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mcwaccent |
--
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-- jtbl.vhd
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--
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-- jump table for java bc to jvm address
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--
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-- DONT edit this file!
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-- generated by Jopa.java
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--
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_arith.all;
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use ieee.std_logic_unsigned.all;
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entity jtbl is
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port (
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bcode : in std_logic_vector(7 downto 0);
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int_pend : in std_logic;
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exc_pend : in std_logic;
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q : out std_logic_vector(10 downto 0)
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);
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end jtbl;
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--
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-- unregistered rdbcode
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-- unregistered dout
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--
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architecture rtl of jtbl is
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signal addr : std_logic_vector(10 downto 0);
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begin
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process(bcode) begin
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case bcode is
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when "00000000" => addr <= "00001111010"; -- 007a nop
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when "00000010" => addr <= "00001111011"; -- 007b iconst_m1
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when "00000001" => addr <= "00001111100"; -- 007c aconst_null
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when "00000011" => addr <= "00001111100"; -- 007c iconst_0
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when "00000100" => addr <= "00001111101"; -- 007d iconst_1
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when "00000101" => addr <= "00001111110"; -- 007e iconst_2
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when "00000110" => addr <= "00001111111"; -- 007f iconst_3
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when "00000111" => addr <= "00010000000"; -- 0080 iconst_4
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when "00001000" => addr <= "00010000001"; -- 0081 iconst_5
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when "00010000" => addr <= "00010000010"; -- 0082 bipush
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when "00010001" => addr <= "00010000100"; -- 0084 sipush
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when "00010010" => addr <= "00010000111"; -- 0087 ldc
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when "00010011" => addr <= "00010001110"; -- 008e ldc_w
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when "00011001" => addr <= "00010010110"; -- 0096 aload
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when "00010111" => addr <= "00010010110"; -- 0096 fload
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when "00010101" => addr <= "00010010110"; -- 0096 iload
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when "00101010" => addr <= "00010011000"; -- 0098 aload_0
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when "00100010" => addr <= "00010011000"; -- 0098 fload_0
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when "00011010" => addr <= "00010011000"; -- 0098 iload_0
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when "00101011" => addr <= "00010011001"; -- 0099 aload_1
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when "00100011" => addr <= "00010011001"; -- 0099 fload_1
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when "00011011" => addr <= "00010011001"; -- 0099 iload_1
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when "00101100" => addr <= "00010011010"; -- 009a aload_2
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when "00100100" => addr <= "00010011010"; -- 009a fload_2
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when "00011100" => addr <= "00010011010"; -- 009a iload_2
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when "00101101" => addr <= "00010011011"; -- 009b aload_3
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when "00100101" => addr <= "00010011011"; -- 009b fload_3
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when "00011101" => addr <= "00010011011"; -- 009b iload_3
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when "00111010" => addr <= "00010011100"; -- 009c astore
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when "00111000" => addr <= "00010011100"; -- 009c fstore
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when "00110110" => addr <= "00010011100"; -- 009c istore
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when "01001011" => addr <= "00010011110"; -- 009e astore_0
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when "01000011" => addr <= "00010011110"; -- 009e fstore_0
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when "00111011" => addr <= "00010011110"; -- 009e istore_0
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when "01001100" => addr <= "00010011111"; -- 009f astore_1
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when "01000100" => addr <= "00010011111"; -- 009f fstore_1
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when "00111100" => addr <= "00010011111"; -- 009f istore_1
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when "01001101" => addr <= "00010100000"; -- 00a0 astore_2
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when "01000101" => addr <= "00010100000"; -- 00a0 fstore_2
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when "00111101" => addr <= "00010100000"; -- 00a0 istore_2
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when "01001110" => addr <= "00010100001"; -- 00a1 astore_3
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when "01000110" => addr <= "00010100001"; -- 00a1 fstore_3
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when "00111110" => addr <= "00010100001"; -- 00a1 istore_3
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when "01010111" => addr <= "00010100010"; -- 00a2 pop
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when "01011000" => addr <= "00010100011"; -- 00a3 pop2
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when "01011001" => addr <= "00010100101"; -- 00a5 dup
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when "01011010" => addr <= "00010100110"; -- 00a6 dup_x1
