B extension decoder created with zba and preliminary zbb support#190
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Parzival129 wants to merge 4 commits intomainfrom
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B extension decoder created with zba and preliminary zbb support#190Parzival129 wants to merge 4 commits intomainfrom
Parzival129 wants to merge 4 commits intomainfrom
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🔧 DE1-SoC Synthesis Report Summary Diff📊 Fitter Summary (.fit.summary)@@ -1,4 +1,4 @@
-Fitter Status : Successful - Sun Feb 22 04:04:10 2026
+Fitter Status : Successful - Fri Feb 27 20:51:05 2026
Quartus Prime Version : 25.1std.0 Build 1129 10/21/2025 SC Lite Edition
Revision Name : utoss-risc-v
Top-level Entity Name : top⏱️ Timing Analysis Summary (.sta.summary)No changes detected Comparing synthesis results from main branch vs. this PR |
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| typedef enum logic [3:0] | ||
| { B_ALU_CTRL__NONE = 4'b0000 | ||
| , B_ALU_CTRL__SH1ADD = 4'b0001 | ||
| , B_ALU_CTRL__SH2ADD = 4'b0010 | ||
| , B_ALU_CTRL__SH3ADD = 4'b0011 | ||
| , B_ALU_CTRL__ANDN = 4'b0100 | ||
| , B_ALU_CTRL__ORN = 4'b0101 | ||
| , B_ALU_CTRL__XNOR = 4'b0110 | ||
| } b_alu_control_t; |
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| , .funct7(funct7) | ||
| , .opcode(opcode) | ||
| , .rd(rd) | ||
| , .b_alu_control(state) // this should be updated accordingly in the future |
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can add a dummy b_alu_control variable for now
| , input [6:0] funct7 | ||
| , input [6:0] opcode | ||
| , input [4:0] rd | ||
| , output reg [3:0] b_alu_control |
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use the enum you created in types here
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Created initial version of b alu decoder that uses enum types. Currently supports zba implementation and the planned implementation of zbb, however zbs is still to be implemented.