static float
assign_blocks_and_route_net(t_type_ptr source_type,
int source_x_loc,
int source_y_loc,
t_type_ptr sink_type,
int sink_x_loc,
int sink_y_loc,
struct s_router_opts router_opts,
struct s_det_routing_arch det_routing_arch,
t_segment_inf * segment_inf,
t_timing_inf timing_inf)
{
/*places blocks at the specified locations, and routes a net between them */
/*returns the delay of this net */
boolean is_routeable;
int ipin;
float pres_fac, T_crit;
float net_delay_value;
int source_z_loc, sink_z_loc;
/* Only one block per tile */
source_z_loc = 0;
sink_z_loc = 0;
net_delay_value = IMPOSSIBLE; /*set to known value for debug purposes */
assign_locations(source_type, source_x_loc, source_y_loc, source_z_loc,
sink_type, sink_x_loc, sink_y_loc, sink_z_loc);
load_net_rr_terminals(rr_node_indices);
T_crit = 1;
pres_fac = 0; /* ignore congestion */
for(ipin = 1; ipin <= clb_net[NET_USED].num_sinks; ipin++)
net_slack[NET_USED][ipin] = 0;
is_routeable = timing_driven_route_net(NET_USED, pres_fac,
router_opts.max_criticality,
router_opts.criticality_exp,
router_opts.astar_fac,
router_opts.bend_cost,
net_slack[NET_USED],
pin_criticality, sink_order,
rt_node_of_sink, T_crit,
net_delay[NET_USED]);
net_delay_value = net_delay[NET_USED][NET_USED_SINK_BLOCK];
grid[source_x_loc][source_y_loc].usage = 0;
grid[source_x_loc][source_y_loc].blocks[source_z_loc] = EMPTY;
grid[sink_x_loc][sink_y_loc].usage = 0;
grid[sink_x_loc][sink_y_loc].blocks[sink_z_loc] = EMPTY;
return (net_delay_value);
}
static float assign_blocks_and_route_net(enum e_block_types source_type,
int source_x_loc, int source_y_loc, enum e_block_types sink_type,
int sink_x_loc, int sink_y_loc, struct s_router_opts router_opts,
struct s_det_routing_arch det_routing_arch, t_segment_inf *segment_inf,
t_timing_inf timing_inf) {
/*places blocks at the specified locations, and routes a net between them*/
/*returns the delay of this net */
boolean is_routeable;
int ipin;
float pres_fac, T_crit;
float net_delay_value;
int **rr_node_indices;
int nodes_per_chan;
net_delay_value = IMPOSSIBLE; /*set to known value for debug purposes*/
assign_locations(source_type, source_x_loc, source_y_loc, sink_type,
sink_x_loc, sink_y_loc);
rr_node_indices = get_rr_node_indices();
nodes_per_chan = get_nodes_per_chan();
load_net_rr_terminals(rr_node_indices, nodes_per_chan, num_direct, io_rat);
T_crit = 1;
pres_fac = 0; /* ignore congestion */
for (ipin = 1; ipin < net[NET_USED].num_pins; ipin++)
net_slack[NET_USED][ipin] = 0;
is_routeable = timing_driven_route_net(NET_USED, pres_fac,
router_opts.max_criticality, router_opts.criticality_exp,
router_opts.astar_fac, router_opts.bend_cost, net_slack[NET_USED],
pin_criticality, sink_order, rt_node_of_sink, T_crit,
net_delay[NET_USED]);
net_delay_value = net_delay[NET_USED][NET_USED_SINK_BLOCK];
if (!is_folding) {
clb[source_x_loc][source_y_loc].occ = 0;
clb[sink_x_loc][sink_y_loc].occ = 0;
} else {
//nionio added two lines
clb[source_x_loc][source_y_loc].occ = 0;
clb[sink_x_loc][sink_y_loc].occ = 0;
stage_clb[0][source_x_loc][source_y_loc].occ = 0;
stage_clb[0][sink_x_loc][sink_y_loc].occ = 0;
}
return (net_delay_value);
}
static float assign_blocks_and_route_net(t_type_ptr source_type,
int source_x_loc, int source_y_loc, t_type_ptr sink_type,
int sink_x_loc, int sink_y_loc, struct s_router_opts router_opts,
struct s_det_routing_arch det_routing_arch, t_segment_inf * segment_inf,
t_timing_inf timing_inf) {
/*places blocks at the specified locations, and routes a net between them */
/*returns the delay of this net */
float pres_fac, net_delay_value;
int source_z_loc, sink_z_loc;
/* Only one block per tile */
source_z_loc = 0;
sink_z_loc = 0;
net_delay_value = IMPOSSIBLE; /*set to known value for debug purposes */
assign_locations(source_type, source_x_loc, source_y_loc, source_z_loc,
sink_type, sink_x_loc, sink_y_loc, sink_z_loc);
load_net_rr_terminals(rr_node_indices);
pres_fac = 0; /* ignore congestion */
/* Route this net with a dummy criticality of 0 by calling
timing_driven_route_net with slacks set to NULL. */
timing_driven_route_net(NET_USED, pres_fac,
router_opts.max_criticality, router_opts.criticality_exp,
router_opts.astar_fac, router_opts.bend_cost,
pin_criticality, sink_order, rt_node_of_sink,
net_delay[NET_USED], NULL);
net_delay_value = net_delay[NET_USED][NET_USED_SINK_BLOCK];
grid[source_x_loc][source_y_loc].usage = 0;
grid[source_x_loc][source_y_loc].blocks[source_z_loc] = EMPTY;
grid[sink_x_loc][sink_y_loc].usage = 0;
grid[sink_x_loc][sink_y_loc].blocks[sink_z_loc] = EMPTY;
return (net_delay_value);
}
