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code29k.c
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/* code29k.c */
/*****************************************************************************/
/* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only */
/* */
/* AS-Portierung */
/* */
/* Codegenerator AM29xxx-Familie */
/* */
/*****************************************************************************/
#include "stdinc.h"
#include <string.h>
#include <ctype.h>
#include "nls.h"
#include "strutil.h"
#include "bpemu.h"
#include "stringlists.h"
#include "asmdef.h"
#include "asmsub.h"
#include "asmpars.h"
#include "asmallg.h"
#include "asmitree.h"
#include "codepseudo.h"
#include "intpseudo.h"
#include "codevars.h"
#include "errmsg.h"
#include "code29k.h"
typedef struct
{
Boolean MustSup;
CPUVar MinCPU;
LongWord Code;
} StdOrder;
typedef struct
{
Boolean HasReg, HasInd;
CPUVar MinCPU;
LongWord Code;
} JmpOrder;
typedef struct
{
const char *Name;
LongWord Code;
} SPReg;
#define REG_LRMARK 256
#define StdOrderCount 51
#define NoImmOrderCount 22
#define VecOrderCount 10
#define JmpOrderCount 5
#define FixedOrderCount 2
#define MemOrderCount 7
#define SPRegCount 28
static StdOrder *StdOrders;
static StdOrder *NoImmOrders;
static StdOrder *VecOrders;
static JmpOrder *JmpOrders;
static StdOrder *FixedOrders;
static StdOrder *MemOrders;
static SPReg *SPRegs;
static CPUVar CPU29000, CPU29240, CPU29243, CPU29245;
static LongInt Reg_RBP;
static StringList Emulations;
/*-------------------------------------------------------------------------*/
static Boolean ChkSup(void)
{
if (!SupAllowed)
WrError(ErrNum_PrivOrder);
return SupAllowed;
}
static Boolean IsSup(LongWord RegNo)
{
return ((RegNo < 0x80) || (RegNo >= 0xa0));
}
static Boolean ChkCPU(CPUVar Min)
{
return StringListPresent(Emulations, OpPart.str.p_str) ? True : ChkMinCPU(Min);
}
/*-------------------------------------------------------------------------*/
/*!------------------------------------------------------------------------
* \fn DecodeRegCore(const char *pArg, LongWord *pResult)
* \brief check whether argument describes a CPU register
* \param pArg source argument
* \param pResult resulting register # if yes
* \return True if yes
* ------------------------------------------------------------------------ */
static Boolean DecodeRegCore(const char *pArg, LongWord *pResult)
{
int l = strlen(pArg);
Boolean OK;
if ((l >= 2) && (as_toupper(*pArg) == 'R'))
{
*pResult = ConstLongInt(pArg + 1, &OK, 10);
return OK && (*pResult <= 255);
}
else if ((l >= 3) && (as_toupper(*pArg) == 'G') && (as_toupper(pArg[1]) == 'R'))
{
*pResult = ConstLongInt(pArg + 2, &OK, 10);
if (!OK || (*pResult >= 128))
return False;
*pResult |= REG_LRMARK;
return True;
}
else if ((l >= 3) && (as_toupper(*pArg) == 'L') && (as_toupper(pArg[1]) == 'R'))
{
*pResult = ConstLongInt(pArg + 2, &OK, 10);
if (!OK || (*pResult >= 128))
return False;
*pResult |= 128 | REG_LRMARK;
return True;
}
else
return False;
}
