public override StaticInstruction DecodeMachineInstruction(MachineInstruction machineInstruction)
{
switch (machineInstruction[BitField.OPCODE_HI]) {
case 0x0:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x1:
switch (machineInstruction[BitField.MOVCI]) {
case 0x0:
return new FailUnimplemented ("Movf", machineInstruction);
case 0x1:
return new FailUnimplemented ("Movt", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x0:
switch (machineInstruction[BitField.RS]) {
case 0x0:
switch (machineInstruction[BitField.RT_RD]) {
case 0x0:
switch (machineInstruction[BitField.SA]) {
case 0x1:
return new FailUnimplemented ("Ssnop", machineInstruction);
case 0x3:
return new FailUnimplemented ("Ehb", machineInstruction);
default:
return new Nop (machineInstruction);
}
default:
return new Sll (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.RS_SRL]) {
case 0x0:
switch (machineInstruction[BitField.SRL]) {
case 0x0:
return new Srl (machineInstruction);
case 0x1:
return new FailUnimplemented ("Rotr", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.RS]) {
case 0x0:
return new Sra (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x4:
return new Sllv (machineInstruction);
case 0x6:
switch (machineInstruction[BitField.SRLV]) {
case 0x0:
return new Srlv (machineInstruction);
case 0x1:
return new FailUnimplemented ("Rotrv", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x7:
return new Srav (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
switch (machineInstruction[BitField.HINT]) {
case 0x1:
return new FailUnimplemented ("Jr_hb", machineInstruction);
default:
return new Jr (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.HINT]) {
case 0x1:
return new FailUnimplemented ("Jalr_hb", machineInstruction);
default:
return new Jalr (machineInstruction);
}
case 0x2:
return new FailUnimplemented ("Movz", machineInstruction);
case 0x3:
return new FailUnimplemented ("Movn", machineInstruction);
case 0x4:
return new Syscall (machineInstruction);
case 0x7:
return new FailUnimplemented ("Sync", machineInstruction);
case 0x5:
return new FailUnimplemented ("Break", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new Mfhi (machineInstruction);
case 0x1:
return new Mthi (machineInstruction);
case 0x2:
return new Mflo (machineInstruction);
case 0x3:
return new Mtlo (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new Mult (machineInstruction);
case 0x1:
return new Multu (machineInstruction);
case 0x2:
return new Div (machineInstruction);
case 0x3:
return new Divu (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x4:
switch (machineInstruction[BitField.HINT]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new Add (machineInstruction);
case 0x1:
return new Addu (machineInstruction);
case 0x2:
return new Sub (machineInstruction);
case 0x3:
return new Subu (machineInstruction);
case 0x4:
return new And (machineInstruction);
case 0x5:
return new Or (machineInstruction);
case 0x6:
return new Xor (machineInstruction);
case 0x7:
return new Nor (machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x5:
switch (machineInstruction[BitField.HINT]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x2:
return new Slt (machineInstruction);
case 0x3:
return new Sltu (machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x6:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Tge", machineInstruction);
case 0x1:
return new FailUnimplemented ("Tgeu", machineInstruction);
case 0x2:
return new FailUnimplemented ("Tlt", machineInstruction);
case 0x3:
return new FailUnimplemented ("Tltu", machineInstruction);
case 0x4:
return new FailUnimplemented ("Teq", machineInstruction);
case 0x6:
return new FailUnimplemented ("Tne", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.REGIMM_HI]) {
case 0x0:
switch (machineInstruction[BitField.REGIMM_LO]) {
case 0x0:
return new Bltz (machineInstruction);
case 0x1:
return new Bgez (machineInstruction);
case 0x2:
return new FailUnimplemented ("Bltzl", machineInstruction);
case 0x3:
return new FailUnimplemented ("Bgezl", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.REGIMM_LO]) {
case 0x0:
return new FailUnimplemented ("Tgei", machineInstruction);
case 0x1:
return new FailUnimplemented ("Tgeiu", machineInstruction);
case 0x2:
return new FailUnimplemented ("Tlti", machineInstruction);
case 0x3:
return new FailUnimplemented ("Tltiu", machineInstruction);
case 0x4:
return new FailUnimplemented ("Teqi", machineInstruction);
case 0x6:
return new FailUnimplemented ("Tnei", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.REGIMM_LO]) {
case 0x0:
return new Bltzal (machineInstruction);
case 0x1:
switch (machineInstruction[BitField.RS]) {
case 0x0:
return new Bal (machineInstruction);
default:
return new Bgezal (machineInstruction);
}
case 0x2:
return new FailUnimplemented ("Bltzall", machineInstruction);
case 0x3:
return new FailUnimplemented ("Bgezall", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.REGIMM_LO]) {
case 0x4:
return new FailUnimplemented ("Bposge32", machineInstruction);
case 0x7:
return new FailUnimplemented ("WarnUnimplemented.synci", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x2:
return new J (machineInstruction);
case 0x3:
return new Jal (machineInstruction);
case 0x4:
switch (machineInstruction[BitField.RS_RT]) {
case 0x0:
return new B (machineInstruction);
default:
return new Beq (machineInstruction);
}
case 0x5:
return new Bne (machineInstruction);
case 0x6:
return new Blez (machineInstruction);
case 0x7:
return new Bgtz (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x0:
