Merge remote-tracking branch 'origin/2alu' into next-crazy
This commit is contained in:
commit
f4ac7199c9
@ -4,31 +4,41 @@ module ALU(
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input word_t a, b,
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input ALUCtrl_t aluctrl,
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output word_t aluout,
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output logic valid,
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output logic overflow
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);
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wire logic alt = aluctrl.alt;
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logic alt;
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logic [4:0] sa;
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logic ex;
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word_t sl, sr;
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word_t b2;
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word_t sum;
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logic lt, ltu;
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wire logic [4:0] sa = a[4:0];
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wire logic ex = alt & b[31];
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wire word_t sl = b << sa;
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assign alt = aluctrl.alt;
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assign sa = a[4:0];
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assign ex = alt & b[31];
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assign sl = b << sa;
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/* verilator lint_off WIDTH */
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wire word_t sr = {{31{ex}}, b} >> sa;
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assign sr = {{31{ex}}, b} >> sa;
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/* verilator lint_on WIDTH */
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wire word_t b2 = alt ? ~b : b;
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wire word_t sum;
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wire logic lt, ltu;
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assign b2 = alt ? ~b : b;
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/* verilator lint_off WIDTH */
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assign {lt, ltu, sum} = {a[31], 1'b0, a} + {b2[31], 1'b1, b2} + alt; // alt for cin(CARRY4) at synthesis
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/* verilator lint_on WIDTH */
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assign aluout = (aluctrl.f_sl ? sl : 32'b0)
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| (aluctrl.f_sr ? sr : 32'b0)
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| (aluctrl.f_add ? sum : 32'b0)
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| (aluctrl.f_and ? a & b : 32'b0)
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| (aluctrl.f_or ? alt ? ~(a | b) : a | b : 32'b0)
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| (aluctrl.f_xor ? a ^ b : 32'b0)
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| (aluctrl.f_slt ? {31'b0, lt } : 32'b0)
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| (aluctrl.f_sltu ? {31'b0, ltu} : 32'b0)
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| (aluctrl.f_mova ? a : 32'b0);
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assign valid = ~aluctrl.f_mov | b == 32'h0 ^ alt;
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assign aluout = (aluctrl.f_sl ? sl : 32'h0)
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| (aluctrl.f_sr ? sr : 32'h0)
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| (aluctrl.f_add ? sum : 32'h0)
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| (aluctrl.f_and ? a & b : 32'h0)
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| (aluctrl.f_or ? alt ? ~(a | b) : a | b : 32'h0)
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| (aluctrl.f_xor ? a ^ b : 32'h0)
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| (aluctrl.f_slt ? {31'b0, lt } : 32'h0)
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| (aluctrl.f_sltu ? {31'b0, ltu} : 32'h0)
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| (aluctrl.f_mov ? a : 32'h0);
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assign overflow = lt ^ sum[31];
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endmodule
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@ -36,16 +36,17 @@ module Controller (
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// Take Care of BGO
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assign ctrl.BGO = ~inst[26] & (eq | inst[27] & ltz) | inst[26] & (~inst[27] & (~inst[28] & (inst[16] & ~ltz | ~inst[16] & ltz) | inst[28] & ~eq) | inst[27] & ~eq & ~ltz);
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assign ctrl.PRV = ~inst[31] & inst[30] & ~inst[29];
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assign ctrl.SYSCALL = ~inst[31] & ~inst[30] & ~inst[29] & ~inst[28] & ~inst[27] & ~inst[26] & inst[3] & inst[2] & ~inst[0];
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assign ctrl.BREAK = ~inst[31] & ~inst[30] & ~inst[29] & ~inst[28] & ~inst[27] & ~inst[26] & inst[3] & inst[2] & ~inst[1] & inst[0];
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assign ctrl.ERET = ~inst[31] & inst[30] & inst[4];
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assign ctrl.OFA = ~inst[26] & ~inst[30] & (~inst[29] & ~inst[31] & ~inst[28] & ~inst[27] & inst[5] & ~inst[0] & ~inst[4] & ~inst[2] & ~inst[3] | inst[29] & ~inst[27] & ~inst[31] & ~inst[28]);
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assign ctrl.ES = ~inst[30] & (~inst[28] & ~inst[27] & (~inst[26] & (~inst[3] & inst[2] | inst[3] & (inst[1] | inst[4]) | inst[5]) | inst[26] & inst[19]) | inst[31]) | inst[29];
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assign ctrl.ET = ~inst[26] & ~inst[27] & ~inst[31] & (~inst[30] & ~inst[29] & ~inst[28] & (~inst[3] & ~inst[4] | inst[3] & inst[4] | inst[5]) | inst[30] & inst[29]);
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assign ctrl.DS = ~inst[26] & (~inst[28] & ~inst[30] & ~inst[31] & ~inst[29] & ~inst[27] & inst[3] & ~inst[1] & ~inst[4] & ~inst[2] | inst[28] & ~inst[29] & ~inst[31]) | inst[26] & ~inst[31] & ~inst[29] & (~inst[27] & ~inst[19] | inst[28]);
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assign ctrl.DT = ~inst[28] & ~inst[26] & ~inst[30] & ~inst[31] & ~inst[29] & ~inst[27] & inst[3] & inst[1] & ~inst[5] & ~inst[4] | inst[28] & ~inst[29] & ~inst[31] & ~inst[27];
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assign ctrl.ES = ~inst[31] & ~inst[27] & (~inst[30] & ~inst[29] & (~inst[28] & ~inst[26] & (~inst[5] & ~inst[4] & inst[3] & ~inst[2] & inst[1] | inst[4] & (inst[5] | inst[3])) | ~inst[28] & inst[26] & inst[19]) | inst[30] & inst[29]) | inst[31] & ~inst[30];
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assign ctrl.ET = ~inst[27] & ~inst[26] & (~inst[31] & ~inst[30] & ~inst[29] & ~inst[28] & (~inst[5] & ~inst[4] & inst[3] & ~inst[2] & inst[1] | inst[4] & (inst[5] | inst[3])) | inst[30] & inst[29]);
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assign ctrl.ES2 = ~inst[30] & ~inst[28] & ~inst[27] & ~inst[26] & (inst[5] | ~inst[3] & inst[2]) | inst[29];
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assign ctrl.ET2 = ~inst[31] & ~inst[30] & ~inst[29] & ~inst[28] & ~inst[27] & ~inst[26] & (inst[5] | ~inst[4] & ~inst[3]);
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assign ctrl.DS = ~inst[26] & (~inst[31] & ~inst[30] & ~inst[29] & ~inst[28] & ~inst[27] & ~inst[4] & inst[3] & ~inst[2] & ~inst[1] | ~inst[31] & ~inst[29] & inst[28]) | ~inst[31] & ~inst[29] & inst[26] & (inst[28] | ~inst[27] & ~inst[19]);
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assign ctrl.DT = ~inst[31] & ~inst[29] & inst[28] & ~inst[27];
