OpenFPGA/vpr7_x2p/vpr/SRC/fpga_x2p/base/module_manager.cpp

178 lines
6.3 KiB
C++
Raw Normal View History

2019-08-23 00:48:46 -05:00
/******************************************************************************
* Memember functions for data structure ModuleManager
******************************************************************************/
#include <string>
#include <algorithm>
#include "vtr_assert.h"
#include "circuit_library.h"
#include "module_manager.h"
/******************************************************************************
* Public Constructors
******************************************************************************/
2019-08-23 18:39:29 -05:00
/******************************************************************************
* Public Accessors
******************************************************************************/
2019-08-23 19:41:16 -05:00
/* Return number of modules */
size_t ModuleManager::num_modules() const {
return ids_.size();
}
2019-08-23 18:39:29 -05:00
/* Find the name of a module */
std::string ModuleManager::module_name(const ModuleId& module_id) const {
/* Validate the module_id */
VTR_ASSERT(valid_module_id(module_id));
return names_[module_id];
}
/* Get the string of a module port type */
std::string ModuleManager::module_port_type_str(const enum e_module_port_type& port_type) const {
std::array<const char*, NUM_MODULE_PORT_TYPES> MODULE_PORT_TYPE_STRING = {{"GLOBAL PORTS", "INOUT PORTS", "INPUT PORTS", "OUTPUT PORTS", "CLOCK PORTS"}};
return MODULE_PORT_TYPE_STRING[port_type];
}
/* Find a list of ports of a module by a given types */
std::vector<BasicPort> ModuleManager::module_ports_by_type(const ModuleId& module_id, const enum e_module_port_type& port_type) const {
/* Validate the module_id */
VTR_ASSERT(valid_module_id(module_id));
std::vector<BasicPort> ports;
for (const auto& port : port_ids_[module_id]) {
/* Skip unmatched ports */
if (port_type != port_types_[module_id][port]) {
continue;
}
ports.push_back(ports_[module_id][port]);
}
return ports;
}
/* Find the module id by a given name, return invalid if not found */
ModuleId ModuleManager::find_module(const std::string& name) const {
if (name_id_map_.find(name) != name_id_map_.end()) {
/* Find it, return the id */
return name_id_map_.at(name);
}
/* Not found, return an invalid id */
return ModuleId::INVALID();
}
/* Find the number of instances of a child module in the parent module */
size_t ModuleManager::num_instance(const ModuleId& parent_module, const ModuleId& child_module) const {
/* validate both module ids */
VTR_ASSERT(valid_module_id(parent_module));
VTR_ASSERT(valid_module_id(child_module));
/* Try to find the child_module in the children list of parent_module*/
for (size_t i = 0; i < children_[parent_module].size(); ++i) {
if (child_module == children_[parent_module][i]) {
/* Found, return the number of instances */
return num_child_instances_[parent_module][i];
}
}
/* Not found, return a zero */
return 0;
}
2019-08-23 00:48:46 -05:00
/******************************************************************************
* Public Mutators
******************************************************************************/
/* Add a module */
ModuleId ModuleManager::add_module(const std::string& name) {
/* Find if the name has been used. If used, return an invalid Id and report error! */
std::map<std::string, ModuleId>::iterator it = name_id_map_.find(name);
if (it != name_id_map_.end()) {
return ModuleId::INVALID();
}
/* Create an new id */
ModuleId module = ModuleId(ids_.size());
ids_.push_back(module);
/* Allocate other attributes */
names_.push_back(name);
parents_.emplace_back();
children_.emplace_back();
num_child_instances_.emplace_back();
2019-08-23 00:48:46 -05:00
port_ids_.emplace_back();
ports_.emplace_back();
port_types_.emplace_back();
/* Register in the name-to-id map */
name_id_map_[name] = module;
/* Build port lookup */
port_lookup_.emplace_back();
port_lookup_[module].resize(NUM_MODULE_PORT_TYPES);
/* Return the new id */
return module;
}
/* Add a port to a module */
ModulePortId ModuleManager::add_port(const ModuleId& module,
const BasicPort& port_info, const enum e_module_port_type& port_type) {
/* Validate the id of module */
VTR_ASSERT( valid_module_id(module) );
/* Add port and fill port attributes */
ModulePortId port = ModulePortId(port_ids_[module].size());
port_ids_[module].push_back(port);
ports_[module].push_back(port_info);
port_types_[module].push_back(port_type);
/* Update fast look-up for port */
port_lookup_[module][port_type].push_back(port);
return port;
}
/* Add a child module to a parent module */
void ModuleManager::add_child_module(const ModuleId& parent_module, const ModuleId& child_module) {
/* Validate the id of both parent and child modules */
VTR_ASSERT ( valid_module_id(parent_module) );
VTR_ASSERT ( valid_module_id(child_module) );
/* Try to find if the parent module is already in the list */
std::vector<ModuleId>::iterator parent_it = std::find(parents_[child_module].begin(), parents_[child_module].end(), parent_module);
if (parent_it == parents_[child_module].end()) {
/* Update the parent module of child module */
parents_[child_module].push_back(parent_module);
}
std::vector<ModuleId>::iterator child_it = std::find(children_[parent_module].begin(), children_[parent_module].end(), child_module);
2019-08-23 00:48:46 -05:00
if (child_it == children_[parent_module].end()) {
/* Update the child module of parent module */
children_[parent_module].push_back(child_module);
num_child_instances_[parent_module].push_back(1); /* By default give one */
} else {
/* Increase the counter of instances */
num_child_instances_[parent_module][child_it - children_[parent_module].begin()]++;
2019-08-23 00:48:46 -05:00
}
}
/******************************************************************************
* Private validators/invalidators
******************************************************************************/
bool ModuleManager::valid_module_id(const ModuleId& module) const {
return ( size_t(module) < ids_.size() ) && ( module == ids_[module] );
}
bool ModuleManager::valid_module_port_id(const ModuleId& module, const ModulePortId& port) const {
if (false == valid_module_id(module)) {
return false;
}
return ( size_t(port) < port_ids_[module].size() ) && ( port == port_ids_[module][port] );
}
void ModuleManager::invalidate_name2id_map() {
name_id_map_.clear();
}
void ModuleManager::invalidate_port_lookup() {
port_lookup_.clear();
}