Added synthesis artifact folder to gitignore

.gitignore

@@ -1,2 +1,3 @@
 **/wave
 **/work
+**/syn

src/control_socbridge_merge/control_socbridge_tb.vhd

@@ -23,8 +23,8 @@ architecture tb of control_socbridge_tb is
     control => (others => '0')
   );
   signal socbridge_driver_to_ext    :  socbridge_driver_to_ext_t;
-  signal socbridge_driver_to_buffer :  socbridge_driver_to_buffer_t;
+  signal socbridge_driver_to_ip :  socbridge_driver_to_ip_t;
-  signal buffer_to_socbridge_driver :  buffer_to_socbridge_driver_t := (
+  signal ip_to_socbridge_driver :  ip_to_socbridge_driver_t := (
     payload => (others => '0'),
     write_enable_out => '0',
     is_full_in => '0'
@@ -35,9 +35,9 @@ architecture tb of control_socbridge_tb is
     seq_mem_access_count => 0,
     cmd => "00"
   );
-  signal socbridge_driver_to_controller: socbridge_driver_to_controller_t := (is_active => '0');
+  signal drivers_to_controller: drivers_to_controller_t := (socbridge => (is_active => '0'));
   signal controller_to_cpu: controller_to_cpu_t;
-  signal controller_to_socbridge_driver: controller_to_socbridge_driver_t;
+  signal controller_to_drivers: controller_to_drivers_t;
 
   signal curr_word : std_logic_vector(ext_to_socbridge_driver.payload'length - 1 downto 0);
   signal expected_out : std_logic_vector(socbridge_driver_to_ext.payload'length - 1 downto 0);
@@ -80,12 +80,12 @@ begin
     port map(
       clk                            => clk,
       rst                            => rst,
-      controller_to_socbridge_driver => controller_to_socbridge_driver,
+      controller_to_socbridge_driver => controller_to_drivers.socbridge,
-      socbridge_driver_to_controller => socbridge_driver_to_controller, 
+      socbridge_driver_to_controller => drivers_to_controller.socbridge, 
       ext_to_socbridge_driver        => ext_to_socbridge_driver,
       socbridge_driver_to_ext        => socbridge_driver_to_ext,
-      buffer_to_socbridge_driver     => buffer_to_socbridge_driver,
+      ip_to_socbridge_driver         => ip_to_socbridge_driver,
-      socbridge_driver_to_buffer     => socbridge_driver_to_buffer
+      socbridge_driver_to_ip         => socbridge_driver_to_ip
     );
 
   controller_unit_inst: entity controller.control_unit
@@ -94,8 +94,8 @@ begin
       rst                            => rst,
       cpu_to_controller              => cpu_to_controller,
       controller_to_cpu              => controller_to_cpu,
-      socbridge_driver_to_controller => socbridge_driver_to_controller,
+      drivers_to_controller          => drivers_to_controller,
-      controller_to_socbridge_driver => controller_to_socbridge_driver
+      controller_to_drivers          => controller_to_drivers
   );
   
   ext_to_socbridge_driver.control(1) <= clk;
@@ -121,21 +121,21 @@ begin
     rst <= '0';
     cpu_to_controller.address <= x"FA0FA0FA";
     cpu_to_controller.cmd <= "01";
-    wait until socbridge_driver_to_controller.is_active = '1';
+    wait until drivers_to_controller.socbridge.is_active = '1';
     report "Task received in driver, awaiting completion...";
     cpu_to_controller.address <= (others => '0');
     cpu_to_controller.cmd <= "00";
-    wait until socbridge_driver_to_controller.is_active = '0';
+    wait until drivers_to_controller.socbridge.is_active = '0';
     wait for CLK_PERIOD;
     report "Task completed in driver, sending next task...";
     cpu_to_controller.address <= x"FA0FA0FA";
     cpu_to_controller.cmd <= "10";
     wait for CLK_PERIOD;
-    wait until socbridge_driver_to_controller.is_active = '1';
+    wait until drivers_to_controller.socbridge.is_active = '1';
     report "Task received in driver, awaiting completion...";
     cpu_to_controller.address <= (others => '0');
     cpu_to_controller.cmd <= "00";
-    wait until socbridge_driver_to_controller.is_active = '0';
+    wait until drivers_to_controller.socbridge.is_active = '0';
     wait for CLK_PERIOD;
     report "Task completed in driver, ending simulation stimulus";
     cpu_to_controller.address <= (others => '0');
@@ -197,19 +197,19 @@ begin
   internal_stimulus: process
     variable input : positive := 1;
   begin
-    buffer_to_socbridge_driver.is_full_in <= '0';
+    ip_to_socbridge_driver.is_full_in <= '0';
-    buffer_to_socbridge_driver.write_enable_out <= '0';
+    ip_to_socbridge_driver.write_enable_out <= '0';
     wait for 3 * CLK_PERIOD;
     -- stimulus goes here
-    buffer_to_socbridge_driver.write_enable_out <= '1';
+    ip_to_socbridge_driver.write_enable_out <= '1';
-    buffer_to_socbridge_driver.payload <= std_logic_vector(to_unsigned(input, buffer_to_socbridge_driver.payload'length));
+    ip_to_socbridge_driver.payload <= std_logic_vector(to_unsigned(input, ip_to_socbridge_driver.payload'length));
     input := input + 1 mod 256;
-    wait until rising_edge(clk) and socbridge_driver_to_buffer.is_full_out = '0';
+    wait until rising_edge(clk) and socbridge_driver_to_ip.is_full_out = '0';
     wait until falling_edge(clk);
     for x in 0 to 1000 loop
-      buffer_to_socbridge_driver.payload <= std_logic_vector(to_unsigned(input, buffer_to_socbridge_driver.payload'length));
+      ip_to_socbridge_driver.payload <= std_logic_vector(to_unsigned(input, ip_to_socbridge_driver.payload'length));
       input := input + 1 mod 256;
-      wait until rising_edge(clk) and socbridge_driver_to_buffer.is_full_out = '0';
+      wait until rising_edge(clk) and socbridge_driver_to_ip.is_full_out = '0';
       wait until falling_edge(clk);
     end loop;
     wait;

