1 | #!/usr/bin/env python
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2 | # -*- coding: utf-8 -*-
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3 | # $Id: IEMAllThrdPython.py 102012 2023-11-09 02:09:51Z vboxsync $
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4 | # pylint: disable=invalid-name
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5 |
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6 | """
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7 | Annotates and generates threaded functions from IEMAllInst*.cpp.h.
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8 | """
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9 |
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10 | from __future__ import print_function;
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11 |
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12 | __copyright__ = \
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13 | """
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14 | Copyright (C) 2023 Oracle and/or its affiliates.
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15 |
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16 | This file is part of VirtualBox base platform packages, as
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17 | available from https://www.virtualbox.org.
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18 |
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19 | This program is free software; you can redistribute it and/or
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20 | modify it under the terms of the GNU General Public License
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21 | as published by the Free Software Foundation, in version 3 of the
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22 | License.
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23 |
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24 | This program is distributed in the hope that it will be useful, but
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25 | WITHOUT ANY WARRANTY; without even the implied warranty of
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26 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 | General Public License for more details.
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28 |
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29 | You should have received a copy of the GNU General Public License
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30 | along with this program; if not, see <https://www.gnu.org/licenses>.
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31 |
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32 | SPDX-License-Identifier: GPL-3.0-only
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33 | """
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34 | __version__ = "$Revision: 102012 $"
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35 |
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36 | # Standard python imports.
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37 | import copy;
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38 | import datetime;
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39 | import os;
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40 | import re;
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41 | import sys;
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42 | import argparse;
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43 | from typing import Dict, List;
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44 |
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45 | import IEMAllInstPython as iai;
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46 | import IEMAllN8vePython as ian;
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47 |
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48 |
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49 | # Python 3 hacks:
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50 | if sys.version_info[0] >= 3:
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51 | long = int; # pylint: disable=redefined-builtin,invalid-name
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52 |
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53 | ## Number of generic parameters for the thread functions.
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54 | g_kcThreadedParams = 3;
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55 |
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56 | g_kdTypeInfo = {
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57 | # type name: (cBits, fSigned, C-type )
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58 | 'int8_t': ( 8, True, 'int8_t', ),
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59 | 'int16_t': ( 16, True, 'int16_t', ),
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60 | 'int32_t': ( 32, True, 'int32_t', ),
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61 | 'int64_t': ( 64, True, 'int64_t', ),
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62 | 'uint4_t': ( 4, False, 'uint8_t', ),
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63 | 'uint8_t': ( 8, False, 'uint8_t', ),
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64 | 'uint16_t': ( 16, False, 'uint16_t', ),
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65 | 'uint32_t': ( 32, False, 'uint32_t', ),
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66 | 'uint64_t': ( 64, False, 'uint64_t', ),
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67 | 'uintptr_t': ( 64, False, 'uintptr_t',), # ASSUMES 64-bit host pointer size.
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68 | 'bool': ( 1, False, 'bool', ),
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69 | 'IEMMODE': ( 2, False, 'IEMMODE', ),
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70 | };
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71 |
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72 | # Only for getTypeBitCount/variables.
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73 | g_kdTypeInfo2 = {
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74 | 'RTFLOAT32U': ( 32, False, 'RTFLOAT32U', ),
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75 | 'RTFLOAT64U': ( 64, False, 'RTFLOAT64U', ),
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76 | 'RTUINT64U': ( 64, False, 'RTUINT64U', ),
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77 | 'RTGCPTR': ( 64, False, 'RTGCPTR', ),
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78 | 'RTPBCD80U': ( 80, False, 'RTPBCD80U', ),
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79 | 'RTFLOAT80U': ( 80, False, 'RTFLOAT80U', ),
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80 | 'IEMFPURESULT': (80+16, False, 'IEMFPURESULT', ),
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81 | 'IEMFPURESULTTWO': (80+16+80,False, 'IEMFPURESULTTWO', ),
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82 | 'RTUINT128U': ( 128, False, 'RTUINT128U', ),
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83 | 'X86XMMREG': ( 128, False, 'X86XMMREG', ),
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84 | 'IEMSSERESULT': ( 128+32, False, 'IEMSSERESULT', ),
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85 | 'IEMMEDIAF2XMMSRC': ( 256, False, 'IEMMEDIAF2XMMSRC',),
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86 | 'RTUINT256U': ( 256, False, 'RTUINT256U', ),
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87 | 'IEMPCMPISTRXSRC': ( 256, False, 'IEMPCMPISTRXSRC', ),
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88 | 'IEMPCMPESTRXSRC': ( 384, False, 'IEMPCMPESTRXSRC', ),
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89 | }; #| g_kdTypeInfo; - requires 3.9
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90 | g_kdTypeInfo2.update(g_kdTypeInfo);
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91 |
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92 | def getTypeBitCount(sType):
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93 | """
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94 | Translate a type to size in bits
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95 | """
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96 | if sType in g_kdTypeInfo2:
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97 | return g_kdTypeInfo2[sType][0];
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98 | if '*' in sType or sType[0] == 'P':
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99 | return 64;
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100 | #raise Exception('Unknown type: %s' % (sType,));
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101 | print('error: Unknown type: %s' % (sType,));
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102 | return 64;
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103 |
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104 | g_kdIemFieldToType = {
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105 | # Illegal ones:
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106 | 'offInstrNextByte': ( None, ),
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107 | 'cbInstrBuf': ( None, ),
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108 | 'pbInstrBuf': ( None, ),
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109 | 'uInstrBufPc': ( None, ),
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110 | 'cbInstrBufTotal': ( None, ),
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111 | 'offCurInstrStart': ( None, ),
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112 | 'cbOpcode': ( None, ),
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113 | 'offOpcode': ( None, ),
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114 | 'offModRm': ( None, ),
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115 | # Okay ones.
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116 | 'fPrefixes': ( 'uint32_t', ),
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117 | 'uRexReg': ( 'uint8_t', ),
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118 | 'uRexB': ( 'uint8_t', ),
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119 | 'uRexIndex': ( 'uint8_t', ),
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120 | 'iEffSeg': ( 'uint8_t', ),
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121 | 'enmEffOpSize': ( 'IEMMODE', ),
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122 | 'enmDefAddrMode': ( 'IEMMODE', ),
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123 | 'enmEffAddrMode': ( 'IEMMODE', ),
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124 | 'enmDefOpSize': ( 'IEMMODE', ),
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125 | 'idxPrefix': ( 'uint8_t', ),
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126 | 'uVex3rdReg': ( 'uint8_t', ),
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127 | 'uVexLength': ( 'uint8_t', ),
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128 | 'fEvexStuff': ( 'uint8_t', ),
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129 | 'uFpuOpcode': ( 'uint16_t', ),
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130 | };
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131 |
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132 | class ThreadedParamRef(object):
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133 | """
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134 | A parameter reference for a threaded function.
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135 | """
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136 |
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137 | def __init__(self, sOrgRef, sType, oStmt, iParam = None, offParam = 0, sStdRef = None):
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138 | ## The name / reference in the original code.
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139 | self.sOrgRef = sOrgRef;
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140 | ## Normalized name to deal with spaces in macro invocations and such.
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141 | self.sStdRef = sStdRef if sStdRef else ''.join(sOrgRef.split());
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142 | ## Indicates that sOrgRef may not match the parameter.
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143 | self.fCustomRef = sStdRef is not None;
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144 | ## The type (typically derived).
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145 | self.sType = sType;
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146 | ## The statement making the reference.
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147 | self.oStmt = oStmt;
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148 | ## The parameter containing the references. None if implicit.
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149 | self.iParam = iParam;
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150 | ## The offset in the parameter of the reference.
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151 | self.offParam = offParam;
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152 |
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153 | ## The variable name in the threaded function.
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154 | self.sNewName = 'x';
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155 | ## The this is packed into.
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156 | self.iNewParam = 99;
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157 | ## The bit offset in iNewParam.
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158 | self.offNewParam = 1024
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159 |
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160 |
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161 | class ThreadedFunctionVariation(object):
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162 | """ Threaded function variation. """
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163 |
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164 | ## @name Variations.
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165 | ## These variations will match translation block selection/distinctions as well.
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166 | ## @{
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167 | ksVariation_Default = ''; ##< No variations - only used by IEM_MC_DEFER_TO_CIMPL_X_RET.
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168 | ksVariation_16 = '_16'; ##< 16-bit mode code (386+).
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169 | ksVariation_16f = '_16f'; ##< 16-bit mode code (386+), check+clear eflags.
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170 | ksVariation_16_Addr32 = '_16_Addr32'; ##< 16-bit mode code (386+), address size prefixed to 32-bit addressing.
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171 | ksVariation_16f_Addr32 = '_16f_Addr32'; ##< 16-bit mode code (386+), address size prefixed to 32-bit addressing, eflags.
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172 | ksVariation_16_Pre386 = '_16_Pre386'; ##< 16-bit mode code, pre-386 CPU target.
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173 | ksVariation_16f_Pre386 = '_16f_Pre386'; ##< 16-bit mode code, pre-386 CPU target, check+clear eflags.
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174 | ksVariation_32 = '_32'; ##< 32-bit mode code (386+).
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175 | ksVariation_32f = '_32f'; ##< 32-bit mode code (386+), check+clear eflags.
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176 | ksVariation_32_Flat = '_32_Flat'; ##< 32-bit mode code (386+) with CS, DS, E,S and SS flat and 4GB wide.
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177 | ksVariation_32f_Flat = '_32f_Flat'; ##< 32-bit mode code (386+) with CS, DS, E,S and SS flat and 4GB wide, eflags.
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178 | ksVariation_32_Addr16 = '_32_Addr16'; ##< 32-bit mode code (386+), address size prefixed to 16-bit addressing.
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179 | ksVariation_32f_Addr16 = '_32f_Addr16'; ##< 32-bit mode code (386+), address size prefixed to 16-bit addressing, eflags.
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180 | ksVariation_64 = '_64'; ##< 64-bit mode code.
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181 | ksVariation_64f = '_64f'; ##< 64-bit mode code, check+clear eflags.
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182 | ksVariation_64_FsGs = '_64_FsGs'; ##< 64-bit mode code, with memory accesses via FS or GS.
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183 | ksVariation_64f_FsGs = '_64f_FsGs'; ##< 64-bit mode code, with memory accesses via FS or GS, check+clear eflags.
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184 | ksVariation_64_Addr32 = '_64_Addr32'; ##< 64-bit mode code, address size prefixed to 32-bit addressing.
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185 | ksVariation_64f_Addr32 = '_64f_Addr32'; ##< 64-bit mode code, address size prefixed to 32-bit addressing, c+c eflags.
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186 | kasVariations = (
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187 | ksVariation_Default,
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188 | ksVariation_16,
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189 | ksVariation_16f,
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190 | ksVariation_16_Addr32,
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191 | ksVariation_16f_Addr32,
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192 | ksVariation_16_Pre386,
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193 | ksVariation_16f_Pre386,
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194 | ksVariation_32,
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195 | ksVariation_32f,
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196 | ksVariation_32_Flat,
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197 | ksVariation_32f_Flat,
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198 | ksVariation_32_Addr16,
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199 | ksVariation_32f_Addr16,
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200 | ksVariation_64,
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201 | ksVariation_64f,
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202 | ksVariation_64_FsGs,
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203 | ksVariation_64f_FsGs,
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204 | ksVariation_64_Addr32,
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205 | ksVariation_64f_Addr32,
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206 | );
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207 | kasVariationsWithoutAddress = (
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208 | ksVariation_16,
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209 | ksVariation_16f,
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210 | ksVariation_16_Pre386,
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211 | ksVariation_16f_Pre386,
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212 | ksVariation_32,
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213 | ksVariation_32f,
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214 | ksVariation_64,
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215 | ksVariation_64f,
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216 | );
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217 | kasVariationsWithoutAddressNot286 = (
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218 | ksVariation_16,
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219 | ksVariation_16f,
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220 | ksVariation_32,
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221 | ksVariation_32f,
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222 | ksVariation_64,
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223 | ksVariation_64f,
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224 | );
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225 | kasVariationsWithoutAddressNot286Not64 = (
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226 | ksVariation_16,
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227 | ksVariation_16f,
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228 | ksVariation_32,
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229 | ksVariation_32f,
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230 | );
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231 | kasVariationsWithoutAddressNot64 = (
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232 | ksVariation_16,
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233 | ksVariation_16f,
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234 | ksVariation_16_Pre386,
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235 | ksVariation_16f_Pre386,
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236 | ksVariation_32,
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237 | ksVariation_32f,
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238 | );
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239 | kasVariationsWithoutAddressOnly64 = (
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240 | ksVariation_64,
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241 | ksVariation_64f,
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242 | );
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243 | kasVariationsWithAddress = (
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244 | ksVariation_16,
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245 | ksVariation_16f,
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246 | ksVariation_16_Addr32,
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247 | ksVariation_16f_Addr32,
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248 | ksVariation_16_Pre386,
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249 | ksVariation_16f_Pre386,
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250 | ksVariation_32,
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251 | ksVariation_32f,
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252 | ksVariation_32_Flat,
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253 | ksVariation_32f_Flat,
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254 | ksVariation_32_Addr16,
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255 | ksVariation_32f_Addr16,
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256 | ksVariation_64,
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257 | ksVariation_64f,
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258 | ksVariation_64_FsGs,
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259 | ksVariation_64f_FsGs,
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260 | ksVariation_64_Addr32,
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261 | ksVariation_64f_Addr32,
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262 | );
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263 | kasVariationsWithAddressNot286 = (
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264 | ksVariation_16,
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265 | ksVariation_16f,
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266 | ksVariation_16_Addr32,
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267 | ksVariation_16f_Addr32,
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268 | ksVariation_32,
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269 | ksVariation_32f,
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270 | ksVariation_32_Flat,
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271 | ksVariation_32f_Flat,
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272 | ksVariation_32_Addr16,
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273 | ksVariation_32f_Addr16,
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274 | ksVariation_64,
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275 | ksVariation_64f,
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276 | ksVariation_64_FsGs,
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277 | ksVariation_64f_FsGs,
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278 | ksVariation_64_Addr32,
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279 | ksVariation_64f_Addr32,
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280 | );
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281 | kasVariationsWithAddressNot286Not64 = (
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282 | ksVariation_16,
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283 | ksVariation_16f,
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284 | ksVariation_16_Addr32,
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285 | ksVariation_16f_Addr32,
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286 | ksVariation_32,
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287 | ksVariation_32f,
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288 | ksVariation_32_Flat,
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289 | ksVariation_32f_Flat,
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290 | ksVariation_32_Addr16,
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291 | ksVariation_32f_Addr16,
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292 | );
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293 | kasVariationsWithAddressNot64 = (
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294 | ksVariation_16,
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295 | ksVariation_16f,
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296 | ksVariation_16_Addr32,
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297 | ksVariation_16f_Addr32,
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298 | ksVariation_16_Pre386,
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299 | ksVariation_16f_Pre386,
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300 | ksVariation_32,
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301 | ksVariation_32f,
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302 | ksVariation_32_Flat,
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303 | ksVariation_32f_Flat,
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304 | ksVariation_32_Addr16,
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305 | ksVariation_32f_Addr16,
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306 | );
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307 | kasVariationsWithAddressOnly64 = (
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308 | ksVariation_64,
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309 | ksVariation_64f,
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310 | ksVariation_64_FsGs,
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311 | ksVariation_64f_FsGs,
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312 | ksVariation_64_Addr32,
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313 | ksVariation_64f_Addr32,
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314 | );
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315 | kasVariationsOnlyPre386 = (
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316 | ksVariation_16_Pre386,
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317 | ksVariation_16f_Pre386,
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318 | );
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319 | kasVariationsEmitOrder = (
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320 | ksVariation_Default,
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321 | ksVariation_64,
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322 | ksVariation_64f,
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323 | ksVariation_64_FsGs,
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324 | ksVariation_64f_FsGs,
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325 | ksVariation_32_Flat,
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326 | ksVariation_32f_Flat,
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327 | ksVariation_32,
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328 | ksVariation_32f,
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329 | ksVariation_16,
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330 | ksVariation_16f,
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331 | ksVariation_16_Addr32,
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332 | ksVariation_16f_Addr32,
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333 | ksVariation_16_Pre386,
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334 | ksVariation_16f_Pre386,
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335 | ksVariation_32_Addr16,
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336 | ksVariation_32f_Addr16,
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337 | ksVariation_64_Addr32,
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338 | ksVariation_64f_Addr32,
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339 | );
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340 | kdVariationNames = {
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341 | ksVariation_Default: 'defer-to-cimpl',
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342 | ksVariation_16: '16-bit',
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343 | ksVariation_16f: '16-bit w/ eflag checking and clearing',
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344 | ksVariation_16_Addr32: '16-bit w/ address prefix (Addr32)',
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345 | ksVariation_16f_Addr32: '16-bit w/ address prefix (Addr32) and eflag checking and clearing',
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346 | ksVariation_16_Pre386: '16-bit on pre-386 CPU',
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347 | ksVariation_16f_Pre386: '16-bit on pre-386 CPU w/ eflag checking and clearing',
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348 | ksVariation_32: '32-bit',
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349 | ksVariation_32f: '32-bit w/ eflag checking and clearing',
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350 | ksVariation_32_Flat: '32-bit flat and wide open CS, SS, DS and ES',
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351 | ksVariation_32f_Flat: '32-bit flat and wide open CS, SS, DS and ES w/ eflag checking and clearing',
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352 | ksVariation_32_Addr16: '32-bit w/ address prefix (Addr16)',
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353 | ksVariation_32f_Addr16: '32-bit w/ address prefix (Addr16) and eflag checking and clearing',
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354 | ksVariation_64: '64-bit',
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355 | ksVariation_64f: '64-bit w/ eflag checking and clearing',
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356 | ksVariation_64_FsGs: '64-bit with memory accessed via FS or GS',
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357 | ksVariation_64f_FsGs: '64-bit with memory accessed via FS or GS and eflag checking and clearing',
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358 | ksVariation_64_Addr32: '64-bit w/ address prefix (Addr32)',
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359 | ksVariation_64f_Addr32: '64-bit w/ address prefix (Addr32) and eflag checking and clearing',
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360 | };
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361 | kdVariationsWithEflagsCheckingAndClearing = {
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362 | ksVariation_16f: True,
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363 | ksVariation_16f_Addr32: True,
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364 | ksVariation_16f_Pre386: True,
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365 | ksVariation_32f: True,
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366 | ksVariation_32f_Flat: True,
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367 | ksVariation_32f_Addr16: True,
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368 | ksVariation_64f: True,
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369 | ksVariation_64f_FsGs: True,
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370 | ksVariation_64f_Addr32: True,
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371 | };
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372 | kdVariationsWithFlatAddress = {
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373 | ksVariation_32_Flat: True,
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374 | ksVariation_32f_Flat: True,
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375 | ksVariation_64: True,
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376 | ksVariation_64f: True,
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377 | };
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378 | kdVariationsWithFlatAddr16 = {
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379 | ksVariation_16: True,
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380 | ksVariation_16f: True,
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381 | ksVariation_16_Pre386: True,
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382 | ksVariation_16f_Pre386: True,
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383 | ksVariation_32_Addr16: True,
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384 | ksVariation_32f_Addr16: True,
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385 | };
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386 | kdVariationsWithFlatAddr32No64 = {
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387 | ksVariation_16_Addr32: True,
|
---|
388 | ksVariation_16f_Addr32: True,
|
---|
389 | ksVariation_32: True,
|
---|
390 | ksVariation_32f: True,
|
---|
391 | ksVariation_32_Flat: True,
|
---|
392 | ksVariation_32f_Flat: True,
|
---|
393 | };
|
---|
394 | ## @}
|
---|
395 |
|
---|
396 | ## IEM_CIMPL_F_XXX flags that we know.
