_breakpoints (void);

extern int clear_mon_breakpoint (mem_addr_t location);

#endif /* USE_ECOS_HAL_BREAKPOINTS */

/*

 * From do-dis.c

 */

extern mem_addr_t do_dis (mem_addr_t *addr);

extern void flush_dis (void);

/*

 * From architecture-mon.c

 */

#ifdef HAVE_BSP

extern void initialize_mon(void);

extern target_register_t get_register(regnames_t reg);

extern void put_register (regnames_t which, target_register_t value);

#endif

/* Lame. */

#ifndef ITIMER_REAL

#define ITIMER_REAL 0

#endif

#endif /* ASM */

#endif