src/controller/control_unit.vhd

@@ -7,11 +7,11 @@ use ganimede.io_types.all;
 entity control_unit is
   
   port (
-    clk, rst        : in  std_logic;
+    clk, rst              : in  std_logic;
-    cpu_to_controller  : in  cpu_to_controller_t;
+    cpu_to_controller     : in  cpu_to_controller_t;
-    controller_to_cpu : out controller_to_cpu_t;
+    controller_to_cpu     : out controller_to_cpu_t;
-    socbridge_driver_to_controller  : in  socbridge_driver_to_controller_t;
+    drivers_to_controller : in  drivers_to_controller_t;
-    controller_to_socbridge_driver : out controller_to_socbridge_driver_t
+    controller_to_drivers : out controller_to_drivers_t
   );
 
 end entity control_unit;
@@ -31,17 +31,17 @@ architecture behave of control_unit is
 
 begin
 
-  comb_proc: process(cpu_to_controller, socbridge_driver_to_controller, state)
+  comb_proc: process(cpu_to_controller, drivers_to_controller, state)
   begin
     ored := '0';
     ready_reduction: for i in 0 to number_of_drivers - 1 loop
-      ored := ored or socbridge_driver_to_controller.is_active;
+      ored := ored or drivers_to_controller.socbridge.is_active;
     end loop ready_reduction;
-    controller_to_socbridge_driver.request <= state.curr_driver;
+    controller_to_drivers.socbridge.request <= state.curr_driver;
-    controller_to_socbridge_driver.address <= state.address;
+    controller_to_drivers.socbridge.address <= state.address;
-    controller_to_socbridge_driver.seq_mem_access_count <= state.seq_mem_access_count;        
+    controller_to_drivers.socbridge.seq_mem_access_count <= state.seq_mem_access_count;        
     controller_to_cpu.ready <= state.ready;
-    controller_to_socbridge_driver.instruction <= state.instruction;
+    controller_to_drivers.socbridge.instruction <= state.instruction;
   end process comb_proc;
 
   sync_proc: process(clk, state)

src/controller/control_unit_tb.vhd

@@ -19,9 +19,9 @@ architecture tb of control_unit_tb is
                                               (others => '0'),
                                               0,
                                               "00");
-  signal socbridge_driver_to_controller: socbridge_driver_to_controller_t := (is_active => '0');
+  signal drivers_to_controller: drivers_to_controller_t := (socbridge => (is_active => '0'));
   signal controller_to_cpu: controller_to_cpu_t;
-  signal controller_to_socbridge_driver: controller_to_socbridge_driver_t;
+  signal controller_to_drivers: controller_to_drivers_t;
   signal current_driver : std_logic_vector(0 downto 0) := "0";
   shared variable word_counter: natural := 0;
 
@@ -42,8 +42,8 @@ begin
     rst             => reset,
     cpu_to_controller  => cpu_to_controller,
     controller_to_cpu => controller_to_cpu,
-    socbridge_driver_to_controller  => socbridge_driver_to_controller,
+    drivers_to_controller => drivers_to_controller,
-    controller_to_socbridge_driver => controller_to_socbridge_driver
+    controller_to_drivers => controller_to_drivers
     );
 
 stimulus_proc: process
@@ -51,7 +51,7 @@ begin
   wait for cycle;
 
   cpu_to_controller.driver_id <= "1";
-  socbridge_driver_to_controller.is_active <= '0';
+  drivers_to_controller.socbridge.is_active <= '0';
   cpu_to_controller.address <= x"F0F0F0F0";
   cpu_to_controller.seq_mem_access_count <= 3;
   cpu_to_controller.cmd <= "01";
@@ -65,7 +65,7 @@ begin
     report "words remaining are " & integer'image(i);
   end loop for_loop;
   
