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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1186 | savelij | 1 | /* codens32k.c */ |
| 2 | /*****************************************************************************/ |
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| 3 | /* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only */ |
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| 4 | /* */ |
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| 5 | /* AS-Portierung */ |
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| 6 | /* */ |
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| 7 | /* Code Generator National Semiconductor NS32000 */ |
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| 8 | /* */ |
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| 9 | /*****************************************************************************/ |
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| 10 | |||
| 11 | #include "stdinc.h" |
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| 12 | #include <string.h> |
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| 13 | #include "bpemu.h" |
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| 14 | #include "strutil.h" |
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| 15 | #include "ieeefloat.h" |
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| 16 | |||
| 17 | #include "headids.h" |
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| 18 | #include "asmdef.h" |
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| 19 | #include "asmsub.h" |
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| 20 | #include "asmpars.h" |
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| 21 | #include "asmallg.h" |
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| 22 | #include "onoff_common.h" |
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| 23 | #include "asmitree.h" |
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| 24 | #include "codevars.h" |
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| 25 | #include "codepseudo.h" |
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| 26 | #include "intpseudo.h" |
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| 27 | |||
| 28 | #include "codepseudo.h" |
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| 29 | #include "intpseudo.h" |
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| 30 | #include "codens32k.h" |
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| 31 | |||
| 32 | typedef enum |
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| 33 | { |
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| 34 | eCoreNone, |
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| 35 | eCoreGen1, |
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| 36 | eCoreGen1Ext, |
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| 37 | eCoreGenE, |
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| 38 | eCoreGen2, |
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| 39 | eCoreCount |
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| 40 | } tCore; |
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| 41 | |||
| 42 | typedef enum |
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| 43 | { |
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| 44 | eFPUNone, |
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| 45 | eFPU16081, |
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| 46 | eFPU32081, |
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| 47 | eFPU32181, |
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| 48 | eFPU32381, |
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| 49 | eFPU32580, |
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| 50 | eFPUCount |
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| 51 | } tFPU; |
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| 52 | |||
| 53 | typedef enum |
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| 54 | { |
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| 55 | ePMMUNone, |
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| 56 | ePMMU16082, |
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| 57 | ePMMU32082, |
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| 58 | ePMMU32382, |
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| 59 | ePMMU32532, |
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| 60 | ePMMUCount |
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| 61 | } tPMMU; |
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| 62 | |||
| 63 | typedef struct |
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| 64 | { |
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| 65 | const char *pName; |
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| 66 | Byte CPUType, DefFPU, DefPMMU; |
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| 67 | IntType MemIntType; |
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| 68 | } tCPUProps; |
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| 69 | |||
| 70 | static char FPUNames[eFPUCount][8] = { "OFF", "NS16081", "NS32081", "NS32181", "NS32381", "NS32580" }; |
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| 71 | |||
| 72 | static char PMMUNames[ePMMUCount][8] = { "OFF", "NS16082", "NS32082", "NS32382", "NS32532" }; |
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| 73 | |||
| 74 | typedef struct |
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| 75 | { |
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| 76 | const char *pName; |
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| 77 | Word Code, Mask; |
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| 78 | Boolean Privileged; |
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| 79 | } tCtlReg; |
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| 80 | |||
| 81 | #ifdef __cplusplus |
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| 82 | #include "codens32k.hpp" |
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| 83 | #endif |
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| 84 | |||
| 85 | #define MAllowImm (1 << 0) |
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| 86 | #define MAllowReg (1 << 1) |
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| 87 | #define MAllowRegPair (1 << 2) |
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| 88 | |||
| 89 | static tCtlReg *CtlRegs, *MMURegs; |
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| 90 | |||
| 91 | static tSymbolSize OpSize; |
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| 92 | static const tCPUProps *pCurrCPUProps; |
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| 93 | static tFPU MomFPU; |
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| 94 | static tPMMU MomPMMU; |
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| 95 | static Boolean CustomAvail; |
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| 96 | |||
| 97 | /*!------------------------------------------------------------------------ |
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| 98 | * \fn SetOpSize(tSymbolSize Size, const tStrComp *pArg) |
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| 99 | * \brief set (new) operand size of instruction |
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| 100 | * \param Size size to set |
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| 101 | * \param pArg source argument size was deduced from |
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| 102 | * \return True if no conflict |
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| 103 | * ------------------------------------------------------------------------ */ |
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| 104 | |||
| 105 | static Boolean SetOpSize(tSymbolSize Size, const tStrComp *pArg) |
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| 106 | { |
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| 107 | if (OpSize == eSymbolSizeUnknown) |
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| 108 | OpSize = Size; |
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| 109 | else if ((Size != eSymbolSizeUnknown) && (Size != OpSize)) |
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| 110 | { |
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| 111 | WrStrErrorPos(ErrNum_ConfOpSizes, pArg); |
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| 112 | return False; |
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| 113 | } |
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| 114 | return True; |
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| 115 | } |
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| 116 | |||
| 117 | /*!------------------------------------------------------------------------ |
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| 118 | * \fn ResetOpSize(void) |
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| 119 | * \brief back to undefined op size |
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| 120 | * \return constat True |
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| 121 | * ------------------------------------------------------------------------ */ |
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| 122 | |||
| 123 | static Boolean ResetOpSize(void) |
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| 124 | { |
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| 125 | OpSize = eSymbolSizeUnknown; |
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| 126 | return True; |
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| 127 | } |
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| 128 | |||
| 129 | /*!------------------------------------------------------------------------ |
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| 130 | * \fn CheckCore(unsigned CoreMask) |
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| 131 | * \brief check for CPU/Core requirement |
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| 132 | * \param CoreMask bit mask of core type supported |
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| 133 | * \return True if fulfilled |
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| 134 | * ------------------------------------------------------------------------ */ |
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| 135 | |||
| 136 | static Boolean CheckCore(unsigned CoreMask) |
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| 137 | { |
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| 138 | if ((CoreMask >> pCurrCPUProps->CPUType) & 1) |
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| 139 | return True; |
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| 140 | WrStrErrorPos(ErrNum_InstructionNotSupported, &OpPart); |
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| 141 | return False; |
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| 142 | } |
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| 143 | |||
| 144 | /*!------------------------------------------------------------------------ |
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| 145 | * \fn CheckSup(Boolean Required, const tStrComp *pArg) |
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| 146 | * \brief check whether supervisor mode requirement is violated |
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| 147 | * \param Required is supervisor mode required? |
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| 148 | * \param pArg source argument |
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| 149 | * \return False if violated |
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| 150 | * ------------------------------------------------------------------------ */ |
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| 151 | |||
| 152 | static Boolean CheckSup(Boolean Required, const tStrComp *pArg) |
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| 153 | { |
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| 154 | if (!SupAllowed && Required) |
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| 155 | { |
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| 156 | WrStrErrorPos(ErrNum_PrivOrder, pArg); |
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| 157 | return False; |
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| 158 | } |
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| 159 | return True; |
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| 160 | } |
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| 161 | |||
| 162 | /*!------------------------------------------------------------------------ |
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| 163 | * \fn SetMomFPU(tFPU NewFPU) |
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| 164 | * \brief set new FPU type in use |
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| 165 | * \param NewFPU new type |
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| 166 | * ------------------------------------------------------------------------ */ |
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| 167 | |||
| 168 | static void SetMomFPU(tFPU NewFPU) |
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| 169 | { |
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| 170 | switch ((MomFPU = NewFPU)) |
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| 171 | { |
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| 172 | case eFPU16081: |
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| 173 | case eFPU32081: |
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| 174 | case eFPU32181: |
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| 175 | case eFPU32381: |
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| 176 | case eFPU32580: |
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| 177 | { |
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| 178 | tStrComp TmpComp; |
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| 179 | String TmpCompStr; |
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| 180 | |||
| 181 | StrCompMkTemp(&TmpComp, TmpCompStr, sizeof(TmpCompStr)); |
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| 182 | strmaxcpy(TmpCompStr, MomFPUIdentName, sizeof(TmpCompStr)); |
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| 183 | strmaxcpy(MomFPUIdent, FPUNames[MomFPU], sizeof(MomFPUIdent)); |
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| 184 | EnterStringSymbol(&TmpComp, FPUNames[MomFPU], True); |
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| 185 | break; |
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| 186 | } |
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| 187 | default: |
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| 188 | break; |
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| 189 | } |
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| 190 | } |
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| 191 | |||
| 192 | /*!------------------------------------------------------------------------ |
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| 193 | * \fn SetMomPMMU(tFPU NewPMMU) |
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| 194 | * \brief set new PMMU type in use |
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| 195 | * \param NewPMMU new type |
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| 196 | * ------------------------------------------------------------------------ */ |
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| 197 | |||
| 198 | static void SetMomPMMU(tPMMU NewPMMU) |
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| 199 | { |
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| 200 | switch ((MomPMMU = NewPMMU)) |
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| 201 | { |
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| 202 | case ePMMU16082: |
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| 203 | case ePMMU32082: |
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| 204 | case ePMMU32382: |
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| 205 | case ePMMU32532: |
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| 206 | { |
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| 207 | tStrComp TmpComp; |
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| 208 | String TmpCompStr; |
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| 209 | |||
| 210 | StrCompMkTemp(&TmpComp, TmpCompStr, sizeof(TmpCompStr)); |
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| 211 | strmaxcpy(TmpCompStr, MomPMMUIdentName, sizeof(TmpCompStr)); |
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| 212 | strmaxcpy(MomPMMUIdent, PMMUNames[MomPMMU], sizeof(MomPMMUIdent)); |
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| 213 | EnterStringSymbol(&TmpComp, PMMUNames[MomPMMU], True); |
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| 214 | break; |
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| 215 | } |
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| 216 | default: |
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| 217 | break; |
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| 218 | } |
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| 219 | } |
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| 220 | |||
| 221 | /*!------------------------------------------------------------------------ |
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| 222 | * \fn CheckFPUAvail(void) |
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| 223 | * \brief check whether FPU instructions are enabled |
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| 224 | * \return False if not |
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| 225 | * ------------------------------------------------------------------------ */ |
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| 226 | |||
| 227 | static Boolean CheckFPUAvail(tFPU MinFPU) |
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| 228 | { |
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| 229 | if (!FPUAvail) |
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| 230 | { |
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| 231 | WrStrErrorPos(ErrNum_FPUNotEnabled, &OpPart); |
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| 232 | return False; |
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| 233 | } |
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| 234 | else if (MomFPU < MinFPU) |
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| 235 | { |
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| 236 | WrStrErrorPos(ErrNum_FPUInstructionNotSupported, &OpPart); |
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| 237 | return False; |
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| 238 | } |
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| 239 | |||
| 240 | return True; |
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| 241 | } |
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| 242 | |||
| 243 | /*!------------------------------------------------------------------------ |
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| 244 | * \fn CheckPMMUAvail(void) |
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| 245 | * \brief check whether PMMU instructions are enabled |
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| 246 | * \return False if not |
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| 247 | * ------------------------------------------------------------------------ */ |
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| 248 | |||
| 249 | static Boolean CheckPMMUAvail(void) |
