89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
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/********************************************************************
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* This file includes the top-level function of this library
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* which reads an XML of a fabric key to the associated
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* data structures
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*******************************************************************/
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#include <string>
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/* Headers from pugi XML library */
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#include "pugixml.hpp"
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#include "pugixml_util.hpp"
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/* Headers from vtr util library */
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#include "vtr_assert.h"
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#include "vtr_time.h"
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/* Headers from libarchfpga */
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#include "arch_error.h"
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#include "read_xml_util.h"
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#include "read_xml_fabric_key.h"
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/********************************************************************
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* Parse XML codes of a <key> to an object of FabricKey
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*******************************************************************/
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static
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void read_xml_component_key(pugi::xml_node& xml_component_key,
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const pugiutil::loc_data& loc_data,
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FabricKey& fabric_key) {
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/* Find the id of component key */
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const size_t& id = get_attribute(xml_component_key, "id", loc_data).as_int();
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const std::string& name = get_attribute(xml_component_key, "name", loc_data).as_string();
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const size_t& value = get_attribute(xml_component_key, "value", loc_data).as_int();
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if (false == fabric_key.valid_key_id(FabricKeyId(id))) {
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archfpga_throw(loc_data.filename_c_str(), loc_data.line(xml_component_key),
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"Invalid 'id' attribute '%d'\n",
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id);
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}
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VTR_ASSERT_SAFE(true == fabric_key.valid_key_id(FabricKeyId(id)));
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fabric_key.set_key_name(FabricKeyId(id), name);
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fabric_key.set_key_value(FabricKeyId(id), value);
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}
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/********************************************************************
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* Parse XML codes about <fabric> to an object of FabricKey
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*******************************************************************/
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FabricKey read_xml_fabric_key(const char* key_fname) {
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vtr::ScopedStartFinishTimer timer("Read Fabric Key");
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FabricKey fabric_key;
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/* Parse the file */
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pugi::xml_document doc;
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pugiutil::loc_data loc_data;
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try {
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loc_data = pugiutil::load_xml(doc, key_fname);
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pugi::xml_node xml_root = get_single_child(doc, "fabric_key", loc_data);
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size_t num_keys = std::distance(xml_root.children().begin(), xml_root.children().end());
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fabric_key.reserve_keys(num_keys);
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for (size_t ikey = 0; ikey < num_keys; ++ikey) {
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fabric_key.create_key();
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}
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/* Iterate over the children under this node,
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* each child should be named after circuit_model
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*/
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for (pugi::xml_node xml_key : xml_root.children()) {
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/* Error out if the XML child has an invalid name! */
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if (xml_key.name() != std::string("key")) {
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bad_tag(xml_key, loc_data, xml_root, {"key"});
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}
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read_xml_component_key(xml_key, loc_data, fabric_key);
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}
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} catch (pugiutil::XmlError& e) {
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archfpga_throw(key_fname, e.line(),
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"%s", e.what());
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}
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return fabric_key;
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}
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