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matthias
2009-01-15 19:17:56 +00:00
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ROM_form.vhd Executable file
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ROM_form.vhd
Ken Chapman (Xilinx Ltd) July 2003
This is the VHDL template file for the KCPSM3 assembler.
It is used to configure a Spartan-3, Virtex-II or Virtex-IIPRO block RAM to act as
a single port program ROM.
This VHDL file is not valid as input directly into a synthesis or simulation tool.
The assembler will read this template and insert the data required to complete the
definition of program ROM and write it out to a new '.vhd' file associated with the
name of the original '.psm' file being assembled.
This template can be modified to define alternative memory definitions such as dual port.
However, you are responsible for ensuring the template is correct as the assembler does
not perform any checking of the VHDL.
The assembler identifies all text enclosed by {} characters, and replaces these
character strings. All templates should include these {} character strings for
the assembler to work correctly.
****************************************************************************************
This template defines a block RAM configured in 1024 x 18-bit single port mode and
conneceted to act as a single port ROM.
****************************************************************************************
The next line is used to determine where the template actually starts and must exist.
{begin template}
--
-- Definition of a single port ROM for KCPSM3 program defined by {name}.psm
--
-- Generated by KCPSM3 Assembler {timestamp}.
--
-- Standard IEEE libraries
--
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
--
-- The Unisim Library is used to define Xilinx primitives. It is also used during
-- simulation. The source can be viewed at %XILINX%\vhdl\src\unisims\unisim_VCOMP.vhd
--
library unisim;
use unisim.vcomponents.all;
--
--
entity {name} is
Port ( address : in std_logic_vector(9 downto 0);
instruction : out std_logic_vector(17 downto 0);
clk : in std_logic);
end {name};
--
architecture low_level_definition of {name} is
--
-- Attributes to define ROM contents during implementation synthesis.
-- The information is repeated in the generic map for functional simulation
--
attribute INIT_00 : string;
attribute INIT_01 : string;
attribute INIT_02 : string;
attribute INIT_03 : string;
attribute INIT_04 : string;
attribute INIT_05 : string;
attribute INIT_06 : string;
attribute INIT_07 : string;
attribute INIT_08 : string;
attribute INIT_09 : string;
attribute INIT_0A : string;
attribute INIT_0B : string;
attribute INIT_0C : string;
attribute INIT_0D : string;
attribute INIT_0E : string;
attribute INIT_0F : string;
attribute INIT_10 : string;
attribute INIT_11 : string;
attribute INIT_12 : string;
attribute INIT_13 : string;
attribute INIT_14 : string;
attribute INIT_15 : string;
attribute INIT_16 : string;
attribute INIT_17 : string;
attribute INIT_18 : string;
attribute INIT_19 : string;
attribute INIT_1A : string;
attribute INIT_1B : string;
attribute INIT_1C : string;
attribute INIT_1D : string;
attribute INIT_1E : string;
attribute INIT_1F : string;
attribute INIT_20 : string;
attribute INIT_21 : string;
attribute INIT_22 : string;
attribute INIT_23 : string;
attribute INIT_24 : string;
attribute INIT_25 : string;
attribute INIT_26 : string;
attribute INIT_27 : string;
attribute INIT_28 : string;
attribute INIT_29 : string;
attribute INIT_2A : string;
attribute INIT_2B : string;
attribute INIT_2C : string;
attribute INIT_2D : string;
attribute INIT_2E : string;
attribute INIT_2F : string;
attribute INIT_30 : string;
attribute INIT_31 : string;
attribute INIT_32 : string;
attribute INIT_33 : string;
attribute INIT_34 : string;
attribute INIT_35 : string;
attribute INIT_36 : string;
attribute INIT_37 : string;
attribute INIT_38 : string;
attribute INIT_39 : string;
attribute INIT_3A : string;
attribute INIT_3B : string;
attribute INIT_3C : string;
attribute INIT_3D : string;
attribute INIT_3E : string;
attribute INIT_3F : string;
attribute INITP_00 : string;
attribute INITP_01 : string;
attribute INITP_02 : string;
attribute INITP_03 : string;
attribute INITP_04 : string;
attribute INITP_05 : string;
attribute INITP_06 : string;
attribute INITP_07 : string;
--
-- Attributes to define ROM contents during implementation synthesis.