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assign ctrl.DP0 = ~inst[31] & (~inst[30] & (~inst[26] & (~inst[4] | ~inst[5] | inst[27] | inst[28]) | inst[26] & (~inst[19] | inst[27] | inst[28])) | inst[30] & (~inst[25] | inst[4]) | inst[29]) | inst[31] & inst[30];
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assign ctrl.DP1 = ~inst[30] & (~inst[4] | inst[5] | inst[28] | inst[29] | inst[31] | inst[27] | inst[26]) | inst[30] & ~inst[29] & (inst[25] | inst[31]);
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@ -58,11 +59,11 @@ module Controller (
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assign ctrl.ECtrl.OP.f_xor = ~inst[31] & (~inst[28] & ~inst[26] & ~inst[27] & ~inst[29] & inst[5] & ~inst[0] & inst[2] & ~inst[4] & inst[1] | inst[28] & inst[27]);
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assign ctrl.ECtrl.OP.f_slt = ~inst[31] & ~inst[28] & (~inst[26] & (~inst[29] & inst[5] & ~inst[0] & ~inst[2] & (inst[3] | inst[4]) | inst[27]) | inst[26] & ~inst[29] & ~inst[27] & ~inst[16] & ~inst[18] & ~inst[20]);
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assign ctrl.ECtrl.OP.f_sltu = ~inst[31] & ~inst[28] & (~inst[26] & ~inst[27] & ~inst[29] & inst[5] & inst[0] & ~inst[2] & (inst[3] | inst[4]) | inst[26] & (~inst[29] & ~inst[27] & inst[16] & ~inst[20] | inst[29] & inst[27]));
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assign ctrl.ECtrl.OP.f_mova = ~inst[31] & ~inst[29] & ~inst[28] & ~inst[27] & ~inst[26] & ~inst[5] & inst[3] & inst[1];
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assign ctrl.ECtrl.OP.alt = ~inst[31] & ~inst[28] & (~inst[29] & ~inst[27] & (~inst[26] & (inst[1] & (inst[0] | inst[5]) | inst[4]) | inst[26] & ~inst[20]) | inst[29] & inst[27]);
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assign ctrl.ECtrl.OP.f_mov = ~inst[31] & ~inst[29] & ~inst[28] & ~inst[27] & ~inst[26] & ~inst[5] & inst[3] & inst[1];
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assign ctrl.ECtrl.OP.alt = ~inst[31] & ~inst[28] & (~inst[29] & ~inst[27] & (~inst[26] & (inst[4] | inst[1] & (inst[5] | inst[0])) | inst[26] & ~inst[20]) | inst[29] & inst[27]);
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assign ctrl.ECtrl.SA = SA_t'({(~inst[27] & (~inst[26] & ((inst[3] & inst[1] | inst[2]) | inst[5]) | inst[26] & ~inst[20]) | inst[31]) | inst[29], (~inst[28] & (inst[2] | inst[3] | inst[5] | inst[29] | inst[26]) | inst[28] & (~inst[27] | ~inst[26])) | inst[31]});
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assign ctrl.ECtrl.SB = SB_t'({(inst[26] & ~inst[27] & ~inst[20] | inst[31]) | inst[29], inst[3] & ~inst[5] | inst[26]});
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assign ctrl.ECtrl.SB = SB_t'({inst[31] | inst[29] | ~inst[27] & inst[26] & ~inst[20], inst[26] | inst[3] & ~inst[1]});
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assign ctrl.MCtrl0.HW = ~inst[30] & ~inst[26] & ~inst[29] & ~inst[28] & ~inst[27] & inst[4] & (~inst[5] & ~inst[1] & inst[0] | inst[3]) | inst[30] & inst[29] & ~inst[1];
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assign ctrl.MCtrl0.LW = ~inst[30] & ~inst[26] & ~inst[29] & ~inst[28] & ~inst[27] & inst[4] & (~inst[5] & inst[1] & inst[0] | inst[3]) | inst[30] & inst[29] & ~inst[1];
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@ -95,14 +96,10 @@ module Controller (
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assign ctrl.MCtrl1.CACHE_OP.writeback = ~inst[20] & ~inst[19] & inst[16] | inst[18];
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`ifdef ENABLE_TRAP
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assign ctrl.Trap.TEN = ~inst[29] & (~inst[26] & ~inst[30] & ~inst[31] & ~inst[28] & ~inst[27] & inst[4] & inst[5] | inst[26] & ~inst[31] & ~inst[28] & ~inst[27] & inst[19]);
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assign ctrl.Trap.TEN = ~inst[31] & ~inst[29] & ~inst[28] & ~inst[27] & (~inst[30] & ~inst[26] & inst[5] & inst[4] | inst[26] & inst[19]);
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assign ctrl.Trap.TP = TrapOp_t'({~inst[26] & inst[2] | inst[26] & inst[18], ~inst[26] & inst[1] | inst[26] & inst[17]});
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`endif
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logic mov, rw, eqz;
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assign mov = ~inst[31] & ~inst[30] & ~inst[29] & ~inst[28] & ~inst[27] & ~inst[26] & ~inst[5] & ~inst[4] & inst[3] & ~inst[2] & inst[1];
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assign rw = ~inst[30] & (~inst[26] & (~inst[27] & (~inst[31] & (~inst[28] & (~inst[4] & (~inst[3] | ~inst[2] & (inst[0] | inst[1])) | inst[4] & ~inst[5] & ~inst[3] & ~inst[0]) | inst[29]) | inst[31] & ~inst[29]) | inst[27] & (~inst[31] & inst[29] | inst[31] & ~inst[29])) | inst[26] & (~inst[29] & (~inst[27] & ~inst[28] & inst[20] | inst[27] & ~inst[28] | inst[31]) | inst[29] & ~inst[31])) | inst[30] & ~inst[31] & ~inst[3] & (~inst[29] & ~inst[25] & ~inst[23] | inst[29] & inst[1]);
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assign eqz = rt == 32'h0;
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assign ctrl.WCtrl.RW = ctrl.RD != 5'b00000 & (~mov | ~inst[0] & eqz | inst[0] & ~eqz) & rw;
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assign ctrl.WCtrl.RW = ctrl.RD != 5'b00000 & (~inst[30] & (~inst[26] & (~inst[27] & (~inst[31] & (~inst[28] & (~inst[4] & (~inst[3] | ~inst[2] & (inst[0] | inst[1])) | inst[4] & ~inst[5] & ~inst[3] & ~inst[0]) | inst[29]) | inst[31] & ~inst[29]) | inst[27] & (~inst[31] & inst[29] | inst[31] & ~inst[29])) | inst[26] & (~inst[29] & (~inst[27] & ~inst[28] & inst[20] | inst[27] & ~inst[28] | inst[31]) | inst[29] & ~inst[31])) | inst[30] & ~inst[31] & ~inst[3] & (~inst[29] & ~inst[25] & ~inst[23] | inst[29] & inst[1]));
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endmodule
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@ -119,6 +119,8 @@ module Datapath (
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logic D_IB_TLBInvalid;
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logic D_IB_AddressError;
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logic D_IA_HazardALU2;
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logic D_IB_HazardALU2;
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logic D_IA_Hazard;
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logic D_IB_Hazard;
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@ -131,19 +133,21 @@ module Datapath (
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word_t E_I0_A;
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word_t E_I0_B;
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logic E_I0_ALUvalid;
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logic E_I0_Overflow;
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WCtrl_t E_I0_NowWCtrl;
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logic E_I0_NowExcValid;
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logic E_I0_NowExcValidWithoutOF;
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logic E_I0_PrevExcValid;
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logic [4:0] E_I0_PrevExcCode;
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logic E_I0_PrevERET;
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logic E_I0_PrevREFILL;
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logic E_I0_ExcValidWithoutOF;
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word_t E_I1_A;
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word_t E_I1_B;
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word_t E_I1_ADDR;
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logic E_I1_ALUvalid;
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logic E_I1_Overflow;
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WCtrl_t E_I1_NowWCtrl;
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logic E_I1_STRBERROR;
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logic E_I1_NowExcValid;
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logic E_I1_NowExcValidWithoutOF;
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@ -201,6 +205,14 @@ module Datapath (
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`endif