-  socbridge_driver_to_controller.is_active <= '0';
+  drivers_to_controller.socbridge.is_active <= '0';
   report "Stim process done";
   wait;
 end process stimulus_proc; 
@@ -76,9 +76,9 @@ begin
   wait for cycle;
 
   wait for cycle;
-  assert controller_to_socbridge_driver.request = '1' report "Incorrect driver_id from control_unit" severity error;
+  assert controller_to_drivers.socbridge.request = '1' report "Incorrect driver_id from control_unit" severity error;
-  assert controller_to_socbridge_driver.address = x"F0F0F0F0" report "Incorrect address from control_unit" severity error;
+  assert controller_to_drivers.socbridge.address = x"F0F0F0F0" report "Incorrect address from control_unit" severity error;
-  assert controller_to_socbridge_driver.instruction = WRITE report "Incorrect memory op from control_unit" severity error;
+  assert controller_to_drivers.socbridge.instruction = WRITE report "Incorrect memory op from control_unit" severity error;
 
   wait for 5 * cycle;
   reset <= '1';

src/ganimede/ganimede.vhd

@@ -1,24 +1,32 @@
 library IEEE;
 use IEEE.std_logic_1164.all;
-library work;
+library ganimede;
-use work.io_types.all;
+use ganimede.io_types.all;
+library socbridge;
+use socbridge.socbridge_driver_tb_pkg.all;
+library controller;
 
-entity ganimede is
+entity ganimede_toplevel is
   port (
-    clk                 : in std_logic;
+    clk               : in  std_logic;
-    reset               : in std_logic;
+    rst               : in  std_logic;
-    ext_interface_in    : in ext_interface_in_t;
+    cpu_to_ganimede   : in  cpu_to_controller_t;
-    ext_interface_out   : out ext_interface_out_t;
+    ganimede_to_cpu   : out controller_to_cpu_t;
-    int_interface_in    : in int_interface_in_t;
+    ext_to_ganimede   : in  ext_to_ganimede_t;
-    int_interface_out   : out int_interface_out_t
+    ganimede_to_ext   : out ganimede_to_ext_t;
+    ip_to_ganimede    : in  ip_to_ganimede_t;
+    ganimede_to_ip    : out ganimede_to_ip_t
   );
-end entity ganimede;
+end entity ganimede_toplevel;
-architecture rtl of ganimede is
+architecture rtl of ganimede_toplevel is
   --- SIGNAL DECLERATIONS ---
-  signal gan_int_interface_in  : int_interface_in_t;
+  signal ext_to_drivers        : ext_to_ganimede_t;
-  signal gan_int_interface_out : int_interface_out_t;
+  signal drivers_to_ext        : ganimede_to_ext_t;
-  signal gan_ext_interface_in  : ext_interface_in_t;
+  signal drivers_to_ip         : ganimede_to_ip_t;
-  signal gan_ext_interface_out : ext_interface_out_t;
+  signal ip_to_drivers         : ip_to_ganimede_t;
+  signal drivers_to_controller : drivers_to_controller_t;
+  signal controller_to_drivers : controller_to_drivers_t;
+
 
   --signal gan_socbridge_WE_in : std_logic;
   --signal gan_socbridge_WE_out : std_logic;
@@ -38,34 +46,34 @@ architecture rtl of ganimede is
   --    data_out     : out std_logic_vector(WIDTH - 1 downto 0)
   --  );
   --end component;
-
-  component socbridge_driver is
-    port(
-      clk     : in std_logic;
-      reset   : in std_logic;
-      ext_in  : in ext_to_socbridge_driver_t;
-      ext_out : out socbridge_driver_to_ext_t;
-      int_in  : out buffer_to_socbridge_driver_t;
-      int_out : in socbridge_driver_to_buffer_t
-    );
-  end component;
-
 begin
   --- CONNECT EXTERNAL SIGNALS TO INTERNAL CONNECTIONS ---
-  gan_int_interface_in  <= int_interface_in;
+  ip_to_drivers   <= ip_to_ganimede;
-  int_interface_out     <= gan_int_interface_out;
+  ganimede_to_ip  <= drivers_to_ip;
-  gan_ext_interface_in  <= ext_interface_in;
+  ext_to_drivers  <= ext_to_ganimede;
-  ext_interface_out     <= gan_ext_interface_out;
+  ganimede_to_ext <= drivers_to_ext;
 
   --- DRIVER INSTANTIATION ---
-  socbridge_driver_inst: socbridge_driver
+  socbridge_inst: entity socbridge.socbridge_driver
-   port map(
+    port map(
-      clk     => clk,
+      clk                            => clk,
-      reset   => reset,
+      rst                            => rst,
-      ext_in  => gan_ext_interface_in.socbridge,
+      controller_to_socbridge_driver => controller_to_drivers.socbridge,
-      ext_out => gan_ext_interface_out.socbridge,
+      socbridge_driver_to_controller => drivers_to_controller.socbridge,
-      int_in  => gan_int_interface_in.socbridge,
+      ext_to_socbridge_driver        => ext_to_ganimede.socbridge,
-      int_out => gan_int_interface_out.socbridge
+      socbridge_driver_to_ext        => ganimede_to_ext.socbridge,
+      ip_to_socbridge_driver         => ip_to_ganimede.socbridge,
+      socbridge_driver_to_ip         => ganimede_to_ip.socbridge
+    );
+
+  controller_unit_inst: entity controller.control_unit
+    port map(
+      clk                            => clk,
+      rst                            => rst,
+      cpu_to_controller              => cpu_to_ganimede,
+      controller_to_cpu              => ganimede_to_cpu,
+      drivers_to_controller          => drivers_to_controller,
+      controller_to_drivers          => controller_to_drivers
   );
 