/*!------------------------------------------------------------------------
* \fn DissectReg_29K(char *pDest, size_t DestSize, tRegInt Value, tSymbolSize InpSize)
* \brief dissect register symbols - 29K variant
* \param pDest destination buffer
* \param DestSize destination buffer size
* \param Value numeric register value
* \param InpSize register size
* ------------------------------------------------------------------------ */
static void DissectReg_29K(char *pDest, size_t DestSize, tRegInt Value, tSymbolSize InpSize)
{
switch (InpSize)
{
case eSymbolSize32Bit:
if (Value & REG_LRMARK)
as_snprintf(pDest, DestSize, "%cR%u", "GL"[(Value >> 7) & 1], (unsigned)(Value & 127));
else
as_snprintf(pDest, DestSize, "R%u", (unsigned)Value);
break;
default:
as_snprintf(pDest, DestSize, "%d-%u", (int)InpSize, (unsigned)Value);
}
}
/*!------------------------------------------------------------------------
* \fn DecodeReg(const tStrComp *pArg, LongWord *pResult, Boolean MustBeReg)
* \brief check whether argument describes a CPU register
* \param pArg source argument
* \param pResult resulting register # if yes
* \param MustBeReg True if register is expected
* \return reg eval result
* ------------------------------------------------------------------------ */
static tRegEvalResult DecodeReg(const tStrComp *pArg, LongWord *pResult, Boolean MustBeReg)
{
tRegEvalResult RegEvalResult;
tEvalResult EvalResult;
tRegDescr RegDescr;
if (DecodeRegCore(pArg->str.p_str, pResult))
RegEvalResult = eIsReg;
else
{
RegEvalResult = EvalStrRegExpressionAsOperand(pArg, &RegDescr, &EvalResult, eSymbolSize32Bit, MustBeReg);
if (eIsReg == RegEvalResult)
*pResult = RegDescr.Reg;
}
if (eIsReg == RegEvalResult)
{
*pResult &= ~REG_LRMARK;
if ((*pResult < 127) && (Odd(Reg_RBP >> (*pResult >> 4))))
{
if (!ChkSup())
RegEvalResult = MustBeReg ? eIsNoReg : eRegAbort;
}
}
return RegEvalResult;
}
static Boolean DecodeArgReg(int ArgIndex, LongWord *pRes)
{
return DecodeReg(&ArgStr[ArgIndex], pRes, True);
}
static Boolean DecodeSpReg(char *Asc_O, LongWord *Erg)
{
int z;
String Asc;
strmaxcpy(Asc, Asc_O, STRINGSIZE);
NLS_UpString(Asc);
for (z = 0; z < SPRegCount; z++)
if (!strcmp(Asc, SPRegs[z].Name))
{
*Erg = SPRegs[z].Code;
break;
}
return (z < SPRegCount);
}
static Boolean DecodeArgSpReg(int ArgIndex, LongWord *pRes)
{
Boolean Result = DecodeSpReg(ArgStr[ArgIndex].str.p_str, pRes);
if (!Result)
WrStrErrorPos(ErrNum_InvCtrlReg, &ArgStr[ArgIndex]);
return Result;
}
/*-------------------------------------------------------------------------*/
/* Variante 1: Register <-- Register op Register/uimm8 */
static void DecodeStd(Word Index)
{
const StdOrder *pOrder = StdOrders + Index;
LongWord Dest, Src1, Src2, Src3;
Boolean OK;
if (ChkArgCnt(2, 3) && DecodeArgReg(1, &Dest))
{
OK = True;
if (ArgCnt == 2) Src1 = Dest;
else OK = DecodeArgReg(2, &Src1);
if (OK)
{
switch (DecodeReg(&ArgStr[ArgCnt], &Src2, False))
{
case eIsReg:
OK = True; Src3 = 0;
break;
case eIsNoReg:
Src2 = EvalStrIntExpression(&ArgStr[ArgCnt], UInt8, &OK);