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word_t M_I1_MData;
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word_t M_I0_A;
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word_t M_I0_B;
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logic M_I0_ALUvalid;
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logic M_I0_Overflow;
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logic M_I0_NowExcValid;
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logic M_I0_PrevExcValid;
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logic [4:0] M_I0_PrevExcCode;
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logic M_I0_DIV_valid;
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word_t M_I0_DIVH;
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word_t M_I0_DIVL;
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@ -296,7 +308,7 @@ module Datapath (
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assign rstD = D_IA_valid & (D.IA.B & D.IA.BGO | D.IA.JR | D.IA.J) & D_IB_valid & D_readygo;
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assign rstM = C0.cpu_exception.ExcValid;
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assign PF_go = ~D.IA_ExcValid & ~D.IB_ExcValid & ~E_I0_ExcValidWithoutOF & ~E_I1_ExcValidWithoutOF
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assign PF_go = ~D.IA_ExcValid & ~D.IB_ExcValid & ~E.I0.ExcValid & ~E_I1_ExcValidWithoutOF
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& (~D_IB_valid | ~D.IA.JR | PF_pcjr[1:0] == 2'b00);
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assign fetch.req = M_exception.ExcValid
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| PF_go & (~D_IB_valid & ~fetch.data_ok | (~D.IA.BJRJ | D_readygo)
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@ -462,8 +474,7 @@ module Datapath (
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| D_IA_ri | D_IA_cpu
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| D_IA_TLBRefill | D_IA_TLBInvalid
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| D_IA_AddressError
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| D.IA.SYSCALL | D.IA.BREAK | D.IA.ERET
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| D.IA.PRV & ~C0.cp0_in_kernel);
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| D.IA.SYSCALL | D.IA.BREAK | D.IA.ERET);
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assign D.IA_ERET = D_IA_valid & D.IA_pc[1:0] == 2'b00 & ~D_IA_TLBRefill & ~D_IA_TLBInvalid & ~D_IA_AddressError & ~D_IA_ri & ~D_IA_cpu & D.IA.ERET;
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assign D.IA_REFILL = D_IA_valid & D.IB_pc[1:0] == 2'b00 & D_IA_TLBRefill;
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assign D.IA_ExcCode = D.IA_pc[1:0] != 2'b00 | D_IA_AddressError ? `EXCCODE_ADEL
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@ -480,8 +491,7 @@ module Datapath (
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| D_IB_TLBRefill | D_IB_TLBInvalid
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| D_IB_AddressError
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| D.IB.SYSCALL | D.IB.BREAK | D.IB.ERET
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| D.IB_Delay & D.IB.BJRJ
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| D.IB.PRV & ~C0.cp0_in_kernel);
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| D.IB_Delay & D.IB.BJRJ);
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assign D.IB_ERET = D_IB_valid & D.IB_pc[1:0] == 2'b00 & ~D_IB_TLBRefill & ~D_IB_TLBInvalid & ~D_IB_AddressError & ~D_IB_ri & ~D_IB_cpu & D.IB.ERET & ~D.IB_Delay;
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assign D.IB_REFILL = D_IB_valid & D.IB_pc[1:0] == 2'b00 & D_IB_TLBRefill;
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// EXCCODE_BP and EXCCODE_SYSCALL -> exc.txt
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@ -497,10 +507,32 @@ module Datapath (
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: `EXCCODE_RI;
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assign D.IB_Delay = D.IA.BJRJ;
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// D.Dispatch
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// Not Arith -> Arith
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assign D_IA_Hazard = E.I0.WCtrl.RW & D.IA.RS == E.I0.RD & D.IA.ES & ~E.I0.MCtrl.RS0[2]
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| E.I0.WCtrl.RW & D.IA.RT == E.I0.RD & D.IA.ET & ~E.I0.MCtrl.RS0[2]
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assign D_IA_HazardALU2 = E.I0.WCtrl.RW & D.IA.RS == E.I0.RD & D.IA.ES2 & ~E.I0.MCtrl_ALU1
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| E.I0.WCtrl.RW & D.IA.RT == E.I0.RD & D.IA.ET2 & ~E.I0.MCtrl_ALU1
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// Load -> Arith
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| E.I1.WCtrl.RW & D.IA.RS == E.I1.RD & D.IA.ES2 & E.I1.MCtrl.MR
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| E.I1.WCtrl.RW & D.IA.RT == E.I1.RD & D.IA.ET2 & E.I1.MCtrl.MR
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;
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// Not Arith -> Arith
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assign D_IB_HazardALU2 = E.I0.WCtrl.RW & D.IB.RS == E.I0.RD & D.IB.ES2 & ~E.I0.MCtrl_ALU1
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| E.I0.WCtrl.RW & D.IB.RT == E.I0.RD & D.IB.ET2 & ~E.I0.MCtrl_ALU1
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// Load -> Arith
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| E.I1.WCtrl.RW & D.IB.RS == E.I1.RD & D.IB.ES2 & E.I1.MCtrl.MR
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| E.I1.WCtrl.RW & D.IB.RT == E.I1.RD & D.IB.ET2 & E.I1.MCtrl.MR
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// Arith -> Arith
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| D.IA.WCtrl.RW & D.IB.RS == D.IA.RD & D.IB.ES2
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| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & D.IB.ET2
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;
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assign D.A = ~(D.IA.DP0 & D.IA.DP1 | D.IA_ExcValid) ? D.IA.DP1 : D.IB.DP0 & ~D_IA_HazardALU2;
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// D.Dispatch
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assign D_IA_Hazard = D_IA_HazardALU2 & D.A
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// Not Arith -> Arith
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| E.I0.WCtrl.RW & D.IA.RS == E.I0.RD & D.IA.ES & ~E.I0.MCtrl_ALU1
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| E.I0.WCtrl.RW & D.IA.RT == E.I0.RD & D.IA.ET & ~E.I0.MCtrl_ALU1
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// Load -> Arith
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| E.I1.WCtrl.RW & D.IA.RS == E.I1.RD & D.IA.ES & E.I1.MCtrl.MR
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| E.I1.WCtrl.RW & D.IA.RT == E.I1.RD & D.IA.ET & E.I1.MCtrl.MR
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@ -510,8 +542,8 @@ module Datapath (
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| E.I1.WCtrl.RW & D.IA.RS == E.I1.RD & D.IA.DS
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| E.I1.WCtrl.RW & D.IA.RT == E.I1.RD & D.IA.DT
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// Not Arith -> B / JR
|
||||
| M.I0.WCtrl.RW & D.IA.RS == M.I0.RD & D.IA.DS & ~M.I0.MCtrl.RS0[2]
|
||||
| M.I0.WCtrl.RW & D.IA.RT == M.I0.RD & D.IA.DT & ~M.I0.MCtrl.RS0[2]
|
||||
| M.I0.WCtrl.RW & D.IA.RS == M.I0.RD & D.IA.DS & ~M.I0.MCtrl_ALU1
|
||||
| M.I0.WCtrl.RW & D.IA.RT == M.I0.RD & D.IA.DT & ~M.I0.MCtrl_ALU1
|
||||
// Load -> B / JR
|
||||
| M.I1.WCtrl.RW & D.IA.RS == M.I1.RD & D.IA.DS & M.I1.MCtrl.MR
|
||||
| M.I1.WCtrl.RW & D.IA.RT == M.I1.RD & D.IA.DT & M.I1.MCtrl.MR
|
||||
@ -522,34 +554,29 @@ module Datapath (
|
||||
`endif
|
||||
;
|
||||
|
||||
assign D_IB_Hazard = D_IB_HazardALU2 & ~D.A
|
||||
// Not Arith -> Arith
|
||||
assign D_IB_Hazard = E.I0.WCtrl.RW & D.IB.RS == E.I0.RD & D.IB.ES & ~E.I0.MCtrl.RS0[2]
|
||||
| E.I0.WCtrl.RW & D.IB.RT == E.I0.RD & D.IB.ET & ~E.I0.MCtrl.RS0[2]