|
---|
397 | ## The value indicates whether it terminates the TB or not. The goal is to
|
---|
398 | ## improve the recompiler so all but END_TB will be False.
|
---|
399 | ##
|
---|
400 | ## @note iemThreadedRecompilerMcDeferToCImpl0 duplicates info found here.
|
---|
401 | kdCImplFlags = {
|
---|
402 | 'IEM_CIMPL_F_MODE': False,
|
---|
403 | 'IEM_CIMPL_F_BRANCH_DIRECT': False,
|
---|
404 | 'IEM_CIMPL_F_BRANCH_INDIRECT': False,
|
---|
405 | 'IEM_CIMPL_F_BRANCH_RELATIVE': False,
|
---|
406 | 'IEM_CIMPL_F_BRANCH_FAR': True,
|
---|
407 | 'IEM_CIMPL_F_BRANCH_CONDITIONAL': False,
|
---|
408 | # IEM_CIMPL_F_BRANCH_ANY should only be used for testing, so not included here.
|
---|
409 | 'IEM_CIMPL_F_BRANCH_STACK': False,
|
---|
410 | 'IEM_CIMPL_F_BRANCH_STACK_FAR': False,
|
---|
411 | 'IEM_CIMPL_F_RFLAGS': False,
|
---|
412 | 'IEM_CIMPL_F_INHIBIT_SHADOW': False,
|
---|
413 | 'IEM_CIMPL_F_CHECK_IRQ_AFTER': False,
|
---|
414 | 'IEM_CIMPL_F_CHECK_IRQ_BEFORE': False,
|
---|
415 | 'IEM_CIMPL_F_CHECK_IRQ_BEFORE_AND_AFTER': False, # (ignore)
|
---|
416 | 'IEM_CIMPL_F_STATUS_FLAGS': False,
|
---|
417 | 'IEM_CIMPL_F_VMEXIT': False,
|
---|
418 | 'IEM_CIMPL_F_FPU': False,
|
---|
419 | 'IEM_CIMPL_F_REP': False,
|
---|
420 | 'IEM_CIMPL_F_IO': False,
|
---|
421 | 'IEM_CIMPL_F_END_TB': True,
|
---|
422 | 'IEM_CIMPL_F_XCPT': True,
|
---|
423 | 'IEM_CIMPL_F_CALLS_CIMPL': False,
|
---|
424 | 'IEM_CIMPL_F_CALLS_AIMPL': False,
|
---|
425 | 'IEM_CIMPL_F_CALLS_AIMPL_WITH_FXSTATE': False,
|
---|
426 | };
|
---|
427 |
|
---|
428 | def __init__(self, oThreadedFunction, sVariation = ksVariation_Default):
|
---|
429 | self.oParent = oThreadedFunction # type: ThreadedFunction
|
---|
430 | ##< ksVariation_Xxxx.
|
---|
431 | self.sVariation = sVariation
|
---|
432 |
|
---|
433 | ## Threaded function parameter references.
|
---|
434 | self.aoParamRefs = [] # type: List[ThreadedParamRef]
|
---|
435 | ## Unique parameter references.
|
---|
436 | self.dParamRefs = {} # type: Dict[str, List[ThreadedParamRef]]
|
---|
437 | ## Minimum number of parameters to the threaded function.
|
---|
438 | self.cMinParams = 0;
|
---|
439 |
|
---|
440 | ## List/tree of statements for the threaded function.
|
---|
441 | self.aoStmtsForThreadedFunction = [] # type: List[McStmt]
|
---|
442 |
|
---|
443 | ## Function enum number, for verification. Set by generateThreadedFunctionsHeader.
|
---|
444 | self.iEnumValue = -1;
|
---|
445 |
|
---|
446 | ## Native recompilation details for this variation.
|
---|
447 | self.oNativeRecomp = None;
|
---|
448 |
|
---|
449 | def getIndexName(self):
|
---|
450 | sName = self.oParent.oMcBlock.sFunction;
|
---|
451 | if sName.startswith('iemOp_'):
|
---|
452 | sName = sName[len('iemOp_'):];
|
---|
453 | if self.oParent.oMcBlock.iInFunction == 0:
|
---|
454 | return 'kIemThreadedFunc_%s%s' % ( sName, self.sVariation, );
|
---|
455 | return 'kIemThreadedFunc_%s_%s%s' % ( sName, self.oParent.oMcBlock.iInFunction, self.sVariation, );
|
---|
456 |
|
---|
457 | def getThreadedFunctionName(self):
|
---|
458 | sName = self.oParent.oMcBlock.sFunction;
|
---|
459 | if sName.startswith('iemOp_'):
|
---|
460 | sName = sName[len('iemOp_'):];
|
---|
461 | if self.oParent.oMcBlock.iInFunction == 0:
|
---|
462 | return 'iemThreadedFunc_%s%s' % ( sName, self.sVariation, );
|
---|
463 | return 'iemThreadedFunc_%s_%s%s' % ( sName, self.oParent.oMcBlock.iInFunction, self.sVariation, );
|
---|
464 |
|
---|
465 | def getNativeFunctionName(self):
|
---|
466 | return 'iemNativeRecompFunc_' + self.getThreadedFunctionName()[len('iemThreadedFunc_'):];
|
---|
467 |
|
---|
468 | def getShortName(self):
|
---|
469 | sName = self.oParent.oMcBlock.sFunction;
|
---|
470 | if sName.startswith('iemOp_'):
|
---|
471 | sName = sName[len('iemOp_'):];
|
---|
472 | if self.oParent.oMcBlock.iInFunction == 0:
|
---|
473 | return '%s%s' % ( sName, self.sVariation, );
|
---|
474 | return '%s_%s%s' % ( sName, self.oParent.oMcBlock.iInFunction, self.sVariation, );
|
---|
475 |
|
---|
476 | def isWithFlagsCheckingAndClearingVariation(self):
|
---|
477 | """
|
---|
478 | Checks if this is a variation that checks and clears EFLAGS.
|
---|
479 | """
|
---|
480 | return self.sVariation in ThreadedFunctionVariation.kdVariationsWithEflagsCheckingAndClearing;
|
---|
481 |
|
---|
482 | #
|
---|
483 | # Analysis and code morphing.
|
---|
484 | #
|
---|
485 |
|
---|
486 | def raiseProblem(self, sMessage):
|
---|
487 | """ Raises a problem. """
|
---|
488 | self.oParent.raiseProblem(sMessage);
|
---|
489 |
|
---|
490 | def warning(self, sMessage):
|
---|
491 | """ Emits a warning. """
|
---|
492 | self.oParent.warning(sMessage);
|
---|
493 |
|
---|
494 | def analyzeReferenceToType(self, sRef):
|
---|
495 | """
|
---|
496 | Translates a variable or structure reference to a type.
|
---|
497 | Returns type name.
|
---|
498 | Raises exception if unable to figure it out.
|
---|
499 | """
|
---|
500 | ch0 = sRef[0];
|
---|
501 | if ch0 == 'u':
|
---|
502 | if sRef.startswith('u32'):
|
---|
503 | return 'uint32_t';
|
---|
504 | if sRef.startswith('u8') or sRef == 'uReg':
|
---|
505 | return 'uint8_t';
|
---|
506 | if sRef.startswith('u64'):
|
---|
507 | return 'uint64_t';
|
---|
508 | if sRef.startswith('u16'):
|
---|
509 | return 'uint16_t';
|
---|
510 | elif ch0 == 'b':
|
---|
511 | return 'uint8_t';
|
---|
512 | elif ch0 == 'f':
|
---|
513 | return 'bool';
|
---|
514 | elif ch0 == 'i':
|
---|
515 | if sRef.startswith('i8'):
|
---|
516 | return 'int8_t';
|
---|
517 | if sRef.startswith('i16'):
|
---|
518 | return 'int16_t';
|
---|
519 | if sRef.startswith('i32'):
|
---|
520 | return 'int32_t';
|
---|
521 | if sRef.startswith('i64'):
|
---|
522 | return 'int64_t';
|
---|
523 | if sRef in ('iReg', 'iFixedReg', 'iGReg', 'iSegReg', 'iSrcReg', 'iDstReg', 'iCrReg'):
|
---|
524 | return 'uint8_t';
|
---|
525 | elif ch0 == 'p':
|
---|
526 | if sRef.find('-') < 0:
|
---|
527 | return 'uintptr_t';
|
---|
528 | if sRef.startswith('pVCpu->iem.s.'):
|
---|
529 | sField = sRef[len('pVCpu->iem.s.') : ];
|
---|
530 | if sField in g_kdIemFieldToType:
|
---|
531 | if g_kdIemFieldToType[sField][0]:
|
---|
532 | return g_kdIemFieldToType[sField][0];
|
---|
533 | elif ch0 == 'G' and sRef.startswith('GCPtr'):
|
---|
534 | return 'uint64_t';
|
---|
535 | elif ch0 == 'e':
|
---|
536 | if sRef == 'enmEffOpSize':
|
---|
537 | return 'IEMMODE';
|
---|
538 | elif ch0 == 'o':
|
---|
539 | if sRef.startswith('off32'):
|
---|
540 | return 'uint32_t';
|
---|
541 | elif sRef == 'cbFrame': # enter
|
---|
542 | return 'uint16_t';
|
---|
543 | elif sRef == 'cShift': ## @todo risky
|
---|
544 | return 'uint8_t';
|
---|
545 |
|
---|
546 | self.raiseProblem('Unknown reference: %s' % (sRef,));
|
---|
547 | return None; # Shut up pylint 2.16.2.
|
---|
548 |
|
---|
549 | def analyzeCallToType(self, sFnRef):
|
---|
550 | """
|
---|
551 | Determins the type of an indirect function call.
|
---|
552 | """
|
---|
553 | assert sFnRef[0] == 'p';
|
---|
554 |
|
---|
555 | #
|
---|
556 | # Simple?
|
---|
557 | #
|
---|
558 | if sFnRef.find('-') < 0:
|
---|
559 | oDecoderFunction = self.oParent.oMcBlock.oFunction;
|
---|
560 |
|
---|
561 | # Try the argument list of the function defintion macro invocation first.
|
---|
562 | iArg = 2;
|
---|
563 | while iArg < len(oDecoderFunction.asDefArgs):
|
---|
564 | if sFnRef == oDecoderFunction.asDefArgs[iArg]:
|
---|
565 | return oDecoderFunction.asDefArgs[iArg - 1];
|
---|
566 | iArg += 1;
|
---|
567 |
|
---|
568 | # Then check out line that includes the word and looks like a variable declaration.
|
---|
569 | oRe = re.compile(' +(P[A-Z0-9_]+|const +IEMOP[A-Z0-9_]+ *[*]) +(const |) *' + sFnRef + ' *(;|=)');
|
---|
570 | for sLine in oDecoderFunction.asLines:
|
---|
571 | oMatch = oRe.match(sLine);
|
---|
572 | if oMatch:
|
---|
573 | if not oMatch.group(1).startswith('const'):
|
---|
574 | return oMatch.group(1);
|
---|
575 | return 'PC' + oMatch.group(1)[len('const ') : -1].strip();
|
---|
576 |
|
---|
577 | #
|
---|
578 | # Deal with the pImpl->pfnXxx:
|
---|
579 | #
|
---|
580 | elif sFnRef.startswith('pImpl->pfn'):
|
---|
581 | sMember = sFnRef[len('pImpl->') : ];
|
---|
582 | sBaseType = self.analyzeCallToType('pImpl');
|
---|
583 | offBits = sMember.rfind('U') + 1;
|
---|
584 | if sBaseType == 'PCIEMOPBINSIZES': return 'PFNIEMAIMPLBINU' + sMember[offBits:];
|
---|
585 | if sBaseType == 'PCIEMOPUNARYSIZES': return 'PFNIEMAIMPLUNARYU' + sMember[offBits:];
|
---|
586 | if sBaseType == 'PCIEMOPSHIFTSIZES': return 'PFNIEMAIMPLSHIFTU' + sMember[offBits:];
|
---|
587 | if sBaseType == 'PCIEMOPSHIFTDBLSIZES': return 'PFNIEMAIMPLSHIFTDBLU' + sMember[offBits:];
|
---|
588 | if sBaseType == 'PCIEMOPMULDIVSIZES': return 'PFNIEMAIMPLMULDIVU' + sMember[offBits:];
|
---|
589 | if sBaseType == 'PCIEMOPMEDIAF3': return 'PFNIEMAIMPLMEDIAF3U' + sMember[offBits:];
|
---|
590 | if sBaseType == 'PCIEMOPMEDIAOPTF3': return 'PFNIEMAIMPLMEDIAOPTF3U' + sMember[offBits:];
|
---|
591 | if sBaseType == 'PCIEMOPMEDIAOPTF2': return 'PFNIEMAIMPLMEDIAOPTF2U' + sMember[offBits:];
|
---|
592 | if sBaseType == 'PCIEMOPMEDIAOPTF3IMM8': return 'PFNIEMAIMPLMEDIAOPTF3U' + sMember[offBits:] + 'IMM8';
|
---|
593 | if sBaseType == 'PCIEMOPBLENDOP': return 'PFNIEMAIMPLAVXBLENDU' + sMember[offBits:];
|
---|
594 |
|
---|
595 | self.raiseProblem('Unknown call reference: %s::%s (%s)' % (sBaseType, sMember, sFnRef,));
|
---|
596 |
|
---|
597 | self.raiseProblem('Unknown call reference: %s' % (sFnRef,));
|
---|
598 | return None; # Shut up pylint 2.16.2.
|
---|
599 |
|
---|
600 | def analyze8BitGRegStmt(self, oStmt):
|
---|
601 | """
|
---|
602 | Gets the 8-bit general purpose register access details of the given statement.
|
---|
603 | ASSUMES the statement is one accessing an 8-bit GREG.
|
---|
604 | """
|
---|
605 | idxReg = 0;
|
---|
606 | if ( oStmt.sName.find('_FETCH_') > 0
|
---|
607 | or oStmt.sName.find('_REF_') > 0
|
---|
608 | or oStmt.sName.find('_TO_LOCAL') > 0):
|
---|
609 | idxReg = 1;
|
---|
610 |
|
---|
611 | sRegRef = oStmt.asParams[idxReg];
|
---|
612 | if sRegRef.startswith('IEM_GET_MODRM_RM') or sRegRef.startswith('IEM_GET_MODRM_REG'):
|
---|
613 | asBits = [sBit.strip() for sBit in sRegRef.replace('(', ',').replace(')', '').split(',')];
|
---|
614 | if len(asBits) != 3 or asBits[1] != 'pVCpu' or (asBits[0] != 'IEM_GET_MODRM_RM' and asBits[0] != 'IEM_GET_MODRM_REG'):
|
---|
615 | self.raiseProblem('Unexpected reference: %s (asBits=%s)' % (sRegRef, asBits));
|
---|
616 | sOrgExpr = asBits[0] + '_EX8(pVCpu, ' + asBits[2] + ')';
|
---|
617 | else:
|
---|
618 | sOrgExpr = '((%s) < 4 || (pVCpu->iem.s.fPrefixes & IEM_OP_PRF_REX) ? (%s) : (%s) + 12)' % (sRegRef, sRegRef, sRegRef);
|
---|
619 |
|
---|
620 | if sRegRef.find('IEM_GET_MODRM_RM') >= 0: sStdRef = 'bRmRm8Ex';
|
---|
621 | elif sRegRef.find('IEM_GET_MODRM_REG') >= 0: sStdRef = 'bRmReg8Ex';
|
---|
622 | elif sRegRef == 'X86_GREG_xAX': sStdRef = 'bGregXAx8Ex';
|
---|
623 | elif sRegRef == 'X86_GREG_xCX': sStdRef = 'bGregXCx8Ex';
|
---|
624 | elif sRegRef == 'X86_GREG_xSP': sStdRef = 'bGregXSp8Ex';
|
---|
625 | elif sRegRef == 'iFixedReg': sStdRef = 'bFixedReg8Ex';
|
---|
626 | else:
|
---|
627 | self.warning('analyze8BitGRegStmt: sRegRef=%s -> bOther8Ex; %s %s; sOrgExpr=%s'
|
---|
628 | % (sRegRef, oStmt.sName, oStmt.asParams, sOrgExpr,));
|
---|
629 | sStdRef = 'bOther8Ex';
|
---|
630 |
|
---|
631 | #print('analyze8BitGRegStmt: %s %s; sRegRef=%s\n -> idxReg=%s sOrgExpr=%s sStdRef=%s'
|
---|
632 | # % (oStmt.sName, oStmt.asParams, sRegRef, idxReg, sOrgExpr, sStdRef));
|
---|
633 | return (idxReg, sOrgExpr, sStdRef);
|
---|
634 |
|
---|
635 |
|
---|
636 | ## Maps memory related MCs to info for FLAT conversion.
|
---|
637 | ## This is used in 64-bit and flat 32-bit variants to skip the unnecessary
|
---|
638 | ## segmentation checking for every memory access. Only applied to access
|
---|
639 | ## via ES, DS and SS. FS, GS and CS gets the full segmentation threatment,
|
---|
640 | ## the latter (CS) is just to keep things simple (we could safely fetch via
|
---|
641 | ## it, but only in 64-bit mode could we safely write via it, IIRC).