   --- LATER WE ADD OPTIMIZATIONS HERE ---

src/ganimede/ganimede_tb.vhd

@@ -0,0 +1,215 @@
+library IEEE;
+use IEEE.std_logic_1164.all;
+use IEEE.NUMERIC_STD.all;
+library ganimede;
+use ganimede.io_types.all;
+library socbridge;
+use socbridge.socbridge_driver_tb_pkg.all;
+library controller;
+
+entity ganimede_tb is
+end entity ganimede_tb;
+
+architecture tb of ganimede_tb is
+
+  constant CLK_PERIOD                           : Time := 10 ns;
+  constant SIMULATION_CYCLE_COUNT               : integer := 2000;
+  signal clk, rst                               : std_logic := '0';
+  signal controller_to_socbridge_driver_cmd     : command_t;
+  signal controller_to_socbridge_driver_address : std_logic_vector(31 downto 0);
+  signal cmd_size                               : positive;
+  signal ext_to_ganimede                : ext_to_ganimede_t := (socbridge => (
+    payload => (others => '0'),
+    control => (others => '0')
+  ));
+  signal ganimede_to_ext : ganimede_to_ext_t;
+  signal ganimede_to_ip  : ganimede_to_ip_t;
+  signal ganimede_to_cpu : controller_to_cpu_t;
+  signal cpu_to_ganimede : cpu_to_controller_t := (
+    driver_id => (others => '0'),
+    address => (others => '0'),
+    seq_mem_access_count => 0,
+    cmd => (others => '0')
+  );
+  signal ip_to_ganimede : ip_to_ganimede_t := (socbridge => (
+    payload => (others => '0'),
+    write_enable_out => '0',
+    is_full_in => '0'
+  ));
+  signal cpu_to_controller: cpu_to_controller_t := (
+    driver_id => (others => '0'),
+    address => (others => '0'),
+    seq_mem_access_count => 0,
+    cmd => "00"
+  );
+  signal drivers_to_controller: drivers_to_controller_t := (socbridge => (is_active => '0'));
+  signal controller_to_cpu: controller_to_cpu_t;
+  signal controller_to_drivers: controller_to_drivers_t;
+
+  signal curr_word : std_logic_vector(ext_to_ganimede.socbridge.payload'length - 1 downto 0);
+  signal expected_out : std_logic_vector(ganimede_to_ext.socbridge.payload'length - 1 downto 0);
+
+  procedure fail(error_msg : string) is 
+  begin
+    wait for CLK_PERIOD;
+    report "Simulation ending due to: " & error_msg & ". Shutting down..." severity FAILURE;
+  end procedure;
+
+  procedure check_next_state(correct_state: state_t) is
+  begin
+    if(not (correct_state = G_next_state)) then
+      report "Next State is not what was expected, found " & state_t'image(G_next_state)
+            & " but expected " & state_t'image(correct_state) severity error;
+      fail("Next State");
+    end if;
+  end procedure;
+  
+  procedure check_data_out(correct_data: std_logic_vector(ganimede_to_ext.socbridge.payload'length - 1 downto 0)) is
+  begin
+    if(not (correct_data = ganimede_to_ext.socbridge.payload)) then
+      report "Data out is not what was expected, found " & to_string(ganimede_to_ext.socbridge.payload)
+            & " but expected " & to_string(correct_data) severity error;
+      fail("Data out");
+    end if;
+  end procedure;
+
+  procedure check_parity(correct_data: std_logic_vector(ganimede_to_ext.socbridge.payload'length - 1 downto 0)) is
+  begin
+    if(not (calc_parity(correct_data) = calc_parity(ganimede_to_ext.socbridge.payload))) then
+      report "Parity out is not what was expected, found " & std_logic'image(calc_parity(ganimede_to_ext.socbridge.payload))
+            & " but expected " & std_logic'image(calc_parity(correct_data))  severity error;
+      fail("Parity out");
+    end if;
+  end procedure;
+
+begin
+  ganimede_inst: entity ganimede.ganimede_toplevel
+    port map(
+      clk                    => clk,
+      rst                    => rst,
+      cpu_to_ganimede        => cpu_to_ganimede,
+      ganimede_to_cpu        => ganimede_to_cpu,
+      ext_to_ganimede        => ext_to_ganimede,
+      ganimede_to_ext        => ganimede_to_ext,
+      ip_to_ganimede         => ip_to_ganimede,
+      ganimede_to_ip         => ganimede_to_ip
+    );
+  
+  ext_to_ganimede.socbridge.control(1) <= clk;
+  controller_clock_proc: process
+  begin
+  for i in 0 to SIMULATION_CYCLE_COUNT - 1 loop