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| 250 | { |
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| 251 | if (!PMMUAvail) |
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| 252 | { |
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| 253 | WrStrErrorPos(ErrNum_PMMUNotEnabled, &OpPart); |
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| 254 | return False; |
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| 255 | } |
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| 256 | return True; |
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| 257 | } |
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| 258 | |||
| 259 | /*!------------------------------------------------------------------------ |
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| 260 | * \fn CheckCustomAvail(void) |
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| 261 | * \brief check whether Custom instructions are enabled |
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| 262 | * \return False if not |
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| 263 | * ------------------------------------------------------------------------ */ |
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| 264 | |||
| 265 | static Boolean CheckCustomAvail(void) |
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| 266 | { |
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| 267 | if (!CustomAvail) |
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| 268 | { |
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| 269 | WrStrErrorPos(ErrNum_CustomNotEnabled, &OpPart); |
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| 270 | return False; |
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| 271 | } |
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| 272 | return True; |
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| 273 | } |
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| 274 | |||
| 275 | /*--------------------------------------------------------------------------*/ |
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| 276 | /* Register Handling */ |
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| 277 | |||
| 278 | static const char MemRegNames[][3] = { "FP", "SP", "SB" }; |
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| 279 | #define MemRegCount (sizeof(MemRegNames) / sizeof(*MemRegNames)) |
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| 280 | |||
| 281 | /*!------------------------------------------------------------------------ |
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| 282 | * \fn DecodeRegCore(const char *pArg, Word *pValue, tSymbolSize *pSize) |
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| 283 | * \brief check whether argument describes a register |
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| 284 | * \param pArg source argument |
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| 285 | * \param pValue register number if yes |
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| 286 | * \param pSize register size if yes |
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| 287 | * \return True if it is |
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| 288 | * ------------------------------------------------------------------------ */ |
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| 289 | |||
| 290 | static Boolean DecodeRegCore(const char *pArg, Word *pRegNum, tSymbolSize *pRegSize) |
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| 291 | { |
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| 292 | unsigned z; |
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| 293 | |||
| 294 | for (z = 0; z < MemRegCount; z++) |
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| 295 | if (!as_strcasecmp(pArg, MemRegNames[z])) |
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| 296 | { |
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| 297 | *pRegNum = z + 8; |
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| 298 | *pRegSize = eSymbolSize32Bit; |
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| 299 | return True; |
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| 300 | } |
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| 301 | |||
| 302 | if ((strlen(pArg) != 2) || (pArg[1] < '0') || (pArg[1] > '7')) |
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| 303 | return False; |
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| 304 | *pRegNum = pArg[1] - '0'; |
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| 305 | |||
| 306 | switch (as_toupper(*pArg)) |
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| 307 | { |
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| 308 | case 'F': *pRegSize = eSymbolSizeFloat32Bit; return True; |
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| 309 | case 'R': *pRegSize = eSymbolSize32Bit; return True; |
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| 310 | case 'L': *pRegSize = eSymbolSizeFloat64Bit; return True; |
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| 311 | default: |
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| 312 | return False; |
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| 313 | } |
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| 314 | } |
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| 315 | |||
| 316 | /*!------------------------------------------------------------------------ |
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| 317 | * \fn DissectReg_NS32K(char *pDest, size_t DestSize, tRegInt Value, tSymbolSize InpSize) |
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| 318 | * \brief dissect register symbols - NS32000 variant |
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| 319 | * \param pDest destination buffer |
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| 320 | * \param DestSize destination buffer size |
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| 321 | * \param Value numeric register value |
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| 322 | * \param InpSize register size |
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| 323 | * ------------------------------------------------------------------------ */ |
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| 324 | |||
| 325 | static void DissectReg_NS32K(char *pDest, size_t DestSize, tRegInt Value, tSymbolSize InpSize) |
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| 326 | { |
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| 327 | switch (InpSize) |
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| 328 | { |
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| 329 | case eSymbolSize32Bit: |
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| 330 | if (Value < 8) |
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| 331 | as_snprintf(pDest, DestSize, "R%u", (unsigned)Value); |
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| 332 | else if (Value < 8 + MemRegCount) |
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| 333 | as_snprintf(pDest, DestSize, "%s", MemRegNames[Value - 8]); |
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| 334 | else |
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| 335 | goto unknown; |
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| 336 | break; |
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| 337 | case eSymbolSizeFloat32Bit: |
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| 338 | as_snprintf(pDest, DestSize, "F%u", (unsigned)Value); |
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| 339 | break; |
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| 340 | case eSymbolSizeFloat64Bit: |
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| 341 | as_snprintf(pDest, DestSize, "L%u", (unsigned)Value); |
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| 342 | break; |
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| 343 | default: |
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| 344 | unknown: |
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| 345 | as_snprintf(pDest, DestSize, "%d-%u", (int)InpSize, (unsigned)Value); |
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| 346 | } |
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| 347 | } |
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| 348 | |||
| 349 | /*!------------------------------------------------------------------------ |
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| 350 | * \fn DecodeReg(const tStrComp *pArg, Word *pValue, tSymbolSize *pSize, tSymbolSize ChkRegSize, Boolean MustBeReg) |
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| 351 | * \brief check whether argument is a CPU register or user-defined register alias |
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| 352 | * \param pArg argument |
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| 353 | * \param pValue resulting register # if yes |
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| 354 | * \param pSize resulting register size if yes |
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| 355 | * \param ChkReqSize explicitly request certain register size |
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| 356 | * \param MustBeReg expecting register or maybe not? |
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| 357 | * \return reg eval result |
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| 358 | * ------------------------------------------------------------------------ */ |
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| 359 | |||
| 360 | static Boolean MatchRegSize(tSymbolSize IsSize, tSymbolSize ReqSize) |
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| 361 | { |
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| 362 | return (ReqSize == eSymbolSizeUnknown) |
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| 363 | || (IsSize == ReqSize) |
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| 364 | || ((ReqSize == eSymbolSizeFloat64Bit) && (IsSize == eSymbolSizeFloat32Bit)); |
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| 365 | } |
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| 366 | |||
| 367 | static tRegEvalResult DecodeReg(const tStrComp *pArg, Word *pValue, tSymbolSize *pSize, tSymbolSize ChkRegSize, Boolean MustBeReg) |
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| 368 | { |
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| 369 | tEvalResult EvalResult; |
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| 370 | tRegEvalResult RegEvalResult; |
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| 371 | |||
| 372 | if (DecodeRegCore(pArg->str.p_str, pValue, &EvalResult.DataSize)) |
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| 373 | RegEvalResult = eIsReg; |
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| 374 | else |
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| 375 | { |
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| 376 | tRegDescr RegDescr; |
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| 377 | |||
| 378 | RegEvalResult = EvalStrRegExpressionAsOperand(pArg, &RegDescr, &EvalResult, eSymbolSizeUnknown, MustBeReg); |
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| 379 | if (eIsReg == RegEvalResult) |
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| 380 | *pValue = RegDescr.Reg; |
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| 381 | } |
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| 382 | |||
| 383 | if ((RegEvalResult == eIsReg) && !MatchRegSize(EvalResult.DataSize, ChkRegSize)) |
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| 384 | { |
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| 385 | WrStrErrorPos(ErrNum_InvOpSize, pArg); |
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| 386 | RegEvalResult = MustBeReg ? eIsNoReg : eRegAbort; |
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| 387 | } |
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| 388 | |||
| 389 | if (pSize) *pSize = EvalResult.DataSize; |
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| 390 | return RegEvalResult; |
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| 391 | } |
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| 392 | |||
| 393 | /*!------------------------------------------------------------------------ |
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| 394 | * \fn DecodeCtlReg(const tStrComp *pArg, Word *pResult) |
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| 395 | * \brief decode control processor register |
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| 396 | * \param pArg source argument |
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| 397 | * \param pResult result buffer |
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| 398 | * \return True if src expr is a register |
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| 399 | * ------------------------------------------------------------------------ */ |
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| 400 | |||
| 401 | static Boolean DecodeCtlReg(const tStrComp *pArg, Word *pResult) |
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| 402 | { |
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| 403 | unsigned z; |
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| 404 | |||
| 405 | for (z = 0; CtlRegs[z].pName; z++) |
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| 406 | if (!as_strcasecmp(pArg->str.p_str, CtlRegs[z].pName)) |
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| 407 | { |
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| 408 | *pResult = CtlRegs[z].Code; |
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| 409 | return CheckSup(CtlRegs[z].Privileged, pArg); |
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| 410 | } |
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| 411 | WrStrErrorPos(ErrNum_InvReg, pArg); |
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| 412 | return False; |
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| 413 | } |
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| 414 | |||
| 415 | /*!------------------------------------------------------------------------ |
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| 416 | * \fn DecodeMMUReg(const tStrComp *pArg, Word *pResult) |
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| 417 | * \brief decode MMU register |
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| 418 | * \param pArg source argument |
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| 419 | * \param pResult result buffer |
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| 420 | * \return True if src expr is a register |
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| 421 | * ------------------------------------------------------------------------ */ |
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| 422 | |||
| 423 | static Boolean DecodeMMUReg(const tStrComp *pArg, Word *pResult) |
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| 424 | { |
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| 425 | unsigned z; |
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| 426 | |||
| 427 | for (z = 0; MMURegs[z].pName; z++) |
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| 428 | if (!as_strcasecmp(pArg->str.p_str, MMURegs[z].pName)) |
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| 429 | { |
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| 430 | if (!((MMURegs[z].Mask >> MomPMMU) & 1)) |
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| 431 | { |
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| 432 | WrStrErrorPos(ErrNum_InvPMMUReg, pArg); |
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| 433 | return False; |
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| 434 | } |
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| 435 | *pResult = MMURegs[z].Code; |
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| 436 | return CheckSup(MMURegs[z].Privileged, pArg); |
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| 437 | } |
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| 438 | WrStrErrorPos(ErrNum_InvPMMUReg, pArg); |
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| 439 | return False; |
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| 440 | } |
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| 441 | |||
| 442 | /*!------------------------------------------------------------------------ |
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| 443 | * \fn DecodeRegList(const tStrComp *pArg, Boolean BitRev, Byte *pResult) |
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| 444 | * \brief Decode Register List |
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| 445 | * \param pArg Source Argument |
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| 446 | * \param BitRev Reverse Bit Order, i.e. R0->Bit 7 ? |
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| 447 | * \param pResult Result Buffer |
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| 448 | * \return True if successfully parsed |
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| 449 | * ------------------------------------------------------------------------ */ |
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| 450 | |||
| 451 | static Boolean DecodeRegList(const tStrComp *pArg, Boolean BitRev, Byte *pResult) |
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| 452 | { |
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| 453 | tStrComp Part, Remainder; |
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| 454 | int l = strlen(pArg->str.p_str); |
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| 455 | Word Reg; |
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| 456 | char *pSep; |
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| 457 | |||
| 458 | if ((l < 2) |
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| 459 | || (pArg->str.p_str[0] != '[') |
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| 460 | || (pArg->str.p_str[l - 1] != ']')) |
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| 461 | { |
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| 462 | WrStrErrorPos(ErrNum_InvRegList, pArg); |
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| 463 | return False; |
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| 464 | } |
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| 465 | |||
| 466 | *pResult = 0; |
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| 467 | StrCompRefRight(&Part, pArg, 1); |
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| 468 | StrCompShorten(&Part, 1); |
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| 469 | while (True) |
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| 470 | { |
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| 471 | KillPrefBlanksStrCompRef(&Part); |
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| 472 | pSep = strchr(Part.str.p_str, ','); |
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| 473 | if (pSep) |
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| 474 | StrCompSplitRef(&Part, &Remainder, &Part, pSep); |
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| 475 | KillPostBlanksStrComp(&Part); |
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| 476 | if (DecodeReg(&Part, &Reg, NULL, eSymbolSize32Bit, True) != eIsReg) |
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| 477 | return False; |
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| 478 | if (Reg >= 8) |
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| 479 | { |
