我有一个生成语句的问题。我生成一个流水线结构,基本的问题是,我需要除了索引另一个柜台或变量:生成语句中的信号或变量计数器
architecture behav of blockPipelineCordic is
constant total: integer := stepNumber + stepNumber/pipeStep;
signal signVector: std_logic_vector((stepNumber - 1) downto 0);
signal lx: std_logic_vector(((total + 1)*dataSize - 1) downto 0);
signal ly: std_logic_vector(((total + 1)*dataSize - 1) downto 0);
signal signCounter: integer := stepNumber - 1;
begin
stepGen:
for i in (total - 1) downto 0 generate
begin
signCounter <= signCounter - 1 when ((total - i) mod (pipeStep + 1) /= 0) else signCounter;
stepGen0: if((total - i) mod (pipeStep + 1) /= 0) generate
begin U1: entity work.cordicStep(behav)
generic map ((totalStepNumber - 1) - i,dataSize)
port map(signVector(signCounter),lx(((i+2)*dataSize-1) downto (i+1)*dataSize),ly(((i+2)*dataSize-1) downto (i+1)*dataSize),lx(((i+1)*dataSize-1) downto i*dataSize),ly(((i+1)*dataSize-1) downto i*dataSize));
end generate stepGen0;
stepGen1: if((total - i) mod (pipeStep + 1) = 0) generate
begin U2: entity work.registerModule(behav)
generic map (dataSize)
port map(clk,lx(((i+2)*dataSize-1) downto (i+1)*dataSize),lx(((i+1)*dataSize-1) downto i*dataSize));
end generate stepGen1;
stepGen2: if((total - i) mod (pipeStep + 1) = 0) generate
begin U3: entity work.registerModule(behav)
generic map (dataSize)
port map(clk,ly(((i+2)*dataSize-1) downto (i+1)*dataSize),ly(((i+1)*dataSize-1) downto i*dataSize));
end generate stepGen2;
end generate stepGen;
. . .
在第一个结构,我需要使用不同的指标来signVector的一代,我创建一个用作计数器的信号(端口映射(signVector(signCounter),lx(((i + 2)* dataSize-1)downto),但不能用作索引,错误是:“Actual(索引名称)正式的“亚健康”是不是一个静态的信号名字。”
任何帮助,将不胜感激:),TY
你'signCounter'分配'total'倍!记住所有'<='是**并发**分配。 – wap26