+    wait for CLK_PERIOD / 2;
+    clk <= not clk;
+  end loop;
+  wait;
+  end process controller_clock_proc;
+  
+  stimulus_proc: process
+  begin
+    report "Starting Simulation Stimulus!";
+    rst <= '1';
+    cpu_to_controller.address <= (others => '0');
+    cpu_to_controller.cmd <= "00";
+    cpu_to_controller.driver_id <= "1";
+    cpu_to_controller.seq_mem_access_count <= 256;
+    wait for 3 * CLK_PERIOD;
+    report "Reset grace period ended, starting stimulus...";
+    rst <= '0';
+    cpu_to_controller.address <= x"FA0FA0FA";
+    cpu_to_controller.cmd <= "01";
+    wait until drivers_to_controller.socbridge.is_active = '1';
+    report "Task received in driver, awaiting completion...";
+    cpu_to_controller.address <= (others => '0');
+    cpu_to_controller.cmd <= "00";
+    wait until drivers_to_controller.socbridge.is_active = '0';
+    wait for CLK_PERIOD;
+    report "Task completed in driver, sending next task...";
+    cpu_to_controller.address <= x"FA0FA0FA";
+    cpu_to_controller.cmd <= "10";
+    wait for CLK_PERIOD;
+    wait until drivers_to_controller.socbridge.is_active = '1';
+    report "Task received in driver, awaiting completion...";
+    cpu_to_controller.address <= (others => '0');
+    cpu_to_controller.cmd <= "00";
+    wait until drivers_to_controller.socbridge.is_active = '0';
+    wait for CLK_PERIOD;
+    report "Task completed in driver, ending simulation stimulus";
+    cpu_to_controller.address <= (others => '0');
+    cpu_to_controller.cmd <= "00";
+    cpu_to_controller.driver_id <= "0";
+    cpu_to_controller.seq_mem_access_count <= 0;
+
+    wait;
+  end process stimulus_proc;
+
+  external_stimulus_signal: process(curr_word)
+  begin
+    ext_to_ganimede.socbridge.payload <= curr_word;
+    ext_to_ganimede.socbridge.control(0) <= calc_parity(curr_word);
+  end process external_stimulus_signal;
+
+  external_stimulus: process
+    variable input : positive := 1;
+  begin
+    wait for CLK_PERIOD / 1000;
+    curr_word <= "00000000"; 
+    wait for 999 * CLK_PERIOD / 1000;
+    wait for 2 * CLK_PERIOD;
+    wait for CLK_PERIOD / 2;
+    wait for 10* CLK_PERIOD;
+    curr_word <= "00001001";
+    wait for CLK_PERIOD;
+    curr_word <= "00000000";
+    wait for CLK_PERIOD * 140;
+    curr_word <= "00101001";
+    wait for CLK_PERIOD;
+    curr_word <= "00000000";
+    wait for CLK_PERIOD * 140;
+    curr_word <= "00101001";
+    wait for CLK_PERIOD;
+    curr_word <= "00000000";
+    wait for CLK_PERIOD * 20;
+    curr_word <= "01100111";
+    wait for CLK_PERIOD;
+    for x in 0 to 127 loop
+      curr_word <= std_logic_vector(to_unsigned(input, 8));
+      input := input + 1 mod 256;
+      wait for CLK_PERIOD;
+    end loop;
+    curr_word <= "00000000";
+    wait for CLK_PERIOD * 140;
+    wait for CLK_PERIOD * 20;
+    curr_word <= "01100111";
+    wait for CLK_PERIOD;
+    for x in 0 to 127 loop
+      curr_word <= std_logic_vector(to_unsigned(input, 8));
+      input := input + 1 mod 256;
+      wait for CLK_PERIOD;
+    end loop;
+
+    wait;
+  end process external_stimulus;
+
+  internal_stimulus: process
+    variable input : positive := 1;
+  begin
+    ip_to_ganimede.socbridge.is_full_in <= '0';
+    ip_to_ganimede.socbridge.write_enable_out <= '0';
+    wait for 3 * CLK_PERIOD;
+    -- stimulus goes here
+    ip_to_ganimede.socbridge.write_enable_out <= '1';
+    ip_to_ganimede.socbridge.payload <= std_logic_vector(to_unsigned(input, ip_to_ganimede.socbridge.payload'length));
+    input := input + 1 mod 256;
+    wait until rising_edge(clk) and ganimede_to_ip.socbridge.is_full_out = '0';
+    wait until falling_edge(clk);
+    for x in 0 to 1000 loop
+      ip_to_ganimede.socbridge.payload <= std_logic_vector(to_unsigned(input, ip_to_ganimede.socbridge.payload'length));
+      input := input + 1 mod 256;
+      wait until rising_edge(clk) and ganimede_to_ip.socbridge.is_full_out = '0';
+      wait until falling_edge(clk);
+    end loop;
+    wait;
+  end process internal_stimulus;
+
+end architecture tb;

