Subversion Repositories neorv32

  -- Bus timeout --

  -- Bus timeout --

  assert not (BUS_TIMEOUT < 2) report "NEORV32 CPU CONFIG ERROR! Invalid bus access timeout value <BUS_TIMEOUT>. Has to be >= 2." severity error;

  assert not (BUS_TIMEOUT < 2) report "NEORV32 CPU CONFIG ERROR! Invalid bus access timeout value <BUS_TIMEOUT>. Has to be >= 2." severity error;

  -- Instruction prefetch buffer size --

  -- Instruction prefetch buffer size --

  assert not (is_power_of_two_f(ipb_entries_c) = false) report "NEORV32 CPU CONFIG ERROR! Number of entries in instruction prefetch buffer <ipb_entries_c> has to be a power of two." severity error;

  assert not (is_power_of_two_f(ipb_entries_c) = false) report "NEORV32 CPU CONFIG ERROR! Number of entries in instruction prefetch buffer <ipb_entries_c> has to be a power of two." severity error;

  -- Bit manipulation notifier --

  -- Bit manipulation notifier --

  assert not (CPU_EXTENSION_RISCV_B = true) report "NEORV32 CPU CONFIG WARNING! Bit manipulation extension (B) only supports 'base' instruction sub-set (Zbb) yet and is still 'unofficial' (not-ratified)." severity warning;

  assert not (CPU_EXTENSION_RISCV_B = true) report "NEORV32 CPU CONFIG WARNING! Bit manipulation extension (B) only supports 'base' instruction sub-set (Zbb) yet and is still 'unofficial' (not-ratified)." severity warning;

  -- PMP regions check --

  -- PMP regions check --

  );

  );

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

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

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

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

  generic map (

  generic map (

    CPU_EXTENSION_RISCV_E => CPU_EXTENSION_RISCV_E -- implement embedded RF extension?

    CPU_EXTENSION_RISCV_E => CPU_EXTENSION_RISCV_E -- implement embedded RF extension?

  )

  )

  port map (

  port map (

    -- global control --

    -- global control --