// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// SystemC OpenRISC 1200 Monitor: implementation
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// SystemC OpenRISC 1200 Monitor: implementation
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// Copyright (C) 2008 Embecosm Limited <info@embecosm.com>
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// Copyright (C) 2008 Embecosm Limited <info@embecosm.com>
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// Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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// Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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// Contributor Julius Baxter <jb@orsoc.se>
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// Contributor Julius Baxter <jb@orsoc.se>
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// This file is part of the cycle accurate model of the OpenRISC 1000 based
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// This file is part of the cycle accurate model of the OpenRISC 1000 based
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// system-on-chip, ORPSoC, built using Verilator.
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// system-on-chip, ORPSoC, built using Verilator.
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// This program is free software: you can redistribute it and/or modify it
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published by
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// under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or (at your
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// the Free Software Foundation, either version 3 of the License, or (at your
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// option) any later version.
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// option) any later version.
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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// License for more details.
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// License for more details.
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// You should have received a copy of the GNU Lesser General Public License
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// $Id$
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// $Id$
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#include <iostream>
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#include <iostream>
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#include <iomanip>
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#include <iomanip>
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#include <fstream>
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#include <fstream>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <netinet/in.h>
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using namespace std;
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using namespace std;
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#include "Or1200MonitorSC.h"
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#include "Or1200MonitorSC.h"
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#include "OrpsocMain.h"
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#include "OrpsocMain.h"
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#include <errno.h>
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int monitor_to_gdb_pipe[2][2]; // [0][] - monitor to gdb, [1][] - gdb to monitor, [][0] - read, [][1] - write
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SC_HAS_PROCESS( Or1200MonitorSC );
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SC_HAS_PROCESS( Or1200MonitorSC );
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//! Constructor for the OpenRISC 1200 monitor
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//! Constructor for the OpenRISC 1200 monitor
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//! @param[in] name Name of this module, passed to the parent constructor.
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//! @param[in] name Name of this module, passed to the parent constructor.
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//! @param[in] accessor Accessor class for this Verilated ORPSoC model
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//! @param[in] accessor Accessor class for this Verilated ORPSoC model
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Or1200MonitorSC::Or1200MonitorSC (sc_core::sc_module_name name,
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Or1200MonitorSC::Or1200MonitorSC (sc_core::sc_module_name name,
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OrpsocAccess *_accessor,
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OrpsocAccess *_accessor,
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MemoryLoad *_memoryload,
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MemoryLoad *_memoryload,
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int argc,
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int argc,
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char *argv[]) :
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char *argv[]) :
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sc_module (name),
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sc_module (name),
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accessor (_accessor),
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accessor (_accessor),
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memoryload(_memoryload)
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memoryload(_memoryload)
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{
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{
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string logfileDefault(DEFAULT_EXEC_LOG_FILE);
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// If not -log option, then don't log
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string logfileDefault("vlt-executed.log");
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string logfileNameString;
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string logfileNameString;
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profiling_enabled = 0;
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logging_enabled = false;
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logfile_name_provided = false;
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profiling_enabled = false;
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string profileFileName(DEFAULT_PROF_FILE);
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string profileFileName(DEFAULT_PROF_FILE);
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memdumpFileName = (DEFAULT_MEMDUMP_FILE);
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memdumpFileName = (DEFAULT_MEMDUMP_FILE);
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int memdump_start = 0; int memdump_end = 0;
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int memdump_start = 0; int memdump_end = 0;
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do_memdump = 0; // Default is not to do a dump of RAM at finish
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do_memdump = false; // Default is not to do a dump of RAM at finish
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logging_regs = true; // Execution log includes register values by default
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insn_count=0;
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bool rsp_server_enabled = false;
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cycle_count=0;
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wait_for_stall_cmd_response = false; // Default
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insn_count = insn_count_rst = 0;
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exit_perf_summary_enabled = 1; // Simulation exit performance summary is
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cycle_count = cycle_count_rst = 0;
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// on by default. Turn off with "-q" on the cmd line
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exit_perf_summary_enabled = true; // Simulation exit performance summary is
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// on by default. Turn off with "-q" on the
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// cmd line
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monitor_for_crash = false;
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lookslikewevecrashed_count = crash_monitor_buffer_head = 0;
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bus_trans_log_enabled = bus_trans_log_name_provided =
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bus_trans_log_start_delay_enable = false; // Default
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string bus_trans_default_log_name(DEFAULT_BUS_LOG_FILE);
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string bus_trans_log_file;
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// Parse the command line options
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// Parse the command line options
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int cmdline_name_found=0;
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bool cmdline_name_found = false;
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if (argc > 1)
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if (argc > 1)
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{
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{
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// Search through the command line parameters for the "-log" option
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// Search through the command line parameters for the "-log" option
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for(int i=1; i < argc; i++)
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for(int i=1; i < argc; i++)
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{
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{
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if ((strcmp(argv[i], "-l")==0) ||
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if ((strcmp(argv[i], "-l")==0) ||
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(strcmp(argv[i], "--log")==0))
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(strcmp(argv[i], "--log")==0))
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{
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{
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logging_enabled = true;
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binary_log_format = false;
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if (i+1 < argc)
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if(argv[i+1][0] != '-')
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{
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logfileNameString = (argv[i+1]);
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logfileNameString = (argv[i+1]);
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cmdline_name_found=1;
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logfile_name_provided = true;
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}
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if (!logfile_name_provided)
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logfileNameString = logfileDefault;
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}
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else if ((strcmp(argv[i], "--log-noregs")==0))
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{
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logging_regs = false;
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}
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else if ((strcmp(argv[i], "-b")==0) ||
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(strcmp(argv[i], "--binlog")==0))
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{
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logging_enabled = true;
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binary_log_format = true;
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if (i+1 < argc)
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if(argv[i+1][0] != '-')
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{
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logfileNameString = (argv[i+1]);
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logfile_name_provided = true;
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}
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if (!logfile_name_provided)
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logfileNameString = logfileDefault;
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}
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else if ((strcmp(argv[i], "-c")==0) ||
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(strcmp(argv[i], "--crash-monitor")==0))
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{
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monitor_for_crash = true;
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}
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}
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else if ((strcmp(argv[i], "-q")==0) ||
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else if ((strcmp(argv[i], "-q")==0) ||
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(strcmp(argv[i], "--quiet")==0))
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(strcmp(argv[i], "--quiet")==0))
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{
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{
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exit_perf_summary_enabled = 0;
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exit_perf_summary_enabled = false;
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}
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}
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else if ((strcmp(argv[i], "-p")==0) ||
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else if ((strcmp(argv[i], "-p")==0) ||
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(strcmp(argv[i], "--profile")==0))
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(strcmp(argv[i], "--profile")==0))
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{
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{
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profiling_enabled = 1;
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profiling_enabled = true;
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// Check for !end of command line and that next thing is not a command
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// Check for !end of command line and that next thing is not a
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// command
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if ((i+1 < argc)){
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if ((i+1 < argc)){
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if(argv[i+1][0] != '-')
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if(argv[i+1][0] != '-')
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profileFileName = (argv[i+1]);
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profileFileName = (argv[i+1]);
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}
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}
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}
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}
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else if ( (strcmp(argv[i], "-r")==0) ||
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(strcmp(argv[i], "--rsp")==0) )
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{
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// We need to detect this here too
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rsp_server_enabled = true;
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}
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else if ((strcmp(argv[i], "-m")==0) ||
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else if ((strcmp(argv[i], "-m")==0) ||
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(strcmp(argv[i], "--memdump")==0))
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(strcmp(argv[i], "--memdump")==0))
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{
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{
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do_memdump = 1;
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do_memdump = true;
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// Check for !end of command line and that next thing is not a command
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// Check for !end of command line and that next thing is not a
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// or a memory address
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// command or a memory address
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if (i+1 < argc)
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if (i+1 < argc)
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{
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{
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if((argv[i+1][0] != '-') && (strncmp("0x", argv[i+1],2) != 0))
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if((argv[i+1][0] != '-') && (strncmp("0x", argv[i+1],2) != 0))
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{
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{
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// Hopefully this is the filename we want to use.
