Subversion Repositories neorv32

  port (

  port (

    -- global control --

    -- global control --

    clk_i          : in  std_ulogic; -- global clock, rising edge

    clk_i          : in  std_ulogic; -- global clock, rising edge

    rstn_i         : in  std_ulogic; -- global reset, low-active, async

    rstn_i         : in  std_ulogic; -- global reset, low-active, async

    sleep_o        : out std_ulogic; -- cpu is in sleep mode when set

    sleep_o        : out std_ulogic; -- cpu is in sleep mode when set

    -- instruction bus interface --

    -- instruction bus interface --

    i_bus_addr_o   : out std_ulogic_vector(data_width_c-1 downto 0); -- bus access address

    i_bus_addr_o   : out std_ulogic_vector(data_width_c-1 downto 0); -- bus access address

    i_bus_rdata_i  : in  std_ulogic_vector(data_width_c-1 downto 0); -- bus read data

    i_bus_rdata_i  : in  std_ulogic_vector(data_width_c-1 downto 0); -- bus read data

    i_bus_wdata_o  : out std_ulogic_vector(data_width_c-1 downto 0); -- bus write data

    i_bus_wdata_o  : out std_ulogic_vector(data_width_c-1 downto 0); -- bus write data

    i_bus_ben_o    : out std_ulogic_vector(03 downto 0); -- byte enable

    i_bus_ben_o    : out std_ulogic_vector(03 downto 0); -- byte enable

  );

  );

  -- CPU is sleeping? --

  -- CPU is sleeping? --

  sleep_o <= ctrl(ctrl_sleep_c); -- set when CPU is sleeping (after WFI)

  sleep_o <= ctrl(ctrl_sleep_c); -- set when CPU is sleeping (after WFI)

  -- Register File --------------------------------------------------------------------------

  -- Register File --------------------------------------------------------------------------

  -- -------------------------------------------------------------------------------------------

  -- -------------------------------------------------------------------------------------------

  neorv32_cpu_regfile_inst: neorv32_cpu_regfile

  neorv32_cpu_regfile_inst: neorv32_cpu_regfile

  generic map (

  generic map (