Update lowrisc_ip to lowRISC/opentitan@be1359d27

Update code from upstream repository
https://github.com/lowRISC/opentitan to revision
be1359d27d0e826e28e6611f318c286253cd05f1

* [secded_gen] Enhance inverted ECC code (Michael Schaffner)
* [rtl] Add CRC32 primitive (Greg Chadwick)
* [syn/cdc] Minor flow fixes in CDC and syn scripts (Michael
  Schaffner)
* [dv] Minor update on mem_model (Weicai Yang)
* [dv/prim_alert] Clean up alert test (Cindy Chen)
* [bazel] Build verilator with bazel (Chris Frantz)
* [cdc] Add support for initial CDC flow with open-source views
  (Michael Schaffner)
* [lc_ctrl/dv,dv_lib,dv_utils,csr_utils] Added JTAG CSR Infrastructure
  (Nigel Scales)
* [prim] Add a lint waiver for dv-only code / ifdefs (Timothy Chen)

Signed-off-by: Michael Schaffner <msf@google.com>

vendor/lowrisc_ip/dv/sv/csr_utils/csr_utils_pkg.sv

@@ -714,6 +714,58 @@ package csr_utils_pkg;
     return null;
   endfunction
 
+  // Clone a UVM address map
+  function automatic uvm_reg_map clone_reg_map(
+      string name, uvm_reg_map map, uvm_reg_addr_t base_addr = 0, int n_bytes = 4,
+      uvm_endianness_e endian = UVM_LITTLE_ENDIAN, bit byte_addressing = 1);
+    uvm_reg_map clone;
+    uvm_reg_map submaps[$];
+    uvm_reg regs[$];
+    uvm_reg_block blk;
+    uvm_mem mems[$];
+
+    // Clone the map
+    blk = map.get_parent();
+    clone = blk.create_map(
+        .name(name),
+        .base_addr(base_addr),
+        .n_bytes(n_bytes),
+        .endian(endian),
+        .byte_addressing(byte_addressing)
+    );
+
+    // Clone the submaps by calling this function recursively
+    map.get_submaps(submaps);
+    if (submaps.size()) `dv_warning("clone_reg_map: submaps are not yet tested", "DV_UTILS_PKG")
+    while (submaps.size()) begin
+      uvm_reg_map submap, submap_clone;
+      submap = submaps.pop_front();
+      submap_clone = clone_reg_map(.name(name), .map(submap), .base_addr(submap.get_base_addr()),
+        .n_bytes(submap.get_n_bytes()), .endian(endian));
+      clone.add_submap(.child_map(submap_clone), .offset(clone.get_submap_offset(submap)));
+    end
+
+    // Clone the registers
+    map.get_registers(regs, UVM_NO_HIER);
+    while (regs.size()) begin
+      uvm_reg rg;
+      rg = regs.pop_front();
+      clone.add_reg(.rg(rg), .offset(rg.get_offset(map)), .rights(rg.get_rights(map)), .unmapped(0),
+                    .frontdoor(null));
+    end
+
+    // Clone the memories
+    map.get_memories(mems, UVM_NO_HIER);
+    while (mems.size()) begin
+      uvm_mem mem;
+      mem = mems.pop_front();
+      clone.add_mem(.mem(mem), .offset(mem.get_offset(0, map)), .rights(mem.get_rights(map)),
+                    .unmapped(0), .frontdoor(null));
+    end
+    return clone;
+
+  endfunction
+
   // sources
   `include "csr_seq_lib.sv"
 

vendor/lowrisc_ip/dv/sv/dv_lib/dv_base_test.sv

@@ -16,13 +16,22 @@ class dv_base_test #(type CFG_T = dv_base_env_cfg,
   uint   drain_time_ns   = 2_000;  // 2us
   bit    poll_for_stop   = 1'b0;
   uint   poll_for_stop_interval_ns = 1000;
+  bit    print_topology  = 1'b0;
 
   `uvm_component_new
 
   virtual function void build_phase(uvm_phase phase);
-    dv_report_server m_dv_report_server = new();
+    dv_report_server  m_dv_report_server = new();
+    dv_report_catcher m_report_catcher;
     uvm_report_server::set_server(m_dv_report_server);
 
+    // Message catcher/demoter
+    `uvm_create_obj(dv_report_catcher, m_report_catcher)
+    // Add demoted messages - we need to do this here to catch build warnings
+    add_message_demotes(m_report_catcher);
+    // Register catcher
+    uvm_report_cb::add(null, m_report_catcher);
+
     super.build_phase(phase);
 
     env = ENV_T::type_id::create("env", this);
@@ -44,6 +53,10 @@ class dv_base_test #(type CFG_T = dv_base_env_cfg,
 