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// Hopefully this is the filename we want to use.
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// All addresses should have preceeding hex identifier 0x
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// All addresses should have preceeding hex identifier 0x
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memdumpFileName = argv[i+1];
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memdumpFileName = argv[i+1];
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// We've used this next index, can safely increment i
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// We've used this next index, can safely increment i
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i++;
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i++;
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}
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}
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}
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}
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if (i+1 < argc)
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if (i+1 < argc)
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{
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{
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if((argv[i+1][0] != '-') && (strncmp("0x", argv[i+1],2) == 0))
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if((argv[i+1][0] != '-') && (strncmp("0x", argv[i+1],2) == 0))
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{
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{
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// Hopefully this is is the start address
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// Hopefully this is is the start address
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// All addresses should have preceeding hex identifier 0x
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// All addresses should have preceeding hex identifier 0x
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sscanf( argv[i+1], "0x%x", &memdump_start);
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sscanf( argv[i+1], "0x%x", &memdump_start);
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i++;
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i++;
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}
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}
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}
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}
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if (i+1 < argc)
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if (i+1 < argc)
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{
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{
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if((argv[i+1][0] != '-') && (strncmp("0x", argv[i+1],2) == 0))
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if((argv[i+1][0] != '-') && (strncmp("0x", argv[i+1],2) == 0))
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{
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{
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// Hopefully this is is the end address
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// Hopefully this is is the end address
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// All addresses should have preceeding hex identifier 0x
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// All addresses should have preceeding hex identifier 0x
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sscanf( argv[i+1], "0x%x", &memdump_end);
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sscanf( argv[i+1], "0x%x", &memdump_end);
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i++;
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i++;
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}
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}
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}
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}
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}
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}
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else if ((strcmp(argv[i], "-u")==0) ||
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(strcmp(argv[i], "--bus-log")==0))
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{
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bus_trans_log_enabled = true;
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if (i+1 < argc)
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if(argv[i+1][0] != '-')
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{
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bus_trans_log_file = (argv[i+1]);
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bus_trans_log_name_provided = true;
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}
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if (!bus_trans_log_name_provided)
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bus_trans_log_file = bus_trans_default_log_name;
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// check for a log start delay
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if (i+2 < argc)
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if(argv[i+2][0] != '-')
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{
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// We have a bus transaction log start delay
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bus_trans_log_start_delay_enable = true;
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int time_val = atoi(argv[i+2]);
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sc_time log_start_time(time_val,SC_NS);
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bus_trans_log_start_delay = log_start_time;
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}
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}
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}
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}
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}
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}
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if (!rsp_server_enabled)
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{
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monitor_to_gdb_pipe[0][0] = monitor_to_gdb_pipe[0][1] = NULL;
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monitor_to_gdb_pipe[1][0] = monitor_to_gdb_pipe[1][1] = NULL;
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}
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// checkInstruction monitors the bus for special NOP instructionsl
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// checkInstruction monitors the bus for special NOP instructionsl
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SC_METHOD (checkInstruction);
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SC_METHOD (checkInstruction);
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sensitive << clk.pos();
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sensitive << clk.pos();
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dont_initialize();
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dont_initialize();
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if (profiling_enabled)
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if (profiling_enabled)
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{
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{
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profileFile.open(profileFileName.c_str(), ios::out); // Open profiling log file
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profileFile.open(profileFileName.c_str(), ios::out); // Open profiling log file
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if(profileFile.is_open())
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if(profileFile.is_open())
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{
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{
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// If the file was opened OK, then enabled logging and print a message.
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// If the file was opened OK, then enabled logging and print a message.
