Quartus初始化RAM [英] Quartus initializing RAM

问题描述

我创建了一个实体，Quartus在其中成功识别了RAM，并为其实例化了RAM宏功能.如果可以从文件初始化该RAM，那就太好了.我找到了制作此类文件(.mif文件)的教程.现在，我已经创建了该文件，现在我不知道如何使quartus初始化该模块.感谢您的帮助.

I made an entity in which quartus successfully recognizes RAM, and instantiates a RAM megafunction for it. It would be nice if I could initialize that RAM from a file. I found tutorials for making such file (.mif file). Now that I have created that file, i don't know how to make quartus initialize that module. Any help is appreciated.

这是我的RAM实体:

library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;

entity RAM is
    port (
        clk: in std_logic;
        we: in std_logic;
        data_in: in std_logic_vector (7 downto 0);
        read_addr: in integer range 0 to 65535;
        write_addr: in integer range 0 to 65535;
        data_out: out std_logic_vector (7 downto 0)
    );
end entity RAM;

architecture RAM_arch of RAM is
type memory is array (65535 downto 0) of std_logic_vector (7 downto 0);
signal content: memory;     
begin
    process(clk)
    begin
        if (RISING_EDGE(clk)) then
            if (we = '1') then
                content(write_addr) <= data_in;
            end if;
            data_out <= content(read_addr);
        end if;
    end process;
end architecture;

推荐答案

在此文档，这是从文件初始化内存的正确方法:

As specified in this document this is the proper way to init memory from file:

signal content: memory;
attribute ram_init_file : string;
attribute ram_init_file of content:
signal is "init.mif";

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