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| 480 | WrStrErrorPos(ErrNum_InvReg, &Part); |
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| 481 | return False; |
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| 482 | } |
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| 483 | *pResult |= 1 << (BitRev ? 7 - Reg : Reg); |
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| 484 | if (pSep) |
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| 485 | Part = Remainder; |
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| 486 | else |
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| 487 | break; |
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| 488 | } |
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| 489 | return True; |
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| 490 | } |
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| 491 | |||
| 492 | /*!------------------------------------------------------------------------ |
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| 493 | * \fn DecodeCfgList(const tStrComp *pArg, Byte *pResult) |
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| 494 | * \brief Decode Config Option List |
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| 495 | * \param pArg Source Argument |
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| 496 | * \param pResult Result Buffer |
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| 497 | * \return True if successfully parsed |
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| 498 | * ------------------------------------------------------------------------ */ |
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| 499 | |||
| 500 | static Boolean DecodeCfgList(const tStrComp *pArg, Byte *pResult) |
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| 501 | { |
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| 502 | tStrComp Part, Remainder; |
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| 503 | int l = strlen(pArg->str.p_str); |
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| 504 | char *pSep; |
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| 505 | const char Opts[] = "IFMC", *pOpt; |
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| 506 | |||
| 507 | if ((l < 2) |
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| 508 | || (pArg->str.p_str[0] != '[') |
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| 509 | || (pArg->str.p_str[l - 1] != ']')) |
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| 510 | { |
||
| 511 | WrStrErrorPos(ErrNum_InvCfgList, pArg); |
||
| 512 | return False; |
||
| 513 | } |
||
| 514 | |||
| 515 | *pResult = 0; |
||
| 516 | StrCompRefRight(&Part, pArg, 1); |
||
| 517 | StrCompShorten(&Part, 1); |
||
| 518 | while (True) |
||
| 519 | { |
||
| 520 | KillPrefBlanksStrCompRef(&Part); |
||
| 521 | pSep = strchr(Part.str.p_str, ','); |
||
| 522 | if (pSep) |
||
| 523 | StrCompSplitRef(&Part, &Remainder, &Part, pSep); |
||
| 524 | KillPostBlanksStrComp(&Part); |
||
| 525 | switch (strlen(Part.str.p_str)) |
||
| 526 | { |
||
| 527 | case 0: |
||
| 528 | break; |
||
| 529 | case 1: |
||
| 530 | pOpt = strchr(Opts, as_toupper(*Part.str.p_str)); |
||
| 531 | if (pOpt) |
||
| 532 | { |
||
| 533 | *pResult |= 1 << (pOpt - Opts); |
||
| 534 | break; |
||
| 535 | } |
||
| 536 | /* else fall-through */ |
||
| 537 | default: |
||
| 538 | WrStrErrorPos(ErrNum_InvCfgList, &Part); |
||
| 539 | return False; |
||
| 540 | } |
||
| 541 | if (pSep) |
||
| 542 | Part = Remainder; |
||
| 543 | else |
||
| 544 | break; |
||
| 545 | } |
||
| 546 | return True; |
||
| 547 | } |
||
| 548 | |||
| 549 | /*--------------------------------------------------------------------------*/ |
||
| 550 | /* Address Decoder */ |
||
| 551 | |||
| 552 | enum |
||
| 553 | { |
||
| 554 | AddrCode_Reg = 0x00, |
||
| 555 | AddrCode_Relative = 0x08, |
||
| 556 | AddrCode_MemRelative = 0x10, |
||
| 557 | AddrCode_Reserved = 0x13, |
||
| 558 | AddrCode_Immediate = 0x14, |
||
| 559 | AddrCode_Absolute = 0x15, |
||
| 560 | AddrCode_External = 0x16, |
||
| 561 | AddrCode_TOS = 0x17, |
||
| 562 | AddrCode_MemSpace = 0x18, |
||
| 563 | AddrCode_ScaledIndex = 0x1c |
||
| 564 | }; |
||
| 565 | |||
| 566 | typedef struct |
||
| 567 | { |
||
| 568 | Byte Code; |
||
| 569 | Byte Index[1], Disp[8]; |
||
| 570 | unsigned IndexCnt, DispCnt; |
||
| 571 | } tAdrVals; |
||
| 572 | |||
| 573 | static void ClearAdrVals(tAdrVals *pVals) |
||
| 574 | { |
||
| 575 | pVals->Code = AddrCode_Reserved; |
||
| 576 | pVals->IndexCnt = pVals->DispCnt = 0; |
||
| 577 | } |
||
| 578 | |||
| 579 | /*!------------------------------------------------------------------------ |
||
| 580 | * \fn EncodeDisplacement(LongInt Disp, tAdrVals *pDest, tErrorNum ErrorNum, const tStrComp *pArg) |
||
| 581 | * \brief encode signed displacement |
||
| 582 | * \param Disp displacement to encode |
||
| 583 | * \param pDest destination buffer |
||
| 584 | * \param ErrorNum error msg to print if out of range |
||
| 585 | * \param pArg source argument for error messages |
||
| 586 | * \return True if successfully encoded |
||
| 587 | * ------------------------------------------------------------------------ */ |
||
| 588 | |||
| 589 | static Boolean EncodeDisplacement(LongInt Disp, tAdrVals *pDest, tErrorNum ErrorNum, const tStrComp *pArg) |
||
| 590 | { |
||
| 591 | if ((Disp >= -64) && (Disp <= 63)) |
||
| 592 | { |
||
| 593 | pDest->Disp[pDest->DispCnt++] = Disp & 0x7f; |
||
| 594 | return True; |
||
| 595 | } |
||
| 596 | else if ((Disp >= -8192) && (Disp <= 8191)) |
||
| 597 | { |
||
| 598 | pDest->Disp[pDest->DispCnt++] = 0x80 | ((Disp >> 8) & 0x3f); |
||
| 599 | pDest->Disp[pDest->DispCnt++] = Disp & 0xff; |
||
| 600 | return True; |
||
| 601 | } |
||
| 602 | else if ((Disp >= -520093696) && (Disp <= 536870911)) |
||
| 603 | { |
||
| 604 | Byte HiByte = 0xc0 | ((Disp >> 24) & 0x3f); |
||
| 605 | |||
| 606 | if (HiByte == 0xe0) |
||
| 607 | goto error; |
||
| 608 | |||
| 609 | pDest->Disp[pDest->DispCnt++] = HiByte; |
||
| 610 | pDest->Disp[pDest->DispCnt++] = (Disp >> 16) & 0xff; |
||
| 611 | pDest->Disp[pDest->DispCnt++] = (Disp >> 8) & 0xff; |
||
| 612 | pDest->Disp[pDest->DispCnt++] = Disp & 0xff; |
||
| 613 | return True; |
||
| 614 | } |
||
| 615 | else |
||
| 616 | { |
||
| 617 | error: |
||
| 618 | WrStrErrorPos(ErrorNum, pArg); |
||
| 619 | return False; |
||
| 620 | } |
||
| 621 | } |
||
| 622 | |||
| 623 | /*!------------------------------------------------------------------------ |
||
| 624 | * \fn EncodePCRel(const tStrComp *pArg, tAdrVals *pDest) |
||
| 625 | * \brief PC-relative encoding of address |
||
| 626 | * \param pArg address in source |
||
| 627 | * \param pDest dest buffer |
||
| 628 | * \return True if success |
||
| 629 | * ------------------------------------------------------------------------ */ |
||
| 630 | |||
| 631 | static Boolean EncodePCRel(const tStrComp *pArg, tAdrVals *pDest) |
||
| 632 | { |
||
| 633 | tEvalResult EvalResult; |
||
| 634 | LongInt Dist = EvalStrIntExpressionWithResult(pArg, pCurrCPUProps->MemIntType, &EvalResult) - EProgCounter(); |
||
| 635 | |||
| 636 | ClearAdrVals(pDest); |
||
| 637 | if (!EvalResult.OK |
||
| 638 | || !EncodeDisplacement(Dist, pDest, mFirstPassUnknownOrQuestionable(EvalResult.Flags) ? ErrNum_None : ErrNum_JmpDistTooBig, pArg)) |
||
| 639 | return False; |
||
| 640 | |||
| 641 | pDest->Code = AddrCode_MemSpace + 3; |
||
| 642 | return True; |
||
| 643 | } |
||
| 644 | |||
| 645 | /*!------------------------------------------------------------------------ |
||
| 646 | * \fn DecodeAdr(tStrComp *pArg, tAdrVals *pDest, unsigned AddrModeMask) |
||
| 647 | * \brief decode address expression |
||
| 648 | * \param pArg source argument |
||
| 649 | * \param pDest dest buffer |
||
| 650 | * \param AddrModeMask allow immediate/register addressing? |
||
| 651 | * \return True if success |
||
| 652 | * ------------------------------------------------------------------------ */ |
||
| 653 | |||
| 654 | static Boolean DecodeAdr(const tStrComp *pArg, tAdrVals *pDest, Boolean AddrModeMask) |
||
| 655 | { |
||
| 656 | Byte IndexCode = 0; |
||
| 657 | Boolean OK, NeedEvenReg; |
||
| 658 | const Boolean IsFloat = (OpSize == eSymbolSizeFloat32Bit) || (OpSize == eSymbolSizeFloat64Bit); |
||
| 659 | Word RegValue, IndexReg = 0; |
||
| 660 | int ArgLen, SplitPos; |
||
| 661 | tStrComp BaseArg; |
||
| 662 | const char IndexChars[] = "BWDQ"; |
||
| 663 | char *pSplit, *pSplit2, Scale; |
||
| 664 | |||
| 665 | ClearAdrVals(pDest); |
||
| 666 | |||
| 667 | /* split off scaled indexing, which is orthogonal to (almost) all other modes */ |
||
| 668 | |||
| 669 | pSplit = MatchCharsRev(pArg->str.p_str, " : ? ] ", IndexChars, &Scale); |
||
| 670 | pSplit2 = (pSplit && (pSplit > pArg->str.p_str)) |
||
| 671 | ? FindOpeningParenthese(pArg->str.p_str, pSplit - 1, "[]") |
||
| 672 | : NULL; |
||
| 673 | if (pSplit && pSplit2) |
||
| 674 | { |
||
| 675 | tStrComp Mid, Right; |
||
| 676 | const char *pScaleIndex; |
||
| 677 | |||
| 678 | StrCompSplitRef(&BaseArg, &Right, pArg, pSplit); |
||
| 679 | StrCompSplitRef(&BaseArg, &Mid, &BaseArg, pSplit2); |
||
| 680 | KillPrefBlanksStrCompRef(&Mid); |
||
| 681 | KillPostBlanksStrComp(&BaseArg); |
||
| 682 | pArg = &BaseArg; |
||
| 683 | |||
| 684 | pScaleIndex = strchr(IndexChars, as_toupper(Scale)); |
||
| 685 | if (!pScaleIndex) |
||
| 686 | { |
||
| 687 | WrStrErrorPos(ErrNum_InvScale, &Right); |
||
| 688 | return False; |
||
| 689 | } |
||
| 690 | IndexCode = AddrCode_ScaledIndex + (pScaleIndex - IndexChars); |
||
| 691 | if ((DecodeReg(&Mid, &IndexReg, NULL, eSymbolSize32Bit, True) == eIsReg) |
||
| 692 | && (IndexReg >= 8)) |
||
| 693 | { |
||
| 694 | WrStrErrorPos(ErrNum_InvReg, &Mid); |
||
| 695 | return False; |
||
| 696 | } |
||
| 697 | |||
| 698 | /* Immediate cannot be combined with scaling, so disallow regardless of caller's |
||
| 699 | preference: */ |
||
| 700 | |||
| 701 | AddrModeMask &= ~MAllowImm; |
||
| 702 | } |
||
| 703 | |||
| 704 | /* absolute: */ |
||
| 705 | |||
| 706 | if (*pArg->str.p_str == '@') |
||
| 707 | { |
||
| 708 | tStrComp Arg; |
||
| 709 | LongWord Addr; |
||
| 710 | |||
| 711 | StrCompRefRight(&Arg, pArg, 1); |
||
| 712 | Addr = EvalStrIntExpression(&Arg, pCurrCPUProps->MemIntType, &OK); |
||
| 713 | if (!OK) |
||
| 714 | return False; |
||
| 715 | |||
| 716 | /* On a CPU with non-32-bit address bus, addresses @ the upper end may be encoded |
||
| 717 | as negative 'displacements': */ |
||
| 718 | |||
| 719 | if ((pCurrCPUProps->MemIntType == UInt24) |
||
| 720 | && (Addr & 0x800000ul)) |
||
| 721 | Addr |= 0xff000000ul; |
||
| 722 | if (EncodeDisplacement((LongInt)Addr, pDest, ErrNum_OverRange, &Arg)) |
||
| 723 | { |
||
| 724 | pDest->Code = AddrCode_Absolute; |
||
| 725 | goto chk; |
||
| 726 | } |
||
| 727 | else |
||
| 728 | return False; |
||
| 729 | } |
||
| 730 | |||
| 731 | /* TOS? */ |
||
| 732 | |||
| 733 | if (!as_strcasecmp(pArg->str.p_str, "TOS")) |
||
| 734 | { |
||
| 735 | pDest->Code = AddrCode_TOS; |
||
| 736 | goto chk; |
||
| 737 | } |
||
| 738 | |||
| 739 | /* register? */ |
||
| 740 | |||
| 741 | if (IsFloat) |
||
| 742 | NeedEvenReg = (OpSize == eSymbolSizeFloat64Bit) && (MomFPU < eFPU32181); |
||
| 743 | else |
||
| 744 | NeedEvenReg = !!(AddrModeMask & MAllowRegPair); |
||
| 745 | switch (DecodeReg(pArg, &RegValue, NULL, IsFloat ? OpSize : eSymbolSize32Bit, False)) |
||
| 746 | { |
||
| 747 | case eIsReg: |
||
| 748 | if (NeedEvenReg && (RegValue & 1)) |
||
| 749 | { |
||
| 750 | WrStrErrorPos(ErrNum_InvRegPair, pArg); |
||
| 751 | return False; |
||
| 752 | } |
||
| 753 | else if (!(AddrModeMask & (MAllowReg | MAllowRegPair))) |
||
| 754 | { |
||
| 755 | WrStrErrorPos(ErrNum_InvAddrMode, pArg); |
||
| 756 | return False; |
||
| 757 | } |
||
| 758 | else |
||
| 759 | { |
||
| 760 | pDest->Code = AddrCode_Reg + RegValue; |
||
| 761 | goto chk; |
||
| 762 | } |
||
| 763 | case eIsNoReg: |
||
| 764 | break; |
||
| 765 | default: |
||
| 766 | return False; |
||
| 767 | } |
||
| 768 | |||
| 769 | /* EXT mode */ |
||
| 770 | |||
| 771 | pSplit = MatchChars(pArg->str.p_str, " EXT ("); |
||
| 772 | if (pSplit) |
||
| 773 | { |
||
| 774 | tStrComp Left, Mid, Right; |
||
| 775 | LongInt Disp1, Disp2 = 0; |
||
| 776 | Boolean OK; |
||
| 777 | |||
| 778 | StrCompSplitRef(&Left, &Mid, pArg, pSplit - 1); |
||
| 779 | pSplit = FindClosingParenthese(Mid.str.p_str); |
||
| 780 | if (!pSplit) |
||
| 781 | { |
||
| 782 | WrStrErrorPos(ErrNum_BrackErr, pArg); |
||
| 783 | return False; |
||
| 784 | } |
||
| 785 | StrCompSplitRef(&Mid, &Right, &Mid, pSplit); |
||
| 786 | Disp1 = EvalStrIntExpression(&Mid, Int30, &OK); |
||
| 787 | if (!OK) |
||
| 788 | return False; |
||
| 789 | *(--Right.str.p_str) = '0'; Right.Pos.Len++; Right.Pos.StartCol--; |
||
| 790 | if (*Right.str.p_str) |
||
| 791 | Disp2 = EvalStrIntExpression(&Right, Int30, &OK); |
||
| 792 | if (!OK) |
||
| 793 | return False; |
||
| 794 | |||
| 795 | pDest->Code = AddrCode_External; |
||
| 796 | if (!EncodeDisplacement(Disp1, pDest, ErrNum_OverRange, &Mid) |
||
| 797 | || !EncodeDisplacement(Disp2, pDest, ErrNum_OverRange, &Right)) |
||
| 798 | return False; |
||
| 799 | goto chk; |
||
| 800 | } |
||
| 801 | |||
| 802 | /* PC-relative */ |
||
| 803 | |||
| 804 | if (!strcmp(pArg->str.p_str, "*") |
||
| 805 | || MatchChars(pArg->str.p_str, "* ?", "+-", NULL)) |
||
| 806 | { |
||
| 807 | LongInt Disp; |
||
| 808 | Boolean OK; |
||
| 809 | |||
| 810 | *pArg->str.p_str = '0'; |
||
| 811 | Disp = EvalStrIntExpression(pArg, Int30, &OK); |
||
| 812 | *pArg->str.p_str = '*'; |
||
| 813 | if (!OK |
||
| 814 | || !EncodeDisplacement(Disp, pDest, ErrNum_OverRange, pArg)) |
||
| 815 | return False; |
||
| 816 | pDest->Code = AddrCode_MemSpace + 3; |
||
| 817 | goto chk; |
||
| 818 | } |
||
| 819 | |||
| 820 | /* disp(...)? */ |
||
| 821 | |||
| 822 | SplitPos = FindDispBaseSplit(pArg->str.p_str, &ArgLen); |
||
| 823 | if (SplitPos >= 0) |
||
| 824 | { |
||
| 825 | tStrComp OutDisp, InnerArg; |
||
| 826 | LongInt OutDispVal; |
||
| 827 | tEvalResult OutEvalResult; |
||
| 828 | |||
| 829 | memset(&OutEvalResult, 0, sizeof(OutEvalResult)); |
||
| 830 | StrCompSplitRef(&OutDisp, &InnerArg, pArg, &pArg->str.p_str[SplitPos]); |
||
| 831 | if (OutDisp.Pos.Len) |
||
| 832 | { |
||
| 833 | OutDispVal = EvalStrIntExpressionWithResult(&OutDisp, Int30, &OutEvalResult); |
||
| 834 | if (!OutEvalResult.OK) |
||
| 835 | return False; |
||
| 836 | } |
||
| 837 | else |
||
| 838 | { |
||
| 839 | OutEvalResult.OK = True; |
||
| 840 | OutDispVal = 0; |
||
| 841 | } |
||
| 842 | |||
| 843 | StrCompShorten(&InnerArg, 1); |
||
| 844 | KillPrefBlanksStrCompRef(&InnerArg); |
||
| 845 | KillPostBlanksStrComp(&InnerArg); |
||
| 846 | switch (DecodeReg(&InnerArg, &RegValue, NULL, eSymbolSize32Bit, False)) |
||
| 847 | { |
||
| 848 | case eIsReg: /* disp(Rn/FP/SP/SB) */ |
||
| 849 | pDest->Code = (RegValue < 8) ? AddrCode_Relative + RegValue : AddrCode_MemSpace + (RegValue - 8); |
||
| 850 | if (!EncodeDisplacement(OutDispVal, pDest, ErrNum_OverRange, &OutDisp)) |
||
| 851 | return False; |
||
| 852 | goto chk; |
||
| 853 | IsPCRel: |
||
| 854 | if (EncodeDisplacement(OutDispVal - EProgCounter(), pDest, mFirstPassUnknownOrQuestionable(OutEvalResult.Flags) ? ErrNum_None : ErrNum_JmpDistTooBig, &OutDisp)) |
||
| 855 | pDest->Code = AddrCode_MemSpace + 3; |
||
| 856 | goto chk; |
||
| 857 | case eIsNoReg: |
||
| 858 | { |
||
| 859 | tStrComp InDisp; |
||
| 860 | LongInt InDispVal = 0; |
||
| 861 | |||
| 862 | if (!as_strcasecmp(InnerArg.str.p_str, "PC")) |
||
| 863 | goto IsPCRel; |
||
| 864 | |||
| 865 | SplitPos = FindDispBaseSplit(InnerArg.str.p_str, &ArgLen); |
||
| 866 | if (SplitPos < 0) |
||
| 867 | { |
||
| 868 | WrStrErrorPos(ErrNum_InvAddrMode, &InnerArg); |
||
| 869 | return False; |
||
| 870 | } |
||
| 871 | StrCompSplitRef(&InDisp, &InnerArg, &InnerArg, &InnerArg.str.p_str[SplitPos]); |
||
| 872 | if (InDisp.Pos.Len) |
||
| 873 | { |
||
| 874 | InDispVal = EvalStrIntExpression(&InDisp, Int30, &OK); |
||
| 875 | if (!OK) |
||
| 876 | return False; |
||
| 877 | } |
||
| 878 | |||
| 879 | StrCompShorten(&InnerArg, 1); |
||
| 880 | KillPrefBlanksStrCompRef(&InnerArg); |
||
| 881 | KillPostBlanksStrComp(&InnerArg); |
||
| 882 | |||
| 883 | /* disp2(disp1(ext)) is an alias for EXT(disp1)+disp2 */ |
||
| 884 | |||
| 885 | if (!as_strcasecmp(InnerArg.str.p_str, "EXT")) |
||
| 886 | { |
||
| 887 | pDest->Code = AddrCode_External; |
||
| 888 | } |
||
| 889 | |||
| 890 | /* disp2(disp1(FP/SP/SB)) */ |
||
| 891 | |||
| 892 | else |
||
| 893 | { |
||
| 894 | if (DecodeReg(&InnerArg, &RegValue, NULL, eSymbolSize32Bit, True) != eIsReg) |
||
| 895 | return False; |
||
| 896 | if (RegValue < 8) |
||
| 897 | { |
||
| 898 | WrStrErrorPos(ErrNum_InvReg, &InnerArg); |
||
| 899 | return False; |
||
| 900 | } |
||
| 901 | pDest->Code = AddrCode_MemRelative + (RegValue - 8); |
||
| 902 | } |
||
| 903 | if (!EncodeDisplacement(InDispVal, pDest, ErrNum_OverRange, &InDisp) |
||
| 904 | || !EncodeDisplacement(OutDispVal, pDest, ErrNum_OverRange, &OutDisp)) |
||
| 905 | return False; |
||
| 906 | goto chk; |
||
| 907 | } |
||
| 908 | default: |
||
| 909 | return False; |
||
| 910 | } |
||
| 911 | } |
||
| 912 | |||
| 913 | /* -> immediate or PC-relative */ |
||
| 914 | |||
| 915 | if (AddrModeMask & MAllowImm) |
||
| 916 | { |
||
| 917 | switch (OpSize) |
||
| 918 | { |
||
| 919 | case eSymbolSize8Bit: |
||
| 920 | pDest->Disp[0] = EvalStrIntExpression(pArg, Int8, &OK); |
||
| 921 | if (OK) |
||
| 922 | pDest->DispCnt = 1; |
||
| 923 | break; |
||
| 924 | case eSymbolSize16Bit: |
||
| 925 | { |
||
| 926 | Word Val = EvalStrIntExpression(pArg, Int16, &OK); |
||
| 927 | if (OK) |
||
| 928 | { |
||
| 929 | pDest->Disp[pDest->DispCnt++] = Hi(Val); |
||
| 930 | pDest->Disp[pDest->DispCnt++] = Lo(Val); |
||
| 931 | } |
||
| 932 | break; |
||
| 933 | } |
||
| 934 | case eSymbolSize32Bit: |
||
| 935 | { |
||
| 936 | LongWord Val = EvalStrIntExpression(pArg, Int32, &OK); |
||
| 937 | if (OK) |
||
| 938 | { |
||
| 939 | pDest->Disp[pDest->DispCnt++] = (Val >> 24) & 0xff; |
||
| 940 | pDest->Disp[pDest->DispCnt++] = (Val >> 16) & 0xff; |
||
| 941 | pDest->Disp[pDest->DispCnt++] = (Val >> 8) & 0xff; |
||
| 942 | pDest->Disp[pDest->DispCnt++] = (Val >> 0) & 0xff; |
||
| 943 | } |
||
| 944 | break; |
||
| 945 | } |
||
| 946 | case eSymbolSize64Bit: |
||
| 947 | { |
||
| 948 | LargeWord Val = EvalStrIntExpression(pArg, LargeIntType, &OK); |
||
| 949 | if (OK) |
||
| 950 | { |
||
| 951 | #ifdef HAS64 |
||
| 952 | pDest->Disp[pDest->DispCnt++] = (Val >> 56) & 0xff; |
||
| 953 | pDest->Disp[pDest->DispCnt++] = (Val >> 48) & 0xff; |
||
| 954 | pDest->Disp[pDest->DispCnt++] = (Val >> 40) & 0xff; |
||
| 955 | pDest->Disp[pDest->DispCnt++] = (Val >> 32) & 0xff; |
||
| 956 | #else |
||
| 957 | pDest->Disp[pDest->DispCnt + 0] = |
||
| 958 | pDest->Disp[pDest->DispCnt + 1] = |
||
| 959 | pDest->Disp[pDest->DispCnt + 2] = |
||
| 960 | pDest->Disp[pDest->DispCnt + 3] = (Val & 0x80000000ul) ? 0xff : 0x00; |
||
| 961 | pDest->DispCnt += 4; |
||
| 962 | #endif |
||
| 963 | pDest->Disp[pDest->DispCnt++] = (Val >> 24) & 0xff; |
||
| 964 | pDest->Disp[pDest->DispCnt++] = (Val >> 16) & 0xff; |
||
| 965 | pDest->Disp[pDest->DispCnt++] = (Val >> 8) & 0xff; |
||
| 966 | pDest->Disp[pDest->DispCnt++] = (Val >> 0) & 0xff; |
||
| 967 | } |
||
| 968 | break; |
||
| 969 | } |
||
| 970 | case eSymbolSizeFloat32Bit: |
||
| 971 | { |
||
| 972 | as_float_t Val = EvalStrFloatExpression(pArg, &OK); |
||
| 973 | if (OK) |
||
| 974 | { |
||
| 975 | int ret; |
||
| 976 | |||
| 977 | if ((ret = as_float_2_ieee4(Val, pDest->Disp, True)) < 0) |