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profiling_enabled = 1;
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profiling_enabled = true;
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cout << "* Execution profiling enabled. Logging to " << profileFileName << endl;
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cout << "* Execution profiling enabled. Logging to " << profileFileName << endl;
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}
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}
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// Setup profiling function
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// Setup profiling function
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SC_METHOD (callLog);
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SC_METHOD (callLog);
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sensitive << clk.pos();
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sensitive << clk.pos();
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dont_initialize();
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dont_initialize();
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start = clock();
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start = clock();
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}
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}
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if(logging_enabled)
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if(cmdline_name_found==1) // No -log option specified so don't turn on logging
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{
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{
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logging_enabled = 0; // Default is logging disabled
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/* Now open the file */
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statusFile.open(logfileNameString.c_str(), ios::out ); // open file to write to it
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if (binary_log_format)
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statusFile.open(logfileNameString.c_str(), ios::out | ios::binary);
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else
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statusFile.open(logfileNameString.c_str(), ios::out );
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if(statusFile.is_open())
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/* Check the open() */
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if(statusFile.is_open() && binary_log_format)
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{
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{
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// If we could open the file then turn on logging
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cout << "* Processor execution logged in binary format to file: " << logfileNameString << endl;
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logging_enabled = 1;
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/* Write out a byte indicating whether there's register values too */
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cout << "* Processor execution logged to file: " << logfileNameString << endl;
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statusFile.write((char*)&logging_regs, 1);
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}
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}
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else if (statusFile.is_open() && !binary_log_format)
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cout << "* Processor execution logged to file: " << logfileNameString << endl;
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else
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/* Couldn't open */
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logging_enabled = false;
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}
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}
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if (logging_enabled)
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if (logging_enabled)
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{
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{
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if (binary_log_format)
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{
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SC_METHOD (displayStateBinary);
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}
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else
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{
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SC_METHOD (displayState);
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SC_METHOD (displayState);
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}
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sensitive << clk.pos();
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sensitive << clk.pos();
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dont_initialize();
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dont_initialize();
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start = clock();
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start = clock();
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}
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if (monitor_for_crash)
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{
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cout << "* Crash monitor enabled" << endl;
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}
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}
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// Check sizes we were given from memory dump command line options first
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// Check sizes we were given from memory dump command line options first
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if (do_memdump)
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if (do_memdump)
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{
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{
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if ((memdump_start > ORPSOC_SRAM_SIZE) || (memdump_end > ORPSOC_SRAM_SIZE) ||
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if ((memdump_start > ORPSOC_SRAM_SIZE) || (memdump_end > ORPSOC_SRAM_SIZE) ||
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((memdump_start > memdump_end) && (memdump_end != 0)))
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((memdump_start > memdump_end) && (memdump_end != 0)))
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{
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{
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do_memdump = 0;
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do_memdump = false;
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cout << "* Memory dump addresses range incorrect. Limit of memory is 0x" << hex << ORPSOC_SRAM_SIZE << ". Memory dumping disabled." << endl;
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cout << "* Memory dump addresses range incorrect. Limit of memory is 0x" << hex << ORPSOC_SRAM_SIZE << ". Memory dumping disabled." << endl;
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}
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}
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}
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}
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if (do_memdump)
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if (do_memdump)
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{
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{
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// Were we given dump addresses? If not, we dump all of the memory
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// Were we given dump addresses? If not, we dump all of the memory
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// Size of memory isn't clearly defined in any one place. This could lead to
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// Size of memory isn't clearly defined in any one place. This could lead to
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// big problems when changing size of the RAM in simulation.
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// big problems when changing size of the RAM in simulation.
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if (memdump_start == 0 && memdump_end == 0)
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if (memdump_start == 0 && memdump_end == 0)
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memdump_end = ORPSOC_SRAM_SIZE;
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memdump_end = ORPSOC_SRAM_SIZE;
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if (memdump_start != 0 && memdump_end == 0)
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if (memdump_start != 0 && memdump_end == 0)
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{
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{
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// Probably just got the single memorydump param
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// Probably just got the single memorydump param
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// Interpet as a length from 0
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// Interpet as a length from 0
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memdump_end = memdump_start;
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memdump_end = memdump_start;
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memdump_start = 0;
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memdump_start = 0;
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}
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}
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if (memdump_start & 0x3) memdump_start &= ~0x3; // word-align the start address
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if (memdump_start & 0x3) memdump_start &= ~0x3; // word-align the start address
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if (memdump_end & 0x3) memdump_end = (memdump_end+4) & ~0x3; // word-align the start address
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if (memdump_end & 0x3) memdump_end = (memdump_end+4) & ~0x3; // word-align the start address
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memdump_start_addr = memdump_start;
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memdump_start_addr = memdump_start;
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memdump_end_addr = memdump_end;
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memdump_end_addr = memdump_end;
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}
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}
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} // Or1200MonitorSC ()
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if (bus_trans_log_enabled)
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{
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// Setup log file and register the bus monitoring function
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busTransLog.open(bus_trans_log_file.c_str(), ios::out );
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//! Print command line switches for the options of this module
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if (busTransLog.is_open())
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void
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Or1200MonitorSC::printSwitches()
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{
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{
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printf(" [-l <file>] [-q] [-p [<file>]] [-m [<file>] [<0xstardaddr> <0xendaddr>]]");
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cout << "* System bus transactions logged to file: " <<
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bus_trans_log_file;
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if (bus_trans_log_start_delay_enable)
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cout << ", on at " << bus_trans_log_start_delay.to_string();
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cout << endl;
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}
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else
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/* Couldn't open */
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bus_trans_log_enabled = false;
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}
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}
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if (bus_trans_log_enabled)
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{
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// Setup profiling function
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SC_METHOD (busMonitor);
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sensitive << clk.pos();
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dont_initialize();
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}
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} // Or1200MonitorSC ()
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//! Print usage for the options of this module
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//! Print usage for the options of this module
|
void
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void
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Or1200MonitorSC::printUsage()
|
Or1200MonitorSC::printUsage()
|
{
|
{
|
printf(" -p, --profile\t\tEnable execution profiling output to file (default "DEFAULT_PROF_FILE")\n");
|
printf("\nLogging and diagnostic options:\n");
|
printf(" -l, --log\t\tLog processor execution to file\n");
|
printf(" -p, --profile [<file>]Enable execution profiling output to <file> (default is\n\t\t\t"DEFAULT_PROF_FILE")\n");
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printf(" -l, --log <file>\tLog processor execution to <file>\n");
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printf(" --log-noregs\tLog excludes register contents\n");
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printf(" -b, --binlog <file>\tGenerate binary format execution log (faster, smaller)\n");
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|
|
printf(" -q, --quiet\t\tDisable the performance summary at end of simulation\n");
|
printf(" -q, --quiet\t\tDisable the performance summary at end of simulation\n");
|
printf(" -m, --memdump\t\tDump data from the system's RAM to a file on finish\n\n");
|
printf(" -m, --memdump <file> <0xstartaddr> <0xendaddr>\n\t\t\tDump data between <0xstartaddr> and <0xendaddr> from\n\t\t\tthe system's RAM to <file> in binary format on exit\n");
|
|
printf(" -c, --crash-monitor\tDetect when the processor has crashed and exit\n");
|
|
printf(" -u, --bus-log <file> <val>\n\t\t\tLog the wishbone bus transactions to <file>, opt. start\n\t\t\tafter <val> ns\n\n");
|
|
|
}
|
}
|
|
|
//! Method to handle special instrutions
|
//! Method to handle special instrutions
|
|
|
//! These are l.nop instructions with constant values. At present the
|
//! These are l.nop instructions with constant values. At present the
|
//! following are implemented:
|
//! following are implemented:
|
|
|
//! - l.nop 1 Terminate the program
|
//! - l.nop 1 Terminate the program
|
//! - l.nop 2 Report the value in R3
|
//! - l.nop 2 Report the value in R3
|
//! - l.nop 3 Printf the string with the arguments in R3, etc
|
//! - l.nop 3 Printf the string with the arguments in R3, etc
|
//! - l.nop 4 Print a character
|
//! - l.nop 4 Print a character
|
|
|
//#define OR1200_OR32_NOP_BITS_31_TO_26 6'b000101
|
//#define OR1200_OR32_NOP_BITS_31_TO_26 6'b000101
|
#define OR1200_OR32_NOP 0x14000000
|
#define OR1200_OR32_NOP 0x14000000
|
|
|
extern int SIM_RUNNING;
|
extern int SIM_RUNNING;
|
void
|
void
|
Or1200MonitorSC::checkInstruction()
|
Or1200MonitorSC::checkInstruction()
|
{
|
{
|
uint32_t r3;
|
uint32_t r3;
|
double ts;
|
double ts;
|
|
uint32_t current_WbInsn, current_WbPC;
|
|
|
cycle_count++;
|
cycle_count++;
|
|
|
/* Check if this counts as an "executed" instruction */
|
/* Check if this counts as an "executed" instruction */
|
if (!accessor->getWbFreeze())
|
if (!accessor->getWbFreeze())
|
if ((((accessor->getWbInsn() & 0xfc000000) != (uint32_t) OR1200_OR32_NOP) || !(accessor->getWbInsn() & (1<<16))) && !(accessor->getExceptFlushpipe() && accessor->getExDslot()))
|
{
|
|
// Cache writeback stage instruction
|
|
current_WbInsn = accessor->getWbInsn();
|
|
|
|
if ((((current_WbInsn & 0xfc000000) != (uint32_t) OR1200_OR32_NOP) || !(current_WbInsn & (1<<16))) && !(accessor->getExceptFlushpipe() && accessor->getExDslot()))
|
insn_count++;
|
insn_count++;
|
else
|
else
|
// Exception version
|
// Exception version
|
if (accessor->getExceptFlushpipe())
|
if (accessor->getExceptFlushpipe())
|
insn_count++;
|
insn_count++;
|
|
}
|
|
|
// Check the instruction when the freeze signal is low.
