[core] refactor
This commit is contained in:
parent
415fd9a8fa
commit
f009180bbf
|
@ -293,6 +293,72 @@ static int route_spine_taps(
|
||||||
return CMD_EXEC_SUCCESS;
|
return CMD_EXEC_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/********************************************************************
|
||||||
|
* Recursively route a clock spine on an existing routing resource graph
|
||||||
|
*******************************************************************/
|
||||||
|
static int route_spine_intermediate_drivers(
|
||||||
|
VprRoutingAnnotation& vpr_routing_annotation,
|
||||||
|
const RRGraphView& rr_graph, const RRClockSpatialLookup& clk_rr_lookup,
|
||||||
|
const vtr::vector<RRNodeId, ClusterNetId>& rr_node_gnets,
|
||||||
|
const std::map<ClockTreePinId, ClusterNetId>& tree2clk_pin_map,
|
||||||
|
const ClockNetwork& clk_ntwk, const ClockTreeId& clk_tree,
|
||||||
|
const ClockSpineId& curr_spine, const ClockTreePinId& curr_pin,
|
||||||
|
const vtr::Point<int>& des_coord, const bool& verbose) {
|
||||||
|
Direction des_spine_direction = clk_ntwk.spine_direction(curr_spine);
|
||||||
|
ClockLevelId des_spine_level = clk_ntwk.spine_level(curr_spine);
|
||||||
|
RRNodeId des_node = clk_rr_lookup.find_node(
|
||||||
|
des_coord.x(), des_coord.y(), clk_tree, des_spine_level, curr_pin,
|
||||||
|
des_spine_direction, verbose);
|
||||||
|
VTR_ASSERT(rr_graph.valid_node(des_node));
|
||||||
|
|
||||||
|
/* Internal drivers may appear at the intermediate. Check if there are
|
||||||
|
* any defined and related rr_node found as incoming edges. If the
|
||||||
|
* global net is mapped to the internal driver, use it as the previous
|
||||||
|
* node */
|
||||||
|
size_t use_int_driver = 0;
|
||||||
|
if (!clk_ntwk
|
||||||
|
.spine_intermediate_drivers_by_routing_track(curr_spine, des_coord)
|
||||||
|
.empty() &&
|
||||||
|
tree2clk_pin_map.find(curr_pin) != tree2clk_pin_map.end()) {
|
||||||
|
VTR_LOGV(verbose,
|
||||||
|
"Finding intermediate drivers at (%d, %d) for spine '%s'\n",
|
||||||
|
des_coord.x(), des_coord.y(),
|
||||||
|
clk_ntwk.spine_name(curr_spine).c_str());
|
||||||
|
for (RREdgeId cand_edge : rr_graph.node_in_edges(des_node)) {
|
||||||
|
RRNodeId opin_node = rr_graph.edge_src_node(cand_edge);
|
||||||
|
if (OPIN != rr_graph.node_type(opin_node)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (rr_node_gnets[opin_node] != tree2clk_pin_map.at(curr_pin)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
/* This is the opin node we need, use it as the internal driver */
|
||||||
|
vpr_routing_annotation.set_rr_node_prev_node(rr_graph, des_node,
|
||||||
|
opin_node);
|
||||||
|
vpr_routing_annotation.set_rr_node_net(opin_node,
|
||||||
|
tree2clk_pin_map.at(curr_pin));
|
||||||
|
vpr_routing_annotation.set_rr_node_net(des_node,
|
||||||
|
tree2clk_pin_map.at(curr_pin));
|
||||||
|
use_int_driver++;
|
||||||
|
VTR_LOGV(verbose,
|
||||||
|
"Routed intermediate point of spine '%s' at "
|
||||||
|
"(%lu, %lu) using internal driver\n",
|
||||||
|
clk_ntwk.spine_name(curr_spine).c_str(), des_coord.x(),
|
||||||
|
des_coord.y());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (use_int_driver > 1) {
|
||||||
|
VTR_LOG_ERROR(
|