Src3 = 0x1000000;
break;
case eRegAbort:
return;
}
if (OK)
{
CodeLen = 4;
DAsmCode[0] = (pOrder->Code << 24) + Src3 + (Dest << 16) + (Src1 << 8) + Src2;
if (pOrder->MustSup)
ChkSup();
}
}
}
}
/* Variante 2: Register <-- Register op Register */
static void DecodeNoImm(Word Index)
{
const StdOrder *pOrder = NoImmOrders + Index;
Boolean OK;
LongWord Dest, Src1, Src2;
if (ChkArgCnt(2, 3) && DecodeArgReg(1, &Dest))
{
OK = True;
if (ArgCnt == 2) Src1 = Dest;
else OK = DecodeArgReg(2, &Src1);
if (OK && DecodeArgReg(ArgCnt, &Src2))
{
CodeLen = 4;
DAsmCode[0] = (pOrder->Code << 24) + (Dest << 16) + (Src1 << 8) + Src2;
if (pOrder->MustSup)
ChkSup();
}
}
}
/* Variante 3: Vektor <-- Register op Register/uimm8 */
static void DecodeVec(Word Index)
{
const StdOrder *pOrder = VecOrders + Index;
Boolean OK;
tSymbolFlags Flags;
LongWord Dest, Src1, Src2, Src3;
if (ChkArgCnt(3, 3))
{
Dest = EvalStrIntExpressionWithFlags(&ArgStr[1], UInt8, &OK, &Flags);
if (mFirstPassUnknown(Flags)) Dest = 64;
if (OK)
{
if (DecodeArgReg(2, &Src1))
{
switch (DecodeReg(&ArgStr[ArgCnt], &Src2, False))
{
case eIsReg:
OK = True; Src3 = 0;
break;
case eIsNoReg:
Src2 = EvalStrIntExpression(&ArgStr[ArgCnt], UInt8, &OK);
Src3 = 0x1000000;
break;
default:
return;
}
if (OK)
{
CodeLen = 4;
DAsmCode[0] = (pOrder->Code << 24) + Src3 + (Dest << 16) + (Src1 << 8) + Src2;
if ((pOrder->MustSup) || (Dest <= 63))
ChkSup();
}
}
}
}
}
/* Variante 4: ohne Operanden */
static void DecodeFixed(Word Code)
{
const StdOrder *pOrder = FixedOrders + Code;
if (ChkArgCnt(0, 0))
{
CodeLen = 4;
DAsmCode[0] = pOrder->Code << 24;
if (pOrder->MustSup)
ChkSup();
}
}
/* Variante 5 : [0], Speichersteuerwort, Register, Register/uimm8 */
static void DecodeMem(Word Index)
{
const StdOrder *pOrder = MemOrders + Index;
Boolean OK;
LongWord AdrLong, Dest, Src1, Src2, Src3;
if (ChkArgCnt(3, 4))
{
if (ArgCnt == 3)
{
OK = True; AdrLong = 0;
}
else
{
AdrLong = EvalStrIntExpression(&ArgStr[1], Int32, &OK);
if (OK) OK = ChkRange(AdrLong, 0, 0);
}
if (OK)
{
Dest = EvalStrIntExpression(&ArgStr[ArgCnt - 2], UInt7, &OK);
if (OK && DecodeArgReg(ArgCnt - 1, &Src1))
{
switch (DecodeReg(&ArgStr[ArgCnt], &Src2, False))
{
case eIsReg:
OK = True; Src3 = 0;
break;
case eIsNoReg:
Src2 = EvalStrIntExpression(&ArgStr[ArgCnt], UInt8, &OK);
Src3 = 0x1000000;
break;
default:
return;
}
if (OK)
{
CodeLen = 4;
DAsmCode[0] = (pOrder->Code << 24) + Src3 + (Dest << 16) + (Src1 << 8) + Src2;
if (pOrder->MustSup)
ChkSup();
}
}
}
}
}
/* Sprungbefehle */
static void DecodeJmp(Word Index)
{
const JmpOrder *pOrder = JmpOrders + (Index & 0xff);
Word Immediate = Index & 0x100;
LongWord Dest, Src1, AdrLong;
LongInt AdrInt;
Boolean OK;
tSymbolFlags Flags;
unsigned NumArgs = 1 + Ord(pOrder->HasReg);
if (!ChkArgCnt(NumArgs, NumArgs))
return;
switch (DecodeReg(&ArgStr[ArgCnt], &Src1, False))
{
case eIsReg:
if (!pOrder->HasReg)
{
Dest = 0;
OK = True;
}
else
OK = DecodeReg(&ArgStr[1], &Dest, True);
if (OK)
{
CodeLen = 4;
DAsmCode[0] = ((pOrder->Code + 0x20) << 24) + (Dest << 8) + Src1;