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when "01011011" => addr <= "00010101011"; -- 00ab dup_x2
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when "01011100" => addr <= "00010110010"; -- 00b2 dup2
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when "01011101" => addr <= "00010111000"; -- 00b8 dup2_x1
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when "01011110" => addr <= "00011000000"; -- 00c0 dup2_x2
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when "01011111" => addr <= "00011001010"; -- 00ca swap
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when "01100000" => addr <= "00011001110"; -- 00ce iadd
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when "01100100" => addr <= "00011001111"; -- 00cf isub
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when "01110100" => addr <= "00011010000"; -- 00d0 ineg
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when "01111110" => addr <= "00011010100"; -- 00d4 iand
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when "10000000" => addr <= "00011010101"; -- 00d5 ior
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when "10000010" => addr <= "00011010110"; -- 00d6 ixor
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when "01111000" => addr <= "00011010111"; -- 00d7 ishl
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when "01111010" => addr <= "00011011000"; -- 00d8 ishr
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when "01111100" => addr <= "00011011001"; -- 00d9 iushr
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when "01101000" => addr <= "00011011010"; -- 00da imul
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when "10000100" => addr <= "00011100110"; -- 00e6 iinc
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when "10010010" => addr <= "00011101110"; -- 00ee i2c
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when "11000110" => addr <= "00011110000"; -- 00f0 ifnull
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when "11000111" => addr <= "00011110000"; -- 00f0 ifnonnull
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when "10011001" => addr <= "00011110000"; -- 00f0 ifeq
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when "10011010" => addr <= "00011110000"; -- 00f0 ifne
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when "10011011" => addr <= "00011110000"; -- 00f0 iflt
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when "10011100" => addr <= "00011110000"; -- 00f0 ifge
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when "10011101" => addr <= "00011110000"; -- 00f0 ifgt
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when "10011110" => addr <= "00011110000"; -- 00f0 ifle
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when "10100101" => addr <= "00011110100"; -- 00f4 if_acmpeq
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when "10100110" => addr <= "00011110100"; -- 00f4 if_acmpne
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when "10011111" => addr <= "00011110100"; -- 00f4 if_icmpeq
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when "10100000" => addr <= "00011110100"; -- 00f4 if_icmpne
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when "10100001" => addr <= "00011110100"; -- 00f4 if_icmplt
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when "10100010" => addr <= "00011110100"; -- 00f4 if_icmpge
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when "10100011" => addr <= "00011110100"; -- 00f4 if_icmpgt
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when "10100100" => addr <= "00011110100"; -- 00f4 if_icmple
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when "10100111" => addr <= "00011111000"; -- 00f8 goto
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when "11100000" => addr <= "00011111100"; -- 00fc getstatic_ref
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when "10110010" => addr <= "00011111100"; -- 00fc getstatic
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when "10110011" => addr <= "00100000011"; -- 0103 putstatic
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when "11100010" => addr <= "00100001011"; -- 010b getfield_ref
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when "10110100" => addr <= "00100001011"; -- 010b getfield
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when "11101001" => addr <= "00100001110"; -- 010e jopsys_getfield
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when "10110101" => addr <= "00100010011"; -- 0113 putfield
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when "11101010" => addr <= "00100010111"; -- 0117 jopsys_putfield
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when "10111100" => addr <= "00100011100"; -- 011c newarray
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when "10111110" => addr <= "00100110011"; -- 0133 arraylength
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when "01010100" => addr <= "00100111001"; -- 0139 bastore
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when "01010101" => addr <= "00100111001"; -- 0139 castore
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when "01010001" => addr <= "00100111001"; -- 0139 fastore
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when "01001111" => addr <= "00100111001"; -- 0139 iastore
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when "01010110" => addr <= "00100111001"; -- 0139 sastore
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when "00110010" => addr <= "00100111111"; -- 013f aaload
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when "00110011" => addr <= "00100111111"; -- 013f baload
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when "00110100" => addr <= "00100111111"; -- 013f caload
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when "00110000" => addr <= "00100111111"; -- 013f faload
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when "00101110" => addr <= "00100111111"; -- 013f iaload
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when "00110101" => addr <= "00100111111"; -- 013f saload
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when "11000010" => addr <= "00101000100"; -- 0144 monitorenter
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when "11000011" => addr <= "00101010110"; -- 0156 monitorexit
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when "10110111" => addr <= "00101101010"; -- 016a invokespecial
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when "10111000" => addr <= "00101101010"; -- 016a invokestatic
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when "11011110" => addr <= "00101110010"; -- 0172 jopsys_invoke
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when "10111001" => addr <= "00101110110"; -- 0176 invokeinterface
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when "11101100" => addr <= "00110101000"; -- 01a8 invokesuper
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when "10110110" => addr <= "00111010111"; -- 01d7 invokevirtual
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when "10110000" => addr <= "01000111001"; -- 0239 areturn
