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    默认 Verdi 集成下的 coreservice 初始化

    环境：VCS W-2024.09-SP2-8。1.2 使用 uvm-1.2，2.0 使用 uvm-ieee-2020-2.0。

    实验检查观察值是否符合预期；成功复现问题不代表问题已修复。

    结果对比

    观察内容 UVM 1.2 UVM 2.0
    初始化后工厂创建结果 deferred_factory_create 1 1
    默认打印对象可用（1=是） default_printer_ready 1 1
    自动配置已禁用（1=是） automatic_config_disabled 1 1
    自定义核心服务已安装（1=是） custom_service_installed 未记录 0
    核心服务已初始化（1=是） core_initialized 未记录 1

    运行命令

    目录与环境准备；从解包根目录执行：

    1
    uv run tools/run_uvm_review.py --case initialization_probe --variants 12,20

    最小源码

    initialization_probe.sv

    initialization_probe.sv 
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    `timescale 1ns/1ps
`include "uvm_macros.svh"
import uvm_pkg::*;

class initialization_object extends uvm_object;
  `uvm_object_utils(initialization_object)
  function new(string name="object"); super.new(name); endfunction
endclass

class initialization_component extends uvm_component;
  int value = 7;
  `uvm_component_utils_begin(initialization_component)
    `uvm_field_int(value, UVM_ALL_ON)
  `uvm_component_utils_end
  function new(string name, uvm_component parent); super.new(name, parent); endfunction
`ifdef REVIEW_UVM20
  virtual function bit use_automatic_config(); return 0; endfunction
`endif
endclass

class initialization_service extends uvm_default_coreservice_t;
endclass

module initialization_probe;
  initial begin
    initialization_service service;
    initialization_component component_value;
    uvm_coreservice_t actual;
    uvm_factory factory_value;
    uvm_object created;
    uvm_root root_value;
`ifdef REVIEW_UVM20
    service = new();
    uvm_init(service);
    actual = uvm_coreservice_t::get();
    $display("REVIEW|custom_service_installed|%0d", actual == service);
    $display("REVIEW|core_initialized|%0d", get_core_state() == UVM_CORE_INITIALIZED);
`else
    actual = uvm_coreservice_t::get();
`endif
    factory_value = actual.get_factory();
    created = factory_value.create_object_by_name("initialization_object", "", "created");
    $display("REVIEW|deferred_factory_create|%0d", created != null);
    $display("REVIEW|default_printer_ready|%0d", uvm_default_printer != null);
    component_value = new("component_value", null);
    uvm_config_db#(int)::set(null, "component_value", "value", 42);
`ifndef REVIEW_UVM20
    root_value = uvm_root::get();
    root_value.disable_apply_cfg_settings = 1;
`endif
    component_value.build_phase(null);
    $display("REVIEW|automatic_config_disabled|%0d", component_value.value == 7);
    $display("REVIEW|done|1");
    $finish;
  end
endmodule

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