}
break;
case eRegAbort:
return;
case eIsNoReg:
if (Immediate) WrError(ErrNum_InvAddrMode);
else
{
if (!pOrder->HasReg)
{
Dest = 0;
OK = True;
}
else
OK = DecodeReg(&ArgStr[1], &Dest, True);
if (OK)
{
AdrLong = EvalStrIntExpressionWithFlags(&ArgStr[ArgCnt], Int32, &OK, &Flags);
AdrInt = AdrLong - EProgCounter();
if (OK)
{
if ((AdrLong & 3) != 0) WrError(ErrNum_NotAligned);
else if ((AdrInt <= 0x1ffff) && (AdrInt >= -0x20000))
{
CodeLen = 4;
AdrLong -= EProgCounter();
DAsmCode[0] = (pOrder->Code << 24)
+ ((AdrLong & 0x3fc00) << 6)
+ (Dest << 8) + ((AdrLong & 0x3fc) >> 2);
}
else if (!mSymbolQuestionable(Flags) && (AdrLong > 0x3fffff)) WrError(ErrNum_JmpDistTooBig);
else
{
CodeLen = 4;
DAsmCode[0] = ((pOrder->Code + 1) << 24)
+ ((AdrLong & 0x3fc00) << 6)
+ (Dest << 8) + ((AdrLong & 0x3fc) >> 2);
}
}
}
}
}
}
static void DecodeCLASS(Word Code)
{
LongWord Dest, Src1, Src2;
Boolean OK;
UNUSED(Code);
if (ChkArgCnt(3, 3)
&& ChkCPU(CPU29000)
&& DecodeArgReg(1, &Dest)
&& DecodeArgReg(2, &Src1))
{
Src2 = EvalStrIntExpression(&ArgStr[3], UInt2, &OK);
if (OK)
{
CodeLen = 4;
DAsmCode[0] = 0xe6000000 + (Dest << 16) + (Src1 << 8) + Src2;
}
}
}
static void DecodeEMULATE(Word Code)
{
LongWord Dest, Src1, Src2;
Boolean OK;
tSymbolFlags Flags;
UNUSED(Code);
if (ChkArgCnt(3, 3))
{
Dest = EvalStrIntExpressionWithFlags(&ArgStr[1], UInt8, &OK, &Flags);
if (mFirstPassUnknown(Flags)) Dest = 64;
if (OK)
{
if (DecodeArgReg(2, &Src1)
&& DecodeArgReg(ArgCnt, &Src2))
{
CodeLen = 4;
DAsmCode[0] = 0xd7000000 + (Dest << 16) + (Src1 << 8) + Src2;
if (Dest <= 63)
ChkSup();
}
}
}
}
static void DecodeSQRT(Word Code)
{
Boolean OK;
LongWord Src1, Src2, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 3)
&& ChkCPU(CPU29000)
&& DecodeArgReg(1, &Dest))
{
if (ArgCnt == 2)
{
OK = True;
Src1 = Dest;
}
else
OK = DecodeArgReg(2, &Src1);
if (OK)
{
Src2 = EvalStrIntExpression(&ArgStr[ArgCnt], UInt2, &OK);
if (OK)
{
CodeLen = 4;
DAsmCode[0] = 0xe5000000 + (Dest << 16) + (Src1 << 8) + Src2;
}
}
}
}
static void DecodeCLZ(Word Code)
{
Boolean OK;
LongWord Src1, Src3, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 2) && DecodeArgReg(1, &Dest))
{
switch (DecodeReg(&ArgStr[2], &Src1, False))
{
case eIsReg:
OK = True; Src3 = 0;
break;
case eIsNoReg:
Src1 = EvalStrIntExpression(&ArgStr[2], UInt8, &OK);
Src3 = 0x1000000;
break;
default:
return;
}
if (OK)
{
CodeLen = 4;
DAsmCode[0] = 0x08000000 + Src3 + (Dest << 16) + Src1;
}
}
}
static void DecodeCONST(Word Code)
{
Boolean OK;
LongWord AdrLong, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 2) && DecodeArgReg(1, &Dest))
{
AdrLong = EvalStrIntExpression(&ArgStr[2], Int32, &OK);
if (OK)
{
CodeLen = 4;
DAsmCode[0] = ((AdrLong & 0xff00) << 8) + (Dest << 8) + (AdrLong & 0xff);
AdrLong = AdrLong >> 16;
if (AdrLong == 0xffff) DAsmCode[0] += 0x01000000;
else
{
DAsmCode[0] += 0x03000000;
if (AdrLong != 0)
{
CodeLen = 8;
DAsmCode[1] = 0x02000000 + ((AdrLong & 0xff00) << 16) + (Dest << 8) + (AdrLong & 0xff);
}
}
}
}
