Verilog未完全读取该文件
我试图从文件中读取输入,但它没有完全读取文件。如果有100个条目,它将只读取99。这是文件和代码。任何帮助都将不胜感激。我怎么知道?它基本上是Verilog未完全读取该文件,verilog,Verilog,我试图从文件中读取输入,但它没有完全读取文件。如果有100个条目,它将只读取99。这是文件和代码。任何帮助都将不胜感激。我怎么知道?它基本上是hit_count和miss_count的总和,应该是文件中输入的总数,这就是缺少的1 module cache_memory_direct_mapped(input clk, input reset, input [3:0]read_addr,
hit_count
和miss_count
的总和,应该是文件中输入的总数,这就是缺少的1
module cache_memory_direct_mapped(input clk,
input reset,
input [3:0]read_addr,
output reg hit,
output reg miss,
output reg [7:0]hit_count,
output reg [7:0]miss_count);
reg [1:0]c1[3:0];
initial
begin
hit_count =8'h00;
miss_count = 8'h00;
end
always @(posedge clk, posedge reset)
begin
if(reset)
begin
c1[0] <= 2'hx;
c1[1] <= 2'hx;
c1[2] <= 2'hx;
c1[3] <= 2'hx;
end
else
begin
if(read_addr[3:2] == c1[0] || read_addr[3:2] == c1[1] || read_addr[3:2] == c1[2] || read_addr[3:2]
== c1[3])
begin
hit <= 1;
hit_count <= hit_count + 1;
miss <= 0;
end
else
begin
hit <= 0;
miss <= 1;
miss_count <= miss_count + 1;
if(read_addr[1:0] == 2'b0 )
c1[0] <= read_addr[3:2];
else if(read_addr[1:0] == 2'b1 )
c1[1] <= read_addr[3:2];
else if(read_addr[1:0] == 2'b10 )
c1[2] <= read_addr[3:2];
else if(read_addr[1:0] == 2'b11 )
c1[3] <= read_addr[3:2];
end
end
end
endmodule
module Tb_direct_mapped;
// Inputs
reg clk;
reg reset;
reg [3:0] read_addr;
// Outputs
wire hit;
wire miss;
wire [7:0]hit_count;
wire [7:0]miss_count;
integer data_file ; // file handler
integer scan_file ; // file handler
reg [4:0]captured_data;
// Instantiate the Unit Under Test (UUT)
cache_memory_direct_mapped uut (
.clk(clk),
.reset(reset),
.read_addr(read_addr),
.hit(hit),
.miss(miss),
.hit_count(hit_count),
.miss_count(miss_count)
);
initial begin
// Initialize Inputs
clk = 0;
reset = 0;
data_file = $fopen("data_file.txt", "r");
end
always
#10 clk= ~clk;
always @(posedge clk) begin
scan_file = $fscanf(data_file, "%h\n", captured_data);
if (!$feof(data_file)) begin
read_addr <= captured_data;
//$strobe(hit_count);
end
else begin
//$display("The total hit counts are:");
$display(hit_count);
$display(miss_count);
$finish;
end
end
endmodule
在读取文件的每一行之前检查EOF:
6
9
4
A
8
2
9
5
7
9
7
4
9
7
6
8
always @(posedge clk) begin
if (!$feof(data_file)) begin
scan_file = $fscanf(data_file, "%h\n", captured_data);
read_addr <= captured_data;
//$strobe(hit_count);
end
else begin
//$display("The total hit counts are:");
$display(hit_count);
$display(miss_count);
$finish;
end
end
始终@(posedge clk)开始
如果(!$feof(数据文件))开始
扫描文件=$fscanf(数据文件,“%h\n”,捕获的数据);
读地址