||||||
|
"Found %lu internal drivers for the intermediate point (%lu, %lu) "
|
||||||
|
"for "
|
||||||
|
"spine '%s'!\n Expect only 1!\n",
|
||||||
|
use_int_driver, des_coord.x(), des_coord.y(),
|
||||||
|
clk_ntwk.spine_name(curr_spine).c_str());
|
||||||
|
}
|
||||||
|
return use_int_driver;
|
||||||
|
}
|
||||||
|
|
||||||
/********************************************************************
|
/********************************************************************
|
||||||
* Recursively route a clock spine on an existing routing resource graph
|
* Recursively route a clock spine on an existing routing resource graph
|
||||||
* The strategy is to route spine one by one
|
* The strategy is to route spine one by one
|
||||||
|
@ -428,56 +494,11 @@ static int rec_expand_and_route_clock_spine(
|
||||||
/* Skip the first stop */
|
/* Skip the first stop */
|
||||||
if (icoord == spine_coords.size() - 1) {
|
if (icoord == spine_coords.size() - 1) {
|
||||||
vtr::Point<int> des_coord = spine_coords[icoord];
|
vtr::Point<int> des_coord = spine_coords[icoord];
|
||||||
Direction des_spine_direction = clk_ntwk.spine_direction(curr_spine);
|
|
||||||
ClockLevelId des_spine_level = clk_ntwk.spine_level(curr_spine);
|
|
||||||
RRNodeId des_node = clk_rr_lookup.find_node(
|
|
||||||
des_coord.x(), des_coord.y(), clk_tree, des_spine_level, curr_pin,
|
|
||||||
des_spine_direction, verbose);
|
|
||||||
VTR_ASSERT(rr_graph.valid_node(des_node));
|
|
||||||
|
|
||||||
/* Internal drivers may appear at the intermediate. Check if there are
|
int use_int_driver = route_spine_intermediate_drivers(vpr_routing_annotation,
|
||||||
* any defined and related rr_node found as incoming edges. If the
|
rr_graph, clk_rr_lookup, rr_node_gnets, tree2clk_pin_map,
|
||||||
* global net is mapped to the internal driver, use it as the previous
|
clk_ntwk, clk_tree, curr_spine, curr_pin, des_coord, verbose);
|
||||||
* node */
|
|
||||||
size_t use_int_driver = 0;
|
|
||||||
if (!clk_ntwk
|
|
||||||
.spine_intermediate_drivers_by_routing_track(curr_spine, des_coord)
|
|
||||||
.empty() &&
|
|
||||||
tree2clk_pin_map.find(curr_pin) != tree2clk_pin_map.end()) {
|
|
||||||
VTR_LOGV(verbose,
|
|
||||||
"Finding intermediate drivers at (%d, %d) for spine '%s'\n",
|
|
||||||
des_coord.x(), des_coord.y(),
|
|
||||||
clk_ntwk.spine_name(curr_spine).c_str());
|
|
||||||
for (RREdgeId cand_edge : rr_graph.node_in_edges(des_node)) {
|
|
||||||
RRNodeId opin_node = rr_graph.edge_src_node(cand_edge);
|
|
||||||
if (OPIN != rr_graph.node_type(opin_node)) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (rr_node_gnets[opin_node] != tree2clk_pin_map.at(curr_pin)) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
/* This is the opin node we need, use it as the internal driver */
|
|
||||||
vpr_routing_annotation.set_rr_node_prev_node(rr_graph, des_node,
|
|
||||||
opin_node);
|
|
||||||
vpr_routing_annotation.set_rr_node_net(opin_node,
|
|
||||||
tree2clk_pin_map.at(curr_pin));
|
|
||||||
vpr_routing_annotation.set_rr_node_net(des_node,
|
|
||||||
tree2clk_pin_map.at(curr_pin));
|
|
||||||
use_int_driver++;
|
|
||||||
VTR_LOGV(verbose,
|
|
||||||
"Routed intermediate point of spine '%s' at "
|
|
