Performance tb

verif/env/uvme/cov/uvme_interrupt_covg.sv

@@ -105,7 +105,10 @@ function void uvme_interrupt_covg_c::build_phase(uvm_phase phase);
       `uvm_fatal("CFG", "Configuration handle is null")
    end
 
-   interrupt_cg = new("interrupt_cg");
+   if (!cfg.disable_all_csr_checks)
+      interrupt_cg = new("interrupt_cg");
+   else
+      `uvm_warning(get_type_name(), "Interrupt coverage will not be scored since config disable_all_csr_checks is true")
 
    mon_trn_fifo   = new("mon_trn_fifo" , this);
 
@@ -117,10 +120,11 @@ task uvme_interrupt_covg_c::run_phase(uvm_phase phase);
 
    `uvm_info(get_type_name(), "The Interrupt env coverage model is running", UVM_LOW);
 
-  forever begin
-      mon_trn_fifo.get(mon_trn);
-      interrupt_cg.sample(mon_trn.instr);
-    end
+   if (!cfg.disable_all_csr_checks)
+     forever begin
+         mon_trn_fifo.get(mon_trn);
+         interrupt_cg.sample(mon_trn.instr);
+     end
 
 endtask : run_phase
 

verif/env/uvme/uvme_cva6_cfg.sv

@@ -35,8 +35,11 @@ class uvme_cva6_cfg_c extends uvma_core_cntrl_cfg_c;
    rand bit                      tandem_enabled;
    rand bit                      cov_model_enabled;
    rand bit                      trn_log_enabled;
+   rand bit                      force_disable_csr_checks; // force disable all csr checks in RVFI. Note that all csrs info in instruction from RVFI will be removed
    rand int unsigned             sys_clk_period;
 
+   bit                           performance_mode; // Will force disable coverage, csr checks, scoreboard and loggers
+
    // Agent cfg handles
    rand uvma_clknrst_cfg_c    clknrst_cfg;
    rand uvma_axi_cfg_c        axi_cfg;
@@ -66,12 +69,14 @@ class uvme_cva6_cfg_c extends uvma_core_cntrl_cfg_c;
       `uvm_field_int (                         tandem_enabled              , UVM_DEFAULT          )
       `uvm_field_int (                         cov_model_enabled           , UVM_DEFAULT          )
       `uvm_field_int (                         trn_log_enabled             , UVM_DEFAULT          )
+      `uvm_field_int (                         force_disable_csr_checks    , UVM_DEFAULT          )
       `uvm_field_int (                         ext_zicond_supported        , UVM_DEFAULT          )
       `uvm_field_int (                         HPDCache_supported          , UVM_DEFAULT          )
       `uvm_field_int (                         nr_pmp_entries              , UVM_DEFAULT          )
       `uvm_field_int (                         ext_zihpm_supported         , UVM_DEFAULT          )
       `uvm_field_int (                         MmuPresent                  , UVM_DEFAULT          )
       `uvm_field_int (                         sys_clk_period            , UVM_DEFAULT + UVM_DEC)
+      `uvm_field_int (                         performance_mode            , UVM_DEFAULT          )
 
       `uvm_field_object(clknrst_cfg, UVM_DEFAULT)
 
@@ -92,6 +97,7 @@ class uvme_cva6_cfg_c extends uvma_core_cntrl_cfg_c;
       soft scoreboard_enabled      == 1;
       soft cov_model_enabled       == 1;
       soft trn_log_enabled         == 1;
+      soft force_disable_csr_checks == 0;
       soft sys_clk_period          == uvme_cva6_sys_default_clk_period; // see uvme_cva6_constants.sv
    }
 
@@ -183,12 +189,21 @@ class uvme_cva6_cfg_c extends uvma_core_cntrl_cfg_c;
          axi_cfg.trn_log_enabled       == 1;
          rvfi_cfg.trn_log_enabled      == 1;
          isacov_cfg.trn_log_enabled    == 1;
+      } else {
+         clknrst_cfg.trn_log_enabled   == 0;
+         axi_cfg.trn_log_enabled       == 0;
+         rvfi_cfg.trn_log_enabled      == 0;
+         isacov_cfg.trn_log_enabled    == 0;
       }
 
       if (cov_model_enabled) {
          isacov_cfg.cov_model_enabled    == 1;
          axi_cfg.cov_model_enabled       == 1;
          interrupt_cfg.cov_model_enabled == 1;
+      } else {
+         isacov_cfg.cov_model_enabled    == 0;
+         axi_cfg.cov_model_enabled       == 0;
+         interrupt_cfg.cov_model_enabled == 0;
       }
 
    }
@@ -208,6 +223,8 @@ class uvme_cva6_cfg_c extends uvma_core_cntrl_cfg_c;
     */
    extern virtual function void set_unsupported_csr_mask();
 
+   extern virtual function void read_disable_csr_check_plusargs();
+
 endclass : uvme_cva6_cfg_c
 
 
@@ -226,6 +243,11 @@ function uvme_cva6_cfg_c::new(string name="uvme_cva6_cfg");
 
    $value$plusargs("core_name=%s", this.core_name);
 
