/*$$HEADER*/
|
/*$$HEADER*/
|
/******************************************************************************/
|
/******************************************************************************/
|
/* */
|
/* */
|
/* H E A D E R I N F O R M A T I O N */
|
/* H E A D E R I N F O R M A T I O N */
|
/* */
|
/* */
|
/******************************************************************************/
|
/******************************************************************************/
|
|
|
// Project Name : OpenRISC Debug Proxy
|
// Project Name : OpenRISC Debug Proxy
|
// File Name : or_debug_proxy.c
|
// File Name : or_debug_proxy.c
|
// Prepared By : jb
|
// Prepared By : jb
|
// Project Start : 2008-10-01
|
// Project Start : 2008-10-01
|
|
|
/*$$COPYRIGHT NOTICE*/
|
/*$$COPYRIGHT NOTICE*/
|
/******************************************************************************/
|
/******************************************************************************/
|
/* */
|
/* */
|
/* C O P Y R I G H T N O T I C E */
|
/* C O P Y R I G H T N O T I C E */
|
/* */
|
/* */
|
/******************************************************************************/
|
/******************************************************************************/
|
/*
|
/*
|
This library is free software; you can redistribute it and/or
|
This library is free software; you can redistribute it and/or
|
modify it under the terms of the GNU Lesser General Public
|
modify it under the terms of the GNU Lesser General Public
|
License as published by the Free Software Foundation;
|
License as published by the Free Software Foundation;
|
version 2.1 of the License, a copy of which is available from
|
version 2.1 of the License, a copy of which is available from
|
http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt.
|
http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt.
|
|
|
This library is distributed in the hope that it will be useful,
|
This library is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
Lesser General Public License for more details.
|
Lesser General Public License for more details.
|
|
|
You should have received a copy of the GNU Lesser General Public
|
You should have received a copy of the GNU Lesser General Public
|
License along with this library; if not, write to the Free Software
|
License along with this library; if not, write to the Free Software
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
*/
|
*/
|
|
|
/*$$DESCRIPTION*/
|
/*$$DESCRIPTION*/
|
/******************************************************************************/
|
/******************************************************************************/
|
/* */
|
/* */
|
/* D E S C R I P T I O N */
|
/* D E S C R I P T I O N */
|
/* */
|
/* */
|
/******************************************************************************/
|
/******************************************************************************/
|
//
|
//
|
// The entry point for the OpenRISC debug proxy console application. Is
|
// The entry point for the OpenRISC debug proxy console application. Is
|
// compilable under both Linux/Unix systems and Cygwin Windows.
|
// compilable under both Linux/Unix systems and Cygwin Windows.
|
//
|
//
|
|
|
#include <assert.h>
|
#include <assert.h>
|
#include <stdio.h>
|
#include <stdio.h>
|
#include <ctype.h>
|
#include <ctype.h>
|
#include <string.h>
|
#include <string.h>
|
#include <stdlib.h>
|
#include <stdlib.h>
|
#include <unistd.h>
|
#include <unistd.h>
|
#include <stdarg.h>
|
#include <stdarg.h>
|
#include <sys/stat.h>
|
#include <sys/stat.h>
|
#include <sys/types.h>
|
#include <sys/types.h>
|
|
|
// Windows includes
|
// Windows includes
|
#ifdef CYGWIN_COMPILE
|
#ifdef CYGWIN_COMPILE
|
#include <windows.h>
|
#include <windows.h>
|
#include "win_FTCJTAG.h"
|
#include "win_FTCJTAG.h"
|
#include "win_FTCJTAG_ptrs.h"
|
#include "win_FTCJTAG_ptrs.h"
|
#else
|
#else
