/* * Module: PEAL_V4_Entropy_Gate
 * Designer: Dr. Luís Henrique Leonardo Pereira
 * Target: FPGA / Google TPU Custom Core
 * Description: Physical logic gate to block hallucination signals.
 */

module entropy_gate (
    input wire clk,
    input wire reset,
    input wire [31:0] vector_input,
    input wire l0_authority_signal, // Sinal do Dr. Luís
    output reg [31:0] clean_output,
    output reg alarm_trigger
);

    // Parâmetro de tolerância zero (Hard-coded)
    parameter MAX_ENTROPY = 32'h00000000; 

    always @(posedge clk or posedge reset) begin
        if (reset) begin
            clean_output <= 32'b0;
            alarm_trigger <= 1'b0;
        end else begin
            // Lógica de Bloqueio Físico
            if (vector_input > MAX_ENTROPY && l0_authority_signal == 1'b1) begin
                clean_output <= vector_input; // Passa se validado
                alarm_trigger <= 1'b0;
            end else begin
                clean_output <= 32'b0; // BLOQUEIO TOTAL (Silence)
                alarm_trigger <= 1'b1; // Dispara Auditoria
            end
        end
    end

endmodule