这是在Xilinx 9.2 ise上用VHDL编写的代码。 NK = 4 NR = 10; VALUE = 43; K_IN是从用户在赛灵思AES上的密钥扩展模块:错误:信号上的多重接口
type STATEX is array(0 to 3, 0 to 3) of std_logic_vector (7 downto 0);
K_OUT形式的关键是
type KEYWORD is array (0 to 43) of std_logic_vector (31 downto 0);
子字的输出是返回32位输入的S盒值的成分。
我不知道在K_IN和K_OUT多信号源发生在哪里。请帮我弄清楚并解决这个问题。谢谢。
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_ARITH.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;
USE WORK.STATEVARIABLE.ALL;
ENTITY KEY_MODULE IS
PORT (
SYS_CLK: IN STD_LOGIC;
RST: IN STD_LOGIC;
S: IN STD_LOGIC;
K_IN: IN STATEX; ---- FOR 128 BITS KEY
K_OUT: OUT KEYWORD
);
END KEY_MODULE;
ARCHITECTURE BEHAVIORAL OF KEY_MODULE IS
SIGNAL SWORD_OUT: STD_LOGIC_VECTOR(31 DOWNTO 0);
SIGNAL TEMP: STD_LOGIC_VECTOR(31 DOWNTO 0);
SIGNAL TEMP_WORD: KEYWORD;
COMPONENT SUBWORD
PORT (
SYS_CLK: IN STD_LOGIC;
RST: IN STD_LOGIC;
S: IN STD_LOGIC;
WORD: IN STD_LOGIC_VECTOR(31 DOWNTO 0);
SWORD: OUT STD_LOGIC_VECTOR(31 DOWNTO 0)
);
END COMPONENT;
FUNCTION ROTWORD (A: STD_LOGIC_VECTOR(31 DOWNTO 0))
RETURN STD_LOGIC_VECTOR IS
VARIABLE OUTPUT: STD_LOGIC_VECTOR(31 DOWNTO 0);
BEGIN
OUTPUT := A(23 DOWNTO 16) & A(15 DOWNTO 8) & A(7 DOWNTO 0)&
A(31 DOWNTO 24);
RETURN OUTPUT;
END FUNCTION;
FUNCTION RCON (I: INTEGER) RETURN STD_LOGIC_VECTOR IS
VARIABLE OUTPUT: STD_LOGIC_VECTOR(31 DOWNTO 0);
VARIABLE TEMP1: STD_LOGIC_VECTOR(7 DOWNTO 0);
VARIABLE NUM: INTEGER;
BEGIN
NUM := 2**(I-1) REM 229 ;
TEMP1 := CONV_STD_LOGIC_VECTOR(NUM,8);
OUTPUT := TEMP1 & X"000000" ;
RETURN OUTPUT;
END FUNCTION;
BEGIN
G1: FOR J IN 0 TO NK-1 GENERATE
TEMP_WORD(J) <= K_IN(0,J) & K_IN(1,J) & K_IN(2,J) & K_IN(3,J);
END GENERATE G1;
G2: FOR J IN NK TO VALUE GENERATE
TEMP <= TEMP_WORD(J-1);
G3: IF J MOD NK = 0 GENERATE
UUT1 : SUBWORD
PORT MAP (
SYS_CLK => SYS_CLK,
RST => RST,
S => S,
WORD => ROTWORD(TEMP),
SWORD => SWORD_OUT
);
TEMP <= SWORD_OUT XOR RCON(J/NK);
END GENERATE G3;
G4: IF (NK > 6 AND (J MOD NK) = 4) GENERATE
UUT2 : SUBWORD
PORT MAP (
SYS_CLK => SYS_CLK,
RST => RST,
S => S,
WORD => TEMP,
SWORD => SWORD_OUT
);
TEMP <= SWORD_OUT;
END GENERATE G4;
TEMP_WORD(J) <= TEMP_WORD(J-NK) XOR TEMP;
END GENERATE G2;
K_OUT <= TEMP_WORD;
END BEHAVIORAL;
输出错误:
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><31>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><30>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><29>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><28>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><27>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><26>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><25>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_OUT<10><24>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><7>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><6>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><5>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><4>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><3>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><2>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><1>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><1><0>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><7>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><6>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><5>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><4>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><3>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><2>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><1>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><2><0>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><7>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><6>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><5>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><4>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><3>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><2>>
ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><1>> ERROR:Xst:528 - Multi-source in Unit <KEY_MODULE> on signal <K_IN<3><3><0>>
您的代码不是[最小,完整且可验证的示例](https://stackoverflow.com/help/mcve)缺少实体SUBWORD的声明,类型STATEX和KEYWORD或表观常数与基本类型的整数VALUE 。此外,本地没有KEY_IN的驱动程序,这意味着与其相关的错误在您所显示的代码的外部(驱动模式IN的端口是非法的)。 Ril_Dark解决TEMP_WORD的多个驱动程序问题。 – user1155120 2017-09-15 23:57:00
@ user1155120虽然你有一个观点,但我不认为这个两年半的问题仍然存在...... – JHBonarius 2017-09-16 07:40:12
今天有一个投票结束。 – user1155120 2017-09-16 07:51:38