tb_fpu.vhd

来自「Java Op Processor java vhdl processor」· VHDL 代码 · 共 1,389 行 · 第 1/5 页

			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "10";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000000000000000000000000000..1
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000001"; 
			opb_i <= "00011001000000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "10";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;


			-- round down
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000010000000000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "11";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;

			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000110000000000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001110000000000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "11";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;

			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000010000001000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000001000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "11";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 0000000000000000000000000100000000000000000000001
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000001"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "11";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000000000000000000000000000..1
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000001"; 
			opb_i <= "00011001000000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "11";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			
			-- round to zero
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000010000000000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "01";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;

			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000110000000000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001110000000000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "01";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;

			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000010000001000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000001000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "01";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 0000000000000000000000000100000000000000000000001
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000001"; 
			opb_i <= "00110010100000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "01";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000000000000000000000000000..1
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000001"; 
			opb_i <= "00011001000000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "01";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			
			-- inf 2^100x1.0 * 2^128x1.0 =
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01110001100000000000000000000000"; 
			opb_i <= "01001101100000000000000000000001"; 
			fpu_op_i <= "010";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			
			-- inf * 0
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01111111110000000000000000000000"; 
			opb_i <= "00000000000000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			
			-- Qnan * n
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01111111110000000000000000000001"; 
			opb_i <= "00000010000000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			
			-- Snan * n
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01111111100000000000000000000001"; 
			opb_i <= "00000010000000000000000000000000"; 
			fpu_op_i <= "010";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			

--************* Division Test Vectors************************************************************	

		    -- round to nearset even 
		    --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01000001101010000000000000000000"; --21 
			opb_i <= "01000000010000000000000000000000"; --3
			fpu_op_i <= "011";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;	

		    --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01000001111111111111111111111111";  
			opb_i <= "01000000000000000000000000000000"; 
			fpu_op_i <= "011";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00111111100000000000000000000000";  
			opb_i <= "01000000010000000000000000000000"; 
			fpu_op_i <= "011";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			
			-- 0 / x
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000000000000000000000000000";  
			opb_i <= "01000000010000000000000000000000"; 
			fpu_op_i <= "011";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			
			-- x / 0
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01000000000000000000000000000000";  
			opb_i <= "00000000000000000000000000000000"; 
			fpu_op_i <= "011";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y and underflow_o=underflow_y and inf_o=inf_y and zero_y=zero_o and div_zero_o=div_by_zero_y and qnan_o=qnan_y and snan_o=snan_y
			report "Error!!!"
			severity failure;
			
			
			-- overflow
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01000000000000000000000000000000";  
			opb_i <= "00000000010000000000000000000000"; 
			fpu_op_i <= "011";
			rmode_i <= "00";
			wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
			assert output_o=fpout_y and ine_o=ine_y and overflow_o=overflow_y