|
// Check the instruction when the freeze signal is low.
|
//if (!accessor->getWbFreeze())
|
|
if ((!accessor->getWbFreeze()) && (accessor->getExceptType() == 0))
|
if ((!accessor->getWbFreeze()) && (accessor->getExceptType() == 0))
|
{
|
{
|
// Do something if we have l.nop
|
// Do something if we have l.nop
|
switch (accessor->getWbInsn())
|
switch (current_WbInsn)
|
{
|
{
|
case NOP_EXIT:
|
case NOP_EXIT:
|
r3 = accessor->getGpr (3);
|
r3 = accessor->getGpr (3);
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
std::cout << std::fixed << std::setprecision (2) << ts;
|
std::cout << std::fixed << std::setprecision (2) << ts;
|
std::cout << " ns: Exiting (" << r3 << ")" << std::endl;
|
std::cout << " ns: Exiting (" << r3 << ")" << std::endl;
|
perfSummary();
|
perfSummary();
|
if (logging_enabled) statusFile.close();
|
if (logging_enabled) statusFile.close();
|
if (profiling_enabled) profileFile.close();
|
if (profiling_enabled) profileFile.close();
|
|
if (bus_trans_log_enabled) busTransLog.close();
|
memdump();
|
memdump();
|
SIM_RUNNING=0;
|
SIM_RUNNING=0;
|
sc_stop();
|
sc_stop();
|
break;
|
break;
|
|
|
case NOP_REPORT:
|
case NOP_REPORT:
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
r3 = accessor->getGpr (3);
|
r3 = accessor->getGpr (3);
|
std::cout << std::fixed << std::setprecision (2) << ts;
|
std::cout << std::fixed << std::setprecision (2) << ts;
|
std::cout << " ns: report (" << hex << r3 << ")" << std::endl;
|
std::cout << " ns: report (" << hex << r3 << ")" << std::endl;
|
break;
|
break;
|
|
|
case NOP_PRINTF:
|
case NOP_PRINTF:
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
std::cout << std::fixed << std::setprecision (2) << ts;
|
std::cout << std::fixed << std::setprecision (2) << ts;
|
std::cout << " ns: printf" << std::endl;
|
std::cout << " ns: printf" << std::endl;
|
break;
|
break;
|
|
|
case NOP_PUTC:
|
case NOP_PUTC:
|
r3 = accessor->getGpr (3);
|
r3 = accessor->getGpr (3);
|
std::cout << (char)r3 << std::flush;
|
std::cout << (char)r3 << std::flush;
|
break;
|
break;
|
|
case NOP_CNT_RESET:
|
|
std::cout << "****************** counters reset ******************" << endl;
|
|
std::cout << "since last reset: cycles " << cycle_count - cycle_count_rst << ", insn #" << insn_count - insn_count_rst << endl;
|
|
std::cout << "****************** counters reset ******************" << endl;
|
|
cycle_count_rst = cycle_count;
|
|
insn_count_rst = insn_count;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
|
if (monitor_for_crash)
|
|
{
|
|
current_WbPC = accessor->getWbPC();
|
|
// Look at current instruction
|
|
if (current_WbInsn == 0x00000000)
|
|
{
|
|
// Looks like we've jumped somewhere incorrectly
|
|
lookslikewevecrashed_count++;
|
|
}
|
|
#define CRASH_MONITOR_LOG_BAD_INSNS 1
|
|
#if CRASH_MONITOR_LOG_BAD_INSNS
|
|
|
|
/* Log so-called "bad" instructions, or at least instructions we
|
|
executed, no matter if they caused us to increment
|
|
lookslikewevecrashed_count, this way we get them in our list too */
|
|
if (((current_WbInsn & 0xfc000000) != (uint32_t) OR1200_OR32_NOP) || !(current_WbInsn & (1<<16)))
|
|
{
|
|
crash_monitor_buffer[crash_monitor_buffer_head][0] = current_WbPC;
|
|
crash_monitor_buffer[crash_monitor_buffer_head][1] = current_WbInsn;
|
|
/* Circular buffer */
|
|
if(crash_monitor_buffer_head < CRASH_MONITOR_BUFFER_SIZE-1)
|
|
crash_monitor_buffer_head++;
|
|
else
|
|
crash_monitor_buffer_head = 0;
|
|
|
|
}
|
|
|
|
#else
|
|
else if (((current_WbInsn & 0xfc000000) != (uint32_t) OR1200_OR32_NOP) || !(current_WbInsn & (1<<16)))
|
|
{
|
|
|
|
crash_monitor_buffer[crash_monitor_buffer_head][0] = current_WbPC;
|
|
crash_monitor_buffer[crash_monitor_buffer_head][1] = current_WbInsn;
|
|
/* Circular buffer */
|
|
if(crash_monitor_buffer_head < CRASH_MONITOR_BUFFER_SIZE-1)
|
|
crash_monitor_buffer_head++;
|
|
else
|
|
crash_monitor_buffer_head = 0;
|
|
|
|
/* Reset this */
|
|
lookslikewevecrashed_count = 0;
|
|
}
|
|
#endif
|
|
if (wait_for_stall_cmd_response)
|
|
{
|
|
// We've already crashed, and we're issued a command to stall the
|
|
// processor to the system C debug unit interface, and we're
|
|
// waiting for this debug unit to send back the message that we've
|
|
// stalled.