return;
}
static void DecodeCONSTH_CONSTN(Word IsHi)
{
Boolean OK;
LongWord AdrLong, Dest;
tSymbolFlags Flags;
if (ChkArgCnt(2, 2) && DecodeArgReg(1, &Dest))
{
AdrLong = EvalStrIntExpressionWithFlags(&ArgStr[2], Int32, &OK, &Flags);
if (mFirstPassUnknown(Flags))
AdrLong &= 0xffff;
if ((!IsHi) && ((AdrLong >> 16) == 0xffff))
AdrLong &= 0xffff;
if (ChkRange(AdrLong, 0, 0xffff))
{
CodeLen = 4;
DAsmCode[0] = 0x1000000 + ((AdrLong & 0xff00) << 8) + (Dest << 8) + (AdrLong & 0xff);
if (IsHi)
DAsmCode[0] += 0x1000000;
}
}
}
static void DecodeCONVERT(Word Code)
{
Boolean OK;
LongWord Src1, Src2, Dest;
UNUSED(Code);
if (ChkArgCnt(6, 6)
&& ChkCPU(CPU29000)
&& DecodeArgReg(1, &Dest)
&& DecodeArgReg(2, &Src1))
{
Src2 = 0;
Src2 += EvalStrIntExpression(&ArgStr[3], UInt1, &OK) << 7;
if (OK)
{
Src2 += EvalStrIntExpression(&ArgStr[4], UInt3, &OK) << 4;
if (OK)
{
Src2 += EvalStrIntExpression(&ArgStr[5], UInt2, &OK) << 2;
if (OK)
{
Src2 += EvalStrIntExpression(&ArgStr[6], UInt2, &OK);
if (OK)
{
CodeLen = 4;
DAsmCode[0] = 0xe4000000 + (Dest << 16) + (Src1 << 8) + Src2;
}
}
}
}
}
}
static void DecodeEXHWS(Word Code)
{
LongWord Src1, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 2)
&& DecodeArgReg(1, &Dest)
&& DecodeArgReg(2, &Src1))
{
CodeLen = 4;
DAsmCode[0] = 0x7e000000 + (Dest << 16) + (Src1 << 8);
}
}
static void DecodeINV_IRETINV(Word Code)
{
Boolean OK;
LongWord Src1;
if (ChkArgCnt(0, 1))
{
if (ArgCnt == 0)
{
Src1 = 0; OK = True;
}
else Src1 = EvalStrIntExpression(&ArgStr[1], UInt2, &OK);
if (OK)
{
CodeLen = 4;
DAsmCode[0] = (((LongWord)Code) << 16) | Src1 << 16;
ChkSup();
}
}
}
static void DecodeMFSR(Word Code)
{
LongWord Src1, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 2)
&& DecodeArgReg(1, &Dest)
&& DecodeArgSpReg(2, &Src1))
{
DAsmCode[0] = 0xc6000000 + (Dest << 16) + (Src1 << 8);
CodeLen = 4;
if (IsSup(Src1))
ChkSup();
}
}
static void DecodeMTSR(Word Code)
{
LongWord Src1, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 2)
&& DecodeArgSpReg(1, &Dest)
&& DecodeArgReg(2, &Src1))
{
DAsmCode[0] = 0xce000000 + (Dest << 8) + Src1;
CodeLen = 4;
if (IsSup(Dest))
ChkSup();
}
}
static void DecodeMTSRIM(Word Code)
{
LongWord Src1, Dest;
Boolean OK;
UNUSED(Code);
if (ChkArgCnt(2, 2) && DecodeArgSpReg(1, &Dest))
{
Src1 = EvalStrIntExpression(&ArgStr[2], UInt16, &OK);
if (OK)
{
DAsmCode[0] = 0x04000000 + ((Src1 & 0xff00) << 8) + (Dest << 8) + Lo(Src1);
CodeLen = 4;
if (IsSup(Dest))
ChkSup();
}
}
}
static void DecodeMFTLB(Word Code)
{
LongWord Src1, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 2)
&& DecodeArgReg(1, &Dest)
&& DecodeArgReg(2, &Src1))
{
DAsmCode[0] = 0xb6000000 + (Dest << 16) + (Src1 << 8);
CodeLen = 4;
ChkSup();
}
}
static void DecodeMTTLB(Word Code)
{
LongWord Src1, Dest;
UNUSED(Code);
if (ChkArgCnt(2, 2)
&& DecodeArgReg(1, &Dest)
&& DecodeArgReg(2, &Src1))
{
DAsmCode[0] = 0xbe000000 + (Dest << 8) + Src1;
CodeLen = 4;
ChkSup();
}
}
static void DecodeEMULATED(Word Code)
{
int z;
UNUSED(Code);
if (ChkArgCnt(1, ArgCntMax))
