refactor: reorganize RTL directory structure

1 files changed, 0 insertions, 52 deletions

diff --git a/rv64cpu/rtl/core/branch_unit.sv b/rv64cpu/rtl/core/branch_unit.sv
deleted file mode 100644
index c9662ce..0000000
--- a/rv64cpu/rtl/core/branch_unit.sv
+++ /dev/null
@@ -1,52 +0,0 @@
-//     Richard CPU
-//     Copyright (C) 2026  Richard Qin
-
-//     This program is free software: you can redistribute it and/or modify
-//     it under the terms of the GNU General Public License as published by
-//     the Free Software Foundation, either version 3 of the License, or
-//     (at your option) any later version.
-
-//     This program is distributed in the hope that it will be useful,
-//     but WITHOUT ANY WARRANTY; without even the implied warranty of
-//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//     GNU General Public License for more details.
-
-//     You should have received a copy of the GNU General Public License
-//     along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-// File path: rtl/core/branch_unit.sv
-// Description: Branch Unit, responsible for determining whether conditional jump instructions are effective
-
-module branch_unit 
-    import rv64_pkg::*;
-(
-    input   logic              is_branch,      // Indicates whether the current instruction is a branch instruction
-    input   logic [2:0]        branch_op,      // Specific branch types func3
-    input   logic [XLEN-1:0]   operand_a,      // operand 1
-    input   logic [XLEN-1:0]   operand_b,      // operand 2
-    output  logic              branch_taken    // Branch taken signal
-);
-
-    always_comb begin
-        branch_taken = 1'b0;
-        
-        if (is_branch) begin
-            case (branch_op)
-                // 3'b000: BEQ (Branch if Equal)
-                BRANCH_EQ: branch_taken = (operand_a == operand_b);
-                // 3'b001: BNE (Branch if Not Equal)
-                BRANCH_NE: branch_taken = (operand_a != operand_b);
-                // 3'b100: BLT (Branch if Less Than, Signed)
-                BRANCH_LT: branch_taken = ($signed(operand_a) < $signed(operand_b));
-                // 3'b101: BGE (Branch if Greater Than or Equal, Signed)
-                BRANCH_GE: branch_taken = ($signed(operand_a) >= $signed(operand_b));
-                // 3'b110: BLTU (Branch if Less Than, Unsigned)
-                BRANCH_LTU: branch_taken = (operand_a < operand_b);
-                // 3'b111: BGEU (Branch if Greater Than or Equal, Unsigned)
-                BRANCH_GEU: branch_taken = (operand_a >= operand_b);
-                default: branch_taken = 1'b0;
-            endcase
-        end
-    end
-
-endmodule