|
|
char readChar;
|
|
int n = read(monitor_to_gdb_pipe[1][0], &readChar, sizeof(char));
|
|
if (!( ((n < 0) && (errno == EAGAIN)) || (n==0) ))
|
|
wait_for_stall_cmd_response = false; // We got response
|
|
lookslikewevecrashed_count = 0;
|
|
|
|
}
|
|
else if (lookslikewevecrashed_count > 0)
|
|
{
|
|
|
|
if (lookslikewevecrashed_count >= CRASH_MONITOR_BUFFER_SIZE/4)
|
|
{
|
|
/* Probably crashed. Bail out, print out buffer */
|
|
std::cout << "********************************************************************************"<< endl;
|
|
std::cout << "* Looks like processor crashed. Printing last " << CRASH_MONITOR_BUFFER_SIZE << " instructions executed:" << endl;
|
|
|
|
int crash_monitor_buffer_head_end = (crash_monitor_buffer_head > 0) ? crash_monitor_buffer_head - 1 : CRASH_MONITOR_BUFFER_SIZE-1;
|
|
while (crash_monitor_buffer_head != crash_monitor_buffer_head_end)
|
|
{
|
|
std::cout << "* PC: " << std::setfill('0') << hex << std::setw(8) << crash_monitor_buffer[crash_monitor_buffer_head][0] << " INSN: " << std::setfill('0') << hex << std::setw(8) << crash_monitor_buffer[crash_monitor_buffer_head][1] << endl;
|
|
|
|
if(crash_monitor_buffer_head < CRASH_MONITOR_BUFFER_SIZE-1)
|
|
crash_monitor_buffer_head++;
|
|
else
|
|
crash_monitor_buffer_head = 0;
|
}
|
}
|
|
std::cout << "********************************************************************************"<< endl;
|
|
|
|
if ( (monitor_to_gdb_pipe[0][0] != NULL))
|
|
{
|
|
// If GDB server is running, we'll pass control back to
|
|
// the debugger instead of just quitting.
|
|
char interrupt = 0x3; // Arbitrary
|
|
write(monitor_to_gdb_pipe[0][1],&interrupt,sizeof(char));
|
|
wait_for_stall_cmd_response = true;
|
|
lookslikewevecrashed_count = 0;
|
|
std::cout << "* Stalling processor and returning control to GDB"<< endl;
|
|
// Problem: the debug unit interface's stalling the processor over the simulated JTAG bus takes a while, in the meantime this monitor will continue running and keep triggering the crash detection code. We must somehow wait until the processor is stalled, or circumvent this crash detection output until we detect that the processor is stalled.
|
|
// Solution: Added another pipe, when we want to wait for preocssor to stall, we set wait_for_stall_cmd_response=true, then each time we get back to this monitor function we simply poll the pipe until we're stalled. (A blocking read didn't work - this function never yielded and the RSP server handling function never got called).
|
|
wait_for_stall_cmd_response = true;
|
|
|
|
}
|
|
else
|
|
{
|
|
// Close down sim end exit
|
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
|
std::cout << std::fixed << std::setprecision (2) << ts;
|
|
std::cout << " ns: Exiting (" << r3 << ")" << std::endl;
|
|
perfSummary();
|
|
if (logging_enabled) statusFile.close();
|
|
if (profiling_enabled) profileFile.close();
|
|
if (bus_trans_log_enabled) busTransLog.close();
|
|
memdump();
|
|
SIM_RUNNING=0;
|
|
sc_stop();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
} // checkInstruction()
|
} // checkInstruction()
|
|
|
|
|
//! Method to log execution in terms of calls and returns
|
//! Method to log execution in terms of calls and returns
|
|
|
void
|
void
|
Or1200MonitorSC::callLog()
|
Or1200MonitorSC::callLog()
|
{
|
{
|
uint32_t exinsn, delaypc;
|
uint32_t exinsn, delaypc;
|
uint32_t o_a; // operand a
|
uint32_t o_a; // operand a
|
uint32_t o_b; // operand b
|
uint32_t o_b; // operand b
|
struct label_entry *tmp;
|
struct label_entry *tmp;
|
|
|
// Instructions should be valid when freeze is low and there are no exceptions
|
// Instructions should be valid when freeze is low and there are no exceptions
|
//if (!accessor->getExFreeze())
|
//if (!accessor->getExFreeze())
|
if ((!accessor->getWbFreeze()) && (accessor->getExceptType() == 0))
|
if ((!accessor->getWbFreeze()) && (accessor->getExceptType() == 0))
|
{
|
{
|
//exinsn = accessor->getExInsn();// & 0x3ffffff;
|
//exinsn = accessor->getExInsn();// & 0x3ffffff;
|
exinsn = accessor->getWbInsn();
|
exinsn = accessor->getWbInsn();
|
// Check the instruction
|
// Check the instruction
|
switch((exinsn >> 26) & 0x3f) { // Check Opcode - top 6 bits
|
switch((exinsn >> 26) & 0x3f) { // Check Opcode - top 6 bits
|
case 0x1:
|
case 0x1:
|
/* Instruction: l.jal */
|
/* Instruction: l.jal */
|
o_a = (exinsn >> 0) & 0x3ffffff;
|
o_a = (exinsn >> 0) & 0x3ffffff;
|
if(o_a & 0x02000000) o_a |= 0xfe000000;
|
if(o_a & 0x02000000) o_a |= 0xfe000000;
|
|
|
//delaypc = accessor->getExPC() + (o_a * 4); // PC we're jumping to
|
//delaypc = accessor->getExPC() + (o_a * 4); // PC we're jumping to
|
delaypc = accessor->getWbPC() + (o_a * 4); // PC we're jumping to
|
delaypc = accessor->getWbPC() + (o_a * 4); // PC we're jumping to
|
// Now we have info about where we're jumping to. Output the info, with label if possible
|
// Now we have info about where we're jumping to. Output the info, with label if possible
|
// We print the PC we're jumping from + 8 which is the return address
|
// We print the PC we're jumping from + 8 which is the return address
