From 2d7d143f6d0088722345e8347c425bda88e56715 Mon Sep 17 00:00:00 2001 From: Kevin Kim Date: Thu, 2 Mar 2023 13:45:15 -0800 Subject: [PATCH] formatted bmu decoder --- src/ieu/bmu/bmuctrl.sv | 108 ++++++++++++++++++++--------------------- 1 file changed, 54 insertions(+), 54 deletions(-) diff --git a/src/ieu/bmu/bmuctrl.sv b/src/ieu/bmu/bmuctrl.sv index b9df2154..e838c6ea 100644 --- a/src/ieu/bmu/bmuctrl.sv +++ b/src/ieu/bmu/bmuctrl.sv @@ -70,85 +70,85 @@ module bmuctrl( casez({OpD, Funct7D, Funct3D}) // ALUSelect_BSelect_ZBBSelect_BRegWrite_BW64_BALUOp // ZBS - 17'b0010011_0100100_001: BMUControlsD = `BMUCTRLW'b111_0001_000_101; // bclri + 17'b0010011_0100100_001: BMUControlsD = `BMUCTRLW'b111_0001_000_1_0_1; // bclri 17'b0010011_0100101_001: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b111_0001_000_101; // bclri (rv64) + BMUControlsD = `BMUCTRLW'b111_0001_000_1_0_1; // bclri (rv64) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction - 17'b0010011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_101; // bexti + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction + 17'b0010011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_1_0_1; // bexti 17'b0010011_0100101_101: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b101_0001_000_101; // bexti (rv64) + BMUControlsD = `BMUCTRLW'b101_0001_000_1_0_1; // bexti (rv64) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction - 17'b0010011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_101; // binvi + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction + 17'b0010011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_1_0_1; // binvi 17'b0010011_0110101_001: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b100_0001_000_101; // binvi (rv64) + BMUControlsD = `BMUCTRLW'b100_0001_000_1_0_1; // binvi (rv64) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction - 17'b0010011_0010100_001: BMUControlsD = `BMUCTRLW'b110_0001_000_101; // bseti + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction + 17'b0010011_0010100_001: BMUControlsD = `BMUCTRLW'b110_0001_000_1_0_1; // bseti 17'b0010011_0010101_001: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b110_0001_000_101; // bseti (rv64) + BMUControlsD = `BMUCTRLW'b110_0001_000_1_0_1; // bseti (rv64) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction - 17'b0110011_0100100_001: BMUControlsD = `BMUCTRLW'b111_0001_000_101; // bclr - 17'b0110011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_101; // bext - 17'b0110011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_101; // binv - 17'b0110011_0010100_001: BMUControlsD = `BMUCTRLW'b110_0001_000_101; // bset - 17'b0?1?011_0?0000?_?01: BMUControlsD = `BMUCTRLW'b001_0000_000_101; // sra, srai, srl, srli, sll, slli + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction + 17'b0110011_0100100_001: BMUControlsD = `BMUCTRLW'b111_0001_000_1_0_1; // bclr + 17'b0110011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_1_0_1; // bext + 17'b0110011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_1_0_1; // binv + 17'b0110011_0010100_001: BMUControlsD = `BMUCTRLW'b110_0001_000_1_0_1; // bset + 17'b0?1?011_0?0000?_?01: BMUControlsD = `BMUCTRLW'b001_0000_000_1_0_1; // sra, srai, srl, srli, sll, slli // ZBC - 17'b0110011_0000101_0??: BMUControlsD = `BMUCTRLW'b000_0010_000_101; // ZBC instruction + 17'b0110011_0000101_0??: BMUControlsD = `BMUCTRLW'b000_0010_000_1_0_1; // ZBC instruction // ZBA - 17'b0110011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_101; // sh1add - 17'b0110011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_101; // sh2add - 17'b0110011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_101; // sh3add - 17'b0111011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // sh1add.uw - 17'b0111011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // sh2add.uw - 17'b0111011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // sh3add.uw - 17'b0111011_0000100_000: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // add.uw - 17'b0011011_000010?_001: BMUControlsD = `BMUCTRLW'b001_1000_000_111; // slli.uw + 17'b0110011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_1_0_1; // sh1add + 17'b0110011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_1_0_1; // sh2add + 17'b0110011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_1_0_1; // sh3add + 17'b0111011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // sh1add.uw + 17'b0111011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // sh2add.uw + 17'b0111011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // sh3add.uw + 17'b0111011_0000100_000: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // add.uw + 17'b0011011_000010?