||||||
"(%lu, %lu) using internal driver\n",
|
|
||||||
clk_ntwk.spine_name(curr_spine).c_str(), des_coord.x(),
|
|
||||||
des_coord.y());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (use_int_driver > 1) {
|
if (use_int_driver > 1) {
|
||||||
VTR_LOG_ERROR(
|
|
||||||
"Found %lu internal drivers for the intermediate point (%lu, %lu) "
|
|
||||||
"for "
|
|
||||||
"spine '%s'!\n Expect only 1!\n",
|
|
||||||
use_int_driver, des_coord.x(), des_coord.y(),
|
|
||||||
clk_ntwk.spine_name(curr_spine).c_str());
|
|
||||||
return CMD_EXEC_FATAL_ERROR;
|
return CMD_EXEC_FATAL_ERROR;
|
||||||
}
|
}
|
||||||
continue;
|
continue;
|
||||||
|
@ -507,43 +528,10 @@ static int rec_expand_and_route_clock_spine(
|
||||||
* any defined and related rr_node found as incoming edges. If the
|
* any defined and related rr_node found as incoming edges. If the
|
||||||
* global net is mapped to the internal driver, use it as the previous
|
* global net is mapped to the internal driver, use it as the previous
|
||||||
* node */
|
* node */
|
||||||
size_t use_int_driver = 0;
|
int use_int_driver = route_spine_intermediate_drivers(vpr_routing_annotation,
|
||||||
if (!clk_ntwk
|
rr_graph, clk_rr_lookup, rr_node_gnets, tree2clk_pin_map,
|
||||||
.spine_intermediate_drivers_by_routing_track(curr_spine, des_coord)
|
clk_ntwk, clk_tree, curr_spine, curr_pin, des_coord, verbose);
|
||||||
.empty() &&
|
|
||||||
tree2clk_pin_map.find(curr_pin) != tree2clk_pin_map.end()) {
|
|
||||||
VTR_LOGV(
|
|
||||||
verbose, "Finding intermediate drivers at (%d, %d) for spine '%s'\n",
|
|
||||||
des_coord.x(), des_coord.y(), clk_ntwk.spine_name(curr_spine).c_str());
|
|
||||||
for (RREdgeId cand_edge : rr_graph.node_in_edges(des_node)) {
|
|
||||||
RRNodeId opin_node = rr_graph.edge_src_node(cand_edge);
|
|
||||||
if (OPIN != rr_graph.node_type(opin_node)) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (rr_node_gnets[opin_node] != tree2clk_pin_map.at(curr_pin)) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
/* This is the opin node we need, use it as the internal driver */
|
|
||||||
vpr_routing_annotation.set_rr_node_prev_node(rr_graph, des_node,
|
|
||||||
opin_node);
|
|
||||||
vpr_routing_annotation.set_rr_node_net(opin_node,
|
|
||||||
tree2clk_pin_map.at(curr_pin));
|
|
||||||
vpr_routing_annotation.set_rr_node_net(des_node,
|
|
||||||
tree2clk_pin_map.at(curr_pin));
|
|
||||||
use_int_driver++;
|
|
||||||
VTR_LOGV(verbose,
|
|
||||||
"Routed intermediate point of spine '%s' at "
|
|
||||||
"(%lu, %lu) using internal driver\n",
|
|
||||||
clk_ntwk.spine_name(curr_spine).c_str(), des_coord.x(),
|
|
||||||
des_coord.y());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (use_int_driver > 1) {
|
if (use_int_driver > 1) {
|
||||||
VTR_LOG_ERROR(
|
|
||||||
"Found %lu internal drivers for the intermediate point (%lu, %lu) for "
|
|
||||||
"spine '%s'!\n Expect only 1!\n",
|
|
||||||
use_int_driver, des_coord.x(), des_coord.y(),
|
|
||||||
clk_ntwk.spine_name(curr_spine).c_str());
|
|
||||||
return CMD_EXEC_FATAL_ERROR;
|
return CMD_EXEC_FATAL_ERROR;
|
||||||
}
|
}
|
||||||
if (use_int_driver == 1) {
|
if (use_int_driver == 1) {
|
||||||
|
|
Loading…
Reference in New Issue