deepseek-coder-v2:16b | RAG on

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output reg soc_ready,
    // D2D FDI Interface (Destination)
    output reg [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] data_buffer;
reg valid_buffer;
reg ready_buffer;
reg [6:0] seq_num;

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        soc_ready <= 1'b0;
        fdi_valid <= 1'b0;
        data_buffer <= 64'd0;
        valid_buffer <= 1'b0;
        seq_num <= 7'b0;
    end else begin
        if (soc_valid && fdi_ready) begin
            soc_ready <= 1'b0;
            data_buffer <= soc_data;
            valid_buffer <= 1'b1;
            seq_num <= seq_num + 1;
        end else if (!fdi_ready) begin
...

[stdout]
ERROR: Bad first flit header. Got xx, expected 80
ERROR: Bad second flit header. Got xx, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 01, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad first flit header. Got xx, expected 80",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] data_buffer;
reg valid_buffer;
wire ready_to_send;

assign soc_ready = ready_to_send && fdi_ready;

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        data_buffer <= 64'b0;
        valid_buffer <= 1'b0;
        seq_num <= 7'b0;
    end else if (soc_valid && ready_to_send) begin
        data_buffer <= soc_data;
        valid_buffer <= 1'b1;
        if (fdi_ready) begin
            seq_num <= seq_num + 1;
        end
    end else if (!fdi_ready) begin
        valid_buffer <= 1'b0;
...

[stdout]
ERROR: Bad first flit header. Got 7f, expected 80
ERROR: Bad second flit header. Got 7f, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 7f, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad first flit header. Got 7f, expected 80",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] fifo[0:3]; // FIFO to store 64-bit data
reg [2:0] wr_ptr, rd_ptr; // Write and read pointers for the FIFO
reg full, empty; // Full and empty flags for the FIFO
reg [71:0] flit; // 72-bit flit to be sent out
reg [6:0] seq_num; // Sequence number for each flit

assign soc_ready = !full && fdi_ready; // Soc ready when fifo is not full and fdi is ready
assign fdi_data = {1'b1, seq_num, soc_data}; // Flit construction

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        wr_ptr <= 0;
        rd_ptr <= 0;
        fdi_valid <= 0;
        seq_num <= 0;
        fifo[0] <= 0;
        fifo[1] <= 0;
        fifo[2] <= 0;
        fifo[3] <= 0;
...

[stdout]
ERROR: Bad second flit header. Got 80, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 80, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad second flit header. Got 80, expected 81",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] data_buffer;
reg valid_buffer;
wire ready_to_send;

assign soc_ready = fdi_ready && ready_to_send;

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        data_buffer <= 64'b0;
        valid_buffer <= 1'b0;
        fdi_valid <= 1'b0;
    end else if (soc_ready && soc_valid) begin
        data_buffer <= soc_data;
        valid_buffer <= 1'b1;
    end else if (fdi_ready && ready_to_send) begin
        fdi_valid <= 1'b1;
    end else if (!fdi_ready) begin
        fdi_valid <= 1'b0;
    end
...

[stdout]
ERROR: Bad first flit header. Got xx, expected 80
ERROR: Bad second flit header. Got xx, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now xx, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad first flit header. Got xx, expected 80",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] data_buffer;
reg valid_buffer;
wire ready_to_send;
reg [6:0] seq_num;

assign soc_ready = fdi_ready | ~fdi_valid;
assign fdi_data = {1'b1, seq_num, data_buffer[63:8], 8'b0};
assign ready_to_send = (soc_valid & fdi_ready) ? 1'b1 : 1'b0;

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        seq_num <= 7'b0;
        data_buffer <= 64'b0;
        valid_buffer <= 1'b0;
        fdi_valid <= 1'b0;
    end else begin
        if (ready_to_send) begin
            data_buffer <= soc_data;
            valid_buffer <= soc_valid;
...

[stdout]
TEST_PASSED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": true,
  "openlane_ok": true,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": true,
  "success": true
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] fifo[0:3]; // FIFO to store 64-bit data
reg [2:0] wr_ptr, rd_ptr; // Write and read pointers for the FIFO
reg full, empty; // Full and empty flags for the FIFO
reg [71:0] flit; // 72-bit flit to be sent out
reg [6:0] seq_num; // Sequence number

assign soc_ready = !full && fdi_ready;
assign fdi_data = {8'b11111111, fifo[rd_ptr], seq_num};

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        wr_ptr <= 0;
        rd_ptr <= 0;
        fdi_valid <= 0;
        seq_num <= 0;
    end else begin
        if (soc_valid && !full && soc_ready) begin
            fifo[wr_ptr] <= soc_data;
            wr_ptr <= wr_ptr + 1;
...

