---------------------------------------------------------------------------------- -- Company: INSA-Toulouse -- Engineer: Paul Faure -- -- Create Date: 16.04.2021 14:35:04 -- Module Name: MemoireInstructions - Behavioral -- Project Name: Processeur sécurisé -- Target Devices: Basys 3 ARTIX7 -- Tool Versions: Vivado 2016.4 -- -- Description: Memoire d'instruction -- - Accessible en lecture uniquement -- -- Dependencies: None -- -- Comments : Memoire circulaire, si l'adresse est utilisée modulo la taille de la mémoire ---------------------------------------------------------------------------------- library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.NUMERIC_STD.ALL; entity MemoireInstructions is Generic (Nb_bits : Natural; -- Taille d'une instruction en mémoire (Taille d'un code instruction + 3*Taille d'un mot binaire) Addr_size : Natural; -- Nombre de bits pour adresser la mémoire Mem_size : Natural); -- Taille de la mémoire (nombre d'instructions stockées) Port ( Addr : in STD_LOGIC_VECTOR (Addr_size-1 downto 0); -- Une adresse D_OUT : out STD_LOGIC_VECTOR (Nb_bits-1 downto 0) := (others => '0')); -- L'instruction presente a cette adresse end MemoireInstructions; architecture Behavioral of MemoireInstructions is -- Do not touch until (-- Skadoosh) -- Do not add any Skadoosh signal MEMORY : STD_LOGIC_VECTOR ((Mem_Size * Nb_bits)-1 downto 0) := "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001010100000000000000000000000010001000000010000000000000000010000000000100000000000000000101000000000000000000000000010011010000100000001000000000100110000000100000010000000000101100000001000000010000000001011000000000000000000000000010010000000100000000000000000100100000000000000000000000010100000000000000000000000000010110000001100000011000000000101100000010000000100000000001011000000010000000100000000010110000000000000000000000000111101000100000000000000000001000000000010000001000000000000010000001000000010000000110100100000011000000010000000001000000000100000000100000000010000000000000000010000000000001000000010000000100000001101001000000110000001000000000010000000001000000000000000001010100010100000000000000000010001000000100000000000000000010000000001000000000000000001000001010110000000000000000000011000001000000010000000010010010000010000000000000000000010100000010000000100000001101001000000110000100000000000010000000001000000001000000000100100000001000000000000000001001000000000000000100000000101000000000000000000000000000101100000000000000000000000001111001101010000000000000000101010000101000000000000000001000100000000000000000000000001001000000000000000000000000101010000101000000000000000001000100000000000000000000000001001000000001111111100000000100000100000000000000000000000001100000001000000010000000001001000000010000000000000000010010000000000000001000000001010000000000000000000000000001011000010010000100100000000010110000100000001000000000000101100000111000010100000000001011000001100000011000000000010110000010100000101000000000101100000100000001000000000001011000000110000001100000000010110000001000000010000000000101100000001000000010000000001011000000000000000000000000011110001010000000000000000000100000000110000010100000000000001000010100000101000001000010010000100000000001000000000100000001010000001100000000001101000010100000100000000000010000000100000000101000000000000100001010000010100000100001010000010100000011100000000000100000100000001001000010000100100001001000000010000000000011000010000000100000001001010000000100100000110000000000100100001000000001010000000001110000001110000100100000000010010000100100000000000000001000000101010000000000000000000011000010010000100100000111010010000100100000000000000000010100000111000001110000100001001000010000000100000000000010000000011100000110000000000100100000110000000010000000010010000001010000000000000000101011100100000000000000000001000100000101000000000000000001001000001010000000000000000101010001010000000000000000001000100000101000000000000000001001000001011111111100000000101010001010000000000000000001000100000101000000000000000001001000001010000000000000000101010001010000000000000000001000100000101000000000000000001001000001011111111100000000010010000010000000000000000000100100000011000000000000000001001000000100000000000000000010010000000100000000000000000100100000000000000000000000001111010110110000000000000000"; -- Skadoosh begin D_OUT <= MEMORY (((to_integer(unsigned(Addr)) + 1) * Nb_bits) - 1 downto Nb_bits * to_integer(unsigned(Addr))); end Behavioral;