|
||||
| E.I0.WCtrl.RW & D.IB.RS == E.I0.RD & D.IB.ES & ~E.I0.MCtrl_ALU1
|
||||
| E.I0.WCtrl.RW & D.IB.RT == E.I0.RD & D.IB.ET & ~E.I0.MCtrl_ALU1
|
||||
// Load -> Arith
|
||||
| E.I1.WCtrl.RW & D.IB.RS == E.I1.RD & D.IB.ES & E.I1.MCtrl.MR
|
||||
| E.I1.WCtrl.RW & D.IB.RT == E.I1.RD & D.IB.ET & E.I1.MCtrl.MR
|
||||
// Arith -> Arith
|
||||
| D.IA.WCtrl.RW & D.IB.RS == D.IA.RD & D.IB.ES
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & D.IB.ET
|
||||
// Load -> Arith2
|
||||
| D.IA.WCtrl.RW & D.IB.RS == D.IA.RD & D.IB.ES2 & ~D.IA.DP0
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & D.IB.ET2 & ~D.IA.DP0
|
||||
// Load -> MulDiv
|
||||
| D.IA.WCtrl.RW & D.IB.RS == D.IA.RD & D.IB.MCtrl0.HLS[2] & ~D.IA.DP0
|
||||
// Load -> C0
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & D.IB.MCtrl0.C0W & ~D.IA.DP0
|
||||
// Not Arith -> Store
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & D.IB.MCtrl1.MWR & ~D.IA.DP1
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & D.IB.MCtrl1.MWR & (~D.IA.DP1 | D_IA_HazardALU2)
|
||||
`ifdef ENABLE_UNALIGNED
|
||||
// Not Arith -> LWL/LWR
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & |D.IB.MCtrl1.ALR & ~D.IA.DP1
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & |D.IB.MCtrl1.ALR & (~D.IA.DP1 | D_IA_HazardALU2)
|
||||
`endif
|
||||
// Any -> MOVN/MOVZ
|
||||
| D.IA.WCtrl.RW & D.IB.RT == D.IA.RD & D.IB.DT
|
||||
// Arith -> MOVN/MOVZ
|
||||
| E.I0.WCtrl.RW & D.IB.RT == E.I0.RD & D.IB.DT
|
||||
| E.I1.WCtrl.RW & D.IB.RT == E.I1.RD & D.IB.DT
|
||||
// Not Arith -> MOVN/MOVZ
|
||||
| M.I0.WCtrl.RW & D.IB.RT == M.I0.RD & D.IB.DT & ~M.I0.MCtrl.RS0[2]
|
||||
// Load -> MOVN/MOVZ
|
||||
| M.I1.WCtrl.RW & D.IB.RT == M.I1.RD & D.IB.DT & M.I1.MCtrl.MR
|
||||
// CP0 Execution Hazards
|
||||
// Hazards Related to the TLB
|
||||
`ifdef ENABLE_TLB
|
||||
@ -575,8 +602,6 @@ module Datapath (
|
||||
| D.IA.MCtrl0.C0W & D.IB.ERET & D.IA.MCtrl0.C0D == C0_EPC
|
||||
;
|
||||
|
||||
assign D.A = (D.IA.DP0 & D.IA.DP1 | D.IA_ExcValid) ? D.IB.DP0 : D.IA.DP1;
|
||||
|
||||
assign D_IA_can_dispatch = ~D_IA_valid | D.IA_ExcValid | ~D_IA_Hazard & (~D.IA.BJRJ | D_IB_valid);
|
||||
assign D_IB_can_dispatch = ~D_IB_valid | D.IB_ExcValid & ~(D.IB.ERET & ~D.IB_Delay) | ~D_IB_Hazard & ~D.IB.BJRJ & (D.A ? D.IB.DP0 : D.IB.DP1);
|
||||
|
||||
@ -615,6 +640,7 @@ module Datapath (
|
||||
assign D.I0.sa = D.A ? D.IB_sa : D.IA_sa;
|
||||
assign D.I0.ECtrl = D.A ? D.IB.ECtrl : D.IA.ECtrl;
|
||||
assign D.I0.MCtrl = D.A ? D.IB.MCtrl0 : D.IA.MCtrl0;
|
||||
assign D.I0.MCtrl_ALU1 = D.I0.MCtrl.RS0[2] & (D.A ? ~D_IB_HazardALU2 : ~D_IA_HazardALU2);
|
||||
assign D.I0.RD = D.A ? D.IB.RD : D.IA.RD;
|
||||
assign D.I0.WCtrl = D.A ? D.IB.WCtrl : D.IA.WCtrl;
|
||||
|
||||
@ -754,13 +780,13 @@ module Datapath (
|
||||
E.en,
|
||||
E.I0.ECtrl
|
||||
);
|
||||
ffenrc #($bits(D.I0.MCtrl)) E_I0_MCtrl_ff (
|
||||
ffenrc #($bits(D.I0.MCtrl) + $bits(D.I0.MCtrl_ALU1)) E_I0_MCtrl_ff (
|
||||
clk,
|
||||
rst | rstM,
|
||||
D.I0.MCtrl,
|
||||
{D.I0.MCtrl, D.I0.MCtrl_ALU1},
|
||||
E.en,
|
||||
~D_go | ~D_I0_go,
|
||||
E.I0.MCtrl
|
||||
{E.I0.MCtrl, E.I0.MCtrl_ALU1}
|
||||
);
|
||||
ffenrc #(5 + $bits(D.I0.WCtrl)) E_I0_WCtrl_ff (
|
||||
clk,
|
||||
@ -817,8 +843,7 @@ module Datapath (
|
||||
E.en,
|
||||
E.I1.ECtrl
|
||||
);
|
||||
ffenrc #($bits(D.I1.MCtrl))
|
||||
E_I1_MCtrl_ff (
|
||||
ffenrc #($bits(D.I1.MCtrl)) E_I1_MCtrl_ff (
|
||||
clk,
|
||||
rst | rstM,
|
||||
D.I1.MCtrl,
|
||||
@ -846,14 +871,11 @@ module Datapath (
|
||||
);
|
||||
|
||||
// E.Exc
|
||||
assign E_I0_NowExcValidWithoutOF = C0_int & E_valid;
|
||||
assign E_I0_NowExcValid = E_I0_NowExcValidWithoutOF | E_I0_Overflow & E.I0.OFA;
|
||||
assign E_I0_ExcValidWithoutOF = E_I0_PrevExcValid | E_I0_NowExcValidWithoutOF;
|
||||
assign E_I0_NowExcValid = C0_int & E_valid;
|
||||
assign E.I0.ExcValid = E_I0_PrevExcValid | E_I0_NowExcValid;
|
||||
assign E.I0.ERET = E_I0_PrevERET & ~C0_int;
|
||||
assign E.I0.REFILL = E_I0_PrevREFILL & ~C0_int;
|
||||
assign E.I0.ExcCode = C0_int ? 5'h0
|
||||
: E_I0_PrevExcValid ? E_I0_PrevExcCode : `EXCCODE_OV;
|
||||
assign E.I0.ExcCode = C0_int ? 5'h0 : E_I0_PrevExcCode;
|
||||
|
||||
assign E_I1_NowExcValidWithoutOF = C0_int & E_valid | E.I1.MCtrl.MR & E_I1_STRBERROR;
|
||||
assign E_I1_NowExcValid = E_I1_NowExcValidWithoutOF | E_I1_Overflow & E.I1.OFA;
|
||||
@ -868,7 +890,7 @@ module Datapath (
|
||||
assign E.I1.BadVAddr = E_I1_PrevExcValid ? E.I1.pc : E.I1.ALUOut;
|
||||
|
||||
assign E_I0_go = ~E_I0_NowExcValid & (~E.A | ~E_I1_NowExcValid);
|
||||
assign E_I1_goWithoutOF = ~E_I1_NowExcValidWithoutOF & (E.A | ~E_I0_NowExcValidWithoutOF);
|
||||
assign E_I1_goWithoutOF = ~E_I1_NowExcValidWithoutOF & (E.A | ~E_I0_NowExcValid);
|
||||
assign E_I1_go = ~E_I1_NowExcValid & (E.A | ~E_I0_NowExcValid);
|
||||
|
||||
// E.I0.ALU
|
||||
@ -892,8 +914,10 @@ module Datapath (
|
||||
E_I0_B,
|
||||
E.I0.ECtrl.OP,
|
||||
E.I0.ALUOut,
|
||||
E_I0_ALUvalid,
|
||||
E_I0_Overflow
|
||||
);
|
||||
assign E_I0_NowWCtrl.RW = E.I0.WCtrl.RW & (~E.I0.MCtrl_ALU1 | E_I0_ALUvalid);
|
||||
|
||||
// E.I0.MUL
|
||||
mul_signed E_I0_MULT_mul (
|
||||
@ -950,8 +974,10 @@ module Datapath (
|
||||
E_I1_B,
|
||||
E.I1.ECtrl.OP,
|
||||
E.I1.ALUOut,
|
||||
E_I1_ALUvalid,
|
||||
E_I1_Overflow
|
||||
);
|
||||
assign E_I1_NowWCtrl.RW = E.I1.WCtrl.RW & (E.I1.MCtrl.MR | E_I1_ALUvalid);
|
||||
|
||||
// E.I1.MEM
|
||||
memerror E_I1_memerror (
|
||||
@ -1055,7 +1081,15 @@ module Datapath (
|
||||
{E.I0.ExcValid, E.I0.ERET, E.I0.REFILL, E.I0.ExcCode, E.I0.CE, E.I0.Delay},
|
||||
M.en,
|
||||
~E_go,
|
||||
{M.I0.ExcValid, M.I0.ERET, M.I0.REFILL, M.I0.ExcCode, M.I0.CE, M.I0.Delay}
|
||||
{M_I0_PrevExcValid, M.I0.ERET, M.I0.REFILL, M_I0_PrevExcCode, M.I0.CE, M.I0.Delay}
|
||||
);
|
||||
ffenrc #(1) M_I0_ExcCtrl_ff (
|
||||
clk,
|
||||
rst | rstM,
|
||||
E.I0.OFA,
|
||||
M.en,
|
||||
~E_go | ~E_I0_go,
|
||||
M.I0.OFA
|
||||
);
|
||||
ffen #(5 + 5) M_I0_RST_ff (
|
||||
clk,
|
||||
@ -1075,18 +1109,30 @@ module Datapath (
|
||||
M.en,
|
||||
M.I0.ALUOut
|
||||
);
|
||||
ffenrc #($bits(E.I0.MCtrl)) M_I0_MCtrl_ff (
|
||||
ffen #(32 + 5) M_I0_IS_ff (
|
||||
clk,
|
||||
{E.I0.imm, E.I0.sa},
|
||||
M.en,
|
||||
{M.I0.imm, M.I0.sa}
|
||||
);
|
||||
ffen #($bits(E.I0.ECtrl)) M_I0_ECtrl_ff (
|
||||
clk,
|
||||
E.I0.ECtrl,
|
||||
M.en,
|
||||
M.I0.ECtrl
|
||||
);
|
||||
ffenrc #($bits(E.I0.MCtrl) + $bits(E.I0.MCtrl_ALU1)) M_I0_MCtrl_ff (
|
||||
clk,
|
||||
rst | rstM,
|
||||
E.I0.MCtrl,
|
||||
{E.I0.MCtrl, E.I0.MCtrl_ALU1},
|
||||
M.en,
|
||||
~E_go | ~E_I0_go,
|
||||
M.I0.MCtrl
|
||||
{M.I0.MCtrl, M.I0.MCtrl_ALU1}
|
||||
);
|
||||
ffenrc #(5 + $bits(E.I0.WCtrl)) M_I0_WCtrl_ff (
|
||||
ffenrc #(5 + $bits(E_I0_NowWCtrl)) M_I0_WCtrl_ff (
|
||||
clk,
|
||||
rst | rstM,
|
||||
{E.I0.RD, E.I0.WCtrl},
|
||||
{E.I0.RD, E_I0_NowWCtrl},
|
||||
M.en,
|
||||
~E_go | ~E_I0_go,
|
||||
{M.I0.RD, M.I0.WCtrl}
|
||||
@ -1130,8 +1176,7 @@ module Datapath (
|
||||
M.en,
|
||||
M.I1.ALUOut
|
||||
);
|
||||
ffenrc #($bits(E.I1.MCtrl))
|
||||
M_I1_MCtrl_ff (
|
||||
ffenrc #($bits(E.I1.MCtrl)) M_I1_MCtrl_ff (
|
||||
clk,
|
||||
rst | rstM,
|
||||
E.I1.MCtrl,
|
||||
@ -1149,10 +1194,10 @@ module Datapath (
|
||||
M.I1.Trap
|
||||
);
|
||||
`endif
|
||||
ffenrc #(5 + $bits(E.I1.WCtrl)) M_I1_WCtrl_ff (
|
||||
ffenrc #(5 + $bits(E_I1_NowWCtrl)) M_I1_WCtrl_ff (
|
||||
clk,
|
||||
rst | rstM,
|
||||
{E.I1.RD, E.I1.WCtrl},
|
||||
{E.I1.RD, E_I1_NowWCtrl},
|
||||
M.en,
|
||||
~E_go | ~E_I1_go,
|
||||
{M.I1.RD, M.I1.WCtrl}
|
||||
@ -1175,6 +1220,9 @@ module Datapath (
|
||||
{dTLBRefillB, dTLBInvalidB, dTLBModifiedB, dAddressErrorB}
|
||||
);
|
||||
|
||||
assign M_I0_NowExcValid = M_I0_Overflow & M.I0.OFA;
|
||||
assign M.I0.ExcValid = M_I0_PrevExcValid | M_I0_NowExcValid;
|
||||
assign M.I0.ExcCode = M_I0_PrevExcValid ? M_I0_PrevExcCode : `EXCCODE_OV;
|
||||
assign M_I1_NowExcValid = 0
|
||||
`ifdef ENABLE_TLB
|
||||
| dTLBRefillB | dTLBInvalidB | dTLBModifiedB | dAddressErrorB
|
||||
@ -1194,8 +1242,8 @@ module Datapath (
|
||||
: dTLBInvalidB ? M.I1.MCtrl.MWR ? `EXCCODE_TLBS : `EXCCODE_TLBL
|
||||
: `EXCCODE_MOD;
|
||||
|
||||
