diff options
| -rw-r--r-- | src/tb/tb_keywrap_mkmif.v | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/src/tb/tb_keywrap_mkmif.v b/src/tb/tb_keywrap_mkmif.v index faef1df..1acce3d 100644 --- a/src/tb/tb_keywrap_mkmif.v +++ b/src/tb/tb_keywrap_mkmif.v @@ -204,27 +204,40 @@ module tb_keywrap_mkmif(); //---------------------------------------------------------------- - // test_auto_load + // wait_ready() + // + // Wait for ready to be asserted. + //---------------------------------------------------------------- + task wait_ready; + begin + while (!tb_ready) + #(CLK_PERIOD); + + $display("Ready has been set."); + end + endtask // wait_ready + + + //---------------------------------------------------------------- + // test_init_mem //---------------------------------------------------------------- - task test_auto_load; + task test_init_mem; begin tc_ctr = tc_ctr + 1; - $display("TEST AUTO-LOAD START"); - $display("Check that key and key status is read automatically after reset."); + $display("TEST INIT-MEM START"); + $display("Check that the memory is configured when pulling init."); $display(); - // Observe SPI for a number of cycles. Reset the DUT during observation. - show_spi = 1; - #(10 * CLK_PERIOD); - reset_dut(); - #(100 * CLK_PERIOD); - show_spi = 0; + tb_init = 1'h1; + #(CLK_PERIOD); + tb_init = 1'h0; + wait_ready(); - $display("TEST AUTO-LOAD END"); + $display("TEST INIT-MEM END"); $display(""); end - endtask // auto_load + endtask // test_init_mem //---------------------------------------------------------------- @@ -234,24 +247,25 @@ module tb_keywrap_mkmif(); begin tc_ctr = tc_ctr + 1; - $display("TEST WRITE STATUS START"); + $display("TEST WRITE-STATUS START"); $display("Check that we can write the key status word."); // Observe SPI for a number of cycles. Reset the DUT during observation. show_spi = 1; #(10 * CLK_PERIOD); + $display("Trying to write 0xdeadbeef to status address."); + tb_wr_status = 32'hdeadbeef; tb_key_status = 1'h0; tb_write = 1'h1; - tb_wr_status = 32'hdeadbeef; #(CLK_PERIOD); tb_write = 1'h0; - #(100 * CLK_PERIOD); + wait_ready(); show_spi = 0; - $display("TEST WRITE STATUS END"); + $display("TEST WRITE-STATUS END"); $display(""); end endtask // test_write_status @@ -267,7 +281,7 @@ module tb_keywrap_mkmif(); $display(""); init_sim(); - test_auto_load(); + test_init_mem(); test_write_status(); $display(""); |