|
---|
642 | kdMemMcToFlatInfo = {
|
---|
643 | 'IEM_MC_FETCH_MEM_U8': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U8' ),
|
---|
644 | 'IEM_MC_FETCH_MEM16_U8': ( 1, 'IEM_MC_FETCH_MEM16_FLAT_U8' ),
|
---|
645 | 'IEM_MC_FETCH_MEM32_U8': ( 1, 'IEM_MC_FETCH_MEM32_FLAT_U8' ),
|
---|
646 | 'IEM_MC_FETCH_MEM_U16': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U16' ),
|
---|
647 | 'IEM_MC_FETCH_MEM_U16_DISP': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U16_DISP' ),
|
---|
648 | 'IEM_MC_FETCH_MEM_I16': ( 1, 'IEM_MC_FETCH_MEM_FLAT_I16' ),
|
---|
649 | 'IEM_MC_FETCH_MEM_U32': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U32' ),
|
---|
650 | 'IEM_MC_FETCH_MEM_U32_DISP': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U32_DISP' ),
|
---|
651 | 'IEM_MC_FETCH_MEM_I32': ( 1, 'IEM_MC_FETCH_MEM_FLAT_I32' ),
|
---|
652 | 'IEM_MC_FETCH_MEM_U64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U64' ),
|
---|
653 | 'IEM_MC_FETCH_MEM_U64_DISP': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U64_DISP' ),
|
---|
654 | 'IEM_MC_FETCH_MEM_U64_ALIGN_U128': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U64_ALIGN_U128' ),
|
---|
655 | 'IEM_MC_FETCH_MEM_I64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_I64' ),
|
---|
656 | 'IEM_MC_FETCH_MEM_R32': ( 1, 'IEM_MC_FETCH_MEM_FLAT_R32' ),
|
---|
657 | 'IEM_MC_FETCH_MEM_R64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_R64' ),
|
---|
658 | 'IEM_MC_FETCH_MEM_R80': ( 1, 'IEM_MC_FETCH_MEM_FLAT_R80' ),
|
---|
659 | 'IEM_MC_FETCH_MEM_D80': ( 1, 'IEM_MC_FETCH_MEM_FLAT_D80' ),
|
---|
660 | 'IEM_MC_FETCH_MEM_U128': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U128' ),
|
---|
661 | 'IEM_MC_FETCH_MEM_U128_NO_AC': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U128_NO_AC' ),
|
---|
662 | 'IEM_MC_FETCH_MEM_U128_ALIGN_SSE': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U128_ALIGN_SSE' ),
|
---|
663 | 'IEM_MC_FETCH_MEM_XMM': ( 1, 'IEM_MC_FETCH_MEM_FLAT_XMM' ),
|
---|
664 | 'IEM_MC_FETCH_MEM_XMM_NO_AC': ( 1, 'IEM_MC_FETCH_MEM_FLAT_XMM_NO_AC' ),
|
---|
665 | 'IEM_MC_FETCH_MEM_XMM_ALIGN_SSE': ( 1, 'IEM_MC_FETCH_MEM_FLAT_XMM_ALIGN_SSE' ),
|
---|
666 | 'IEM_MC_FETCH_MEM_XMM_U32': ( 2, 'IEM_MC_FETCH_MEM_FLAT_XMM_U32' ),
|
---|
667 | 'IEM_MC_FETCH_MEM_XMM_U64': ( 2, 'IEM_MC_FETCH_MEM_FLAT_XMM_U64' ),
|
---|
668 | 'IEM_MC_FETCH_MEM_U256': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U256' ),
|
---|
669 | 'IEM_MC_FETCH_MEM_U256_NO_AC': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U256_NO_AC' ),
|
---|
670 | 'IEM_MC_FETCH_MEM_U256_ALIGN_AVX': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U256_ALIGN_AVX' ),
|
---|
671 | 'IEM_MC_FETCH_MEM_YMM': ( 1, 'IEM_MC_FETCH_MEM_FLAT_YMM' ),
|
---|
672 | 'IEM_MC_FETCH_MEM_YMM_NO_AC': ( 1, 'IEM_MC_FETCH_MEM_FLAT_YMM_NO_AC' ),
|
---|
673 | 'IEM_MC_FETCH_MEM_YMM_ALIGN_AVX': ( 1, 'IEM_MC_FETCH_MEM_FLAT_YMM_ALIGN_AVX' ),
|
---|
674 | 'IEM_MC_FETCH_MEM_U8_ZX_U16': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U8_ZX_U16' ),
|
---|
675 | 'IEM_MC_FETCH_MEM_U8_ZX_U32': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U8_ZX_U32' ),
|
---|
676 | 'IEM_MC_FETCH_MEM_U8_ZX_U64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U8_ZX_U64' ),
|
---|
677 | 'IEM_MC_FETCH_MEM_U16_ZX_U32': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U16_ZX_U32' ),
|
---|
678 | 'IEM_MC_FETCH_MEM_U16_ZX_U64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U16_ZX_U64' ),
|
---|
679 | 'IEM_MC_FETCH_MEM_U32_ZX_U64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U32_ZX_U64' ),
|
---|
680 | 'IEM_MC_FETCH_MEM_U8_SX_U16': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U8_SX_U16' ),
|
---|
681 | 'IEM_MC_FETCH_MEM_U8_SX_U32': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U8_SX_U32' ),
|
---|
682 | 'IEM_MC_FETCH_MEM_U8_SX_U64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U8_SX_U64' ),
|
---|
683 | 'IEM_MC_FETCH_MEM_U16_SX_U32': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U16_SX_U32' ),
|
---|
684 | 'IEM_MC_FETCH_MEM_U16_SX_U64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U16_SX_U64' ),
|
---|
685 | 'IEM_MC_FETCH_MEM_U32_SX_U64': ( 1, 'IEM_MC_FETCH_MEM_FLAT_U32_SX_U64' ),
|
---|
686 | 'IEM_MC_FETCH_MEM_U128_AND_XREG_U128': ( 2, 'IEM_MC_FETCH_MEM_FLAT_U128_AND_XREG_U128' ),
|
---|
687 | 'IEM_MC_FETCH_MEM_XMM_ALIGN_SSE_AND_XREG_XMM': ( 2, 'IEM_MC_FETCH_MEM_FLAT_XMM_ALIGN_SSE_AND_XREG_XMM' ),
|
---|
688 | 'IEM_MC_FETCH_MEM_XMM_U32_AND_XREG_XMM': ( 3, 'IEM_MC_FETCH_MEM_FLAT_XMM_U32_AND_XREG_XMM' ),
|
---|
689 | 'IEM_MC_FETCH_MEM_XMM_U64_AND_XREG_XMM': ( 3, 'IEM_MC_FETCH_MEM_FLAT_XMM_U64_AND_XREG_XMM' ),
|
---|
690 | 'IEM_MC_FETCH_MEM_U128_AND_XREG_U128_AND_RAX_RDX_U64':
|
---|
691 | ( 2, 'IEM_MC_FETCH_MEM_FLAT_U128_AND_XREG_U128_AND_RAX_RDX_U64' ),
|
---|
692 | 'IEM_MC_FETCH_MEM_U128_AND_XREG_U128_AND_EAX_EDX_U32_SX_U64':
|
---|
693 | ( 2, 'IEM_MC_FETCH_MEM_FLAT_U128_AND_XREG_U128_AND_EAX_EDX_U32_SX_U64' ),
|
---|
694 | 'IEM_MC_STORE_MEM_U8': ( 0, 'IEM_MC_STORE_MEM_FLAT_U8' ),
|
---|
695 | 'IEM_MC_STORE_MEM_U16': ( 0, 'IEM_MC_STORE_MEM_FLAT_U16' ),
|
---|
696 | 'IEM_MC_STORE_MEM_U32': ( 0, 'IEM_MC_STORE_MEM_FLAT_U32' ),
|
---|
697 | 'IEM_MC_STORE_MEM_U64': ( 0, 'IEM_MC_STORE_MEM_FLAT_U64' ),
|
---|
698 | 'IEM_MC_STORE_MEM_U8_CONST': ( 0, 'IEM_MC_STORE_MEM_FLAT_U8_CONST' ),
|
---|
699 | 'IEM_MC_STORE_MEM_U16_CONST': ( 0, 'IEM_MC_STORE_MEM_FLAT_U16_CONST' ),
|
---|
700 | 'IEM_MC_STORE_MEM_U32_CONST': ( 0, 'IEM_MC_STORE_MEM_FLAT_U32_CONST' ),
|
---|
701 | 'IEM_MC_STORE_MEM_U64_CONST': ( 0, 'IEM_MC_STORE_MEM_FLAT_U64_CONST' ),
|
---|
702 | 'IEM_MC_STORE_MEM_U128': ( 0, 'IEM_MC_STORE_MEM_FLAT_U128' ),
|
---|
703 | 'IEM_MC_STORE_MEM_U128_ALIGN_SSE': ( 0, 'IEM_MC_STORE_MEM_FLAT_U128_ALIGN_SSE' ),
|
---|
704 | 'IEM_MC_STORE_MEM_U256': ( 0, 'IEM_MC_STORE_MEM_FLAT_U256' ),
|
---|
705 | 'IEM_MC_STORE_MEM_U256_ALIGN_AVX': ( 0, 'IEM_MC_STORE_MEM_FLAT_U256_ALIGN_AVX' ),
|
---|
706 | 'IEM_MC_MEM_MAP': ( 2, 'IEM_MC_MEM_FLAT_MAP' ),
|
---|
707 | 'IEM_MC_MEM_MAP_U8_RW': ( 2, 'IEM_MC_MEM_FLAT_MAP_U8_RW' ),
|
---|
708 | 'IEM_MC_MEM_MAP_U8_RO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U8_RO' ),
|
---|
709 | 'IEM_MC_MEM_MAP_U8_WO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U8_WO' ),
|
---|
710 | 'IEM_MC_MEM_MAP_U16_RW': ( 2, 'IEM_MC_MEM_FLAT_MAP_U16_RW' ),
|
---|
711 | 'IEM_MC_MEM_MAP_U16_RO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U16_RO' ),
|
---|
712 | 'IEM_MC_MEM_MAP_U16_WO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U16_WO' ),
|
---|
713 | 'IEM_MC_MEM_MAP_U32_RW': ( 2, 'IEM_MC_MEM_FLAT_MAP_U32_RW' ),
|
---|
714 | 'IEM_MC_MEM_MAP_U32_RO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U32_RO' ),
|
---|
715 | 'IEM_MC_MEM_MAP_U32_WO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U32_WO' ),
|
---|
716 | 'IEM_MC_MEM_MAP_U64_RW': ( 2, 'IEM_MC_MEM_FLAT_MAP_U64_RW' ),
|
---|
717 | 'IEM_MC_MEM_MAP_U64_RO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U64_RO' ),
|
---|
718 | 'IEM_MC_MEM_MAP_U64_WO': ( 2, 'IEM_MC_MEM_FLAT_MAP_U64_WO' ),
|
---|
719 | 'IEM_MC_MEM_MAP_EX': ( 3, 'IEM_MC_MEM_FLAT_MAP_EX' ),
|
---|
720 | };
|
---|
721 |
|
---|
722 | kdMemMcToFlatInfoStack = {
|
---|
723 | 'IEM_MC_PUSH_U16': ( 'IEM_MC_FLAT32_PUSH_U16', 'IEM_MC_FLAT64_PUSH_U16', ),
|
---|
724 | 'IEM_MC_PUSH_U32': ( 'IEM_MC_FLAT32_PUSH_U32', 'IEM_MC_PUSH_U32', ),
|
---|
725 | 'IEM_MC_PUSH_U64': ( 'IEM_MC_PUSH_U64', 'IEM_MC_FLAT64_PUSH_U64', ),
|
---|
726 | 'IEM_MC_PUSH_U32_SREG': ( 'IEM_MC_FLAT32_PUSH_U32_SREG', 'IEM_MC_PUSH_U32_SREG' ),
|
---|
727 | 'IEM_MC_POP_U16': ( 'IEM_MC_FLAT32_POP_U16', 'IEM_MC_FLAT64_POP_U16', ),
|
---|
728 | 'IEM_MC_POP_U32': ( 'IEM_MC_FLAT32_POP_U32', 'IEM_MC_POP_U32', ),
|
---|
729 | 'IEM_MC_POP_U64': ( 'IEM_MC_POP_U64', 'IEM_MC_FLAT64_POP_U64', ),
|
---|
730 | };
|
---|
731 |
|
---|
732 | kdThreadedCalcRmEffAddrMcByVariation = {
|
---|
733 | ksVariation_16: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_16',
|
---|
734 | ksVariation_16f: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_16',
|
---|
735 | ksVariation_16_Pre386: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_16',
|
---|
736 | ksVariation_16f_Pre386: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_16',
|
---|
737 | ksVariation_32_Addr16: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_16',
|
---|
738 | ksVariation_32f_Addr16: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_16',
|
---|
739 | ksVariation_16_Addr32: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_32',
|
---|
740 | ksVariation_16f_Addr32: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_32',
|
---|
741 | ksVariation_32: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_32',
|
---|
742 | ksVariation_32f: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_32',
|
---|
743 | ksVariation_32_Flat: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_32',
|
---|
744 | ksVariation_32f_Flat: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_32',
|
---|
745 | ksVariation_64: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64',
|
---|
746 | ksVariation_64f: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64',
|
---|
747 | ksVariation_64_FsGs: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64_FSGS',
|
---|
748 | ksVariation_64f_FsGs: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64_FSGS',
|
---|
749 | ksVariation_64_Addr32: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64_ADDR32', ## @todo How did this work again...
|
---|
750 | ksVariation_64f_Addr32: 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64_ADDR32',
|
---|
751 | };
|
---|
752 |
|
---|
753 | def analyzeMorphStmtForThreaded(self, aoStmts, iParamRef = 0):
|
---|
754 | """
|
---|
755 | Transforms (copy) the statements into those for the threaded function.
|
---|
756 |
|
---|
757 | Returns list/tree of statements (aoStmts is not modified) and the new
|
---|
758 | iParamRef value.
|
---|
759 | """
|
---|
760 | #
|
---|
761 | # We'll be traversing aoParamRefs in parallel to the statements, so we
|
---|
762 | # must match the traversal in analyzeFindThreadedParamRefs exactly.
|
---|
763 | #
|
---|
764 | #print('McBlock at %s:%s' % (os.path.split(self.oMcBlock.sSrcFile)[1], self.oMcBlock.iBeginLine,));
|
---|
765 | aoThreadedStmts = [];
|
---|
766 | for oStmt in aoStmts:
|
---|
767 | # Skip C++ statements that is purely related to decoding.
|
---|
768 | if not oStmt.isCppStmt() or not oStmt.fDecode:
|
---|
769 | # Copy the statement. Make a deep copy to make sure we've got our own
|
---|
770 | # copies of all instance variables, even if a bit overkill at the moment.
|
---|
771 | oNewStmt = copy.deepcopy(oStmt);
|
---|
772 | aoThreadedStmts.append(oNewStmt);
|
---|
773 | #print('oNewStmt %s %s' % (oNewStmt.sName, len(oNewStmt.asParams),));
|
---|
774 |
|
---|
775 | # If the statement has parameter references, process the relevant parameters.
|
---|
776 | # We grab the references relevant to this statement and apply them in reserve order.
|
---|
777 | if iParamRef < len(self.aoParamRefs) and self.aoParamRefs[iParamRef].oStmt == oStmt:
|
---|
778 | iParamRefFirst = iParamRef;
|
---|
779 | while True:
|
---|
780 | iParamRef += 1;
|
---|
781 | if iParamRef >= len(self.aoParamRefs) or self.aoParamRefs[iParamRef].oStmt != oStmt:
|
---|
782 | break;
|
---|
783 |
|
---|
784 | #print('iParamRefFirst=%s iParamRef=%s' % (iParamRefFirst, iParamRef));
|
---|
785 | for iCurRef in range(iParamRef - 1, iParamRefFirst - 1, -1):
|
---|
786 | oCurRef = self.aoParamRefs[iCurRef];
|
---|
787 | if oCurRef.iParam is not None:
|
---|
788 | assert oCurRef.oStmt == oStmt;
|
---|
789 | #print('iCurRef=%s iParam=%s sOrgRef=%s' % (iCurRef, oCurRef.iParam, oCurRef.sOrgRef));
|
---|
790 | sSrcParam = oNewStmt.asParams[oCurRef.iParam];
|
---|
791 | assert ( sSrcParam[oCurRef.offParam : oCurRef.offParam + len(oCurRef.sOrgRef)] == oCurRef.sOrgRef
|
---|
792 | or oCurRef.fCustomRef), \
|
---|
793 | 'offParam=%s sOrgRef=%s iParam=%s oStmt.sName=%s sSrcParam=%s<eos>' \
|
---|
794 | % (oCurRef.offParam, oCurRef.sOrgRef, oCurRef.iParam, oStmt.sName, sSrcParam);
|
---|
795 | oNewStmt.asParams[oCurRef.iParam] = sSrcParam[0 : oCurRef.offParam] \
|
---|
796 | + oCurRef.sNewName \
|
---|
797 | + sSrcParam[oCurRef.offParam + len(oCurRef.sOrgRef) : ];
|
---|
798 |
|
---|
799 | # Morph IEM_MC_CALC_RM_EFF_ADDR into IEM_MC_CALC_RM_EFF_ADDR_THREADED ...
|
---|
800 | if oNewStmt.sName == 'IEM_MC_CALC_RM_EFF_ADDR':
|
---|
801 | oNewStmt.sName = self.kdThreadedCalcRmEffAddrMcByVariation[self.sVariation];
|
---|
802 | assert len(oNewStmt.asParams) == 3;
|
---|
803 |
|
---|
804 | if self.sVariation in self.kdVariationsWithFlatAddr16:
|
---|
805 | oNewStmt.asParams = [
|
---|
806 | oNewStmt.asParams[0], oNewStmt.asParams[1], self.dParamRefs['u16Disp'][0].sNewName,
|
---|
807 | ];
|
---|
808 | else:
|
---|
809 | sSibAndMore = self.dParamRefs['bSib'][0].sNewName; # Merge bSib and 2nd part of cbImmAndRspOffset.
|
---|
810 | if oStmt.asParams[2] not in ('0', '1', '2', '4'):
|
---|
811 | sSibAndMore = '(%s) | ((%s) & 0x0f00)' % (self.dParamRefs['bSib'][0].sNewName, oStmt.asParams[2]);
|
---|
812 |
|
---|
813 | if self.sVariation in self.kdVariationsWithFlatAddr32No64:
|
---|
814 | oNewStmt.asParams = [
|
---|
815 | oNewStmt.asParams[0], oNewStmt.asParams[1], sSibAndMore, self.dParamRefs['u32Disp'][0].sNewName,
|
---|
816 | ];
|
---|
817 | else:
|
---|
818 | oNewStmt.asParams = [
|
---|
819 | oNewStmt.asParams[0], self.dParamRefs['bRmEx'][0].sNewName, sSibAndMore,
|
---|
820 | self.dParamRefs['u32Disp'][0].sNewName, self.dParamRefs['cbInstr'][0].sNewName,
|
---|
821 | ];
|
---|
822 | # ... and IEM_MC_ADVANCE_RIP_AND_FINISH into *_THREADED_PCxx[_WITH_FLAGS] ...
