use IEEE.numeric_std.all;
use work.common_pkg.all;
+use work.extension_pkg.all;
--use work.core_extension.all;
package alu_pkg is
- type status_rec is record
- zero : std_logic;
- oflo : std_logic;
- sign : std_logic;
- carry : std_logic;
- end record;
-
- constant PADDR_WIDTH : integer := 2;
- type pointers_t is array(0 to 2**PADDR_WIDTH-1) of gp_register_t;
- subtype paddr_t is std_logic_vector(PADDR_WIDTH-1 downto 0);
-
- subtype status_t is byte_t;
--type alu_interal_rec is record
--
--end record alu_internal_rec;
op_group : in op_info_t;
left_operand : in gp_register_t;
right_operand : in gp_register_t;
- displacement : in gp_register_t;
- prog_cnt : in instr_addr_t;
- brpr : in std_logic;
+
+ displacement : in gp_register_t;
+ prog_cnt : in instr_addr_t;
+ brpr : in std_logic;
+
op_detail : in op_opt_t;
+
alu_state : in alu_result_rec;
+ pval : in gp_register_t;
+
alu_result : out alu_result_rec;
- addr : out word_t; --memaddr
- data : out gp_register_t --mem data --ureg
+ addr : out word_t; --memaddr
+ data : out gp_register_t; --mem data --ureg
+
+ pinc : out std_logic;
+ pwr_en : out std_logic;
+ paddr : out paddr_t
);
end component alu;