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[/] [opencpu32/] [trunk/] [hdl/] [opencpu32/] [DataPath.vhd] - Diff between revs 42 and 47

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Rev 42 Rev 47
Line 21... Line 21...
                          inputImm : in  STD_LOGIC_VECTOR (n downto 0);                  --! Input of Datapath from imediate value (instructions...)
                          inputImm : in  STD_LOGIC_VECTOR (n downto 0);                  --! Input of Datapath from imediate value (instructions...)
                          clk : in  STD_LOGIC;                                                                                          --! Clock signal
                          clk : in  STD_LOGIC;                                                                                          --! Clock signal
           outEn : in  typeEnDis;                                                                                       --! Enable/Disable datapath output
           outEn : in  typeEnDis;                                                                                       --! Enable/Disable datapath output
           aluOp : in  aluOps;                                                                                          --! Alu operations
           aluOp : in  aluOps;                                                                                          --! Alu operations
           muxSel : in  dpMuxInputs;                                                                            --! Select inputs from dataPath(Memory,Imediate,RegisterFile,Alu)
           muxSel : in  dpMuxInputs;                                                                            --! Select inputs from dataPath(Memory,Imediate,RegisterFile,Alu)
                          muxRegFile : in STD_LOGIC_VECTOR(1 downto 0);                          --! Select Alu InputA (Memory,Imediate,RegFileA)
                          muxRegFile : in dpMuxAluIn;                                                                           --! Select Alu InputA (Memory,Imediate,RegFileA)
           regFileWriteAddr : in  generalRegisters;                                     --! General register write address
           regFileWriteAddr : in  generalRegisters;                                     --! General register write address
           regFileWriteEn : in  STD_LOGIC;                                                              --! RegisterFile write enable signal
           regFileWriteEn : in  STD_LOGIC;                                                              --! RegisterFile write enable signal
           regFileReadAddrA : in  generalRegisters;                                     --! General register read address (PortA)
           regFileReadAddrA : in  generalRegisters;                                     --! General register read address (PortA)
           regFileReadAddrB : in  generalRegisters;                                     --! General register read address (PortB)
           regFileReadAddrB : in  generalRegisters;                                     --! General register read address (PortB)
           regFileEnA : in  STD_LOGIC;                                                                          --! Enable RegisterFile PortA
           regFileEnA : in  STD_LOGIC;                                                                          --! Enable RegisterFile PortA
Line 54... Line 54...
COMPONENT Multiplexer3_1 is
COMPONENT Multiplexer3_1 is
    generic (n : integer := nBits - 1);                                 --! Generic value (Used to easily change the size of the Alu on the package)
    generic (n : integer := nBits - 1);                                 --! Generic value (Used to easily change the size of the Alu on the package)
         Port ( A : in  STD_LOGIC_VECTOR (n downto 0);           --! First Input
         Port ( A : in  STD_LOGIC_VECTOR (n downto 0);           --! First Input
           B : in  STD_LOGIC_VECTOR (n downto 0);                --! Second Input
           B : in  STD_LOGIC_VECTOR (n downto 0);                --! Second Input
           C : in  STD_LOGIC_VECTOR (n downto 0);                --! Third Input
           C : in  STD_LOGIC_VECTOR (n downto 0);                --! Third Input
           sel : in  STD_LOGIC_VECTOR(1 downto 0);               --! Select inputs (1, 2, 3)
           sel : in dpMuxAluIn;                                                         --! Select inputs (fromMemory, fromImediate, fromRegFileA)
           S : out  STD_LOGIC_VECTOR (n downto 0));      --! Mux Output
           S : out  STD_LOGIC_VECTOR (n downto 0));      --! Mux Output
end COMPONENT;
end COMPONENT;
 
 
--! Component declaration to instantiate the Alu circuit
--! Component declaration to instantiate the Alu circuit
COMPONENT Alu
COMPONENT Alu

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