src/ganimede/io_type_pkg.vhd

@@ -5,64 +5,52 @@ use IEEE.MATH_REAL.all;
 package io_types is
   
   --- CONSTANTS ---
-  constant number_of_drivers: natural := 1;
+  constant number_of_drivers : natural := 1;
-  constant address_width: natural := 32;
+  constant address_width     : natural := 32;
-  constant seq_vector_length: natural := 8;
+  constant inst_word_width   : natural := 2;
-  constant inst_word_width: natural := 2;
 
   --- STANDARD TYPES ---
   type instruction_command_t is (NO_OP, READ, WRITE);
 
   type ext_protocol_def_t is record
     name: string (1 to 20);
-    payload_width: natural;
+    payload_width                       : natural;
-    control_width_in, control_width_out: natural;
+    control_width_in, control_width_out : natural;
   end record ext_protocol_def_t;
 
   type interface_inst_t is record
-    socbridge: ext_protocol_def_t;
+    socbridge : ext_protocol_def_t;
   end record interface_inst_t;
 
   --- CONTROL UNIT ---
   type cpu_to_controller_t is record
-    driver_id: std_logic_vector(number_of_drivers - 1 downto 0);
+    driver_id            : std_logic_vector(number_of_drivers - 1 downto 0);
-    address: std_logic_vector(address_width - 1 downto 0);
+    address              : std_logic_vector(address_width - 1 downto 0);
-    seq_mem_access_count: integer;
+    seq_mem_access_count : integer;
-    cmd: std_logic_vector(1 downto 0);
+    cmd                  : std_logic_vector(1 downto 0);
   end record cpu_to_controller_t;
 
   type controller_to_cpu_t is record
-    ready: std_logic;
+    ready : std_logic;
   end record controller_to_cpu_t;
 
-  --type controller_to_socbridge_driver_t is record
-  --  driver_id: std_logic_vector(number_of_drivers - 1 downto 0);
-  --  address: std_logic_vector(address_width - 1 downto 0);
-  --  seq_mem_access_count: integer;
-  --  instruction: instruction_command_t;
-  --end record controller_to_socbridge_driver_t;
-
-  --type socbridge_driver_to_controller_t is record
-  --  active_driver: std_logic_vector(number_of_drivers - 1 downto 0);
-  --end record socbridge_driver_to_controller_t;
-
-  type socbridge_driver_to_controller_t is record
-    is_active : std_logic;    
-  end record socbridge_driver_to_controller_t;
-
-  type controller_to_socbridge_driver_t is record
-    request: std_logic;
-    address: std_logic_vector(address_width - 1 downto 0);
-    seq_mem_access_count: integer;
-    instruction: instruction_command_t;
-  end record controller_to_socbridge_driver_t;
-
   --- PROTOCOL INFORMATION ---
   constant interface_inst : interface_inst_t := (
     socbridge => ("SoCBridge           ", 8, 2, 2)
   );
 
   --- AUTOGENERATED TYPES ---
+  type socbridge_driver_to_controller_t is record
+    is_active : std_logic;
+  end record socbridge_driver_to_controller_t;
+
+  type controller_to_socbridge_driver_t is record
+    request              : std_logic;
+    address              : std_logic_vector(address_width - 1 downto 0);
+    seq_mem_access_count : integer;
+    instruction          : instruction_command_t;
+  end record controller_to_socbridge_driver_t;
+
   type ext_to_socbridge_driver_t is record 
     payload : STD_LOGIC_VECTOR(interface_inst.socbridge.payload_width - 1 downto 0);
     control : STD_LOGIC_VECTOR(interface_inst.socbridge.control_width_in - 1 downto 0);
@@ -73,30 +61,38 @@ package io_types is
     control : STD_LOGIC_VECTOR(interface_inst.socbridge.control_width_in - 1 downto 0);
   end record socbridge_driver_to_ext_t;
 
-  type socbridge_driver_to_buffer_t is record 
+  type socbridge_driver_to_ip_t is record 
     payload : STD_LOGIC_VECTOR(interface_inst.socbridge.payload_width - 1 downto 0);
     write_enable_in, is_full_out : std_logic;
-  end record socbridge_driver_to_buffer_t;
+  end record socbridge_driver_to_ip_t;
 
-  type buffer_to_socbridge_driver_t is record 
+  type ip_to_socbridge_driver_t is record 
     payload : STD_LOGIC_VECTOR(interface_inst.socbridge.payload_width - 1 downto 0);
     write_enable_out, is_full_in : std_logic;
-  end record buffer_to_socbridge_driver_t;
+  end record ip_to_socbridge_driver_t;
 
-  type ext_interface_in_t is record
+  type controller_to_drivers_t is record
+    socbridge : controller_to_socbridge_driver_t;
+  end record controller_to_drivers_t;
+
+  type drivers_to_controller_t is record
+    socbridge : socbridge_driver_to_controller_t;
+  end record drivers_to_controller_t;
+
+  type ext_to_ganimede_t is record
     socbridge : ext_to_socbridge_driver_t;
-  end record ext_interface_in_t;
+  end record ext_to_ganimede_t;
 
-  type ext_interface_out_t is record
+  type ganimede_to_ext_t is record
     socbridge : socbridge_driver_to_ext_t;
-  end record ext_interface_out_t;
+  end record ganimede_to_ext_t;
 
-  type int_interface_out_t is record
+  type ganimede_to_ip_t is record
-    socbridge : socbridge_driver_to_buffer_t;
+    socbridge : socbridge_driver_to_ip_t;
-  end record int_interface_out_t;
+  end record ganimede_to_ip_t;
 