assign M_I0_go = ~M.A | ~M_I1_NowExcValid;
|
||||
assign M_I1_go = ~M_I1_NowExcValid;
|
||||
assign M_I0_go = ~M_I0_NowExcValid & (~M.A | ~M_I1_NowExcValid);
|
||||
assign M_I1_go = ~M_I1_NowExcValid & ( M.A | ~M_I0_NowExcValid);
|
||||
|
||||
assign {M_exception, M_exception_REFILL} = {
|
||||
M.I1.ExcValid | M.I0.ExcValid,
|
||||
@ -1212,6 +1260,31 @@ module Datapath (
|
||||
M_exception.ERET & M.en
|
||||
};
|
||||
|
||||
// M.I0.ALU
|
||||
mux4 #(32) M_I0_A_mux (
|
||||
{27'b0, M.I0.sa},
|
||||
M.I0.pc,
|
||||
32'd0,
|
||||
M_I0_ForwardS,
|
||||
M.I0.ECtrl.SA,
|
||||
M_I0_A
|
||||
);
|
||||
mux3 #(32) M_I0_B_mux (
|
||||
M_I0_ForwardT,
|
||||
32'd8,
|
||||
M.I0.imm,
|
||||
M.I0.ECtrl.SB,
|
||||
M_I0_B
|
||||
);
|
||||
ALU M_I0_ALU (
|
||||
M_I0_A,
|
||||
M_I0_B,
|
||||
M.I0.ECtrl.OP,
|
||||
M.I0.ALUOut2,
|
||||
M_I0_ALUvalid,
|
||||
M_I0_Overflow
|
||||
);
|
||||
|
||||
// M.I0.MUL
|
||||
ffenr #(97) M_I0_MAS_ff (
|
||||
clk,rst,
|
||||
@ -1267,7 +1340,7 @@ module Datapath (
|
||||
HI,
|
||||
M_I0_MULTLB,
|
||||
C0_rdata,
|
||||
M.I0.ALUOut,
|
||||
M.I0.ALUOut2,
|
||||
M.I0.MCtrl.RS0,
|
||||
M.I0.RDataW
|
||||
);
|
||||
|
@ -65,7 +65,7 @@ typedef struct packed {
|
||||
logic f_xor;
|
||||
logic f_slt;
|
||||
logic f_sltu;
|
||||
logic f_mova;
|
||||
logic f_mov;
|
||||
logic alt;
|
||||
} ALUCtrl_t;
|
||||
|
||||
@ -172,8 +172,6 @@ typedef struct packed {
|
||||
} WCtrl_t;
|
||||
|
||||
typedef struct packed {
|
||||
logic PRV;
|
||||
|
||||
logic SYSCALL;
|
||||
logic BREAK;
|
||||
logic ERET;
|
||||
@ -193,6 +191,8 @@ typedef struct packed {
|
||||
logic DT;
|
||||
logic ES;
|
||||
logic ET;
|
||||
logic ES2;
|
||||
logic ET2;
|
||||
|
||||
ECtrl_t ECtrl;
|
||||
|
||||
@ -268,6 +268,7 @@ typedef struct packed {
|
||||
ECtrl_t ECtrl;
|
||||
|
||||
MCtrl0_t MCtrl;
|
||||
logic MCtrl_ALU1; // critical
|
||||
|
||||
logic [4:0] RD;
|
||||
WCtrl_t WCtrl;
|
||||
@ -331,6 +332,7 @@ typedef struct packed {
|
||||
word_t ALUOut;
|
||||
|
||||
MCtrl0_t MCtrl;
|
||||
logic MCtrl_ALU1; // critical
|
||||
|
||||
logic [4:0] RD;
|
||||
WCtrl_t WCtrl;
|
||||
@ -383,6 +385,7 @@ typedef struct packed {
|
||||
logic [1:0] CE;
|
||||
word_t BadVAddr;
|
||||
logic Delay;
|
||||
logic OFA;
|
||||
|
||||
logic [4:0] RS;
|
||||
logic [4:0] RT;
|
||||
@ -391,7 +394,14 @@ typedef struct packed {
|
||||
|
||||
word_t ALUOut;
|
||||
|
||||
word_t imm;
|
||||
logic [4:0] sa;
|
||||
|
||||
ECtrl_t ECtrl;
|
||||
word_t ALUOut2;
|
||||
|
||||
MCtrl0_t MCtrl;
|
||||
logic MCtrl_ALU1; // critical
|
||||
word_t RDataW;
|
||||
|
||||
logic [4:0] RD;
|
||||
|
@ -1,4 +1,4 @@
|
||||
with open('mctrl1.txt') as f:
|
||||
with open('global.txt') as f:
|
||||
lines = f.readlines()
|
||||
title = lines[0].split()
|
||||
items = [x.split() for x in lines[1:]]
|
||||
|
@ -6,8 +6,8 @@
|
||||
32'b000000???????????????00000000100 SL ? RS 1 1 RT 0 0 ? ? ? // SLLV
|
||||
32'b000000???????????????00000000110 SR 0 RS 1 1 RT 0 0 ? ? ? // SRLV
|
||||
32'b000000???????????????00000000111 SR 1 RS 1 1 RT 0 0 ? ? ? // SRAV
|
||||
32'b000000???????????????00000001010 MOVA ? RS 1 1 ? ? ? ? ? ? // MOVZ
|
||||
32'b000000???????????????00000001011 MOVA ? RS 1 1 ? ? ? ? ? ? // MOVN
|
||||
32'b000000???????????????00000001010 MOV 0 RS 1 1 RT 0 0 ? ? ? // MOVZ
|
||||
32'b000000???????????????00000001011 MOV 1 RS 1 1 RT 0 0 ? ? ? // MOVN
|
||||
32'b000000?????000000000000000001000 ? ? ? ? ? ? ? ? ? ? ? // JR
|
||||
32'b000000?????00000?????00000001001 ADD 0 PC 0 1 EIGHT 0 1 ? ? ? // JALR
|
||||
32'b000000????????????????????001100 ? ? ? ? ? ? ? ? ? ? ? // SYSCALL
|
||||
|
176
tools/global.txt
176
tools/global.txt
@ -1,88 +1,88 @@
|
||||
////-------------------------------- SYSCALL BREAK ERET OFA ES ET DS DT DP0 DP1
|
||||
32'b000000000000000000000?????001111 0 0 0 0 ? ? ? ? 1 1 // SYNC (NOP)
|
||||
32'b00000000000???????????????000000 0 0 0 0 0 1 0 0 1 1 // SLL
|
||||
32'b00000000000???????????????000010 0 0 0 0 0 1 0 0 1 1 // SRL
|
||||
32'b00000000000???????????????000011 0 0 0 0 0 1 0 0 1 1 // SRA
|
||||
32'b000000???????????????00000000100 0 0 0 0 1 1 0 0 1 1 // SLLV
|
||||
32'b000000???????????????00000000110 0 0 0 0 1 1 0 0 1 1 // SRLV
|
||||
32'b000000???????????????00000000111 0 0 0 0 1 1 0 0 1 1 // SRAV
|
||||
32'b000000???????????????00000001010 0 0 0 0 1 0 0 1 1 1 // MOVZ
|
||||
32'b000000???????????????00000001011 0 0 0 0 1 0 0 1 1 1 // MOVN
|
||||
32'b000000?????000000000000000001000 0 0 0 0 0 0 1 0 1 1 // JR
|
||||
32'b000000?????00000?????00000001001 0 0 0 0 0 0 1 0 1 1 // JALR
|
||||
32'b000000????????????????????001100 1 0 0 0 0 0 0 0 1 1 // SYSCALL
|
||||
32'b000000????????????????????001101 0 1 0 0 0 0 0 0 1 1 // BREAK
|
||||
32'b0000000000000000?????00000010000 0 0 0 0 0 0 0 0 1 0 // MFHI
|
||||
32'b000000?????000000000000000010001 0 0 0 0 0 0 0 0 1 0 // MTHI
|
||||
32'b0000000000000000?????00000010010 0 0 0 0 0 0 0 0 1 0 // MFLO
|
||||
32'b000000?????000000000000000010011 0 0 0 0 0 0 0 0 1 0 // MTLO
|
||||
32'b000000??????????0000000000011000 0 0 0 0 1 1 0 0 1 0 // MULT
|
||||
32'b000000??????????0000000000011001 0 0 0 0 1 1 0 0 1 0 // MULTU
|
||||
32'b000000??????????0000000000011010 0 0 0 0 1 1 0 0 1 0 // DIV
|
||||
32'b000000??????????0000000000011011 0 0 0 0 1 1 0 0 1 0 // DIVU
|
||||
32'b000000???????????????00000100000 0 0 0 1 1 1 0 0 1 1 // ADD
|
||||
32'b000000???????????????00000100001 0 0 0 0 1 1 0 0 1 1 // ADDU
|
||||
32'b000000???????????????00000100010 0 0 0 1 1 1 0 0 1 1 // SUB
|
||||
32'b000000???????????????00000100011 0 0 0 0 1 1 0 0 1 1 // SUBU
|
||||
32'b000000???????????????00000100100 0 0 0 0 1 1 0 0 1 1 // AND
|
||||
32'b000000???????????????00000100101 0 0 0 0 1 1 0 0 1 1 // OR
|
||||
32'b000000???????????????00000100110 0 0 0 0 1 1 0 0 1 1 // XOR
|
||||
32'b000000???????????????00000100111 0 0 0 0 1 1 0 0 1 1 // NOR
|
||||
32'b000000???????????????00000101010 0 0 0 0 1 1 0 0 1 1 // SLT
|
||||
32'b000000???????????????00000101011 0 0 0 0 1 1 0 0 1 1 // SLTU
|
||||
32'b000000????????????????????110000 0 0 0 0 1 1 0 0 0 1 // TGE
|
||||
32'b000000????????????????????110001 0 0 0 0 1 1 0 0 0 1 // TGEU
|
||||
32'b000000????????????????????110010 0 0 0 0 1 1 0 0 0 1 // TLT
|
||||
32'b000000????????????????????110011 0 0 0 0 1 1 0 0 0 1 // TLTU
|
||||
32'b000000????????????????????110100 0 0 0 0 1 1 0 0 0 1 // TEQ
|
||||
32'b000000????????????????????110110 0 0 0 0 1 1 0 0 0 1 // TNE
|
||||
32'b000001?????00000???????????????? 0 0 0 0 0 0 1 0 1 1 // BLTZ
|
||||
32'b000001?????00001???????????????? 0 0 0 0 0 0 1 0 1 1 // BGEZ
|
||||
32'b000001?????01000???????????????? 0 0 0 0 1 0 0 0 0 1 // TGEI
|
||||
32'b000001?????01001???????????????? 0 0 0 0 1 0 0 0 0 1 // TGEIU
|
||||
32'b000001?????01010???????????????? 0 0 0 0 1 0 0 0 0 1 // TLTI
|
||||
32'b000001?????01011???????????????? 0 0 0 0 1 0 0 0 0 1 // TLTIU
|
||||
32'b000001?????01110???????????????? 0 0 0 0 1 0 0 0 0 1 // TNEI
|
||||
32'b000001?????01100???????????????? 0 0 0 0 1 0 0 0 0 1 // TEQI
|
||||
32'b000001?????10000???????????????? 0 0 0 0 0 0 1 0 1 1 // BLTZAL
|
||||
32'b000001?????10001???????????????? 0 0 0 0 0 0 1 0 1 1 // BGEZAL
|
||||
32'b000010?????????????????????????? 0 0 0 0 0 0 0 0 1 1 // J
|
||||
32'b000011?????????????????????????? 0 0 0 0 0 0 0 0 1 1 // JAL
|
||||
32'b000100?????????????????????????? 0 0 0 0 0 0 1 1 1 1 // BEQ
|
||||
32'b000101?????????????????????????? 0 0 0 0 0 0 1 1 1 1 // BNE
|
||||
32'b000110?????00000???????????????? 0 0 0 0 0 0 1 0 1 1 // BLEZ
|
||||
32'b000111?????00000???????????????? 0 0 0 0 0 0 1 0 1 1 // BGTZ
|
||||
32'b001000?????????????????????????? 0 0 0 1 1 0 0 0 1 1 // ADDI
|
||||
32'b001001?????????????????????????? 0 0 0 0 1 0 0 0 1 1 // ADDIU
|
||||
32'b001010?????????????????????????? 0 0 0 0 1 0 0 0 1 1 // SLTI
|
||||
32'b001011?????????????????????????? 0 0 0 0 1 0 0 0 1 1 // SLTIU
|
||||
32'b001100?????????????????????????? 0 0 0 0 1 0 0 0 1 1 // ANDI
|
||||
32'b001101?????????????????????????? 0 0 0 0 1 0 0 0 1 1 // ORI
|
||||
32'b001110?????????????????????????? 0 0 0 0 1 0 0 0 1 1 // XORI
|
||||
32'b00111100000????????????????????? 0 0 0 0 1 0 0 0 1 1 // LUI
|
||||
