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+/*****************************************************************************
+ * McPAT
+ * SOFTWARE LICENSE AGREEMENT
+ * Copyright (c) 2010-2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Joel Hestness
+ * Yasuko Eckert
+ *
+ ***************************************************************************/
+
+#include <algorithm>
+#include <cmath>
+#include <cstdio>
+#include <fstream>
+#include <iostream>
+#include <string>
+
+#include "array.h"
+#include "basic_circuit.h"
+#include "common.h"
+#include "const.h"
+#include "parameter.h"
+#include "system.h"
+#include "version.h"
+
+// TODO: Fix this constructor to default initialize all pointers to NULL
+System::System(XMLNode* _xml_data)
+ : McPATComponent(_xml_data) {
+ int i;
+ int currCore = 0;
+ int currNOC = 0;
+ name = "System";
+ set_proc_param();
+
+ // TODO: This loop can (and should) be called by every component in
+ // the hierarchy. Consider moving it to McPATComponent
+ int numChildren = xml_data->nChildNode("component");
+ for (i = 0; i < numChildren; i++ ) {
+ // For each child node of the system,
+ XMLNode* childXML = xml_data->getChildNodePtr("component", &i);
+ XMLCSTR type = childXML->getAttribute("type");
+
+ if (!type) {
+ warnMissingComponentType(childXML->getAttribute("id"));
+
+ } STRCMP(type, "Core") {
+ // TODO: If homogeneous cores, and currCore > 0, just copy core 0
+ children.push_back(new Core(childXML, currCore, &interface_ip));
+ currCore++;
+ } STRCMP(type, "CacheUnit") {
+ children.push_back(new CacheUnit(childXML, &interface_ip));
+ } STRCMP(type, "CacheController") {
+ // TODO: Remove reliance on interface_ip - there should be a better
+ // way to share global variables than passing, copying
+ children.push_back(new CacheController(childXML, &interface_ip));
+ } STRCMP(type, "MemoryController") {
+ children.push_back(new MemoryController(childXML, &interface_ip));
+ } STRCMP(type, "FlashController") {
+ children.push_back(new FlashController(childXML, &interface_ip));
+ } STRCMP(type, "NIUController") {
+ children.push_back(new NIUController(childXML, &interface_ip));
+ } STRCMP(type, "PCIeController") {
+ children.push_back(new PCIeController(childXML, &interface_ip));
+ } STRCMP(type, "Memory") {
+ // TODO:
+ warnIncompleteComponentType(type);
+ } STRCMP(type, "OnChipNetwork") {
+ // TODO: Many of the parameters to this constructor should be
+ // handled in another way
+ children.push_back(new OnChipNetwork(childXML, currNOC,
+ &interface_ip));
+ currNOC++;
+ warnIncompleteComponentType(type);
+ } STRCMP(type, "BusInterconnect") {
+ // TODO: Many of the parameters to this constructor should be
+ // handled in another way
+ children.push_back(new BusInterconnect(childXML, &interface_ip));
+ warnIncompleteComponentType(type);
+
+ // TODO: Add a directory data type that can handle the directories
+ // as defined by certain McScript output
+ } else {
+ warnUnrecognizedComponent(type);
+ }
+ }
+}
+
+void System::displayDeviceType(int device_type_, uint32_t indent) {
+ string indent_str(indent, ' ');
+ cout << indent_str << "Device Type = ";
+
+ switch ( device_type_ ) {
+ case 0:
+ cout << "ITRS high performance device type" << endl;
+ break;
+ case 1:
+ cout << "ITRS low standby power device type" << endl;
+ break;
+ case 2:
+ cout << "ITRS low operating power device type" << endl;
+ break;
+ case 3:
+ cout << "LP-DRAM device type" << endl;
+ break;
+ case 4:
+ cout << "COMM-DRAM device type" << endl;
+ break;
+ default:
+ cout << indent_str << "Unknown!" << endl;
+ exit(0);
+ }
+}
+
+void System::displayInterconnectType(int interconnect_type_, uint32_t indent) {
+ string indent_str(indent, ' ');
+ cout << indent_str << "Interconnect metal projection = ";
