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added duplicated pin support to build top module

This commit is contained in:
tangxifan 2019-12-26 15:02:27 -07:00
parent a28fc3013c
commit 7eb7be2084
1 changed files with 30 additions and 17 deletions
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47
vpr7_x2p/vpr/SRC/fpga_x2p/module_builder/build_top_module_connection.cpp
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@ -27,23 +27,24 @@
* | | | | * | | | |
* | Grid | | Grid | * | Grid | | Grid |
* | [x][y+1] | | [x+1][y+1] | * | [x][y+1] | | [x+1][y+1] |
* | | | | * | |----+ +----| |
* +------------+ +------------+ * +------------+ | | +------------+
* | | * | v v |
* | +------------+ | * | +------------+ |
* +------>| |<-----+ * +------>| |<-----+
* | Switch | * | Switch |
* | Block | * | Block |
* +------>| [x][y] |<-----+ * +------>| [x][y] |<-----+
* | +------------+ | * | +------------+ |
* | | * | ^ ^ |
* | | * | | | |
* +------------+ +------------+ * +------------+ | | +------------+
* | | | | * | |----+ +-----| |
* | Grid | | Grid | * | Grid | | Grid |
* | [x][y] | | [x+1][y] | * | [x][y] | | [x+1][y] |
* | | | | * | | | |
* +------------+ +------------+ * +------------+ +------------+
* *
*******************************************************************/ *******************************************************************/
static static
@ -132,25 +133,27 @@ void add_top_module_nets_connect_grids_and_sb(ModuleManager& module_manager,
* *
* In particular, this function considers the duplicated output pins of grids * In particular, this function considers the duplicated output pins of grids
* when creating the connecting nets. * when creating the connecting nets.
* The follow figure shows the different pin postfix to be considered when
* connecting the grid pins to SB inputs
* *
* +------------+ +------------+ * +------------+ +------------+
* | | | | * | | | |
* | Grid | | Grid | * | Grid | | Grid |
* | [x][y+1] | | [x+1][y+1] | * | [x][y+1] |lower lower| [x+1][y+1] |
* | | | | * | |----+ +----| |
* +------------+ +------------+ * +------------+ | | +------------+
* | | * |lower v v |upper
* | +------------+ | * | +------------+ |
* +------>| |<-----+ * +------>| |<-----+
* | Switch | * | Switch |
* | Block | * | Block |
* +------>| [x][y] |<-----+ * +------>| [x][y] |<-----+
* | +------------+ | * | +------------+ |
* | | * | ^ ^ |
* | | * |lower | | |upper
* +------------+ +------------+ * +------------+ | | +------------+
* | | | | * | |----+ +-----| |
* | Grid | | Grid | * | Grid |upper upper | Grid |
* | [x][y] | | [x+1][y] | * | [x][y] | | [x+1][y] |
* | | | | * | | | |
* +------------+ +------------+ * +------------+ +------------+
@ -189,6 +192,16 @@ void add_top_module_nets_connect_grids_and_sb_with_duplicated_pins(ModuleManager
VTR_ASSERT(true == module_manager.valid_module_id(sink_sb_module)); VTR_ASSERT(true == module_manager.valid_module_id(sink_sb_module));
size_t sink_sb_instance = sb_instance_ids[instance_sb_coordinate.x()][instance_sb_coordinate.y()]; size_t sink_sb_instance = sb_instance_ids[instance_sb_coordinate.x()][instance_sb_coordinate.y()];
/* Create a truth table for the postfix to be used regarding to the different side of switch blocks */
std::map<e_side, bool> sb_side2postfix_map;
/* Boolean variable "true" indicates the upper postfix in naming functions
* Boolean variable "false" indicates the lower postfix in naming functions
*/
sb_side2postfix_map[TOP] = false;
sb_side2postfix_map[RIGHT] = true;
sb_side2postfix_map[BOTTOM] = true;
sb_side2postfix_map[LEFT] = false;
/* Connect grid output pins (OPIN) to switch block grid pins */ /* Connect grid output pins (OPIN) to switch block grid pins */
for (size_t side = 0; side < module_sb.get_num_sides(); ++side) { for (size_t side = 0; side < module_sb.get_num_sides(); ++side) {
Side side_manager(side); Side side_manager(side);
@ -202,7 +215,7 @@ void add_top_module_nets_connect_grids_and_sb_with_duplicated_pins(ModuleManager
size_t src_grid_instance = grid_instance_ids[grid_coordinate.x()][grid_coordinate.y()]; size_t src_grid_instance = grid_instance_ids[grid_coordinate.x()][grid_coordinate.y()];
size_t src_grid_pin_index = rr_gsb.get_opin_node(side_manager.get_side(), inode)->ptc_num; size_t src_grid_pin_index = rr_gsb.get_opin_node(side_manager.get_side(), inode)->ptc_num;
size_t src_grid_pin_height = find_grid_pin_height(grids, grid_coordinate, src_grid_pin_index); size_t src_grid_pin_height = find_grid_pin_height(grids, grid_coordinate, src_grid_pin_index);
std::string src_grid_port_name = generate_grid_port_name(grid_coordinate, src_grid_pin_height, rr_gsb.get_opin_node_grid_side(side_manager.get_side(), inode), src_grid_pin_index, false); std::string src_grid_port_name = generate_grid_duplicated_port_name(src_grid_pin_height, rr_gsb.get_opin_node_grid_side(side_manager.get_side(), inode), src_grid_pin_index, sb_side2postfix_map[side_manager.get_side()]);
ModulePortId src_grid_port_id = module_manager.find_module_port(src_grid_module, src_grid_port_name); ModulePortId src_grid_port_id = module_manager.find_module_port(src_grid_module, src_grid_port_name);
VTR_ASSERT(true == module_manager.valid_module_port_id(src_grid_module, src_grid_port_id)); VTR_ASSERT(true == module_manager.valid_module_port_id(src_grid_module, src_grid_port_id));
BasicPort src_grid_port = module_manager.module_port(src_grid_module, src_grid_port_id); BasicPort src_grid_port = module_manager.module_port(src_grid_module, src_grid_port_id);