erster versuch das ganze mal zu flashen -> es blinkt!!111
[calu.git] / cpu / src / core_pkg.vhd
index 301a51792296413b233f0e39bb65b8f08d1af2e3..0072827490c593cda242776e3ada5b1acd0e565c 100644 (file)
@@ -4,6 +4,7 @@ use IEEE.std_logic_1164.all;
 use IEEE.numeric_std.all;
 
 use work.common_pkg.all;
+use work.extension_pkg.all;
 
 package core_pkg is
        
@@ -12,14 +13,14 @@ package core_pkg is
                        -- active reset value
                        RESET_VALUE : std_logic;
                        -- active logic value
-                       LOGIC_ACT : std_logic;
+                       LOGIC_ACT : std_logic
                        
                        );
        port(
                --System inputs
                        clk : in std_logic;
                        reset : in std_logic;
-
+               
                --Data inputs
                        jump_result : in instruction_addr_t;
                        prediction_result : in instruction_addr_t;
@@ -27,8 +28,8 @@ package core_pkg is
                        alu_jump_bit : in std_logic;
 
                --Data outputs
-                       instruction : out instruction_word_t
-
+                       instruction : out instruction_word_t;
+                       prog_cnt : out instruction_addr_t
                );
        end component fetch_stage;
 
@@ -39,30 +40,75 @@ package core_pkg is
                        -- active reset value
                        RESET_VALUE : std_logic;
                        -- active logic value
-                       LOGIC_ACT : std_logic;
+                       LOGIC_ACT : std_logic
                        
                        );
        port(
                --System inputs
                        clk : in std_logic;
                        reset : in std_logic;
+
+               --Data inputs
+                       instruction : in instruction_word_t;
+                       prog_cnt : in instruction_addr_t;
+                       reg_w_addr : in std_logic_vector(REG_ADDR_WIDTH-1 downto 0);
+                       reg_wr_data : in gp_register_t;
+                       reg_we : in std_logic;
+                       nop : in std_logic;
+
+               --Data outputs
+--                     reg1_rd_data : out gp_register_t;
+--                     reg2_rd_data : out gp_register_t;
+                       branch_prediction_res : out instruction_word_t;
+                       branch_prediction_bit : out std_logic;
+
+                       to_next_stage : out dec_op
                );
        end component decode_stage;
 
 
+       component decoder is
+
+       port(
+                       instruction : in instruction_word_t;
+                       instr_spl : out instruction_rec
+               
+               );
+
+       end component decoder;
 
        component execute_stage is
+       
        generic (
                        -- active reset value
-                       RESET_VALUE : std_logic;
+                       RESET_VALUE : std_logic
                        -- active logic value
-                       LOGIC_ACT : std_logic;
+                       --LOGIC_ACT : std_logic;
                        
                        );
        port(
                --System inputs
                        clk : in std_logic;
                        reset : in std_logic;
+                        dec_instr : in dec_op;
+                       regfile_val : in gp_register_t;
+                       reg_we : in std_logic;
+                       reg_addr : in gp_addr_t;
+                       ext_reg  : in extmod_rec;
+            --System output
+            result : out gp_register_t;--reg
+            result_addr : out gp_addr_t;--reg
+            addr : out word_t; --memaddr
+            data : out gp_register_t; --mem data --ureg
+            alu_jump : out std_logic;--reg
+            brpr  : out std_logic;  --reg
+            wr_en : out std_logic;--regop --reg
+            dmem  : out std_logic;--memop
+            dmem_write_en : out std_logic;
+            hword  : out std_logic;
+            byte_s : out std_logic;
+                               
+                       ext_data_out : out gp_register_t
                );
        end component execute_stage;
 
@@ -73,15 +119,36 @@ package core_pkg is
                        -- active reset value
                        RESET_VALUE : std_logic;
                        -- active logic value
-                       LOGIC_ACT : std_logic;
+                       LOGIC_ACT : std_logic
                        
                        );
        port(
                --System inputs
                        clk : in std_logic;
                        reset : in std_logic;
+
+                       result : in gp_register_t;      --reg  (alu result or jumpaddr)
+                       result_addr : in gp_addr_t;     --reg
+                       address : in word_t;            --ureg 
+                       ram_data : in word_t;           --ureg
+                       alu_jmp : in std_logic;         --reg
+                       br_pred : in std_logic;         --reg
+                       write_en : in std_logic;        --reg  (register file)
+                       dmem_en : in std_logic;         --ureg (jump addr in mem or in address)
+                       dmem_write_en : in std_logic;   --ureg
+                       hword : in std_logic;           --ureg
+                       byte_s : in std_logic;          --ureg  
+
+                       regfile_val : out gp_register_t;
+                       reg_we : out std_logic;
+                       reg_addr : out gp_addr_t;
+                       jump_addr : out instruction_addr_t;
+                       jump : out std_logic;
+                       -- same here
+                       bus_tx : out std_logic
                );
        end component writeback_stage;
 
 
+
 end package core_pkg;