|
---|
823 | elif oNewStmt.sName in ('IEM_MC_ADVANCE_RIP_AND_FINISH', 'IEM_MC_REL_JMP_S8_AND_FINISH',
|
---|
824 | 'IEM_MC_REL_JMP_S16_AND_FINISH', 'IEM_MC_REL_JMP_S32_AND_FINISH'):
|
---|
825 | oNewStmt.asParams.append(self.dParamRefs['cbInstr'][0].sNewName);
|
---|
826 | if ( oNewStmt.sName in ('IEM_MC_REL_JMP_S8_AND_FINISH', )
|
---|
827 | and self.sVariation not in (self.ksVariation_16_Pre386, self.ksVariation_16f_Pre386,)):
|
---|
828 | oNewStmt.asParams.append(self.dParamRefs['pVCpu->iem.s.enmEffOpSize'][0].sNewName);
|
---|
829 | oNewStmt.sName += '_THREADED';
|
---|
830 | if self.sVariation in (self.ksVariation_64, self.ksVariation_64_FsGs, self.ksVariation_64_Addr32):
|
---|
831 | oNewStmt.sName += '_PC64';
|
---|
832 | elif self.sVariation in (self.ksVariation_64f, self.ksVariation_64f_FsGs, self.ksVariation_64f_Addr32):
|
---|
833 | oNewStmt.sName += '_PC64_WITH_FLAGS';
|
---|
834 | elif self.sVariation == self.ksVariation_16_Pre386:
|
---|
835 | oNewStmt.sName += '_PC16';
|
---|
836 | elif self.sVariation == self.ksVariation_16f_Pre386:
|
---|
837 | oNewStmt.sName += '_PC16_WITH_FLAGS';
|
---|
838 | elif self.sVariation not in self.kdVariationsWithEflagsCheckingAndClearing:
|
---|
839 | assert self.sVariation != self.ksVariation_Default;
|
---|
840 | oNewStmt.sName += '_PC32';
|
---|
841 | else:
|
---|
842 | oNewStmt.sName += '_PC32_WITH_FLAGS';
|
---|
843 |
|
---|
844 | # ... and IEM_MC_*_GREG_U8 into *_THREADED w/ reworked index taking REX into account
|
---|
845 | elif oNewStmt.sName.startswith('IEM_MC_') and oNewStmt.sName.find('_GREG_U8') > 0:
|
---|
846 | (idxReg, _, sStdRef) = self.analyze8BitGRegStmt(oStmt); # Don't use oNewStmt as it has been modified!
|
---|
847 | oNewStmt.asParams[idxReg] = self.dParamRefs[sStdRef][0].sNewName;
|
---|
848 | oNewStmt.sName += '_THREADED';
|
---|
849 |
|
---|
850 | # ... and IEM_MC_CALL_CIMPL_[0-5] and IEM_MC_DEFER_TO_CIMPL_[0-5]_RET into *_THREADED ...
|
---|
851 | elif oNewStmt.sName.startswith('IEM_MC_CALL_CIMPL_') or oNewStmt.sName.startswith('IEM_MC_DEFER_TO_CIMPL_'):
|
---|
852 | oNewStmt.sName += '_THREADED';
|
---|
853 | oNewStmt.asParams.insert(0, self.dParamRefs['cbInstr'][0].sNewName);
|
---|
854 |
|
---|
855 | # ... and in FLAT modes we must morph memory access into FLAT accesses ...
|
---|
856 | elif ( self.sVariation in self.kdVariationsWithFlatAddress
|
---|
857 | and ( oNewStmt.sName.startswith('IEM_MC_FETCH_MEM')
|
---|
858 | or (oNewStmt.sName.startswith('IEM_MC_STORE_MEM_') and oNewStmt.sName.find('_BY_REF') < 0)
|
---|
859 | or oNewStmt.sName.startswith('IEM_MC_MEM_MAP') )):
|
---|
860 | idxEffSeg = self.kdMemMcToFlatInfo[oNewStmt.sName][0];
|
---|
861 | if idxEffSeg != -1:
|
---|
862 | if ( oNewStmt.asParams[idxEffSeg].find('iEffSeg') < 0
|
---|
863 | and oNewStmt.asParams[idxEffSeg] not in ('X86_SREG_ES', ) ):
|
---|
864 | self.raiseProblem('Expected iEffSeg as param #%d to %s: %s'
|
---|
865 | % (idxEffSeg + 1, oNewStmt.sName, oNewStmt.asParams[idxEffSeg],));
|
---|
866 | oNewStmt.asParams.pop(idxEffSeg);
|
---|
867 | oNewStmt.sName = self.kdMemMcToFlatInfo[oNewStmt.sName][1];
|
---|
868 |
|
---|
869 | # ... PUSH and POP also needs flat variants, but these differ a little.
|
---|
870 | elif ( self.sVariation in self.kdVariationsWithFlatAddress
|
---|
871 | and ( (oNewStmt.sName.startswith('IEM_MC_PUSH') and oNewStmt.sName.find('_FPU') < 0)
|
---|
872 | or oNewStmt.sName.startswith('IEM_MC_POP'))):
|
---|
873 | oNewStmt.sName = self.kdMemMcToFlatInfoStack[oNewStmt.sName][int(self.sVariation in (self.ksVariation_64,
|
---|
874 | self.ksVariation_64f,))];
|
---|
875 |
|
---|
876 |
|
---|
877 | # Process branches of conditionals recursively.
|
---|
878 | if isinstance(oStmt, iai.McStmtCond):
|
---|
879 | (oNewStmt.aoIfBranch, iParamRef) = self.analyzeMorphStmtForThreaded(oStmt.aoIfBranch, iParamRef);
|
---|
880 | if oStmt.aoElseBranch:
|
---|
881 | (oNewStmt.aoElseBranch, iParamRef) = self.analyzeMorphStmtForThreaded(oStmt.aoElseBranch, iParamRef);
|
---|
882 |
|
---|
883 | return (aoThreadedStmts, iParamRef);
|
---|
884 |
|
---|
885 |
|
---|
886 | def analyzeConsolidateThreadedParamRefs(self):
|
---|
887 | """
|
---|
888 | Consolidate threaded function parameter references into a dictionary
|
---|
889 | with lists of the references to each variable/field.
|
---|
890 | """
|
---|
891 | # Gather unique parameters.
|
---|
892 | self.dParamRefs = {};
|
---|
893 | for oRef in self.aoParamRefs:
|
---|
894 | if oRef.sStdRef not in self.dParamRefs:
|
---|
895 | self.dParamRefs[oRef.sStdRef] = [oRef,];
|
---|
896 | else:
|
---|
897 | self.dParamRefs[oRef.sStdRef].append(oRef);
|
---|
898 |
|
---|
899 | # Generate names for them for use in the threaded function.
|
---|
900 | dParamNames = {};
|
---|
901 | for sName, aoRefs in self.dParamRefs.items():
|
---|
902 | # Morph the reference expression into a name.
|
---|
903 | if sName.startswith('IEM_GET_MODRM_REG'): sName = 'bModRmRegP';
|
---|
904 | elif sName.startswith('IEM_GET_MODRM_RM'): sName = 'bModRmRmP';
|
---|
905 | elif sName.startswith('IEM_GET_MODRM_REG_8'): sName = 'bModRmReg8P';
|
---|
906 | elif sName.startswith('IEM_GET_MODRM_RM_8'): sName = 'bModRmRm8P';
|
---|
907 | elif sName.startswith('IEM_GET_EFFECTIVE_VVVV'): sName = 'bEffVvvvP';
|
---|
908 | elif sName.find('.') >= 0 or sName.find('->') >= 0:
|
---|
909 | sName = sName[max(sName.rfind('.'), sName.rfind('>')) + 1 : ] + 'P';
|
---|
910 | else:
|
---|
911 | sName += 'P';
|
---|
912 |
|
---|
913 | # Ensure it's unique.
|
---|
914 | if sName in dParamNames:
|
---|
915 | for i in range(10):
|
---|
916 | if sName + str(i) not in dParamNames:
|
---|
917 | sName += str(i);
|
---|
918 | break;
|
---|
919 | dParamNames[sName] = True;
|
---|
920 |
|
---|
921 | # Update all the references.
|
---|
922 | for oRef in aoRefs:
|
---|
923 | oRef.sNewName = sName;
|
---|
924 |
|
---|
925 | # Organize them by size too for the purpose of optimize them.
|
---|
926 | dBySize = {} # type: Dict[str, str]
|
---|
927 | for sStdRef, aoRefs in self.dParamRefs.items():
|
---|
928 | if aoRefs[0].sType[0] != 'P':
|
---|
929 | cBits = g_kdTypeInfo[aoRefs[0].sType][0];
|
---|
930 | assert(cBits <= 64);
|
---|
931 | else:
|
---|
932 | cBits = 64;
|
---|
933 |
|
---|
934 | if cBits not in dBySize:
|
---|
935 | dBySize[cBits] = [sStdRef,]
|
---|
936 | else:
|
---|
937 | dBySize[cBits].append(sStdRef);
|
---|
938 |
|
---|
939 | # Pack the parameters as best as we can, starting with the largest ones
|
---|
940 | # and ASSUMING a 64-bit parameter size.
|
---|
941 | self.cMinParams = 0;
|
---|
942 | offNewParam = 0;
|
---|
943 | for cBits in sorted(dBySize.keys(), reverse = True):
|
---|
944 | for sStdRef in dBySize[cBits]:
|
---|
945 | if offNewParam == 0 or offNewParam + cBits > 64:
|
---|
946 | self.cMinParams += 1;
|
---|
947 | offNewParam = cBits;
|
---|
948 | else:
|
---|
949 | offNewParam += cBits;
|
---|
950 | assert(offNewParam <= 64);
|
---|
951 |
|
---|
952 | for oRef in self.dParamRefs[sStdRef]:
|
---|
953 | oRef.iNewParam = self.cMinParams - 1;
|
---|
954 | oRef.offNewParam = offNewParam - cBits;
|
---|
955 |
|
---|
956 | # Currently there are a few that requires 4 parameters, list these so we can figure out why:
|
---|
957 | if self.cMinParams >= 4:
|
---|
958 | print('debug: cMinParams=%s cRawParams=%s - %s:%d'
|
---|
959 | % (self.cMinParams, len(self.dParamRefs), self.oParent.oMcBlock.sSrcFile, self.oParent.oMcBlock.iBeginLine,));
|
---|
960 |
|
---|
961 | return True;
|
---|
962 |
|
---|
963 | ksHexDigits = '0123456789abcdefABCDEF';
|
---|
964 |
|
---|
965 | def analyzeFindThreadedParamRefs(self, aoStmts): # pylint: disable=too-many-statements
|
---|
966 | """
|
---|
967 | Scans the statements for things that have to passed on to the threaded
|
---|
968 | function (populates self.aoParamRefs).
|
---|
969 | """
|
---|
970 | for oStmt in aoStmts:
|
---|
971 | # Some statements we can skip alltogether.
|
---|
972 | if isinstance(oStmt, iai.McCppPreProc):
|
---|
973 | continue;
|
---|
974 | if oStmt.isCppStmt() and oStmt.fDecode:
|
---|
975 | continue;
|
---|
976 | if oStmt.sName in ('IEM_MC_BEGIN',):
|
---|
977 | continue;
|
---|
978 |
|
---|
979 | if isinstance(oStmt, iai.McStmtVar):
|
---|
980 | if oStmt.sValue is None:
|
---|
981 | continue;
|
---|
982 | aiSkipParams = { 0: True, 1: True, 3: True };
|
---|
983 | else:
|
---|
984 | aiSkipParams = {};
|
---|
985 |
|
---|
986 | # Several statements have implicit parameters and some have different parameters.
|
---|
987 | if oStmt.sName in ('IEM_MC_ADVANCE_RIP_AND_FINISH', 'IEM_MC_REL_JMP_S8_AND_FINISH', 'IEM_MC_REL_JMP_S16_AND_FINISH',
|
---|
988 | 'IEM_MC_REL_JMP_S32_AND_FINISH', 'IEM_MC_CALL_CIMPL_0', 'IEM_MC_CALL_CIMPL_1',
|
---|
989 | 'IEM_MC_CALL_CIMPL_2', 'IEM_MC_CALL_CIMPL_3', 'IEM_MC_CALL_CIMPL_4', 'IEM_MC_CALL_CIMPL_5',
|
---|
990 | 'IEM_MC_DEFER_TO_CIMPL_0_RET', 'IEM_MC_DEFER_TO_CIMPL_1_RET', 'IEM_MC_DEFER_TO_CIMPL_2_RET',
|
---|
991 | 'IEM_MC_DEFER_TO_CIMPL_3_RET', 'IEM_MC_DEFER_TO_CIMPL_4_RET', 'IEM_MC_DEFER_TO_CIMPL_5_RET', ):
|
---|
992 | self.aoParamRefs.append(ThreadedParamRef('IEM_GET_INSTR_LEN(pVCpu)', 'uint4_t', oStmt, sStdRef = 'cbInstr'));
|
---|
993 |
|
---|
994 | if ( oStmt.sName in ('IEM_MC_REL_JMP_S8_AND_FINISH',)
|
---|
995 | and self.sVariation not in (self.ksVariation_16_Pre386, self.ksVariation_16f_Pre386,)):
|
---|
996 | self.aoParamRefs.append(ThreadedParamRef('pVCpu->iem.s.enmEffOpSize', 'IEMMODE', oStmt));
|
---|
997 |
|
---|
998 | if oStmt.sName == 'IEM_MC_CALC_RM_EFF_ADDR':
|
---|
999 | # This is being pretty presumptive about bRm always being the RM byte...
|
---|
1000 | assert len(oStmt.asParams) == 3;
|
---|
1001 | assert oStmt.asParams[1] == 'bRm';
|
---|
1002 |
|
---|
1003 | if self.sVariation in self.kdVariationsWithFlatAddr16:
|
---|
1004 | self.aoParamRefs.append(ThreadedParamRef('bRm', 'uint8_t', oStmt));
|
---|
1005 | self.aoParamRefs.append(ThreadedParamRef('(uint16_t)uEffAddrInfo' ,
|
---|
1006 | 'uint16_t', oStmt, sStdRef = 'u16Disp'));
|
---|
1007 | elif self.sVariation in self.kdVariationsWithFlatAddr32No64:
|
---|
1008 | self.aoParamRefs.append(ThreadedParamRef('bRm', 'uint8_t', oStmt));
|
---|
1009 | self.aoParamRefs.append(ThreadedParamRef('(uint8_t)(uEffAddrInfo >> 32)',
|
---|
1010 | 'uint8_t', oStmt, sStdRef = 'bSib'));
|
---|
1011 | self.aoParamRefs.append(ThreadedParamRef('(uint32_t)uEffAddrInfo',
|
---|
1012 | 'uint32_t', oStmt, sStdRef = 'u32Disp'));
|
---|
1013 | else:
|
---|
1014 | assert self.sVariation in self.kasVariationsWithAddressOnly64;
|
---|
1015 | self.aoParamRefs.append(ThreadedParamRef('IEM_GET_MODRM_EX(pVCpu, bRm)',
|
---|
1016 | 'uint8_t', oStmt, sStdRef = 'bRmEx'));
|
---|
1017 | self.aoParamRefs.append(ThreadedParamRef('(uint8_t)(uEffAddrInfo >> 32)',
|
---|
1018 | 'uint8_t', oStmt, sStdRef = 'bSib'));
|
---|
1019 | self.aoParamRefs.append(ThreadedParamRef('(uint32_t)uEffAddrInfo',
|
---|
1020 | 'uint32_t', oStmt, sStdRef = 'u32Disp'));
|
---|
1021 | self.aoParamRefs.append(ThreadedParamRef('IEM_GET_INSTR_LEN(pVCpu)',
|
---|
1022 | 'uint4_t', oStmt, sStdRef = 'cbInstr'));
|
---|
1023 | aiSkipParams[1] = True; # Skip the bRm parameter as it is being replaced by bRmEx.
|
---|
1024 |
|
---|
1025 | # 8-bit register accesses needs to have their index argument reworked to take REX into account.
|
---|
1026 | if oStmt.sName.startswith('IEM_MC_') and oStmt.sName.find('_GREG_U8') > 0:
|
---|
1027 | (idxReg, sOrgRef, sStdRef) = self.analyze8BitGRegStmt(oStmt);
|
---|
1028 | self.aoParamRefs.append(ThreadedParamRef(sOrgRef, 'uint16_t', oStmt, idxReg, sStdRef = sStdRef));
|
---|
1029 | aiSkipParams[idxReg] = True; # Skip the parameter below.
|
---|
1030 |
|
---|
1031 | # If in flat mode variation, ignore the effective segment parameter to memory MCs.
|
---|
1032 | if ( self.sVariation in self.kdVariationsWithFlatAddress
|
---|
1033 | and oStmt.sName in self.kdMemMcToFlatInfo
|
---|
1034 | and self.kdMemMcToFlatInfo[oStmt.sName][0] != -1):
|
---|
1035 | aiSkipParams[self.kdMemMcToFlatInfo[oStmt.sName][0]] = True;
|
---|
1036 |
|
---|
1037 | # Inspect the target of calls to see if we need to pass down a
|
---|
1038 | # function pointer or function table pointer for it to work.
|
---|
1039 | if isinstance(oStmt, iai.McStmtCall):
|
---|
1040 | if oStmt.sFn[0] == 'p':
|
---|
1041 | self.aoParamRefs.append(ThreadedParamRef(oStmt.sFn, self.analyzeCallToType(oStmt.sFn), oStmt, oStmt.idxFn));
|
---|
1042 | elif ( oStmt.sFn[0] != 'i'
|
---|
1043 | and not oStmt.sFn.startswith('IEMTARGETCPU_EFL_BEHAVIOR_SELECT')
|
---|
1044 | and not oStmt.sFn.startswith('IEM_SELECT_HOST_OR_FALLBACK') ):
|
---|
1045 | self.raiseProblem('Bogus function name in %s: %s' % (oStmt.sName, oStmt.sFn,));
|
---|
1046 | aiSkipParams[oStmt.idxFn] = True;
|
---|
1047 |
|
---|
1048 | # Skip the hint parameter (first) for IEM_MC_CALL_CIMPL_X.
|
---|
1049 | if oStmt.sName.startswith('IEM_MC_CALL_CIMPL_'):
|
---|
1050 | assert oStmt.idxFn == 2;
|
---|
1051 | aiSkipParams[0] = True;
|
---|
1052 |
|
---|
1053 |
|
---|
1054 | # Check all the parameters for bogus references.
|
---|
1055 | for iParam, sParam in enumerate(oStmt.asParams):
|
---|
1056 | if iParam not in aiSkipParams and sParam not in self.oParent.dVariables:
|
---|
1057 | # The parameter may contain a C expression, so we have to try
|
---|
1058 | # extract the relevant bits, i.e. variables and fields while
|
---|
1059 | # ignoring operators and parentheses.
|
---|
1060 | offParam = 0;
|
---|
1061 | while offParam < len(sParam):
|
---|
1062 | # Is it the start of an C identifier? If so, find the end, but don't stop on field separators (->, .).
|
---|
1063 | ch = sParam[offParam];
|
---|
1064 | if ch.isalpha() or ch == '_':
|
---|
1065 | offStart = offParam;
|
---|
1066 | offParam += 1;
|
---|
1067 | while offParam < len(sParam):
|
---|
1068 | ch = sParam[offParam];
|
---|
1069 | if not ch.isalnum() and ch != '_' and ch != '.':
|
---|
1070 | if ch != '-' or sParam[offParam + 1] != '>':
|
---|
1071 | # Special hack for the 'CTX_SUFF(pVM)' bit in pVCpu->CTX_SUFF(pVM)->xxxx:
|
---|
1072 | if ( ch == '('
|
---|
1073 | and sParam[offStart : offParam + len('(pVM)->')] == 'pVCpu->CTX_SUFF(pVM)->'):
|
---|
1074 | offParam += len('(pVM)->') - 1;
|
---|
1075 | else:
|
---|
1076 | break;
|
---|
1077 | offParam += 1;
|
---|
1078 | offParam += 1;
|
---|
1079 | sRef = sParam[offStart : offParam];
|
---|
1080 |
|
---|
1081 | # For register references, we pass the full register indexes instead as macros
|
---|
1082 | # like IEM_GET_MODRM_REG implicitly references pVCpu->iem.s.uRexReg and the
|
---|
1083 | # threaded function will be more efficient if we just pass the register index
|
---|
1084 | # as a 4-bit param.