return new Addi (machineInstruction);
case 0x1:
return new Addiu (machineInstruction);
case 0x2:
return new Slti (machineInstruction);
case 0x3:
switch (machineInstruction[BitField.RS_RT_INTIMM]) {
case 0xabc1:
return new FailUnimplemented ("Fail", machineInstruction);
case 0xabc2:
return new FailUnimplemented ("Pass", machineInstruction);
default:
return new Sltiu (machineInstruction);
}
case 0x4:
return new Andi (machineInstruction);
case 0x5:
return new Ori (machineInstruction);
case 0x6:
return new Xori (machineInstruction);
case 0x7:
switch (machineInstruction[BitField.RS]) {
case 0x0:
return new Lui (machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x0:
switch (machineInstruction[BitField.RS_MSB]) {
case 0x0:
switch (machineInstruction[BitField.RS]) {
case 0x0:
return new FailUnimplemented ("Mfc0", machineInstruction);
case 0x4:
return new FailUnimplemented ("Mtc0", machineInstruction);
case 0x1:
return new CP0Unimplemented ("dmfc0", machineInstruction);
case 0x5:
return new CP0Unimplemented ("dmtc0", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
case 0x8:
switch (machineInstruction[BitField.MT_U]) {
case 0x0:
return new FailUnimplemented ("Mftc0", machineInstruction);
case 0x1:
switch (machineInstruction[BitField.SEL]) {
case 0x0:
return new FailUnimplemented ("Mftgpr", machineInstruction);
case 0x1:
switch (machineInstruction[BitField.RT]) {
case 0x0:
return new FailUnimplemented ("Mftlo_dsp0", machineInstruction);
case 0x1:
return new FailUnimplemented ("Mfthi_dsp0", machineInstruction);
case 0x2:
return new FailUnimplemented ("Mftacx_dsp0", machineInstruction);
case 0x4:
return new FailUnimplemented ("Mftlo_dsp1", machineInstruction);
case 0x5:
return new FailUnimplemented ("Mfthi_dsp1", machineInstruction);
case 0x6:
return new FailUnimplemented ("Mftacx_dsp1", machineInstruction);
case 0x8:
return new FailUnimplemented ("Mftlo_dsp2", machineInstruction);
case 0x9:
return new FailUnimplemented ("Mfthi_dsp2", machineInstruction);
case 0x10:
return new FailUnimplemented ("Mftacx_dsp2", machineInstruction);
case 0x12:
return new FailUnimplemented ("Mftlo_dsp3", machineInstruction);
case 0x13:
return new FailUnimplemented ("Mfthi_dsp3", machineInstruction);
case 0x14:
return new FailUnimplemented ("Mftacx_dsp3", machineInstruction);
case 0x16:
return new FailUnimplemented ("Mftdsp", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.MT_H]) {
case 0x0:
return new FailUnimplemented ("Mftc1", machineInstruction);
case 0x1:
return new FailUnimplemented ("Mfthc1", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
return new FailUnimplemented ("Cftc1", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0xc:
switch (machineInstruction[BitField.MT_U]) {
case 0x0:
return new FailUnimplemented ("Mttc0", machineInstruction);
case 0x1:
switch (machineInstruction[BitField.SEL]) {
case 0x0:
return new FailUnimplemented ("Mttgpr", machineInstruction);
case 0x1:
switch (machineInstruction[BitField.RT]) {
case 0x0:
return new FailUnimplemented ("Mttlo_dsp0", machineInstruction);
case 0x1:
return new FailUnimplemented ("Mtthi_dsp0", machineInstruction);
case 0x2:
return new FailUnimplemented ("Mttacx_dsp0", machineInstruction);
case 0x4:
return new FailUnimplemented ("Mttlo_dsp1", machineInstruction);
case 0x5:
return new FailUnimplemented ("Mtthi_dsp1", machineInstruction);
case 0x6:
return new FailUnimplemented ("Mttacx_dsp1", machineInstruction);
case 0x8:
return new FailUnimplemented ("Mttlo_dsp2", machineInstruction);
case 0x9:
return new FailUnimplemented ("Mtthi_dsp2", machineInstruction);
case 0x10:
return new FailUnimplemented ("Mttacx_dsp2", machineInstruction);
case 0x12:
return new FailUnimplemented ("Mttlo_dsp3", machineInstruction);
case 0x13:
return new FailUnimplemented ("Mtthi_dsp3", machineInstruction);
case 0x14:
return new FailUnimplemented ("Mttacx_dsp3", machineInstruction);
case 0x16:
return new FailUnimplemented ("Mttdsp", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
case 0x2:
return new FailUnimplemented ("Mttc1", machineInstruction);
case 0x3:
return new FailUnimplemented ("Cttc1", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0xb:
switch (machineInstruction[BitField.RD]) {
case 0x0:
switch (machineInstruction[BitField.POS]) {
case 0x0:
switch (machineInstruction[BitField.SEL]) {
case 0x1:
switch (machineInstruction[BitField.SC]) {
case 0x0:
return new FailUnimplemented ("Dvpe", machineInstruction);
case 0x1:
return new FailUnimplemented ("Evpe", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.POS]) {
case 0xf:
switch (machineInstruction[BitField.SEL]) {
case 0x1:
switch (machineInstruction[BitField.SC]) {
case 0x0:
return new FailUnimplemented ("Dmt", machineInstruction);
case 0x1:
return new FailUnimplemented ("Emt", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
case 0xc:
switch (machineInstruction[BitField.POS]) {
case 0x0:
switch (machineInstruction[BitField.SC]) {
case 0x0:
return new FailUnimplemented ("Di", machineInstruction);
case 0x1:
return new FailUnimplemented ("Ei", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
case 0xa:
return new FailUnimplemented ("Rdpgpr", machineInstruction);
case 0xe:
return new FailUnimplemented ("Wrpgpr", machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.FUNC]) {
case 0x18:
return new FailUnimplemented ("Eret", machineInstruction);
case 0x1f:
return new FailUnimplemented ("Deret", machineInstruction);
case 0x1:
return new FailUnimplemented ("Tlbr", machineInstruction);