for (z = 1; z <= ArgCnt; z++)
{
NLS_UpString(ArgStr[z].str.p_str);
if (!StringListPresent(Emulations, ArgStr[z].str.p_str))
AddStringListLast(&Emulations, ArgStr[z].str.p_str);
}
}
/*-------------------------------------------------------------------------*/
static void AddStd(const char *NName, CPUVar NMin, Boolean NSup, LongWord NCode)
{
if (InstrZ >= StdOrderCount) exit(255);
StdOrders[InstrZ].Code = NCode;
StdOrders[InstrZ].MustSup = NSup;
StdOrders[InstrZ].MinCPU = NMin;
AddInstTable(InstTable, NName, InstrZ++, DecodeStd);
}
static void AddNoImm(const char *NName, CPUVar NMin, Boolean NSup, LongWord NCode)
{
if (InstrZ >= NoImmOrderCount) exit(255);
NoImmOrders[InstrZ].Code = NCode;
NoImmOrders[InstrZ].MustSup = NSup;
NoImmOrders[InstrZ].MinCPU = NMin;
AddInstTable(InstTable, NName, InstrZ++, DecodeNoImm);
}
static void AddVec(const char *NName, CPUVar NMin, Boolean NSup, LongWord NCode)
{
if (InstrZ >= VecOrderCount) exit(255);
VecOrders[InstrZ].Code = NCode;
VecOrders[InstrZ].MustSup = NSup;
VecOrders[InstrZ].MinCPU = NMin;
AddInstTable(InstTable, NName, InstrZ++, DecodeVec);
}
static void AddJmp(const char *NName, CPUVar NMin, Boolean NHas, Boolean NInd, LongWord NCode)
{
char IName[30];
if (InstrZ >= JmpOrderCount) exit(255);
JmpOrders[InstrZ].HasReg = NHas;
JmpOrders[InstrZ].HasInd = NInd;
JmpOrders[InstrZ].Code = NCode;
JmpOrders[InstrZ].MinCPU = NMin;
AddInstTable(InstTable, NName, InstrZ, DecodeJmp);
as_snprintf(IName, sizeof(IName), "%sI", NName);
AddInstTable(InstTable, IName, 0x100 | InstrZ, DecodeJmp);
InstrZ++;
}
static void AddFixed(const char *NName, CPUVar NMin, Boolean NSup, LongWord NCode)
{
if (InstrZ >= FixedOrderCount) exit(255);
FixedOrders[InstrZ].Code = NCode;
FixedOrders[InstrZ].MustSup = NSup;
FixedOrders[InstrZ].MinCPU = NMin;
AddInstTable(InstTable, NName, InstrZ++, DecodeFixed);
}
static void AddMem(const char *NName, CPUVar NMin, Boolean NSup, LongWord NCode)
{
if (InstrZ >= MemOrderCount) exit(255);
MemOrders[InstrZ].Code = NCode;
MemOrders[InstrZ].MustSup = NSup;
MemOrders[InstrZ].MinCPU = NMin;
AddInstTable(InstTable, NName, InstrZ++, DecodeMem);
}
static void AddSP(const char *NName, LongWord NCode)
{
if (InstrZ >= SPRegCount) exit(255);
SPRegs[InstrZ].Name = NName;
SPRegs[InstrZ++].Code = NCode;
}
static void InitFields(void)
{
InstTable = CreateInstTable(307);
SetDynamicInstTable(InstTable);
AddInstTable(InstTable, "CLASS", 0, DecodeCLASS);
AddInstTable(InstTable, "EMULATE", 0, DecodeEMULATE);
AddInstTable(InstTable, "SQRT", 0, DecodeSQRT);
AddInstTable(InstTable, "CLZ", 0, DecodeCLZ);
AddInstTable(InstTable, "CONST", 0, DecodeCONST);
AddInstTable(InstTable, "CONSTH", True, DecodeCONSTH_CONSTN);
AddInstTable(InstTable, "CONSTN", False, DecodeCONSTH_CONSTN);
AddInstTable(InstTable, "CONVERT", 0, DecodeCONVERT);
AddInstTable(InstTable, "EXHWS", 0, DecodeEXHWS);
AddInstTable(InstTable, "INV", 0x9f00, DecodeINV_IRETINV);
AddInstTable(InstTable, "IRETINV", 0x8c00, DecodeINV_IRETINV);
AddInstTable(InstTable, "MFSR", 0, DecodeMFSR);