|
---|
1085 | if ( sRef.startswith('IEM_GET_MODRM')
|
---|
1086 | or sRef.startswith('IEM_GET_EFFECTIVE_VVVV') ):
|
---|
1087 | offParam = iai.McBlock.skipSpacesAt(sParam, offParam, len(sParam));
|
---|
1088 | if sParam[offParam] != '(':
|
---|
1089 | self.raiseProblem('Expected "(" following %s in "%s"' % (sRef, oStmt.renderCode(),));
|
---|
1090 | (asMacroParams, offCloseParam) = iai.McBlock.extractParams(sParam, offParam);
|
---|
1091 | if asMacroParams is None:
|
---|
1092 | self.raiseProblem('Unable to find ")" for %s in "%s"' % (sRef, oStmt.renderCode(),));
|
---|
1093 | offParam = offCloseParam + 1;
|
---|
1094 | self.aoParamRefs.append(ThreadedParamRef(sParam[offStart : offParam], 'uint8_t',
|
---|
1095 | oStmt, iParam, offStart));
|
---|
1096 |
|
---|
1097 | # We can skip known variables.
|
---|
1098 | elif sRef in self.oParent.dVariables:
|
---|
1099 | pass;
|
---|
1100 |
|
---|
1101 | # Skip certain macro invocations.
|
---|
1102 | elif sRef in ('IEM_GET_HOST_CPU_FEATURES',
|
---|
1103 | 'IEM_GET_GUEST_CPU_FEATURES',
|
---|
1104 | 'IEM_IS_GUEST_CPU_AMD',
|
---|
1105 | 'IEM_IS_16BIT_CODE',
|
---|
1106 | 'IEM_IS_32BIT_CODE',
|
---|
1107 | 'IEM_IS_64BIT_CODE',
|
---|
1108 | ):
|
---|
1109 | offParam = iai.McBlock.skipSpacesAt(sParam, offParam, len(sParam));
|
---|
1110 | if sParam[offParam] != '(':
|
---|
1111 | self.raiseProblem('Expected "(" following %s in "%s"' % (sRef, oStmt.renderCode(),));
|
---|
1112 | (asMacroParams, offCloseParam) = iai.McBlock.extractParams(sParam, offParam);
|
---|
1113 | if asMacroParams is None:
|
---|
1114 | self.raiseProblem('Unable to find ")" for %s in "%s"' % (sRef, oStmt.renderCode(),));
|
---|
1115 | offParam = offCloseParam + 1;
|
---|
1116 |
|
---|
1117 | # Skip any dereference following it, unless it's a predicate like IEM_IS_GUEST_CPU_AMD.
|
---|
1118 | if sRef not in ('IEM_IS_GUEST_CPU_AMD',
|
---|
1119 | 'IEM_IS_16BIT_CODE',
|
---|
1120 | 'IEM_IS_32BIT_CODE',
|
---|
1121 | 'IEM_IS_64BIT_CODE',
|
---|
1122 | ):
|
---|
1123 | offParam = iai.McBlock.skipSpacesAt(sParam, offParam, len(sParam));
|
---|
1124 | if offParam + 2 <= len(sParam) and sParam[offParam : offParam + 2] == '->':
|
---|
1125 | offParam = iai.McBlock.skipSpacesAt(sParam, offParam + 2, len(sParam));
|
---|
1126 | while offParam < len(sParam) and (sParam[offParam].isalnum() or sParam[offParam] in '_.'):
|
---|
1127 | offParam += 1;
|
---|
1128 |
|
---|
1129 | # Skip constants, globals, types (casts), sizeof and macros.
|
---|
1130 | elif ( sRef.startswith('IEM_OP_PRF_')
|
---|
1131 | or sRef.startswith('IEM_ACCESS_')
|
---|
1132 | or sRef.startswith('IEMINT_')
|
---|
1133 | or sRef.startswith('X86_GREG_')
|
---|
1134 | or sRef.startswith('X86_SREG_')
|
---|
1135 | or sRef.startswith('X86_EFL_')
|
---|
1136 | or sRef.startswith('X86_FSW_')
|
---|
1137 | or sRef.startswith('X86_FCW_')
|
---|
1138 | or sRef.startswith('X86_XCPT_')
|
---|
1139 | or sRef.startswith('IEMMODE_')
|
---|
1140 | or sRef.startswith('IEM_F_')
|
---|
1141 | or sRef.startswith('IEM_CIMPL_F_')
|
---|
1142 | or sRef.startswith('g_')
|
---|
1143 | or sRef.startswith('iemAImpl_')
|
---|
1144 | or sRef.startswith('kIemNativeGstReg_')
|
---|
1145 | or sRef in ( 'int8_t', 'int16_t', 'int32_t', 'int64_t',
|
---|
1146 | 'INT8_C', 'INT16_C', 'INT32_C', 'INT64_C',
|
---|
1147 | 'UINT8_C', 'UINT16_C', 'UINT32_C', 'UINT64_C',
|
---|
1148 | 'UINT8_MAX', 'UINT16_MAX', 'UINT32_MAX', 'UINT64_MAX',
|
---|
1149 | 'INT8_MAX', 'INT16_MAX', 'INT32_MAX', 'INT64_MAX',
|
---|
1150 | 'INT8_MIN', 'INT16_MIN', 'INT32_MIN', 'INT64_MIN',
|
---|
1151 | 'sizeof', 'NOREF', 'RT_NOREF', 'IEMMODE_64BIT',
|
---|
1152 | 'RT_BIT_32', 'RT_BIT_64', 'true', 'false',
|
---|
1153 | 'NIL_RTGCPTR',) ):
|
---|
1154 | pass;
|
---|
1155 |
|
---|
1156 | # Skip certain macro invocations.
|
---|
1157 | # Any variable (non-field) and decoder fields in IEMCPU will need to be parameterized.
|
---|
1158 | elif ( ( '.' not in sRef
|
---|
1159 | and '-' not in sRef
|
---|
1160 | and sRef not in ('pVCpu', ) )
|
---|
1161 | or iai.McBlock.koReIemDecoderVars.search(sRef) is not None):
|
---|
1162 | self.aoParamRefs.append(ThreadedParamRef(sRef, self.analyzeReferenceToType(sRef),
|
---|
1163 | oStmt, iParam, offStart));
|
---|
1164 | # Number.
|
---|
1165 | elif ch.isdigit():
|
---|
1166 | if ( ch == '0'
|
---|
1167 | and offParam + 2 <= len(sParam)
|
---|
1168 | and sParam[offParam + 1] in 'xX'
|
---|
1169 | and sParam[offParam + 2] in self.ksHexDigits ):
|
---|
1170 | offParam += 2;
|
---|
1171 | while offParam < len(sParam) and sParam[offParam] in self.ksHexDigits:
|
---|
1172 | offParam += 1;
|
---|
1173 | else:
|
---|
1174 | while offParam < len(sParam) and sParam[offParam].isdigit():
|
---|
1175 | offParam += 1;
|
---|
1176 | # Comment?
|
---|
1177 | elif ( ch == '/'
|
---|
1178 | and offParam + 4 <= len(sParam)
|
---|
1179 | and sParam[offParam + 1] == '*'):
|
---|
1180 | offParam += 2;
|
---|
1181 | offNext = sParam.find('*/', offParam);
|
---|
1182 | if offNext < offParam:
|
---|
1183 | self.raiseProblem('Unable to find "*/" in "%s" ("%s")' % (sRef, oStmt.renderCode(),));
|
---|
1184 | offParam = offNext + 2;
|
---|
1185 | # Whatever else.
|
---|
1186 | else:
|
---|
1187 | offParam += 1;
|
---|
1188 |
|
---|
1189 | # Traverse the branches of conditionals.
|
---|
1190 | if isinstance(oStmt, iai.McStmtCond):
|
---|
1191 | self.analyzeFindThreadedParamRefs(oStmt.aoIfBranch);
|
---|
1192 | self.analyzeFindThreadedParamRefs(oStmt.aoElseBranch);
|
---|
1193 | return True;
|
---|
1194 |
|
---|
1195 | def analyzeVariation(self, aoStmts):
|
---|
1196 | """
|
---|
1197 | 2nd part of the analysis, done on each variation.
|
---|
1198 |
|
---|
1199 | The variations may differ in parameter requirements and will end up with
|
---|
1200 | slightly different MC sequences. Thus this is done on each individually.
|
---|
1201 |
|
---|
1202 | Returns dummy True - raises exception on trouble.
|
---|
1203 | """
|
---|
1204 | # Now scan the code for variables and field references that needs to
|
---|
1205 | # be passed to the threaded function because they are related to the
|
---|
1206 | # instruction decoding.
|
---|
1207 | self.analyzeFindThreadedParamRefs(aoStmts);
|
---|
1208 | self.analyzeConsolidateThreadedParamRefs();
|
---|
1209 |
|
---|
1210 | # Morph the statement stream for the block into what we'll be using in the threaded function.
|
---|
1211 | (self.aoStmtsForThreadedFunction, iParamRef) = self.analyzeMorphStmtForThreaded(aoStmts);
|
---|
1212 | if iParamRef != len(self.aoParamRefs):
|
---|
1213 | raise Exception('iParamRef=%s, expected %s!' % (iParamRef, len(self.aoParamRefs),));
|
---|
1214 |
|
---|
1215 | return True;
|
---|
1216 |
|
---|
1217 | def emitThreadedCallStmts(self, cchIndent, sCallVarNm = None):
|
---|
1218 | """
|
---|
1219 | Produces generic C++ statments that emits a call to the thread function
|
---|
1220 | variation and any subsequent checks that may be necessary after that.
|
---|
1221 |
|
---|
1222 | The sCallVarNm is for emitting
|
---|
1223 | """
|
---|
1224 | aoStmts = [
|
---|
1225 | iai.McCppCall('IEM_MC2_BEGIN_EMIT_CALLS',
|
---|
1226 | ['1' if 'IEM_CIMPL_F_CHECK_IRQ_BEFORE' in self.oParent.dsCImplFlags else '0'],
|
---|
1227 | cchIndent = cchIndent), # Scope and a hook for various stuff.
|
---|
1228 | ];
|
---|
1229 |
|
---|
1230 | # The call to the threaded function.
|
---|
1231 | asCallArgs = [ self.getIndexName() if not sCallVarNm else sCallVarNm, ];
|
---|
1232 | for iParam in range(self.cMinParams):
|
---|
1233 | asFrags = [];
|
---|
1234 | for aoRefs in self.dParamRefs.values():
|
---|
1235 | oRef = aoRefs[0];
|
---|
1236 | if oRef.iNewParam == iParam:
|
---|
1237 | sCast = '(uint64_t)'
|
---|
1238 | if oRef.sType in ('int8_t', 'int16_t', 'int32_t'): # Make sure these doesn't get sign-extended.
|
---|
1239 | sCast = '(uint64_t)(u' + oRef.sType + ')';
|
---|
1240 | if oRef.offNewParam == 0:
|
---|
1241 | asFrags.append(sCast + '(' + oRef.sOrgRef + ')');
|
---|
1242 | else:
|
---|
1243 | asFrags.append('(%s(%s) << %s)' % (sCast, oRef.sOrgRef, oRef.offNewParam));
|
---|
1244 | assert asFrags;
|
---|
1245 | asCallArgs.append(' | '.join(asFrags));
|
---|
1246 |
|
---|
1247 | aoStmts.append(iai.McCppCall('IEM_MC2_EMIT_CALL_%s' % (len(asCallArgs) - 1,), asCallArgs, cchIndent = cchIndent));
|
---|
1248 |
|
---|
1249 | # For CIMPL stuff, we need to consult the associated IEM_CIMPL_F_XXX
|
---|
1250 | # mask and maybe emit additional checks.
|
---|
1251 | if ( 'IEM_CIMPL_F_MODE' in self.oParent.dsCImplFlags
|
---|
1252 | or 'IEM_CIMPL_F_XCPT' in self.oParent.dsCImplFlags
|
---|
1253 | or 'IEM_CIMPL_F_VMEXIT' in self.oParent.dsCImplFlags):
|
---|
1254 | aoStmts.append(iai.McCppCall('IEM_MC2_EMIT_CALL_1', ( 'kIemThreadedFunc_BltIn_CheckMode', 'pVCpu->iem.s.fExec', ),
|
---|
1255 | cchIndent = cchIndent));
|
---|
1256 |
|
---|
1257 | sCImplFlags = ' | '.join(self.oParent.dsCImplFlags.keys());
|
---|
1258 | if not sCImplFlags:
|
---|
1259 | sCImplFlags = '0'
|
---|
1260 | aoStmts.append(iai.McCppCall('IEM_MC2_END_EMIT_CALLS', ( sCImplFlags, ), cchIndent = cchIndent)); # For closing the scope.
|
---|
1261 |
|
---|
1262 | # Emit fEndTb = true or fTbBranched = true if any of the CIMPL flags
|
---|
1263 | # indicates we should do so.
|
---|
1264 | # Note! iemThreadedRecompilerMcDeferToCImpl0 duplicates work done here.
|
---|
1265 | asEndTbFlags = [];
|
---|
1266 | asTbBranchedFlags = [];
|
---|
1267 | for sFlag in self.oParent.dsCImplFlags:
|
---|
1268 | if self.kdCImplFlags[sFlag] is True:
|
---|
1269 | asEndTbFlags.append(sFlag);
|
---|
1270 | elif sFlag.startswith('IEM_CIMPL_F_BRANCH_'):
|
---|
1271 | asTbBranchedFlags.append(sFlag);
|
---|
1272 | if asTbBranchedFlags:
|
---|
1273 | aoStmts.append(iai.McCppGeneric('iemThreadedSetBranched(pVCpu, %s);'
|
---|
1274 | % ((' | '.join(asTbBranchedFlags)).replace('IEM_CIMPL_F_BRANCH', 'IEMBRANCHED_F'),),
|
---|
1275 | cchIndent = cchIndent)); # Inline fn saves ~2 seconds for gcc 13/dbg (1m13s vs 1m15s).
|
---|
1276 | if asEndTbFlags:
|
---|
1277 | aoStmts.append(iai.McCppGeneric('pVCpu->iem.s.fEndTb = true; /* %s */' % (','.join(asEndTbFlags),),
|
---|
1278 | cchIndent = cchIndent));
|
---|
1279 |
|
---|
1280 | if 'IEM_CIMPL_F_CHECK_IRQ_AFTER' in self.oParent.dsCImplFlags:
|
---|
1281 | aoStmts.append(iai.McCppGeneric('pVCpu->iem.s.cInstrTillIrqCheck = 0;', cchIndent = cchIndent));
|
---|
1282 |
|
---|
1283 | return aoStmts;
|
---|
1284 |
|
---|
1285 |
|
---|
1286 | class ThreadedFunction(object):
|
---|
1287 | """
|
---|
1288 | A threaded function.
|
---|
1289 | """
|
---|
1290 |
|
---|
1291 | def __init__(self, oMcBlock: iai.McBlock) -> None:
|
---|
1292 | self.oMcBlock = oMcBlock # type: iai.McBlock
|
---|
1293 | # The remaining fields are only useful after analyze() has been called:
|
---|
1294 | ## Variations for this block. There is at least one.
|
---|
1295 | self.aoVariations = [] # type: List[ThreadedFunctionVariation]
|
---|
1296 | ## Variation dictionary containing the same as aoVariations.
|
---|
1297 | self.dVariations = {} # type: Dict[str, ThreadedFunctionVariation]
|
---|
1298 | ## Dictionary of local variables (IEM_MC_LOCAL[_CONST]) and call arguments (IEM_MC_ARG*).
|
---|
1299 | self.dVariables = {} # type: Dict[str, iai.McStmtVar]
|
---|
1300 | ## Dictionary with any IEM_CIMPL_F_XXX flags explicitly advertised in the code block
|
---|
1301 | ## and those determined by analyzeCodeOperation().
|
---|
1302 | self.dsCImplFlags = {} # type: Dict[str, bool]
|
---|
1303 |
|
---|
1304 | @staticmethod
|
---|
1305 | def dummyInstance():
|
---|
1306 | """ Gets a dummy instance. """
|
---|
1307 | return ThreadedFunction(iai.McBlock('null', 999999999, 999999999,
|
---|
1308 | iai.DecoderFunction('null', 999999999, 'nil', ('','')), 999999999));
|
---|
1309 |
|
---|
1310 | def hasWithFlagsCheckingAndClearingVariation(self):
|
---|
1311 | """
|
---|
1312 | Check if there is one or more with flags checking and clearing
|
---|
1313 | variations for this threaded function.
|
---|
1314 | """
|
---|
1315 | for sVarWithFlags in ThreadedFunctionVariation.kdVariationsWithEflagsCheckingAndClearing:
|
---|
1316 | if sVarWithFlags in self.dVariations:
|
---|
1317 | return True;
|
---|
1318 | return False;
|
---|
1319 |
|
---|
1320 | #
|
---|
1321 | # Analysis and code morphing.
|
---|
1322 | #
|
---|
1323 |
|
---|
1324 | def raiseProblem(self, sMessage):
|
---|
1325 | """ Raises a problem. """
|
---|
1326 | raise Exception('%s:%s: error: %s' % (self.oMcBlock.sSrcFile, self.oMcBlock.iBeginLine, sMessage, ));
|
---|
1327 |
|
---|
1328 | def warning(self, sMessage):
|
---|
1329 | """ Emits a warning. """
|
---|
1330 | print('%s:%s: warning: %s' % (self.oMcBlock.sSrcFile, self.oMcBlock.iBeginLine, sMessage, ));
|
---|
1331 |
|
---|
1332 | def analyzeFindVariablesAndCallArgs(self, aoStmts: List[iai.McStmt]) -> bool:
|
---|
1333 | """ Scans the statements for MC variables and call arguments. """
|
---|
1334 | for oStmt in aoStmts:
|
---|
1335 | if isinstance(oStmt, iai.McStmtVar):
|
---|
1336 | if oStmt.sVarName in self.dVariables:
|
---|
1337 | raise Exception('Variable %s is defined more than once!' % (oStmt.sVarName,));
|
---|
1338 | self.dVariables[oStmt.sVarName] = oStmt.sVarName;
|
---|
1339 |
|
---|
1340 | # There shouldn't be any variables or arguments declared inside if/
|
---|
1341 | # else blocks, but scan them too to be on the safe side.
|
---|
1342 | if isinstance(oStmt, iai.McStmtCond):
|
---|
1343 | cBefore = len(self.dVariables);
|
---|
1344 | self.analyzeFindVariablesAndCallArgs(oStmt.aoIfBranch);
|
---|
1345 | self.analyzeFindVariablesAndCallArgs(oStmt.aoElseBranch);
|
---|
1346 | if len(self.dVariables) != cBefore:
|
---|
1347 | raise Exception('Variables/arguments defined in conditional branches!');
|
---|
1348 | return True;
|
---|
1349 |
|
---|
1350 | def analyzeCodeOperation(self, aoStmts: List[iai.McStmt], fSeenConditional = False) -> bool:
|
---|
1351 | """
|
---|
1352 | Analyzes the code looking clues as to additional side-effects.
