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formatted bmu decoder

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This commit is contained in:
Kevin Kim 2023-03-02 13:45:15 -08:00
parent 1b222f91be
commit 2d7d143f6d
1 changed files with 54 additions and 54 deletions
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108
src/ieu/bmu/bmuctrl.sv
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@ -70,85 +70,85 @@ module bmuctrl(
casez({OpD, Funct7D, Funct3D}) casez({OpD, Funct7D, Funct3D})
// ALUSelect_BSelect_ZBBSelect_BRegWrite_BW64_BALUOp // ALUSelect_BSelect_ZBBSelect_BRegWrite_BW64_BALUOp
// ZBS // 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) 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 else
BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction
17'b0010011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_101; // bexti 17'b0010011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_1_0_1; // bexti
17'b0010011_0100101_101: if (`XLEN == 64) 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 else
BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction
17'b0010011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_101; // binvi 17'b0010011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_1_0_1; // binvi
17'b0010011_0110101_001: if (`XLEN == 64) 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 else
BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction
17'b0010011_0010100_001: BMUControlsD = `BMUCTRLW'b110_0001_000_101; // bseti 17'b0010011_0010100_001: BMUControlsD = `BMUCTRLW'b110_0001_000_1_0_1; // bseti
17'b0010011_0010101_001: if (`XLEN == 64) 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 else
BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction
17'b0110011_0100100_001: BMUControlsD = `BMUCTRLW'b111_0001_000_101; // bclr 17'b0110011_0100100_001: BMUControlsD = `BMUCTRLW'b111_0001_000_1_0_1; // bclr
17'b0110011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_101; // bext 17'b0110011_0100100_101: BMUControlsD = `BMUCTRLW'b101_0001_000_1_0_1; // bext
17'b0110011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_101; // binv 17'b0110011_0110100_001: BMUControlsD = `BMUCTRLW'b100_0001_000_1_0_1; // binv
17'b0110011_0010100_001: BMUControlsD = `BMUCTRLW'b110_0001_000_101; // bset 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_101; // sra, srai, srl, srli, sll, slli 17'b0?1?011_0?0000?_?01: BMUControlsD = `BMUCTRLW'b001_0000_000_1_0_1; // sra, srai, srl, srli, sll, slli
// ZBC // 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 // ZBA
17'b0110011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_101; // sh1add 17'b0110011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_1_0_1; // sh1add
17'b0110011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_101; // sh2add 17'b0110011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_1_0_1; // sh2add
17'b0110011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_101; // sh3add 17'b0110011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_1_0_1; // sh3add
17'b0111011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // sh1add.uw 17'b0111011_0010000_010: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // sh1add.uw
17'b0111011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // sh2add.uw 17'b0111011_0010000_100: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // sh2add.uw
17'b0111011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // sh3add.uw 17'b0111011_0010000_110: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // sh3add.uw
17'b0111011_0000100_000: BMUControlsD = `BMUCTRLW'b000_1000_000_111; // add.uw 17'b0111011_0000100_000: BMUControlsD = `BMUCTRLW'b000_1000_000_1_1_1; // add.uw
17'b0011011_000010?_001: BMUControlsD = `BMUCTRLW'b001_1000_000_111; // slli.uw 17'b0011011_000010?_001: BMUControlsD = `BMUCTRLW'b001_1000_000_1_1_1; // slli.uw
// ZBB // ZBB
17'b0110011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_101; // rol 17'b0110011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_1_0_1; // rol
17'b0111011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_111; // rolw 17'b0111011_0110000_001: BMUControlsD = `BMUCTRLW'b001_0100_111_1_1_1; // rolw
17'b0110011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_101; // ror 17'b0110011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_1_0_1; // ror
17'b0111011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_111; // rorw 17'b0111011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_1_1_1; // rorw
17'b0010011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_101; // rori (rv32) 17'b0010011_0110000_101: BMUControlsD = `BMUCTRLW'b001_0100_111_1_0_1; // rori (rv32)
17'b0010011_0110001_101: if (`XLEN == 64) 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 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) 17'b0011011_0110000_101: if (`XLEN == 64)
BMUControlsD = `BMUCTRLW'b001_0100_111_111; // roriw BMUControlsD = `BMUCTRLW'b001_0100_111_1_1_1; // roriw
else 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]) 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 else
BMUControlsD = `BMUCTRLW'b000_0100_000_101; // count instruction BMUControlsD = `BMUCTRLW'b000_0100_000_1_0_1; // count instruction
17'b0011011_0110000_001: BMUControlsD = `BMUCTRLW'b000_0100_000_111; // count word instruction 17'b0011011_0110000_001: BMUControlsD = `BMUCTRLW'b000_0100_000_1_1_1; // count word instruction
17'b0111011_0000100_100: if (`XLEN == 64) 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 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) 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 else
BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction
17'b0110011_0100000_111: BMUControlsD = `BMUCTRLW'b111_0100_111_101; // andn 17'b0110011_0100000_111: BMUControlsD = `BMUCTRLW'b111_0100_111_1_0_1; // andn
17'b0110011_0100000_110: BMUControlsD = `BMUCTRLW'b110_0100_111_101; // orn 17'b0110011_0100000_110: BMUControlsD = `BMUCTRLW'b110_0100_111_1_0_1; // orn
17'b0110011_0100000_100: BMUControlsD = `BMUCTRLW'b100_0100_111_101; // xnor 17'b0110011_0100000_100: BMUControlsD = `BMUCTRLW'b100_0100_111_1_0_1; // xnor
17'b0010011_0110101_101: if (`XLEN == 64) 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 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) 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 else
BMUControlsD = `BMUCTRLW'b000_0000_000_000; // illegal instruction BMUControlsD = `BMUCTRLW'b000_0000_000_0_0_0; // illegal instruction
17'b0010011_0010100_101: BMUControlsD = `BMUCTRLW'b000_0100_011_101; // orc.b 17'b0010011_0010100_101: BMUControlsD = `BMUCTRLW'b000_0100_011_1_0_1; // orc.b
17'b0110011_0000101_110: BMUControlsD = `BMUCTRLW'b000_0100_101_101; // max 17'b0110011_0000101_110: BMUControlsD = `BMUCTRLW'b000_0100_101_1_0_1; // max
17'b0110011_0000101_111: BMUControlsD = `BMUCTRLW'b000_0100_101_101; // maxu 17'b0110011_0000101_111: BMUControlsD = `BMUCTRLW'b000_0100_101_1_0_1; // maxu
17'b0110011_0000101_100: BMUControlsD = `BMUCTRLW'b000_0100_110_101; // min 17'b0110011_0000101_100: BMUControlsD = `BMUCTRLW'b000_0100_110_1_0_1; // min
17'b0110011_0000101_101: BMUControlsD = `BMUCTRLW'b000_0100_110_101; // minu 17'b0110011_0000101_101: BMUControlsD = `BMUCTRLW'b000_0100_110_1_0_1; // minu
default: BMUControlsD = {Funct3D, {10'b0}}; // not B instruction or shift default: BMUControlsD = {Funct3D, {10'b0}}; // not B instruction or shift
endcase endcase