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when "10101110" => addr <= "01000111001"; -- 0239 freturn
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when "10101100" => addr <= "01000111001"; -- 0239 ireturn
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when "10101111" => addr <= "01001010000"; -- 0250 dreturn
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when "10101101" => addr <= "01001010000"; -- 0250 lreturn
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when "10110001" => addr <= "01001101001"; -- 0269 return
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when "00010100" => addr <= "01010010010"; -- 0292 ldc2_w
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when "00001001" => addr <= "01010100011"; -- 02a3 lconst_0
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when "00001010" => addr <= "01010100101"; -- 02a5 lconst_1
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when "10001000" => addr <= "01010100111"; -- 02a7 l2i
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when "00100110" => addr <= "01010101010"; -- 02aa dload_0
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when "00011110" => addr <= "01010101010"; -- 02aa lload_0
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when "00100111" => addr <= "01010101100"; -- 02ac dload_1
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when "00011111" => addr <= "01010101100"; -- 02ac lload_1
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when "00101000" => addr <= "01010101110"; -- 02ae dload_2
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when "00100000" => addr <= "01010101110"; -- 02ae lload_2
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when "00101001" => addr <= "01010110000"; -- 02b0 dload_3
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when "00100001" => addr <= "01010110000"; -- 02b0 lload_3
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when "00011000" => addr <= "01010111011"; -- 02bb dload
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when "00010110" => addr <= "01010111011"; -- 02bb lload
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when "01000111" => addr <= "01011000110"; -- 02c6 dstore_0
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when "00111111" => addr <= "01011000110"; -- 02c6 lstore_0
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when "01001000" => addr <= "01011001000"; -- 02c8 dstore_1
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when "01000000" => addr <= "01011001000"; -- 02c8 lstore_1
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when "01001001" => addr <= "01011001010"; -- 02ca dstore_2
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when "01000001" => addr <= "01011001010"; -- 02ca lstore_2
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when "01001010" => addr <= "01011001100"; -- 02cc dstore_3
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when "01000010" => addr <= "01011001100"; -- 02cc lstore_3
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when "00111001" => addr <= "01011010111"; -- 02d7 dstore
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when "00110111" => addr <= "01011010111"; -- 02d7 lstore
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when "11100100" => addr <= "01011100010"; -- 02e2 getstatic_long
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when "11100101" => addr <= "01011110010"; -- 02f2 putstatic_long
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when "11100110" => addr <= "01100000011"; -- 0303 getfield_long
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when "11100111" => addr <= "01100011101"; -- 031d putfield_long
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when "01010000" => addr <= "01100111010"; -- 033a lastore
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when "00101111" => addr <= "01101101010"; -- 036a laload
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when "10111011" => addr <= "01110111110"; -- 03be new
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when "10111101" => addr <= "01110111110"; -- 03be anewarray
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when "11000000" => addr <= "01110111110"; -- 03be checkcast
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when "11000001" => addr <= "01110111110"; -- 03be instanceof
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when "11100011" => addr <= "01111011011"; -- 03db putfield_ref
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when "11100001" => addr <= "01111011011"; -- 03db putstatic_ref
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when "11010001" => addr <= "01111110011"; -- 03f3 jopsys_rd
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when "11010011" => addr <= "01111110011"; -- 03f3 jopsys_rdmem
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when "11010010" => addr <= "01111110111"; -- 03f7 jopsys_wr
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when "11010100" => addr <= "01111110111"; -- 03f7 jopsys_wrmem
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when "11010101" => addr <= "01111111100"; -- 03fc jopsys_rdint
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when "11010110" => addr <= "01111111111"; -- 03ff jopsys_wrint
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when "11010111" => addr <= "10000000010"; -- 0402 jopsys_getsp
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when "11011000" => addr <= "10000000101"; -- 0405 jopsys_setsp
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when "11011001" => addr <= "10000001001"; -- 0409 jopsys_getvp
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when "11011010" => addr <= "10000001010"; -- 040a jopsys_setvp
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when "11011011" => addr <= "10000001100"; -- 040c jopsys_int2ext
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when "11011100" => addr <= "10000100111"; -- 0427 jopsys_ext2int
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when "11101000" => addr <= "10001000011"; -- 0443 jopsys_memcpy
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when "11011101" => addr <= "10001001000"; -- 0448 jopsys_nop
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when others => addr <= "01110101011"; -- 03ab sys_noim
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end case;
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end process;
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process(int_pend, exc_pend, addr) begin
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q <= addr;
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if exc_pend='1' then
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q <= "01110011111"; -- 039f sys_exc
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elsif int_pend='1' then
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q <= "01110010101"; -- 0395 sys_int
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end if;
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end process;
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end rtl;
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