||
| 978 | { |
||
| 979 | asmerr_check_fp_dispose_result(ret, pArg); |
||
| 980 | OK = False; |
||
| 981 | } |
||
| 982 | } |
||
| 983 | if (OK) |
||
| 984 | pDest->DispCnt = 4; |
||
| 985 | break; |
||
| 986 | } |
||
| 987 | case eSymbolSizeFloat64Bit: |
||
| 988 | { |
||
| 989 | as_float_t Val = EvalStrFloatExpression(pArg, &OK); |
||
| 990 | if (OK) |
||
| 991 | { |
||
| 992 | int ret; |
||
| 993 | |||
| 994 | if ((ret = as_float_2_ieee8(Val, pDest->Disp, True)) < 0) |
||
| 995 | { |
||
| 996 | asmerr_check_fp_dispose_result(ret, pArg); |
||
| 997 | OK = False; |
||
| 998 | } |
||
| 999 | } |
||
| 1000 | if (OK) |
||
| 1001 | pDest->DispCnt = 8; |
||
| 1002 | break; |
||
| 1003 | } |
||
| 1004 | default: |
||
| 1005 | WrStrErrorPos(ErrNum_UndefOpSizes, pArg); |
||
| 1006 | } |
||
| 1007 | if (pDest->DispCnt) |
||
| 1008 | pDest->Code = AddrCode_Immediate; |
||
| 1009 | else |
||
| 1010 | return False; |
||
| 1011 | } |
||
| 1012 | else if (!EncodePCRel(pArg, pDest)) |
||
| 1013 | return False; |
||
| 1014 | |||
| 1015 | chk: |
||
| 1016 | /* if we have an index code, check it's not immedate, otherwise relocate */ |
||
| 1017 | |||
| 1018 | if (IndexCode) |
||
| 1019 | { |
||
| 1020 | if (pDest->Code == AddrCode_Immediate) |
||
| 1021 | { |
||
| 1022 | WrStrErrorPos(ErrNum_InvAddrMode, pArg); |
||
| 1023 | return False; |
||
| 1024 | } |
||
| 1025 | pDest->Index[pDest->IndexCnt++] = (pDest->Code << 3) | IndexReg; |
||
| 1026 | pDest->Code = IndexCode; |
||
| 1027 | } |
||
| 1028 | return True; |
||
| 1029 | } |
||
| 1030 | |||
| 1031 | /*!------------------------------------------------------------------------ |
||
| 1032 | * \fn AppendIndex(const tAdrVals *pVals) |
||
| 1033 | * \brief append optional index byte to code |
||
| 1034 | * \param pVals encoded addressing mode |
||
| 1035 | * ------------------------------------------------------------------------ */ |
||
| 1036 | |||
| 1037 | static void AppendIndex(const tAdrVals *pVals) |
||
| 1038 | { |
||
| 1039 | if (pVals->IndexCnt) |
||
| 1040 | { |
||
| 1041 | memcpy(&BAsmCode[CodeLen], pVals->Index, pVals->IndexCnt); |
||
| 1042 | CodeLen += pVals->IndexCnt; |
||
| 1043 | } |
||
| 1044 | } |
||
| 1045 | |||
| 1046 | /*!------------------------------------------------------------------------ |
||
| 1047 | * \fn AppendDisp(const tAdrVals *pVals) |
||
| 1048 | * \brief append optional displacement to code |
||
| 1049 | * \param pVals encoded addressing mode |
||
| 1050 | * ------------------------------------------------------------------------ */ |
||
| 1051 | |||
| 1052 | static void AppendDisp(const tAdrVals *pVals) |
||
| 1053 | { |
||
| 1054 | if (pVals->DispCnt) |
||
| 1055 | { |
||
| 1056 | memcpy(&BAsmCode[CodeLen], pVals->Disp, pVals->DispCnt); |
||
| 1057 | CodeLen += pVals->DispCnt; |
||
| 1058 | } |
||
| 1059 | } |
||
| 1060 | |||
| 1061 | /*--------------------------------------------------------------------------*/ |
||
| 1062 | /* Helper Functions */ |
||
| 1063 | |||
| 1064 | /*!------------------------------------------------------------------------ |
||
| 1065 | * \fn SizeCodeI(tSymbolSize Size) |
||
| 1066 | * \brief transform (integer) operand size to i size in instruction |
||
| 1067 | * \param Size Operand Size |
||
| 1068 | * \return Size Code |
||
| 1069 | * ------------------------------------------------------------------------ */ |
||
| 1070 | |||
| 1071 | static LongWord SizeCodeI(tSymbolSize Size) |
||
| 1072 | { |
||
| 1073 | switch (Size) |
||
| 1074 | { |
||
| 1075 | case eSymbolSize8Bit: |
||
| 1076 | return 0; |
||
| 1077 | case eSymbolSize16Bit: |
||
| 1078 | return 1; |
||
| 1079 | case eSymbolSize32Bit: |
||
| 1080 | return 3; |
||
| 1081 | default: |
||
| 1082 | return 2; |
||
| 1083 | } |
||
| 1084 | } |
||
| 1085 | |||
| 1086 | /*!------------------------------------------------------------------------ |
||
| 1087 | * \fn SizeCodeF(tSymbolSize Size) |
||
| 1088 | * \brief transform (float) operand size to f size in instruction |
||
| 1089 | * \param Size Operand Size |
||
| 1090 | * \return Size Code |
||
| 1091 | * ------------------------------------------------------------------------ */ |
||
| 1092 | |||
| 1093 | static LongWord SizeCodeF(tSymbolSize Size) |
||
| 1094 | { |
||
| 1095 | switch (Size) |
||
| 1096 | { |
||
| 1097 | case eSymbolSizeFloat64Bit: |
||
| 1098 | return 0; |
||
| 1099 | case eSymbolSizeFloat32Bit: |
||
| 1100 | return 1; |
||
| 1101 | default: |
||
| 1102 | return 0xff; |
||
| 1103 | } |
||
| 1104 | } |
||
| 1105 | |||
| 1106 | /*!------------------------------------------------------------------------ |
||
| 1107 | * \fn SizeCodeC(tSymbolSize Size) |
||
| 1108 | * \brief transform (custom) operand size to c size in instruction |
||
| 1109 | * \param Size Operand Size |
||
| 1110 | * \return Size Code |
||
| 1111 | * ------------------------------------------------------------------------ */ |
||
| 1112 | |||
| 1113 | static LongWord SizeCodeC(tSymbolSize Size) |
||
| 1114 | { |
||
| 1115 | switch (Size) |
||
| 1116 | { |
||
| 1117 | case eSymbolSize64Bit: |
||
| 1118 | return 0; |
||
| 1119 | case eSymbolSize32Bit: |
||
| 1120 | return 1; |
||
| 1121 | default: |
||
| 1122 | return 0xff; |
||
| 1123 | } |
||
| 1124 | } |
||
| 1125 | |||
| 1126 | /*!------------------------------------------------------------------------ |
||
| 1127 | * \fn GetOpSizeFromCode(Word Code) |
||
| 1128 | * \brief get operand size of instruction from insn name |
||
| 1129 | * \param Code contains size in MSB |
||
| 1130 | * \return operand size |
||
| 1131 | * ------------------------------------------------------------------------ */ |
||
| 1132 | |||
| 1133 | static tSymbolSize GetOpSizeFromCode(Word Code) |
||
| 1134 | { |
||
| 1135 | Byte Size = Hi(Code) & 15; |
||
| 1136 | |||
| 1137 | return (Size == 0xff) ? eSymbolSizeUnknown : (tSymbolSize)Size; |
||
| 1138 | } |
||
| 1139 | |||
| 1140 | /*!------------------------------------------------------------------------ |
||
| 1141 | * \fn SetOpSizeFromCode(Word Code) |
||
| 1142 | * \brief set operand size of instruction from insn code MSB |
||
| 1143 | * \param Code contains size in MSB |
||
| 1144 | * \return True if success |
||
| 1145 | * ------------------------------------------------------------------------ */ |
||
| 1146 | |||
| 1147 | static Boolean SetOpSizeFromCode(Word Code) |
||
| 1148 | { |
||
| 1149 | return SetOpSize(GetOpSizeFromCode(Code), &OpPart); |
||
| 1150 | } |
||
| 1151 | |||
| 1152 | /*!------------------------------------------------------------------------ |
||
| 1153 | * \fn SetFOpSizeFromCode(Word Code) |
||
| 1154 | * \brief set FP operand size of instruction from insn code |
||
| 1155 | * \param Code contains size in LSB |
||
| 1156 | * \return True if success |
||
| 1157 | * ------------------------------------------------------------------------ */ |
||
| 1158 | |||
| 1159 | static Boolean SetFOpSizeFromCode(Word Code) |
||
| 1160 | { |
||
| 1161 | return SetOpSize((Code & 1) ? eSymbolSizeFloat32Bit : eSymbolSizeFloat64Bit, &OpPart); |
||
| 1162 | } |
||
| 1163 | |||
| 1164 | /*!------------------------------------------------------------------------ |
||
| 1165 | * \fn SetCOpSizeFromCode(Word Code) |
||
| 1166 | * \brief set custom operand size of instruction from insn code |
||
| 1167 | * \param Code contains size in LSB |
||
| 1168 | * \return True if success |
||
| 1169 | * ------------------------------------------------------------------------ */ |
||
| 1170 | |||
| 1171 | static Boolean SetCOpSizeFromCode(Word Code) |
||
| 1172 | { |
||
| 1173 | return SetOpSize((Code & 1) ? eSymbolSize32Bit : eSymbolSize64Bit, &OpPart); |
||
| 1174 | } |
||
| 1175 | |||
| 1176 | /*!------------------------------------------------------------------------ |
||
| 1177 | * \fn PutCode(LongWord Code, unsigned Count) |
||
| 1178 | * \brief write instruction opcode to output |
||
| 1179 | * \param Code opcode to write |
||
| 1180 | * \param Count # of bytes to write |
||
| 1181 | * ------------------------------------------------------------------------ */ |
||
| 1182 | |||
| 1183 | static void PutCode(LongWord Code, unsigned Count) |
||
| 1184 | { |
||
| 1185 | BAsmCode[CodeLen++] = Code & 0xff; |
||
| 1186 | while (Count > 1) |
||
| 1187 | { |
||
| 1188 | Code >>= 8; |
||
| 1189 | Count--; |
||
| 1190 | BAsmCode[CodeLen++] = Code & 0xff; |
||
| 1191 | } |
||
| 1192 | } |
||
| 1193 | |||
| 1194 | /*!------------------------------------------------------------------------ |
||
| 1195 | * \fn ChkNoAttrPart(void) |
||
| 1196 | * \brief check for no attribute part |
||
| 1197 | * \return True if no attribute |
||
| 1198 | * ------------------------------------------------------------------------ */ |
||
| 1199 | |||
| 1200 | static Boolean ChkNoAttrPart(void) |
||
| 1201 | { |
||
| 1202 | if (*AttrPart.str.p_str) |
||
| 1203 | { |
||
| 1204 | WrError(ErrNum_UseLessAttr); |
||
| 1205 | return False; |
||
| 1206 | } |
||
| 1207 | return True; |
||
| 1208 | } |
||
| 1209 | |||
| 1210 | /*--------------------------------------------------------------------------*/ |
||
| 1211 | /* Instruction De/Encoders */ |
||
| 1212 | |||
| 1213 | /*!------------------------------------------------------------------------ |
||
| 1214 | * \fn DecodeFixed(Word Code) |
||
| 1215 | * \brief decode instructions without argument |
||
| 1216 | * \param Code machine code |
||
| 1217 | * ------------------------------------------------------------------------ */ |
||
| 1218 | |||
| 1219 | static void DecodeFixed(Word Code) |
||
| 1220 | { |
||
| 1221 | if (ChkArgCnt(0, 0)) |
||
| 1222 | PutCode(Code, !!Hi(Code)); |
||
| 1223 | } |
||
| 1224 | |||
| 1225 | /*!------------------------------------------------------------------------ |
||
| 1226 | * \fn DecodeFormat0(Word Code) |
||
| 1227 | * \brief Decode Format 0 Instructions |
||
| 1228 | * \param Code machine code |
||
| 1229 | * ------------------------------------------------------------------------ */ |
||
| 1230 | |||
| 1231 | static void DecodeFormat0(Word Code) |
||
| 1232 | { |
||
| 1233 | tAdrVals AdrVals; |
||
| 1234 | |||
| 1235 | ClearAdrVals(&AdrVals); |
||
| 1236 | if (ChkArgCnt(1, 1) |
||
| 1237 | && ChkNoAttrPart() |
||
| 1238 | && EncodePCRel(&ArgStr[1], &AdrVals)) |
||
| 1239 | { |
||
| 1240 | PutCode(Code, 1); |
||
| 1241 | AppendDisp(&AdrVals); |
||
| 1242 | } |
||
| 1243 | } |
||
| 1244 | |||
| 1245 | /*!------------------------------------------------------------------------ |
||
| 1246 | * \fn DecodeRET(Word Code) |
||
| 1247 | * \brief Decode RET/RETT/RXP Instructions |
||
| 1248 | * \param Code Machine Code |
||
| 1249 | * ------------------------------------------------------------------------ */ |
||
| 1250 | |||
| 1251 | static void DecodeRET(Word Code) |
||
| 1252 | { |
||
| 1253 | if (ChkArgCnt(0, 1) |
||
| 1254 | && ChkNoAttrPart()) |
||
| 1255 | { |
||
| 1256 | tEvalResult EvalResult; |
||
| 1257 | LongInt Value; |
||
| 1258 | tAdrVals AdrVals; |
||
| 1259 | |||
| 1260 | if (ArgCnt >= 1) |
||
| 1261 | Value = EvalStrIntExpressionWithResult(&ArgStr[1], SInt30, &EvalResult); |
||
| 1262 | else |
||
| 1263 | { |
||
| 1264 | Value = 0; |
||
| 1265 | EvalResult.OK = True; |
||
| 1266 | EvalResult.Flags = eSymbolFlag_None; |
||
| 1267 | } |
||
| 1268 | |||
| 1269 | ClearAdrVals(&AdrVals); |
||
| 1270 | if (EncodeDisplacement(Value, &AdrVals, mFirstPassUnknownOrQuestionable(EvalResult.Flags) ? ErrNum_None : ErrNum_OverRange, &ArgStr[1])) |
||
| 1271 | { |
||
| 1272 | PutCode(Code, 1); |
||
| 1273 | AppendDisp(&AdrVals); |
||
| 1274 | } |
||
| 1275 | } |
||
| 1276 | } |
||
| 1277 | |||
| 1278 | /*!------------------------------------------------------------------------ |
||
| 1279 | * \fn DecodeCXP(Word Code) |
||
| 1280 | * \brief Handle CXP Instruction |
||
| 1281 | * \param Code machine code |
||
| 1282 | * ------------------------------------------------------------------------ */ |
||
| 1283 | |||
| 1284 | static void DecodeCXP(Word Code) |
||
| 1285 | { |
||
| 1286 | if (ChkArgCnt(1, 1) |
||
| 1287 | && ChkNoAttrPart()) |
||
| 1288 | { |
||
| 1289 | tEvalResult EvalResult; |
||
| 1290 | LongInt Value = EvalStrIntExpressionWithResult(&ArgStr[1], SInt30, &EvalResult); |
||
| 1291 | tAdrVals AdrVals; |
||
| 1292 | |||
| 1293 | ClearAdrVals(&AdrVals); |
||
| 1294 | if (EncodeDisplacement(Value, &AdrVals, mFirstPassUnknownOrQuestionable(EvalResult.Flags) ? ErrNum_None : ErrNum_OverRange, &ArgStr[1])) |
||
| 1295 | { |
||
| 1296 | PutCode(Code, 1); |
||
| 1297 | AppendDisp(&AdrVals); |
||
| 1298 | } |
||
| 1299 | } |
||
| 1300 | } |
||
| 1301 | |||
| 1302 | /*!------------------------------------------------------------------------ |
||
| 1303 | * \fn DecodeENTER(Word Code) |
||
| 1304 | * \brief Handle ENTER Instruction (Format 1) |
||
| 1305 | * \param Code machine code |
||
| 1306 | * ------------------------------------------------------------------------ */ |
||
| 1307 | |||
| 1308 | static void DecodeENTER(Word Code) |
||
| 1309 | { |
||
| 1310 | Byte RegList; |
||
| 1311 | |||
| 1312 | if (ChkArgCnt(2, 2) |
||
| 1313 | && ChkNoAttrPart() |
||
| 1314 | && DecodeRegList(&ArgStr[1], False, &RegList)) |
||
| 1315 | { |
||
| 1316 | tEvalResult EvalResult; |
||
| 1317 | LongInt Value = EvalStrIntExpressionWithResult(&ArgStr[2], SInt30, &EvalResult); |
||
| 1318 | tAdrVals AdrVals; |
||
| 1319 | |||
| 1320 | ClearAdrVals(&AdrVals); |
||
| 1321 | if (EncodeDisplacement(Value, &AdrVals, mFirstPassUnknownOrQuestionable(EvalResult.Flags) ? ErrNum_None : ErrNum_OverRange, &ArgStr[1])) |
||
| 1322 | { |
||
| 1323 | PutCode(Code, 1); |
||
| 1324 | BAsmCode[CodeLen++] = RegList; |
||
| 1325 | AppendDisp(&AdrVals); |
||
| 1326 | } |
||
| 1327 | } |
||
| 1328 | } |
||
| 1329 | |||
| 1330 | /*!------------------------------------------------------------------------ |
||
| 1331 | * \fn DecodeEXIT(Word Code) |
||
| 1332 | * \brief Handle EXIT Instruction (Format 1) |
||
| 1333 | * \param Code machine code |
||
| 1334 | * ------------------------------------------------------------------------ */ |
||
| 1335 | |||
| 1336 | static void DecodeEXIT(Word Code) |
||
| 1337 | { |
||
| 1338 | Byte RegList; |
||
| 1339 | |||
| 1340 | if (ChkArgCnt(1, 1) |
||
| 1341 | && ChkNoAttrPart() |
||
| 1342 | && DecodeRegList(&ArgStr[1], True, &RegList)) |
||
| 1343 | { |
||
| 1344 | PutCode(Code, 1); |
||
| 1345 | BAsmCode[CodeLen++] = RegList; |
||
| 1346 | } |
||
| 1347 | } |
||
| 1348 | |||
| 1349 | /*!------------------------------------------------------------------------ |
||
| 1350 | * \fn DecodeSAVE_RESTORE(Word Code) |
||
| 1351 | * \brief Decode SAVE/RESTORE Instructions |
||
| 1352 | * \param Code Machine Code |
||
| 1353 | * ------------------------------------------------------------------------ */ |
||
| 1354 | |||
| 1355 | static void DecodeSAVE_RESTORE(Word Code) |
||
| 1356 | { |
||
| 1357 | Byte RegList; |
||
| 1358 | |||
| 1359 | if (ChkArgCnt(1, 1) |
||
| 1360 | && ChkNoAttrPart() |
||
| 1361 | && DecodeRegList(&ArgStr[1], !!(Code & 0x10), &RegList)) |
||
| 1362 | { |
||
| 1363 | PutCode(Code, 1); |
||
| 1364 | PutCode(RegList, 1); |
||
| 1365 | } |
||
| 1366 | } |
||
| 1367 | |||
| 1368 | /*!------------------------------------------------------------------------ |
||
| 1369 | * \fn DecodeCINV(Word Code) |
||
| 1370 | * \brief handle CINV instruction |
||
| 1371 | * \param Code machine code |
||
| 1372 | * ------------------------------------------------------------------------ */ |
||
| 1373 | |||
| 1374 | static void DecodeCINV(Word Code) |
||
| 1375 | { |
||
| 1376 | tAdrVals AdrVals; |
||
| 1377 | |||
| 1378 | if (ChkArgCnt(2, 4) |
||
| 1379 | && ChkNoAttrPart() |
||
| 1380 | && CheckCore(1 << eCoreGen2) |
||
| 1381 | && CheckSup(True, &OpPart) |
||
| 1382 | && DecodeAdr(&ArgStr[ArgCnt], &AdrVals, MAllowReg)) |
||
| 1383 | { |
||
| 1384 | LongWord ActCode = (((LongWord)AdrVals.Code) << 19) |
||
| 1385 | | Code; |
||
| 1386 | int z; |
||
| 1387 | |||
| 1388 | for (z = 1; z < ArgCnt; z++) |
||
| 1389 | if (!as_strcasecmp(ArgStr[z].str.p_str, "A")) |
||
| 1390 | ActCode |= 1ul << 17; |
||
| 1391 | else if (!as_strcasecmp(ArgStr[z].str.p_str, "I")) |
||
| 1392 | ActCode |= 1ul << 16; |
||
| 1393 | else if (!as_strcasecmp(ArgStr[z].str.p_str, "D")) |
||
| 1394 | ActCode |= 1ul << 15; |
||
| 1395 | else |
||
| 1396 | { |
||
| 1397 | WrStrErrorPos(ErrNum_InvCacheInvMode, &ArgStr[z]); |
||
| 1398 | return; |
||
| 1399 | } |
||
| 1400 | PutCode(ActCode, 3); |
||
| 1401 | AppendIndex(&AdrVals); |
||
| 1402 | AppendDisp(&AdrVals); |
||
| 1403 | } |
||
| 1404 | } |
||
| 1405 | |||
| 1406 | /*!------------------------------------------------------------------------ |
||
| 1407 | * \fn DecodeLPR_SPR(Word Code) |
||
| 1408 | * \brief Decode LPR/SPR Instructions (Format 2) |
||
| 1409 | * \param Code Machine Code & Operand Size |
||
| 1410 | * ------------------------------------------------------------------------ */ |
||
| 1411 | |||
| 1412 | static void DecodeLPR_SPR(Word Code) |
||
| 1413 | { |
||
| 1414 | tAdrVals SrcAdrVals; |
||
| 1415 | Word Reg; |
||
| 1416 | Boolean IsSPR = (Lo(Code) == 2); |
||
| 1417 | |||
| 1418 | if (ChkArgCnt(2, 2) |
||
| 1419 | && ChkNoAttrPart() |
||
| 1420 | && SetOpSizeFromCode(Code) |
||
| 1421 | && DecodeAdr(&ArgStr[2], &SrcAdrVals, MAllowReg | (IsSPR ? 0 : MAllowImm)) |
||
| 1422 | && DecodeCtlReg(&ArgStr[1], &Reg)) |
||
| 1423 | { |
||
| 1424 | PutCode((((Word)SrcAdrVals.Code) << 11) |
||
| 1425 | | (Reg << 7) |
||
| 1426 | | (Lo(Code) << 4) |
||
| 1427 | | (SizeCodeI(OpSize) << 0) |
||
| 1428 | | 0x0c, 2); |
||
| 1429 | AppendIndex(&SrcAdrVals); |
||
| 1430 | AppendDisp(&SrcAdrVals); |
||
| 1431 | } |
||
| 1432 | } |
||
| 1433 | |||
| 1434 | /*!------------------------------------------------------------------------ |
||
| 1435 | * \fn DecodeScond(Word Code) |
||
| 1436 | * \brief Handloe Scond Instructions |
||
| 1437 | * \param Code condition & operand size |
||
| 1438 | * ------------------------------------------------------------------------ */ |
||
| 1439 | |||
| 1440 | static void DecodeScond(Word Code) |
||
| 1441 | { |
||
| 1442 | tAdrVals AdrVals; |
||
| 1443 | |||
| 1444 | if (ChkArgCnt(1, 1) |
||
| 1445 | && ChkNoAttrPart() |
||
| 1446 | && SetOpSizeFromCode(Code) |
||
| 1447 | && DecodeAdr(&ArgStr[1], &AdrVals, MAllowReg)) |
||
| 1448 | { |
||
| 1449 | PutCode((((Word)AdrVals.Code) << 11) |
||
| 1450 | | ((Code & 0xff) << 7) |
||
| 1451 | | (SizeCodeI(OpSize) << 0) |
||
| 1452 | | 0x3c, 2); |
||
| 1453 | AppendIndex(&AdrVals); |
||
| 1454 | AppendDisp(&AdrVals); |
||
| 1455 | } |
||
| 1456 | } |
||
| 1457 | |||
| 1458 | /*!------------------------------------------------------------------------ |
||
| 1459 | * \fn DecodeMOVQ(Word Code) |
||
| 1460 | * \brief Handle MOVQ/ADDQ/CMPQ Instructions |
||
| 1461 | * \param Code Machine Code & Operand Size |
||
| 1462 | * ------------------------------------------------------------------------ */ |
||
| 1463 | |||
| 1464 | #define MOVQ_DESTMAYIMM 0x80 |
||
| 1465 | |||
| 1466 | static void DecodeMOVQ(Word Code) |
||
| 1467 | { |
||
| 1468 | tAdrVals DestAdrVals; |
||
| 1469 | Boolean DestMayImm = !!(Code & MOVQ_DESTMAYIMM); |
||
| 1470 | |||
| 1471 | Code &= ~MOVQ_DESTMAYIMM; |
||
| 1472 | if (ChkArgCnt(2, 2) |
||
| 1473 | && ChkNoAttrPart() |
||
| 1474 | && SetOpSizeFromCode(Code) |
||
| 1475 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg | (DestMayImm ? MAllowImm : 0))) |
||
| 1476 | { |
||
| 1477 | Boolean OK; |
||
| 1478 | Integer Val = EvalStrIntExpression(&ArgStr[1], SInt4, &OK); |
||
| 1479 | |||
| 1480 | if (OK) |
||
| 1481 | { |
||
| 1482 | PutCode((((Word)DestAdrVals.Code) << 11) |
||
| 1483 | | ((Val & 0x0f) << 7) |
||
| 1484 | | (Lo(Code) << 4) |
