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ЛР3,7,12. Убрано использование магических констант при работе с памятью

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Данная логика не используется в реальных проектах и добавляет большие
мультиплексоры, отрицательно сказывающиеся на таймингах схемы.
This commit is contained in:
Andrei Solodovnikov
2023-11-15 17:59:41 +03:00
parent 1da4ed0173
commit a47e4d441c
10 changed files with 73 additions and 127 deletions
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49
Labs/03. Register file and memory/tb_data_mem.sv
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@@ -63,32 +63,17 @@ parameter STEP = 8;
end
end
for (i = 0; i < (ADDR_SIZE+STEP); i = i + 1 + $urandom() % STEP) begin
if (i < (ADDR_SIZE)) begin
REQ = |($urandom %10);
WE = 0;
#TIME_OPERATION;
RDa = RD;
WD = $urandom;
#TIME_OPERATION;
WE = $urandom % 2;
#TIME_OPERATION;
if ((WE && REQ || !REQ) && RD !== 32'd4195425967) begin
$error("When writing (write_enable_i = %h) read_data_o should be equal to fa11_1eaf, your data: %h_%h, time: %t", WE, RD[31:16],RD[15:0], $time);
err_count = err_count + 1;
end
if ((!WE && REQ) && RD !== RDa) begin
$error("When reading (write_enable_i = %h), the data %h is overwritten with data %h at address %h, time: %t", WE, RDa, RD, A, $time);
err_count = err_count + 1;
end
end
else begin
WE = 0;
REQ = 1;
#TIME_OPERATION;
if (RD !== 32'd3735928559) begin
$error("When reading (write_enable_i = %h) at address greater than 16383 (current addr = %d), it should return dead_beef, but your data: %h_%h, time: %t", WE, A, RD[31:16],RD[15:0], $time);
err_count = err_count + 1;
end
REQ = |($urandom %10);
WE = 0;
#TIME_OPERATION;
RDa = RD;
WD = $urandom;
#TIME_OPERATION;
WE = $urandom % 2;
#TIME_OPERATION;
if ((!WE && REQ) && RD !== RDa) begin
$error("When reading (write_enable_i = %h), the data %h is overwritten with data %h at address %h, time: %t", WE, RDa, RD, A, $time);
err_count = err_count + 1;
end
#TIME_OPERATION;
end
@@ -96,9 +81,9 @@ parameter STEP = 8;
REQ = 1;
WE = 0;
#TIME_OPERATION;
for (i = 0; i < 4; i = i + 1) begin
if(i==0) begin
repeat(2)@(posedge CLK);
for (i = 0; i < 4; i = i + 1) begin
if(i==0) begin
repeat(2)@(posedge CLK);
#1; RDa = RD;
end else
if(RD !== RDa) begin
@@ -118,12 +103,6 @@ parameter STEP = 8;
err_count = err_count + 1;
end
@(posedge CLK);
i = {14{1'b1}};
repeat(2) @(posedge CLK);
if (RD === 'd3735928559) begin
$error("incorrect reading from address = %d, data = %h", A, RD);
err_count = err_count + 1;
end
$display("Number of errors: %d", err_count);
if( !err_count ) $display("\ndata_mem SUCCESS!!!\n");
$finish();