|
#include <signal.h>
|
#include <signal.h>
|
void catch_sigint(int sig_num); // First param must be "int"
|
void catch_sigint(int sig_num); // First param must be "int"
|
#endif
|
#endif
|
|
|
#include "gdb.h"
|
#include "gdb.h"
|
|
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
#include "usb_functions.h"
|
#include "usb_functions.h"
|
#endif
|
#endif
|
|
|
#include "or_debug_proxy.h"
|
#include "or_debug_proxy.h"
|
|
|
// Defines of endpoint numbers
|
// Defines of endpoint numbers
|
#define ENDPOINT_TARGET_NONE 0
|
#define ENDPOINT_TARGET_NONE 0
|
#define ENDPOINT_TARGET_USB 1
|
#define ENDPOINT_TARGET_USB 1
|
#define ENDPOINT_TARGET_OTHER 2
|
#define ENDPOINT_TARGET_OTHER 2
|
|
|
static int endpoint_target; // Value to hold targeted endpoint
|
static int endpoint_target; // Value to hold targeted endpoint
|
|
|
#define GDB_PROTOCOL_JTAG 1
|
#define GDB_PROTOCOL_JTAG 1
|
#define GDB_PROTOCOL_RSP 2
|
#define GDB_PROTOCOL_RSP 2
|
#define GDB_PROTOCOL_NONE 3
|
#define GDB_PROTOCOL_NONE 3
|
|
|
int err; // Global error value
|
int err; // Global error value
|
|
|
/* Currently selected scan chain - just to prevent unnecessary transfers. */
|
/* Currently selected scan chain - just to prevent unnecessary transfers. */
|
int current_chain = -1;
|
int current_chain = -1;
|
|
|
/* The chain that should be currently selected. */
|
/* The chain that should be currently selected. */
|
int dbg_chain = -1;
|
int dbg_chain = -1;
|
|
|
|
/* By default, provide access to CPU */
|
|
int no_cpu = 0;
|
|
|
int main(int argc, char *argv[])
|
int main(int argc, char *argv[])
|
{
|
{
|
|
|
char *s;
|
char *s;
|
int gdb_protocol = GDB_PROTOCOL_NONE;
|
int gdb_protocol = GDB_PROTOCOL_NONE;
|
endpoint_target = ENDPOINT_TARGET_NONE;
|
endpoint_target = ENDPOINT_TARGET_NONE;
|
int inp_arg = 1;
|
int inp_arg = 1;
|
|
|
|
|
// Check we were compiled with at least one endpoint enabled
|
// Check we were compiled with at least one endpoint enabled
|
#ifndef USB_ENDPOINT_ENABLED
|
#ifndef USB_ENDPOINT_ENABLED
|
printf
|
printf
|
("No endpoints enabled.\nRecompile the proxy with at least one endpoint enabled\n");
|
("No endpoints enabled.\nRecompile the proxy with at least one endpoint enabled\n");
|
exit(0);
|
exit(0);
|
#endif
|
#endif
|
|
|
// init our global error number
|
// init our global error number
|
err = DBG_ERR_OK;
|
err = DBG_ERR_OK;
|
|
|
// Parse input options
|
// Parse input options
|
if (argc < 3) {
|
if (argc < 3) {
|
print_usage();
|
print_usage();
|
exit(1);
|
exit(1);
|
}
|
}
|
|
|
err = DBG_ERR_OK;
|
err = DBG_ERR_OK;
|
srand(getpid());
|
srand(getpid());
|
|
|
// Parse through the input, check what we've been given
|
// Parse through the input, check what we've been given
|
|
|
while (argv[inp_arg] != NULL) {
|
while (argv[inp_arg] != NULL) {
|
if (strcmp(argv[inp_arg], "-r") == 0) {
|
if (strcmp(argv[inp_arg], "-r") == 0) {
|
gdb_protocol = GDB_PROTOCOL_RSP;
|
gdb_protocol = GDB_PROTOCOL_RSP;
|
endpoint_target = ENDPOINT_TARGET_USB;
|
endpoint_target = ENDPOINT_TARGET_USB;
|
} else if (strcmp(argv[inp_arg], "-o") == 0) {
|
} else if (strcmp(argv[inp_arg], "-o") == 0) {
|
gdb_protocol = GDB_PROTOCOL_RSP;
|
gdb_protocol = GDB_PROTOCOL_RSP;
|
endpoint_target = ENDPOINT_TARGET_OTHER;
|
endpoint_target = ENDPOINT_TARGET_OTHER;
|
} else if (strcmp(argv[inp_arg], "-k") == 0) {
|
} else if (strcmp(argv[inp_arg], "-k") == 0) {
|
kernel_debug = 1;
|
kernel_debug = 1;
|
|
} else if (strcmp(argv[inp_arg], "-b") == 0) {
|
|
no_cpu = 1;
|
} else {
|
} else {
|
serverPort = strtol(argv[2], &s, 10);
|
serverPort = strtol(argv[2], &s, 10);
|
}
|
}
|
|
|
inp_arg++;
|
inp_arg++;
|
}
|
}
|
|
|
if (endpoint_target == ENDPOINT_TARGET_NONE ||
|
if (endpoint_target == ENDPOINT_TARGET_NONE ||
|
gdb_protocol == GDB_PROTOCOL_NONE ||
|
gdb_protocol == GDB_PROTOCOL_NONE ||
|
serverPort > 65535 || *s != '\0') {
|
serverPort > 65535 || *s != '\0') {