||
| 1485 | | (SizeCodeI(OpSize) << 0) |
||
| 1486 | | 0x0c, 2); |
||
| 1487 | AppendIndex(&DestAdrVals); |
||
| 1488 | AppendDisp(&DestAdrVals); |
||
| 1489 | } |
||
| 1490 | } |
||
| 1491 | } |
||
| 1492 | |||
| 1493 | /*!------------------------------------------------------------------------ |
||
| 1494 | * \fn DecodeACB(Word Code) |
||
| 1495 | * \brief handle ACBi Instrucion |
||
| 1496 | * \param Code machine code & operand size |
||
| 1497 | * ------------------------------------------------------------------------ */ |
||
| 1498 | |||
| 1499 | static void DecodeACB(Word Code) |
||
| 1500 | { |
||
| 1501 | tAdrVals DestAdrVals; |
||
| 1502 | |||
| 1503 | if (ChkArgCnt(3, 3) |
||
| 1504 | && ChkNoAttrPart() |
||
| 1505 | && SetOpSizeFromCode(Code) |
||
| 1506 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 1507 | { |
||
| 1508 | Boolean OK; |
||
| 1509 | tAdrVals DistAdrVals; |
||
| 1510 | Integer Val = EvalStrIntExpression(&ArgStr[1], SInt4, &OK); |
||
| 1511 | |||
| 1512 | if (OK && EncodePCRel(&ArgStr[3], &DistAdrVals)) |
||
| 1513 | { |
||
| 1514 | PutCode((((Word)DestAdrVals.Code) << 11) |
||
| 1515 | | ((Val & 0x0f) << 7) |
||
| 1516 | | (Lo(Code) << 4) |
||
| 1517 | | (SizeCodeI(OpSize) << 0) |
||
| 1518 | | 0x0c, 2); |
||
| 1519 | AppendIndex(&DestAdrVals); |
||
| 1520 | AppendDisp(&DestAdrVals); |
||
| 1521 | AppendDisp(&DistAdrVals); |
||
| 1522 | } |
||
| 1523 | } |
||
| 1524 | } |
||
| 1525 | |||
| 1526 | /*!------------------------------------------------------------------------ |
||
| 1527 | * \fn DecodeFormat3(Word Code) |
||
| 1528 | * \brief Decode Format 3 Instructions |
||
| 1529 | * \param Code Machine Code |
||
| 1530 | * ------------------------------------------------------------------------ */ |
||
| 1531 | |||
| 1532 | static void DecodeFormat3(Word Code) |
||
| 1533 | { |
||
| 1534 | tAdrVals AdrVals; |
||
| 1535 | |||
| 1536 | if (ChkArgCnt(1, 1) |
||
| 1537 | && ChkNoAttrPart() |
||
| 1538 | && SetOpSizeFromCode(Code) |
||
| 1539 | && DecodeAdr(&ArgStr[1], &AdrVals, MAllowReg | MAllowImm)) |
||
| 1540 | { |
||
| 1541 | PutCode((((Word)AdrVals.Code) << 11) |
||
| 1542 | | (Lo(Code) << 7) |
||
| 1543 | | (SizeCodeI(OpSize) << 0) |
||
| 1544 | | 0x7c, 2); |
||
| 1545 | AppendIndex(&AdrVals); |
||
| 1546 | AppendDisp(&AdrVals); |
||
| 1547 | } |
||
| 1548 | } |
||
| 1549 | |||
| 1550 | /*!------------------------------------------------------------------------ |
||
| 1551 | * \fn DecodeFormat4(Word Code) |
||
| 1552 | * \brief decode Format 4 instructions |
||
| 1553 | * \param Code machine code |
||
| 1554 | * ------------------------------------------------------------------------ */ |
||
| 1555 | |||
| 1556 | #define FMT4_SRCISADDR 0x80 |
||
| 1557 | #define FMT4_DESTMAYIMM 0x40 |
||
| 1558 | |||
| 1559 | static void DecodeFormat4(Word Code) |
||
| 1560 | { |
||
| 1561 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 1562 | Boolean SrcIsAddr = !!(Code & FMT4_SRCISADDR), |
||
| 1563 | DestMayImm = !!(Code & FMT4_DESTMAYIMM); |
||
| 1564 | |||
| 1565 | Code &= ~(FMT4_SRCISADDR | FMT4_DESTMAYIMM); |
||
| 1566 | if (ChkArgCnt(2, 2) |
||
| 1567 | && ChkNoAttrPart() |
||
| 1568 | && SetOpSizeFromCode(Code) |
||
| 1569 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | (SrcIsAddr ? 0 : MAllowImm)) |
||
| 1570 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg | (DestMayImm ? MAllowImm : 0))) |
||
| 1571 | { |
||
| 1572 | PutCode((((Word)SrcAdrVals.Code) << 11) |
||
| 1573 | | (((Word)DestAdrVals.Code) << 6) |
||
| 1574 | | (Lo(Code) << 2) |
||
| 1575 | | (SizeCodeI(OpSize)), 2); |
||
| 1576 | AppendIndex(&SrcAdrVals); |
||
| 1577 | AppendIndex(&DestAdrVals); |
||
| 1578 | AppendDisp(&SrcAdrVals); |
||
| 1579 | AppendDisp(&DestAdrVals); |
||
| 1580 | } |
||
| 1581 | } |
||
| 1582 | |||
| 1583 | /*!------------------------------------------------------------------------ |
||
| 1584 | * \fn DecodeMOVS_CMPS_SKPS(Word Code) |
||
| 1585 | * \brief Handle MOVSi/CMPSi/SKPSi Instructions (Format 5) |
||
| 1586 | * \param Code machine code & operand size |
||
| 1587 | * ------------------------------------------------------------------------ */ |
||
| 1588 | |||
| 1589 | static void DecodeMOVS_CMPS_SKPS(Word Code) |
||
| 1590 | { |
||
| 1591 | if (ChkArgCnt(0, 2) |
||
| 1592 | && ChkNoAttrPart() |
||
| 1593 | && SetOpSizeFromCode(Code)) |
||
| 1594 | { |
||
| 1595 | Byte Options = 0; |
||
| 1596 | int z; |
||
| 1597 | |||
| 1598 | for (z = 1; z <= ArgCnt; z++) |
||
| 1599 | { |
||
| 1600 | if (!as_strcasecmp(ArgStr[z].str.p_str, "B")) |
||
| 1601 | Options |= 1; |
||
| 1602 | else if (!as_strcasecmp(ArgStr[z].str.p_str, "U")) |
||
| 1603 | { |
||
| 1604 | if (Options & 6) |
||
| 1605 | { |
||
| 1606 | WrStrErrorPos(ErrNum_ConfStringOpt, &ArgStr[z]); |
||
| 1607 | return; |
||
| 1608 | } |
||
| 1609 | else |
||
| 1610 | Options |= 6; |
||
| 1611 | } |
||
| 1612 | else if (!as_strcasecmp(ArgStr[z].str.p_str, "W")) |
||
| 1613 | { |
||
| 1614 | if (Options & 6) |
||
| 1615 | { |
||
| 1616 | WrStrErrorPos(ErrNum_ConfStringOpt, &ArgStr[z]); |
||
| 1617 | return; |
||
| 1618 | } |
||
| 1619 | else |
||
| 1620 | Options |= 2; |
||
| 1621 | } |
||
| 1622 | else |
||
| 1623 | { |
||
| 1624 | WrStrErrorPos(ErrNum_UnknownStringOpt, &ArgStr[z]); |
||
| 1625 | return; |
||
| 1626 | } |
||
| 1627 | } |
||
| 1628 | PutCode((((LongWord)Options) << 16) |
||
| 1629 | | ((Code & 0xff) << 10) |
||
| 1630 | | (SizeCodeI(OpSize) << 8) |
||
| 1631 | | 0x0e, 3); |
||
| 1632 | } |
||
| 1633 | } |
||
| 1634 | |||
| 1635 | /*!------------------------------------------------------------------------ |
||
| 1636 | * \fn DecodeSETCFG(Word Code) |
||
| 1637 | * \brief Handle SETCFG Instruction |
||
| 1638 | * \param Code machine code |
||
| 1639 | * ------------------------------------------------------------------------ */ |
||
| 1640 | |||
| 1641 | static void DecodeSETCFG(Word Code) |
||
| 1642 | { |
||
| 1643 | Byte CfgOpts; |
||
| 1644 | |||
| 1645 | if (ChkArgCnt(1, 1) |
||
| 1646 | && ChkNoAttrPart() |
||
| 1647 | && CheckSup(True, &OpPart) |
||
| 1648 | && DecodeCfgList(&ArgStr[1], &CfgOpts)) |
||
| 1649 | PutCode((((LongWord)CfgOpts) << 15) |
||
| 1650 | | Code, 3); |
||
| 1651 | } |
||
| 1652 | |||
| 1653 | /*!------------------------------------------------------------------------ |
||
| 1654 | * \fn DecodeFormat6(Word Code) |
||
| 1655 | * \brief Decode Format 6 Instructions |
||
| 1656 | * \param Code machine code |
||
| 1657 | * ------------------------------------------------------------------------ */ |
||
| 1658 | |||
| 1659 | #define FMT6_SRC8BIT 0x80 |
||
| 1660 | |||
| 1661 | static void DecodeFormat6(Word Code) |
||
| 1662 | { |
||
| 1663 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 1664 | Boolean SrcIs8Bit = !!(Code & FMT6_SRC8BIT); |
||
| 1665 | |||
| 1666 | Code &= ~FMT6_SRC8BIT; |
||
| 1667 | if (ChkArgCnt(2, 2) |
||
| 1668 | && ChkNoAttrPart() |
||
| 1669 | && SetOpSizeFromCode(SrcIs8Bit ? 0x0000 : Code) |
||
| 1670 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 1671 | && ResetOpSize() && SetOpSizeFromCode(Code) |
||
| 1672 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 1673 | { |
||
| 1674 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 1675 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 1676 | | (Lo(Code) << 10) |
||
| 1677 | | (SizeCodeI(OpSize) << 8) |
||
| 1678 | | 0x4e, 3); |
||
| 1679 | AppendIndex(&SrcAdrVals); |
||
| 1680 | AppendIndex(&DestAdrVals); |
||
| 1681 | AppendDisp(&SrcAdrVals); |
||
| 1682 | AppendDisp(&DestAdrVals); |
||
| 1683 | } |
||
| 1684 | } |
||
| 1685 | |||
| 1686 | /*!------------------------------------------------------------------------ |
||
| 1687 | * \fn DecodeFormat7(Word Code) |
||
| 1688 | * \brief Decode Format 7 Instructions |
||
| 1689 | * \param Code machine code |
||
| 1690 | * ------------------------------------------------------------------------ */ |
||
| 1691 | |||
| 1692 | static void DecodeFormat7(Word Code) |
||
| 1693 | { |
||
| 1694 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 1695 | |||
| 1696 | if (ChkArgCnt(2, 2) |
||
| 1697 | && ChkNoAttrPart() |
||
| 1698 | && SetOpSizeFromCode(Code) |
||
| 1699 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 1700 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 1701 | { |
||
| 1702 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 1703 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 1704 | | (Lo(Code) << 10) |
||
| 1705 | | (SizeCodeI(OpSize) << 8) |
||
| 1706 | | 0xce, 3); |
||
| 1707 | AppendIndex(&SrcAdrVals); |
||
| 1708 | AppendIndex(&DestAdrVals); |
||
| 1709 | AppendDisp(&SrcAdrVals); |
||
| 1710 | AppendDisp(&DestAdrVals); |
||
| 1711 | } |
||
| 1712 | } |
||
| 1713 | |||
| 1714 | /*!------------------------------------------------------------------------ |
||
| 1715 | * \fn DecodeMOVM_CMPM(Word Code) |
||
| 1716 | * \brief Decode MOVMi/CMPMi Instruction (Format 7) |
||
| 1717 | * \param Code machine code & size |
||
| 1718 | * ------------------------------------------------------------------------ */ |
||
| 1719 | |||
| 1720 | static void DecodeMOVM_CMPM(Word Code) |
||
| 1721 | { |
||
| 1722 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 1723 | |||
| 1724 | if (ChkArgCnt(3, 3) |
||
| 1725 | && ChkNoAttrPart() |
||
| 1726 | && SetOpSizeFromCode(Code) |
||
| 1727 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg) |
||
| 1728 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 1729 | { |
||
| 1730 | tEvalResult EvalResult; |
||
| 1731 | LongWord Count = EvalStrIntExpressionWithResult(&ArgStr[3], UInt30, &EvalResult); |
||
| 1732 | |||
| 1733 | if (EvalResult.OK) |
||
| 1734 | { |
||
| 1735 | tAdrVals CntAdrVals; |
||
| 1736 | |||
| 1737 | Count = (Count - 1) << OpSize; |
||
| 1738 | ClearAdrVals(&CntAdrVals); |
||
| 1739 | if (EncodeDisplacement(Count, &CntAdrVals, mFirstPassUnknownOrQuestionable(EvalResult.Flags) ? ErrNum_None : ErrNum_OverRange, &ArgStr[3])) |
||
| 1740 | { |
||
| 1741 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 1742 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 1743 | | (Lo(Code) << 10) |
||
| 1744 | | (SizeCodeI(OpSize) << 8) |
||
| 1745 | | 0xce, 3); |
||
| 1746 | AppendIndex(&SrcAdrVals); |
||
| 1747 | AppendIndex(&DestAdrVals); |
||
| 1748 | AppendDisp(&SrcAdrVals); |
||
| 1749 | AppendDisp(&DestAdrVals); |
||
| 1750 | AppendDisp(&CntAdrVals); |
||
| 1751 | } |
||
| 1752 | } |
||
| 1753 | } |
||
| 1754 | } |
||
| 1755 | |||
| 1756 | /*!------------------------------------------------------------------------ |
||
| 1757 | * \fn DecodeINSS_EXTS(Word Code) |
||
| 1758 | * \brief Handle INSS/EXTS Instructions (Format 7) |
||
| 1759 | * \param Code machine code & operand size |
||
| 1760 | * ------------------------------------------------------------------------ */ |
||
| 1761 | |||
| 1762 | static void DecodeINSS_EXTS(Word Code) |
||
| 1763 | { |
||
| 1764 | tAdrVals Arg1AdrVals, Arg2AdrVals; |
||
| 1765 | |||
| 1766 | if (ChkArgCnt(4, 4) |
||
| 1767 | && ChkNoAttrPart() |
||
| 1768 | && SetOpSizeFromCode(Code) |
||
| 1769 | && DecodeAdr(&ArgStr[1], &Arg1AdrVals, MAllowReg | ((Lo(Code) == 2) ? MAllowImm : 0)) |
||
| 1770 | && DecodeAdr(&ArgStr[2], &Arg2AdrVals, MAllowReg)) |
||
| 1771 | { |
||
| 1772 | tEvalResult EvalResult; |
||
| 1773 | Byte Offs, Length; |
||
| 1774 | |||
| 1775 | Offs = EvalStrIntExpressionWithResult(&ArgStr[3], UInt3, &EvalResult); |
||
| 1776 | if (!EvalResult.OK) |
||
| 1777 | return; |
||
| 1778 | |||
| 1779 | Length = EvalStrIntExpressionWithResult(&ArgStr[4], UInt5, &EvalResult); |
||
| 1780 | if (!EvalResult.OK) |
||
| 1781 | return; |
||
| 1782 | if (mFirstPassUnknownOrQuestionable(EvalResult.Flags)) |
||
| 1783 | Length = (Length & 31) + 1; |
||
| 1784 | if (ChkRange(Length, 1, 32)) |
||
| 1785 | { |
||
| 1786 | PutCode((((LongWord)Arg1AdrVals.Code) << 19) |
||
| 1787 | | (((LongWord)Arg2AdrVals.Code) << 14) |
||
| 1788 | | (SizeCodeI(OpSize) << 8) |
||
| 1789 | | (Lo(Code) << 10) |
||
| 1790 | | 0xce, 3); |
||
| 1791 | AppendIndex(&Arg1AdrVals); |
||
| 1792 | AppendIndex(&Arg2AdrVals); |
||
| 1793 | AppendDisp(&Arg1AdrVals); |
||
| 1794 | AppendDisp(&Arg2AdrVals); |
||
| 1795 | BAsmCode[CodeLen++] = ((Offs & 7) << 5) | ((Length - 1) & 31); |
||
| 1796 | } |
||
| 1797 | } |
||
| 1798 | } |
||
| 1799 | |||
| 1800 | /*!------------------------------------------------------------------------ |
||
| 1801 | * \fn DecodeMOVExt(Word Code) |
||
| 1802 | * \brief Decode MOV{X|Z}{BW|BD|WD} Instructions (Format 7) |
||
| 1803 | * \param Code machine code & operand sizes |
||
| 1804 | * ------------------------------------------------------------------------ */ |
||
| 1805 | |||
| 1806 | static void DecodeMOVExt(Word Code) |
||
| 1807 | { |
||
| 1808 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 1809 | Byte SrcOpSize = (Code >> 8) & 15, |
||
| 1810 | DestOpSize = (Code >> 12) & 15; |
||
| 1811 | |||
| 1812 | if (ChkArgCnt(2, 2) |
||
| 1813 | && ChkNoAttrPart() |
||
| 1814 | && SetOpSize((tSymbolSize)SrcOpSize, &OpPart) |
||
| 1815 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm)) |
||
| 1816 | { |
||
| 1817 | OpSize = (tSymbolSize)DestOpSize; |
||
| 1818 | |||
| 1819 | if (DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 1820 | { |
||
| 1821 | Code = ((DestOpSize == eSymbolSize32Bit) ? 6 : 5) ^ (Code & 1); |
||
| 1822 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 1823 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 1824 | | (Code << 10) |
||
| 1825 | | (((LongWord)SrcOpSize) << 8) |
||
| 1826 | | 0xce, 3); |
||
| 1827 | AppendIndex(&SrcAdrVals); |
||
| 1828 | AppendIndex(&DestAdrVals); |
||
| 1829 | AppendDisp(&SrcAdrVals); |
||
| 1830 | AppendDisp(&DestAdrVals); |
||
| 1831 | } |
||
| 1832 | } |
||
| 1833 | } |
||
| 1834 | |||
| 1835 | /*!------------------------------------------------------------------------ |
||
| 1836 | * \fn DecodeDoubleDest(Word Code) |
||
| 1837 | * \brief handle instruction with double-sized dest operand (Format 8) |
||
| 1838 | * \param Code machine code |
||
| 1839 | * ------------------------------------------------------------------------ */ |
||
| 1840 | |||
| 1841 | static void DecodeDoubleDest(Word Code) |
||
| 1842 | { |
||
| 1843 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 1844 | |||
| 1845 | if (ChkArgCnt(2, 2) |
||
| 1846 | && ChkNoAttrPart() |
||
| 1847 | && SetOpSizeFromCode(Code) |
||
| 1848 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 1849 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowRegPair)) |
||
| 1850 | { |
||
| 1851 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 1852 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 1853 | | (Lo(Code) << 10) |
||
| 1854 | | (SizeCodeI(OpSize) << 8) |
||
| 1855 | | 0xce, 3); |
||
| 1856 | AppendIndex(&SrcAdrVals); |
||
| 1857 | AppendIndex(&DestAdrVals); |
||
| 1858 | AppendDisp(&SrcAdrVals); |
||
| 1859 | AppendDisp(&DestAdrVals); |
||
| 1860 | } |
||
| 1861 | } |
||
| 1862 | |||
| 1863 | /*!------------------------------------------------------------------------ |
||
| 1864 | * \fn DecodeCHECK_INDEX(Word Code) |
||
| 1865 | * \brief Handle CHECK/CVTP/INDEX Instructions (Format 8) |
||
| 1866 | * \param Code machine code & operand size |
||
| 1867 | * ------------------------------------------------------------------------ */ |
||
| 1868 | |||
| 1869 | static void DecodeCHECK_INDEX(Word Code) |
||
| 1870 | { |
||
| 1871 | tAdrVals BoundsAdrVals, SrcAdrVals; |
||
| 1872 | Word DestReg; |
||
| 1873 | Boolean IsINDEX = Lo(Code) == 0x42, |
||
| 1874 | IsCVTP = Lo(Code) == 0x06; |
||
| 1875 | |||
| 1876 | |||
| 1877 | if (ChkArgCnt(3, 3) |
||
| 1878 | && ChkNoAttrPart() |
||
| 1879 | && SetOpSizeFromCode(Code) |
||
| 1880 | && DecodeAdr(&ArgStr[2], &BoundsAdrVals, IsINDEX ? (MAllowReg | MAllowImm) : 0) |
||
| 1881 | && DecodeAdr(&ArgStr[3], &SrcAdrVals, MAllowReg | (IsCVTP ? 0 : MAllowImm)) |
||
| 1882 | && DecodeReg(&ArgStr[1], &DestReg, NULL, eSymbolSize32Bit, True)) |
||
| 1883 | { |
||
| 1884 | PutCode((((LongWord)BoundsAdrVals.Code) << 19) |
||
| 1885 | | (((LongWord)SrcAdrVals.Code) << 14) |
||
| 1886 | | (DestReg << 11) |
||
| 1887 | | (SizeCodeI(OpSize) << 8) |
||
| 1888 | | (Lo(Code) << 4) |
||
| 1889 | | 0x0e, 3); |
||
| 1890 | AppendIndex(&BoundsAdrVals); |
||
| 1891 | AppendIndex(&SrcAdrVals); |
||
| 1892 | AppendDisp(&BoundsAdrVals); |
||
| 1893 | AppendDisp(&SrcAdrVals); |
||
| 1894 | } |
||
| 1895 | } |
||
| 1896 | |||
| 1897 | /*!------------------------------------------------------------------------ |
||
| 1898 | * \fn DecodeINS_EXT(Word Code) |
||
| 1899 | * \brief Handle INS/EXT Instructions (Format 8) |
||
| 1900 | * \param IsINS 1 for INS, 0 for EXT |
||
| 1901 | * ------------------------------------------------------------------------ */ |
||
| 1902 | |||
| 1903 | static void DecodeINS_EXT(Word IsINS) |
||
| 1904 | { |
||
| 1905 | tAdrVals Arg2AdrVals, Arg3AdrVals; |
||
| 1906 | Word OffsetReg; |
||
| 1907 | |||
| 1908 | if (ChkArgCnt(4, 4) |
||
| 1909 | && ChkNoAttrPart() |
||
| 1910 | && SetOpSizeFromCode(IsINS) |
||
| 1911 | && DecodeReg(&ArgStr[1], &OffsetReg, NULL, eSymbolSize32Bit, True) |
||
| 1912 | && DecodeAdr(&ArgStr[2], &Arg2AdrVals, MAllowReg | (Lo(IsINS) ? MAllowImm : 0)) |
||
| 1913 | && DecodeAdr(&ArgStr[3], &Arg3AdrVals, MAllowReg)) |
||
| 1914 | { |
||
| 1915 | tEvalResult EvalResult; |
||
| 1916 | LongInt Disp = EvalStrIntExpressionWithResult(&ArgStr[4], SInt30, &EvalResult); |
||
| 1917 | |||
| 1918 | if (EvalResult.OK) |
||
| 1919 | { |
||
| 1920 | tAdrVals DispAdrVals; |
||
| 1921 | |||
| 1922 | ClearAdrVals(&DispAdrVals); |
||
| 1923 | if (EncodeDisplacement(Disp, &DispAdrVals, ErrNum_OverRange, &ArgStr[4])) |
||
| 1924 | { |
||
| 1925 | PutCode((((LongWord)Arg2AdrVals.Code) << 19) |
||
| 1926 | | (((LongWord)Arg3AdrVals.Code) << 14) |
||
| 1927 | | (OffsetReg << 11) |
||
| 1928 | | (SizeCodeI(OpSize) << 8) |
||
| 1929 | | (Lo(IsINS) << 7) |
||
| 1930 | | 0x2e, 3); |
||
| 1931 | AppendIndex(&Arg2AdrVals); |
||
| 1932 | AppendIndex(&Arg3AdrVals); |
||
| 1933 | AppendDisp(&Arg2AdrVals); |
||
| 1934 | AppendDisp(&Arg3AdrVals); |
||
| 1935 | AppendDisp(&DispAdrVals); |
||
| 1936 | } |
||
| 1937 | } |
||
| 1938 | } |
||
| 1939 | } |
||
| 1940 | |||
| 1941 | /*!------------------------------------------------------------------------ |
||
| 1942 | * \fn DecodeFFS(Word Code) |
||
| 1943 | * \brief Handle FFS Instruction |
||
| 1944 | * \param Code machine code & operand size |
||
| 1945 | * ------------------------------------------------------------------------ */ |
||
| 1946 | |||
| 1947 | static void DecodeFFS(Word Code) |
||
| 1948 | { |
||
| 1949 | tAdrVals BaseAdrVals, OffsetAdrVals; |
||
| 1950 | |||
| 1951 | if (ChkArgCnt(2, 2) |
||
| 1952 | && ChkNoAttrPart() |
||
| 1953 | && SetOpSizeFromCode(Code) |
||
| 1954 | && DecodeAdr(&ArgStr[1], &BaseAdrVals, MAllowReg | MAllowImm) |
||
| 1955 | && DecodeAdr(&ArgStr[2], &OffsetAdrVals, MAllowReg)) |
||
| 1956 | { |
||
| 1957 | PutCode((((LongWord)BaseAdrVals.Code) << 19) |
||
| 1958 | | (((LongWord)OffsetAdrVals.Code) << 14) |
||
| 1959 | | (Lo(Code) << 10) |
||
| 1960 | | (SizeCodeI(OpSize) << 8) |
||
| 1961 | | 0x6e, 3); |
||
| 1962 | AppendIndex(&BaseAdrVals); |
||
| 1963 | AppendIndex(&OffsetAdrVals); |
||
| 1964 | AppendDisp(&BaseAdrVals); |
||
| 1965 | AppendDisp(&OffsetAdrVals); |
||
| 1966 | } |
||
| 1967 | } |
||
| 1968 | |||
| 1969 | /*!------------------------------------------------------------------------ |
||
| 1970 | * \fn DecodeMOVSU(Word Code) |
||
| 1971 | * \brief Handle MOVSU/MOVUS Instruction |
||
| 1972 | * \param Code machine code & operand size |
||
| 1973 | * ------------------------------------------------------------------------ */ |