32'b01000000000??????????00000000??? 0 0 0 0 0 0 0 0 1 0 // MFC0
|
||||
32'b01000000100??????????00000000??? 0 0 0 0 0 0 0 0 1 0 // MTC0
|
||||
32'b01000010000000000000000000000001 0 0 0 0 0 0 0 0 0 1 // TLBR
|
||||
32'b01000010000000000000000000000010 0 0 0 0 0 0 0 0 0 1 // TLBWI
|
||||
32'b01000010000000000000000000000110 0 0 0 0 0 0 0 0 0 1 // TLBWR
|
||||
32'b01000010000000000000000000001000 0 0 0 0 0 0 0 0 0 1 // TLBP
|
||||
32'b01000010000000000000000000011000 0 0 1 0 0 0 0 0 1 1 // ERET
|
||||
32'b011100??????????0000000000000000 0 0 0 0 1 1 0 0 1 0 // MADD
|
||||
32'b011100??????????0000000000000001 0 0 0 0 1 1 0 0 1 0 // MADDU
|
||||
32'b011100??????????0000000000000100 0 0 0 0 1 1 0 0 1 0 // MSUB
|
||||
32'b011100??????????0000000000000101 0 0 0 0 1 1 0 0 1 0 // MSUBU
|
||||
32'b011100???????????????00000000010 0 0 0 0 1 1 0 0 1 0 // MUL
|
||||
32'b100000?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // LB
|
||||
32'b100001?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // LH
|
||||
32'b100010?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // LWL
|
||||
32'b100011?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // LW
|
||||
32'b100100?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // LBU
|
||||
32'b100101?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // LHU
|
||||
32'b100110?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // LWR
|
||||
32'b101000?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // SB
|
||||
32'b101001?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // SH
|
||||
32'b101010?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // SWL
|
||||
32'b101011?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // SW
|
||||
32'b101110?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // SWR
|
||||
32'b101111?????????????????????????? 0 0 0 0 1 0 0 0 0 1 // CACHE
|
||||
32'b110011?????????????????????????? 0 0 0 0 0 0 0 0 1 1 // PREF (NOP)
|
||||
////-------------------------------- SYSCALL BREAK ERET OFA ES ET ES2 ET2 DS DT DP0 DP1
|
||||
32'b000000000000000000000?????001111 0 0 0 0 0 0 0 0 0 0 1 1 // SYNC (NOP)
|
||||
32'b00000000000???????????????000000 0 0 0 0 0 0 0 1 0 0 1 1 // SLL
|
||||
32'b00000000000???????????????000010 0 0 0 0 0 0 0 1 0 0 1 1 // SRL
|
||||
32'b00000000000???????????????000011 0 0 0 0 0 0 0 1 0 0 1 1 // SRA
|
||||
32'b000000???????????????00000000100 0 0 0 0 0 0 1 1 0 0 1 1 // SLLV
|
||||
32'b000000???????????????00000000110 0 0 0 0 0 0 1 1 0 0 1 1 // SRLV
|
||||
32'b000000???????????????00000000111 0 0 0 0 0 0 1 1 0 0 1 1 // SRAV
|
||||
32'b000000???????????????00000001010 0 0 0 0 1 1 ? ? 0 0 1 1 // MOVZ
|
||||
32'b000000???????????????00000001011 0 0 0 0 1 1 ? ? 0 0 1 1 // MOVN
|
||||
32'b000000?????000000000000000001000 0 0 0 0 0 0 0 0 1 0 1 1 // JR
|
||||
32'b000000?????00000?????00000001001 0 0 0 0 0 0 0 0 1 0 1 1 // JALR
|
||||
32'b000000????????????????????001100 1 0 0 0 0 0 0 0 0 0 1 1 // SYSCALL
|
||||
32'b000000????????????????????001101 0 1 0 0 0 0 0 0 0 0 1 1 // BREAK
|
||||
32'b0000000000000000?????00000010000 0 0 0 0 0 0 0 0 0 0 1 0 // MFHI
|
||||
32'b000000?????000000000000000010001 0 0 0 0 0 0 0 0 0 0 1 0 // MTHI
|
||||
32'b0000000000000000?????00000010010 0 0 0 0 0 0 0 0 0 0 1 0 // MFLO
|
||||
32'b000000?????000000000000000010011 0 0 0 0 0 0 0 0 0 0 1 0 // MTLO
|
||||
32'b000000??????????0000000000011000 0 0 0 0 1 1 ? ? 0 0 1 0 // MULT
|
||||
32'b000000??????????0000000000011001 0 0 0 0 1 1 ? ? 0 0 1 0 // MULTU
|
||||
32'b000000??????????0000000000011010 0 0 0 0 1 1 ? ? 0 0 1 0 // DIV
|
||||
32'b000000??????????0000000000011011 0 0 0 0 1 1 ? ? 0 0 1 0 // DIVU
|
||||
32'b000000???????????????00000100000 0 0 0 1 0 0 1 1 0 0 1 1 // ADD
|
||||
32'b000000???????????????00000100001 0 0 0 0 0 0 1 1 0 0 1 1 // ADDU
|
||||
32'b000000???????????????00000100010 0 0 0 1 0 0 1 1 0 0 1 1 // SUB
|
||||
32'b000000???????????????00000100011 0 0 0 0 0 0 1 1 0 0 1 1 // SUBU
|
||||
32'b000000???????????????00000100100 0 0 0 0 0 0 1 1 0 0 1 1 // AND
|
||||
32'b000000???????????????00000100101 0 0 0 0 0 0 1 1 0 0 1 1 // OR
|
||||
32'b000000???????????????00000100110 0 0 0 0 0 0 1 1 0 0 1 1 // XOR
|
||||
32'b000000???????????????00000100111 0 0 0 0 0 0 1 1 0 0 1 1 // NOR
|
||||
32'b000000???????????????00000101010 0 0 0 0 0 0 1 1 0 0 1 1 // SLT
|
||||
32'b000000???????????????00000101011 0 0 0 0 0 0 1 1 0 0 1 1 // SLTU
|
||||
32'b000000????????????????????110000 0 0 0 0 1 1 ? ? 0 0 0 1 // TGE
|
||||
32'b000000????????????????????110001 0 0 0 0 1 1 ? ? 0 0 0 1 // TGEU
|
||||
32'b000000????????????????????110010 0 0 0 0 1 1 ? ? 0 0 0 1 // TLT
|
||||
32'b000000????????????????????110011 0 0 0 0 1 1 ? ? 0 0 0 1 // TLTU
|
||||
32'b000000????????????????????110100 0 0 0 0 1 1 ? ? 0 0 0 1 // TEQ
|
||||
32'b000000????????????????????110110 0 0 0 0 1 1 ? ? 0 0 0 1 // TNE
|
||||
32'b000001?????00000???????????????? 0 0 0 0 0 0 0 0 1 0 1 1 // BLTZ
|
||||
32'b000001?????00001???????????????? 0 0 0 0 0 0 0 0 1 0 1 1 // BGEZ
|
||||
32'b000001?????01000???????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // TGEI
|
||||
32'b000001?????01001???????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // TGEIU
|
||||
32'b000001?????01010???????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // TLTI
|
||||
32'b000001?????01011???????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // TLTIU
|
||||
32'b000001?????01110???????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // TNEI
|
||||
32'b000001?????01100???????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // TEQI
|
||||
32'b000001?????10000???????????????? 0 0 0 0 0 0 0 0 1 0 1 1 // BLTZAL
|
||||
32'b000001?????10001???????????????? 0 0 0 0 0 0 0 0 1 0 1 1 // BGEZAL
|
||||
32'b000010?????????????????????????? 0 0 0 0 0 0 0 0 0 0 1 1 // J
|
||||
32'b000011?????????????????????????? 0 0 0 0 0 0 0 0 0 0 1 1 // JAL
|
||||
32'b000100?????????????????????????? 0 0 0 0 0 0 0 0 1 1 1 1 // BEQ
|
||||
32'b000101?????????????????????????? 0 0 0 0 0 0 0 0 1 1 1 1 // BNE
|
||||
32'b000110?????00000???????????????? 0 0 0 0 0 0 0 0 1 0 1 1 // BLEZ
|
||||
32'b000111?????00000???????????????? 0 0 0 0 0 0 0 0 1 0 1 1 // BGTZ
|
||||
32'b001000?????????????????????????? 0 0 0 1 0 0 1 0 0 0 1 1 // ADDI
|
||||
32'b001001?????????????????????????? 0 0 0 0 0 0 1 0 0 0 1 1 // ADDIU
|
||||
32'b001010?????????????????????????? 0 0 0 0 0 0 1 0 0 0 1 1 // SLTI
|
||||
32'b001011?????????????????????????? 0 0 0 0 0 0 1 0 0 0 1 1 // SLTIU
|
||||
32'b001100?????????????????????????? 0 0 0 0 0 0 1 0 0 0 1 1 // ANDI
|
||||
32'b001101?????????????????????????? 0 0 0 0 0 0 1 0 0 0 1 1 // ORI
|
||||
32'b001110?????????????????????????? 0 0 0 0 0 0 1 0 0 0 1 1 // XORI
|
||||
32'b00111100000????????????????????? 0 0 0 0 0 0 1 0 0 0 1 1 // LUI
|
||||
32'b01000000000??????????00000000??? 0 0 0 0 0 0 0 0 0 0 1 0 // MFC0
|
||||
32'b01000000100??????????00000000??? 0 0 0 0 0 0 0 0 0 0 1 0 // MTC0
|
||||
32'b01000010000000000000000000000001 0 0 0 0 0 0 0 0 0 0 0 1 // TLBR
|
||||
32'b01000010000000000000000000000010 0 0 0 0 0 0 0 0 0 0 0 1 // TLBWI
|
||||
32'b01000010000000000000000000000110 0 0 0 0 0 0 0 0 0 0 0 1 // TLBWR
|
||||
32'b01000010000000000000000000001000 0 0 0 0 0 0 0 0 0 0 0 1 // TLBP
|
||||
32'b01000010000000000000000000011000 0 0 1 0 0 0 0 0 0 0 1 1 // ERET
|
||||
32'b011100??????????0000000000000000 0 0 0 0 1 1 ? ? 0 0 1 0 // MADD
|
||||
32'b011100??????????0000000000000001 0 0 0 0 1 1 ? ? 0 0 1 0 // MADDU
|
||||
32'b011100??????????0000000000000100 0 0 0 0 1 1 ? ? 0 0 1 0 // MSUB
|
||||
32'b011100??????????0000000000000101 0 0 0 0 1 1 ? ? 0 0 1 0 // MSUBU
|
||||
32'b011100???????????????00000000010 0 0 0 0 1 1 ? ? 0 0 1 0 // MUL
|
||||
32'b100000?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // LB
|
||||
32'b100001?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // LH
|
||||
32'b100010?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // LWL
|
||||
32'b100011?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // LW
|
||||
32'b100100?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // LBU
|
||||
32'b100101?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // LHU
|
