[WIP] Reorganize place timing files

libs/libarchfpga/src/arch_check.cpp

@@ -32,7 +32,7 @@ bool check_model_clocks(t_model* model, const char* file, uint32_t line) {
 bool check_model_combinational_sinks(const t_model* model, const char* file, uint32_t line) {
     //Outputs should have no combinational sinks
     for (t_model_ports* port = model->outputs; port != nullptr; port = port->next) {
-        if (port->combinational_sink_ports.size() != 0) {
+        if (!port->combinational_sink_ports.empty()) {
             archfpga_throw(file, line,
                            "Model '%s' output port '%s' can not have combinational sink ports",
                            model->name, port->name);
@@ -114,9 +114,9 @@ void check_port_direct_mappings(t_physical_tile_type_ptr physical_tile, t_sub_ti
     }
 
     for (auto pin_map : pin_direct_map) {
-        auto block_port = get_port_by_pin(logical_block, pin_map.first.pin);
+        const t_port* block_port = logical_block->get_port_by_pin(pin_map.first.pin);
 
-        auto sub_tile_port = get_port_by_pin(sub_tile, pin_map.second.pin);
+        const t_physical_tile_port* sub_tile_port = sub_tile->get_port_by_pin(pin_map.second.pin);
 
         VTR_ASSERT(block_port != nullptr);
         VTR_ASSERT(sub_tile_port != nullptr);

libs/libarchfpga/src/arch_util.h

@@ -23,8 +23,8 @@ class InstPort {
 
     InstPort() = default;
     InstPort(const std::string& str);
-    std::string instance_name() const { return instance_.name; }
-    std::string port_name() const { return port_.name; }
+    const std::string& instance_name() const { return instance_.name; }
+    const std::string& port_name() const { return port_.name; }
 
     int instance_low_index() const { return instance_.low_idx; }
     int instance_high_index() const { return instance_.high_idx; }
@@ -40,7 +40,7 @@ class InstPort {
 
   private:
     struct name_index {
-        std::string name = "";
+        std::string name;
         int low_idx = UNSPECIFIED;
         int high_idx = UNSPECIFIED;
     };

libs/libarchfpga/src/physical_types.cpp

@@ -136,6 +136,56 @@ bool t_physical_tile_type::is_empty() const {
     return name == std::string(EMPTY_BLOCK_NAME);
 }
 
+int t_physical_tile_type::find_pin(std::string_view port_name, int pin_index_in_port) const {
+    int ipin = OPEN;
+    int port_base_ipin = 0;
+    int num_port_pins = OPEN;
+    int pin_offset = 0;
+
+    bool port_found = false;
+    for (const t_sub_tile& sub_tile : sub_tiles) {
+        for (const t_physical_tile_port& port : sub_tile.ports) {
+            if (port_name == port.name) {
+                port_found = true;
+                num_port_pins = port.num_pins;
+                break;
+            }
+
+            port_base_ipin += port.num_pins;
+        }
+
+        if (port_found) {
+            break;
+        }
+
+        port_base_ipin = 0;
+        pin_offset += sub_tile.num_phy_pins;
+    }
+
+    if (num_port_pins != OPEN) {
+        VTR_ASSERT(pin_index_in_port < num_port_pins);
+
+        ipin = port_base_ipin + pin_index_in_port + pin_offset;
+    }
+
+    return ipin;
+}
+
+int t_physical_tile_type::find_pin_class(std::string_view port_name, int pin_index_in_port, e_pin_type pin_type) const {
+    int iclass = OPEN;
+
+    int ipin = find_pin(port_name, pin_index_in_port);
+
+    if (ipin != OPEN) {
+        iclass = pin_class[ipin];
+
+        if (iclass != OPEN) {
+            VTR_ASSERT(class_inf[iclass].type == pin_type);
+        }
+    }
+    return iclass;
+}
+
 /*
  * t_logical_block_type
  */
@@ -144,6 +194,28 @@ bool t_logical_block_type::is_empty() const {
     return name == std::string(EMPTY_BLOCK_NAME);
 }
 
+const t_port* t_logical_block_type::get_port(std::string_view port_name) const {
+    for (int i = 0; i < pb_type->num_ports; i++) {
+        auto port = pb_type->ports[i];
+        if (port_name == port.name) {
+            return &pb_type->ports[port.index];
+        }
+    }
+
+    return nullptr;
+}
+
+const t_port* t_logical_block_type::get_port_by_pin(int pin) const {
+    for (int i = 0; i < pb_type->num_ports; i++) {
+        const t_port& port = pb_type->ports[i];
+        if (pin >= port.absolute_first_pin_index && pin < port.absolute_first_pin_index + port.num_pins) {
+            return &pb_type->ports[port.index];
+        }
+    }
+
+    return nullptr;
+}
+
 /**
  * t_pb_graph_node
  */
@@ -220,7 +292,7 @@ std::string t_pb_graph_pin::to_string(const bool full_description) const {
     return pin_string;
 }
 