|
---|
1353 |
|
---|
1354 | Currently this is simply looking for branching and adding the relevant
|
---|
1355 | branch flags to dsCImplFlags. ASSUMES the caller pre-populates the
|
---|
1356 | dictionary with a copy of self.oMcBlock.dsCImplFlags.
|
---|
1357 | """
|
---|
1358 | for oStmt in aoStmts:
|
---|
1359 | # Set IEM_IMPL_C_F_BRANCH if we see any branching MCs.
|
---|
1360 | if oStmt.sName.startswith('IEM_MC_SET_RIP'):
|
---|
1361 | assert not fSeenConditional;
|
---|
1362 | self.dsCImplFlags['IEM_CIMPL_F_BRANCH_INDIRECT'] = True;
|
---|
1363 | elif oStmt.sName.startswith('IEM_MC_REL_JMP'):
|
---|
1364 | self.dsCImplFlags['IEM_CIMPL_F_BRANCH_RELATIVE'] = True;
|
---|
1365 | if fSeenConditional:
|
---|
1366 | self.dsCImplFlags['IEM_CIMPL_F_BRANCH_CONDITIONAL'] = True;
|
---|
1367 |
|
---|
1368 | # Check for CIMPL and AIMPL calls.
|
---|
1369 | if oStmt.sName.startswith('IEM_MC_CALL_'):
|
---|
1370 | if oStmt.sName.startswith('IEM_MC_CALL_CIMPL_'):
|
---|
1371 | self.dsCImplFlags['IEM_CIMPL_F_CALLS_CIMPL'] = True;
|
---|
1372 | elif ( oStmt.sName.startswith('IEM_MC_CALL_VOID_AIMPL_')
|
---|
1373 | or oStmt.sName.startswith('IEM_MC_CALL_AIMPL_')
|
---|
1374 | or oStmt.sName.startswith('IEM_MC_CALL_AVX_AIMPL_')):
|
---|
1375 | self.dsCImplFlags['IEM_CIMPL_F_CALLS_AIMPL'] = True;
|
---|
1376 | elif ( oStmt.sName.startswith('IEM_MC_CALL_SSE_AIMPL_')
|
---|
1377 | or oStmt.sName.startswith('IEM_MC_CALL_MMX_AIMPL_')
|
---|
1378 | or oStmt.sName.startswith('IEM_MC_CALL_FPU_AIMPL_')):
|
---|
1379 | self.dsCImplFlags['IEM_CIMPL_F_CALLS_AIMPL_WITH_FXSTATE'] = True;
|
---|
1380 | else:
|
---|
1381 | raise Exception('Unknown IEM_MC_CALL_* statement: %s' % (oStmt.sName,));
|
---|
1382 |
|
---|
1383 | # Process branches of conditionals recursively.
|
---|
1384 | if isinstance(oStmt, iai.McStmtCond):
|
---|
1385 | self.analyzeCodeOperation(oStmt.aoIfBranch, True);
|
---|
1386 | if oStmt.aoElseBranch:
|
---|
1387 | self.analyzeCodeOperation(oStmt.aoElseBranch, True);
|
---|
1388 |
|
---|
1389 | return True;
|
---|
1390 |
|
---|
1391 | def analyze(self):
|
---|
1392 | """
|
---|
1393 | Analyzes the code, identifying the number of parameters it requires and such.
|
---|
1394 |
|
---|
1395 | Returns dummy True - raises exception on trouble.
|
---|
1396 | """
|
---|
1397 |
|
---|
1398 | # Check the block for errors before we proceed (will decode it).
|
---|
1399 | asErrors = self.oMcBlock.check();
|
---|
1400 | if asErrors:
|
---|
1401 | raise Exception('\n'.join(['%s:%s: error: %s' % (self.oMcBlock.sSrcFile, self.oMcBlock.iBeginLine, sError, )
|
---|
1402 | for sError in asErrors]));
|
---|
1403 |
|
---|
1404 | # Decode the block into a list/tree of McStmt objects.
|
---|
1405 | aoStmts = self.oMcBlock.decode();
|
---|
1406 |
|
---|
1407 | # Scan the statements for local variables and call arguments (self.dVariables).
|
---|
1408 | self.analyzeFindVariablesAndCallArgs(aoStmts);
|
---|
1409 |
|
---|
1410 | # Scan the code for IEM_CIMPL_F_ and other clues.
|
---|
1411 | self.dsCImplFlags = self.oMcBlock.dsCImplFlags.copy();
|
---|
1412 | self.analyzeCodeOperation(aoStmts);
|
---|
1413 | if ( ('IEM_CIMPL_F_CALLS_CIMPL' in self.dsCImplFlags)
|
---|
1414 | + ('IEM_CIMPL_F_CALLS_AIMPL' in self.dsCImplFlags)
|
---|
1415 | + ('IEM_CIMPL_F_CALLS_AIMPL_WITH_FXSTATE' in self.dsCImplFlags) > 1):
|
---|
1416 | self.raiseProblem('Mixing CIMPL/AIMPL/AIMPL_WITH_FXSTATE calls');
|
---|
1417 |
|
---|
1418 | # Create variations as needed.
|
---|
1419 | if iai.McStmt.findStmtByNames(aoStmts,
|
---|
1420 | { 'IEM_MC_DEFER_TO_CIMPL_0_RET': True,
|
---|
1421 | 'IEM_MC_DEFER_TO_CIMPL_1_RET': True,
|
---|
1422 | 'IEM_MC_DEFER_TO_CIMPL_2_RET': True,
|
---|
1423 | 'IEM_MC_DEFER_TO_CIMPL_3_RET': True, }):
|
---|
1424 | asVariations = (ThreadedFunctionVariation.ksVariation_Default,);
|
---|
1425 |
|
---|
1426 | elif iai.McStmt.findStmtByNames(aoStmts, {'IEM_MC_CALC_RM_EFF_ADDR' : True,}):
|
---|
1427 | if 'IEM_MC_F_64BIT' in self.oMcBlock.dsMcFlags:
|
---|
1428 | asVariations = ThreadedFunctionVariation.kasVariationsWithAddressOnly64;
|
---|
1429 | elif 'IEM_MC_F_NOT_64BIT' in self.oMcBlock.dsMcFlags and 'IEM_MC_F_NOT_286_OR_OLDER' in self.oMcBlock.dsMcFlags:
|
---|
1430 | asVariations = ThreadedFunctionVariation.kasVariationsWithAddressNot286Not64;
|
---|
1431 | elif 'IEM_MC_F_NOT_286_OR_OLDER' in self.oMcBlock.dsMcFlags:
|
---|
1432 | asVariations = ThreadedFunctionVariation.kasVariationsWithAddressNot286;
|
---|
1433 | elif 'IEM_MC_F_NOT_64BIT' in self.oMcBlock.dsMcFlags:
|
---|
1434 | asVariations = ThreadedFunctionVariation.kasVariationsWithAddressNot64;
|
---|
1435 | elif 'IEM_MC_F_ONLY_8086' in self.oMcBlock.dsMcFlags:
|
---|
1436 | asVariations = ThreadedFunctionVariation.kasVariationsOnlyPre386;
|
---|
1437 | else:
|
---|
1438 | asVariations = ThreadedFunctionVariation.kasVariationsWithAddress;
|
---|
1439 | else:
|
---|
1440 | if 'IEM_MC_F_64BIT' in self.oMcBlock.dsMcFlags:
|
---|
1441 | asVariations = ThreadedFunctionVariation.kasVariationsWithoutAddressOnly64;
|
---|
1442 | elif 'IEM_MC_F_NOT_64BIT' in self.oMcBlock.dsMcFlags and 'IEM_MC_F_NOT_286_OR_OLDER' in self.oMcBlock.dsMcFlags:
|
---|
1443 | asVariations = ThreadedFunctionVariation.kasVariationsWithoutAddressNot286Not64;
|
---|
1444 | elif 'IEM_MC_F_NOT_286_OR_OLDER' in self.oMcBlock.dsMcFlags:
|
---|
1445 | asVariations = ThreadedFunctionVariation.kasVariationsWithoutAddressNot286;
|
---|
1446 | elif 'IEM_MC_F_NOT_64BIT' in self.oMcBlock.dsMcFlags:
|
---|
1447 | asVariations = ThreadedFunctionVariation.kasVariationsWithoutAddressNot64;
|
---|
1448 | elif 'IEM_MC_F_ONLY_8086' in self.oMcBlock.dsMcFlags:
|
---|
1449 | asVariations = ThreadedFunctionVariation.kasVariationsOnlyPre386;
|
---|
1450 | else:
|
---|
1451 | asVariations = ThreadedFunctionVariation.kasVariationsWithoutAddress;
|
---|
1452 |
|
---|
1453 | if not iai.McStmt.findStmtByNames(aoStmts,
|
---|
1454 | { 'IEM_MC_ADVANCE_RIP_AND_FINISH': True,
|
---|
1455 | 'IEM_MC_REL_JMP_S8_AND_FINISH': True,
|
---|
1456 | 'IEM_MC_REL_JMP_S16_AND_FINISH': True,
|
---|
1457 | 'IEM_MC_REL_JMP_S32_AND_FINISH': True,
|
---|
1458 | }):
|
---|
1459 | asVariations = [sVariation for sVariation in asVariations
|
---|
1460 | if sVariation not in ThreadedFunctionVariation.kdVariationsWithEflagsCheckingAndClearing];
|
---|
1461 |
|
---|
1462 | self.aoVariations = [ThreadedFunctionVariation(self, sVar) for sVar in asVariations];
|
---|
1463 |
|
---|
1464 | # Dictionary variant of the list.
|
---|
1465 | self.dVariations = { oVar.sVariation: oVar for oVar in self.aoVariations };
|
---|
1466 |
|
---|
1467 | # Continue the analysis on each variation.
|
---|
1468 | for oVariation in self.aoVariations:
|
---|
1469 | oVariation.analyzeVariation(aoStmts);
|
---|
1470 |
|
---|
1471 | return True;
|
---|
1472 |
|
---|
1473 | ## Used by emitThreadedCallStmts.
|
---|
1474 | kdVariationsWithNeedForPrefixCheck = {
|
---|
1475 | ThreadedFunctionVariation.ksVariation_64_Addr32: True,
|
---|
1476 | ThreadedFunctionVariation.ksVariation_64f_Addr32: True,
|
---|
1477 | ThreadedFunctionVariation.ksVariation_64_FsGs: True,
|
---|
1478 | ThreadedFunctionVariation.ksVariation_64f_FsGs: True,
|
---|
1479 | ThreadedFunctionVariation.ksVariation_32_Addr16: True,
|
---|
1480 | ThreadedFunctionVariation.ksVariation_32f_Addr16: True,
|
---|
1481 | ThreadedFunctionVariation.ksVariation_32_Flat: True,
|
---|
1482 | ThreadedFunctionVariation.ksVariation_32f_Flat: True,
|
---|
1483 | ThreadedFunctionVariation.ksVariation_16_Addr32: True,
|
---|
1484 | ThreadedFunctionVariation.ksVariation_16f_Addr32: True,
|
---|
1485 | };
|
---|
1486 |
|
---|
1487 | def emitThreadedCallStmts(self):
|
---|
1488 | """
|
---|
1489 | Worker for morphInputCode that returns a list of statements that emits
|
---|
1490 | the call to the threaded functions for the block.
|
---|
1491 | """
|
---|
1492 | # Special case for only default variation:
|
---|
1493 | if len(self.aoVariations) == 1 and self.aoVariations[0].sVariation == ThreadedFunctionVariation.ksVariation_Default:
|
---|
1494 | return self.aoVariations[0].emitThreadedCallStmts(0);
|
---|
1495 |
|
---|
1496 | #
|
---|
1497 | # Case statement sub-class.
|
---|
1498 | #
|
---|
1499 | dByVari = self.dVariations;
|
---|
1500 | #fDbg = self.oMcBlock.sFunction == 'iemOpCommonPushSReg';
|
---|
1501 | class Case:
|
---|
1502 | def __init__(self, sCond, sVarNm = None):
|
---|
1503 | self.sCond = sCond;
|
---|
1504 | self.sVarNm = sVarNm;
|
---|
1505 | self.oVar = dByVari[sVarNm] if sVarNm else None;
|
---|
1506 | self.aoBody = self.oVar.emitThreadedCallStmts(8) if sVarNm else None;
|
---|
1507 |
|
---|
1508 | def toCode(self):
|
---|
1509 | aoStmts = [ iai.McCppGeneric('case %s:' % (self.sCond), cchIndent = 4), ];
|
---|
1510 | if self.aoBody:
|
---|
1511 | aoStmts.extend(self.aoBody);
|
---|
1512 | aoStmts.append(iai.McCppGeneric('break;', cchIndent = 8));
|
---|
1513 | return aoStmts;
|
---|
1514 |
|
---|
1515 | def toFunctionAssignment(self):
|
---|
1516 | aoStmts = [ iai.McCppGeneric('case %s:' % (self.sCond), cchIndent = 4), ];
|
---|
1517 | if self.aoBody:
|
---|
1518 | aoStmts.extend([
|
---|
1519 | iai.McCppGeneric('enmFunction = %s;' % (self.oVar.getIndexName(),), cchIndent = 8),
|
---|
1520 | iai.McCppGeneric('break;', cchIndent = 8),
|
---|
1521 | ]);
|
---|
1522 | return aoStmts;
|
---|
1523 |
|
---|
1524 | def isSame(self, oThat):
|
---|
1525 | if not self.aoBody: # fall thru always matches.
|
---|
1526 | return True;
|
---|
1527 | if len(self.aoBody) != len(oThat.aoBody):
|
---|
1528 | #if fDbg: print('dbg: body len diff: %s vs %s' % (len(self.aoBody), len(oThat.aoBody),));
|
---|
1529 | return False;
|
---|
1530 | for iStmt, oStmt in enumerate(self.aoBody):
|
---|
1531 | oThatStmt = oThat.aoBody[iStmt] # type: iai.McStmt
|
---|
1532 | assert isinstance(oStmt, iai.McCppGeneric);
|
---|
1533 | assert not isinstance(oStmt, iai.McStmtCond);
|
---|
1534 | if isinstance(oStmt, iai.McStmtCond):
|
---|
1535 | return False;
|
---|
1536 | if oStmt.sName != oThatStmt.sName:
|
---|
1537 | #if fDbg: print('dbg: stmt #%s name: %s vs %s' % (iStmt, oStmt.sName, oThatStmt.sName,));
|
---|
1538 | return False;
|
---|
1539 | if len(oStmt.asParams) != len(oThatStmt.asParams):
|
---|
1540 | #if fDbg: print('dbg: stmt #%s param count: %s vs %s'
|
---|
1541 | # % (iStmt, len(oStmt.asParams), len(oThatStmt.asParams),));
|
---|
1542 | return False;
|
---|
1543 | for iParam, sParam in enumerate(oStmt.asParams):
|
---|
1544 | if ( sParam != oThatStmt.asParams[iParam]
|
---|
1545 | and ( iParam != 1
|
---|
1546 | or not isinstance(oStmt, iai.McCppCall)
|
---|
1547 | or not oStmt.asParams[0].startswith('IEM_MC2_EMIT_CALL_')
|
---|
1548 | or sParam != self.oVar.getIndexName()
|
---|
1549 | or oThatStmt.asParams[iParam] != oThat.oVar.getIndexName() )):
|
---|
1550 | #if fDbg: print('dbg: stmt #%s, param #%s: %s vs %s'
|
---|
1551 | # % (iStmt, iParam, sParam, oThatStmt.asParams[iParam],));
|
---|
1552 | return False;
|
---|
1553 | return True;
|
---|
1554 |
|
---|
1555 | #
|
---|
1556 | # Determine what we're switch on.
|
---|
1557 | # This ASSUMES that (IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | IEM_F_MODE_CPUMODE_MASK) == 7!
|
---|
1558 | #
|
---|
1559 | fSimple = True;
|
---|
1560 | sSwitchValue = '(pVCpu->iem.s.fExec & (IEM_F_MODE_CPUMODE_MASK | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK))';
|
---|
1561 | if dByVari.keys() & self.kdVariationsWithNeedForPrefixCheck.keys():
|
---|
1562 | sSwitchValue += ' | (pVCpu->iem.s.enmEffAddrMode == (pVCpu->iem.s.fExec & IEM_F_MODE_CPUMODE_MASK) ? 0 : 8)';
|
---|
1563 | # Accesses via FS and GS and CS goes thru non-FLAT functions. (CS
|
---|
1564 | # is not writable in 32-bit mode (at least), thus the penalty mode
|
---|
1565 | # for any accesses via it (simpler this way).)
|
---|
1566 | sSwitchValue += ' | (pVCpu->iem.s.iEffSeg < X86_SREG_FS && pVCpu->iem.s.iEffSeg != X86_SREG_CS ? 0 : 16)';
|
---|
1567 | fSimple = False; # threaded functions.
|
---|
1568 | if dByVari.keys() & ThreadedFunctionVariation.kdVariationsWithEflagsCheckingAndClearing:
|
---|
1569 | sSwitchValue += ' | ((pVCpu->iem.s.fTbPrevInstr & (IEM_CIMPL_F_RFLAGS | IEM_CIMPL_F_INHIBIT_SHADOW)) || ' \
|
---|
1570 | + '(pVCpu->iem.s.fExec & IEM_F_PENDING_BRK_MASK) ? 32 : 0)';
|
---|
1571 |
|
---|
1572 | #
|
---|
1573 | # Generate the case statements.
