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/*===============================================================*\
| Project: RTEMS remote gdb over serial line |
+-----------------------------------------------------------------+
| File: serdbg.h |
+-----------------------------------------------------------------+
| Copyright (c) 2002 IMD |
| Ingenieurbuero fuer Microcomputertechnik Th. Doerfler |
| <Thomas.Doerfler@imd-systems.de> |
| all rights reserved |
+-----------------------------------------------------------------+
| this file declares intialization functions to add |
| a gdb remote debug stub to an RTEMS system |
| |
+-----------------------------------------------------------------+
| date history ID |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 04.04.02 creation doe |
\*===============================================================*/
/*
* $Id$
*/
#ifndef _SERDBG_H
#define _SERDBG_H
#include <rtems.h>
#include <termios.h>
typedef struct {
unsigned32 baudrate; /* debug baud rate, e.g. 57600 */
void (*callout)(void); /* callout pointer during polling */
int (*open_io)(const char *dev_name,unsigned32 baudrate); /* I/O open fnc */
const char *devname; /* debug device, e.g. "/dev/tty01" */
unsigned8 skip_init_bkpt; /* if TRUE, do not stop when initializing */
} serdbg_conf_t;
/*
* must be defined in init module...
*/
extern serdbg_conf_t serdbg_conf;
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
void putDebugChar
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| send character to remote debugger |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
char c /* char to send */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int getDebugChar
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| get character from remote debugger |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
void /* <none> */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
void serdbg_exceptionHandler
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| hook directly to an exception vector |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
int vecnum, /* vector index to hook at */
void *vector /* address of handler function */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int serdbg_init
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| initialize remote gdb session over serial line |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
void
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
/*
* stuff from serdbgio.c
*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int serdbg_open
/*-------------------------------------------------------------------------*\
| Purpose: |
| try to open given serial debug port |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
(
const char *dev_name, /* name of device to open */
unsigned32 baudrate /* baud rate to use */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| 0 on success, -1 and errno otherwise |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
void putDebugChar
/*-------------------------------------------------------------------------*\
| Purpose: |
| send one character to serial port |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
(
char c /* character to print */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int getDebugChar
/*-------------------------------------------------------------------------*\
| Purpose: |
| wait for one character from serial port |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
(
void /* none */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| received character |
\*=========================================================================*/
#endif /* _SERDBG_H */
|