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Diffstat (limited to 'rv64cpu/rtl/core/decoder.sv')
| -rw-r--r-- | rv64cpu/rtl/core/decoder.sv | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/rv64cpu/rtl/core/decoder.sv b/rv64cpu/rtl/core/decoder.sv index 585a018..c948646 100644 --- a/rv64cpu/rtl/core/decoder.sv +++ b/rv64cpu/rtl/core/decoder.sv @@ -80,7 +80,7 @@ module decoder assign opcode = instr[6:0]; assign rd_addr = instr[11:7]; assign funct3 = instr[14:12]; - assign rs1_addr = instr[19:15]; + assign rs1_addr = (opcode == OPCODE_LUI) ? 5'b00000 : instr[19:15]; assign rs2_addr = instr[24:20]; assign funct7 = instr[31:25]; |