+   if ($test$plusargs("tb_performance_mode")) begin
+      performance_mode = 1;
+      `uvm_info(get_type_name(), "Testbench set in performance mode, coverage & csr checks & scoreboard & loggers will be deactivated", UVM_NONE);
+   end
+
 endfunction : new
 
 function void uvme_cva6_cfg_c::sample_parameters(uvma_core_cntrl_cntxt_c cntxt);
@@ -322,4 +344,12 @@ function void uvme_cva6_cfg_c::set_unsupported_csr_mask();
 
 endfunction : set_unsupported_csr_mask
 
+function void uvme_cva6_cfg_c::read_disable_csr_check_plusargs();
+
+   super.read_disable_csr_check_plusargs();
+   if (force_disable_csr_checks)
+      disable_all_csr_checks = 1;
+
+endfunction : read_disable_csr_check_plusargs
+
 `endif // __UVME_CVA6_CFG_SV__

verif/env/uvme/uvme_cva6_env.sv

@@ -223,7 +223,8 @@ function void uvme_cva6_env_c::connect_phase(uvm_phase phase);
       csr_reg_predictor.map     = csr_reg_block.default_map;
       csr_reg_predictor.adapter = csr_reg_adapter;
       csr_reg_block.default_map.set_auto_predict(0);
-      isacov_agent.monitor.ap.connect(csr_reg_predictor.bus_in);
+      if (cfg.cov_model_enabled)
+         isacov_agent.monitor.ap.connect(csr_reg_predictor.bus_in);
    end
 
 endfunction: connect_phase
@@ -289,6 +290,9 @@ function void uvme_cva6_env_c::create_env_components();
 
    if (cfg.scoreboard_enabled) begin
       predictor = uvme_cva6_prd_c::type_id::create("predictor", this);
+   end
+
+   if (cfg.scoreboard_enabled || cfg.tandem_enabled) begin
       sb        = uvme_cva6_sb_c ::type_id::create("sb"       , this);
    end
 

verif/env/uvme/uvme_cva6_sb.sv

@@ -457,6 +457,10 @@ task uvme_cva6_sb_c::run_phase(uvm_phase phase);
 
   super.run_phase(phase);
 
+  if (cfg.scoreboard_enabled && cfg.disable_all_csr_checks)
+      `uvm_warning(get_type_name(),"Scoreboard enabled while config disable_all_csr_checks is true. Cycle and Trap will not be scoreboarded nor checked");
+
+  if (cfg.scoreboard_enabled && !cfg.disable_all_csr_checks)
   fork
       begin
           forever begin

verif/regress/coremark.sh

@@ -92,4 +92,5 @@ python3 cva6.py \
         --c_tests "$src0" \
         --gcc_opts "${srcA[*]} ${cflags[*]}" \
         --iss_timeout=2000 \
+        --issrun_opts="+tb_performance_mode" \
         $DV_OPTS

verif/regress/dhrystone.sh

@@ -63,4 +63,5 @@ python3 cva6.py \
         --iss="$DV_SIMULATORS" \
         --iss_yaml=cva6.yaml \
         --c_tests "$src0" \
+        --issrun_opts="+tb_performance_mode" \
         --gcc_opts "${srcA[*]} ${cflags[*]}"

verif/regress/dv-riscv-arch-test.sh

@@ -36,4 +36,4 @@ else
 fi
 
 cd verif/sim
-python3 cva6.py --testlist=$TESTLIST --target $DV_TARGET --iss_yaml=cva6.yaml --iss=$DV_SIMULATORS $DV_OPTS --linker=../tests/riscv-arch-test/riscv-target/spike/link.ld
+python3 cva6.py --testlist=$TESTLIST --target $DV_TARGET --iss_yaml=cva6.yaml --iss=$DV_SIMULATORS --issrun_opts="+tb_performance_mode" $DV_OPTS --linker=../tests/riscv-arch-test/riscv-target/spike/link.ld

verif/regress/dv-riscv-compliance.sh

@@ -29,5 +29,5 @@ if ! [ -n "$DV_SIMULATORS" ]; then
 fi
 
 cd verif/sim
-python3 cva6.py --testlist=../tests/testlist_riscv-compliance-$DV_TARGET.yaml --target $DV_TARGET --iss_yaml=cva6.yaml --iss=$DV_SIMULATORS $DV_OPTS
+python3 cva6.py --testlist=../tests/testlist_riscv-compliance-$DV_TARGET.yaml --target $DV_TARGET --iss_yaml=cva6.yaml --iss=$DV_SIMULATORS --issrun_opts="+tb_performance_mode" $DV_OPTS
 cd -

verif/regress/dv-riscv-tests.sh

@@ -36,6 +36,6 @@ fi
 cd verif/sim
 for TESTLIST in $DV_TESTLISTS
 do
-  python3 cva6.py --testlist=$TESTLIST --target $DV_TARGET --iss=$DV_SIMULATORS --iss_yaml=cva6.yaml $DV_OPTS
+  python3 cva6.py --testlist=$TESTLIST --target $DV_TARGET --iss=$DV_SIMULATORS --iss_yaml=cva6.yaml --issrun_opts="+tb_performance_mode" $DV_OPTS
 done
 cd -

verif/tests/uvmt/base-tests/uvmt_cva6_base_test.sv

@@ -70,7 +70,14 @@ class uvmt_cva6_base_test_c extends uvm_test;
    constraint env_cfg_cons {
       env_cfg.enabled         == 1;
       env_cfg.is_active       == UVM_ACTIVE;
-      env_cfg.trn_log_enabled == 1;
+      if (!env_cfg.performance_mode) {
+         env_cfg.trn_log_enabled == 1;
+      } else {
+         env_cfg.trn_log_enabled           == 0;
+         env_cfg.cov_model_enabled         == 0;
+         env_cfg.force_disable_csr_checks  == 1;
+         env_cfg.scoreboard_enabled        == 0;
+      }
    }
 
    constraint axi_agent_cfg_cons {