tb_fpu.vhd

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

			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;
			
			 --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; opa_i <= "00000000001111111111111111111111"; 
			opb_i <= "00000000000000000000000000010000"; 
			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 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;	
			
			 --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; opa_i <= "10000000011101111111111111111101"; 
			opb_i <= "00111010000000000000000000000001"; 
			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 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;
			
			-- 2^-127x0.11 * 2^-0x1.0 = 2^-127x0.11
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000011000000000000000000000"; 
			opb_i <= "00111111100000000000000000000000"; 
			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;

			-- 2^-127x0.11 * 2^-1x1.0 = 2^-127x0.11
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000011000000000000000000000"; 
			opb_i <= "00111111000000000000000000000000"; 
			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;


			-- 2^-127x0.11 * 2^-2x1.11 
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000011000000000000000000000"; 
			opb_i <= "00111110111000000000000000000000"; 
			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;
			
			
			-- 2^-127x0.11 * 2^-0x1.11 
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000011000000000000000000000"; 
			opb_i <= "00111111111000000000000000000000"; 
			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;

			 --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000011110000000000000000000"; 
			opb_i <= "00111100111110000000000000000000"; 
			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 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;

			 --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; opa_i <= "01111111100000000000000000000000"; 
			opb_i <= "00000111000101111000001111100110"; 
			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 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;	
			
			 --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; opa_i <= "00000011111110100011111000101000"; 
			opb_i <= "00000111000101111000001111100110"; 
			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 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;
			
			 --		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; opa_i <= "00000000000000000000000000000000"; 
			opb_i <= "00000111000101111000001111100110"; 
			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 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;
			
			
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			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 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;	
			
			
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000011000000000000000000000"; 
			opb_i <= "00111111111000000000000000000000"; 
			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 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;

			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000000110000000000000000000000"; 
			opb_i <= "00111111000000000000000000000000"; 
			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
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "01111111110000000000000000000000"; 
			opb_i <= "00000000000000000000000000000001"; 
			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;
			
			
			-- ******* check rounding ********---
			
			--Round to nearst even
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000010000000000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000000"; 
			opb_i <= "00110010100000000000000000000000"; 
			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 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 <= "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 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 <= "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 and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000010000000000000000000000..1
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000001"; 
			opb_i <= "00110010100000000000000000000000"; 
			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 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 <= "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 and underflow_y=underflow_o
			report "Error!!!"
			severity failure;
			
			-- round up
			
			-- 			xx00000000000000000000000xxxxxxxxxxxxxxxxxxxxxxx
			-- fract2a= 000000000000000000000000010000000000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000000"; 
			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= 000000000000000000000000110000000000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001110000000000000000000000"; 
			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= 000000000000000000000000010000001000000000000000
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000001000000000000000"; 
			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= 0000000000000000000000000100000000000000000000001
			--		  seeeeeeeefffffffffffffffffffffff
		    wait for CLK_PERIOD; start_i <= '1'; 
		    opa_i <= "00000001100000000000000000000001";