||||
32'b100110?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // LWR
|
||||
32'b101000?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // SB
|
||||
32'b101001?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // SH
|
||||
32'b101010?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // SWL
|
||||
32'b101011?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // SW
|
||||
32'b101110?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // SWR
|
||||
32'b101111?????????????????????????? 0 0 0 0 1 0 ? 0 0 0 0 1 // CACHE
|
||||
32'b110011?????????????????????????? 0 0 0 0 0 0 0 0 0 0 1 1 // PREF (NOP)
|
@ -1,88 +0,0 @@
|
||||
////-------------------------------- PRV
|
||||
32'b000000000000000000000?????001111 0 // SYNC (NOP)
|
||||
32'b00000000000???????????????000000 0 // SLL
|
||||
32'b00000000000???????????????000010 0 // SRL
|
||||
32'b00000000000???????????????000011 0 // SRA
|
||||
32'b000000???????????????00000000100 0 // SLLV
|
||||
32'b000000???????????????00000000110 0 // SRLV
|
||||
32'b000000???????????????00000000111 0 // SRAV
|
||||
32'b000000???????????????00000001010 0 // MOVZ
|
||||
32'b000000???????????????00000001011 0 // MOVN
|
||||
32'b000000?????000000000000000001000 0 // JR
|
||||
32'b000000?????00000?????00000001001 0 // JALR
|
||||
32'b000000????????????????????001100 0 // SYSCALL
|
||||
32'b000000????????????????????001101 0 // BREAK
|
||||
32'b0000000000000000?????00000010000 0 // MFHI
|
||||
32'b000000?????000000000000000010001 0 // MTHI
|
||||
32'b0000000000000000?????00000010010 0 // MFLO
|
||||
32'b000000?????000000000000000010011 0 // MTLO
|
||||
32'b000000??????????0000000000011000 0 // MULT
|
||||
32'b000000??????????0000000000011001 0 // MULTU
|
||||
32'b000000??????????0000000000011010 0 // DIV
|
||||
32'b000000??????????0000000000011011 0 // DIVU
|
||||
32'b000000???????????????00000100000 0 // ADD
|
||||
32'b000000???????????????00000100001 0 // ADDU
|
||||
32'b000000???????????????00000100010 0 // SUB
|
||||
32'b000000???????????????00000100011 0 // SUBU
|
||||
32'b000000???????????????00000100100 0 // AND
|
||||
32'b000000???????????????00000100101 0 // OR
|
||||
32'b000000???????????????00000100110 0 // XOR
|
||||
32'b000000???????????????00000100111 0 // NOR
|
||||
32'b000000???????????????00000101010 0 // SLT
|
||||
32'b000000???????????????00000101011 0 // SLTU
|
||||
32'b000000????????????????????110000 0 // TGE
|
||||
32'b000000????????????????????110001 0 // TGEU
|
||||
32'b000000????????????????????110010 0 // TLT
|
||||
32'b000000????????????????????110011 0 // TLTU
|
||||
32'b000000????????????????????110100 0 // TEQ
|
||||
32'b000000????????????????????110110 0 // TNE
|
||||
32'b000001?????00000???????????????? 0 // BLTZ
|
||||
32'b000001?????00001???????????????? 0 // BGEZ
|
||||
32'b000001?????01000???????????????? 0 // TGEI
|
||||
32'b000001?????01001???????????????? 0 // TGEIU
|
||||
32'b000001?????01010???????????????? 0 // TLTI
|
||||
32'b000001?????01011???????????????? 0 // TLTIU
|
||||
32'b000001?????01110???????????????? 0 // TNEI
|
||||
32'b000001?????01100???????????????? 0 // TEQI
|
||||
32'b000001?????10000???????????????? 0 // BLTZAL
|
||||
32'b000001?????10001???????????????? 0 // BGEZAL
|
||||
32'b000010?????????????????????????? 0 // J
|
||||
32'b000011?????????????????????????? 0 // JAL
|
||||
32'b000100?????????????????????????? 0 // BEQ
|
||||
32'b000101?????????????????????????? 0 // BNE
|
||||
32'b000110?????00000???????????????? 0 // BLEZ
|
||||
32'b000111?????00000???????????????? 0 // BGTZ
|
||||
32'b001000?????????????????????????? 0 // ADDI
|
||||
32'b001001?????????????????????????? 0 // ADDIU
|
||||
32'b001010?????????????????????????? 0 // SLTI
|
||||
32'b001011?????????????????????????? 0 // SLTIU
|
||||
32'b001100?????????????????????????? 0 // ANDI
|
||||
32'b001101?????????????????????????? 0 // ORI
|
||||
32'b001110?????????????????????????? 0 // XORI
|
||||
32'b00111100000????????????????????? 0 // LUI
|
||||
32'b01000000000??????????00000000??? 1 // MFC0
|
||||
32'b01000000100??????????00000000??? 1 // MTC0
|
||||
32'b01000010000000000000000000000001 1 // TLBR
|
||||
32'b01000010000000000000000000000010 1 // TLBWI
|
||||
32'b01000010000000000000000000000110 1 // TLBWR
|
||||
32'b01000010000000000000000000001000 1 // TLBP
|
||||
32'b01000010000000000000000000011000 1 // ERET
|
||||
32'b011100??????????0000000000000000 0 // MADD
|
||||
32'b011100??????????0000000000000001 0 // MADDU
|
||||
32'b011100??????????0000000000000100 0 // MSUB
|
||||
32'b011100??????????0000000000000101 0 // MSUBU
|
||||
32'b011100???????????????00000000010 0 // MUL
|
||||
32'b100000?????????????????????????? 0 // LB
|
||||
32'b100001?????????????????????????? 0 // LH
|
||||
32'b100010?????????????????????????? 0 // LWL
|
||||
32'b100011?????????????????????????? 0 // LW
|
||||
32'b100100?????????????????????????? 0 // LBU
|
||||
32'b100101?????????????????????????? 0 // LHU
|
||||
32'b100110?????????????????????????? 0 // LWR
|
||||
32'b101000?????????????????????????? 0 // SB
|
||||
32'b101001?????????????????????????? 0 // SH
|
||||
32'b101010?????????????????????????? 0 // SWL
|
||||
32'b101011?????????????????????????? 0 // SW
|
||||
32'b101110?????????????????????????? 0 // SWR
|
||||
32'b101111?????????????????????????? 0 // CACHE
|
||||
32'b110011?????????????????????????? 0 // PREF (NOP)
|
176
tools/wctrl.txt
176
tools/wctrl.txt
@ -1,88 +1,88 @@
|
||||
////-------------------------------- MOV RW RD RD1 RD0
|
||||
32'b000000000000000000000?????001111 0 0 ? ? ? // SYNC (NOP)
|
||||
32'b00000000000???????????????000000 0 1 RD 0 0 // SLL
|
||||
32'b00000000000???????????????000010 0 1 RD 0 0 // SRL
|
||||
32'b00000000000???????????????000011 0 1 RD 0 0 // SRA
|
||||
32'b000000???????????????00000000100 0 1 RD 0 0 // SLLV
|
||||
32'b000000???????????????00000000110 0 1 RD 0 0 // SRLV
|
||||
32'b000000???????????????00000000111 0 1 RD 0 0 // SRAV
|
||||
32'b000000???????????????00000001010 1 1 RD 0 0 // MOVZ
|
||||
32'b000000???????????????00000001011 1 1 RD 0 0 // MOVN
|
||||
32'b000000?????000000000000000001000 0 0 ? ? ? // JR
|
||||
32'b000000?????00000?????00000001001 0 1 RD 0 0 // JALR
|
||||
32'b000000????????????????????001100 0 0 ? ? ? // SYSCALL
|
||||
32'b000000????????????????????001101 0 0 ? ? ? // BREAK
|
||||
32'b0000000000000000?????00000010000 0 1 RD 0 0 // MFHI
|
||||
32'b000000?????000000000000000010001 0 0 ? ? ? // MTHI
|
||||
32'b0000000000000000?????00000010010 0 1 RD 0 0 // MFLO
|
||||
32'b000000?????000000000000000010011 0 0 ? ? ? // MTLO
|
||||
32'b000000??????????0000000000011000 0 0 ? ? ? // MULT
|
||||
32'b000000??????????0000000000011001 0 0 ? ? ? // MULTU
|
||||
32'b000000??????????0000000000011010 0 0 ? ? ? // DIV
|
||||
32'b000000??????????0000000000011011 0 0 ? ? ? // DIVU
|
||||
32'b000000???????????????00000100000 0 1 RD 0 0 // ADD
|
||||
32'b000000???????????????00000100001 0 1 RD 0 0 // ADDU
|
||||
32'b000000???????????????00000100010 0 1 RD 0 0 // SUB
|
||||
32'b000000???????????????00000100011 0 1 RD 0 0 // SUBU
|
||||
32'b000000???????????????00000100100 0 1 RD 0 0 // AND
|
||||
32'b000000???????????????00000100101 0 1 RD 0 0 // OR
|
||||
32'b000000???????????????00000100110 0 1 RD 0 0 // XOR
|
||||
32'b000000???????????????00000100111 0 1 RD 0 0 // NOR
|
||||
32'b000000???????????????00000101010 0 1 RD 0 0 // SLT
|
||||
32'b000000???????????????00000101011 0 1 RD 0 0 // SLTU
|
||||
32'b000000????????????????????110000 0 0 ? ? ? // TGE
|
||||
32'b000000????????????????????110001 0 0 ? ? ? // TGEU
|
||||
32'b000000????????????????????110010 0 0 ? ? ? // TLT
|
||||
32'b000000????????????????????110011 0 0 ? ? ? // TLTU
|
||||
32'b000000????????????????????110100 0 0 ? ? ? // TEQ
|
||||
32'b000000????????????????????110110 0 0 ? ? ? // TNE
|
||||
32'b000001?????00000???????????????? 0 0 ? ? ? // BLTZ
|
||||
32'b000001?????00001???????????????? 0 0 ? ? ? // BGEZ
|
||||
32'b000001?????01000???????????????? 0 0 ? ? ? // TGEI
|
||||
32'b000001?????01001???????????????? 0 0 ? ? ? // TGEIU
|
||||
32'b000001?????01010???????????????? 0 0 ? ? ? // TLTI
|
||||
