library IEEE;

use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;

package common_pkg is
	
	constant WORD_WIDTH  : INTEGER := 32;
	constant BYTE_WIDTH  : INTEGER :=  8;

	constant INSTR_ADDR_WIDTH  	: INTEGER := 32;
	constant PHYS_INSTR_ADDR_WIDTH 	: INTEGER := 11;
	constant REG_ADDR_WIDTH		: INTEGER := 4;
	constant DATA_ADDR_WIDTH	: INTEGER := 32;
	constant PHYS_DATA_ADDR_WIDTH	: INTEGER := 32;

	subtype instruction_word_t is std_logic_vector(WORD_WIDTH-1 downto 0);
	subtype instruction_addr_t is std_logic_vector(INSTR_ADDR_WIDTH-1 downto 0);
	
	subtype gp_register_t is std_logic_vector(WORD_WIDTH-1 downto 0);

	subtype data_ram_word_t is std_logic_vector(WORD_WIDTH-1 downto 0);
	subtype data_ram_addr_t is std_logic_vecotr(DATA_ADDR_WIDTH-1 downto 0);
	
end package common_pkg;