|
if ( tmp = memoryload->get_label (delaypc) )
|
if ( tmp = memoryload->get_label (delaypc) )
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " " << tmp->name << endl;
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " " << tmp->name << endl;
|
else
|
else
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " @" << hex << std::setw(8) << delaypc << endl;
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " @" << hex << std::setw(8) << delaypc << endl;
|
|
|
break;
|
break;
|
case 0x11:
|
case 0x11:
|
/* Instruction: l.jr */
|
/* Instruction: l.jr */
|
// Bits 15-11 contain register number
|
// Bits 15-11 contain register number
|
o_b = (exinsn >> 11) & 0x1f;
|
o_b = (exinsn >> 11) & 0x1f;
|
if (o_b == 9) // l.jr r9 is typical return
|
if (o_b == 9) // l.jr r9 is typical return
|
{
|
{
|
// Now get the value in this register
|
// Now get the value in this register
|
delaypc = accessor->getGpr(o_b);
|
delaypc = accessor->getGpr(o_b);
|
// Output this jump
|
// Output this jump
|
profileFile << "-" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << delaypc << endl;
|
profileFile << "-" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << delaypc << endl;
|
}
|
}
|
break;
|
break;
|
case 0x12:
|
case 0x12:
|
/* Instruction: l.jalr */
|
/* Instruction: l.jalr */
|
o_b = (exinsn >> 11) & 0x1f;
|
o_b = (exinsn >> 11) & 0x1f;
|
// Now get the value in this register
|
// Now get the value in this register
|
delaypc = accessor->getGpr(o_b);
|
delaypc = accessor->getGpr(o_b);
|
// Now we have info about where we're jumping to. Output the info, with label if possible
|
// Now we have info about where we're jumping to. Output the info, with label if possible
|
// We print the PC we're jumping from + 8 which is the return address
|
// We print the PC we're jumping from + 8 which is the return address
|
if ( tmp = memoryload->get_label (delaypc) )
|
if ( tmp = memoryload->get_label (delaypc) )
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " " << tmp->name << endl;
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " " << tmp->name << endl;
|
else
|
else
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " @" << hex << std::setw(8) << delaypc << endl;
|
profileFile << "+" << std::setfill('0') << hex << std::setw(8) << cycle_count << " " << hex << std::setw(8) << accessor->getWbPC() + 8 << " " << hex << std::setw(8) << delaypc << " @" << hex << std::setw(8) << delaypc << endl;
|
|
|
break;
|
break;
|
|
|
}
|
}
|
}
|
}
|
} // callLog()
|
} // callLog()
|
|
|
|
|
//! Method to output the state of the processor
|
//! Method to output the state of the processor
|
|
|
//! This function will output to a file, if enabled, the status of the processor
|
//! This function will output to a file, if enabled, the status of the processor
|
//! This copies what the verilog testbench module, or1200_monitor does in it its
|
//! This copies what the verilog testbench module, or1200_monitor does in it its
|
//! process which calls the display_arch_state tasks. This is designed to be
|
//! process which calls the display_arch_state tasks. This is designed to be
|
//! identical to that process, so the output is identical
|
//! identical to that process, so the output is identical
|
#define PRINT_REGS 1
|
|
void
|
void
|
Or1200MonitorSC::displayState()
|
Or1200MonitorSC::displayState()
|
{
|
{
|
bool printregs = false;
|
|
// Output the state if we're not frozen and not flushing during a delay slot
|
// Output the state if we're not frozen and not flushing during a delay slot
|
if (!accessor->getWbFreeze())
|
if (!accessor->getWbFreeze())
|
{
|
{
|
if ((((accessor->getWbInsn() & 0xfc000000) != (uint32_t) OR1200_OR32_NOP) || !(accessor->getWbInsn() & (1<<16))) && !(accessor->getExceptFlushpipe() && accessor->getExDslot()))
|
if ((((accessor->getWbInsn() & 0xfc000000) != (uint32_t) OR1200_OR32_NOP) || !(accessor->getWbInsn() & (1<<16))) && !(accessor->getExceptFlushpipe() && accessor->getExDslot()))
|
{
|
{
|
// Print PC, instruction
|
// Print PC, instruction
|
statusFile << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << insn_count << "): " << std::setfill('0') << hex << std::setw(8) << accessor->getWbPC() << ": " << hex << std::setw(8) << accessor->getWbInsn() << endl;
|
statusFile << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << insn_count << "): " << std::setfill('0') << hex << std::setw(8) << accessor->getWbPC() << ": " << hex << std::setw(8) << accessor->getWbInsn() << endl;
|
#if PRINT_REGS
|
|
printregs = true;
|
|
#endif
|
|
}
|
}
|
else
|
|
{
|
|
// Exception version
|
// Exception version
|
if (accessor->getExceptFlushpipe())
|
else if (accessor->getExceptFlushpipe())
|
{
|
{
|
// Print PC, instruction, indicate it caused an exception
|
// Print PC, instruction, indicate it caused an exception
|
statusFile << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << insn_count << "): " << std::setfill('0') << hex << std::setw(8) << accessor->getExPC() << ": " << hex << std::setw(8) << accessor->getExInsn() << " (exception)" << endl;