--
attribute INIT_00 of ram_1024_x_18 : label is "{INIT_00}";
attribute INIT_01 of ram_1024_x_18 : label is "{INIT_01}";
attribute INIT_02 of ram_1024_x_18 : label is "{INIT_02}";
attribute INIT_03 of ram_1024_x_18 : label is "{INIT_03}";
attribute INIT_04 of ram_1024_x_18 : label is "{INIT_04}";
attribute INIT_05 of ram_1024_x_18 : label is "{INIT_05}";
attribute INIT_06 of ram_1024_x_18 : label is "{INIT_06}";
attribute INIT_07 of ram_1024_x_18 : label is "{INIT_07}";
attribute INIT_08 of ram_1024_x_18 : label is "{INIT_08}";
attribute INIT_09 of ram_1024_x_18 : label is "{INIT_09}";
attribute INIT_0A of ram_1024_x_18 : label is "{INIT_0A}";
attribute INIT_0B of ram_1024_x_18 : label is "{INIT_0B}";
attribute INIT_0C of ram_1024_x_18 : label is "{INIT_0C}";
attribute INIT_0D of ram_1024_x_18 : label is "{INIT_0D}";
attribute INIT_0E of ram_1024_x_18 : label is "{INIT_0E}";
attribute INIT_0F of ram_1024_x_18 : label is "{INIT_0F}";
attribute INIT_10 of ram_1024_x_18 : label is "{INIT_10}";
attribute INIT_11 of ram_1024_x_18 : label is "{INIT_11}";
attribute INIT_12 of ram_1024_x_18 : label is "{INIT_12}";
attribute INIT_13 of ram_1024_x_18 : label is "{INIT_13}";
attribute INIT_14 of ram_1024_x_18 : label is "{INIT_14}";
attribute INIT_15 of ram_1024_x_18 : label is "{INIT_15}";
attribute INIT_16 of ram_1024_x_18 : label is "{INIT_16}";
attribute INIT_17 of ram_1024_x_18 : label is "{INIT_17}";
attribute INIT_18 of ram_1024_x_18 : label is "{INIT_18}";
attribute INIT_19 of ram_1024_x_18 : label is "{INIT_19}";
attribute INIT_1A of ram_1024_x_18 : label is "{INIT_1A}";
attribute INIT_1B of ram_1024_x_18 : label is "{INIT_1B}";
attribute INIT_1C of ram_1024_x_18 : label is "{INIT_1C}";
attribute INIT_1D of ram_1024_x_18 : label is "{INIT_1D}";
attribute INIT_1E of ram_1024_x_18 : label is "{INIT_1E}";
attribute INIT_1F of ram_1024_x_18 : label is "{INIT_1F}";
attribute INIT_20 of ram_1024_x_18 : label is "{INIT_20}";
attribute INIT_21 of ram_1024_x_18 : label is "{INIT_21}";
attribute INIT_22 of ram_1024_x_18 : label is "{INIT_22}";
attribute INIT_23 of ram_1024_x_18 : label is "{INIT_23}";
attribute INIT_24 of ram_1024_x_18 : label is "{INIT_24}";
attribute INIT_25 of ram_1024_x_18 : label is "{INIT_25}";
attribute INIT_26 of ram_1024_x_18 : label is "{INIT_26}";
attribute INIT_27 of ram_1024_x_18 : label is "{INIT_27}";
attribute INIT_28 of ram_1024_x_18 : label is "{INIT_28}";
attribute INIT_29 of ram_1024_x_18 : label is "{INIT_29}";
attribute INIT_2A of ram_1024_x_18 : label is "{INIT_2A}";
attribute INIT_2B of ram_1024_x_18 : label is "{INIT_2B}";
attribute INIT_2C of ram_1024_x_18 : label is "{INIT_2C}";
attribute INIT_2D of ram_1024_x_18 : label is "{INIT_2D}";
attribute INIT_2E of ram_1024_x_18 : label is "{INIT_2E}";
attribute INIT_2F of ram_1024_x_18 : label is "{INIT_2F}";
attribute INIT_30 of ram_1024_x_18 : label is "{INIT_30}";
attribute INIT_31 of ram_1024_x_18 : label is "{INIT_31}";
attribute INIT_32 of ram_1024_x_18 : label is "{INIT_32}";
attribute INIT_33 of ram_1024_x_18 : label is "{INIT_33}";
attribute INIT_34 of ram_1024_x_18 : label is "{INIT_34}";
attribute INIT_35 of ram_1024_x_18 : label is "{INIT_35}";
attribute INIT_36 of ram_1024_x_18 : label is "{INIT_36}";
attribute INIT_37 of ram_1024_x_18 : label is "{INIT_37}";
attribute INIT_38 of ram_1024_x_18 : label is "{INIT_38}";