-/**
+/*
  * t_pb_graph_edge
  */
 
@@ -253,3 +325,39 @@ bool t_pb_graph_edge::belongs_to_pattern(int pattern_index) const {
     // return false otherwise
     return false;
 }
+
+/*
+ * t_sub_tile
+ */
+
+int t_sub_tile::total_num_internal_pins() const {
+    int num_pins = 0;
+
+    for (t_logical_block_type_ptr eq_site : equivalent_sites) {
+        num_pins += (int)eq_site->pin_logical_num_to_pb_pin_mapping.size();
+    }
+
+    num_pins *= capacity.total();
+
+    return num_pins;
+}
+
+const t_physical_tile_port* t_sub_tile::get_port(std::string_view port_name) {
+    for (const t_physical_tile_port& port : ports) {
+        if (port_name == port.name) {
+            return &ports[port.index];
+        }
+    }
+
+    return nullptr;
+}
+
+const t_physical_tile_port* t_sub_tile::get_port_by_pin(int pin) const {
+    for (const t_physical_tile_port& port : ports) {
+        if (pin >= port.absolute_first_pin_index && pin < port.absolute_first_pin_index + port.num_pins) {
+            return &ports[port.index];
+        }
+    }
+
+    return nullptr;
+}

libs/libarchfpga/src/physical_types.h

@@ -24,8 +24,7 @@
  * Authors: Jason Luu and Kenneth Kent
  */
 
-#ifndef PHYSICAL_TYPES_H
-#define PHYSICAL_TYPES_H
+#pragma once
 
 #include <functional>
 #include <utility>
@@ -704,11 +703,7 @@ struct t_physical_tile_type {
      * tile_block_pin_directs_map[logical block index][logical block pin] -> physical tile pin */
     std::unordered_map<int, std::unordered_map<int, vtr::bimap<t_logical_pin, t_physical_pin>>> tile_block_pin_directs_map;
 
-    /* Returns the indices of pins that contain a clock for this physical logic block */
-    std::vector<int> get_clock_pins_indices() const;
 
-    // Returns the sub tile location of the physical tile given an input pin
-    int get_sub_tile_loc_from_pin(int pin_num) const;
 
     // TODO: Remove is_input_type / is_output_type as part of
     // https://github.com/verilog-to-routing/vtr-verilog-to-routing/issues/1193
@@ -719,8 +714,21 @@ struct t_physical_tile_type {
     // Does this t_physical_tile_type contain an outpad?
     bool is_output_type = false;
 
-    // Is this t_physical_tile_type an empty type?
+  public:   // Function members
+    ///@brief Returns the indices of pins that contain a clock for this physical logic block
+    std::vector<int> get_clock_pins_indices() const;
+
+    ///@brief Returns the sub tile location of the physical tile given an input pin
+    int get_sub_tile_loc_from_pin(int pin_num) const;
+
+    ///@brief Is this t_physical_tile_type an empty type?
     bool is_empty() const;
+
+    ///@brief Returns the relative pin index within a sub tile that corresponds to the pin within the given port and its index in the port
+    int find_pin(std::string_view port_name, int pin_index_in_port) const;
+
+    ///@brief Returns the pin class associated with the specified pin_index_in_port within the port port_name on type
+    int find_pin_class(std::string_view port_name, int pin_index_in_port, e_pin_type pin_type) const;
 };
 
 /* Holds the capacity range of a certain sub_tile block within the parent physical tile type.
@@ -796,6 +804,19 @@ struct t_sub_tile {
     int num_phy_pins = 0;
 
     int index = -1;
+
+  public:
+    int total_num_internal_pins() const;
+
+    /**
+     * @brief Returns the physical tile port given the port name and the corresponding sub tile
+     */
+    const t_physical_tile_port* get_port(std::string_view port_name);
+
+    /**
+     * @brief Returns the physical tile port given the pin name and the corresponding sub tile
+     */
+    const t_physical_tile_port* get_port_by_pin(int pin) const;
 };
 
 /** A logical pin defines the pin index of a logical block type (i.e. a top level PB type)
@@ -950,6 +971,17 @@ struct t_logical_block_type {
 
     // Is this t_logical_block_type empty?
     bool is_empty() const;
+
+  public:
+    /**
+     * @brief Returns the logical block port given the port name and the corresponding logical block type
+     */
+    const t_port* get_port(std::string_view port_name) const;
+
+    /**
+     * @brief Returns the logical block port given the pin name and the corresponding logical block type
+     */
+    const t_port* get_port_by_pin(int pin) const;
 };
 
 /*************************************************************************************************
@@ -2124,5 +2156,3 @@ struct t_arch {
     /// Stores NoC-related architectural information when there is an embedded NoC
     t_noc_inf* noc = nullptr;
 };
-
-#endif