+
+ switch ( interconnect_type_ ) {
+ case 0:
+ cout << "aggressive interconnect technology projection" << endl;
+ break;
+ case 1:
+ cout << "conservative interconnect technology projection" << endl;
+ break;
+ default:
+ cout << indent_str << "Unknown!" << endl;
+ exit(0);
+ }
+}
+
+// TODO: Migrate this down to the McPATComponent::displayData function
+void System::displayData(uint32_t indent, int plevel) {
+ string indent_str(indent, ' ');
+ string indent_str_next(indent + 2, ' ');
+ if (plevel < 5) {
+ cout << "\nMcPAT (version " << VER_MAJOR << "." << VER_MINOR
+ << " of " << VER_UPDATE << ") results (current print level is "
+ << plevel
+ << ", please increase print level to see the details in "
+ << "components) " << endl;
+ } else {
+ cout << "\nMcPAT (version " << VER_MAJOR << "." << VER_MINOR
+ << " of " << VER_UPDATE << ") results (current print level is 5)"
+ << endl;
+ }
+
+ cout << "*****************************************************************"
+ << "************************" << endl;
+ cout << indent_str << "Technology " << core_tech_node << " nm" << endl;
+ if (longer_channel_device)
+ cout << indent_str << "Using Long Channel Devices When Appropriate" << endl;
+ displayInterconnectType(interconnect_projection_type, indent);
+ cout << indent_str << "Target Clock Rate (MHz) " << target_core_clockrate / 1e6 << endl;
+ cout << endl;
+
+ cout << "*****************************************************************"
+ << "************************" << endl;
+
+ McPATComponent::displayData(indent, plevel);
+}
+
+void System::set_proc_param() {
+ // TODO: Consider creating a SystemParams class that tracks system-wide
+ // parameters like these
+ longer_channel_device = false;
+ core_tech_node = -1;
+ temperature = -1;
+ interconnect_projection_type = -1;
+ device_type = -1;
+ physical_address_width = -1;
+
+ int num_children = xml_data->nChildNode("param");
+ int i;
+ for (i = 0; i < num_children; i++) {
+ XMLNode* paramNode = xml_data->getChildNodePtr("param", &i);
+ XMLCSTR node_name = paramNode->getAttribute("name");
+ XMLCSTR value = paramNode->getAttribute("value");
+
+ if (!node_name)
+ warnMissingParamName(paramNode->getAttribute("id"));
+
+ ASSIGN_FP_IF("core_tech_node", core_tech_node);
+ ASSIGN_INT_IF("target_core_clockrate", target_core_clockrate);
+ ASSIGN_INT_IF("temperature", temperature);
+ ASSIGN_INT_IF("device_type", device_type);
+ ASSIGN_INT_IF("longer_channel_device", longer_channel_device);
+ ASSIGN_INT_IF("interconnect_projection_type",
+ interconnect_projection_type);
+ ASSIGN_INT_IF("machine_bits", data_path_width);
+ ASSIGN_INT_IF("virtual_address_width", virtual_address_width);
+ ASSIGN_INT_IF("physical_address_width", physical_address_width);
+ ASSIGN_INT_IF("virtual_memory_page_size", virtual_memory_page_size);
+ ASSIGN_INT_IF("wire_is_mat_type", interface_ip.wire_is_mat_type);
+ ASSIGN_INT_IF("wire_os_mat_type", interface_ip.wire_os_mat_type);
+ ASSIGN_INT_IF("delay_wt", interface_ip.delay_wt);
+ ASSIGN_INT_IF("area_wt", interface_ip.area_wt);
+ ASSIGN_INT_IF("dynamic_power_wt", interface_ip.dynamic_power_wt);
+ ASSIGN_INT_IF("leakage_power_wt", interface_ip.leakage_power_wt);
+ ASSIGN_INT_IF("cycle_time_wt", interface_ip.cycle_time_wt);
+ ASSIGN_INT_IF("delay_dev", interface_ip.delay_dev);
+ ASSIGN_INT_IF("area_dev", interface_ip.area_dev);
+ ASSIGN_INT_IF("dynamic_power_dev", interface_ip.dynamic_power_dev);
+ ASSIGN_INT_IF("leakage_power_dev", interface_ip.leakage_power_dev);
+ ASSIGN_INT_IF("cycle_time_dev", interface_ip.cycle_time_dev);
+ ASSIGN_INT_IF("ed", interface_ip.ed);
+ ASSIGN_INT_IF("burst_len", interface_ip.burst_len);
+ ASSIGN_INT_IF("int_prefetch_w", interface_ip.int_prefetch_w);
+ ASSIGN_INT_IF("page_sz_bits", interface_ip.page_sz_bits);
