OVMS3-idf/components/esp32/include/xtensa/xmon.h
2016-08-17 23:08:22 +08:00

97 lines
3 KiB
C
Executable file

/* xmon.h - XMON definitions
*
* $Id: //depot/rel/Eaglenest/Xtensa/OS/xmon/xmon.h#3 $
*
* Copyright (c) 2001-2013 Tensilica Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __H_XMON
#define __H_XMON
/* Default GDB packet size */
#define GDB_PKT_SIZE 4096
/*XMON signals */
#define XMON_SIGINT 2 /*target was interrupted */
#define XMON_SIGILL 4 /*illegal instruction */
#define XMON_SIGTRAP 5 /*general exception */
#define XMON_SIGSEGV 11 /*page faults */
/* Type of log message from XMON to the application */
typedef enum {
XMON_LOG,
XMON_TRACE,
XMON_ERR,
XMON_APP,
XMON_GDB
} xmon_log_t;
/* Return value type for xmon_proc() (see below) */
typedef enum {
XMON_GDB_PEND,
XMON_GDB_PKT,
XMON_NOT_GDB
} xmon_gdb_pkt_t;
#ifdef _cplusplus
extern "C" {
#endif
/*
* THE FOLLOWING ROUTINES ARE USED BY USER
*/
extern int _xmon_init(char* gdbBuf, int gdbPktSize,
void(*xlog)(xmon_log_t type, const char* str));
//Initialize GDB communication and logging to the main app.
//For the logging to work, xlog function needs to be provided.
//gdbBuf - pointer to a buffer XMON can use to comm. with GDB
//gdbPktSize - Size of the allocated buffer for GDB communication.
//xlog - logger handle.
extern void _xmon_close(void);
//Main application can detach from xmon at any time
extern xmon_gdb_pkt_t _xmon_proc(char);
// Give character to XMON to check if GDB message
// Application is supposed to accumulate all the
// character in case the recognition fails and chars
// have to be sent to the original handler
// Return: XMON_GDB_PEND - send me more chars
// XMON_GDB_PKT - GDB message confirmed, C) not
// XMON_NOT_GDB - not GDB message
/*
* THE FOLLOWING ROUTINES NEED TO BE PROVIDED BY USER
*/
extern int _xmon_in(); // wait for character from GDB
extern void _xmon_out(char); // output a character to GDB
extern int _xmon_flush(void); // flush output characters
#ifdef _cplusplus
}
#endif
#endif