AddInstTable(InstTable, "MTSR", 0, DecodeMTSR);
AddInstTable(InstTable, "MTSRIM", 0, DecodeMTSRIM);
AddInstTable(InstTable, "MFTLB", 0, DecodeMFTLB);
AddInstTable(InstTable, "MTTLB", 0, DecodeMTTLB);
AddInstTable(InstTable, "EMULATED", 0, DecodeEMULATED);
AddInstTable(InstTable, "REG", 0, CodeREG);
StdOrders = (StdOrder *) malloc(sizeof(StdOrder)*StdOrderCount); InstrZ = 0;
AddStd("ADD" , CPU29245, False, 0x14); AddStd("ADDC" , CPU29245, False, 0x1c);
AddStd("ADDCS" , CPU29245, False, 0x18); AddStd("ADDCU" , CPU29245, False, 0x1a);
AddStd("ADDS" , CPU29245, False, 0x10); AddStd("ADDU" , CPU29245, False, 0x12);
AddStd("AND" , CPU29245, False, 0x90); AddStd("ANDN" , CPU29245, False, 0x9c);
AddStd("CPBYTE" , CPU29245, False, 0x2e); AddStd("CPEQ" , CPU29245, False, 0x60);
AddStd("CPGE" , CPU29245, False, 0x4c); AddStd("CPGEU" , CPU29245, False, 0x4e);
AddStd("CPGT" , CPU29245, False, 0x48); AddStd("CPGTU" , CPU29245, False, 0x4a);
AddStd("CPLE" , CPU29245, False, 0x44); AddStd("CPLEU" , CPU29245, False, 0x46);
AddStd("CPLT" , CPU29245, False, 0x40); AddStd("CPLTU" , CPU29245, False, 0x42);
AddStd("CPNEQ" , CPU29245, False, 0x62); AddStd("DIV" , CPU29245, False, 0x6a);
AddStd("DIV0" , CPU29245, False, 0x68); AddStd("DIVL" , CPU29245, False, 0x6c);
AddStd("DIVREM" , CPU29245, False, 0x6e); AddStd("EXBYTE" , CPU29245, False, 0x0a);
AddStd("EXHW" , CPU29245, False, 0x7c); AddStd("EXTRACT", CPU29245, False, 0x7a);
AddStd("INBYTE" , CPU29245, False, 0x0c); AddStd("INHW" , CPU29245, False, 0x78);
AddStd("MUL" , CPU29245, False, 0x64); AddStd("MULL" , CPU29245, False, 0x66);
AddStd("MULU" , CPU29245, False, 0x74); AddStd("NAND" , CPU29245, False, 0x9a);
AddStd("NOR" , CPU29245, False, 0x98); AddStd("OR" , CPU29245, False, 0x92);
AddStd("SLL" , CPU29245, False, 0x80); AddStd("SRA" , CPU29245, False, 0x86);
AddStd("SRL" , CPU29245, False, 0x82); AddStd("SUB" , CPU29245, False, 0x24);
AddStd("SUBC" , CPU29245, False, 0x2c); AddStd("SUBCS" , CPU29245, False, 0x28);
AddStd("SUBCU" , CPU29245, False, 0x2a); AddStd("SUBR" , CPU29245, False, 0x34);
AddStd("SUBRC" , CPU29245, False, 0x3c); AddStd("SUBRCS" , CPU29245, False, 0x38);
AddStd("SUBRCU" , CPU29245, False, 0x3a); AddStd("SUBRS" , CPU29245, False, 0x30);
AddStd("SUBRU" , CPU29245, False, 0x32); AddStd("SUBS" , CPU29245, False, 0x20);
AddStd("SUBU" , CPU29245, False, 0x22); AddStd("XNOR" , CPU29245, False, 0x96);
AddStd("XOR" , CPU29245, False, 0x94);
NoImmOrders = (StdOrder *) malloc(sizeof(StdOrder)*NoImmOrderCount); InstrZ = 0;
AddNoImm("DADD" , CPU29000, False, 0xf1); AddNoImm("DDIV" , CPU29000, False, 0xf7);
AddNoImm("DEQ" , CPU29000, False, 0xeb); AddNoImm("DGE" , CPU29000, False, 0xef);
AddNoImm("DGT" , CPU29000, False, 0xed); AddNoImm("DIVIDE" , CPU29000, False, 0xe1);
AddNoImm("DIVIDU" , CPU29000, False, 0xe3); AddNoImm("DMUL" , CPU29000, False, 0xf5);
AddNoImm("DSUB" , CPU29000, False, 0xf3); AddNoImm("FADD" , CPU29000, False, 0xf0);
AddNoImm("FDIV" , CPU29000, False, 0xf6); AddNoImm("FDMUL" , CPU29000, False, 0xf9);