||
| 1974 | |||
| 1975 | static void DecodeMOVSU(Word Code) |
||
| 1976 | { |
||
| 1977 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 1978 | |||
| 1979 | if (ChkArgCnt(2, 2) |
||
| 1980 | && ChkNoAttrPart() |
||
| 1981 | && CheckSup(True, &OpPart) |
||
| 1982 | && CheckCore((1 << eCoreGen1) | (1 << eCoreGen2)) |
||
| 1983 | && SetOpSizeFromCode(Code) |
||
| 1984 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, 0) |
||
| 1985 | && DecodeAdr(&ArgStr[2], &DestAdrVals, 0)) |
||
| 1986 | { |
||
| 1987 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 1988 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 1989 | | ((Code & 0xff) << 10) |
||
| 1990 | | (SizeCodeI(OpSize) << 8) |
||
| 1991 | | 0xae, 3); |
||
| 1992 | AppendIndex(&SrcAdrVals); |
||
| 1993 | AppendIndex(&DestAdrVals); |
||
| 1994 | AppendDisp(&SrcAdrVals); |
||
| 1995 | AppendDisp(&DestAdrVals); |
||
| 1996 | } |
||
| 1997 | } |
||
| 1998 | |||
| 1999 | /*!------------------------------------------------------------------------ |
||
| 2000 | * \fn DecodeFLOOR_ROUND_TRUNC(Word Code) |
||
| 2001 | * \brief Handle FLOOR.../ROUND.../TRUNC... instructions (Format 9) |
||
| 2002 | * \param Code machine code & (integer) op size |
||
| 2003 | * ------------------------------------------------------------------------ */ |
||
| 2004 | |||
| 2005 | static void DecodeFLOOR_ROUND_TRUNC(Word Code) |
||
| 2006 | { |
||
| 2007 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2008 | |||
| 2009 | if (ChkArgCnt(2, 2) |
||
| 2010 | && ChkNoAttrPart() |
||
| 2011 | && CheckFPUAvail(eFPU16081) |
||
| 2012 | && SetFOpSizeFromCode(Code & 0x1) |
||
| 2013 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2014 | && ResetOpSize() && SetOpSizeFromCode(Code) |
||
| 2015 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 2016 | { |
||
| 2017 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2018 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2019 | | (Lo(Code) << 10) |
||
| 2020 | | (SizeCodeI(OpSize) << 8) |
||
| 2021 | | 0x3e, 3); |
||
| 2022 | AppendIndex(&SrcAdrVals); |
||
| 2023 | AppendIndex(&DestAdrVals); |
||
| 2024 | AppendDisp(&SrcAdrVals); |
||
| 2025 | AppendDisp(&DestAdrVals); |
||
| 2026 | } |
||
| 2027 | } |
||
| 2028 | |||
| 2029 | /*!------------------------------------------------------------------------ |
||
| 2030 | * \fn DecodeMOVif(Word Code) |
||
| 2031 | * \brief Handle MOV i->f Instructions (Format 9) |
||
| 2032 | * \param Code machine code & (integer) op size |
||
| 2033 | * ------------------------------------------------------------------------ */ |
||
| 2034 | |||
| 2035 | static void DecodeMOVif(Word Code) |
||
| 2036 | { |
||
| 2037 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2038 | |||
| 2039 | if (ChkArgCnt(2, 2) |
||
| 2040 | && ChkNoAttrPart() |
||
| 2041 | && CheckFPUAvail(eFPU16081) |
||
| 2042 | && SetOpSizeFromCode(Code) |
||
| 2043 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2044 | && ResetOpSize() && SetFOpSizeFromCode(Code & 0x1) |
||
| 2045 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 2046 | { |
||
| 2047 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2048 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2049 | | ((Code & 0xff) << 10) |
||
| 2050 | | (SizeCodeI(GetOpSizeFromCode(Code)) << 8) |
||
| 2051 | | 0x3e, 3); |
||
| 2052 | AppendIndex(&SrcAdrVals); |
||
| 2053 | AppendIndex(&DestAdrVals); |
||
| 2054 | AppendDisp(&SrcAdrVals); |
||
| 2055 | AppendDisp(&DestAdrVals); |
||
| 2056 | } |
||
| 2057 | } |
||
| 2058 | |||
| 2059 | /*!------------------------------------------------------------------------ |
||
| 2060 | * \fn DecodeFormatLFSR_SFSR(Word Code) |
||
| 2061 | * \brief Handle LFSR/SFSR Instructions (Format 9) |
||
| 2062 | * \param Code Machine Code & Flags |
||
| 2063 | * ------------------------------------------------------------------------ */ |
||
| 2064 | |||
| 2065 | #define FMT9_MAYIMM (1 << 15) |
||
| 2066 | |||
| 2067 | static void DecodeLFSR_SFSR(Word Code) |
||
| 2068 | { |
||
| 2069 | Boolean MayImm = !!(Code & FMT9_MAYIMM); |
||
| 2070 | tAdrVals AdrVals; |
||
| 2071 | |||
| 2072 | Code &= ~FMT9_MAYIMM; |
||
| 2073 | if (ChkArgCnt(1, 1) |
||
| 2074 | && ChkNoAttrPart() |
||
| 2075 | && CheckFPUAvail(eFPU16081) |
||
| 2076 | && SetOpSize(eSymbolSize32Bit, &OpPart) |
||
| 2077 | && DecodeAdr(&ArgStr[1], &AdrVals, MAllowReg | (MayImm ? MAllowImm : 0))) |
||
| 2078 | { |
||
| 2079 | PutCode((((LongWord)AdrVals.Code) << (MayImm ? 19 : 14)) |
||
| 2080 | | (((LongWord)Code) << 8) |
||
| 2081 | | 0x3e, 3); |
||
| 2082 | AppendIndex(&AdrVals); |
||
| 2083 | AppendDisp(&AdrVals); |
||
| 2084 | } |
||
| 2085 | } |
||
| 2086 | |||
| 2087 | /*!------------------------------------------------------------------------ |
||
| 2088 | * \fn DecodeMOVF(Word Code) |
||
| 2089 | * \brief Handle MOVFL/MOVLF Instructions (Format 9) |
||
| 2090 | * \param Code Machine Code & Flags |
||
| 2091 | * ------------------------------------------------------------------------ */ |
||
| 2092 | |||
| 2093 | static void DecodeMOVF(Word Code) |
||
| 2094 | { |
||
| 2095 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2096 | Byte OpSize = (Code >> 8) & 1; |
||
| 2097 | |||
| 2098 | if (ChkArgCnt(2, 2) |
||
| 2099 | && ChkNoAttrPart() |
||
| 2100 | && CheckFPUAvail(eFPU16081) |
||
| 2101 | && SetFOpSizeFromCode(OpSize) |
||
| 2102 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2103 | && ResetOpSize() && SetFOpSizeFromCode(OpSize ^ 1) |
||
| 2104 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 2105 | { |
||
| 2106 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2107 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2108 | | Code, 3); |
||
| 2109 | AppendIndex(&SrcAdrVals); |
||
| 2110 | AppendIndex(&DestAdrVals); |
||
| 2111 | AppendDisp(&SrcAdrVals); |
||
| 2112 | AppendDisp(&DestAdrVals); |
||
| 2113 | } |
||
| 2114 | } |
||
| 2115 | |||
| 2116 | /*!------------------------------------------------------------------------ |
||
| 2117 | * \fn DecodeFormat11(Word Code) |
||
| 2118 | * \brief Handle Format 11 Instructions |
||
| 2119 | * \param Code Machine Code & Operand Size |
||
| 2120 | * ------------------------------------------------------------------------ */ |
||
| 2121 | |||
| 2122 | #define FMT11_DESTMAYIMM 0x80 |
||
| 2123 | |||
| 2124 | static void DecodeFormat11(Word Code) |
||
| 2125 | { |
||
| 2126 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2127 | Boolean DestMayImm = !!(Code & FMT11_DESTMAYIMM); |
||
| 2128 | |||
| 2129 | Code &= ~FMT11_DESTMAYIMM; |
||
| 2130 | if (ChkArgCnt(2, 2) |
||
| 2131 | && ChkNoAttrPart() |
||
| 2132 | && CheckFPUAvail(eFPU16081) |
||
| 2133 | && SetOpSizeFromCode(Code) |
||
| 2134 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2135 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg | (DestMayImm ? MAllowImm : 0))) |
||
| 2136 | { |
||
| 2137 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2138 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2139 | | ((Code & 0xff) << 10) |
||
| 2140 | | (SizeCodeF(OpSize) << 8) |
||
| 2141 | | 0xbe, 3); |
||
| 2142 | AppendIndex(&SrcAdrVals); |
||
| 2143 | AppendIndex(&DestAdrVals); |
||
| 2144 | AppendDisp(&SrcAdrVals); |
||
| 2145 | AppendDisp(&DestAdrVals); |
||
| 2146 | } |
||
| 2147 | } |
||
| 2148 | |||
| 2149 | /*!------------------------------------------------------------------------ |
||
| 2150 | * \fn DecodeFormat12(Word Code) |
||
| 2151 | * \brief Handle Format 12 Instructions |
||
| 2152 | * \param Code Machine Code & Operand Size |
||
| 2153 | * ------------------------------------------------------------------------ */ |
||
| 2154 | |||
| 2155 | #define FMT12_DESTMAYIMM 0x40 |
||
| 2156 | #define FMT12_580 0x20 |
||
| 2157 | |||
| 2158 | static void DecodeFormat12(Word Code) |
||
| 2159 | { |
||
| 2160 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2161 | Boolean DestMayImm = !!(Code & FMT12_DESTMAYIMM), |
||
| 2162 | Req580 = !!(Code & FMT12_580); |
||
| 2163 | |||
| 2164 | Code &= ~(FMT12_DESTMAYIMM | FMT12_580); |
||
| 2165 | if (ChkArgCnt(2, 2) |
||
| 2166 | && ChkNoAttrPart() |
||
| 2167 | && CheckFPUAvail(Req580 ? eFPU32580 : eFPU32181) |
||
| 2168 | && SetOpSizeFromCode(Code) |
||
| 2169 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2170 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg | (DestMayImm ? MAllowImm : 0))) |
||
| 2171 | { |
||
| 2172 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2173 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2174 | | ((Code & 0xff) << 10) |
||
| 2175 | | (SizeCodeF(OpSize) << 8) |
||
| 2176 | | 0xfe, 3); |
||
| 2177 | AppendIndex(&SrcAdrVals); |
||
| 2178 | AppendIndex(&DestAdrVals); |
||
| 2179 | AppendDisp(&SrcAdrVals); |
||
| 2180 | AppendDisp(&DestAdrVals); |
||
| 2181 | } |
||
| 2182 | } |
||
| 2183 | |||
| 2184 | /*!------------------------------------------------------------------------ |
||
| 2185 | * \fn DecodeLMR_SMR(Word Code) |
||
| 2186 | * \brief Decode LMR/SMR Instructions (Format 14) |
||
| 2187 | * \param Code Machine Code & Operand Size |
||
| 2188 | * ------------------------------------------------------------------------ */ |
||
| 2189 | |||
| 2190 | static void DecodeLMR_SMR(Word Code) |
||
| 2191 | { |
||
| 2192 | tAdrVals AdrVals; |
||
| 2193 | Word Reg; |
||
| 2194 | Boolean IsStore = (Code == 3); |
||
| 2195 | |||
| 2196 | if (ChkArgCnt(2, 2) |
||
| 2197 | && ChkNoAttrPart() |
||
| 2198 | && CheckPMMUAvail() |
||
| 2199 | && SetOpSizeFromCode(Code) |
||
| 2200 | && DecodeAdr(&ArgStr[2], &AdrVals, MAllowReg | (IsStore ? 0 : MAllowImm)) |
||
| 2201 | && DecodeMMUReg(&ArgStr[1], &Reg)) |
||
| 2202 | { |
||
| 2203 | if (!IsStore && (Reg >= 14)) |
||
| 2204 | WrStrErrorPos(ErrNum_Unpredictable, &ArgStr[1]); |
||
| 2205 | PutCode((((LongWord)AdrVals.Code) << 19) |
||
| 2206 | | ((LongWord)Reg << 15) |
||
| 2207 | | (Lo(Code) << 10) |
||
| 2208 | | (SizeCodeI(OpSize) << 8) |
||
| 2209 | | 0x1e, 3); |
||
| 2210 | AppendIndex(&AdrVals); |
||
| 2211 | AppendDisp(&AdrVals); |
||
| 2212 | } |
||
| 2213 | } |
||
| 2214 | |||
| 2215 | /*!------------------------------------------------------------------------ |
||
| 2216 | * \fn DecodeRDVAL_WRVAL(Word Code) |
||
| 2217 | * \brief Handle RDVAL/WRVAL Instructions |
||
| 2218 | * \param Code Machine code & operand size |
||
| 2219 | * ------------------------------------------------------------------------ */ |
||
| 2220 | |||
| 2221 | static void DecodeRDVAL_WRVAL(Word Code) |
||
| 2222 | { |
||
| 2223 | tAdrVals AdrVals; |
||
| 2224 | |||
| 2225 | if (ChkArgCnt(1, 1) |
||
| 2226 | && ChkNoAttrPart() |
||
| 2227 | && CheckSup(True, &OpPart) |
||
| 2228 | && SetOpSizeFromCode(Code) |
||
| 2229 | && DecodeAdr(&ArgStr[1], &AdrVals, MAllowReg)) |
||
| 2230 | { |
||
| 2231 | PutCode((((LongWord)AdrVals.Code) << 19) |
||
| 2232 | | (Lo(Code) << 10) |
||
| 2233 | | (SizeCodeI(OpSize) << 8) |
||
| 2234 | | 0x1e, 3); |
||
| 2235 | AppendIndex(&AdrVals); |
||
| 2236 | AppendDisp(&AdrVals); |
||
| 2237 | } |
||
| 2238 | } |
||
| 2239 | |||
| 2240 | /*!------------------------------------------------------------------------ |
||
| 2241 | * \fn DecodeCCVci(Word Code) |
||
| 2242 | * \brief Handle CCVnci Instructions (Format 15.1) |
||
| 2243 | * \param Code Machine code & (integer) operand size |
||
| 2244 | * ------------------------------------------------------------------------ */ |
||
| 2245 | |||
| 2246 | static void DecodeCCVci(Word Code) |
||
| 2247 | { |
||
| 2248 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2249 | |||
| 2250 | if (ChkArgCnt(2, 2) |
||
| 2251 | && ChkNoAttrPart() |
||
| 2252 | && CheckCustomAvail() |
||
| 2253 | && SetCOpSizeFromCode(Code & 0x01) |
||
| 2254 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2255 | && ResetOpSize() && SetOpSizeFromCode(Code) |
||
| 2256 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 2257 | { |
||
| 2258 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2259 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2260 | | (Lo(Code) << 10) |
||
| 2261 | | (SizeCodeI(OpSize) << 8) |
||
| 2262 | | 0x36, 3); |
||
| 2263 | AppendIndex(&SrcAdrVals); |
||
| 2264 | AppendIndex(&DestAdrVals); |
||
| 2265 | AppendDisp(&SrcAdrVals); |
||
| 2266 | AppendDisp(&DestAdrVals); |
||
| 2267 | } |
||
| 2268 | } |
||
| 2269 | |||
| 2270 | /*!------------------------------------------------------------------------ |
||
| 2271 | * \fn DecodeCCVic(Word Code) |
||
| 2272 | * \brief Handle CCVnic Instructions (Format 15.1) |
||
| 2273 | * \param Code Machine code & (integer) operand size |
||
| 2274 | * ------------------------------------------------------------------------ */ |
||
| 2275 | |||
| 2276 | static void DecodeCCVic(Word Code) |
||
| 2277 | { |
||
| 2278 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2279 | |||
| 2280 | if (ChkArgCnt(2, 2) |
||
| 2281 | && ChkNoAttrPart() |
||
| 2282 | && CheckCustomAvail() |
||
| 2283 | && SetOpSizeFromCode(Code) |
||
| 2284 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2285 | && ResetOpSize() && SetCOpSizeFromCode(Code & 0x01) |
||
| 2286 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 2287 | { |
||
| 2288 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2289 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2290 | | (Lo(Code) << 10) |
||
| 2291 | | (SizeCodeI(GetOpSizeFromCode(Code)) << 8) |
||
| 2292 | | 0x36, 3); |
||
| 2293 | AppendIndex(&SrcAdrVals); |
||
| 2294 | AppendIndex(&DestAdrVals); |
||
| 2295 | AppendDisp(&SrcAdrVals); |
||
| 2296 | AppendDisp(&DestAdrVals); |
||
| 2297 | } |
||
| 2298 | } |
||
| 2299 | |||
| 2300 | /*!------------------------------------------------------------------------ |
||
| 2301 | * \fn DecodeCCVcc(Word Code) |
||
| 2302 | * \brief Handle CCVncc Instructions (Format 15.1) |
||
| 2303 | * \param Code Machine Code & Flags |
||
| 2304 | * ------------------------------------------------------------------------ */ |
||
| 2305 | |||
| 2306 | static void DecodeCCVcc(Word Code) |
||
| 2307 | { |
||
| 2308 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2309 | Byte OpSize = Code & 1; |
||
| 2310 | |||
| 2311 | if (ChkArgCnt(2, 2) |
||
| 2312 | && ChkNoAttrPart() |
||
| 2313 | && CheckCustomAvail() |
||
| 2314 | && SetCOpSizeFromCode(OpSize) |
||
| 2315 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2316 | && ResetOpSize() && SetCOpSizeFromCode(OpSize ^ 1) |
||
| 2317 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg)) |
||
| 2318 | { |
||
| 2319 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2320 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2321 | | (Code << 10) |
||
| 2322 | | 0x36, 3); |
||
| 2323 | AppendIndex(&SrcAdrVals); |
||
| 2324 | AppendIndex(&DestAdrVals); |
||
| 2325 | AppendDisp(&SrcAdrVals); |
||
| 2326 | AppendDisp(&DestAdrVals); |
||
| 2327 | } |
||
| 2328 | } |
||
| 2329 | |||
| 2330 | /*!------------------------------------------------------------------------ |
||
| 2331 | * \fn DecodeCATST(Word Code) |
||
| 2332 | * \brief Decode CATSTx Instructions (Format 15.0) |
||
| 2333 | * \param Code Machine Code |
||
| 2334 | * ------------------------------------------------------------------------ */ |
||
| 2335 | |||
| 2336 | static void DecodeCATST(Word Code) |
||
| 2337 | { |
||
| 2338 | tAdrVals AdrVals; |
||
| 2339 | |||
| 2340 | if (ChkArgCnt(1, 1) |
||
| 2341 | && ChkNoAttrPart() |
||
| 2342 | && SetOpSize(eSymbolSize32Bit, &OpPart) |
||
| 2343 | && DecodeAdr(&ArgStr[1], &AdrVals, MAllowReg | MAllowImm)) |
||
| 2344 | { |
||
| 2345 | PutCode((((LongWord)AdrVals.Code) << 19) |
||
| 2346 | | (Code << 10) |
||
| 2347 | | (SizeCodeI(OpSize) << 8) |
||
| 2348 | | 0x16, 3); |
||
| 2349 | AppendIndex(&AdrVals); |
||
| 2350 | AppendDisp(&AdrVals); |
||
| 2351 | } |
||
| 2352 | } |
||
| 2353 | |||
| 2354 | /*!------------------------------------------------------------------------ |
||
| 2355 | * \fn DecodeLCR_SCR(Word Code) |
||
| 2356 | * \brief Handle LCR/SCR Instructions (Format 15.0) |
||
| 2357 | * \param Code Machine Code & Flags |
||
| 2358 | * ------------------------------------------------------------------------ */ |
||
| 2359 | |||
| 2360 | #define FMT15_0_MAYIMM (1 << 7) |
||
| 2361 | |||
| 2362 | static void DecodeLCR_SCR(Word Code) |
||
| 2363 | { |
||
| 2364 | Boolean MayImm = !!(Code & FMT15_0_MAYIMM); |
||
| 2365 | tAdrVals AdrVals; |
||
| 2366 | |||
| 2367 | Code &= ~FMT15_0_MAYIMM; |
||
| 2368 | if (ChkArgCnt(2, 2) |
||
| 2369 | && ChkNoAttrPart() |
||
| 2370 | && CheckCustomAvail() |
||
| 2371 | && CheckSup(True, &OpPart) |
||
| 2372 | && SetOpSize(eSymbolSize32Bit, &OpPart) |
||
| 2373 | && DecodeAdr(&ArgStr[2], &AdrVals, MAllowReg | (MayImm ? MAllowImm : 0))) |
||
| 2374 | { |
||
| 2375 | Boolean OK; |
||
| 2376 | LongWord Reg = EvalStrIntExpression(&ArgStr[1], UInt4, &OK); |
||
| 2377 | |||
| 2378 | if (OK) |
||
| 2379 | { |
||
| 2380 | PutCode((((LongWord)AdrVals.Code) << 19) |
||
| 2381 | | (Reg << 15) |
||
| 2382 | | (Code << 10) |
||
| 2383 | | (SizeCodeI(OpSize) << 8) |
||
| 2384 | | 0x16, 3); |
||
| 2385 | AppendIndex(&AdrVals); |
||
| 2386 | AppendDisp(&AdrVals); |
||
| 2387 | } |
||
| 2388 | } |
||
| 2389 | } |
||
| 2390 | |||
| 2391 | /*!------------------------------------------------------------------------ |
||
| 2392 | * \fn DecodeFormatLCSR_SCSR(Word Code) |
||
| 2393 | * \brief Handle LCSR/SCSR Instructions (Format 15.1) |
||
| 2394 | * \param Code Machine Code & Flags |
||
| 2395 | * ------------------------------------------------------------------------ */ |
||
| 2396 | |||
| 2397 | #define FMT15_1_MAYIMM (1 << 7) |
||
| 2398 | |||
| 2399 | static void DecodeLCSR_SCSR(Word Code) |
||
| 2400 | { |
||
| 2401 | Boolean MayImm = !!(Code & FMT15_1_MAYIMM); |
||
| 2402 | tAdrVals AdrVals; |
||
| 2403 | |||
| 2404 | Code &= ~FMT15_1_MAYIMM; |
||
| 2405 | if (ChkArgCnt(1, 1) |
||
| 2406 | && ChkNoAttrPart() |
||
| 2407 | && CheckCustomAvail() |
||
| 2408 | && SetOpSize(eSymbolSize32Bit, &OpPart) |
||
| 2409 | && DecodeAdr(&ArgStr[1], &AdrVals, MAllowReg | (MayImm ? MAllowImm : 0))) |
||
| 2410 | { |
||
| 2411 | PutCode((((LongWord)AdrVals.Code) << (MayImm ? 19 : 14)) |
||
| 2412 | | (((LongWord)Code) << 10) |
||
| 2413 | | (SizeCodeI(OpSize) << 8) |
||
| 2414 | | 0x36, 3); |
||
| 2415 | AppendIndex(&AdrVals); |
||
| 2416 | AppendDisp(&AdrVals); |
||
| 2417 | } |
||
| 2418 | } |
||
| 2419 | |||
| 2420 | /*!------------------------------------------------------------------------ |
||
| 2421 | * \fn DecodeFormat15_5_7(Word Code) |
||
| 2422 | * \brief Handle Format 15.5/15.7 Instructions |
||
| 2423 | * \param Code Machine code & operand size |
||
| 2424 | * ------------------------------------------------------------------------ */ |
||
| 2425 | |||
| 2426 | #define FMT15_5_DESTMAYIMM 0x80 |
||
| 2427 | #define FMT15_7 0x40 |
||
| 2428 | |||
| 2429 | static void DecodeFormat15_5_7(Word Code) |
||
| 2430 | { |
||
| 2431 | tAdrVals SrcAdrVals, DestAdrVals; |
||
| 2432 | unsigned DestMayImm = (Code & FMT15_5_DESTMAYIMM) ? MAllowImm : 0, |
||
| 2433 | Is7 = !!(Code & FMT15_7); |
||
| 2434 | |||
| 2435 | Code &= ~(FMT15_5_DESTMAYIMM | FMT15_7); |
||
| 2436 | if (ChkArgCnt(2, 2) |
||
| 2437 | && ChkNoAttrPart() |
||
| 2438 | && CheckCustomAvail() |
||
| 2439 | && (!Is7 || CheckCore((1 << eCoreGen1Ext) | (1 << eCoreGen2))) |
||
| 2440 | && SetOpSizeFromCode(Code) |
||
| 2441 | && DecodeAdr(&ArgStr[1], &SrcAdrVals, MAllowReg | MAllowImm) |
||
| 2442 | && DecodeAdr(&ArgStr[2], &DestAdrVals, MAllowReg| DestMayImm)) |
||
| 2443 | { |
||
| 2444 | PutCode((((LongWord)SrcAdrVals.Code) << 19) |
||
| 2445 | | (((LongWord)DestAdrVals.Code) << 14) |
||
| 2446 | | (Lo(Code) << 10) |
||
| 2447 | | (SizeCodeC(OpSize) << 8) |
||
| 2448 | | (Is7 << 6) |
||