|
statusFile << "\nEXECUTED("<< std::setfill(' ') << std::setw(11) << dec << insn_count << "): " << std::setfill('0') << hex << std::setw(8) << accessor->getExPC() << ": " << hex << std::setw(8) << accessor->getExInsn() << " (exception)" << endl;
|
#if PRINT_REGS
|
|
printregs = true;
|
|
#endif
|
|
|
|
}
|
}
|
|
else
|
|
return;
|
}
|
}
|
|
else
|
|
return;
|
|
|
if (printregs)
|
if (logging_regs)
|
{
|
{
|
// Print general purpose register contents
|
// Print general purpose register contents
|
for (int i=0; i<32; i++)
|
for (int i=0; i<32; i++)
|
{
|
{
|
if ((i%4 == 0)&&(i>0)) statusFile << endl;
|
if ((i%4 == 0)&&(i>0)) statusFile << endl;
|
statusFile << std::setfill('0');
|
statusFile << std::setfill('0');
|
statusFile << "GPR" << dec << std::setw(2) << i << ": " << hex << std::setw(8) << (uint32_t) accessor->getGpr(i) << " ";
|
statusFile << "GPR" << dec << std::setw(2) << i << ": " << hex << std::setw(8) << (uint32_t) accessor->getGpr(i) << " ";
|
}
|
}
|
statusFile << endl;
|
statusFile << endl;
|
|
|
statusFile << "SR : " << hex << std::setw(8) << (uint32_t) accessor->getSprSr() << " ";
|
statusFile << "SR : " << hex << std::setw(8) << (uint32_t) accessor->getSprSr() << " ";
|
statusFile << "EPCR0: " << hex << std::setw(8) << (uint32_t) accessor->getSprEpcr() << " ";
|
statusFile << "EPCR0: " << hex << std::setw(8) << (uint32_t) accessor->getSprEpcr() << " ";
|
statusFile << "EEAR0: " << hex << std::setw(8) << (uint32_t) accessor->getSprEear() << " ";
|
statusFile << "EEAR0: " << hex << std::setw(8) << (uint32_t) accessor->getSprEear() << " ";
|
statusFile << "ESR0 : " << hex << std::setw(8) << (uint32_t) accessor->getSprEsr() << endl;
|
statusFile << "ESR0 : " << hex << std::setw(8) << (uint32_t) accessor->getSprEsr() << endl;
|
|
|
}
|
}
|
}
|
|
|
|
return;
|
return;
|
|
|
} // displayState()
|
} // displayState()
|
|
|
|
//! Method to output the state of the processor in binary format
|
|
//! File format is simply first byte indicating whether register
|
|
//! data is included, and then structs of the following type
|
|
struct s_binary_output_buffer{
|
|
long long insn_count;
|
|
uint32_t pc;
|
|
uint32_t insn;
|
|
char exception;
|
|
uint32_t regs[32];
|
|
uint32_t sr;
|
|
uint32_t epcr0;
|
|
uint32_t eear0;
|
|
uint32_t eser0;
|
|
} __attribute__((__packed__));
|
|
|
|
struct s_binary_output_buffer_sans_regs{
|
|
long long insn_count;
|
|
uint32_t pc;
|
|
uint32_t insn;
|
|
char exception;
|
|
} __attribute__((__packed__));
|
|
|
|
void
|
|
Or1200MonitorSC::displayStateBinary()
|
|
{
|
|
struct s_binary_output_buffer outbuf;
|
|
|
|
// Output the state if we're not frozen and not flushing during a delay slot
|
|
if (!accessor->getWbFreeze())
|
|
{
|
|
if ((((accessor->getWbInsn() & 0xfc000000) != (uint32_t) OR1200_OR32_NOP) || !(accessor->getWbInsn() & (1<<16))) && !(accessor->getExceptFlushpipe() && accessor->getExDslot()))
|
|
{
|
|
outbuf.insn_count = insn_count;
|
|
outbuf.pc = (uint32_t) accessor->getWbPC();
|
|
outbuf.insn = (uint32_t) accessor->getWbInsn();
|
|
outbuf.exception = 0;
|
|
}
|
|
// Exception version
|
|
else if (accessor->getExceptFlushpipe())
|
|
{
|
|
outbuf.insn_count = insn_count;
|
|
outbuf.pc = (uint32_t) accessor->getExPC();
|
|
outbuf.insn = (uint32_t) accessor->getExInsn();
|
|
outbuf.exception = 1;
|
|
}
|
|
else
|
|
return;
|
|
}
|
|
else
|
|
return;
|
|
|
|
if (logging_regs)
|
|
{
|
|
// Print general purpose register contents
|
|
for (int i=0; i<32; i++)
|
|
outbuf.regs[i] = (uint32_t) accessor->getGpr(i);
|
|
|
|
outbuf.sr = (uint32_t) accessor->getSprSr();
|
|
outbuf.epcr0 = (uint32_t) accessor->getSprEpcr();
|
|
outbuf.eear0 = (uint32_t) accessor->getSprEear();
|
|
outbuf.eser0 = (uint32_t) accessor->getSprEsr();
|
|
|
|
statusFile.write((char*)&outbuf, sizeof(struct s_binary_output_buffer));
|
|
|
|
}
|
|
else
|
|
statusFile.write((char*)&outbuf, sizeof(struct s_binary_output_buffer_sans_regs));
|
|
|
|
|
|
|
|
return;
|
|
|
|
} // displayStateBinary()
|
|
|
//! Function to calculate the number of instructions performed and the time taken
|
//! Function to calculate the number of instructions performed and the time taken
|
void
|
void
|
Or1200MonitorSC::perfSummary()
|
Or1200MonitorSC::perfSummary()
|
{
|
{
|
if (exit_perf_summary_enabled)
|
if (exit_perf_summary_enabled)
|
{
|
{
|
double ts;
|
double ts;
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
ts = sc_time_stamp().to_seconds() * 1000000000.0;
|
int cycles = ts / (BENCH_CLK_HALFPERIOD*2); // Number of clock cycles we had
|
int cycles = ts / (BENCH_CLK_HALFPERIOD*2); // Number of clock cycles we had
|
|
|
clock_t finish = clock();
|
clock_t finish = clock();
|
double elapsed_time = (double(finish)-double(start))/CLOCKS_PER_SEC;
|
double elapsed_time = (double(finish)-double(start))/CLOCKS_PER_SEC;
|
// It took elapsed_time seconds to do insn_count instructions. Divide insn_count by the time to get instructions/second.
|
// It took elapsed_time seconds to do insn_count instructions. Divide insn_count by the time to get instructions/second.
