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add routing track naming function for unique modules

This commit is contained in:
tangxifan 2019-12-24 14:55:17 -07:00
parent a36cb676c2
commit 43e78585ba
2 changed files with 49 additions and 0 deletions
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45
vpr7_x2p/vpr/SRC/fpga_x2p/base/fpga_x2p_naming.cpp
View File

@ -244,6 +244,8 @@ std::string generate_routing_channel_module_name(const t_rr_type& chan_type,
/*********************************************************************
* Generate the port name for a routing track with a given coordinate
* and port direction
* This function is mainly used in naming routing tracks in the top-level netlists
* where we do need unique names (with coordinates) for each routing tracks
*********************************************************************/
std::string generate_routing_track_port_name(const t_rr_type& chan_type,
const vtr::Point<size_t>& coordinate,
@ -281,6 +283,49 @@ std::string generate_routing_track_port_name(const t_rr_type& chan_type,
return port_name;
}
/*********************************************************************
* Generate the port name for a routing track in a module
* This function is created to ease the PnR for each unique routing module
* So it is mainly used when creating non-top-level modules!
* Note that this function does not include any port coordinate
* so that each module can be instanciated across the fabric
* Even though, port direction must be provided!
*********************************************************************/
std::string generate_routing_module_track_port_name(const t_rr_type& chan_type,
const size_t& track_id,
const PORTS& port_direction) {
/* Channel must be either CHANX or CHANY */
VTR_ASSERT( (CHANX == chan_type) || (CHANY == chan_type) );
/* Create a map between chan_type and module_prefix */
std::map<t_rr_type, std::string> module_prefix_map;
/* TODO: use a constexpr string to replace the fixed name? */
module_prefix_map[CHANX] = std::string("chanx");
module_prefix_map[CHANY] = std::string("chany");
std::string port_name = module_prefix_map[chan_type];
port_name += std::string("_");
switch (port_direction) {
case OUT_PORT:
port_name += std::string("out_");
break;
case IN_PORT:
port_name += std::string("in_");
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,
"(File: %s [LINE%d]) Invalid direction of chan_rr_node!\n",
__FILE__, __LINE__);
exit(1);
}
/* Add the track id to the port name */
port_name += std::to_string(track_id) + std::string("_");
return port_name;
}
/*********************************************************************
* Generate the middle output port name for a routing track
* with a given coordinate

4
vpr7_x2p/vpr/SRC/fpga_x2p/base/fpga_x2p_naming.h
View File

@ -69,6 +69,10 @@ std::string generate_routing_track_port_name(const t_rr_type& chan_type,
const size_t& track_id,
const PORTS& port_direction);
std::string generate_routing_module_track_port_name(const t_rr_type& chan_type,
const size_t& track_id,
const PORTS& port_direction);
std::string generate_routing_track_middle_output_port_name(const t_rr_type& chan_type,
const vtr::Point<size_t>& coordinate,
const size_t& track_id);