riscv
/
OpenFPGA
mirror of https://github.com/lnis-uofu/OpenFPGA.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[core] debugging

This commit is contained in:
tangxifan 2024-06-28 17:16:33 -07:00
parent e0b9f7860b
commit 0de3ff3eb8
1 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
openfpga/src/annotation/route_clock_rr_graph.cpp
View File

@ -185,8 +185,8 @@ static int route_spine_taps(
size_t spine_tap_cnt = 0;
/* Route the spine-to-IPIN connections (only for the last level) */
if (clk_ntwk.is_last_level(ispine)) {
VTR_LOGV(verbose, "Routing clock taps of spine '%s'...\n",
clk_ntwk.spine_name(ispine).c_str());
VTR_LOGV(verbose, "Routing clock taps of spine '%s' for pin '%d' of tree '%s'...\n",
clk_ntwk.spine_name(ispine).c_str(), size_t(ipin), clk_ntwk.tree_name(clk_tree).c_str());
/* Connect to any fan-out node which is IPIN */
for (size_t icoord = 0; icoord < spine_coords.size(); ++icoord) {
vtr::Point<int> src_coord = spine_coords[icoord];
@ -198,6 +198,8 @@ static int route_spine_taps(
for (RREdgeId edge : rr_graph.edge_range(src_node)) {
RRNodeId des_node = rr_graph.edge_sink_node(edge);
if (rr_graph.node_type(des_node) == IPIN) {
VTR_LOGV(verbose, "Trying to route to IPIN '%s'\n",
rr_graph.node_coordinate_to_string(des_node).c_str());
/* Check if the IPIN is mapped, if not, do not connect */
/* if the IPIN is mapped, only connect when net mapping is
* expected */
@ -393,6 +395,13 @@ static int rec_expand_and_route_clock_spine(
clk_ntwk.spine_name(curr_spine).c_str(), src_coord.x(),
src_coord.y(), des_coord.x(), des_coord.y());
vpr_routing_annotation.set_rr_node_prev_node(rr_graph, des_node, src_node);
/* It could happen that there is no net mapped some clock pin, skip the
* net mapping */
if (tree2clk_pin_map.find(curr_pin) != tree2clk_pin_map.end()) {
vpr_routing_annotation.set_rr_node_net(src_node, tree2clk_pin_map.at(curr_pin));
vpr_routing_annotation.set_rr_node_net(des_node, tree2clk_pin_map.at(curr_pin));
}
prev_stop_usage = true;
curr_spine_usage = true;
}