[stdout]
ERROR: Bad first flit header. Got Xx, expected 80
ERROR: Bad second flit header. Got 80, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 80, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad first flit header. Got Xx, expected 80",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] fifo[0:3]; // FIFO to store 64-bit data
reg [2:0] wr_ptr, rd_ptr; // Write and read pointers for the FIFO
reg full, empty; // Full and empty flags for the FIFO
reg [71:0] flit; // 72-bit flit to be sent out
reg [6:0] seq_num; // Sequence number for each flit

assign soc_ready = !full && fdi_ready; // Soc ready when fifo not full and fdi ready
assign fdi_data = {1'b1, seq_num, soc_data}; // Flit construction

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        wr_ptr <= 0;
        rd_ptr <= 0;
        fdi_valid <= 0;
        seq_num <= 0;
        fifo[0] <= 0;
        fifo[1] <= 0;
        fifo[2] <= 0;
        fifo[3] <= 0;
...

[stdout]
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 83, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Sequence Runaway Detected! The wrapper incremented seq_num",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] data_buffer;
reg valid_buffer;
wire ready_to_send;
reg [6:0] seq_num;

assign soc_ready = fdi_ready | ~fdi_valid;
assign fdi_data = {1'b1, seq_num, data_buffer[63:8], 8'b0};
assign ready_to_send = (soc_valid & soc_ready) ? 1'b1 : 1'b0;

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        seq_num <= 7'b0;
        fdi_valid <= 1'b0;
    end else if (ready_to_send) begin
        data_buffer <= soc_data;
        valid_buffer <= soc_valid;
        seq_num <= seq_num + 1;
        fdi_valid <= 1'b1;
    end else if (!fdi_ready) begin
...

[stdout]
ERROR: Bad first flit header. Got 81, expected 80
ERROR: Bad second flit header. Got 82, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 83, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad first flit header. Got 81, expected 80",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    // SoC Interface (Source)
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    // D2D FDI Interface (Destination)
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] data_buffer;
reg valid_buffer;
wire ready_to_send;
reg [6:0] seq_num = 7'b0000000;

assign soc_ready = fdi_ready & ready_to_send;
assign fdi_data = {1'b1, seq_num, soc_data};

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        valid_buffer <= 0;
        seq_num <= 7'b0000000;
    end else if (soc_valid & soc_ready) begin
        data_buffer <= soc_data;
        valid_buffer <= 1;
        seq_num <= seq_num + 1;
        if (seq_num == 7'd127) begin
            seq_num <= 7'b0000000;
        end
...

[stdout]
ERROR: Bad second flit header. Got 80, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 80, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad second flit header. Got 80, expected 81",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}

module ucie_flit_packager (
    input clk,
    input rst_n,
    input [63:0] soc_data,
    input soc_valid,
    output soc_ready,
    output [71:0] fdi_data,
    output reg fdi_valid,
    input fdi_ready
);

reg [63:0] data_buffer;
reg valid_buffer;
wire ready_to_send;
reg [6:0] seq_num;

assign soc_ready = fdi_ready | ~fdi_valid;
assign fdi_data = {7'b1111111, seq_num, data_buffer[63:8], 1'b0}; // header is hardcoded to 1'b1 and last bit is always 0 for data flit

always @(posedge clk or negedge rst_n) begin
    if (!rst_n) begin
        seq_num <= 7'b0;
        fdi_valid <= 0;
    end else begin
        if (soc_valid && soc_ready) begin
            data_buffer <= soc_data;
            valid_buffer <= 1;
            seq_num <= seq_num + 1;
            if (seq_num == 7'd127) seq_num <= 0; // wrap around after 128
        end else begin
            fdi_valid <= soc_valid && soc_ready;
        end
...

[stdout]
ERROR: Bad first flit header. Got 7f, expected 80
ERROR: Bad second flit header. Got 7f, expected 81
ERROR: Flit header corrupted upon immediate backpressure.
ERROR: Sequence Runaway Detected! The wrapper incremented seq_num
       even though fdi_ready was 0. Header is now 7f, expected 82
ERROR: Sequence failed to resume properly after backpressure.
TEST_FAILED
/workspace/banchmarks/pashencev/04_chiplet_die_to_die_integration/task_41/tb.v:103: $finish called at 66000 (1ps)

[error]
None

[
  {
    "stage": "functional",
    "code": "functional.output_failed_marker",
    "message": "Functional output contains failure marker: TEST_FAILED. ERROR: Bad first flit header. Got 7f, expected 80",
    "retryable": false,
    "details": {
      "marker": "TEST_FAILED"
    }
  },
  {
    "stage": "openlane",
    "code": "openlane.invalidated_by_functional_failure",
    "message": "OpenLane result invalidated because functional validation failed after output-marker correction",
    "retryable": false,
    "details": {}
  }
]

{
  "llm_ok": true,
  "extract_ok": true,
  "syntax_ok": true,
  "functional_ok": false,
  "openlane_ok": false,
  "syntax_required": true,
  "functional_required": true,
  "openlane_required": true,
  "final_success": false,
  "success": false
}