_001: BMUControlsD = `BMUCTRLW'b001_1000_000_1_1_1; // slli.uw // ZBB - 17'b0110011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_101; // rol - 17'b0111011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_111; // rolw - 17'b0110011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_101; // ror - 17'b0111011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_111; // rorw - 17'b0010011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_101; // rori (rv32) + 17'b0110011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_1_0_1; // rol + 17'b0111011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_1_1_1; // rolw + 17'b0110011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_1_0_1; // ror + 17'b0111011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_1_1_1; // rorw + 17'b0010011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_1_0_1; // rori (rv32) 17'b0010011_0110001_101: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b001_0100_111_101; // rori (rv64) + BMUControlsD = `BMUCTRLW'b001_0100_111_1_0_1; // rori (rv64) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction 17'b0011011_0110000_101: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b001_0100_111_111; // roriw + BMUControlsD = `BMUCTRLW'b001_0100_111_1_1_1; // roriw else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction 17'b0010011_0110000_001: if (Rs2D[2]) - BMUControlsD = `BMUCTRLW'b000_0100_100_101; // sign extend instruction + BMUControlsD = `BMUCTRLW'b000_0100_100_1_0_1; // sign extend instruction else - BMUControlsD = `BMUCTRLW'b000_0100_000_101; // count instruction - 17'b0011011_0110000_001: BMUControlsD = `BMUCTRLW'b000_0100_000_111; // count word instruction + BMUControlsD = `BMUCTRLW'b000_0100_000_1_0_1; // count instruction + 17'b0011011_0110000_001: BMUControlsD = `BMUCTRLW'b000_0100_000_1_1_1; // count word instruction 17'b0111011_0000100_100: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b000_0100_100_101; // zexth (rv64) + BMUControlsD = `BMUCTRLW'b000_0100_100_1_0_1; // zexth (rv64) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction 17'b0110011_0000100_100: if (`XLEN == 32) - BMUControlsD = `BMUCTRLW'b000_0100_100_101; // zexth (rv32) + BMUControlsD = `BMUCTRLW'b000_0100_100_1_0_1; // zexth (rv32) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction - 17'b0110011_0100000_111: BMUControlsD = `BMUCTRLW'b111_0100_111_101; // andn - 17'b0110011_0100000_110: BMUControlsD = `BMUCTRLW'b110_0100_111_101; // orn - 17'b0110011_0100000_100: BMUControlsD = `BMUCTRLW'b100_0100_111_101; // xnor + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction + 17'b0110011_0100000_111: BMUControlsD = `BMUCTRLW'b111_0100_111_1_0_1; // andn + 17'b0110011_0100000_110: BMUControlsD = `BMUCTRLW'b110_0100_111_1_0_1; // orn + 17'b0110011_0100000_100: BMUControlsD = `BMUCTRLW'b100_0100_111_1_0_1; // xnor 17'b0010011_0110101_101: if (`XLEN == 64) - BMUControlsD = `BMUCTRLW'b000_0100_011_101; // rev8 (rv64) + BMUControlsD = `BMUCTRLW'b000_0100_011_1_0_1; // rev8 (rv64) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction 17'b0010011_0110100_101: if (`XLEN == 32) - BMUControlsD = `BMUCTRLW'b000_0100_011_101; // rev8 (rv32) + BMUControlsD = `BMUCTRLW'b000_0100_011_1_0_1; // rev8 (rv32) else - BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction - 17'b0010011_0010100_101: BMUControlsD = `BMUCTRLW'b000_0100_011_101; // orc.b - 17'b0110011_0000101_110: BMUControlsD = `BMUCTRLW'b000_0100_101_101; // max - 17'b0110011_0000101_111: BMUControlsD = `BMUCTRLW'b000_0100_101_101; // maxu - 17'b0110011_0000101_100: BMUControlsD = `BMUCTRLW'b000_0100_110_101; // min - 17'b0110011_0000101_101: BMUControlsD = `BMUCTRLW'b000_0100_110_101; // minu + BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction + 17'b0010011_0010100_101: BMUControlsD = `BMUCTRLW'b000_0100_011_1_0_1; // orc.b + 17'b0110011_0000101_110: BMUControlsD = `BMUCTRLW'b000_0100_101_1_0_1; // max + 17'b0110011_0000101_111: BMUControlsD = `BMUCTRLW'b000_0100_101_1_0_1; // maxu + 17'b0110011_0000101_100: BMUControlsD = `BMUCTRLW'b000_0100_110_1_0_1; // min + 17'b0110011_0000101_101: BMUControlsD = `BMUCTRLW'b000_0100_110_1_0_1; // minu default: BMUControlsD = {Funct3D, {10'b0}}; // not B instruction or shift endcase