| 2449 | | 0xb6, 3); |
||
| 2450 | AppendIndex(&SrcAdrVals); |
||
| 2451 | AppendIndex(&DestAdrVals); |
||
| 2452 | AppendDisp(&SrcAdrVals); |
||
| 2453 | AppendDisp(&DestAdrVals); |
||
| 2454 | } |
||
| 2455 | } |
||
| 2456 | |||
| 2457 | /*!------------------------------------------------------------------------ |
||
| 2458 | * \fn void CodeFPU(Word Code) |
||
| 2459 | * \brief Handle FPU Instruction |
||
| 2460 | * ------------------------------------------------------------------------ */ |
||
| 2461 | |||
| 2462 | static void CodeFPU(Word Code) |
||
| 2463 | { |
||
| 2464 | UNUSED(Code); |
||
| 2465 | |||
| 2466 | if (ChkArgCnt(1, 1)) |
||
| 2467 | { |
||
| 2468 | if (!as_strcasecmp(ArgStr[1].str.p_str, "OFF")) |
||
| 2469 | { |
||
| 2470 | SetFlag(&FPUAvail, FPUAvailName, False); |
||
| 2471 | SetMomFPU(eFPUNone); |
||
| 2472 | } |
||
| 2473 | else if (!as_strcasecmp(ArgStr[1].str.p_str, "ON")) |
||
| 2474 | { |
||
| 2475 | SetFlag(&FPUAvail, FPUAvailName, True); |
||
| 2476 | if (!MomFPU) |
||
| 2477 | SetMomFPU((tFPU)pCurrCPUProps->DefFPU); |
||
| 2478 | } |
||
| 2479 | else |
||
| 2480 | { |
||
| 2481 | tFPU FPU; |
||
| 2482 | |||
| 2483 | for (FPU = (tFPU)1; FPU < eFPUCount; FPU++) |
||
| 2484 | if (!as_strcasecmp(ArgStr[1].str.p_str, FPUNames[FPU])) |
||
| 2485 | { |
||
| 2486 | SetFlag(&FPUAvail, FPUAvailName, True); |
||
| 2487 | SetMomFPU(FPU); |
||
| 2488 | break; |
||
| 2489 | } |
||
| 2490 | if (FPU >= eFPUCount) |
||
| 2491 | WrStrErrorPos(ErrNum_InvFPUType, &ArgStr[1]); |
||
| 2492 | } |
||
| 2493 | } |
||
| 2494 | } |
||
| 2495 | |||
| 2496 | /*!------------------------------------------------------------------------ |
||
| 2497 | * \fn void CodePMMU(Word Code) |
||
| 2498 | * \brief Handle PMMU Instruction |
||
| 2499 | * ------------------------------------------------------------------------ */ |
||
| 2500 | |||
| 2501 | static void CodePMMU(Word Code) |
||
| 2502 | { |
||
| 2503 | UNUSED(Code); |
||
| 2504 | |||
| 2505 | if (ChkArgCnt(1, 1)) |
||
| 2506 | { |
||
| 2507 | if (!as_strcasecmp(ArgStr[1].str.p_str, "OFF")) |
||
| 2508 | { |
||
| 2509 | SetFlag(&PMMUAvail, PMMUAvailName, False); |
||
| 2510 | SetMomPMMU(ePMMUNone); |
||
| 2511 | } |
||
| 2512 | else if (!as_strcasecmp(ArgStr[1].str.p_str, "ON")) |
||
| 2513 | { |
||
| 2514 | SetFlag(&PMMUAvail, PMMUAvailName, True); |
||
| 2515 | if (!MomPMMU) |
||
| 2516 | SetMomPMMU((tPMMU)pCurrCPUProps->DefPMMU); |
||
| 2517 | } |
||
| 2518 | else |
||
| 2519 | { |
||
| 2520 | tPMMU PMMU; |
||
| 2521 | |||
| 2522 | for (PMMU = (tPMMU)1; PMMU < ePMMUCount; PMMU++) |
||
| 2523 | if (!as_strcasecmp(ArgStr[1].str.p_str, PMMUNames[PMMU])) |
||
| 2524 | { |
||
| 2525 | SetFlag(&PMMUAvail, PMMUAvailName, True); |
||
| 2526 | SetMomPMMU(PMMU); |
||
| 2527 | break; |
||
| 2528 | } |
||
| 2529 | if (PMMU >= ePMMUCount) |
||
| 2530 | WrStrErrorPos(ErrNum_InvPMMUType, &ArgStr[1]); |
||
| 2531 | } |
||
| 2532 | } |
||
| 2533 | } |
||
| 2534 | |||
| 2535 | /*!------------------------------------------------------------------------ |
||
| 2536 | * \fn DecodeBB(Word Code) |
||
| 2537 | * \brief Handle BitBLT Instructions |
||
| 2538 | * \param Code Machine Code & Options |
||
| 2539 | * ------------------------------------------------------------------------ */ |
||
| 2540 | |||
| 2541 | #define BB_NOOPT (1 << 15) |
||
| 2542 | |||
| 2543 | typedef struct |
||
| 2544 | { |
||
| 2545 | char Name[3]; |
||
| 2546 | Byte Pos, Value; |
||
| 2547 | } tBitBltOpt; |
||
| 2548 | |||
| 2549 | static const tBitBltOpt BitBltOpts[] = |
||
| 2550 | { |
||
| 2551 | { "DA" , 17, 1 }, |
||
| 2552 | { "-S" , 15, 1 }, |
||
| 2553 | { "IA" , 17, 0 }, |
||
| 2554 | { "S" , 15, 0 }, |
||
| 2555 | { "" , 0 , 0 } |
||
| 2556 | }; |
||
| 2557 | |||
| 2558 | static void DecodeBB(Word Code) |
||
| 2559 | { |
||
| 2560 | if (ChkArgCnt(0, 2) |
||
| 2561 | && ChkNoAttrPart() |
||
| 2562 | && CheckCore(1 << eCoreGenE)) |
||
| 2563 | { |
||
| 2564 | LongWord OpCode = 0x0e | ((LongWord)(Code & ~BB_NOOPT) << 8), OptMask = 0; |
||
| 2565 | tStrComp *pArg; |
||
| 2566 | const tBitBltOpt *pOpt; |
||
| 2567 | |||
| 2568 | forallargs(pArg, True) |
||
| 2569 | { |
||
| 2570 | for (pOpt = BitBltOpts + ((Code & BB_NOOPT) ? 2 : 0); pOpt->Name[0]; pOpt++) |
||
| 2571 | if (!as_strcasecmp(pArg->str.p_str, pOpt->Name)) |
||
| 2572 | { |
||
| 2573 | LongWord ThisMask = 1ul << pOpt->Pos; |
||
| 2574 | |||
| 2575 | if (OptMask & ThisMask) |
||
| 2576 | { |
||
| 2577 | WrStrErrorPos(ErrNum_ConfBitBltOpt, pArg); |
||
| 2578 | return; |
||
| 2579 | } |
||
| 2580 | OptMask |= ThisMask; |
||
| 2581 | OpCode = pOpt->Value ? (OpCode | ThisMask) : (OpCode & ~ThisMask); |
||
| 2582 | break; |
||
| 2583 | } |
||
| 2584 | if (!pOpt->Name[0]) |
||
| 2585 | { |
||
| 2586 | WrStrErrorPos(ErrNum_UnknownBitBltOpt, pArg); |
||
| 2587 | return; |
||
| 2588 | } |
||
| 2589 | } |
||
| 2590 | PutCode(OpCode, 3); |
||
| 2591 | } |
||
| 2592 | } |
||
| 2593 | |||
| 2594 | /*!------------------------------------------------------------------------ |
||
| 2595 | * \fn DecodeBITxT(Word Code) |
||
| 2596 | * \brief Handle BITBLT instructions without argument |
||
| 2597 | * \param Code Machine Code |
||
| 2598 | * ------------------------------------------------------------------------ */ |
||
| 2599 | |||
| 2600 | static void DecodeBITxT(Word Code) |
||
| 2601 | { |
||
| 2602 | if (ChkArgCnt(0, 0) |
||
| 2603 | && ChkNoAttrPart() |
||
| 2604 | && CheckCore(1 << eCoreGenE)) |
||
| 2605 | PutCode(((LongWord)Code) << 8 | 0x0e, 3); |
||
| 2606 | } |
||
| 2607 | |||
| 2608 | /*!------------------------------------------------------------------------ |
||
| 2609 | * \fn DecodeTBITS(Word Code) |
||
| 2610 | * \brief Handle TBITS Instruction |
||
| 2611 | * \param Code Machine Code |
||
| 2612 | * ------------------------------------------------------------------------ */ |
||
| 2613 | |||
| 2614 | static void DecodeTBITS(Word Code) |
||
| 2615 | { |
||
| 2616 | if (ChkArgCnt(1, 1) |
||
| 2617 | && ChkNoAttrPart() |
||
| 2618 | && CheckCore(1 << eCoreGenE)) |
||
| 2619 | { |
||
| 2620 | Boolean OK; |
||
| 2621 | LongWord Arg = EvalStrIntExpression(&ArgStr[1], UInt1, &OK); |
||
| 2622 | |||
| 2623 | if (OK) |
||
| 2624 | PutCode((Arg << 15) |
||
| 2625 | | (((LongWord)Code) << 8) |
||
| 2626 | | 0x0e, 3); |
||
| 2627 | } |
||
| 2628 | } |
||
| 2629 | |||
| 2630 | /*--------------------------------------------------------------------------*/ |
||
| 2631 | /* Instruction Lookup Table */ |
||
| 2632 | |||
| 2633 | /*!------------------------------------------------------------------------ |
||
| 2634 | * \fn InitFields(void) |
||
| 2635 | * \brief create lookup table |
||
| 2636 | * ------------------------------------------------------------------------ */ |
||
| 2637 | |||
| 2638 | static void AddSizeInstTable(const char *pName, unsigned SizeMask, Word Code, InstProc Proc) |
||
| 2639 | { |
||
| 2640 | char Name[20]; |
||
| 2641 | tSymbolSize Size; |
||
| 2642 | |||
| 2643 | for (Size = eSymbolSize8Bit; Size <= eSymbolSize32Bit; Size++) |
||
| 2644 | if (SizeMask & (1 << Size)) |
||
| 2645 | { |
||
| 2646 | as_snprintf(Name, sizeof(Name), "%s%c", pName, "BWD"[Size - eSymbolSize8Bit]); |
||
| 2647 | AddInstTable(InstTable, Name, Code | (Size << 8), Proc); |
||
| 2648 | } |
||
| 2649 | } |
||
| 2650 | |||
| 2651 | static void AddFSizeInstTable(const char *pName, unsigned SizeMask, Word Code, InstProc Proc) |
||
| 2652 | { |
||
| 2653 | char Name[20]; |
||
| 2654 | tSymbolSize Size; |
||
| 2655 | |||
| 2656 | for (Size = eSymbolSizeFloat32Bit; Size <= eSymbolSizeFloat64Bit; Size++) |
||
| 2657 | if (SizeMask & (1 << Size)) |
||
| 2658 | { |
||
| 2659 | as_snprintf(Name, sizeof(Name), "%s%c", pName, "FL"[Size - eSymbolSizeFloat32Bit]); |
||
| 2660 | AddInstTable(InstTable, Name, Code | (Size << 8), Proc); |
||
| 2661 | } |
||
| 2662 | } |
||
| 2663 | |||
| 2664 | static void AddCSizeInstTable(const char *pName, unsigned SizeMask, Word Code, InstProc Proc) |
||
| 2665 | { |
||
| 2666 | char Name[20]; |
||
| 2667 | tSymbolSize Size; |
||
| 2668 | |||
| 2669 | for (Size = eSymbolSize32Bit; Size <= eSymbolSize64Bit; Size++) |
||
| 2670 | if (SizeMask & (1 << Size)) |
||
| 2671 | { |
||
| 2672 | as_snprintf(Name, sizeof(Name), "%s%c", pName, "DQ"[Size - eSymbolSize32Bit]); |
||
| 2673 | AddInstTable(InstTable, Name, Code | (Size << 8), Proc); |
||
| 2674 | } |
||
| 2675 | } |
||
| 2676 | |||
| 2677 | static void AddCondition(const char *pCondition, Word Code) |
||
| 2678 | { |
||
| 2679 | char Str[20]; |
||
| 2680 | |||
| 2681 | as_snprintf(Str, sizeof(Str), "B%s", pCondition); |
||
| 2682 | AddInstTable(InstTable, Str, (Code << 4) | 0x0a, DecodeFormat0); |
||
| 2683 | as_snprintf(Str, sizeof(Str), "S%s", pCondition); |
||
| 2684 | AddSizeInstTable(Str, (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), Code, DecodeScond); |
||
| 2685 | } |
||
| 2686 | |||
| 2687 | static void AddCtl(const char *pName, Word Code, Boolean Privileged) |
||
| 2688 | { |
||
| 2689 | order_array_rsv_end(CtlRegs, tCtlReg); |
||
| 2690 | CtlRegs[InstrZ ].pName = pName; |
||
| 2691 | CtlRegs[InstrZ ].Code = Code; |
||
| 2692 | CtlRegs[InstrZ++].Privileged = Privileged; |
||
| 2693 | } |
||
| 2694 | |||
| 2695 | static void AddMMU(const char *pName, Word Code, Word Mask, Boolean Privileged) |
||
| 2696 | { |
||
| 2697 | order_array_rsv_end(MMURegs, tCtlReg); |
||
| 2698 | MMURegs[InstrZ ].pName = pName; |
||
| 2699 | MMURegs[InstrZ ].Code = Code; |
||
| 2700 | MMURegs[InstrZ ].Mask = Mask; |
||
| 2701 | MMURegs[InstrZ++].Privileged = Privileged; |
||
| 2702 | } |
||
| 2703 | |||
| 2704 | static void InitFields(void) |
||
| 2705 | { |
||
| 2706 | InstTable = CreateInstTable(605); |
||
| 2707 | SetDynamicInstTable(InstTable); |
||
| 2708 | |||
| 2709 | add_null_pseudo(InstTable); |
||
| 2710 | |||
| 2711 | InstrZ = 0; |
||
| 2712 | AddCtl("UPSR" , 0x00, True ); |
||
| 2713 | AddCtl("DCR" , 0x01, True ); |
||
| 2714 | AddCtl("BPC" , 0x02, True ); |
||
| 2715 | AddCtl("DSR" , 0x03, True ); |
||
| 2716 | AddCtl("CAR" , 0x04, True ); |
||
| 2717 | AddCtl("FP" , 0x08, False); |
||
| 2718 | AddCtl("SP" , 0x09, False); |
||
| 2719 | AddCtl("SB" , 0x0a, False); |
||
| 2720 | AddCtl("USP" , 0x0b, True ); |
||
| 2721 | AddCtl("CFG" , 0x0c, True ); |
||
| 2722 | AddCtl("PSR" , 0x0d, False); |
||
| 2723 | AddCtl("INTBASE", 0x0e, True ); |
||
| 2724 | AddCtl("MOD" , 0x0f, False); |
||
| 2725 | AddCtl(NULL , 0 , False); |
||
| 2726 | |||
| 2727 | InstrZ = 0; |
||
| 2728 | AddMMU("BPR0" , 0x00, (1 << ePMMU16082) | (1 << ePMMU32082) , True ); |
||
| 2729 | AddMMU("BPR1" , 0x01, (1 << ePMMU16082) | (1 << ePMMU32082) , True ); |
||
| 2730 | AddMMU("MSR" , 0x0a, (1 << ePMMU16082) | (1 << ePMMU32082) | (1 << ePMMU32532), True ); |
||
| 2731 | AddMMU("BCNT" , 0x0b, (1 << ePMMU16082) | (1 << ePMMU32082) , True ); |
||
| 2732 | AddMMU("PTB0" , 0x0c, (1 << ePMMU16082) | (1 << ePMMU32082) | (1 << ePMMU32382) | (1 << ePMMU32532), True ); |
||
| 2733 | AddMMU("PTB1" , 0x0d, (1 << ePMMU16082) | (1 << ePMMU32082) | (1 << ePMMU32382) | (1 << ePMMU32532), True ); |
||
| 2734 | AddMMU("EIA" , 0x0f, (1 << ePMMU16082) | (1 << ePMMU32082) , True ); |
||
| 2735 | AddMMU("BAR" , 0x00, (1 << ePMMU32382) , True ); |
||
| 2736 | AddMMU("BMR" , 0x02, (1 << ePMMU32382) , True ); |
||
| 2737 | AddMMU("BDR" , 0x03, (1 << ePMMU32382) , True ); |
||
| 2738 | AddMMU("BEAR" , 0x06, (1 << ePMMU32382) , True ); |
||
| 2739 | AddMMU("FEW" , 0x09, (1 << ePMMU32382) , True ); |
||
| 2740 | AddMMU("ASR" , 0x0a, (1 << ePMMU32382) , True ); |
||
| 2741 | AddMMU("TEAR" , 0x0b, (1 << ePMMU32382) | (1 << ePMMU32532), True ); |
||
| 2742 | /* TODO: 8 according to National docu, but 9 according to sample code */ |
||
| 2743 | AddMMU("MCR" , 0x09, (1 << ePMMU32532), True ); |
||
| 2744 | AddMMU("IVAR0" , 0x0e, (1 << ePMMU32382) | (1 << ePMMU32532), True );/* w/o */ |
||
| 2745 | AddMMU("IVAR1" , 0x0f, (1 << ePMMU32382) | (1 << ePMMU32532), True );/* w/o */ |
||
| 2746 | AddMMU(NULL , 0, 0, False); |
||
| 2747 | |||
| 2748 | AddCondition("EQ", 0); |
||
| 2749 | AddCondition("NE", 1); |
||
| 2750 | AddCondition("CS", 2); |
||
| 2751 | AddCondition("CC", 3); |
||
| 2752 | AddCondition("HI", 4); |
||
| 2753 | AddCondition("LS", 5); |
||
| 2754 | AddCondition("GT", 6); |
||
| 2755 | AddCondition("LE", 7); |
||
| 2756 | AddCondition("FS", 8); |
||
| 2757 | AddCondition("FC", 9); |
||
| 2758 | AddCondition("LO", 10); |
||
| 2759 | AddCondition("HS", 11); |
||
| 2760 | AddCondition("LT", 12); |
||
| 2761 | AddCondition("GE", 13); |
||
| 2762 | |||
| 2763 | /* Format 0 */ |
||
| 2764 | |||
| 2765 | AddInstTable(InstTable, "BR" , 0xea, DecodeFormat0); |
||
| 2766 | AddInstTable(InstTable, "BSR", 0x02, DecodeFormat0); |
||
| 2767 | |||
| 2768 | /* Format 1 */ |
||
| 2769 | |||
| 2770 | AddInstTable(InstTable, "BPT" , 0xf2, DecodeFixed); |
||
| 2771 | AddInstTable(InstTable, "DIA" , 0xc2, DecodeFixed); |
||
| 2772 | AddInstTable(InstTable, "FLAG", 0xd2, DecodeFixed); |
||
| 2773 | AddInstTable(InstTable, "NOP" , NOPCode, DecodeFixed); |
||
| 2774 | AddInstTable(InstTable, "RETI", 0x52, DecodeFixed); |
||
| 2775 | AddInstTable(InstTable, "SVC" , 0xe2, DecodeFixed); |
||
| 2776 | AddInstTable(InstTable, "WAIT", 0xb2, DecodeFixed); |
||
| 2777 | AddInstTable(InstTable, "RET" , 0x12, DecodeRET); |
||
| 2778 | AddInstTable(InstTable, "RETT", 0x42, DecodeRET); |
||
| 2779 | AddInstTable(InstTable, "RXP" , 0x32, DecodeRET); |
||
| 2780 | AddInstTable(InstTable, "SAVE", 0x62, DecodeSAVE_RESTORE); |
||
| 2781 | AddInstTable(InstTable, "RESTORE", 0x72, DecodeSAVE_RESTORE); |
||
| 2782 | |||
| 2783 | AddInstTable(InstTable, "CINV", 0x271e, DecodeCINV); |
||
| 2784 | AddInstTable(InstTable, "CXP" , 0x22, DecodeCXP); |
||
| 2785 | AddInstTable(InstTable, "ENTER", 0x82, DecodeENTER); |
||
| 2786 | AddInstTable(InstTable, "EXIT", 0x92, DecodeEXIT); |
||
| 2787 | |||
| 2788 | /* Format 2 */ |
||
| 2789 | |||
| 2790 | AddSizeInstTable("ADDQ" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0, DecodeMOVQ); |
||
| 2791 | AddSizeInstTable("LPR" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 6, DecodeLPR_SPR); |
||
| 2792 | AddSizeInstTable("SPR" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 2, DecodeLPR_SPR); |
||
| 2793 | AddSizeInstTable("MOVQ" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 5, DecodeMOVQ); |
||
| 2794 | AddSizeInstTable("ACB" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 4, DecodeACB); |
||
| 2795 | AddSizeInstTable("CMPQ" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 1 | MOVQ_DESTMAYIMM, DecodeMOVQ); |
||
| 2796 | |||
| 2797 | /* Format 3 */ |
||
| 2798 | |||
| 2799 | AddInstTable(InstTable, "JUMP" , 0x04 | (eSymbolSize32Bit << 8), DecodeFormat3); |
||
| 2800 | AddInstTable(InstTable, "JSR" , 0x0c | (eSymbolSize32Bit << 8), DecodeFormat3); |
||
| 2801 | AddSizeInstTable("ADJSP" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0a, DecodeFormat3); |
||
| 2802 | AddSizeInstTable("BICPSR", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit), 0x02, DecodeFormat3); |
||
| 2803 | AddSizeInstTable("BISPSR", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit), 0x06, DecodeFormat3); |
||
| 2804 | AddSizeInstTable("CASE" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0e, DecodeFormat3); |
||
| 2805 | AddInstTable(InstTable, "CXPD" , 0x00 | (eSymbolSize32Bit << 8), DecodeFormat3); |
||
| 2806 | |||
| 2807 | /* Format 4 */ |
||
| 2808 | |||
| 2809 | AddSizeInstTable("MOV" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x05, DecodeFormat4); |
||
| 2810 | AddSizeInstTable("ADD" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x00, DecodeFormat4); |
||
| 2811 | AddSizeInstTable("ADDC", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x04, DecodeFormat4); |
||
| 2812 | AddInstTable(InstTable, "ADDR", (eSymbolSize32Bit << 8) | FMT4_SRCISADDR | 0x09, DecodeFormat4); |
||
| 2813 | AddSizeInstTable("AND" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0a, DecodeFormat4); |
||
| 2814 | AddSizeInstTable("BIC" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x02, DecodeFormat4); |
||
| 2815 | AddSizeInstTable("CMP" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), FMT4_DESTMAYIMM | 0x01, DecodeFormat4); |
||
| 2816 | AddSizeInstTable("OR" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x06, DecodeFormat4); |
||
| 2817 | AddSizeInstTable("SUB" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x08, DecodeFormat4); |
||
| 2818 | AddSizeInstTable("SUBC", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0c, DecodeFormat4); |
||
| 2819 | AddSizeInstTable("TBIT", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0d, DecodeFormat4); |
||
| 2820 | AddSizeInstTable("XOR" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0e, DecodeFormat4); |
||
| 2821 | |||
| 2822 | /* Format 5 */ |
||
| 2823 | |||
| 2824 | AddSizeInstTable("MOVS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x00, DecodeMOVS_CMPS_SKPS); |
||
| 2825 | AddSizeInstTable("CMPS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x01, DecodeMOVS_CMPS_SKPS); |
||
| 2826 | AddSizeInstTable("SKPS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x03, DecodeMOVS_CMPS_SKPS); |
||
| 2827 | AddInstTable(InstTable, "MOVST", (eSymbolSize8Bit << 8) | 0x20, DecodeMOVS_CMPS_SKPS); |
||
| 2828 | AddInstTable(InstTable, "CMPST", (eSymbolSize8Bit << 8) | 0x21, DecodeMOVS_CMPS_SKPS); |
||
| 2829 | AddInstTable(InstTable, "SKPST", (eSymbolSize8Bit << 8) | 0x23, DecodeMOVS_CMPS_SKPS); |
||
| 2830 | AddInstTable(InstTable, "SETCFG", 0xb0e, DecodeSETCFG); |
||
| 2831 | |||
| 2832 | /* Format 6 */ |
||
| 2833 | |||
| 2834 | AddSizeInstTable("ABS" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0c, DecodeFormat6); |
||
| 2835 | AddSizeInstTable("ADDP" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0f, DecodeFormat6); |
||
| 2836 | AddSizeInstTable("ASH" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), FMT6_SRC8BIT | 0x01, DecodeFormat6); |
||
| 2837 | AddSizeInstTable("CBIT" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x02, DecodeFormat6); |
||
| 2838 | AddSizeInstTable("CBITI" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x03, DecodeFormat6); |
||
| 2839 | AddSizeInstTable("COM" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0d, DecodeFormat6); |
||
| 2840 | AddSizeInstTable("IBIT" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0e, DecodeFormat6); |
||
| 2841 | AddSizeInstTable("LSH" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), FMT6_SRC8BIT | 0x05, DecodeFormat6); |
||
| 2842 | AddSizeInstTable("NEG" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x08, DecodeFormat6); |
||
| 2843 | AddSizeInstTable("NOT" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x09, DecodeFormat6); |
||
| 2844 | AddSizeInstTable("ROT" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), FMT6_SRC8BIT | 0x00, DecodeFormat6); |
||
| 2845 | AddSizeInstTable("SBIT" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x06, DecodeFormat6); |
||
| 2846 | AddSizeInstTable("SBITI" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x07, DecodeFormat6); |
||
| 2847 | AddSizeInstTable("SUBP" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0b, DecodeFormat6); |
||
| 2848 | |||
| 2849 | /* Format 7 */ |
||
| 2850 | |||
| 2851 | AddSizeInstTable("DIV" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0f, DecodeFormat7); |
||
| 2852 | AddSizeInstTable("MOD" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0e, DecodeFormat7); |
||
| 2853 | AddSizeInstTable("MUL" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x08, DecodeFormat7); |
||
| 2854 | AddSizeInstTable("QUO" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0c, DecodeFormat7); |
||