32'b000001?????01011???????????????? 0 0 ? ? ? // TLTIU
|
||||
32'b000001?????01110???????????????? 0 0 ? ? ? // TNEI
|
||||
32'b000001?????01100???????????????? 0 0 ? ? ? // TEQI
|
||||
32'b000001?????10000???????????????? 0 1 31 0 1 // BLTZAL
|
||||
32'b000001?????10001???????????????? 0 1 31 0 1 // BGEZAL
|
||||
32'b000010?????????????????????????? 0 0 ? ? ? // J
|
||||
32'b000011?????????????????????????? 0 1 31 0 1 // JAL
|
||||
32'b000100?????????????????????????? 0 0 ? ? ? // BEQ
|
||||
32'b000101?????????????????????????? 0 0 ? ? ? // BNE
|
||||
32'b000110?????00000???????????????? 0 0 ? ? ? // BLEZ
|
||||
32'b000111?????00000???????????????? 0 0 ? ? ? // BGTZ
|
||||
32'b001000?????????????????????????? 0 1 RT 1 ? // ADDI
|
||||
32'b001001?????????????????????????? 0 1 RT 1 ? // ADDIU
|
||||
32'b001010?????????????????????????? 0 1 RT 1 ? // SLTI
|
||||
32'b001011?????????????????????????? 0 1 RT 1 ? // SLTIU
|
||||
32'b001100?????????????????????????? 0 1 RT 1 ? // ANDI
|
||||
32'b001101?????????????????????????? 0 1 RT 1 ? // ORI
|
||||
32'b001110?????????????????????????? 0 1 RT 1 ? // XORI
|
||||
32'b00111100000????????????????????? 0 1 RT 1 ? // LUI
|
||||
32'b01000000000??????????00000000??? 0 1 RT 1 ? // MFC0
|
||||
32'b01000000100??????????00000000??? 0 0 ? ? ? // MTC0
|
||||
32'b01000010000000000000000000000001 0 0 ? ? ? // TLBR
|
||||
32'b01000010000000000000000000000010 0 0 ? ? ? // TLBWI
|
||||
32'b01000010000000000000000000000110 0 0 ? ? ? // TLBWR
|
||||
32'b01000010000000000000000000001000 0 0 ? ? ? // TLBP
|
||||
32'b01000010000000000000000000011000 0 0 ? ? ? // ERET
|
||||
32'b011100??????????0000000000000000 0 0 ? ? ? // MADD
|
||||
32'b011100??????????0000000000000001 0 0 ? ? ? // MADDU
|
||||
32'b011100??????????0000000000000100 0 0 ? ? ? // MSUB
|
||||
32'b011100??????????0000000000000101 0 0 ? ? ? // MSUBU
|
||||
32'b011100???????????????00000000010 0 1 RD 0 0 // MUL
|
||||
32'b100000?????????????????????????? 0 1 RT 1 ? // LB
|
||||
32'b100001?????????????????????????? 0 1 RT 1 ? // LH
|
||||
32'b100010?????????????????????????? 0 1 RT 1 ? // LWL
|
||||
32'b100011?????????????????????????? 0 1 RT 1 ? // LW
|
||||
32'b100100?????????????????????????? 0 1 RT 1 ? // LBU
|
||||
32'b100101?????????????????????????? 0 1 RT 1 ? // LHU
|
||||
32'b100110?????????????????????????? 0 1 RT 1 ? // LWR
|
||||
32'b101000?????????????????????????? 0 0 ? ? ? // SB
|
||||
32'b101001?????????????????????????? 0 0 ? ? ? // SH
|
||||
32'b101010?????????????????????????? 0 0 ? ? ? // SWL
|
||||
32'b101011?????????????????????????? 0 0 ? ? ? // SW
|
||||
32'b101110?????????????????????????? 0 0 ? ? ? // SWR
|
||||
32'b101111?????????????????????????? 0 0 ? ? ? // CACHE
|
||||
32'b110011?????????????????????????? 0 0 ? ? ? // PREF (NOP)
|
||||
////-------------------------------- RW RD RD1 RD0
|
||||
32'b000000000000000000000?????001111 0 ? ? ? // SYNC (NOP)
|
||||
32'b00000000000???????????????000000 1 RD 0 0 // SLL
|
||||
32'b00000000000???????????????000010 1 RD 0 0 // SRL
|
||||
32'b00000000000???????????????000011 1 RD 0 0 // SRA
|
||||
32'b000000???????????????00000000100 1 RD 0 0 // SLLV
|
||||
32'b000000???????????????00000000110 1 RD 0 0 // SRLV
|
||||
32'b000000???????????????00000000111 1 RD 0 0 // SRAV
|
||||
32'b000000???????????????00000001010 1 RD 0 0 // MOVZ
|
||||
32'b000000???????????????00000001011 1 RD 0 0 // MOVN
|
||||
32'b000000?????000000000000000001000 0 ? ? ? // JR
|
||||
32'b000000?????00000?????00000001001 1 RD 0 0 // JALR
|
||||
32'b000000????????????????????001100 0 ? ? ? // SYSCALL
|
||||
32'b000000????????????????????001101 0 ? ? ? // BREAK
|
||||
32'b0000000000000000?????00000010000 1 RD 0 0 // MFHI
|
||||
32'b000000?????000000000000000010001 0 ? ? ? // MTHI
|
||||
32'b0000000000000000?????00000010010 1 RD 0 0 // MFLO
|
||||
32'b000000?????000000000000000010011 0 ? ? ? // MTLO
|
||||
32'b000000??????????0000000000011000 0 ? ? ? // MULT
|
||||
32'b000000??????????0000000000011001 0 ? ? ? // MULTU
|
||||
32'b000000??????????0000000000011010 0 ? ? ? // DIV
|
||||
32'b000000??????????0000000000011011 0 ? ? ? // DIVU
|
||||
32'b000000???????????????00000100000 1 RD 0 0 // ADD
|
||||
32'b000000???????????????00000100001 1 RD 0 0 // ADDU
|
||||
32'b000000???????????????00000100010 1 RD 0 0 // SUB
|
||||
32'b000000???????????????00000100011 1 RD 0 0 // SUBU
|
||||
32'b000000???????????????00000100100 1 RD 0 0 // AND
|
||||
32'b000000???????????????00000100101 1 RD 0 0 // OR
|
||||
32'b000000???????????????00000100110 1 RD 0 0 // XOR
|
||||
32'b000000???????????????00000100111 1 RD 0 0 // NOR
|
||||
32'b000000???????????????00000101010 1 RD 0 0 // SLT
|
||||
32'b000000???????????????00000101011 1 RD 0 0 // SLTU
|
||||
32'b000000????????????????????110000 0 ? ? ? // TGE
|
||||
32'b000000????????????????????110001 0 ? ? ? // TGEU
|
||||
32'b000000????????????????????110010 0 ? ? ? // TLT
|
||||
32'b000000????????????????????110011 0 ? ? ? // TLTU
|
||||
32'b000000????????????????????110100 0 ? ? ? // TEQ
|
||||
32'b000000????????????????????110110 0 ? ? ? // TNE
|
||||
32'b000001?????00000???????????????? 0 ? ? ? // BLTZ
|
||||
32'b000001?????00001???????????????? 0 ? ? ? // BGEZ
|
||||
32'b000001?????01000???????????????? 0 ? ? ? // TGEI
|
||||
32'b000001?????01001???????????????? 0 ? ? ? // TGEIU
|
||||
32'b000001?????01010???????????????? 0 ? ? ? // TLTI
|
||||
32'b000001?????01011???????????????? 0 ? ? ? // TLTIU
|
||||
32'b000001?????01110???????????????? 0 ? ? ? // TNEI
|
||||
32'b000001?????01100???????????????? 0 ? ? ? // TEQI
|
||||
32'b000001?????10000???????????????? 1 31 0 1 // BLTZAL
|
||||
32'b000001?????10001???????????????? 1 31 0 1 // BGEZAL
|
||||
32'b000010?????????????????????????? 0 ? ? ? // J
|
||||
32'b000011?????????????????????????? 1 31 0 1 // JAL
|
||||
32'b000100?????????????????????????? 0 ? ? ? // BEQ
|
||||
32'b000101?????????????????????????? 0 ? ? ? // BNE
|
||||
32'b000110?????00000???????????????? 0 ? ? ? // BLEZ
|
||||
32'b000111?????00000???????????????? 0 ? ? ? // BGTZ
|
||||
32'b001000?????????????????????????? 1 RT 1 ? // ADDI
|
||||
32'b001001?????????????????????????? 1 RT 1 ? // ADDIU
|
||||
32'b001010?????????????????????????? 1 RT 1 ? // SLTI
|
||||
32'b001011?????????????????????????? 1 RT 1 ? // SLTIU
|
||||
32'b001100?????????????????????????? 1 RT 1 ? // ANDI
|
||||
32'b001101?????????????????????????? 1 RT 1 ? // ORI
|
||||
32'b001110?????????????????????????? 1 RT 1 ? // XORI
|
||||
32'b00111100000????????????????????? 1 RT 1 ? // LUI
|
||||
32'b01000000000??????????00000000??? 1 RT 1 ? // MFC0
|
||||
32'b01000000100??????????00000000??? 0 ? ? ? // MTC0
|
||||
32'b01000010000000000000000000000001 0 ? ? ? // TLBR
|
||||
32'b01000010000000000000000000000010 0 ? ? ? // TLBWI
|
||||
32'b01000010000000000000000000000110 0 ? ? ? // TLBWR
|
||||
32'b01000010000000000000000000001000 0 ? ? ? // TLBP
|
||||
32'b01000010000000000000000000011000 0 ? ? ? // ERET
|
||||
32'b011100??????????0000000000000000 0 ? ? ? // MADD
|
||||
32'b011100??????????0000000000000001 0 ? ? ? // MADDU
|
||||
32'b011100??????????0000000000000100 0 ? ? ? // MSUB
|
||||
32'b011100??????????0000000000000101 0 ? ? ? // MSUBU
|
||||
32'b011100???????????????00000000010 1 RD 0 0 // MUL
|
||||
32'b100000?????????????????????????? 1 RT 1 ? // LB
|
||||
32'b100001?????????????????????????? 1 RT 1 ? // LH
|
||||
32'b100010?????????????????????????? 1 RT 1 ? // LWL
|
||||
32'b100011?????????????????????????? 1 RT 1 ? // LW
|
||||
32'b100100?????????????????????????? 1 RT 1 ? // LBU
|
||||
32'b100101?????????????????????????? 1 RT 1 ? // LHU
|
||||
32'b100110?????????????????????????? 1 RT 1 ? // LWR
|
||||
32'b101000?????????????????????????? 0 ? ? ? // SB
|
||||
32'b101001?????????????????????????? 0 ? ? ? // SH
|
||||
32'b101010?????????????????????????? 0 ? ? ? // SWL
|
||||
32'b101011?????????????????????????? 0 ? ? ? // SW
|
||||
32'b101110?????????????????????????? 0 ? ? ? // SWR
|
||||
32'b101111?????????????????????????? 0 ? ? ? // CACHE
|
||||
32'b110011?????????????????????????? 0 ? ? ? // PREF (NOP)
|
Loading…
Reference in New Issue
Block a user