OpenFPGA/libopenfpga/libarchopenfpga/src/write_xml_technology_librar...

161 lines
6.9 KiB
C++

/********************************************************************
* This file includes functions that outputs a technology library to XML format
*******************************************************************/
/* Headers from system goes first */
#include <string>
#include <algorithm>
/* Headers from vtr util library */
#include "vtr_log.h"
#include "openfpga_digest.h"
/* Headers from readarchopenfpga library */
#include "write_xml_utils.h"
#include "write_xml_technology_library.h"
/********************************************************************
* A writer to output a device model in a technology library to XML format
*******************************************************************/
static
void write_xml_device_model(std::fstream& fp,
const char* fname,
const TechnologyLibrary& tech_lib,
const TechnologyModelId& device_model) {
/* Validate the file stream */
openfpga::check_file_stream(fname, fp);
fp << "\t\t\t" << "<device_model";
/* Write up name and type of the device model */
write_xml_attribute(fp, "name", tech_lib.model_name(device_model).c_str());
write_xml_attribute(fp, "type", TECH_LIB_MODEL_TYPE_STRING[tech_lib.model_type(device_model)]);
fp << ">" << "\n";
/* Write library settings */
fp << "\t\t\t\t" << "<lib";
write_xml_attribute(fp, "type", TECH_LIB_TYPE_STRING[tech_lib.model_lib_type(device_model)]);
if (TECH_LIB_INDUSTRY == tech_lib.model_lib_type(device_model)) {
write_xml_attribute(fp, "corner", tech_lib.model_corner(device_model).c_str());
}
write_xml_attribute(fp, "ref", tech_lib.model_ref(device_model).c_str());
write_xml_attribute(fp, "path", tech_lib.model_lib_path(device_model).c_str());
fp << ">" << "\n";
/* Write design parameters. This is ONLY applicable to transistors */
if (TECH_LIB_MODEL_TRANSISTOR == tech_lib.model_type(device_model)) {
fp << "\t\t\t\t" << "<design";
write_xml_attribute(fp, "vdd", std::to_string(tech_lib.model_vdd(device_model)).c_str());
write_xml_attribute(fp, "pn_ratio", std::to_string(tech_lib.model_pn_ratio(device_model)).c_str());
fp << ">" << "\n";
}
/* Write PMOS and NMOS. This is ONLY applicable to transistors */
if (TECH_LIB_MODEL_TRANSISTOR == tech_lib.model_type(device_model)) {
fp << "\t\t\t\t" << "<pmos";
write_xml_attribute(fp, "name", tech_lib.transistor_model_name(device_model, TECH_LIB_TRANSISTOR_PMOS).c_str());
write_xml_attribute(fp, "chan_length", tech_lib.transistor_model_chan_length(device_model, TECH_LIB_TRANSISTOR_PMOS));
write_xml_attribute(fp, "min_width", tech_lib.transistor_model_min_width(device_model, TECH_LIB_TRANSISTOR_PMOS));
write_xml_attribute(fp, "max_width", tech_lib.transistor_model_max_width(device_model, TECH_LIB_TRANSISTOR_PMOS));
if (TechnologyVariationId::INVALID() != tech_lib.transistor_model_variation(device_model, TECH_LIB_TRANSISTOR_PMOS)) {
write_xml_attribute(fp, "variation", tech_lib.variation_name(tech_lib.transistor_model_variation(device_model, TECH_LIB_TRANSISTOR_PMOS)).c_str());
}
fp << "/>" << "\n";
fp << "\t\t\t\t" << "<nmos";
write_xml_attribute(fp, "name", tech_lib.transistor_model_name(device_model, TECH_LIB_TRANSISTOR_NMOS).c_str());
write_xml_attribute(fp, "chan_length", tech_lib.transistor_model_chan_length(device_model, TECH_LIB_TRANSISTOR_NMOS));
write_xml_attribute(fp, "min_width", tech_lib.transistor_model_min_width(device_model, TECH_LIB_TRANSISTOR_NMOS));
if (TechnologyVariationId::INVALID() != tech_lib.transistor_model_variation(device_model, TECH_LIB_TRANSISTOR_NMOS)) {
write_xml_attribute(fp, "variation", tech_lib.variation_name(tech_lib.transistor_model_variation(device_model, TECH_LIB_TRANSISTOR_NMOS)).c_str());
}
fp << "/>" << "\n";
}
/* Write RRAM device parameters. This is ONLY applicable to RRAM */
if (TECH_LIB_MODEL_RRAM == tech_lib.model_type(device_model)) {
fp << "\t\t\t\t" << "<rram";
write_xml_attribute(fp, "rlrs", tech_lib.rram_rlrs(device_model));
write_xml_attribute(fp, "rhrs", tech_lib.rram_rhrs(device_model));
if (TechnologyVariationId::INVALID() != tech_lib.rram_variation(device_model)) {
write_xml_attribute(fp, "variation", tech_lib.variation_name(tech_lib.rram_variation(device_model)).c_str());
}
fp << "/>" << "\n";
}
/* Finished XML dumping for this device model */
fp << "\t\t\t" << "</device_model>" << "\n";
}
/********************************************************************
* A writer to output a device variation in a technology library to XML format
*******************************************************************/
static
void write_xml_device_variation(std::fstream& fp,
const char* fname,
const TechnologyLibrary& tech_lib,
const TechnologyVariationId& device_variation) {
/* Validate the file stream */
openfpga::check_file_stream(fname, fp);
fp << "\t\t\t" << "<variation";
/* Write up name of the device variation */
write_xml_attribute(fp, "name", tech_lib.variation_name(device_variation).c_str());
write_xml_attribute(fp, "abs_deviation", tech_lib.variation_abs_value(device_variation));
write_xml_attribute(fp, "num_sigma", std::to_string(tech_lib.variation_num_sigma(device_variation)).c_str());
fp << "/>" << "\n";
}
/********************************************************************
* A writer to output a technology library to XML format
* Note:
* This function should be run after that the following methods of
* TechnologyLibrary are executed
* 1. link_models_to_variations();
*******************************************************************/
void write_xml_technology_library(std::fstream& fp,
const char* fname,
const TechnologyLibrary& tech_lib) {
/* Validate the file stream */
openfpga::check_file_stream(fname, fp);
/* Write the root node for technology_library,
* we apply a tab becuase technology library is a subnode
* under the root node <openfpga_arch>
*/
fp << "\t" << "<technology_library>" << "\n";
/* Write device library node */
fp << "\t\t" << "<device_library>" << "\n";
/* Write device model one by one */
for (const TechnologyModelId& device_model : tech_lib.models()) {
write_xml_device_model(fp, fname, tech_lib, device_model);
}
/* Finish writing device library node */
fp << "\t\t" << "</device_library>" << "\n";
/* Write variation library node */
fp << "\t\t" << "<variation_library>" << "\n";
/* Write variation model one by one */
for (const TechnologyVariationId& variation : tech_lib.variations()) {
write_xml_device_variation(fp, fname, tech_lib, variation);
}
/* Finish writing variation library node */
fp << "\t\t" << "</variation_library>" << "\n";
/* Write the root node for circuit_library */
fp << "\t" << "</technology_library>" << "\n";
}