     // Enable reduced runtime test.
     void'($value$plusargs("smoke_test=%0b", cfg.smoke_test));
+
+    // Enable print_topology
+    void'($value$plusargs("print_topology=%0b", print_topology));
+    uvm_top.enable_print_topology = print_topology;
   endfunction : build_phase
 
   virtual function void end_of_elaboration_phase(uvm_phase phase);
@@ -67,6 +80,10 @@ class dv_base_test #(type CFG_T = dv_base_env_cfg,
     // TODO: add hook for end of test checking.
   endtask : run_phase
 
+  // Add message demotes here - hook to use by extended tests
+  virtual function void add_message_demotes(dv_report_catcher catcher);
+  endfunction
+
   virtual task run_seq(string test_seq_s, uvm_phase phase);
     uvm_sequence test_seq = create_seq_by_name(test_seq_s);
 

vendor/lowrisc_ip/dv/sv/dv_utils/dv_report_catcher.sv

@@ -0,0 +1,46 @@
+// Copyright lowRISC contributors.
+// Licensed under the Apache License, Version 2.0, see LICENSE for details.
+// SPDX-License-Identifier: Apache-2.0
+// Report catcher/demoter
+class dv_report_catcher extends uvm_report_catcher;
+
+  // Stores a new severity indexed by the ID and
+  // the regular expression to match the message
+  protected uvm_severity m_changed_sev[string][string];
+
+  `uvm_object_utils(dv_report_catcher)
+  `uvm_object_new
+
+  // Called for all report messages - defined in uvm_report_catcher
+  virtual function action_e catch();
+    string id = get_id();
+    if (m_changed_sev.exists(id)) begin
+      string report_msg = get_message();
+      foreach (m_changed_sev[id][msg]) begin
+        if (uvm_re_match(msg, report_msg)) begin
+          set_severity(m_changed_sev[id][msg]);
+        end
+      end
+    end
+    return THROW;
+  endfunction
+
+  // Change severity of a message with ID == id and message text
+  // matching msg which is treated as a regular expression
+  virtual function void add_change_sev(string id, string msg, uvm_severity sev);
+    m_changed_sev[id][msg] = sev;
+  endfunction
+
+  // Remove a change entry
+  // If msg == "" then remove all changes for a given id
+  virtual function void remove_change_sev(string id, string msg = "");
+    if (m_changed_sev.exists(id))
+      if (msg == "") begin
+        // Delete all with id if message is blank
+        m_changed_sev.delete(id);
+      end else if (m_changed_sev[id].exists(msg)) begin
+        m_changed_sev[id].delete(msg);
+      end
+  endfunction
+
+endclass

vendor/lowrisc_ip/dv/sv/dv_utils/dv_utils.core

@@ -17,6 +17,7 @@ filesets:
       - lowrisc:dv:dv_test_status
     files:
       - dv_utils_pkg.sv
+      - dv_report_catcher.sv: {is_include_file: true}
       - dv_report_server.sv: {is_include_file: true}
       - dv_vif_wrap.sv: {is_include_file: true}
     file_type: systemVerilogSource

vendor/lowrisc_ip/dv/sv/dv_utils/dv_utils_pkg.sv

@@ -215,6 +215,7 @@ package dv_utils_pkg;
 
   // sources
 `ifdef UVM
+  `include "dv_report_catcher.sv"
   `include "dv_report_server.sv"
   `include "dv_vif_wrap.sv"
 `endif

vendor/lowrisc_ip/dv/sv/mem_model/mem_model.core

@@ -9,6 +9,7 @@ filesets:
   files_dv:
     depend:
       - lowrisc:opentitan:bus_params_pkg
+      - lowrisc:dv:dv_macros
     files:
       - mem_model_pkg.sv
       - mem_model.sv: {is_include_file: true}

vendor/lowrisc_ip/dv/sv/mem_model/mem_model.sv

@@ -3,8 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 
 class mem_model #(int AddrWidth = bus_params_pkg::BUS_AW,
-                  int DataWidth = bus_params_pkg::BUS_DW,
-                  int MaskWidth = bus_params_pkg::BUS_DBW) extends uvm_object;
+                  int DataWidth = bus_params_pkg::BUS_DW) extends uvm_object;
+
+  localparam int MaskWidth  = DataWidth / 8;
 
   typedef bit [AddrWidth-1:0] mem_addr_t;
   typedef bit [DataWidth-1:0] mem_data_t;

vendor/lowrisc_ip/dv/sv/mem_model/mem_model_pkg.sv

@@ -7,6 +7,7 @@ package mem_model_pkg;
   import uvm_pkg::*;
 
   `include "uvm_macros.svh"
+  `include "dv_macros.svh"
   `include "mem_model.sv"
 
 endpackage