|
---|
1574 | #
|
---|
1575 | # pylintx: disable=x
|
---|
1576 | aoCases = [];
|
---|
1577 | if ThreadedFunctionVariation.ksVariation_64_Addr32 in dByVari:
|
---|
1578 | assert not fSimple;
|
---|
1579 | aoCases.extend([
|
---|
1580 | Case('IEMMODE_64BIT', ThrdFnVar.ksVariation_64),
|
---|
1581 | Case('IEMMODE_64BIT | 16', ThrdFnVar.ksVariation_64_FsGs),
|
---|
1582 | Case('IEMMODE_64BIT | 8 | 16', None), # fall thru
|
---|
1583 | Case('IEMMODE_64BIT | 8', ThrdFnVar.ksVariation_64_Addr32),
|
---|
1584 | ]);
|
---|
1585 | if ThreadedFunctionVariation.ksVariation_64f_Addr32 in dByVari:
|
---|
1586 | aoCases.extend([
|
---|
1587 | Case('IEMMODE_64BIT | 32', ThrdFnVar.ksVariation_64f),
|
---|
1588 | Case('IEMMODE_64BIT | 32 | 16', ThrdFnVar.ksVariation_64f_FsGs),
|
---|
1589 | Case('IEMMODE_64BIT | 32 | 8 | 16', None), # fall thru
|
---|
1590 | Case('IEMMODE_64BIT | 32 | 8', ThrdFnVar.ksVariation_64f_Addr32),
|
---|
1591 | ]);
|
---|
1592 | elif ThrdFnVar.ksVariation_64 in dByVari:
|
---|
1593 | assert fSimple;
|
---|
1594 | aoCases.append(Case('IEMMODE_64BIT', ThrdFnVar.ksVariation_64));
|
---|
1595 | if ThreadedFunctionVariation.ksVariation_64f in dByVari:
|
---|
1596 | aoCases.append(Case('IEMMODE_64BIT | 32', ThrdFnVar.ksVariation_64f));
|
---|
1597 |
|
---|
1598 | if ThrdFnVar.ksVariation_32_Addr16 in dByVari:
|
---|
1599 | assert not fSimple;
|
---|
1600 | aoCases.extend([
|
---|
1601 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK', ThrdFnVar.ksVariation_32_Flat),
|
---|
1602 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 16', None), # fall thru
|
---|
1603 | Case('IEMMODE_32BIT | 16', None), # fall thru
|
---|
1604 | Case('IEMMODE_32BIT', ThrdFnVar.ksVariation_32),
|
---|
1605 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 8', None), # fall thru
|
---|
1606 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 8 | 16',None), # fall thru
|
---|
1607 | Case('IEMMODE_32BIT | 8 | 16',None), # fall thru
|
---|
1608 | Case('IEMMODE_32BIT | 8', ThrdFnVar.ksVariation_32_Addr16),
|
---|
1609 | ]);
|
---|
1610 | if ThrdFnVar.ksVariation_32f_Addr16 in dByVari:
|
---|
1611 | aoCases.extend([
|
---|
1612 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 32', ThrdFnVar.ksVariation_32f_Flat),
|
---|
1613 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 32 | 16', None), # fall thru
|
---|
1614 | Case('IEMMODE_32BIT | 32 | 16', None), # fall thru
|
---|
1615 | Case('IEMMODE_32BIT | 32', ThrdFnVar.ksVariation_32f),
|
---|
1616 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 32 | 8', None), # fall thru
|
---|
1617 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 32 | 8 | 16',None), # fall thru
|
---|
1618 | Case('IEMMODE_32BIT | 32 | 8 | 16',None), # fall thru
|
---|
1619 | Case('IEMMODE_32BIT | 32 | 8', ThrdFnVar.ksVariation_32f_Addr16),
|
---|
1620 | ]);
|
---|
1621 | elif ThrdFnVar.ksVariation_32 in dByVari:
|
---|
1622 | assert fSimple;
|
---|
1623 | aoCases.extend([
|
---|
1624 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK', None), # fall thru
|
---|
1625 | Case('IEMMODE_32BIT', ThrdFnVar.ksVariation_32),
|
---|
1626 | ]);
|
---|
1627 | if ThrdFnVar.ksVariation_32f in dByVari:
|
---|
1628 | aoCases.extend([
|
---|
1629 | Case('IEMMODE_32BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 32', None), # fall thru
|
---|
1630 | Case('IEMMODE_32BIT | 32', ThrdFnVar.ksVariation_32f),
|
---|
1631 | ]);
|
---|
1632 |
|
---|
1633 | if ThrdFnVar.ksVariation_16_Addr32 in dByVari:
|
---|
1634 | assert not fSimple;
|
---|
1635 | aoCases.extend([
|
---|
1636 | Case('IEMMODE_16BIT | 16', None), # fall thru
|
---|
1637 | Case('IEMMODE_16BIT', ThrdFnVar.ksVariation_16),
|
---|
1638 | Case('IEMMODE_16BIT | 8 | 16', None), # fall thru
|
---|
1639 | Case('IEMMODE_16BIT | 8', ThrdFnVar.ksVariation_16_Addr32),
|
---|
1640 | ]);
|
---|
1641 | if ThrdFnVar.ksVariation_16f_Addr32 in dByVari:
|
---|
1642 | aoCases.extend([
|
---|
1643 | Case('IEMMODE_16BIT | 32 | 16', None), # fall thru
|
---|
1644 | Case('IEMMODE_16BIT | 32', ThrdFnVar.ksVariation_16f),
|
---|
1645 | Case('IEMMODE_16BIT | 32 | 8 | 16', None), # fall thru
|
---|
1646 | Case('IEMMODE_16BIT | 32 | 8', ThrdFnVar.ksVariation_16f_Addr32),
|
---|
1647 | ]);
|
---|
1648 | elif ThrdFnVar.ksVariation_16 in dByVari:
|
---|
1649 | assert fSimple;
|
---|
1650 | aoCases.append(Case('IEMMODE_16BIT', ThrdFnVar.ksVariation_16));
|
---|
1651 | if ThrdFnVar.ksVariation_16f in dByVari:
|
---|
1652 | aoCases.append(Case('IEMMODE_16BIT | 32', ThrdFnVar.ksVariation_16f));
|
---|
1653 |
|
---|
1654 | if ThrdFnVar.ksVariation_16_Pre386 in dByVari:
|
---|
1655 | if not fSimple:
|
---|
1656 | aoCases.append(Case('IEMMODE_16BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 16', None)); # fall thru
|
---|
1657 | aoCases.append(Case('IEMMODE_16BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK', ThrdFnVar.ksVariation_16_Pre386));
|
---|
1658 | if ThrdFnVar.ksVariation_16f_Pre386 in dByVari: # should be nested under previous if, but line too long.
|
---|
1659 | if not fSimple:
|
---|
1660 | aoCases.append(Case('IEMMODE_16BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 32 | 16', None)); # fall thru
|
---|
1661 | aoCases.append(Case('IEMMODE_16BIT | IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | 32', ThrdFnVar.ksVariation_16f_Pre386));
|
---|
1662 |
|
---|
1663 | #
|
---|
1664 | # If the case bodies are all the same, except for the function called,
|
---|
1665 | # we can reduce the code size and hopefully compile time.
|
---|
1666 | #
|
---|
1667 | iFirstCaseWithBody = 0;
|
---|
1668 | while not aoCases[iFirstCaseWithBody].aoBody:
|
---|
1669 | iFirstCaseWithBody += 1
|
---|
1670 | fAllSameCases = True
|
---|
1671 | for iCase in range(iFirstCaseWithBody + 1, len(aoCases)):
|
---|
1672 | fAllSameCases = fAllSameCases and aoCases[iCase].isSame(aoCases[iFirstCaseWithBody]);
|
---|
1673 | #if fDbg: print('fAllSameCases=%s %s' % (fAllSameCases, self.oMcBlock.sFunction,));
|
---|
1674 | if fAllSameCases:
|
---|
1675 | aoStmts = [
|
---|
1676 | iai.McCppGeneric('IEMTHREADEDFUNCS enmFunction;'),
|
---|
1677 | iai.McCppGeneric('switch (%s)' % (sSwitchValue,)),
|
---|
1678 | iai.McCppGeneric('{'),
|
---|
1679 | ];
|
---|
1680 | for oCase in aoCases:
|
---|
1681 | aoStmts.extend(oCase.toFunctionAssignment());
|
---|
1682 | aoStmts.extend([
|
---|
1683 | iai.McCppGeneric('IEM_NOT_REACHED_DEFAULT_CASE_RET();', cchIndent = 4),
|
---|
1684 | iai.McCppGeneric('}'),
|
---|
1685 | ]);
|
---|
1686 | aoStmts.extend(dByVari[aoCases[iFirstCaseWithBody].sVarNm].emitThreadedCallStmts(0, 'enmFunction'));
|
---|
1687 |
|
---|
1688 | else:
|
---|
1689 | #
|
---|
1690 | # Generate the generic switch statement.
|
---|
1691 | #
|
---|
1692 | aoStmts = [
|
---|
1693 | iai.McCppGeneric('switch (%s)' % (sSwitchValue,)),
|
---|
1694 | iai.McCppGeneric('{'),
|
---|
1695 | ];
|
---|
1696 | for oCase in aoCases:
|
---|
1697 | aoStmts.extend(oCase.toCode());
|
---|
1698 | aoStmts.extend([
|
---|
1699 | iai.McCppGeneric('IEM_NOT_REACHED_DEFAULT_CASE_RET();', cchIndent = 4),
|
---|
1700 | iai.McCppGeneric('}'),
|
---|
1701 | ]);
|
---|
1702 |
|
---|
1703 | return aoStmts;
|
---|
1704 |
|
---|
1705 | def morphInputCode(self, aoStmts, fCallEmitted = False, cDepth = 0):
|
---|
1706 | """
|
---|
1707 | Adjusts (& copies) the statements for the input/decoder so it will emit
|
---|
1708 | calls to the right threaded functions for each block.
|
---|
1709 |
|
---|
1710 | Returns list/tree of statements (aoStmts is not modified) and updated
|
---|
1711 | fCallEmitted status.
|
---|
1712 | """
|
---|
1713 | #print('McBlock at %s:%s' % (os.path.split(self.oMcBlock.sSrcFile)[1], self.oMcBlock.iBeginLine,));
|
---|
1714 | aoDecoderStmts = [];
|
---|
1715 |
|
---|
1716 | for oStmt in aoStmts:
|
---|
1717 | # Copy the statement. Make a deep copy to make sure we've got our own
|
---|
1718 | # copies of all instance variables, even if a bit overkill at the moment.
|
---|
1719 | oNewStmt = copy.deepcopy(oStmt);
|
---|
1720 | aoDecoderStmts.append(oNewStmt);
|
---|
1721 | #print('oNewStmt %s %s' % (oNewStmt.sName, len(oNewStmt.asParams),));
|
---|
1722 | if oNewStmt.sName == 'IEM_MC_BEGIN' and self.dsCImplFlags:
|
---|
1723 | oNewStmt.asParams[3] = ' | '.join(sorted(self.dsCImplFlags.keys()));
|
---|
1724 |
|
---|
1725 | # If we haven't emitted the threaded function call yet, look for
|
---|
1726 | # statements which it would naturally follow or preceed.
|
---|
1727 | if not fCallEmitted:
|
---|
1728 | if not oStmt.isCppStmt():
|
---|
1729 | if ( oStmt.sName.startswith('IEM_MC_MAYBE_RAISE_') \
|
---|
1730 | or (oStmt.sName.endswith('_AND_FINISH') and oStmt.sName.startswith('IEM_MC_'))
|
---|
1731 | or oStmt.sName.startswith('IEM_MC_CALL_CIMPL_')
|
---|
1732 | or oStmt.sName.startswith('IEM_MC_DEFER_TO_CIMPL_')
|
---|
1733 | or oStmt.sName in ('IEM_MC_RAISE_DIVIDE_ERROR',)):
|
---|
1734 | aoDecoderStmts.pop();
|
---|
1735 | aoDecoderStmts.extend(self.emitThreadedCallStmts());
|
---|
1736 | aoDecoderStmts.append(oNewStmt);
|
---|
1737 | fCallEmitted = True;
|
---|
1738 | elif ( oStmt.fDecode
|
---|
1739 | and ( oStmt.asParams[0].find('IEMOP_HLP_DONE_') >= 0
|
---|
1740 | or oStmt.asParams[0].find('IEMOP_HLP_DECODED_') >= 0)):
|
---|
1741 | aoDecoderStmts.extend(self.emitThreadedCallStmts());
|
---|
1742 | fCallEmitted = True;
|
---|
1743 |
|
---|
1744 | # Process branches of conditionals recursively.
|
---|
1745 | if isinstance(oStmt, iai.McStmtCond):
|
---|
1746 | (oNewStmt.aoIfBranch, fCallEmitted1) = self.morphInputCode(oStmt.aoIfBranch, fCallEmitted, cDepth + 1);
|
---|
1747 | if oStmt.aoElseBranch:
|
---|
1748 | (oNewStmt.aoElseBranch, fCallEmitted2) = self.morphInputCode(oStmt.aoElseBranch, fCallEmitted, cDepth + 1);
|
---|
1749 | else:
|
---|
1750 | fCallEmitted2 = False;
|
---|
1751 | fCallEmitted = fCallEmitted or (fCallEmitted1 and fCallEmitted2);
|
---|
1752 |
|
---|
1753 | if not fCallEmitted and cDepth == 0:
|
---|
1754 | self.raiseProblem('Unable to insert call to threaded function.');
|
---|
1755 |
|
---|
1756 | return (aoDecoderStmts, fCallEmitted);
|
---|
1757 |
|
---|
1758 |
|
---|
1759 | def generateInputCode(self):
|
---|
1760 | """
|
---|
1761 | Modifies the input code.
|
---|
1762 | """
|
---|
1763 | cchIndent = (self.oMcBlock.cchIndent + 3) // 4 * 4;
|
---|
1764 |
|
---|
1765 | if len(self.oMcBlock.aoStmts) == 1:
|
---|
1766 | # IEM_MC_DEFER_TO_CIMPL_X_RET - need to wrap in {} to make it safe to insert into random code.
|
---|
1767 | sCode = ' ' * cchIndent + 'pVCpu->iem.s.fTbCurInstr = ';
|
---|
1768 | if self.dsCImplFlags:
|
---|
1769 | sCode += ' | '.join(sorted(self.dsCImplFlags.keys())) + ';\n';
|
---|
1770 | else:
|
---|
1771 | sCode += '0;\n';
|
---|
1772 | sCode += iai.McStmt.renderCodeForList(self.morphInputCode(self.oMcBlock.aoStmts)[0],
|
---|
1773 | cchIndent = cchIndent).replace('\n', ' /* gen */\n', 1);
|
---|
1774 | sIndent = ' ' * (min(cchIndent, 2) - 2);
|
---|
1775 | sCode = sIndent + '{\n' + sCode + sIndent + '}\n';
|
---|
1776 | return sCode;
|
---|
1777 |
|
---|
1778 | # IEM_MC_BEGIN/END block
|
---|
1779 | assert len(self.oMcBlock.asLines) > 2, "asLines=%s" % (self.oMcBlock.asLines,);
|
---|
1780 | return iai.McStmt.renderCodeForList(self.morphInputCode(self.oMcBlock.aoStmts)[0],
|
---|
1781 | cchIndent = cchIndent).replace('\n', ' /* gen */\n', 1);
|
---|
1782 |
|
---|
1783 | # Short alias for ThreadedFunctionVariation.
|
---|
1784 | ThrdFnVar = ThreadedFunctionVariation;
|
---|
1785 |
|
---|
1786 |
|
---|
1787 | class IEMThreadedGenerator(object):
|
---|
1788 | """
|
---|
1789 | The threaded code generator & annotator.
|
---|
1790 | """
|
---|
1791 |
|
---|
1792 | def __init__(self):
|
---|
1793 | self.aoThreadedFuncs = [] # type: List[ThreadedFunction]
|
---|
1794 | self.oOptions = None # type: argparse.Namespace
|
---|
1795 | self.aoParsers = [] # type: List[IEMAllInstPython.SimpleParser]
|
---|
1796 | self.aidxFirstFunctions = [] # type: List[int] ##< Runs parallel to aoParser giving the index of the first function.
|
---|
1797 |
|
---|
1798 | #
|
---|
1799 | # Processing.
|
---|
1800 | #
|
---|
1801 |
|
---|
1802 | def processInputFiles(self, sHostArch, fNativeRecompilerEnabled):
|
---|
1803 | """
|
---|
1804 | Process the input files.
|
---|
1805 | """
|
---|
1806 |
|
---|
1807 | # Parse the files.
|
---|
1808 | self.aoParsers = iai.parseFiles(self.oOptions.asInFiles, sHostArch);
|
---|
1809 |
|
---|
1810 | # Create threaded functions for the MC blocks.
|
---|
1811 | self.aoThreadedFuncs = [ThreadedFunction(oMcBlock) for oMcBlock in iai.g_aoMcBlocks];
|
---|
1812 |
|
---|
1813 | # Analyze the threaded functions.
|
---|
1814 | dRawParamCounts = {};
|
---|
1815 | dMinParamCounts = {};
|
---|
1816 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
1817 | oThreadedFunction.analyze();
|
---|
1818 | for oVariation in oThreadedFunction.aoVariations:
|
---|
1819 | dRawParamCounts[len(oVariation.dParamRefs)] = dRawParamCounts.get(len(oVariation.dParamRefs), 0) + 1;
|
---|
1820 | dMinParamCounts[oVariation.cMinParams] = dMinParamCounts.get(oVariation.cMinParams, 0) + 1;
|
---|
1821 | print('debug: param count distribution, raw and optimized:', file = sys.stderr);
|
---|
1822 | for cCount in sorted({cBits: True for cBits in list(dRawParamCounts.keys()) + list(dMinParamCounts.keys())}.keys()):
|
---|
1823 | print('debug: %s params: %4s raw, %4s min'
|
---|
1824 | % (cCount, dRawParamCounts.get(cCount, 0), dMinParamCounts.get(cCount, 0)),
|
---|
1825 | file = sys.stderr);
|
---|
1826 |
|
---|
1827 | # Populate aidxFirstFunctions. This is ASSUMING that
|
---|
1828 | # g_aoMcBlocks/self.aoThreadedFuncs are in self.aoParsers order.
|
---|
1829 | iThreadedFunction = 0;
|
---|
1830 | oThreadedFunction = self.getThreadedFunctionByIndex(0);
|
---|
1831 | self.aidxFirstFunctions = [];
|
---|
1832 | for oParser in self.aoParsers:
|
---|
1833 | self.aidxFirstFunctions.append(iThreadedFunction);
|
---|
1834 |
|
---|
1835 | while oThreadedFunction.oMcBlock.sSrcFile == oParser.sSrcFile:
|
---|
1836 | iThreadedFunction += 1;
|
---|
1837 | oThreadedFunction = self.getThreadedFunctionByIndex(iThreadedFunction);
|
---|
1838 |
|
---|
1839 | # Analyze the threaded functions and their variations for native recompilation.
