在UVM中,reg_access参数提供了这种访问能力。 reg_access参数可以分为两种类型:读取(read)和写入(write)。读取参数用于从寄存器中读取数据,而写入参数用于向寄存器中写入数据。这两种参数可以在UVM验证环境中灵活地使用,以实现对寄存器的访问和验证。 对于读取参数,我们可以使用reg_access.read()方法来读取寄存器中的...
Automated Access Backdoor for UVM_REG LayerSeep SethiNeeraj Kr. Shukla
classcov_modelextendsuvm_component;uvm_event bd_access_e;uvm_reg_field r;uvm_object tmp;taskrun_phase();foreverbeginbd_access_e=uvm_event_pool::get_global("backdoor_access_event");bd_access_e.wait_trigger(tmp);void'($cast(r,tmp));...endendtaskendclass...
I defined my own “Quirky” register class by extending from uvm_reg and I overrode the needs_update function so that it always returns 1. In the reg_assist xls/csv I added a ‘register parameter’ at the register instance that forces the use of my register class for that register. The...