case 0x2:
return new FailUnimplemented ("Tlbwi", machineInstruction);
case 0x6:
return new FailUnimplemented ("Tlbwr", machineInstruction);
case 0x8:
return new FailUnimplemented ("Tlbp", machineInstruction);
case 0x20:
return new CP0Unimplemented ("wait", machineInstruction);
default:
return new CP0Unimplemented ("unknown", machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.RS_MSB]) {
case 0x0:
switch (machineInstruction[BitField.RS_HI]) {
case 0x0:
switch (machineInstruction[BitField.RS_LO]) {
case 0x0:
return new Mfc1 (machineInstruction);
case 0x2:
return new Cfc1 (machineInstruction);
case 0x3:
return new FailUnimplemented ("Mfhc1", machineInstruction);
case 0x4:
return new Mtc1 (machineInstruction);
case 0x6:
return new Ctc1 (machineInstruction);
case 0x7:
return new FailUnimplemented ("Mthc1", machineInstruction);
case 0x1:
return new CP1Unimplemented ("dmfc1", machineInstruction);
case 0x5:
return new CP1Unimplemented ("dmtc1", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.RS_LO]) {
case 0x0:
switch (machineInstruction[BitField.ND]) {
case 0x0:
switch (machineInstruction[BitField.TF]) {
case 0x0:
return new Bc1f (machineInstruction);
case 0x1:
return new Bc1t (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.TF]) {
case 0x0:
return new Bc1fl (machineInstruction);
case 0x1:
return new Bc1tl (machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x1:
return new CP1Unimplemented ("bc1any2", machineInstruction);
case 0x2:
return new CP1Unimplemented ("bc1any4", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.RS_HI]) {
case 0x2:
switch (machineInstruction[BitField.RS_LO]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new Add_s (machineInstruction);
case 0x1:
return new Sub_s (machineInstruction);
case 0x2:
return new Mul_s (machineInstruction);
case 0x3:
return new Div_s (machineInstruction);
case 0x4:
return new Sqrt_s (machineInstruction);
case 0x5:
return new Abs_s (machineInstruction);
case 0x7:
return new Neg_s (machineInstruction);
case 0x6:
return new Mov_s (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Round_l_s", machineInstruction);
case 0x1:
return new FailUnimplemented ("Trunc_l_s", machineInstruction);
case 0x2:
return new FailUnimplemented ("Ceil_l_s", machineInstruction);
case 0x3:
return new FailUnimplemented ("Floor_l_s", machineInstruction);
case 0x4:
return new FailUnimplemented ("Round_w_s", machineInstruction);
case 0x5:
return new FailUnimplemented ("Trunc_w_s", machineInstruction);
case 0x6:
return new FailUnimplemented ("Ceil_w_s", machineInstruction);
case 0x7:
return new FailUnimplemented ("Floor_w_s", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x1:
switch (machineInstruction[BitField.MOVCF]) {
case 0x0:
return new FailUnimplemented ("Movf_s", machineInstruction);
case 0x1:
return new FailUnimplemented ("Movt_s", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
return new FailUnimplemented ("Movz_s", machineInstruction);
case 0x3:
return new FailUnimplemented ("Movn_s", machineInstruction);
case 0x5:
return new FailUnimplemented ("Recip_s", machineInstruction);
case 0x6:
return new FailUnimplemented ("Rsqrt_s", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x3:
return new CP1Unimplemented ("unknown", machineInstruction);
case 0x4:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x1:
return new Cvt_d_s (machineInstruction);
case 0x4:
return new Cvt_w_s (machineInstruction);
case 0x5:
return new Cvt_l_s (machineInstruction);
case 0x6:
return new FailUnimplemented ("Cvt_ps_s", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x5:
return new CP1Unimplemented ("unknown", machineInstruction);
case 0x6:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new C_f_s (machineInstruction);
case 0x1:
return new C_un_s (machineInstruction);
case 0x2:
return new C_eq_s (machineInstruction);
case 0x3:
return new C_ueq_s (machineInstruction);
case 0x4:
return new C_olt_s (machineInstruction);
case 0x5:
return new C_ult_s (machineInstruction);
case 0x6:
return new C_ole_s (machineInstruction);
case 0x7:
return new C_ule_s (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new C_sf_s (machineInstruction);
case 0x1:
return new C_ngle_s (machineInstruction);
case 0x2:
return new C_seq_s (machineInstruction);
case 0x3:
return new C_ngl_s (machineInstruction);
case 0x4:
return new C_lt_s (machineInstruction);
case 0x5:
return new C_nge_s (machineInstruction);
case 0x6:
return new C_le_s (machineInstruction);
case 0x7:
return new C_ngt_s (machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new Add_d (machineInstruction);
case 0x1:
return new Sub_d (machineInstruction);
case 0x2:
return new Mul_d (machineInstruction);
case 0x3:
return new Div_d (machineInstruction);
case 0x4:
return new Sqrt_d (machineInstruction);
case 0x5:
return new Abs_d (machineInstruction);
case 0x7:
return new Neg_d (machineInstruction);
case 0x6:
return new Mov_d (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Round_l_d", machineInstruction);
case 0x1:
return new FailUnimplemented ("Trunc_l_d", machineInstruction);
case 0x2:
return new FailUnimplemented ("Ceil_l_d", machineInstruction);
case 0x3:
return new FailUnimplemented ("Floor_l_d", machineInstruction);
case 0x4:
return new FailUnimplemented ("Round_w_d", machineInstruction);
case 0x5:
return new FailUnimplemented ("Trunc_w_d", machineInstruction);
case 0x6:
return new FailUnimplemented ("Ceil_w_d", machineInstruction);
case 0x7:
return new FailUnimplemented ("Floor_w_d", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x1:
switch (machineInstruction[BitField.MOVCF]) {
case 0x0:
return new FailUnimplemented ("Movf_d", machineInstruction);
case 0x1:
return new FailUnimplemented ("Movt_d", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
return new FailUnimplemented ("Movz_d", machineInstruction);
case 0x3:
return new FailUnimplemented ("Movn_d", machineInstruction);
case 0x5:
return new FailUnimplemented ("Recip_d", machineInstruction);
case 0x6:
return new FailUnimplemented ("Rsqrt_d", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x4:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new Cvt_s_d (machineInstruction);
case 0x4:
return new Cvt_w_d (machineInstruction);
case 0x5:
return new Cvt_l_d (machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x6:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new C_f_d (machineInstruction);
case 0x1:
return new C_un_d (machineInstruction);
case 0x2:
return new C_eq_d (machineInstruction);
case 0x3:
return new C_ueq_d (machineInstruction);
case 0x4:
return new C_olt_d (machineInstruction);
case 0x5:
return new C_ult_d (machineInstruction);
case 0x6:
return new C_ole_d (machineInstruction);
case 0x7:
return new C_ule_d (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new C_sf_d (machineInstruction);
case 0x1:
return new C_ngle_d (machineInstruction);
case 0x2:
return new C_seq_d (machineInstruction);
case 0x3:
return new C_ngl_d (machineInstruction);
case 0x4:
return new C_lt_d (machineInstruction);
case 0x5:
return new C_nge_d (machineInstruction);
case 0x6:
return new C_le_d (machineInstruction);
case 0x7:
return new C_ngt_d (machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x2:
return new CP1Unimplemented ("unknown", machineInstruction);
case 0x3:
return new CP1Unimplemented ("unknown", machineInstruction);
case 0x7:
return new CP1Unimplemented ("unknown", machineInstruction);
case 0x4:
switch (machineInstruction[BitField.FUNC]) {
case 0x20:
return new Cvt_s_w (machineInstruction);
case 0x21:
return new Cvt_d_w (machineInstruction);
case 0x26:
return new CP1Unimplemented ("cvt_ps_w", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x5:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x20:
return new Cvt_s_l (machineInstruction);
case 0x21:
return new Cvt_d_l (machineInstruction);
case 0x26:
return new CP1Unimplemented ("cvt_ps_l", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x6:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Add_ps", machineInstruction);
case 0x1:
return new FailUnimplemented ("Sub_ps", machineInstruction);
case 0x2:
return new FailUnimplemented ("Mul_ps", machineInstruction);
case 0x5:
return new FailUnimplemented ("Abs_ps", machineInstruction);
case 0x6:
return new FailUnimplemented ("Mov_ps", machineInstruction);
case 0x7:
return new FailUnimplemented ("Neg_ps", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x1:
return new CP1Unimplemented ("unknown", machineInstruction);
case 0x2:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x1:
switch (machineInstruction[BitField.MOVCF]) {
case 0x0:
return new FailUnimplemented ("Movf_ps", machineInstruction);
case 0x1:
return new FailUnimplemented ("Movt_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
return new FailUnimplemented ("Movz_ps", machineInstruction);
case 0x3:
return new FailUnimplemented ("Movn_ps", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x3:
return new CP1Unimplemented ("unknown", machineInstruction);
case 0x4:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Cvt_s_pu", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x5:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Cvt_s_pl", machineInstruction);
case 0x4:
return new FailUnimplemented ("Pll", machineInstruction);
case 0x5:
return new FailUnimplemented ("Plu", machineInstruction);
case 0x6:
return new FailUnimplemented ("Pul", machineInstruction);
case 0x7:
return new FailUnimplemented ("Puu", machineInstruction);
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
case 0x6:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("C_f_ps", machineInstruction);
case 0x1:
return new FailUnimplemented ("C_un_ps", machineInstruction);
case 0x2:
return new FailUnimplemented ("C_eq_ps", machineInstruction);
case 0x3:
return new FailUnimplemented ("C_ueq_ps", machineInstruction);
case 0x4:
return new FailUnimplemented ("C_olt_ps", machineInstruction);
case 0x5:
return new FailUnimplemented ("C_ult_ps", machineInstruction);
case 0x6:
return new FailUnimplemented ("C_ole_ps", machineInstruction);
case 0x7:
return new FailUnimplemented ("C_ule_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("C_sf_ps", machineInstruction);
case 0x1:
return new FailUnimplemented ("C_ngle_ps", machineInstruction);
case 0x2:
return new FailUnimplemented ("C_seq_ps", machineInstruction);
case 0x3:
return new FailUnimplemented ("C_ngl_ps", machineInstruction);
case 0x4:
return new FailUnimplemented ("C_lt_ps", machineInstruction);
case 0x5:
return new FailUnimplemented ("C_nge_ps", machineInstruction);
case 0x6:
return new FailUnimplemented ("C_le_ps", machineInstruction);
case 0x7:
return new FailUnimplemented ("C_ngt_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new CP1Unimplemented ("unknown", machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.RS_MSB]) {
case 0x0:
switch (machineInstruction[BitField.RS_HI]) {
case 0x0:
switch (machineInstruction[BitField.RS_LO]) {
case 0x0:
return new CP2Unimplemented ("mfc2", machineInstruction);
case 0x2:
return new CP2Unimplemented ("cfc2", machineInstruction);