| 2855 | AddSizeInstTable("REM" , (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0d, DecodeFormat7); |
||
| 2856 | |||
| 2857 | AddInstTable(InstTable, "MOVXBW", (eSymbolSize8Bit << 8) | (eSymbolSize16Bit << 12) | 1, DecodeMOVExt); |
||
| 2858 | AddInstTable(InstTable, "MOVXBD", (eSymbolSize8Bit << 8) | (eSymbolSize32Bit << 12) | 1, DecodeMOVExt); |
||
| 2859 | AddInstTable(InstTable, "MOVXWD", (eSymbolSize16Bit << 8) | (eSymbolSize32Bit << 12) | 1, DecodeMOVExt); |
||
| 2860 | AddInstTable(InstTable, "MOVZBW", (eSymbolSize8Bit << 8) | (eSymbolSize16Bit << 12) | 0, DecodeMOVExt); |
||
| 2861 | AddInstTable(InstTable, "MOVZBD", (eSymbolSize8Bit << 8) | (eSymbolSize32Bit << 12) | 0, DecodeMOVExt); |
||
| 2862 | AddInstTable(InstTable, "MOVZWD", (eSymbolSize16Bit << 8) | (eSymbolSize32Bit << 12) | 0, DecodeMOVExt); |
||
| 2863 | |||
| 2864 | AddSizeInstTable("MOVM", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x00, DecodeMOVM_CMPM); |
||
| 2865 | AddSizeInstTable("CMPM", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x01, DecodeMOVM_CMPM); |
||
| 2866 | |||
| 2867 | AddSizeInstTable("DEI", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0b, DecodeDoubleDest); |
||
| 2868 | AddSizeInstTable("MEI", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x09, DecodeDoubleDest); |
||
| 2869 | |||
| 2870 | AddSizeInstTable("EXTS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x03, DecodeINSS_EXTS); |
||
| 2871 | AddSizeInstTable("INSS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x02, DecodeINSS_EXTS); |
||
| 2872 | |||
| 2873 | /* Format 8 */ |
||
| 2874 | |||
| 2875 | AddSizeInstTable("CHECK", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0e, DecodeCHECK_INDEX); |
||
| 2876 | AddInstTable(InstTable, "CVTP", (eSymbolSize32Bit << 8) | 0x06, DecodeCHECK_INDEX); |
||
| 2877 | AddSizeInstTable("INDEX", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x42, DecodeCHECK_INDEX); |
||
| 2878 | |||
| 2879 | AddSizeInstTable("EXT", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0, DecodeINS_EXT); |
||
| 2880 | AddSizeInstTable("INS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 1, DecodeINS_EXT); |
||
| 2881 | |||
| 2882 | AddSizeInstTable("FFS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x01, DecodeFFS); |
||
| 2883 | |||
| 2884 | AddSizeInstTable("MOVSU", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x3, DecodeMOVSU); |
||
| 2885 | AddSizeInstTable("MOVUS", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x7, DecodeMOVSU); |
||
| 2886 | |||
| 2887 | /* Format 9 */ |
||
| 2888 | |||
| 2889 | AddSizeInstTable("FLOORF", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0f, DecodeFLOOR_ROUND_TRUNC); |
||
| 2890 | AddSizeInstTable("FLOORL", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0e, DecodeFLOOR_ROUND_TRUNC); |
||
| 2891 | AddSizeInstTable("ROUNDF", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x09, DecodeFLOOR_ROUND_TRUNC); |
||
| 2892 | AddSizeInstTable("ROUNDL", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x08, DecodeFLOOR_ROUND_TRUNC); |
||
| 2893 | AddSizeInstTable("TRUNCF", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0b, DecodeFLOOR_ROUND_TRUNC); |
||
| 2894 | AddSizeInstTable("TRUNCL", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0a, DecodeFLOOR_ROUND_TRUNC); |
||
| 2895 | AddInstTable(InstTable, "MOVBF", 0x01 | (eSymbolSize8Bit << 8), DecodeMOVif); |
||
| 2896 | AddInstTable(InstTable, "MOVWF", 0x01 | (eSymbolSize16Bit << 8), DecodeMOVif); |
||
| 2897 | AddInstTable(InstTable, "MOVDF", 0x01 | (eSymbolSize32Bit << 8), DecodeMOVif); |
||
| 2898 | AddInstTable(InstTable, "MOVBL", 0x00 | (eSymbolSize8Bit << 8), DecodeMOVif); |
||
| 2899 | AddInstTable(InstTable, "MOVWL", 0x00 | (eSymbolSize16Bit << 8), DecodeMOVif); |
||
| 2900 | AddInstTable(InstTable, "MOVDL", 0x00 | (eSymbolSize32Bit << 8), DecodeMOVif); |
||
| 2901 | |||
| 2902 | AddInstTable(InstTable, "LFSR", 0x0f | FMT9_MAYIMM, DecodeLFSR_SFSR); |
||
| 2903 | AddInstTable(InstTable, "SFSR", 0x37, DecodeLFSR_SFSR); |
||
| 2904 | |||
| 2905 | AddInstTable(InstTable, "MOVFL" , 0x1b3e, DecodeMOVF); |
||
| 2906 | AddInstTable(InstTable, "MOVLF" , 0x163e, DecodeMOVF); |
||
| 2907 | |||
| 2908 | /* Format 11 */ |
||
| 2909 | |||
| 2910 | AddFSizeInstTable("ABS", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x0d, DecodeFormat11); |
||
| 2911 | AddFSizeInstTable("ADD", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x00, DecodeFormat11); |
||
| 2912 | AddFSizeInstTable("CMP", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x02 | FMT11_DESTMAYIMM, DecodeFormat11); |
||
| 2913 | AddFSizeInstTable("DIV", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x08, DecodeFormat11); |
||
| 2914 | AddFSizeInstTable("MOV", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x01, DecodeFormat11); |
||
| 2915 | AddFSizeInstTable("MUL", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x0c, DecodeFormat11); |
||
| 2916 | AddFSizeInstTable("NEG", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x05, DecodeFormat11); |
||
| 2917 | AddFSizeInstTable("SUB", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x04, DecodeFormat11); |
||
| 2918 | |||
| 2919 | /* Format 12 - only newer FPUs? */ |
||
| 2920 | |||
| 2921 | AddFSizeInstTable("DOT" , (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x03 | FMT12_DESTMAYIMM, DecodeFormat12); |
||
| 2922 | AddFSizeInstTable("LOGB" , (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x05, DecodeFormat12); |
||
| 2923 | AddFSizeInstTable("POLY" , (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x02 | FMT12_DESTMAYIMM, DecodeFormat12); |
||
| 2924 | AddFSizeInstTable("SCALB", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x04, DecodeFormat12); |
||
| 2925 | AddFSizeInstTable("REM" , (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), 0x00, DecodeFormat12); |
||
| 2926 | AddFSizeInstTable("SQRT" , (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), FMT12_580 | 0x01, DecodeFormat12); |
||
| 2927 | AddFSizeInstTable("ATAN2", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), FMT12_580 | 0x0c, DecodeFormat12); |
||
| 2928 | AddFSizeInstTable("SICOS", (1 << eSymbolSizeFloat32Bit) | (1 << eSymbolSizeFloat64Bit), FMT12_580 | 0x0d, DecodeFormat12); |
||
| 2929 | |||
| 2930 | /* Format 14 */ |
||
| 2931 | |||
| 2932 | AddInstTable(InstTable, "LMR" , 0x02 | (eSymbolSize32Bit << 8), DecodeLMR_SMR); |
||
| 2933 | AddInstTable(InstTable, "SMR" , 0x03 | (eSymbolSize32Bit << 8), DecodeLMR_SMR); |
||
| 2934 | AddInstTable(InstTable, "RDVAL", 0x00 | (eSymbolSize32Bit << 8), DecodeRDVAL_WRVAL); |
||
| 2935 | AddInstTable(InstTable, "WRVAL", 0x01 | (eSymbolSize32Bit << 8), DecodeRDVAL_WRVAL); |
||
| 2936 | |||
| 2937 | AddInstTable(InstTable, "REG" , 0, CodeREG); |
||
| 2938 | AddInstTable(InstTable, "BYTE" , eIntPseudoFlag_LittleEndian | eIntPseudoFlag_AllowInt | eIntPseudoFlag_AllowString , DecodeIntelDB); |
||
| 2939 | AddInstTable(InstTable, "WORD" , eIntPseudoFlag_LittleEndian | eIntPseudoFlag_AllowInt | eIntPseudoFlag_AllowString , DecodeIntelDW); |
||
| 2940 | AddInstTable(InstTable, "DOUBLE" , eIntPseudoFlag_LittleEndian | eIntPseudoFlag_AllowInt | eIntPseudoFlag_AllowString , DecodeIntelDD); |
||
| 2941 | AddInstTable(InstTable, "FLOAT" , eIntPseudoFlag_LittleEndian | eIntPseudoFlag_AllowFloat , DecodeIntelDD); |
||
| 2942 | AddInstTable(InstTable, "LONG" , eIntPseudoFlag_LittleEndian | eIntPseudoFlag_AllowFloat , DecodeIntelDQ); |
||
| 2943 | AddInstTable(InstTable, "FPU" , 0, CodeFPU); |
||
| 2944 | AddInstTable(InstTable, "PMMU" , 0, CodePMMU); |
||
| 2945 | |||
| 2946 | /* Format 15.0 */ |
||
| 2947 | |||
| 2948 | AddInstTable(InstTable, "LCR", 0x0a | FMT15_0_MAYIMM, DecodeLCR_SCR); |
||
| 2949 | AddInstTable(InstTable, "SCR", 0x0b , DecodeLCR_SCR); |
||
| 2950 | AddInstTable(InstTable, "CATST0", 0x00, DecodeCATST); |
||
| 2951 | AddInstTable(InstTable, "CATST1", 0x01, DecodeCATST); |
||
| 2952 | |||
| 2953 | /* Format 15.1 */ |
||
| 2954 | |||
| 2955 | AddSizeInstTable("CCV0Q", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0e, DecodeCCVci); |
||
| 2956 | AddSizeInstTable("CCV0D", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0f, DecodeCCVci); |
||
| 2957 | AddSizeInstTable("CCV1Q", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0a, DecodeCCVci); |
||
| 2958 | AddSizeInstTable("CCV1D", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x0b, DecodeCCVci); |
||
| 2959 | AddSizeInstTable("CCV2Q", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x08, DecodeCCVci); |
||
| 2960 | AddSizeInstTable("CCV2D", (1 << eSymbolSize8Bit) | (1 << eSymbolSize16Bit) | (1 << eSymbolSize32Bit), 0x09, DecodeCCVci); |
||
| 2961 | AddInstTable(InstTable, "CCV3BQ", (eSymbolSize8Bit << 8) | 0x00, DecodeCCVic); |
||
| 2962 | AddInstTable(InstTable, "CCV3WQ", (eSymbolSize16Bit << 8) | 0x00, DecodeCCVic); |
||
| 2963 | AddInstTable(InstTable, "CCV3DQ", (eSymbolSize32Bit << 8) | 0x00, DecodeCCVic); |
||
| 2964 | AddInstTable(InstTable, "CCV3BD", (eSymbolSize8Bit << 8) | 0x01, DecodeCCVic); |
||
| 2965 | AddInstTable(InstTable, "CCV3WD", (eSymbolSize16Bit << 8) | 0x01, DecodeCCVic); |
||
| 2966 | AddInstTable(InstTable, "CCV3DD", (eSymbolSize32Bit << 8) | 0x01, DecodeCCVic); |
||
| 2967 | AddInstTable(InstTable, "CCV4DQ", 0x07, DecodeCCVcc); |
||
| 2968 | AddInstTable(InstTable, "CCV5QD", 0x04, DecodeCCVcc); |
||
| 2969 | AddInstTable(InstTable, "LCSR", 0x01 | FMT15_1_MAYIMM, DecodeLCSR_SCSR); |
||
| 2970 | AddInstTable(InstTable, "SCSR", 0x06, DecodeLCSR_SCSR); |
||
| 2971 | |||
| 2972 | /* Format 15.5/15.7 */ |
||
| 2973 | |||
| 2974 | AddCSizeInstTable("CCAL0", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x00, DecodeFormat15_5_7); |
||
| 2975 | AddCSizeInstTable("CMOV0", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x01, DecodeFormat15_5_7); |
||
| 2976 | AddCSizeInstTable("CCMP" , (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_5_DESTMAYIMM | 0x02, DecodeFormat15_5_7); |
||
| 2977 | AddCSizeInstTable("CCMP1", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_5_DESTMAYIMM | 0x03, DecodeFormat15_5_7); |
||
| 2978 | AddCSizeInstTable("CCAL1", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x04, DecodeFormat15_5_7); |
||
| 2979 | AddCSizeInstTable("CMOV2", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x05, DecodeFormat15_5_7); |
||
| 2980 | AddCSizeInstTable("CCAL3", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x08, DecodeFormat15_5_7); |
||
| 2981 | AddCSizeInstTable("CMOV3", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x09, DecodeFormat15_5_7); |
||
| 2982 | AddCSizeInstTable("CCAL2", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x0c, DecodeFormat15_5_7); |
||
| 2983 | AddCSizeInstTable("CMOV1", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), 0x0d, DecodeFormat15_5_7); |
||
| 2984 | AddCSizeInstTable("CCAL4", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x00, DecodeFormat15_5_7); |
||
| 2985 | AddCSizeInstTable("CMOV4", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x01, DecodeFormat15_5_7); |
||
| 2986 | AddCSizeInstTable("CCAL8", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x02, DecodeFormat15_5_7); |
||
| 2987 | AddCSizeInstTable("CCAL9", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x03, DecodeFormat15_5_7); |
||
| 2988 | AddCSizeInstTable("CCAL5", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x04, DecodeFormat15_5_7); |
||
| 2989 | AddCSizeInstTable("CMOV6", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x05, DecodeFormat15_5_7); |
||
| 2990 | AddCSizeInstTable("CCAL7", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x08, DecodeFormat15_5_7); |
||
| 2991 | AddCSizeInstTable("CMOV7", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x09, DecodeFormat15_5_7); |
||
| 2992 | AddCSizeInstTable("CCAL6", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x0c, DecodeFormat15_5_7); |
||
| 2993 | AddCSizeInstTable("CMOV5", (1 << eSymbolSize32Bit) | (1 << eSymbolSize64Bit), FMT15_7 | 0x0d, DecodeFormat15_5_7); |
||
| 2994 | |||
| 2995 | /* BITBLT */ |
||
| 2996 | |||
| 2997 | AddInstTable(InstTable, "BBAND" , 0x12b, DecodeBB); |
||
| 2998 | AddInstTable(InstTable, "BBOR" , 0x019, DecodeBB); |
||
| 2999 | AddInstTable(InstTable, "BBXOR" , 0x039, DecodeBB); |
||
| 3000 | AddInstTable(InstTable, "BBFOR" , BB_NOOPT | 0x031, DecodeBB); |
||
| 3001 | AddInstTable(InstTable, "BBSTOD" , 0x011, DecodeBB); |
||
| 3002 | |||
| 3003 | AddInstTable(InstTable, "BITWT" , 0x21, DecodeBITxT); |
||
| 3004 | AddInstTable(InstTable, "EXTBLT" , 0x17, DecodeBITxT); |
||
| 3005 | AddInstTable(InstTable, "MOVMPB" , 0x1c, DecodeBITxT); |
||
| 3006 | AddInstTable(InstTable, "MOVMPW" , 0x1d, DecodeBITxT); |
||
| 3007 | AddInstTable(InstTable, "MOVMPD" , 0x1f, DecodeBITxT); |
||
| 3008 | AddInstTable(InstTable, "SBITS" , 0x37, DecodeBITxT); |
||
| 3009 | AddInstTable(InstTable, "SBITPS" , 0x2f, DecodeBITxT); |
||
| 3010 | |||
| 3011 | AddInstTable(InstTable, "TBITS" , 0x27, DecodeTBITS); |
||
| 3012 | |||
| 3013 | AddIntelPseudo(InstTable, eIntPseudoFlag_DynEndian); |
||
| 3014 | } |
||
| 3015 | |||
| 3016 | /*!------------------------------------------------------------------------ |
||
| 3017 | * \fn DeinitFields(void) |
||
| 3018 | * \brief destroy/cleanup lookup table |
||
| 3019 | * ------------------------------------------------------------------------ */ |
||
| 3020 | |||
| 3021 | static void DeinitFields(void) |
||
| 3022 | { |
||
| 3023 | DestroyInstTable(InstTable); |
||
| 3024 | order_array_free(CtlRegs); |
||
| 3025 | order_array_free(MMURegs); |
||
| 3026 | } |
||
| 3027 | |||
| 3028 | /*--------------------------------------------------------------------------*/ |
||
| 3029 | /* Interface Functions */ |
||
| 3030 | |||
| 3031 | /*!------------------------------------------------------------------------ |
||
| 3032 | * \fn MakeCode_NS32K(void) |
||
| 3033 | * \brief encode machine instruction |
||
| 3034 | * ------------------------------------------------------------------------ */ |
||
| 3035 | |||
| 3036 | static void MakeCode_NS32K(void) |
||
| 3037 | { |
||
| 3038 | OpSize = eSymbolSizeUnknown; |
||
| 3039 | |||
| 3040 | if (!LookupInstTable(InstTable, OpPart.str.p_str)) |
||
| 3041 | WrStrErrorPos(ErrNum_UnknownInstruction, &OpPart); |
||
| 3042 | } |
||
| 3043 | |||
| 3044 | /*!------------------------------------------------------------------------ |
||
| 3045 | * \fn InternSymbol_NS32K(char *pArg, TempResult *pResult) |
||
| 3046 | * \brief handle built-in symbols on NS32000 |
||
| 3047 | * \param pArg source argument |
||
| 3048 | * \param pResult result buffer |
||
| 3049 | * ------------------------------------------------------------------------ */ |
||
| 3050 | |||
| 3051 | static void InternSymbol_NS32K(char *pArg, TempResult *pResult) |
||
| 3052 | { |
||
| 3053 | Word Reg; |
||
| 3054 | tSymbolSize Size; |
||
| 3055 | |||
| 3056 | if (DecodeRegCore(pArg, &Reg, &Size)) |
||
| 3057 | { |
||
| 3058 | pResult->Typ = TempReg; |
||
| 3059 | pResult->DataSize = Size; |
||
| 3060 | pResult->Contents.RegDescr.Reg = Reg; |
||
| 3061 | pResult->Contents.RegDescr.Dissect = DissectReg_NS32K; |
||
| 3062 | pResult->Contents.RegDescr.compare = NULL; |
||
| 3063 | } |
||
| 3064 | } |
||
| 3065 | |||
| 3066 | /*!------------------------------------------------------------------------ |
||
| 3067 | * \fn InitCode_NS32K(void) |
||
| 3068 | * \brief target-specific initializations before starting a pass |
||
| 3069 | * ------------------------------------------------------------------------ */ |
||
| 3070 | |||
| 3071 | static void InitCode_NS32K(void) |
||
| 3072 | { |
||
| 3073 | SetMomFPU(eFPUNone); |
||
| 3074 | SetMomPMMU(ePMMUNone); |
||
| 3075 | } |
||
| 3076 | |||
| 3077 | /*!------------------------------------------------------------------------ |
||
| 3078 | * \fn IsDef_NS32K(void) |
||
| 3079 | * \brief check whether insn makes own use of label |
||
| 3080 | * \return True if yes |
||
| 3081 | * ------------------------------------------------------------------------ */ |
||
| 3082 | |||
| 3083 | static Boolean IsDef_NS32K(void) |
||
| 3084 | { |
||
| 3085 | return Memo("REG"); |
||
| 3086 | } |
||
| 3087 | |||
| 3088 | /*!------------------------------------------------------------------------ |
||
| 3089 | * \fn SwitchTo_NS32K(void *pUser) |
||
| 3090 | * \brief prepare to assemble code for this target |
||
| 3091 | * \param pUser CPU properties |
||
| 3092 | * ------------------------------------------------------------------------ */ |
||
| 3093 | |||
| 3094 | static Boolean ChkMoreZeroArg(void) |
||
| 3095 | { |
||
| 3096 | return (ArgCnt > 0); |
||
| 3097 | } |
||
| 3098 | |||
| 3099 | static void SwitchTo_NS32K(void *pUser) |
||
| 3100 | { |
||
| 3101 | const TFamilyDescr *pDescr = FindFamilyByName("NS32000"); |
||
| 3102 | |||
| 3103 | TurnWords = True; |
||
| 3104 | SetIntConstMode(eIntConstModeIntel); |
||
| 3105 | SaveIsOccupiedFnc = ChkMoreZeroArg; |
||
| 3106 | RestoreIsOccupiedFnc = ChkMoreZeroArg; |
||
| 3107 | |||
| 3108 | pCurrCPUProps = (const tCPUProps*)pUser; |
||
| 3109 | |||
| 3110 | /* default selection of "typical" companion FPU/PMMU: */ |
||
| 3111 | |||
| 3112 | SetMomFPU((tFPU)pCurrCPUProps->DefFPU); |
||
| 3113 | SetMomPMMU((tPMMU)pCurrCPUProps->DefPMMU); |
||
| 3114 | |||
| 3115 | PCSymbol = "*"; HeaderID = pDescr->Id; |
||
| 3116 | NOPCode = 0xa2; |
||
| 3117 | DivideChars = ","; |
||
| 3118 | HasAttrs = True; AttrChars = "."; |
||
| 3119 | |||
| 3120 | ValidSegs = (1 << SegCode); |
||
| 3121 | Grans[SegCode] = 1; ListGrans[SegCode] = 1; SegInits[SegCode] = 0; |
||
| 3122 | SegLimits[SegCode] = IntTypeDefs[pCurrCPUProps->MemIntType].Max; |
||
| 3123 | |||
| 3124 | MakeCode = MakeCode_NS32K; |
||
| 3125 | IsDef = IsDef_NS32K; |
||
| 3126 | DissectReg = DissectReg_NS32K; |
||
| 3127 | InternSymbol = InternSymbol_NS32K; |
||
| 3128 | SwitchFrom = DeinitFields; |
||
| 3129 | IntConstModeIBMNoTerm = True; |
||
| 3130 | QualifyQuote = QualifyQuote_SingleQuoteConstant; |
||
| 3131 | InitFields(); |
||
| 3132 | onoff_supmode_add(); |
||
| 3133 | onoff_bigendian_add(); |
||
| 3134 | if (!onoff_test_and_set(e_onoff_reg_custom)) |
||
| 3135 | SetFlag(&CustomAvail, CustomAvailSymName, False); |
||
| 3136 | AddONOFF(CustomAvailCmdName, &CustomAvail, CustomAvailSymName, False); |
||
| 3137 | } |
||
| 3138 | |||
| 3139 | /*!------------------------------------------------------------------------ |
||
| 3140 | * \fn codens32000_init(void) |
||
| 3141 | * \brief register target to AS |
||
| 3142 | * ------------------------------------------------------------------------ */ |
||
| 3143 | |||
| 3144 | static const tCPUProps CPUProps[] = |
||
| 3145 | { |
||
| 3146 | { "NS16008", eCoreGen1 , eFPU16081, ePMMU16082, UInt24 }, |
||
| 3147 | { "NS32008", eCoreGen1 , eFPU32081, ePMMU32082, UInt24 }, |
||
| 3148 | { "NS08032", eCoreGen1 , eFPU32081, ePMMU32082, UInt24 }, |
||
| 3149 | { "NS16032", eCoreGen1 , eFPU16081, ePMMU16082, UInt24 }, |
||
| 3150 | { "NS32016", eCoreGen1 , eFPU32081, ePMMU32082, UInt24 }, |
||
| 3151 | { "NS32032", eCoreGen1 , eFPU32081, ePMMU32082, UInt24 }, |
||
| 3152 | { "NS32332", eCoreGen1Ext, eFPU32381, ePMMU32382, UInt32 }, |
||
| 3153 | { "NS32CG16",eCoreGenE , eFPU32181, ePMMU32082, UInt24 }, |
||
| 3154 | { "NS32532", eCoreGen2 , eFPU32381, ePMMU32532, UInt32 }, |
||
| 3155 | { NULL , eCoreNone , eFPUNone , ePMMUNone , UInt1 } |
||
| 3156 | }; |
||
| 3157 | |||
| 3158 | void codens32k_init(void) |
||
| 3159 | { |
||
| 3160 | const tCPUProps *pRun; |
||
| 3161 | |||
| 3162 | for (pRun = CPUProps; pRun->pName; pRun++) |
||
| 3163 | (void)AddCPUUser(pRun->pName, SwitchTo_NS32K, (void*)pRun, NULL); |
||
| 3164 | |||
| 3165 | AddInitPassProc(InitCode_NS32K); |
||
| 3166 | } |