|
print_usage();
|
print_usage();
|
exit(1);
|
exit(1);
|
}
|
}
|
#ifdef CYGWIN_COMPILE
|
#ifdef CYGWIN_COMPILE
|
// Load the FTCJTAG DLL function pointers
|
// Load the FTCJTAG DLL function pointers
|
if (getFTDIJTAGFunctions() < 0) {
|
if (getFTDIJTAGFunctions() < 0) {
|
exit(-1);
|
exit(-1);
|
}
|
}
|
#endif
|
#endif
|
|
|
#ifndef CYGWIN_COMPILE
|
#ifndef CYGWIN_COMPILE
|
// Install a signal handler to exit gracefully
|
// Install a signal handler to exit gracefully
|
// when we receive a sigint
|
// when we receive a sigint
|
signal(SIGINT, catch_sigint);
|
signal(SIGINT, catch_sigint);
|
#endif
|
#endif
|
|
|
/* Initialise connection to our OR1k system */
|
/* Initialise connection to our OR1k system */
|
current_chain = -1;
|
current_chain = -1;
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
/* USB Endpoint */
|
/* USB Endpoint */
|
if (endpoint_target == ENDPOINT_TARGET_USB) {
|
if (endpoint_target == ENDPOINT_TARGET_USB) {
|
printf("\nConnecting to OR1k via USB debug cable\n\n");
|
printf("\nConnecting to OR1k via USB debug cable\n\n");
|
if ((err = usb_dbg_reset()))
|
if ((err = usb_dbg_reset()))
|
goto JtagIfError;
|
goto JtagIfError;
|
|
if (!no_cpu)
|
dbg_test(); // Perform some tests
|
dbg_test(); // Perform some tests
|
}
|
}
|
#endif
|
#endif
|
|
|
/* We have a connection to the target system. Now establish server
|
/* We have a connection to the target system. Now establish server
|
connection. */
|
connection. */
|
if (gdb_protocol == GDB_PROTOCOL_RSP) { // Connect to RSP server
|
if (gdb_protocol == GDB_PROTOCOL_RSP) { // Connect to RSP server
|
/* RSP always starts stalled as though we have just reset the
|
/* RSP always starts stalled as though we have just reset the
|
processor. */
|
processor. */
|
// rsp_exception (EXCEPT_TRAP);
|
// rsp_exception (EXCEPT_TRAP);
|
handle_rsp();
|
handle_rsp();
|
} else {
|
} else {
|
fprintf(stderr, "Cannot start RSP Proxy server on port %d\n",
|
fprintf(stderr, "Cannot start RSP Proxy server on port %d\n",
|
serverPort);
|
serverPort);
|
exit(-1);
|
exit(-1);
|
}
|
}
|
|
|
JtagIfError:
|
JtagIfError:
|
fprintf(stderr,
|
fprintf(stderr,
|
"Connection via USB debug cable failed (err = %d).\nPlease ensure the device is attached and correctly installed\n\n",
|
"Connection via USB debug cable failed (err = %d).\nPlease ensure the device is attached and correctly installed\n\n",
|
err);
|
err);
|
exit(-1);
|
exit(-1);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int dbg_reset()
|
int dbg_reset()
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_reset();
|
return usb_dbg_reset();
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
void dbg_test()
|
void dbg_test()
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
usb_dbg_test();
|
usb_dbg_test();
|
#endif
|
#endif
|
}
|
}
|
|
|
/* Set TAP instruction register */
|
/* Set TAP instruction register */
|
int dbg_set_tap_ir(uint32_t ir)
|
int dbg_set_tap_ir(uint32_t ir)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
usb_set_tap_ir(ir);
|
usb_set_tap_ir(ir);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* Sets scan chain. */
|
/* Sets scan chain. */
|
int dbg_set_chain(uint32_t chain)
|
int dbg_set_chain(uint32_t chain)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_set_chain(chain);
|
return usb_dbg_set_chain(chain);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* sends out a command with 32bit address and 16bit length, if len >= 0 */
|
/* sends out a command with 32bit address and 16bit length, if len >= 0 */
|
int dbg_command(uint32_t type, uint32_t adr, uint32_t len)
|
int dbg_command(uint32_t type, uint32_t adr, uint32_t len)
|
{
|
{
|
// This is never called by any of the VPI functions, so only USB
|
// This is never called by any of the VPI functions, so only USB
|
// endpoint
|
// endpoint
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_command(type, adr, len);