case 0x3:
return new CP2Unimplemented ("mfhc2", machineInstruction);
case 0x4:
return new CP2Unimplemented ("mtc2", machineInstruction);
case 0x6:
return new CP2Unimplemented ("ctc2", machineInstruction);
case 0x7:
return new CP2Unimplemented ("mftc2", machineInstruction);
default:
return new CP2Unimplemented ("unknown", machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.ND]) {
case 0x0:
switch (machineInstruction[BitField.TF]) {
case 0x0:
return new CP2Unimplemented ("bc2f", machineInstruction);
case 0x1:
return new CP2Unimplemented ("bc2t", machineInstruction);
default:
return new CP2Unimplemented ("unknown", machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.TF]) {
case 0x0:
return new CP2Unimplemented ("bc2fl", machineInstruction);
case 0x1:
return new CP2Unimplemented ("bc2tl", machineInstruction);
default:
return new CP2Unimplemented ("unknown", machineInstruction);
}
default:
return new CP2Unimplemented ("unknown", machineInstruction);
}
default:
return new CP2Unimplemented ("unknown", machineInstruction);
}
default:
return new CP2Unimplemented ("unknown", machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Lwxc1", machineInstruction);
case 0x1:
return new FailUnimplemented ("Ldxc1", machineInstruction);
case 0x5:
return new FailUnimplemented ("Luxc1", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Swxc1", machineInstruction);
case 0x1:
return new FailUnimplemented ("Sdxc1", machineInstruction);
case 0x5:
return new FailUnimplemented ("Suxc1", machineInstruction);
case 0x7:
return new FailUnimplemented ("Prefx", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x6:
return new FailUnimplemented ("Alnv_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x4:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Madd_s", machineInstruction);
case 0x1:
return new FailUnimplemented ("Madd_d", machineInstruction);
case 0x6:
return new FailUnimplemented ("Madd_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x5:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Msub_s", machineInstruction);
case 0x1:
return new FailUnimplemented ("Msub_d", machineInstruction);
case 0x6:
return new FailUnimplemented ("Msub_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x6:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Nmadd_s", machineInstruction);
case 0x1:
return new FailUnimplemented ("Nmadd_d", machineInstruction);
case 0x6:
return new FailUnimplemented ("Nmadd_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Nmsub_s", machineInstruction);
case 0x1:
return new FailUnimplemented ("Nmsub_d", machineInstruction);
case 0x6:
return new FailUnimplemented ("Nmsub_ps", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x4:
return new FailUnimplemented ("Beql", machineInstruction);
case 0x5:
return new FailUnimplemented ("Bnel", machineInstruction);
case 0x6:
return new FailUnimplemented ("Blezl", machineInstruction);
case 0x7:
return new FailUnimplemented ("Bgtzl", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x4:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x2:
return new FailUnimplemented ("Mul", machineInstruction);
case 0x0:
return new FailUnimplemented ("Madd", machineInstruction);
case 0x1:
return new FailUnimplemented ("Maddu", machineInstruction);
case 0x4:
return new FailUnimplemented ("Msub", machineInstruction);
case 0x5:
return new FailUnimplemented ("Msubu", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x4:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Clz", machineInstruction);
case 0x1:
return new FailUnimplemented ("Clo", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x7:
return new FailUnimplemented ("sdbbp", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.FUNC_HI]) {
case 0x0:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Ext", machineInstruction);
case 0x4:
return new FailUnimplemented ("Ins", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
return new FailUnimplemented ("Fork", machineInstruction);
case 0x1:
return new FailUnimplemented ("Yield", machineInstruction);
case 0x2:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Lwx", machineInstruction);
case 0x4:
return new FailUnimplemented ("Lhx", machineInstruction);
case 0x6:
return new FailUnimplemented ("Lbux", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x4:
return new FailUnimplemented ("Insv", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Addu_qb", machineInstruction);
case 0x1:
return new FailUnimplemented ("Subu_qb", machineInstruction);
case 0x4:
return new FailUnimplemented ("Addu_s_qb", machineInstruction);
case 0x5:
return new FailUnimplemented ("Subu_s_qb", machineInstruction);
case 0x6:
return new FailUnimplemented ("Muleu_s_ph_qbl", machineInstruction);
case 0x7:
return new FailUnimplemented ("Muleu_s_ph_qbr", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Addu_ph", machineInstruction);
case 0x1:
return new FailUnimplemented ("Subu_ph", machineInstruction);
case 0x2:
return new FailUnimplemented ("Addq_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Subq_ph", machineInstruction);
case 0x4:
return new FailUnimplemented ("Addu_s_ph", machineInstruction);
case 0x5:
return new FailUnimplemented ("Subu_s_ph", machineInstruction);
case 0x6:
return new FailUnimplemented ("Addq_s_ph", machineInstruction);
case 0x7:
return new FailUnimplemented ("Subq_s_ph", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Addsc", machineInstruction);
case 0x1:
return new FailUnimplemented ("Addwc", machineInstruction);
case 0x2:
return new FailUnimplemented ("Modsub", machineInstruction);
case 0x4:
return new FailUnimplemented ("Raddu_w_qb", machineInstruction);
case 0x6:
return new FailUnimplemented ("Addq_s_w", machineInstruction);
case 0x7:
return new FailUnimplemented ("Subq_s_w", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP_LO]) {
case 0x4:
return new FailUnimplemented ("Muleq_s_w_phl", machineInstruction);
case 0x5:
return new FailUnimplemented ("Muleq_s_w_phr", machineInstruction);
case 0x6:
return new FailUnimplemented ("Mulq_s_ph", machineInstruction);
case 0x7:
return new FailUnimplemented ("Mulq_rs_ph", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Cmpu_eq_qb", machineInstruction);
case 0x1:
return new FailUnimplemented ("Cmpu_lt_qb", machineInstruction);
case 0x2:
return new FailUnimplemented ("Cmpu_le_qb", machineInstruction);
case 0x3:
return new FailUnimplemented ("Pick_qb", machineInstruction);
case 0x4:
return new FailUnimplemented ("Cmpgu_eq_qb", machineInstruction);
case 0x5:
return new FailUnimplemented ("Cmpgu_lt_qb", machineInstruction);
case 0x6:
return new FailUnimplemented ("Cmpgu_le_qb", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Cmp_eq_ph", machineInstruction);
case 0x1:
return new FailUnimplemented ("Cmp_lt_ph", machineInstruction);
case 0x2:
return new FailUnimplemented ("Cmp_le_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Pick_ph", machineInstruction);
case 0x4:
return new FailUnimplemented ("Precrq_qb_ph", machineInstruction);
case 0x5:
return new FailUnimplemented ("Precr_qb_ph", machineInstruction);
case 0x6:
return new FailUnimplemented ("Packrl_ph", machineInstruction);
case 0x7:
return new FailUnimplemented ("Precrqu_s_qb_ph", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x4:
return new FailUnimplemented ("Precrq_ph_w", machineInstruction);
case 0x5:
return new FailUnimplemented ("Precrq_rs_ph_w", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Cmpgdu_eq_qb", machineInstruction);
case 0x1:
return new FailUnimplemented ("Cmpgdu_lt_qb", machineInstruction);
case 0x2:
return new FailUnimplemented ("Cmpgdu_le_qb", machineInstruction);
case 0x6:
return new FailUnimplemented ("Precr_sra_ph_w", machineInstruction);
case 0x7:
return new FailUnimplemented ("Precr_sra_r_ph_w", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x1:
return new FailUnimplemented ("Absq_s_qb", machineInstruction);
case 0x2:
return new FailUnimplemented ("Repl_qb", machineInstruction);
case 0x3:
return new FailUnimplemented ("Replv_qb", machineInstruction);
case 0x4:
return new FailUnimplemented ("Precequ_ph_qbl", machineInstruction);
case 0x5:
return new FailUnimplemented ("Precequ_ph_qbr", machineInstruction);
case 0x6:
return new FailUnimplemented ("Precequ_ph_qbla", machineInstruction);
case 0x7:
return new FailUnimplemented ("Precequ_ph_qbra", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_LO]) {
case 0x1:
return new FailUnimplemented ("Absq_s_ph", machineInstruction);
case 0x2:
return new FailUnimplemented ("Repl_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Replv_ph", machineInstruction);
case 0x4:
return new FailUnimplemented ("Preceq_w_phl", machineInstruction);
case 0x5:
return new FailUnimplemented ("Preceq_w_phr", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x1:
return new FailUnimplemented ("Absq_s_w", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP_LO]) {
case 0x3:
return new FailUnimplemented ("Bitrev", machineInstruction);
case 0x4:
return new FailUnimplemented ("Preceu_ph_qbl", machineInstruction);
case 0x5:
return new FailUnimplemented ("Preceu_ph_qbr", machineInstruction);
case 0x6:
return new FailUnimplemented ("Preceu_ph_qbla", machineInstruction);
case 0x7:
return new FailUnimplemented ("Preceu_ph_qbra", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Shll_qb", machineInstruction);
case 0x1:
return new FailUnimplemented ("Shrl_qb", machineInstruction);
case 0x2:
return new FailUnimplemented ("Shllv_qb", machineInstruction);
case 0x3:
return new FailUnimplemented ("Shrlv_qb", machineInstruction);
case 0x4:
return new FailUnimplemented ("Shra_qb", machineInstruction);
case 0x5:
return new FailUnimplemented ("Shra_r_qb", machineInstruction);
case 0x6:
return new FailUnimplemented ("Shrav_qb", machineInstruction);
case 0x7:
return new FailUnimplemented ("Shrav_r_qb", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Shll_ph", machineInstruction);
case 0x1:
return new FailUnimplemented ("Shra_ph", machineInstruction);
case 0x2:
return new FailUnimplemented ("Shllv_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Shrav_ph", machineInstruction);
case 0x4:
return new FailUnimplemented ("Shll_s_ph", machineInstruction);
case 0x5:
return new FailUnimplemented ("Shra_r_ph", machineInstruction);
case 0x6:
return new FailUnimplemented ("Shllv_s_ph", machineInstruction);
case 0x7:
return new FailUnimplemented ("Shrav_r_ph", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x4:
return new FailUnimplemented ("Shll_s_w", machineInstruction);
case 0x5:
return new FailUnimplemented ("Shra_r_w", machineInstruction);
case 0x6:
return new FailUnimplemented ("Shllv_s_w", machineInstruction);
case 0x7:
return new FailUnimplemented ("Shrav_r_w", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP_LO]) {
case 0x1:
return new FailUnimplemented ("Shrl_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Shrlv_ph", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Adduh_qb", machineInstruction);
case 0x1:
return new FailUnimplemented ("Subuh_qb", machineInstruction);
case 0x2:
return new FailUnimplemented ("Adduh_r_qb", machineInstruction);
case 0x3:
return new FailUnimplemented ("Subuh_r_qb", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Addqh_ph", machineInstruction);
case 0x1:
return new FailUnimplemented ("Subqh_ph", machineInstruction);
case 0x2:
return new FailUnimplemented ("Addqh_r_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Subqh_r_ph", machineInstruction);
case 0x4:
return new FailUnimplemented ("Mul_ph", machineInstruction);
case 0x6:
return new FailUnimplemented ("Mul_s_ph", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Addqh_w", machineInstruction);
case 0x1:
return new FailUnimplemented ("Subqh_w", machineInstruction);
case 0x2:
return new FailUnimplemented ("Addqh_r_w", machineInstruction);
case 0x3:
return new FailUnimplemented ("Subqh_r_w", machineInstruction);
case 0x6:
return new FailUnimplemented ("Mulq_s_w", machineInstruction);
case 0x7:
return new FailUnimplemented ("Mulq_rs_w", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x4:
switch (machineInstruction[BitField.SA]) {
case 0x2:
return new FailUnimplemented ("Wsbh", machineInstruction);
case 0x10:
return new FailUnimplemented ("Seb", machineInstruction);
case 0x18:
return new FailUnimplemented ("Seh", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x6:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Dpa_w_ph", machineInstruction);
case 0x1:
return new FailUnimplemented ("Dps_w_ph", machineInstruction);
case 0x2:
return new FailUnimplemented ("Mulsa_w_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Dpau_h_qbl", machineInstruction);
case 0x4:
return new FailUnimplemented ("Dpaq_s_w_ph", machineInstruction);
case 0x5:
return new FailUnimplemented ("Dpsq_s_w_ph", machineInstruction);
case 0x6:
return new FailUnimplemented ("Mulsaq_s_w_ph", machineInstruction);
case 0x7:
return new FailUnimplemented ("Dpau_h_qbr", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Dpax_w_ph", machineInstruction);
case 0x1:
return new FailUnimplemented ("Dpsx_w_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Dpsu_h_qbl", machineInstruction);
case 0x4:
return new FailUnimplemented ("Dpaq_sa_l_w", machineInstruction);
case 0x5:
return new FailUnimplemented ("Dpsq_sa_l_w", machineInstruction);
case 0x7:
return new FailUnimplemented ("Dpsu_h_qbr", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Maq_sa_w_phl", machineInstruction);
case 0x2:
return new FailUnimplemented ("Maq_sa_w_phr", machineInstruction);
case 0x4:
return new FailUnimplemented ("Maq_s_w_phl", machineInstruction);
case 0x6:
return new FailUnimplemented ("Maq_s_w_phr", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Dpaqx_s_w_ph", machineInstruction);
case 0x1:
return new FailUnimplemented ("Dpsqx_s_w_ph", machineInstruction);
case 0x2:
return new FailUnimplemented ("Dpaqx_sa_w_ph", machineInstruction);
case 0x3:
return new FailUnimplemented ("Dpsqx_sa_w_ph", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Append", machineInstruction);
case 0x1:
return new FailUnimplemented ("Prepend", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Balign", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.FUNC_LO]) {
case 0x0:
switch (machineInstruction[BitField.OP_HI]) {
case 0x0:
switch (machineInstruction[BitField.OP_LO]) {
case 0x0:
return new FailUnimplemented ("Extr_w", machineInstruction);
case 0x1:
return new FailUnimplemented ("Extrv_w", machineInstruction);
case 0x2:
return new FailUnimplemented ("Extp", machineInstruction);
case 0x3:
return new FailUnimplemented ("Extpv", machineInstruction);
case 0x4:
return new FailUnimplemented ("Extr_r_w", machineInstruction);
case 0x5:
return new FailUnimplemented ("Extrv_r_w", machineInstruction);
case 0x6:
return new FailUnimplemented ("Extr_rs_w", machineInstruction);
case 0x7:
return new FailUnimplemented ("Extrv_rs_w", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x1:
switch (machineInstruction[BitField.OP_LO]) {
case 0x2:
return new FailUnimplemented ("Extpdp", machineInstruction);
case 0x3:
return new FailUnimplemented ("Extpdpv", machineInstruction);
case 0x6:
return new FailUnimplemented ("Extr_s_h", machineInstruction);
case 0x7:
return new FailUnimplemented ("Extrv_s_h", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x2:
switch (machineInstruction[BitField.OP_LO]) {
case 0x2:
return new FailUnimplemented ("Rddsp", machineInstruction);
case 0x3:
return new FailUnimplemented ("Wrdsp", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP_LO]) {
case 0x2:
return new FailUnimplemented ("Shilo", machineInstruction);
case 0x3:
return new FailUnimplemented ("Shilov", machineInstruction);
case 0x7:
return new FailUnimplemented ("Mthlip", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x3:
switch (machineInstruction[BitField.OP]) {
case 0x0:
switch (machineInstruction[BitField.RD]) {
case 0x1d:
return new FailUnimplemented ("Rdhwr", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
case 0x4:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x0:
return new Lb (machineInstruction);
case 0x1:
return new Lh (machineInstruction);
case 0x3:
return new Lw (machineInstruction);
case 0x4:
return new Lbu (machineInstruction);
case 0x5:
return new Lhu (machineInstruction);
case 0x2:
return new Lwl (machineInstruction);
case 0x6:
return new Lwr (machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x5:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x0:
return new Sb (machineInstruction);
case 0x1:
return new Sh (machineInstruction);
case 0x3:
return new Sw (machineInstruction);
case 0x2:
return new Swl (machineInstruction);
case 0x6:
return new Swr (machineInstruction);
case 0x7:
return new FailUnimplemented ("Cache", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x6:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x0:
return new Ll (machineInstruction);
case 0x1:
return new Lwc1 (machineInstruction);
case 0x5:
return new Ldc1 (machineInstruction);
case 0x2:
return new CP2Unimplemented ("lwc2", machineInstruction);
case 0x6:
return new CP2Unimplemented ("ldc2", machineInstruction);
case 0x3:
return new FailUnimplemented ("Pref", machineInstruction);
default:
return new Unknown (machineInstruction);
}
case 0x7:
switch (machineInstruction[BitField.OPCODE_LO]) {
case 0x0:
return new Sc (machineInstruction);
case 0x1:
return new Swc1 (machineInstruction);
case 0x5:
return new Sdc1 (machineInstruction);
case 0x2:
return new CP2Unimplemented ("swc2", machineInstruction);
case 0x6:
return new CP2Unimplemented ("sdc2", machineInstruction);
default:
return new Unknown (machineInstruction);
}
default:
return new Unknown (machineInstruction);
}
}
public StaticInstruction(string mnemonic, MachineInstruction machineInstruction, Flag flags, FunctionalUnit.Types fuType)
{
this.Mnemonic = mnemonic;
this.MachineInstruction = machineInstruction;
this.Flags = flags;
this.FunctionalUnitType = fuType;
this.IDeps = new List<RegisterDependency> ();
this.ODeps = new List<RegisterDependency> ();
this.SetupDeps ();
}
public StaticInstruction Decode(uint pc, Memory mem)
{
if (this.DecodedStaticInstructions.ContainsKey (pc)) {
return this.DecodedStaticInstructions[pc];
} else {
uint data = mem.ReadWord (pc);
MachineInstruction machineInstruction = new MachineInstruction (data);
StaticInstruction staticInstruction = this.DecodeMachineInstruction (machineInstruction);
this.DecodedStaticInstructions[pc] = staticInstruction;
return staticInstruction;
}
}
public abstract StaticInstruction DecodeMachineInstruction(MachineInstruction machineInstruction);
public static string Disassemble(MachineInstruction machineInstruction, uint pc, IThread thread)
{
StringBuilder buf = new StringBuilder ();
buf.AppendFormat ("0x{0:x8} : 0x{1:x8} {2} ", pc, machineInstruction.Data, thread.Core.Isa.DecodeMachineInstruction (machineInstruction).Mnemonic);
if (machineInstruction.Data == 0x00000000) {
return buf.ToString ();
}
switch (machineInstruction.MachineInstructionType) {
case MachineInstruction.Types.J:
buf.AppendFormat ("0x{0:x8}", machineInstruction[BitField.JMPTARG]);
break;
case MachineInstruction.Types.I:
if (machineInstruction.IsOneOpBranch) {
buf.AppendFormat ("${0}, {1:d}", MIPS_GPR_NAMES[machineInstruction[BitField.RS]], (short)machineInstruction[BitField.INTIMM]);
} else if (machineInstruction.IsLoadStore) {
buf.AppendFormat ("${0}, {1:d}(${2})", MIPS_GPR_NAMES[machineInstruction[BitField.RT]], (short)machineInstruction[BitField.INTIMM], MIPS_GPR_NAMES[machineInstruction[BitField.RS]]);
} else if (machineInstruction.IsFloatLoadStore) {
buf.AppendFormat ("$f{0}, {1:d}(${2})", machineInstruction[BitField.FT], (short)machineInstruction[BitField.INTIMM], MIPS_GPR_NAMES[machineInstruction[BitField.RS]]);
} else {
buf.AppendFormat ("${0}, ${1}, {2:d}", MIPS_GPR_NAMES[machineInstruction[BitField.RT]], MIPS_GPR_NAMES[machineInstruction[BitField.RS]], (short)machineInstruction[BitField.INTIMM]);
}
break;
case MachineInstruction.Types.F:
if (machineInstruction.IsConvert) {
buf.AppendFormat ("$f{0:d}, $f{1:d}", machineInstruction[BitField.FD], machineInstruction[BitField.FS]);
} else if (machineInstruction.IsCompare) {
buf.AppendFormat ("{0:d}, $f{1:d}, $f{2:d}", machineInstruction[BitField.FD] >> 2, machineInstruction[BitField.FS], machineInstruction[BitField.FT]);
} else if (machineInstruction.IsFloatBranch) {
buf.AppendFormat ("{0:d}, {1:d}", machineInstruction[BitField.FD] >> 2, (short)machineInstruction[BitField.INTIMM]);
} else if (machineInstruction.IsGPRFloatMove) {
buf.AppendFormat ("${0}, $f{1:d}", MIPS_GPR_NAMES[machineInstruction[BitField.RT]], machineInstruction[BitField.FS]);
} else if (machineInstruction.IsGPRFCRMove) {
buf.AppendFormat ("${0}, ${1:d}", MIPS_GPR_NAMES[machineInstruction[BitField.RT]], machineInstruction[BitField.FS]);
} else {
buf.AppendFormat ("$f{0:d}, $f{1:d}, $f{2:d}", machineInstruction[BitField.FD], machineInstruction[BitField.FS], machineInstruction[BitField.FT]);
}
break;
case MachineInstruction.Types.R:
if (machineInstruction.IsSyscall) {
} else if (machineInstruction.IsShift) {
buf.AppendFormat ("${0}, ${1}, {2:d}", MIPS_GPR_NAMES[machineInstruction[BitField.RD]], MIPS_GPR_NAMES[machineInstruction[BitField.RT]], machineInstruction[BitField.SA]);
} else if (machineInstruction.IsROneOp) {
buf.AppendFormat ("${0}", MIPS_GPR_NAMES[machineInstruction[BitField.RS]]);
} else if (machineInstruction.IsRTwoOp) {
buf.AppendFormat ("${0}, ${1}", MIPS_GPR_NAMES[machineInstruction[BitField.RS]], MIPS_GPR_NAMES[machineInstruction[BitField.RT]]);
} else if (machineInstruction.IsRMt) {
buf.AppendFormat ("${0}", MIPS_GPR_NAMES[machineInstruction[BitField.RS]]);
} else if (machineInstruction.IsRMf) {
buf.AppendFormat ("${0}", MIPS_GPR_NAMES[machineInstruction[BitField.RD]]);
} else {
buf.AppendFormat ("${0}, ${1}, ${2}", MIPS_GPR_NAMES[machineInstruction[BitField.RD]], MIPS_GPR_NAMES[machineInstruction[BitField.RS]], MIPS_GPR_NAMES[machineInstruction[BitField.RT]]);
}
break;
default:
Logger.Fatal (Logger.Categories.Instruction, "you can not reach here");
break;
}
return buf.ToString ();
}