AddNoImm("FEQ" , CPU29000, False, 0xea); AddNoImm("FGE" , CPU29000, False, 0xee);
AddNoImm("FGT" , CPU29000, False, 0xec); AddNoImm("FMUL" , CPU29000, False, 0xf4);
AddNoImm("FSUB" , CPU29000, False, 0xf2); AddNoImm("MULTIPLU", CPU29243, False, 0xe2);
AddNoImm("MULTIPLY", CPU29243, False, 0xe0); AddNoImm("MULTM" , CPU29243, False, 0xde);
AddNoImm("MULTMU" , CPU29243, False, 0xdf); AddNoImm("SETIP" , CPU29245, False, 0x9e);
VecOrders = (StdOrder *) malloc(sizeof(StdOrder)*VecOrderCount); InstrZ = 0;
AddVec("ASEQ" , CPU29245, False, 0x70); AddVec("ASGE" , CPU29245, False, 0x5c);
AddVec("ASGEU" , CPU29245, False, 0x5e); AddVec("ASGT" , CPU29245, False, 0x58);
AddVec("ASGTU" , CPU29245, False, 0x5a); AddVec("ASLE" , CPU29245, False, 0x54);
AddVec("ASLEU" , CPU29245, False, 0x56); AddVec("ASLT" , CPU29245, False, 0x50);
AddVec("ASLTU" , CPU29245, False, 0x52); AddVec("ASNEQ" , CPU29245, False, 0x72);
JmpOrders = (JmpOrder *) malloc(sizeof(JmpOrder)*JmpOrderCount); InstrZ = 0;
AddJmp("CALL" , CPU29245, True , True , 0xa8); AddJmp("JMP" , CPU29245, False, True , 0xa0);
AddJmp("JMPF" , CPU29245, True , True , 0xa4); AddJmp("JMPFDEC", CPU29245, True , False, 0xb4);
AddJmp("JMPT" , CPU29245, True , True , 0xac);
FixedOrders = (StdOrder *) malloc(sizeof(StdOrder)*FixedOrderCount); InstrZ = 0;
AddFixed("HALT" , CPU29245, True, 0x89); AddFixed("IRET" , CPU29245, True, 0x88);
MemOrders = (StdOrder *) malloc(sizeof(StdOrder)*MemOrderCount); InstrZ = 0;
AddMem("LOAD" , CPU29245, False, 0x16); AddMem("LOADL" , CPU29245, False, 0x06);
AddMem("LOADM" , CPU29245, False, 0x36); AddMem("LOADSET", CPU29245, False, 0x26);
AddMem("STORE" , CPU29245, False, 0x1e); AddMem("STOREL" , CPU29245, False, 0x0e);
AddMem("STOREM" , CPU29245, False, 0x3e);
SPRegs = (SPReg *) malloc(sizeof(SPReg)*SPRegCount); InstrZ = 0;
AddSP("VAB", 0);
AddSP("OPS", 1);
AddSP("CPS", 2);
AddSP("CFG", 3);
AddSP("CHA", 4);
AddSP("CHD", 5);
AddSP("CHC", 6);
AddSP("RBP", 7);
AddSP("TMC", 8);
AddSP("TMR", 9);
AddSP("PC0", 10);
AddSP("PC1", 11);
AddSP("PC2", 12);
AddSP("MMU", 13);
AddSP("LRU", 14);
AddSP("CIR", 29);
AddSP("CDR", 30);
AddSP("IPC", 128);
AddSP("IPA", 129);
AddSP("IPB", 130);
AddSP("Q", 131);
AddSP("ALU", 132);
AddSP("BP", 133);
AddSP("FC", 134);
AddSP("CR", 135);
AddSP("FPE", 160);
AddSP("INTE",161);
AddSP("FPS", 162);
}
static void DeinitFields(void)
{
DestroyInstTable(InstTable);
free(StdOrders);
free(NoImmOrders);
free(VecOrders);
free(JmpOrders);
free(FixedOrders);
free(MemOrders);
free(SPRegs);
}
/*-------------------------------------------------------------------------*/
/*!------------------------------------------------------------------------
* \fn InternSymbol_29K(char *pArg, TempResult *pResult)
* \brief handle built-in symbols on 29K
* \param pArg source argument
* \param pResult result buffer
* ------------------------------------------------------------------------ */
static void InternSymbol_29K(char *pArg, TempResult *pResult)
{
LongWord Reg;