-  type int_interface_in_t is record
+  type ip_to_ganimede_t is record
-    socbridge : buffer_to_socbridge_driver_t;
+    socbridge : ip_to_socbridge_driver_t;
-  end record int_interface_in_t;
+  end record ip_to_ganimede_t;
 
 end package io_types;

src/gantry.toml

@@ -0,0 +1,21 @@
+title = "ganimede"
+createdAt = "2025-03-14"
+maintainer = ""
+email = ""
+version = "0.0.1"
+
+[libraries.socbridge]
+vhdl-version = "93"
+path = "socbridge"
+
+[libraries.ganimede]
+vhdl-version = "93"
+path = "ganimede"
+
+[libraries.controller]
+vhdl-version = "93"
+path = "controller"
+
+[libraries.control_socbridge_merge]
+vhdl-version = "93"
+path = "control_socbridge_merge"

src/socbridge/socbridge_driver.vhd

@@ -15,8 +15,8 @@ entity socbridge_driver is
     socbridge_driver_to_controller : out socbridge_driver_to_controller_t;
     ext_to_socbridge_driver        : in ext_to_socbridge_driver_t;
     socbridge_driver_to_ext        : out socbridge_driver_to_ext_t;
-    socbridge_driver_to_buffer     : out socbridge_driver_to_buffer_t;
+    ip_to_socbridge_driver         : in ip_to_socbridge_driver_t;
-    buffer_to_socbridge_driver     : in buffer_to_socbridge_driver_t
+    socbridge_driver_to_ip         : out socbridge_driver_to_ip_t
   );
 end entity socbridge_driver;
 
@@ -77,7 +77,7 @@ begin
                       READ_RESPONSE when "01000",
                       READ_RESPONSE when "01100",
                       NO_OP when others;
-  comb_proc: process(ext_to_socbridge_driver, buffer_to_socbridge_driver, curr_response, st, controller_to_socbridge_driver, trans_st)
+  comb_proc: process(ext_to_socbridge_driver, ip_to_socbridge_driver, curr_response, st, controller_to_socbridge_driver, trans_st)
   begin
     -- Outputs 
     socbridge_driver_to_ext <= create_io_type_out_from_ext_protocol(st.socbridge_driver_to_ext_reg);
@@ -194,9 +194,9 @@ begin
     
   --- Combinatorial output based on current state ---
     socbridge_driver_to_ext_data_cmd := (others => '0');
-    socbridge_driver_to_buffer.is_full_out <= '1';
+    socbridge_driver_to_ip.is_full_out <= '1';
-    socbridge_driver_to_buffer.write_enable_in <= '0';
+    socbridge_driver_to_ip.write_enable_in <= '0';
-    socbridge_driver_to_buffer.payload <= (others => '0');
+    socbridge_driver_to_ip.payload <= (others => '0');
     case st.curr_state is
       when IDLE => 
         if st.curr_cmd = WRITE or st.curr_cmd = WRITE_ADD then
@@ -209,13 +209,13 @@ begin
         if st.curr_cmd = WRITE_ADD then
           socbridge_driver_to_ext_data_cmd := st.curr_addr(7 downto 0);
         else 
-          socbridge_driver_to_ext_data_cmd := buffer_to_socbridge_driver.payload;
+          socbridge_driver_to_ext_data_cmd := ip_to_socbridge_driver.payload;
-          socbridge_driver_to_buffer.is_full_out <= '0';
+          socbridge_driver_to_ip.is_full_out <= '0';
         end if;
       when TX_BODY =>
         if st.write_stage > 0 then
-          socbridge_driver_to_buffer.is_full_out <= '0';
+          socbridge_driver_to_ip.is_full_out <= '0';
-          socbridge_driver_to_ext_data_cmd := buffer_to_socbridge_driver.payload;
+          socbridge_driver_to_ext_data_cmd := ip_to_socbridge_driver.payload;
         else 
           socbridge_driver_to_ext_data_cmd := (others => '0');
         end if;
@@ -226,8 +226,8 @@ begin
         end if; 
       when RX_RESPONSE =>
       when RX_BODY =>
-        socbridge_driver_to_buffer.payload <= st.ext_to_socbridge_driver_reg.data;
+        socbridge_driver_to_ip.payload <= st.ext_to_socbridge_driver_reg.data;
-        socbridge_driver_to_buffer.write_enable_in <= '1';
+        socbridge_driver_to_ip.write_enable_in <= '1';
       when ADDR1 =>
         socbridge_driver_to_ext_data_cmd := st.curr_addr(15 downto 8);
       when ADDR2 =>
@@ -236,9 +236,9 @@ begin
         socbridge_driver_to_ext_data_cmd := st.curr_addr(31 downto 24);
       when ADDR4 =>
         if st.curr_cmd = WRITE_ADD then
-          socbridge_driver_to_buffer.is_full_out <= '0';
+          socbridge_driver_to_ip.is_full_out <= '0';
-          socbridge_driver_to_ext_data_cmd := buffer_to_socbridge_driver.payload;
+          socbridge_driver_to_ext_data_cmd := ip_to_socbridge_driver.payload;
-          report integer'image(to_integer(signed(socbridge_driver_to_ext_data_cmd))) & " "&  integer'image(to_integer(signed(buffer_to_socbridge_driver.payload)));
+          report integer'image(to_integer(signed(socbridge_driver_to_ext_data_cmd))) & " "&  integer'image(to_integer(signed(ip_to_socbridge_driver.payload)));
         end if;
     end case;
     next_parity_out <= calc_parity(socbridge_driver_to_ext_data_cmd);

