public OpenRISCRewriter(OpenRISCArchitecture arch, EndianImageReader rdr, ProcessorState state, IStorageBinder binder, IRewriterHost host)
{
this.arch = arch;
this.rdr = rdr;
this.state = state;
this.binder = binder;
this.host = host;
this.dasm = new OpenRISCDisassembler(arch, rdr).GetEnumerator();
this.instrCur = null !;
this.m = null !;
}
public override OpenRISCInstruction Decode(uint wInstr, OpenRISCDisassembler dasm)
{
foreach (var m in mutators)
{
if (!m(wInstr, dasm))
{
return(dasm.CreateInvalidInstruction());
}
}
var instr = new OpenRISCInstruction
{
InstructionClass = iclass,
Mnemonic = mnemonic,
Operands = dasm.ops.ToArray()
};
return(instr);
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
this.instrCur = dasm.Current;
this.iclass = instrCur.InstructionClass;
var rtls = new List <RtlInstruction>();
this.m = new RtlEmitter(rtls);
switch (instrCur.Mnemonic)
{
default:
EmitUnitTest();
goto case Mnemonic.Invalid;
case Mnemonic.Invalid:
m.Invalid(); iclass = InstrClass.Invalid;
break;
case Mnemonic.l_add: RewriteAluCV(m.IAdd); break;
case Mnemonic.l_addc: RewriteAddc(); break;
case Mnemonic.l_addi: RewriteAddi(); break;
case Mnemonic.l_addic: RewriteAddic(); break;
case Mnemonic.l_adrp: RewriteAdrp(); break;
case Mnemonic.l_and: RewriteBinOp(m.And); break;
case Mnemonic.l_andi: RewriteBinOpImm(m.And); break;
case Mnemonic.l_bf: RewriteBranch(false); break;
case Mnemonic.l_bnf: RewriteBranch(true); break;
case Mnemonic.l_cmov: RewriteCmov(); break;
case Mnemonic.l_csync: RewriteCsync(); break;
case Mnemonic.l_j: RewriteJ(); break;
case Mnemonic.l_jal: RewriteJal(); break;
case Mnemonic.l_jalr: RewriteJalr(); break;
case Mnemonic.l_jr: RewriteJr(); break;
case Mnemonic.l_lbs: RewriteLoad(arch.SignedWordWidth); break;
case Mnemonic.l_lbz: RewriteLoad(arch.WordWidth); break;
case Mnemonic.l_lf: RewriteLoad(arch.WordWidth); break;
case Mnemonic.l_lhs: RewriteLoad(arch.SignedWordWidth); break;
case Mnemonic.l_lhz: RewriteLoad(arch.WordWidth); break;
case Mnemonic.l_lwa: RewriteLwa(); break;
case Mnemonic.l_lws: RewriteLoad(arch.SignedWordWidth); break;
case Mnemonic.l_lwz: RewriteLoad(arch.WordWidth); break;
case Mnemonic.l_ld: RewriteLoad(arch.WordWidth); break;
case Mnemonic.l_maci: RewriteMaci(); break;
case Mnemonic.l_macrc: RewriteMacrc(); break;
case Mnemonic.l_movhi: RewriteMovhi(); break;
case Mnemonic.l_mfspr: RewriteMfspr(); break;
case Mnemonic.l_msync: RewriteMsync(); break;
case Mnemonic.l_mtspr: RewriteMtspr(); break;
case Mnemonic.l_mul: RewriteAluV(m.SMul); break;
case Mnemonic.l_nop: m.Nop(); break;
case Mnemonic.l_or: RewriteBinOp(m.Or); break;
case Mnemonic.l_ori: RewriteBinOpImm(m.Or); break;
case Mnemonic.l_psync: RewritePsync(); break;
case Mnemonic.l_rfe: RewriteRfe(); break;
case Mnemonic.l_sb: RewriteStore(); break;
case Mnemonic.l_sh: RewriteStore(); break;
case Mnemonic.l_sw: RewriteStore(); break;
case Mnemonic.l_sfeq: RewriteSf(m.Eq); break;
case Mnemonic.l_sfeqi: RewriteSfi(m.Eq); break;
case Mnemonic.l_sfges: RewriteSf(m.Ge); break;
case Mnemonic.l_sfgesi: RewriteSfi(m.Ge); break;
case Mnemonic.l_sfgeu: RewriteSf(m.Uge); break;
case Mnemonic.l_sfgtsi: RewriteSfi(m.Gt); break;
case Mnemonic.l_sfgtu: RewriteSf(m.Ugt); break;
case Mnemonic.l_sfgtui: RewriteSfi(m.Ugt); break;
case Mnemonic.l_sfles: RewriteSf(m.Le); break;
case Mnemonic.l_sflesi: RewriteSfi(m.Le); break;
case Mnemonic.l_sfleu: RewriteSf(m.Ule); break;
case Mnemonic.l_sfleui: RewriteSfi(m.Ule); break;
case Mnemonic.l_sflts: RewriteSf(m.Lt); break;
case Mnemonic.l_sfltsi: RewriteSfi(m.Lt); break;
case Mnemonic.l_sfltu: RewriteSf(m.Ult); break;
case Mnemonic.l_sfltui: RewriteSfi(m.Ult); break;
case Mnemonic.l_sfne: RewriteSf(m.Ne); break;
case Mnemonic.l_sfnei: RewriteSfi(m.Ne); break;
case Mnemonic.l_sll: RewriteBinOp(m.Shl); break;
case Mnemonic.l_slli: RewriteBinOpImm(m.Shl); break;
case Mnemonic.l_sra: RewriteBinOp(m.Sar); break;
case Mnemonic.l_srai: RewriteBinOpImm(m.Sar); break;
case Mnemonic.l_srl: RewriteBinOp(m.Shr); break;
case Mnemonic.l_srli: RewriteBinOpImm(m.Shr); break;
case Mnemonic.l_sub: RewriteAluCV(m.ISub); break;
case Mnemonic.l_sys: RewriteSys(); break;
case Mnemonic.l_xor: RewriteBinOp(m.Xor); break;
case Mnemonic.l_xori: RewriteBinOpImm(m.Xor); break;
}
yield return(m.MakeCluster(instrCur.Address, instrCur.Length, iclass));
}
}
