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Found 1 result

  1. In our DUT, we have two separate independent physical interfaces (APB & I2C) (active 1 at a time) through which all registers can can be accessed, Also in our register model, we created two reg_maps, one for each APB & I2C. Now through testcase, we want only one physical interface at a time, to be subjected to default uvm sequences (i.e. uvm_reg_access_seq, uvm_reg_bit_bash_seq,etc) but it is not possible as uvm_sequence will get all the maps using get_maps(); So without over-riding the default uvm_reg_access_seq, is it possible to achieve such type of configuration in testcase itself via using uvm_reg_map or some other methods. Kindly refer following pseudo code //Pseudo Code for Scenario class dut_reg_test extends base_test; `uvm_component_uti ls(dut_reg_test) //Handle of default uvm register access sequence uvm_reg_access_seq my_reg_seq; // Select Physical Interface rand bit APB_I2C; uvm_reg_map test_map; dut_reg_model regmodel; task buid_phase (uvm_phase phase); super.build_phase(phase); // Select PHY Interface via commandline if ($value$plusargs("APB_I2C=%b", APB_I2C)) else APB_I2C = $random; if (APB_I2C) test_map = regmodel.apb else test_map = regmodel.i2c endtask : build_phase task main_phase (uvm_phase phase); //Create method for sequence my_reg_seq=uvm_single_access_seq::type_id::create("my_reg_seq"); //Randomize with selected map my_reg_seq.randomize with { maps == test_map;}); // Start default sequence my_reg_seq.start(NULL); endtask : main_phase endclass : dut_reg_test The above strategy cannot be implemented because uvm_reg_access sequence doesn't contain uvm_reg_map it's only present in uvm_reg_single_access_seq, Similar kind of limitations persists will all uvm_reg_bit_bash_seq & reset sequences. Can we have some strategy to resolve this issue ? Thanks Nikunj Hinsu
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