+ ASSIGN_ENUM_IF("rpters_in_htree", interface_ip.rpters_in_htree, bool);
+ ASSIGN_INT_IF("ver_htree_wires_over_array",
+ interface_ip.ver_htree_wires_over_array);
+ ASSIGN_INT_IF("broadcast_addr_din_over_ver_htrees",
+ interface_ip.broadcast_addr_din_over_ver_htrees);
+ ASSIGN_INT_IF("nuca", interface_ip.nuca);
+ ASSIGN_INT_IF("nuca_bank_count", interface_ip.nuca_bank_count);
+ ASSIGN_ENUM_IF("force_cache_config",
+ interface_ip.force_cache_config, bool);
+ ASSIGN_ENUM_IF("wt", interface_ip.wt, Wire_type);
+ ASSIGN_INT_IF("force_wiretype", interface_ip.force_wiretype);
+ ASSIGN_INT_IF("print_detail", interface_ip.print_detail);
+ ASSIGN_ENUM_IF("add_ecc_b_", interface_ip.add_ecc_b_, bool);
+
+ else {
+ warnUnrecognizedParam(node_name);
+ }
+ }
+
+ // Change from MHz to Hz
+ target_core_clockrate *= 1e6;
+ interconnect_projection_type =
+ (interconnect_projection_type == 0) ? 0 : 1;
+
+ num_children = xml_data->nChildNode("stat");
+ for (i = 0; i < num_children; i++) {
+ XMLNode* statNode = xml_data->getChildNodePtr("stat", &i);
+ XMLCSTR node_name = statNode->getAttribute("name");
+ XMLCSTR value = statNode->getAttribute("value");
+
+ if (!node_name)
+ warnMissingStatName(statNode->getAttribute("id"));
+
+ ASSIGN_FP_IF("total_cycles", total_cycles);
+
+ else {
+ warnUnrecognizedStat(node_name);
+ }
+ }
+
+ if (temperature < 0) {
+ errorUnspecifiedParam("temperature");
+ }
+
+ if (core_tech_node < 0) {
+ errorUnspecifiedParam("core_tech_node");
+ }
+
+ if (interconnect_projection_type < 0) {
+ errorUnspecifiedParam("interconnect_projection_type");
+ }
+
+ if (device_type < 0) {
+ errorUnspecifiedParam("device_type");
+ }
+
+ if (physical_address_width <= 0) {
+ errorNonPositiveParam("physical_address_width");
+ }
+
+ if (data_path_width <= 0) {
+ errorNonPositiveParam("machine_bits");
+ }
+
+ if (total_cycles <= 0) {
+ fprintf(stderr, "WARNING: total_cycles <= 0 in system component, ",
+ "power numbers will be funky...\n");
+ }
+
+ clockRate = target_core_clockrate;
+ execution_time = total_cycles / (target_core_clockrate);
+
+ /* Basic parameters*/
+ interface_ip.data_arr_ram_cell_tech_type = device_type;
+ interface_ip.data_arr_peri_global_tech_type = device_type;
+ interface_ip.tag_arr_ram_cell_tech_type = device_type;
+ interface_ip.tag_arr_peri_global_tech_type = device_type;
+
+ interface_ip.ic_proj_type = interconnect_projection_type;
+ interface_ip.temp = temperature;
+ interface_ip.F_sz_nm = core_tech_node;
+ interface_ip.F_sz_um = interface_ip.F_sz_nm / 1000;
+ interface_ip.is_main_mem = false;
+
+ // These are there just to make CACTI's error_checking() happy.
+ // They are either not actually used or overwritten by each component.
+ interface_ip.cache_sz = MIN_BUFFER_SIZE;
+ interface_ip.nbanks = 1;
+ interface_ip.out_w = 0;
+ interface_ip.line_sz = 1;
+ interface_ip.assoc = 1;
+ interface_ip.num_rw_ports = 1;
+ interface_ip.num_search_ports = 1;
+ interface_ip.is_cache = true;
+ interface_ip.pure_ram = false;
+ interface_ip.pure_cam = false;
+
+
+ //This section of code does not have real meaning; it is just to ensure
+ //all data will have initial value to prevent errors.
+ //They will be overridden during each components initialization
+ interface_ip.specific_tag = 1;
+ interface_ip.tag_w = 64;
+ interface_ip.access_mode = 2;
+
+ interface_ip.obj_func_dyn_energy = 0;
+ interface_ip.obj_func_dyn_power = 0;
+ interface_ip.obj_func_leak_power = 0;
+ interface_ip.obj_func_cycle_t = 1;
+ interface_ip.num_rw_ports = 1;
+ interface_ip.num_rd_ports = 0;
+ interface_ip.num_wr_ports = 0;
+ interface_ip.num_se_rd_ports = 0;
+}
+
+System::~System() {
+ // TODO: Delete children... do this in McPATComponent
+};
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