|
return usb_dbg_command(type, adr, len);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* writes a ctrl reg */
|
/* writes a ctrl reg */
|
int dbg_ctrl(uint32_t reset, uint32_t stall)
|
int dbg_ctrl(uint32_t reset, uint32_t stall)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_ctrl(reset, stall);
|
return usb_dbg_ctrl(reset, stall);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* reads control register */
|
/* reads control register */
|
int dbg_ctrl_read(uint32_t * reset, uint32_t * stall)
|
int dbg_ctrl_read(uint32_t * reset, uint32_t * stall)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_ctrl_read(reset, stall);
|
return usb_dbg_ctrl_read(reset, stall);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* issues a burst read/write */
|
/* issues a burst read/write */
|
int dbg_go(unsigned char *data, uint16_t len, uint32_t read)
|
int dbg_go(unsigned char *data, uint16_t len, uint32_t read)
|
{
|
{
|
// Only USB endpouint32_t option here
|
// Only USB endpouint32_t option here
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_go(data, len, read);
|
return usb_dbg_go(data, len, read);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* read a byte from wishbone */
|
/* read a byte from wishbone */
|
int dbg_wb_read8(uint32_t adr, uint8_t * data)
|
int dbg_wb_read8(uint32_t adr, uint8_t * data)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_wb_read8(adr, data);
|
return usb_dbg_wb_read8(adr, data);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* read a word from wishbone */
|
/* read a word from wishbone */
|
int dbg_wb_read32(uint32_t adr, uint32_t * data)
|
int dbg_wb_read32(uint32_t adr, uint32_t * data)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_wb_read32(adr, data);
|
return usb_dbg_wb_read32(adr, data);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* write a word to wishbone */
|
/* write a word to wishbone */
|
int dbg_wb_write8(uint32_t adr, uint8_t data)
|
int dbg_wb_write8(uint32_t adr, uint8_t data)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_wb_write8(adr, data);
|
return usb_dbg_wb_write8(adr, data);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* write a word to wishbone */
|
/* write a word to wishbone */
|
int dbg_wb_write32(uint32_t adr, uint32_t data)
|
int dbg_wb_write32(uint32_t adr, uint32_t data)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_wb_write32(adr, data);
|
return usb_dbg_wb_write32(adr, data);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* read a block from wishbone */
|
/* read a block from wishbone */
|
int dbg_wb_read_block32(uint32_t adr, uint32_t * data, uint32_t len)
|
int dbg_wb_read_block32(uint32_t adr, uint32_t * data, uint32_t len)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_wb_read_block32(adr, data, len);
|
return usb_dbg_wb_read_block32(adr, data, len);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* write a block to wishbone */
|
/* write a block to wishbone */
|
int dbg_wb_write_block32(uint32_t adr, uint32_t * data, uint32_t len)
|
int dbg_wb_write_block32(uint32_t adr, uint32_t * data, uint32_t len)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_wb_write_block32(adr, data, len);
|
return usb_dbg_wb_write_block32(adr, data, len);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* read a register from cpu */
|
/* read a register from cpu */
|
int dbg_cpu0_read(uint32_t adr, uint32_t * data, uint32_t length)
|
int dbg_cpu0_read(uint32_t adr, uint32_t * data, uint32_t length)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_cpu0_read(adr, data, length);
|
return usb_dbg_cpu0_read(adr, data, length);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* write a cpu register */
|
/* write a cpu register */
|
int dbg_cpu0_write(uint32_t adr, uint32_t * data, uint32_t length)
|