attribute INIT_39 of ram_1024_x_18 : label is "{INIT_39}";
attribute INIT_3A of ram_1024_x_18 : label is "{INIT_3A}";
attribute INIT_3B of ram_1024_x_18 : label is "{INIT_3B}";
attribute INIT_3C of ram_1024_x_18 : label is "{INIT_3C}";
attribute INIT_3D of ram_1024_x_18 : label is "{INIT_3D}";
attribute INIT_3E of ram_1024_x_18 : label is "{INIT_3E}";
attribute INIT_3F of ram_1024_x_18 : label is "{INIT_3F}";
attribute INITP_00 of ram_1024_x_18 : label is "{INITP_00}";
attribute INITP_01 of ram_1024_x_18 : label is "{INITP_01}";
attribute INITP_02 of ram_1024_x_18 : label is "{INITP_02}";
attribute INITP_03 of ram_1024_x_18 : label is "{INITP_03}";
attribute INITP_04 of ram_1024_x_18 : label is "{INITP_04}";
attribute INITP_05 of ram_1024_x_18 : label is "{INITP_05}";
attribute INITP_06 of ram_1024_x_18 : label is "{INITP_06}";
attribute INITP_07 of ram_1024_x_18 : label is "{INITP_07}";
--
begin
--
--Instantiate the Xilinx primitive for a block RAM
ram_1024_x_18: RAMB16_S18
--synthesis translate_off
--INIT values repeated to define contents for functional simulation
generic map ( INIT_00 => X"{INIT_00}",
INIT_01 => X"{INIT_01}",
INIT_02 => X"{INIT_02}",
INIT_03 => X"{INIT_03}",
INIT_04 => X"{INIT_04}",
INIT_05 => X"{INIT_05}",
INIT_06 => X"{INIT_06}",
INIT_07 => X"{INIT_07}",
INIT_08 => X"{INIT_08}",
INIT_09 => X"{INIT_09}",
INIT_0A => X"{INIT_0A}",
INIT_0B => X"{INIT_0B}",
INIT_0C => X"{INIT_0C}",
INIT_0D => X"{INIT_0D}",
INIT_0E => X"{INIT_0E}",
INIT_0F => X"{INIT_0F}",
INIT_10 => X"{INIT_10}",
INIT_11 => X"{INIT_11}",
INIT_12 => X"{INIT_12}",
INIT_13 => X"{INIT_13}",
INIT_14 => X"{INIT_14}",
INIT_15 => X"{INIT_15}",
INIT_16 => X"{INIT_16}",
INIT_17 => X"{INIT_17}",
INIT_18 => X"{INIT_18}",
INIT_19 => X"{INIT_19}",
INIT_1A => X"{INIT_1A}",
INIT_1B => X"{INIT_1B}",
INIT_1C => X"{INIT_1C}",
INIT_1D => X"{INIT_1D}",
INIT_1E => X"{INIT_1E}",
INIT_1F => X"{INIT_1F}",
INIT_20 => X"{INIT_20}",
INIT_21 => X"{INIT_21}",
INIT_22 => X"{INIT_22}",
INIT_23 => X"{INIT_23}",
INIT_24 => X"{INIT_24}",
INIT_25 => X"{INIT_25}",
INIT_26 => X"{INIT_26}",
INIT_27 => X"{INIT_27}",
INIT_28 => X"{INIT_28}",
INIT_29 => X"{INIT_29}",
INIT_2A => X"{INIT_2A}",
INIT_2B => X"{INIT_2B}",
INIT_2C => X"{INIT_2C}",
INIT_2D => X"{INIT_2D}",
INIT_2E => X"{INIT_2E}",
INIT_2F => X"{INIT_2F}",
INIT_30 => X"{INIT_30}",
INIT_31 => X"{INIT_31}",
INIT_32 => X"{INIT_32}",
INIT_33 => X"{INIT_33}",
INIT_34 => X"{INIT_34}",
INIT_35 => X"{INIT_35}",
INIT_36 => X"{INIT_36}",
INIT_37 => X"{INIT_37}",
INIT_38 => X"{INIT_38}",
INIT_39 => X"{INIT_39}",
INIT_3A => X"{INIT_3A}",
INIT_3B => X"{INIT_3B}",
INIT_3C => X"{INIT_3C}",
INIT_3D => X"{INIT_3D}",
INIT_3E => X"{INIT_3E}",
INIT_3F => X"{INIT_3F}",
INITP_00 => X"{INITP_00}",
INITP_01 => X"{INITP_01}",
INITP_02 => X"{INITP_02}",
INITP_03 => X"{INITP_03}",
INITP_04 => X"{INITP_04}",
INITP_05 => X"{INITP_05}",
INITP_06 => X"{INITP_06}",
INITP_07 => X"{INITP_07}")
--synthesis translate_on
port map( DI => "0000000000000000",
DIP => "00",
EN => '1',
WE => '0',
SSR => '0',
CLK => clk,
ADDR => address,
DO => instruction(15 downto 0),
DOP => instruction(17 downto 16));
--
end low_level_definition;
--
------------------------------------------------------------------------------------
--
-- END OF FILE {name}.vhd
--
------------------------------------------------------------------------------------