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-rw-r--r--src/tb/tb_keywrap_mem.v59
1 files changed, 35 insertions, 24 deletions
diff --git a/src/tb/tb_keywrap_mem.v b/src/tb/tb_keywrap_mem.v
index 000bd16..0cc8ca0 100644
--- a/src/tb/tb_keywrap_mem.v
+++ b/src/tb/tb_keywrap_mem.v
@@ -42,11 +42,15 @@ module tb_keywrap_mem();
//----------------------------------------------------------------
// Parameters.
//----------------------------------------------------------------
+ parameter DEBUG = 1;
+
parameter CLK_HALF_PERIOD = 1;
parameter CLK_PERIOD = 2 * CLK_HALF_PERIOD;
- parameter API_ADDR_MAX = 2**14 - 1;
- parameter CORE_ADDR_MAX = 2**13 - 1;
+ parameter API_ADDR_BITS = 4;
+ parameter CORE_ADDR_BITS = API_ADDR_BITS - 1;
+ parameter API_ADDR_MAX = (2 ** API_ADDR_BITS) - 1;
+ parameter CORE_ADDR_MAX = (2 ** CORE_ADDR_BITS) - 1;
//----------------------------------------------------------------
@@ -56,21 +60,22 @@ module tb_keywrap_mem();
reg [31 : 0] error_ctr;
reg [31 : 0] tc_ctr;
- reg tb_clk;
- reg tb_api_we;
- reg [13 : 0] tb_api_addr;
- reg [31 : 0] tb_api_wr_data;
- wire [31 : 0] tb_api_rd_data;
- reg tb_core_we;
- reg [12 : 0] tb_core_addr;
- reg [63 : 0] tb_core_wr_data;
- wire [63 : 0] tb_core_rd_data;
+ reg tb_clk;
+ reg tb_api_we;
+ reg [(API_ADDR_BITS - 1) : 0] tb_api_addr;
+ reg [31 : 0] tb_api_wr_data;
+ wire [31 : 0] tb_api_rd_data;
+ reg tb_core_we;
+ reg [(CORE_ADDR_BITS - 1) : 0] tb_core_addr;
+ reg [63 : 0] tb_core_wr_data;
+ wire [63 : 0] tb_core_rd_data;
//----------------------------------------------------------------
// Device Under Test.
//----------------------------------------------------------------
- keywrap_mem dut(
+ keywrap_mem #(.API_ADDR_BITS(API_ADDR_BITS))
+ dut(
.clk(tb_clk),
.api_we(tb_api_we),
.api_addr(tb_api_addr),
@@ -120,11 +125,11 @@ module tb_keywrap_mem();
cycle_ctr = 0;
tb_clk = 0;
- tb_api_we = 0;
- tb_api_addr = 14'h0;
+ tb_api_we = 1'h0;
+ tb_api_addr = {API_ADDR_BITS{1'h0}};
tb_api_wr_data = 32'h0;
- tb_core_we = 0;
- tb_core_addr = 13'h0;
+ tb_core_we = 1'h0;
+ tb_core_addr = {CORE_ADDR_BITS{1'h0}};
tb_core_wr_data = 64'h0;
#(CLK_PERIOD);
@@ -140,11 +145,12 @@ module tb_keywrap_mem();
reg [13 : 0] addr_ctr;
- for (addr_ctr = 0 ; addr_ctr < API_ADDR_MAX ; addr_ctr = addr_ctr + 1)
+ $display("Content of the memory:");
+ for (addr_ctr = 0 ; addr_ctr <= API_ADDR_MAX ; addr_ctr = addr_ctr + 1)
begin
tb_api_addr = addr_ctr;
#(CLK_PERIOD);
- $display("api_mem [0x%05x] = 0x%08x", addr_ctr, tb_api_rd_data);
+ $display("api_mem [0x%08x] = 0x%08x", addr_ctr, tb_api_rd_data);
end
end
endtask // dump_api_mem
@@ -158,11 +164,12 @@ module tb_keywrap_mem();
reg [12 : 0] addr_ctr;
- for (addr_ctr = 0 ; addr_ctr < CORE_ADDR_MAX ; addr_ctr = addr_ctr + 1)
+ $display("Content of the memory:");
+ for (addr_ctr = 0 ; addr_ctr <= CORE_ADDR_MAX ; addr_ctr = addr_ctr + 1)
begin
tb_core_addr = addr_ctr;
#(CLK_PERIOD);
- $display("core_mem [0x%04x] = 0x%016x", addr_ctr, tb_core_rd_data);
+ $display("core_mem [0x%08x] = 0x%016x", addr_ctr, tb_core_rd_data);
end
end
endtask // dump_core_mem
@@ -177,7 +184,7 @@ module tb_keywrap_mem();
$display("** TC CORE RMW START");
- for (addr_ctr = 0 ; addr_ctr < CORE_ADDR_MAX ; addr_ctr = addr_ctr + 1)
+ for (addr_ctr = 0 ; addr_ctr <= CORE_ADDR_MAX ; addr_ctr = addr_ctr + 1)
begin
tb_core_addr = addr_ctr;
#(CLK_PERIOD);
@@ -199,7 +206,7 @@ module tb_keywrap_mem();
//----------------------------------------------------------------
task test_api_write;
begin : test_api_write
- reg [13 : 0] addr_ctr;
+ reg [(API_ADDR_BITS - 1) : 0] addr_ctr;
$display("** TC API WRITE START");
@@ -207,7 +214,11 @@ module tb_keywrap_mem();
begin
tb_api_we = 1;
tb_api_addr = addr_ctr;
- tb_api_wr_data = {2'h0, addr_ctr, 2'h0, addr_ctr};
+ tb_api_wr_data = {{(32 - API_ADDR_BITS){1'h0}}, addr_ctr,
+ {(32 - API_ADDR_BITS){1'h1}}, addr_ctr};
+ if (DEBUG)
+ $display("Writing 0x%08x to address 0x%08x", tb_api_wr_data, tb_api_addr);
+
#(CLK_PERIOD);
tb_api_we = 0;
end
@@ -224,7 +235,7 @@ module tb_keywrap_mem();
// test_api_read;
//----------------------------------------------------------------
task test_api_read;
- begin : test_api_reaqd
+ begin : test_api_read
$display("** TC API READ START");