src/socbridge/socbridge_driver_tb.vhd

@@ -19,8 +19,8 @@ architecture tb of socbridge_driver_tb is
   signal cmd_size : positive;
   signal ext_to_socbridge_driver  :  ext_to_socbridge_driver_t;
   signal socbridge_driver_to_ext :  socbridge_driver_to_ext_t;
-  signal buffer_to_socbridge_driver  :  buffer_to_socbridge_driver_t;
+  signal ip_to_socbridge_driver  :  ip_to_socbridge_driver_t;
-  signal socbridge_driver_to_buffer :  socbridge_driver_to_buffer_t;
+  signal socbridge_driver_to_ip :  socbridge_driver_to_ip_t;
   signal controller_to_socbridge_driver :  controller_to_socbridge_driver_t;
   signal socbridge_driver_controller :  socbridge_driver_to_controller_t;
   signal curr_word : std_logic_vector(ext_to_socbridge_driver.payload'length - 1 downto 0);
@@ -71,8 +71,8 @@ architecture tb of socbridge_driver_tb is
 --      cmd_size: in positive;
 --      ext_to_socbridge_driver  : in ext_to_socbridge_driver_t;
 --      socbridge_driver_to_ext : out socbridge_driver_to_ext_t;
---      buffer_to_socbridge_driver  : out buffer_to_socbridge_driver_t;
+--      ip_to_socbridge_driver  : out ip_to_socbridge_driver_t;
---      socbridge_driver_to_buffer : in socbridge_driver_to_buffer_t
+--      socbridge_driver_to_ip : in socbridge_driver_to_ip_t
 --    );
 --  end component socbridge_driver;
 
@@ -85,8 +85,8 @@ begin
       socbridge_driver_to_controller => socbridge_driver_controller,
       ext_to_socbridge_driver => ext_to_socbridge_driver,
       socbridge_driver_to_ext => socbridge_driver_to_ext,
-      buffer_to_socbridge_driver => buffer_to_socbridge_driver,
+      ip_to_socbridge_driver => ip_to_socbridge_driver,
-      socbridge_driver_to_buffer => socbridge_driver_to_buffer
+      socbridge_driver_to_ip => socbridge_driver_to_ip
   );
 
   ext_to_socbridge_driver.control(1) <= clk;
@@ -299,30 +299,30 @@ begin
 
   internal_stimulus: process
   begin
-    buffer_to_socbridge_driver.is_full_in <= '0';
+    ip_to_socbridge_driver.is_full_in <= '0';
-    buffer_to_socbridge_driver.write_enable_out <= '0';
+    ip_to_socbridge_driver.write_enable_out <= '0';
     wait for 3 * CLK_PERIOD;
     -- stimulus goes here
-    buffer_to_socbridge_driver.write_enable_out <= '1';
+    ip_to_socbridge_driver.write_enable_out <= '1';
-    buffer_to_socbridge_driver.payload <= "00000001";
+    ip_to_socbridge_driver.payload <= "00000001";
-    wait until rising_edge(clk) and socbridge_driver_to_buffer.is_full_out = '0';
+    wait until rising_edge(clk) and socbridge_driver_to_ip.is_full_out = '0';
     wait until falling_edge(clk);
-    buffer_to_socbridge_driver.payload <= "00000010";
+    ip_to_socbridge_driver.payload <= "00000010";
-    wait until rising_edge(clk) and socbridge_driver_to_buffer.is_full_out = '0';
+    wait until rising_edge(clk) and socbridge_driver_to_ip.is_full_out = '0';
     wait until falling_edge(clk);
-    buffer_to_socbridge_driver.payload <= "00000100";
+    ip_to_socbridge_driver.payload <= "00000100";
-    wait until rising_edge(clk) and socbridge_driver_to_buffer.is_full_out = '0';
+    wait until rising_edge(clk) and socbridge_driver_to_ip.is_full_out = '0';
     wait until falling_edge(clk);
-    buffer_to_socbridge_driver.payload <= "00001000";
+    ip_to_socbridge_driver.payload <= "00001000";
-    wait until rising_edge(clk) and socbridge_driver_to_buffer.is_full_out = '0';
+    wait until rising_edge(clk) and socbridge_driver_to_ip.is_full_out = '0';
     wait until falling_edge(clk);
-    buffer_to_socbridge_driver.payload <= "00010000";
+    ip_to_socbridge_driver.payload <= "00010000";
-    wait until socbridge_driver_to_buffer.is_full_out = '0';
+    wait until socbridge_driver_to_ip.is_full_out = '0';
     wait for CLK_PERIOD/2;
     wait until rising_edge(clk);
     wait until rising_edge(clk);
-    buffer_to_socbridge_driver.payload <= "00100000";
+    ip_to_socbridge_driver.payload <= "00100000";
-    wait until socbridge_driver_to_buffer.is_full_out = '0';
+    wait until socbridge_driver_to_ip.is_full_out = '0';
     wait for CLK_PERIOD/2;
     wait until rising_edge(clk);
     wait until rising_edge(clk); --- ??? Why all these rising_edge checks?

src/vhdl_ls.toml

@@ -3,7 +3,8 @@ standard = "1993"
 # File names are either absolute or relative to the parent folder of the vhdl_ls.toml file
 [libraries]
 ganimede.files = [
-    'ganimede/io_type_pkg.vhd'
+    'ganimede/io_type_pkg.vhd',
+    'ganimede/ganimede.vhd'
 ]
 socbridge.files = [
     'socbridge/*.vhd'