|
double ips = (insn_count/elapsed_time);
|
double ips = (insn_count/elapsed_time);
|
double mips = (insn_count/elapsed_time)/1000000;
|
double mips = (insn_count/elapsed_time)/1000000;
|
int hertz = (int) ((cycles/elapsed_time)/1000);
|
int hertz = (int) ((cycles/elapsed_time)/1000);
|
std::cout << "* Or1200Monitor: simulated " << sc_time_stamp() << ", time elapsed: " << elapsed_time << " seconds" << endl;
|
std::cout << "* Or1200Monitor: simulated " << sc_time_stamp() << ", time elapsed: " << elapsed_time << " seconds" << endl;
|
std::cout << "* Or1200Monitor: simulated " << dec << cycles << " clock cycles, executed at approx " << hertz << "kHz" << endl;
|
std::cout << "* Or1200Monitor: simulated " << dec << cycles << " clock cycles, executed at approx " << hertz << "kHz" << endl;
|
std::cout << "* Or1200Monitor: simulated " << insn_count << " instructions, insn/sec. = " << ips << ", mips = " << mips << endl;
|
std::cout << "* Or1200Monitor: simulated " << insn_count << " instructions, insn/sec. = " << ips /*<< ", mips = " << mips*/ << endl;
|
}
|
}
|
return;
|
return;
|
} // perfSummary
|
} // perfSummary
|
|
|
|
|
//! Dump contents of simulation's RAM to file
|
//! Dump contents of simulation's RAM to file
|
void
|
void
|
Or1200MonitorSC::memdump()
|
Or1200MonitorSC::memdump()
|
{
|
{
|
if (!do_memdump) return;
|
if (!do_memdump) return;
|
uint32_t current_word;
|
uint32_t current_word;
|
int size_words = (memdump_end_addr/4) - (memdump_start_addr/4);
|
int size_words = (memdump_end_addr/4) - (memdump_start_addr/4);
|
if (!(size_words > 0)) return;
|
if (!(size_words > 0)) return;
|
|
|
// First try opening the file
|
// First try opening the file
|
memdumpFile.open(memdumpFileName.c_str(), ios::binary); // Open memorydump file
|
memdumpFile.open(memdumpFileName.c_str(), ios::binary); // Open memorydump file
|
if(memdumpFile.is_open())
|
if(memdumpFile.is_open())
|
{
|
{
|
// If we could open the file then turn on logging
|
// If we could open the file then turn on logging
|
cout << "* Dumping system RAM from 0x" << hex << memdump_start_addr << "-0x" << hex << memdump_end_addr << " to file " << memdumpFileName << endl;
|
cout << "* Dumping system RAM from 0x" << hex << memdump_start_addr << "-0x" << hex << memdump_end_addr << " to file " << memdumpFileName << endl;
|
|
|
// Convert memdump_start_addr to word address
|
// Convert memdump_start_addr to word address
|
memdump_start_addr = memdump_start_addr / 4;
|
memdump_start_addr = memdump_start_addr / 4;
|
while (size_words)
|
while (size_words)
|
{
|
{
|
// Read the data from the simulation memory
|
// Read the data from the simulation memory
|
current_word = accessor->get_mem(memdump_start_addr);
|
current_word = accessor->get_mem(memdump_start_addr);
|
//cout << hex << current_word << " ";
|
//cout << hex << current_word << " ";
|
/*
|
/*
|
cout << hex << ((current_word >> 24 ) & 0xff) << " ";
|
cout << hex << ((current_word >> 24 ) & 0xff) << " ";
|
cout << hex << ((current_word >> 16) & 0xff) << " ";
|
cout << hex << ((current_word >> 16) & 0xff) << " ";
|
cout << hex << ((current_word >> 8 ) & 0xff) << " " ;
|
cout << hex << ((current_word >> 8 ) & 0xff) << " " ;
|
cout << hex << ((current_word >> 0 ) & 0xff) << " ";
|
cout << hex << ((current_word >> 0 ) & 0xff) << " ";
|
*/
|
*/
|
// Change from whatever endian the host is (most
|
// Change from whatever endian the host is (most
|
// cases little) to big endian
|
// cases little) to big endian
|
current_word = htonl(current_word);
|
current_word = htonl(current_word);
|
memdumpFile.write((char*) ¤t_word, 4);
|
memdumpFile.write((char*) ¤t_word, 4);
|
memdump_start_addr++; size_words--;
|
memdump_start_addr++; size_words--;
|
}
|
}
|
|
|
// Ideally we've now finished piping out the data
|
// Ideally we've now finished piping out the data
|
// not 100% about the endianess of this.
|
// not 100% about the endianess of this.
|
}
|
}
|
memdumpFile.close();
|
memdumpFile.close();
|
|
|
}
|
}
|
|
|
No newline at end of file
|
No newline at end of file
|
|
|
|
void
|
|
Or1200MonitorSC::busMonitor()
|
|
{
|
|
|
|
// This is for the wb_conmax module. Presumably other Wishbone bus arbiters
|
|
// will need this section of the code to be re-written appropriately, along
|
|
// with the relevent functions in the OrpsocAccess module.
|
|
|
|
static busLogStates busLogState = BUS_LOG_IDLE;
|
|
static int currentMaster = -1;
|
|
static uint32_t currentAddr = 0, currentDataIn = 0;
|
|
static uint32_t currentSel = 0, currentSlave = 0;
|
|
static bool currentWe = false;
|
|
static int cyclesWaited = 0;
|
|
|
|
if (bus_trans_log_start_delay_enable)
|
|
{
|
|
if (sc_time_stamp() >= bus_trans_log_start_delay)
|
|
{
|
|
// No longer waiting
|
|
bus_trans_log_start_delay_enable = false;
|
|
cout << "* System log now enabled (time = " << bus_trans_log_start_delay.to_string() << ")" << endl;
|
|
}
|
|
|
|
if (bus_trans_log_start_delay_enable)
|
|
return;
|
|
}
|
|
|
|
switch ( busLogState )
|
|
{
|
|
case BUS_LOG_IDLE:
|
|
{
|
|
// Check the current granted master's cyc and stb inputs
|
|
uint32_t gnt = accessor->getWbArbGrant();
|
|
if (accessor->getWbArbMastCycI(gnt) && accessor->getWbArbMastStbI(gnt) &&
|
|
!accessor->getWbArbMastAckO(gnt))
|
|
{
|
|
currentAddr = accessor->getWbArbMastAdrI(gnt);
|
|
currentDataIn = accessor->getWbArbMastDatI(gnt);
|
|
currentSel = (uint32_t) accessor->getWbArbMastSelI(gnt);
|
|
currentSlave = (uint32_t)accessor->getWbArbMastSlaveSelDecoded(gnt)-1;
|
|
currentWe = accessor->getWbArbMastWeI(gnt);
|
|
currentMaster = gnt;
|
|
busLogState = BUS_LOG_WAIT_FOR_ACK;
|
|
cyclesWaited = 0;
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case BUS_LOG_WAIT_FOR_ACK:
|
|
|
|
cyclesWaited++;
|
|
|
|
// Check for ACK
|
|
if (accessor->getWbArbMastAckO(currentMaster))
|
|
{
|
|
// Transaction completed
|
|
busTransLog << sc_time_stamp() << " M" << currentMaster << " ";
|
|
if (currentWe)
|
|
busTransLog << " W " << hex << currentSel << " " << hex << std::setfill('0') << std::setw(8) << currentAddr << " S" << dec << currentSlave << " " << hex << std::setw(8) << currentDataIn << " " << dec << cyclesWaited << endl;
|
|
else
|
|
busTransLog << " R " << hex << currentSel << " " << hex << std::setfill('0') << std::setw(8) << currentAddr << " S" << dec << currentSlave << " " << hex << std::setw(8) << accessor->getWbArbMastDatO(currentMaster) << " " << dec << cyclesWaited << endl;
|
|
|
|
busLogState = BUS_LOG_IDLE;
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
} // busMonitor ()
|
|
|
No newline at end of file
|
No newline at end of file
|
