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[Tool] Bug fix in the global tile connection by considering all the subtiles

This commit is contained in:
tangxifan 2021-01-10 11:52:38 -07:00
parent e58e1e86c2
commit 65b2fe3ab7
1 changed files with 31 additions and 27 deletions
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58
openfpga/src/fabric/build_top_module_connection.cpp
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@ -709,7 +709,7 @@ int build_top_module_global_net_for_given_grid_module(ModuleManager& module_mana
t_physical_tile_type_ptr physical_tile = grids[grid_coordinate.x()][grid_coordinate.y()].type; t_physical_tile_type_ptr physical_tile = grids[grid_coordinate.x()][grid_coordinate.y()].type;
/* Find the port of the grid module according to the tile annotation */ /* Find the port of the grid module according to the tile annotation */
int grid_pin_index = physical_tile->num_pins; int grid_pin_start_index = physical_tile->num_pins;
for (const t_physical_tile_port& tile_port : physical_tile->ports) { for (const t_physical_tile_port& tile_port : physical_tile->ports) {
if (std::string(tile_port.name) == tile_port_to_connect.get_name()) { if (std::string(tile_port.name) == tile_port_to_connect.get_name()) {
BasicPort ref_tile_port(tile_port.name, tile_port.num_pins); BasicPort ref_tile_port(tile_port.name, tile_port.num_pins);
@ -725,12 +725,12 @@ int build_top_module_global_net_for_given_grid_module(ModuleManager& module_mana
ref_tile_port.get_msb()); ref_tile_port.get_msb());
return CMD_EXEC_FATAL_ERROR; return CMD_EXEC_FATAL_ERROR;
} }
grid_pin_index = tile_port.absolute_first_pin_index; grid_pin_start_index = tile_port.absolute_first_pin_index;
break; break;
} }
} }
/* Ensure the pin index is valid */ /* Ensure the pin index is valid */
VTR_ASSERT(grid_pin_index < physical_tile->num_pins); VTR_ASSERT(grid_pin_start_index < physical_tile->num_pins);
/* Find the module name for this type of grid */ /* Find the module name for this type of grid */
std::string grid_module_name_prefix(GRID_MODULE_NAME_PREFIX); std::string grid_module_name_prefix(GRID_MODULE_NAME_PREFIX);
@ -739,31 +739,35 @@ int build_top_module_global_net_for_given_grid_module(ModuleManager& module_mana
VTR_ASSERT(true == module_manager.valid_module_id(grid_module)); VTR_ASSERT(true == module_manager.valid_module_id(grid_module));
size_t grid_instance = grid_instance_ids[grid_coordinate.x()][grid_coordinate.y()]; size_t grid_instance = grid_instance_ids[grid_coordinate.x()][grid_coordinate.y()];
/* Find the module pin */ VTR_ASSERT(1 == physical_tile->equivalent_sites.size());
size_t grid_pin_width = physical_tile->pin_width_offset[grid_pin_index];
size_t grid_pin_height = physical_tile->pin_height_offset[grid_pin_index];
std::vector<e_side> pin_sides = find_physical_tile_pin_side(physical_tile, grid_pin_index, border_side);
for (const e_side& pin_side : pin_sides) {
std::string grid_port_name = generate_grid_port_name(grid_coordinate,
grid_pin_width, grid_pin_height,
pin_side,
grid_pin_index, false);
ModulePortId grid_port_id = module_manager.find_module_port(grid_module, grid_port_name);
VTR_ASSERT(true == module_manager.valid_module_port_id(grid_module, grid_port_id));
/* Build nets */ /* A tile may consist of multiple subtile, connect to all the pins from sub tiles */
add_module_bus_nets(module_manager, top_module, for (int iz = 0; iz < physical_tile->capacity; ++iz) {
top_module, 0, top_module_port, /* TODO: This should be replaced by using a pin mapping data structure from physical tile! */
grid_module, grid_instance, grid_port_id); int grid_pin_index = grid_pin_start_index + iz * physical_tile->equivalent_sites[0]->pb_type->num_pins;
BasicPort src_port = module_manager.module_port(top_module, top_module_port); /* Find the module pin */
for (size_t pin_id = 0; pin_id < tile_port_to_connect.pins().size(); ++pin_id) { size_t grid_pin_width = physical_tile->pin_width_offset[grid_pin_index];
ModuleNetId net = create_module_source_pin_net(module_manager, top_module, size_t grid_pin_height = physical_tile->pin_height_offset[grid_pin_index];
top_module, 0, std::vector<e_side> pin_sides = find_physical_tile_pin_side(physical_tile, grid_pin_index, border_side);
top_module_port, src_port.pins()[pin_id]); for (const e_side& pin_side : pin_sides) {
VTR_ASSERT(ModuleNetId::INVALID() != net); std::string grid_port_name = generate_grid_port_name(grid_coordinate,
grid_pin_width, grid_pin_height,
/* Configure the net sink */ pin_side,
module_manager.add_module_net_sink(top_module, net, grid_module, grid_instance, grid_port_id, tile_port_to_connect.pins()[pin_id]); grid_pin_index, false);
ModulePortId grid_port_id = module_manager.find_module_port(grid_module, grid_port_name);
VTR_ASSERT(true == module_manager.valid_module_port_id(grid_module, grid_port_id));
/* Build nets */
BasicPort src_port = module_manager.module_port(top_module, top_module_port);
for (size_t pin_id = 0; pin_id < tile_port_to_connect.pins().size(); ++pin_id) {
ModuleNetId net = create_module_source_pin_net(module_manager, top_module,
top_module, 0,
top_module_port, src_port.pins()[pin_id]);
VTR_ASSERT(ModuleNetId::INVALID() != net);
/* Configure the net sink */
module_manager.add_module_net_sink(top_module, net, grid_module, grid_instance, grid_port_id, tile_port_to_connect.pins()[pin_id]);
}
} }
} }