95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
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/********************************************************************
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* This file includes functions that outputs a pin constraint object to XML format
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*******************************************************************/
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/* Headers from system goes first */
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#include <string>
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#include <algorithm>
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/* Headers from vtr util library */
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#include "vtr_assert.h"
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#include "vtr_log.h"
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#include "vtr_time.h"
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/* Headers from openfpga util library */
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#include "openfpga_digest.h"
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/* Headers from arch openfpga library */
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#include "write_xml_utils.h"
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/* Headers from pin constraint library */
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#include "write_xml_pin_constraints.h"
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/********************************************************************
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* A writer to output a pin constraint to XML format
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*
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* Return 0 if successful
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* Return 1 if there are more serious bugs in the architecture
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* Return 2 if fail when creating files
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*******************************************************************/
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static
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int write_xml_io_constraint(std::fstream& fp,
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const PinConstraints& pin_constraints,
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const PinConstraintId& pin_constraint) {
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/* Validate the file stream */
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if (false == openfpga::valid_file_stream(fp)) {
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return 2;
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}
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openfpga::write_tab_to_file(fp, 1);
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fp << "<set_io";
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if (false == pin_constraints.valid_pin_constraint_id(pin_constraint)) {
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return 1;
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}
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write_xml_attribute(fp, "pin", generate_xml_port_name(pin_constraints.pin(pin_constraint)).c_str());
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write_xml_attribute(fp, "net", pin_constraints.net(pin_constraint).c_str());
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fp << "/>" << "\n";
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return 0;
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}
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/********************************************************************
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* A writer to output a repack pin constraint object to XML format
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*
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* Return 0 if successful
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* Return 1 if there are more serious bugs in the architecture
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* Return 2 if fail when creating files
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*******************************************************************/
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int write_xml_pin_constraints(const char* fname,
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const PinConstraints& pin_constraints) {
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vtr::ScopedStartFinishTimer timer("Write Pin Constraints");
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/* Create a file handler */
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std::fstream fp;
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/* Open the file stream */
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fp.open(std::string(fname), std::fstream::out | std::fstream::trunc);
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/* Validate the file stream */
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openfpga::check_file_stream(fname, fp);
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/* Write the root node */
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fp << "<pin_constraints>" << "\n";
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int err_code = 0;
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/* Write region by region */
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for (const PinConstraintId& pin_constraint : pin_constraints.pin_constraints()) {
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/* Write constraint by constraint */
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err_code = write_xml_pin_constraint(fp, pin_constraints, pin_constraint);
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if (0 != err_code) {
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return err_code;
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}
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}
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/* Finish writing the root node */
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fp << "</pin_constraints>" << "\n";
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/* Close the file stream */
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fp.close();
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return err_code;
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}
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