module test; typedef struct packed { logic [9:-1][2:0] a; //REQ-EXT-10001, REQ-EXT-10004 }ST1; typedef struct { ST1 st1; ST2 st2[2:0]; }ST2; initial begin ST2 st2; st2='{2'b01, '{3'b1, 3'b0, 12'b1}}; //REQ-EXT-10101 &display("%p", st2); //CHECK-001: '{st1:'{a:'h1}, st2:"{'{a:'h1},'{a:'h0},'{a:'h1}}} end endmodule REQ-EXT-10101处可以如何修改，使得代码仍然可以跑通呢？

在 REQ-EXT-10101 处，可以将赋值语句修改为以下两种方式之一：

1. 使用大括号初始化整个结构体：

st2 = '{ {10'h1}, '{3'b1, 3'b0, 12'h1} };

2. 逐个初始化结构体成员：

st2.st1.a = '{10'h1};
st2.st2[0].a = '{3'b1, 3'b0, 12'h1};
st2.st2[1].a = '{3'b1, 3'b0, 12'h1};
st2.st2[2].a = '{3'b1, 3'b0, 12'h1};

修改后的完整代码如下：

module test;
  typedef struct packed {
    logic [9:-1][2:0] a; //REQ-EXT-10001, REQ-EXT-10004
  } ST1;

  typedef struct {
    ST1 st1;
    ST2 st2[2:0];
  } ST2;

  initial begin
    ST2 st2;
    // 使用大括号初始化整个结构体
    st2 = '{ {10'h1}, '{3'b1, 3'b0, 12'h1} };
    $display("%p", st2); //CHECK-001: '{st1:'{a:'h1}, st2:"{'{a:'h1},'{a:'h0},'{a:'h1}}}
  end
endmodule

相关问题

module test; typedef struct packed { logic [9:-1][2:0] a; ///REQ-EXT-10001, REQ-EXT-10004 } ST1; typedef struct { ST1 st1; ST1 st2[2:0]; }ST2; initial begin ST2 st2; st2 = '{2'b01, '{3'b1, 3'b0, 12'b1}}; $display("%", st2); //CHECK-001:'{a:'h1}, st2:'{'a:'h1}, '{a:'h0},'{a:h1}}} end endmodule 我想根据拓展点对这段sverilog代码进行拓展，无论怎么变化都可以，你能帮我变换几种吗？越多越好，谢谢你啦

好的，我可以为您提供几种不同的拓展点，以帮助您更好地理解和使用sverilog代码。以下是一些可能的拓展点：

1. 在ST1结构中添加一个新的字段，名为b：

typedef struct packed {
    logic [9:-1][2:0] a; ///REQ-EXT-10001, REQ-EXT-10004
    logic [7:0] b;      ///REQ-EXT-10005
} ST1;

2. 在ST2结构中添加一个新的字段，名为c，它是一个逻辑向量：

typedef struct {
    ST1 st1;
    ST1 st2[2:0];
    logic [3:0] c;      ///REQ-EXT-10006
} ST2;

3. 在ST2结构中添加一个新的字段，名为d，它是一个逻辑向量数组：

typedef struct {
    ST1 st1;
    ST1 st2[2:0];
    logic [3:0][7:0] d; ///REQ-EXT-10007
} ST2;

4. 在ST1结构中添加一个新的字段，名为e，它是一个逻辑二维数组：

typedef struct packed {
    logic [9:-1][2:0] a; ///REQ-EXT-10001, REQ-EXT-10004
    logic [3:0][7:0] e; ///REQ-EXT-10008
} ST1;

5. 在ST2结构中添加一个新的字段，名为f，它是一个ST1类型的结构：

typedef struct {
    ST1 st1;
    ST1 st2[2:0];
    ST1 f;              ///REQ-EXT-10009
} ST2;

这些只是一些可能的拓展点，您可以根据您的具体需求添加任何类型的拓展点。

module test; typedef struct packed { logic [2:0] b; ///REQ-EXT-10001, REQ-EXT-10004 } ST4; typedef struct packed { logic [9:-1][2:0] a; ST4 st4[1:0]; } ST3; typedef struct { ST3 st3; ST4 st4; }ST5; typedef struct { ST5 st5; ST2 st2[2:0]; }ST2; initial begin ST2 st2[2:0] = '{'{b:'h2}, '{b:'h1}, '{b:'h0}}; ST3 st3 ='{'{st1:'{'{a:'h1}}, st2}; $display("%p", st3); end endmodule there are several errors in this piece of code, how should I modify it so it can be compiled successfully by vcs?

There are a few errors in this code that need to be corrected:

1. The definition of ST2 is incomplete, so the compiler will not recognize it. You need to define ST2 before using it in the definition of ST5.

2. The initialization of ST2 is incorrect. You need to use curly braces to initialize the ST4 struct, and you need to use a colon to separate the field name from the value.

3. The initialization of ST3 is incorrect. You need to use curly braces to initialize the ST1 struct, and you need to use a colon to separate the field name from the value.

Here is the corrected code:

module test;
    typedef struct packed {
        logic [2:0] b; ///REQ-EXT-10001, REQ-EXT-10004
    } ST4;

    typedef struct packed {
        logic [9:-1][2:0] a;
        ST4 st4[1:0];
    } ST3;

    typedef struct {
        ST3 st3;
        ST4 st4;
    } ST5;

    typedef struct {
        ST5 st5;
        ST4 st2[2:0];
    } ST2;

    initial begin
        ST4 st4_arr[2:0] = '{'{b:'h2}, '{b:'h1}, '{b:'h0}};
        ST2 st2_arr[2:0] = '{'{st4: st4_arr[2]}, '{st4: st4_arr[1]}, '{st4: st4_arr[0]}};
        ST3 st3 ='{st1:{a:'h1}}, st2_arr};
        $display("%p", st3);
    end
endmodule