110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/********************************************************************
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* This file includes functions that outputs a repack design constraint object
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*to XML format
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*******************************************************************/
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/* Headers from system goes first */
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#include <algorithm>
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#include <string>
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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 fabrickey library */
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#include "write_xml_repack_design_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 int write_xml_pin_constraint(
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std::fstream& fp, const RepackDesignConstraints& repack_design_constraints,
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const RepackDesignConstraintId& design_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 << "<pin_constraint";
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if (false ==
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repack_design_constraints.valid_design_constraint_id(design_constraint)) {
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return 1;
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}
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write_xml_attribute(
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fp, "pb_type",
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repack_design_constraints.pb_type(design_constraint).c_str());
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write_xml_attribute(
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fp, "pin",
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generate_xml_port_name(repack_design_constraints.pin(design_constraint))
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.c_str());
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write_xml_attribute(fp, "net",
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repack_design_constraints.net(design_constraint).c_str());
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fp << "/>"
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<< "\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 design 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_repack_design_constraints(
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const char* fname, const RepackDesignConstraints& repack_design_constraints) {
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vtr::ScopedStartFinishTimer timer("Write Repack Design 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 << "<repack_design_constraints>"
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<< "\n";
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int err_code = 0;
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/* Write region by region */
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for (const RepackDesignConstraintId& design_constraint :
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repack_design_constraints.design_constraints()) {
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/* Write constraint by constraint */
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if (RepackDesignConstraints::PIN_ASSIGNMENT ==
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repack_design_constraints.type(design_constraint)) {
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err_code = write_xml_pin_constraint(fp, repack_design_constraints,
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design_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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}
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/* Finish writing the root node */
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fp << "</repack_design_constraints>"
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<< "\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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