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[core] dev

This commit is contained in:
tangxifan 2023-02-26 23:10:50 -08:00
parent 009d711ba5
commit cae05a14e1
1 changed files with 16 additions and 4 deletions
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20
openfpga/src/annotation/append_clock_rr_graph.cpp
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@ -168,23 +168,33 @@ static void add_rr_graph_clock_nodes(RRGraphBuilder& rr_graph_builder,
* Add edges for the clock nodes in a given connection block
*******************************************************************/
static void add_rr_graph_block_clock_edges(
RRGraphBuilder& rr_graph_builder, const RRClockSpatialLookup& clk_rr_lookup,
RRGraphBuilder& rr_graph_builder, size_t& num_edges_to_create, const RRClockSpatialLookup& clk_rr_lookup,
const RRGraphView& rr_graph_view, const ClockNetwork& clk_ntwk,
const vtr::Point<size_t> chan_coord, const t_rr_type& chan_type) {
size_t edge_count = 0;
for (auto itree : clk_ntwk.trees()) {
for (auto ilvl : clk_ntwk.levels(itree)) {
for (auto node_dir : {Direction::INC, Direction::DEC}) {
for (auto ipin : clk_ntwk.pins(itree, ilvl, chan_type, node_dir)) {
/* find the driver clock node through lookup */
RRNodeId driver_node = clk_rr_lookup.find_node(
RRNodeId src_node = clk_rr_lookup.find_node(
chan_coord.x(), chan_coord.y(), itree, ilvl, ipin, node_dir);
VTR_ASSERT(driver_node);
/* TODO: find the fan-out clock node through lookup */
for (RRNodeId des_node : find_clock_track2track_node(chan_coord, itree, ilvl, ipin, node_dir)) {
/* TODO: Create edges */
VTR_ASSERT(des_node);
rr_graph_builder.create_edge(src_node, des_node, clk_ntwk.default_switch());
edge_count++;
}
/* TODO: If this is the clock node at the last level of the tree, should drive some grid IPINs which are clocks */
}
}
}
}
/* Allocate edges */
rr_graph_builder.build_edges(true);
num_edges_to_create += edge_count;
}
/********************************************************************
@ -208,6 +218,7 @@ static void add_rr_graph_block_clock_edges(
* clk0_lvl1_chany[1][1]
*******************************************************************/
static void add_rr_graph_clock_edges(RRGraphBuilder& rr_graph_builder,
size_t& num_edges_to_create,
const RRClockSpatialLookup& clk_rr_lookup,
const RRGraphView& rr_graph_view,
const DeviceGrid& grids,
@ -223,7 +234,7 @@ static void add_rr_graph_clock_edges(RRGraphBuilder& rr_graph_builder,
(false == is_chanx_exist(grids, chanx_coord))) {
continue;
}
add_rr_graph_block_clock_edges(rr_graph_builder, clk_rr_lookup,
add_rr_graph_block_clock_edges(rr_graph_builder, num_edges_to_create, clk_rr_lookup,
rr_graph_view, clk_ntwk, chanx_coord,
CHANX);
}
@ -239,7 +250,7 @@ static void add_rr_graph_clock_edges(RRGraphBuilder& rr_graph_builder,
(false == is_chany_exist(grids, chany_coord))) {
continue;
}
add_rr_graph_block_clock_edges(rr_graph_builder, clk_rr_lookup,
add_rr_graph_block_clock_edges(rr_graph_builder, num_edges_to_create, clk_rr_lookup,
rr_graph_view, clk_ntwk, chany_coord,
CHANY);
}
@ -294,6 +305,7 @@ int append_clock_rr_graph(DeviceContext& vpr_device_ctx,
size_t num_clock_edges = 0;
add_rr_graph_clock_edges(
vpr_device_ctx.rr_graph_builder,
num_clock_edges,
static_cast<const RRClockSpatialLookup&>(clk_rr_lookup),
vpr_device_ctx.rr_graph, vpr_device_ctx.grid,
vpr_device_ctx.arch->through_channel, clk_ntwk);