int dbg_cpu0_write(uint32_t adr, uint32_t * data, uint32_t length)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_cpu0_write(adr, data, length);
|
return usb_dbg_cpu0_write(adr, data, length);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* write a cpu module register */
|
/* write a cpu module register */
|
int dbg_cpu0_write_ctrl(uint32_t adr, unsigned char data)
|
int dbg_cpu0_write_ctrl(uint32_t adr, unsigned char data)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_cpu0_write_ctrl(adr, data);
|
return usb_dbg_cpu0_write_ctrl(adr, data);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
/* read a register from cpu module */
|
/* read a register from cpu module */
|
int dbg_cpu0_read_ctrl(uint32_t adr, unsigned char *data)
|
int dbg_cpu0_read_ctrl(uint32_t adr, unsigned char *data)
|
{
|
{
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
if (endpoint_target == ENDPOINT_TARGET_USB)
|
return usb_dbg_cpu0_read_ctrl(adr, data);
|
return usb_dbg_cpu0_read_ctrl(adr, data);
|
#endif
|
#endif
|
return DBG_ERR_INVALID_ENDPOINT;
|
return DBG_ERR_INVALID_ENDPOINT;
|
}
|
}
|
|
|
void test_sdram(void)
|
void test_sdram(void)
|
{
|
{
|
return;
|
return;
|
}
|
}
|
|
|
// Close down gracefully when we receive any kill signals
|
// Close down gracefully when we receive any kill signals
|
void catch_sigint(int sig_num)
|
void catch_sigint(int sig_num)
|
{
|
{
|
// Close down any potentially open sockets and USB handles
|
// Close down any potentially open sockets and USB handles
|
if (server_fd)
|
if (server_fd)
|
close(server_fd);
|
close(server_fd);
|
gdb_close();
|
gdb_close();
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
usb_close_device_handle();
|
usb_close_device_handle();
|
#endif
|
#endif
|
printf
|
printf
|
("\nInterrupt signal received. Closing down connections and exiting\n\n");
|
("\nInterrupt signal received. Closing down connections and exiting\n\n");
|
exit(0);
|
exit(0);
|
}
|
}
|
|
|
void print_usage()
|
void print_usage()
|
{
|
{
|
printf("\n");
|
printf("\n");
|
printf("Usage: or_debug_proxy <SERVERTYPE> <PORT> <OPTIONS>\n");
|
printf("Usage: or_debug_proxy <SERVERTYPE> <PORT> <OPTIONS>\n");
|
printf("OpenRISC GDB Proxy Server\n");
|
printf("OpenRISC GDB Proxy Server\n");
|
printf("\n");
|
printf("\n");
|
printf("\tServer Type:\n");
|
printf("\tServer Type:\n");
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
printf
|
printf
|
("\t-r\tStart a server using RSP, connection to hadware target via\n\t\tUSB\n");
|
("\t-r\tStart a server using RSP, connection to hadware target via\n\t\tUSB\n");
|
printf
|
printf
|
("\t-j\tStart a server using legacy OR remote JTAG protocol, to\n\t\thardware target via USB (DEPRECATED)\n");
|
("\t-j\tStart a server using legacy OR remote JTAG protocol, to\n\t\thardware target via USB (DEPRECATED)\n");
|
printf("\n");
|
printf("\n");
|
#endif
|
#endif
|
printf("\tPort:\n");
|
printf("\tPort:\n");
|
printf("\t\tAny free port within the usable range of 0 - 65535\n");
|
printf("\t\tAny free port within the usable range of 0 - 65535\n");
|
printf("\n");
|
printf("\n");
|
printf("\tOptions:\n");
|
printf("\tOptions:\n");
|
printf
|
printf
|
("\t-k\tAccesses to 0xC0000000 map to 0x0. Useful for kernel debugging.\n");
|
("\t-k\tAccesses to 0xC0000000 map to 0x0. Useful for kernel debugging.\n");
|
|
printf
|
|
("\t-b\tBus access only - do not attempt to talk to the CPU\n");
|
printf("\n");
|
printf("\n");
|
printf("\tExample:\n");
|
printf("\tExample:\n");
|
#ifdef USB_ENDPOINT_ENABLED
|
#ifdef USB_ENDPOINT_ENABLED
|
printf
|
printf
|
("\t\tStart a GDB server on port 50001, using RSP, connecting to\n\t\thardware target via USB:\n\n");
|
("\t\tStart a GDB server on port 50001, using RSP, connecting to\n\t\thardware target via USB:\n\n");
|
printf("\t\t./or_debug_proxy -r 50001\n");
|
printf("\t\t./or_debug_proxy -r 50001\n");
|
printf("\n");
|
printf("\n");
|
#endif
|
#endif
|
fflush(stdout);
|
fflush(stdout);
|
}
|
}
|
|
|
