public MicroBlazeRewriter(MicroBlazeArchitecture 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 MicroBlazeDisassembler(arch, rdr).GetEnumerator();
this.instrCur = null !;
this.addrInstr = null !;
this.m = null !;
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
this.instrCur = dasm.Current;
this.iclass = instrCur.InstructionClass;
var instrs = new List <RtlInstruction>();
this.m = new RtlEmitter(instrs);
switch (instrCur.Mnemonic)
{
default:
EmitUnitTest();
goto case Mnemonic.Invalid;
case Mnemonic.Invalid:
this.iclass = InstrClass.Invalid;
m.Invalid();
break;
case Mnemonic.add: RewriteAdd(true); break;
case Mnemonic.addc: RewriteAddc(true); break;
case Mnemonic.addk: RewriteAdd(false); break;
case Mnemonic.addi: RewriteAddi(true); break;
case Mnemonic.addik: RewriteAddi(false); break;
case Mnemonic.and: RewriteLogical(m.And); break;
case Mnemonic.andi: RewriteLogicalImm(m.And); break;
case Mnemonic.beqi: RewriteBranch(ConditionCode.EQ); break;
case Mnemonic.beqid: RewriteBranch(ConditionCode.EQ); break;
case Mnemonic.bgei: RewriteBranch(ConditionCode.GE); break;
case Mnemonic.bgeid: RewriteBranch(ConditionCode.GE); break;
case Mnemonic.bgti: RewriteBranch(ConditionCode.GT); break;
case Mnemonic.bgtid: RewriteBranch(ConditionCode.GT); break;
case Mnemonic.blei: RewriteBranch(ConditionCode.LE); break;
case Mnemonic.bleid: RewriteBranch(ConditionCode.LE); break;
case Mnemonic.blti: RewriteBranch(ConditionCode.LT); break;
case Mnemonic.bltid: RewriteBranch(ConditionCode.LT); break;
case Mnemonic.bnei: RewriteBranch(ConditionCode.NE); break;
case Mnemonic.bneid: RewriteBranch(ConditionCode.NE); break;
case Mnemonic.br: RewriteJump(false, false); break;
case Mnemonic.bra: RewriteJump(false, true); break;
case Mnemonic.brad: RewriteJump(false, true); break;
case Mnemonic.brai: RewriteJumpAddr(false); break;
case Mnemonic.brald: RewriteJump(true, false); break;
case Mnemonic.bri: RewriteJumpAddr(false); break;
case Mnemonic.brid: RewriteJumpAddr(false); break;
case Mnemonic.brlid: RewriteJumpAddr(true); break;
case Mnemonic.cmp: RewriteCmp(m.ISub); break;
case Mnemonic.cmpu: RewriteCmp(m.USub); break;
case Mnemonic.imm: CaptureImmState(); continue; // <- don't emit code!
case Mnemonic.lbu: RewriteLoadIdx(PrimitiveType.Byte); break;
case Mnemonic.lbui: RewriteLoadOffset(PrimitiveType.Byte); break;
case Mnemonic.lhu: RewriteLoadIdx(PrimitiveType.Word16); break;
case Mnemonic.lhui: RewriteLoadOffset(PrimitiveType.Word16); break;
case Mnemonic.lw: RewriteLoadIdx(PrimitiveType.Word32); break;
case Mnemonic.lwi: RewriteLoadOffset(PrimitiveType.Word32); break;
case Mnemonic.mul: RewriteMul(); break;
case Mnemonic.nop: m.Nop(); break;
case Mnemonic.or: RewriteOr(); break;
case Mnemonic.ori: RewriteOri(); break;
case Mnemonic.rsub: RewriteRsub(true); break;
case Mnemonic.rsubi: RewriteRsubi(true); break;
case Mnemonic.rsubk: RewriteRsub(false); break;
case Mnemonic.rsubik: RewriteRsubi(false); break;
case Mnemonic.rtsd: RewriteRtsd(); break;
case Mnemonic.sb: RewriteStoreIdx(PrimitiveType.Byte); break;
case Mnemonic.sbi: RewriteStoreOffset(PrimitiveType.Byte); break;
case Mnemonic.sext8: RewriteSext(PrimitiveType.SByte); break;
case Mnemonic.sext16: RewriteSext(PrimitiveType.Int16); break;
case Mnemonic.sh: RewriteStoreIdx(PrimitiveType.Word16); break;
case Mnemonic.shi: RewriteStoreOffset(PrimitiveType.Word16); break;
case Mnemonic.sra: RewriteShift1(m.Sar); break;
case Mnemonic.src: RewriteShift1(RorC); break;
case Mnemonic.srl: RewriteShift1(m.Shr); break;
case Mnemonic.sw: RewriteStoreIdx(PrimitiveType.Word32); break;
case Mnemonic.swi: RewriteStoreOffset(PrimitiveType.Word32); break;
case Mnemonic.xor: RewriteLogical(m.Xor); break;
case Mnemonic.xori: RewriteLogicalImm(m.Xor); break;
}
var addr = addrInstr ?? instrCur.Address;
var length = (int)(rdr.Address - addr);
this.addrInstr = null !;
yield return(m.MakeCluster(addr, length, iclass));
this.immHiBits = 0;
addrInstr = null !;
}
}