|
---|
1840 | if fNativeRecompilerEnabled:
|
---|
1841 | print('todo:', file = sys.stderr);
|
---|
1842 | cTotal = 0;
|
---|
1843 | cNative = 0;
|
---|
1844 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
1845 | for oVariation in oThreadedFunction.aoVariations:
|
---|
1846 | cTotal += 1;
|
---|
1847 | oVariation.oNativeRecomp = ian.analyzeVariantForNativeRecomp(oVariation, sHostArch);
|
---|
1848 | if oVariation.oNativeRecomp and oVariation.oNativeRecomp.isRecompilable():
|
---|
1849 | cNative += 1;
|
---|
1850 | print('todo: %.1f%% / %u out of %u threaded function variations are recompilable'
|
---|
1851 | % (cNative * 100.0 / cTotal, cNative, cTotal), file = sys.stderr);
|
---|
1852 | if ian.g_dUnsupportedMcStmtLastOneStats:
|
---|
1853 | asTopKeys = sorted(ian.g_dUnsupportedMcStmtLastOneStats, reverse = True,
|
---|
1854 | key = lambda sSortKey: len(ian.g_dUnsupportedMcStmtLastOneStats[sSortKey]))[:16];
|
---|
1855 | print('todo:', file = sys.stderr);
|
---|
1856 | print('todo: Top %s variations with one unsupported statement dependency:' % (len(asTopKeys),),
|
---|
1857 | file = sys.stderr);
|
---|
1858 | cchMaxKey = max([len(sKey) for sKey in asTopKeys]);
|
---|
1859 | for sKey in asTopKeys:
|
---|
1860 | print('todo: %*s = %s (%s%s)'
|
---|
1861 | % (cchMaxKey, sKey, len(ian.g_dUnsupportedMcStmtLastOneStats[sKey]),
|
---|
1862 | ', '.join([oVar.getShortName() for oVar in ian.g_dUnsupportedMcStmtLastOneStats[sKey][:5]]),
|
---|
1863 | ',...' if len(ian.g_dUnsupportedMcStmtLastOneStats[sKey]) >= 5 else '', )
|
---|
1864 | , file = sys.stderr);
|
---|
1865 |
|
---|
1866 | asTopKeys = sorted(ian.g_dUnsupportedMcStmtStats, reverse = True,
|
---|
1867 | key = lambda sSortKey: ian.g_dUnsupportedMcStmtStats[sSortKey])[:16];
|
---|
1868 | print('todo:', file = sys.stderr);
|
---|
1869 | print('todo: Top %d most used unimplemented statements:' % (len(asTopKeys),), file = sys.stderr);
|
---|
1870 | cchMaxKey = max([len(sKey) for sKey in asTopKeys]);
|
---|
1871 | for i in range(0, len(asTopKeys), 2):
|
---|
1872 | print('todo: %*s = %4d %*s = %4d'
|
---|
1873 | % ( cchMaxKey, asTopKeys[i], ian.g_dUnsupportedMcStmtStats[asTopKeys[i]],
|
---|
1874 | cchMaxKey, asTopKeys[i + 1], ian.g_dUnsupportedMcStmtStats[asTopKeys[i + 1]],),
|
---|
1875 | file = sys.stderr);
|
---|
1876 | print('todo:', file = sys.stderr);
|
---|
1877 |
|
---|
1878 | if ian.g_dUnsupportedMcStmtLastOneVarStats:
|
---|
1879 | asTopKeys = sorted(ian.g_dUnsupportedMcStmtLastOneVarStats, reverse = True,
|
---|
1880 | key = lambda sSortKey: len(ian.g_dUnsupportedMcStmtLastOneVarStats[sSortKey]))[:16];
|
---|
1881 | print('todo:', file = sys.stderr);
|
---|
1882 | print('todo: Top %s variations with variables and 1-2 unsupported statement dependency:' % (len(asTopKeys),),
|
---|
1883 | file = sys.stderr);
|
---|
1884 | cchMaxKey = max([len(sKey) for sKey in asTopKeys]);
|
---|
1885 | for sKey in asTopKeys:
|
---|
1886 | print('todo: %*s = %s (%s%s)'
|
---|
1887 | % (cchMaxKey, sKey, len(ian.g_dUnsupportedMcStmtLastOneVarStats[sKey]),
|
---|
1888 | ', '.join([oVar.getShortName() for oVar in ian.g_dUnsupportedMcStmtLastOneVarStats[sKey][:5]]),
|
---|
1889 | ',...' if len(ian.g_dUnsupportedMcStmtLastOneVarStats[sKey]) >= 5 else '', )
|
---|
1890 | , file = sys.stderr);
|
---|
1891 |
|
---|
1892 |
|
---|
1893 | # Gather arguments + variable statistics for the MC blocks.
|
---|
1894 | cMaxArgs = 0;
|
---|
1895 | cMaxVars = 0;
|
---|
1896 | cMaxVarsAndArgs = 0;
|
---|
1897 | cbMaxArgs = 0;
|
---|
1898 | cbMaxVars = 0;
|
---|
1899 | cbMaxVarsAndArgs = 0;
|
---|
1900 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
1901 | if oThreadedFunction.oMcBlock.cLocals >= 0:
|
---|
1902 | # Counts.
|
---|
1903 | assert oThreadedFunction.oMcBlock.cArgs >= 0;
|
---|
1904 | cMaxVars = max(cMaxVars, oThreadedFunction.oMcBlock.cLocals);
|
---|
1905 | cMaxArgs = max(cMaxArgs, oThreadedFunction.oMcBlock.cArgs);
|
---|
1906 | cMaxVarsAndArgs = max(cMaxVarsAndArgs, oThreadedFunction.oMcBlock.cLocals + oThreadedFunction.oMcBlock.cArgs);
|
---|
1907 | if cMaxVarsAndArgs > 9:
|
---|
1908 | raise Exception('%s potentially uses too many variables / args: %u, max 10 - %u vars and %u args'
|
---|
1909 | % (oThreadedFunction.oMcBlock.oFunction.sName, cMaxVarsAndArgs,
|
---|
1910 | oThreadedFunction.oMcBlock.cLocals, oThreadedFunction.oMcBlock.cArgs));
|
---|
1911 | # Calc stack allocation size:
|
---|
1912 | cbArgs = 0;
|
---|
1913 | for oArg in oThreadedFunction.oMcBlock.aoArgs:
|
---|
1914 | cbArgs += (getTypeBitCount(oArg.sType) + 63) // 64 * 8;
|
---|
1915 | cbVars = 0;
|
---|
1916 | for oVar in oThreadedFunction.oMcBlock.aoLocals:
|
---|
1917 | cbVars += (getTypeBitCount(oVar.sType) + 63) // 64 * 8;
|
---|
1918 | cbMaxVars = max(cbMaxVars, cbVars);
|
---|
1919 | cbMaxArgs = max(cbMaxArgs, cbArgs);
|
---|
1920 | cbMaxVarsAndArgs = max(cbMaxVarsAndArgs, cbVars + cbArgs);
|
---|
1921 | if cbMaxVarsAndArgs >= 0xc0:
|
---|
1922 | raise Exception('%s potentially uses too much stack: cbMaxVars=%#x cbMaxArgs=%#x'
|
---|
1923 | % (oThreadedFunction.oMcBlock.oFunction.sName, cbMaxVars, cbMaxArgs,));
|
---|
1924 |
|
---|
1925 | print('debug: max vars+args: %u bytes / %u; max vars: %u bytes / %u; max args: %u bytes / %u'
|
---|
1926 | % (cbMaxVarsAndArgs, cMaxVarsAndArgs, cbMaxVars, cMaxVars, cbMaxArgs, cMaxArgs,), file = sys.stderr);
|
---|
1927 |
|
---|
1928 | return True;
|
---|
1929 |
|
---|
1930 | #
|
---|
1931 | # Output
|
---|
1932 | #
|
---|
1933 |
|
---|
1934 | def generateLicenseHeader(self):
|
---|
1935 | """
|
---|
1936 | Returns the lines for a license header.
|
---|
1937 | """
|
---|
1938 | return [
|
---|
1939 | '/*',
|
---|
1940 | ' * Autogenerated by $Id: IEMAllThrdPython.py 102012 2023-11-09 02:09:51Z vboxsync $ ',
|
---|
1941 | ' * Do not edit!',
|
---|
1942 | ' */',
|
---|
1943 | '',
|
---|
1944 | '/*',
|
---|
1945 | ' * Copyright (C) 2023-' + str(datetime.date.today().year) + ' Oracle and/or its affiliates.',
|
---|
1946 | ' *',
|
---|
1947 | ' * This file is part of VirtualBox base platform packages, as',
|
---|
1948 | ' * available from https://www.virtualbox.org.',
|
---|
1949 | ' *',
|
---|
1950 | ' * This program is free software; you can redistribute it and/or',
|
---|
1951 | ' * modify it under the terms of the GNU General Public License',
|
---|
1952 | ' * as published by the Free Software Foundation, in version 3 of the',
|
---|
1953 | ' * License.',
|
---|
1954 | ' *',
|
---|
1955 | ' * This program is distributed in the hope that it will be useful, but',
|
---|
1956 | ' * WITHOUT ANY WARRANTY; without even the implied warranty of',
|
---|
1957 | ' * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU',
|
---|
1958 | ' * General Public License for more details.',
|
---|
1959 | ' *',
|
---|
1960 | ' * You should have received a copy of the GNU General Public License',
|
---|
1961 | ' * along with this program; if not, see <https://www.gnu.org/licenses>.',
|
---|
1962 | ' *',
|
---|
1963 | ' * The contents of this file may alternatively be used under the terms',
|
---|
1964 | ' * of the Common Development and Distribution License Version 1.0',
|
---|
1965 | ' * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included',
|
---|
1966 | ' * in the VirtualBox distribution, in which case the provisions of the',
|
---|
1967 | ' * CDDL are applicable instead of those of the GPL.',
|
---|
1968 | ' *',
|
---|
1969 | ' * You may elect to license modified versions of this file under the',
|
---|
1970 | ' * terms and conditions of either the GPL or the CDDL or both.',
|
---|
1971 | ' *',
|
---|
1972 | ' * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0',
|
---|
1973 | ' */',
|
---|
1974 | '',
|
---|
1975 | '',
|
---|
1976 | '',
|
---|
1977 | ];
|
---|
1978 |
|
---|
1979 | ## List of built-in threaded functions with user argument counts and
|
---|
1980 | ## whether it has a native recompiler implementation.
|
---|
1981 | katBltIns = (
|
---|
1982 | ( 'DeferToCImpl0', 2, True ),
|
---|
1983 | ( 'CheckIrq', 0, True ),
|
---|
1984 | ( 'CheckMode', 1, True ),
|
---|
1985 | ( 'CheckHwInstrBps', 0, False ),
|
---|
1986 | ( 'CheckCsLim', 1, False ),
|
---|
1987 |
|
---|
1988 | ( 'CheckCsLimAndOpcodes', 3, False ),
|
---|
1989 | ( 'CheckOpcodes', 3, False ),
|
---|
1990 | ( 'CheckOpcodesConsiderCsLim', 3, False ),
|
---|
1991 |
|
---|
1992 | ( 'CheckCsLimAndPcAndOpcodes', 3, False ),
|
---|
1993 | ( 'CheckPcAndOpcodes', 3, False ),
|
---|
1994 | ( 'CheckPcAndOpcodesConsiderCsLim', 3, False ),
|
---|
1995 |
|
---|
1996 | ( 'CheckCsLimAndOpcodesAcrossPageLoadingTlb', 3, False ),
|
---|
1997 | ( 'CheckOpcodesAcrossPageLoadingTlb', 3, False ),
|
---|
1998 | ( 'CheckOpcodesAcrossPageLoadingTlbConsiderCsLim', 2, False ),
|
---|
1999 |
|
---|
2000 | ( 'CheckCsLimAndOpcodesLoadingTlb', 3, False ),
|
---|
2001 | ( 'CheckOpcodesLoadingTlb', 3, False ),
|
---|
2002 | ( 'CheckOpcodesLoadingTlbConsiderCsLim', 3, False ),
|
---|
2003 |
|
---|
2004 | ( 'CheckCsLimAndOpcodesOnNextPageLoadingTlb', 2, False ),
|
---|
2005 | ( 'CheckOpcodesOnNextPageLoadingTlb', 2, False ),
|
---|
2006 | ( 'CheckOpcodesOnNextPageLoadingTlbConsiderCsLim', 2, False ),
|
---|
2007 |
|
---|
2008 | ( 'CheckCsLimAndOpcodesOnNewPageLoadingTlb', 2, False ),
|
---|
2009 | ( 'CheckOpcodesOnNewPageLoadingTlb', 2, False ),
|
---|
2010 | ( 'CheckOpcodesOnNewPageLoadingTlbConsiderCsLim', 2, False ),
|
---|
2011 | );
|
---|
2012 |
|
---|
2013 | def generateThreadedFunctionsHeader(self, oOut):
|
---|
2014 | """
|
---|
2015 | Generates the threaded functions header file.
|
---|
2016 | Returns success indicator.
|
---|
2017 | """
|
---|
2018 |
|
---|
2019 | asLines = self.generateLicenseHeader();
|
---|
2020 |
|
---|
2021 | # Generate the threaded function table indexes.
|
---|
2022 | asLines += [
|
---|
2023 | 'typedef enum IEMTHREADEDFUNCS',
|
---|
2024 | '{',
|
---|
2025 | ' kIemThreadedFunc_Invalid = 0,',
|
---|
2026 | '',
|
---|
2027 | ' /*',
|
---|
2028 | ' * Predefined',
|
---|
2029 | ' */',
|
---|
2030 | ];
|
---|
2031 | asLines += [' kIemThreadedFunc_BltIn_%s,' % (sFuncNm,) for sFuncNm, _, _ in self.katBltIns];
|
---|
2032 |
|
---|
2033 | iThreadedFunction = 1 + len(self.katBltIns);
|
---|
2034 | for sVariation in ThreadedFunctionVariation.kasVariationsEmitOrder:
|
---|
2035 | asLines += [
|
---|
2036 | '',
|
---|
2037 | ' /*',
|
---|
2038 | ' * Variation: ' + ThreadedFunctionVariation.kdVariationNames[sVariation] + '',
|
---|
2039 | ' */',
|
---|
2040 | ];
|
---|
2041 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
2042 | oVariation = oThreadedFunction.dVariations.get(sVariation, None);
|
---|
2043 | if oVariation:
|
---|
2044 | iThreadedFunction += 1;
|
---|
2045 | oVariation.iEnumValue = iThreadedFunction;
|
---|
2046 | asLines.append(' ' + oVariation.getIndexName() + ',');
|
---|
2047 | asLines += [
|
---|
2048 | ' kIemThreadedFunc_End',
|
---|
2049 | '} IEMTHREADEDFUNCS;',
|
---|
2050 | '',
|
---|
2051 | ];
|
---|
2052 |
|
---|
2053 | # Prototype the function table.
|
---|
2054 | asLines += [
|
---|
2055 | 'extern const PFNIEMTHREADEDFUNC g_apfnIemThreadedFunctions[kIemThreadedFunc_End];',
|
---|
2056 | '#if defined(IN_RING3) || defined(LOG_ENABLED)',
|
---|
2057 | 'extern const char * const g_apszIemThreadedFunctions[kIemThreadedFunc_End];',
|
---|
2058 | '#endif',
|
---|
2059 | 'extern uint8_t const g_acIemThreadedFunctionUsedArgs[kIemThreadedFunc_End];',
|
---|
2060 | ];
|
---|
2061 |
|
---|
2062 | oOut.write('\n'.join(asLines));
|
---|
2063 | return True;
|
---|
2064 |
|
---|
2065 | ksBitsToIntMask = {
|
---|
2066 | 1: "UINT64_C(0x1)",
|
---|
2067 | 2: "UINT64_C(0x3)",
|
---|
2068 | 4: "UINT64_C(0xf)",
|
---|
2069 | 8: "UINT64_C(0xff)",
|
---|
2070 | 16: "UINT64_C(0xffff)",
|
---|
2071 | 32: "UINT64_C(0xffffffff)",
|
---|
2072 | };
|
---|
2073 |
|
---|
2074 | def generateFunctionParameterUnpacking(self, oVariation, oOut, asParams):
|
---|
2075 | """
|
---|
2076 | Outputs code for unpacking parameters.
|
---|
2077 | This is shared by the threaded and native code generators.
|
---|
2078 | """
|
---|
2079 | aasVars = [];
|
---|
2080 | for aoRefs in oVariation.dParamRefs.values():
|
---|
2081 | oRef = aoRefs[0];
|
---|
2082 | if oRef.sType[0] != 'P':
|
---|
2083 | cBits = g_kdTypeInfo[oRef.sType][0];
|
---|
2084 | sType = g_kdTypeInfo[oRef.sType][2];
|
---|
2085 | else:
|
---|
2086 | cBits = 64;
|
---|
2087 | sType = oRef.sType;
|
---|
2088 |
|
---|
2089 | sTypeDecl = sType + ' const';
|
---|
2090 |
|
---|
2091 | if cBits == 64:
|
---|
2092 | assert oRef.offNewParam == 0;
|
---|
2093 | if sType == 'uint64_t':
|
---|
2094 | sUnpack = '%s;' % (asParams[oRef.iNewParam],);
|
---|
2095 | else:
|
---|
2096 | sUnpack = '(%s)%s;' % (sType, asParams[oRef.iNewParam],);
|
---|
2097 | elif oRef.offNewParam == 0:
|
---|
2098 | sUnpack = '(%s)(%s & %s);' % (sType, asParams[oRef.iNewParam], self.ksBitsToIntMask[cBits]);
|
---|
2099 | else:
|
---|
2100 | sUnpack = '(%s)((%s >> %s) & %s);' \
|
---|
2101 | % (sType, asParams[oRef.iNewParam], oRef.offNewParam, self.ksBitsToIntMask[cBits]);
|
---|
2102 |
|
---|
2103 | sComment = '/* %s - %s ref%s */' % (oRef.sOrgRef, len(aoRefs), 's' if len(aoRefs) != 1 else '',);
|
---|
2104 |
|
---|
2105 | aasVars.append([ '%s:%02u' % (oRef.iNewParam, oRef.offNewParam),
|
---|
2106 | sTypeDecl, oRef.sNewName, sUnpack, sComment ]);
|
---|
2107 | acchVars = [0, 0, 0, 0, 0];
|
---|
2108 | for asVar in aasVars:
|
---|
2109 | for iCol, sStr in enumerate(asVar):
|
---|
2110 | acchVars[iCol] = max(acchVars[iCol], len(sStr));
|
---|
2111 | sFmt = ' %%-%ss %%-%ss = %%-%ss %%s\n' % (acchVars[1], acchVars[2], acchVars[3]);
|
---|
2112 | for asVar in sorted(aasVars):
|
---|
2113 | oOut.write(sFmt % (asVar[1], asVar[2], asVar[3], asVar[4],));
|
---|
2114 | return True;
|
---|
2115 |
|
---|
2116 | kasThreadedParamNames = ('uParam0', 'uParam1', 'uParam2');
|
---|
2117 | def generateThreadedFunctionsSource(self, oOut):
|
---|
2118 | """
|
---|
2119 | Generates the threaded functions source file.
|
---|
2120 | Returns success indicator.
|
---|
2121 | """
|
---|
2122 |
|
---|
2123 | asLines = self.generateLicenseHeader();
|
---|
2124 | oOut.write('\n'.join(asLines));
|
---|
2125 |
|
---|
2126 | #
|
---|
2127 | # Emit the function definitions.
|
---|
2128 | #
|
---|
2129 | for sVariation in ThreadedFunctionVariation.kasVariationsEmitOrder:
|
---|
2130 | sVarName = ThreadedFunctionVariation.kdVariationNames[sVariation];
|
---|
2131 | oOut.write( '\n'
|
---|
2132 | + '\n'
|
---|
2133 | + '\n'
|
---|
2134 | + '\n'
|
---|
2135 | + '/*' + '*' * 128 + '\n'
|
---|
2136 | + '* Variation: ' + sVarName + ' ' * (129 - len(sVarName) - 15) + '*\n'
|
---|
2137 | + '*' * 128 + '*/\n');
|
---|
2138 |
|
---|
2139 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
2140 | oVariation = oThreadedFunction.dVariations.get(sVariation, None);
|
---|
2141 | if oVariation:
|
---|
2142 | oMcBlock = oThreadedFunction.oMcBlock;
|
---|
2143 |
|
---|
2144 | # Function header
|
---|
2145 | oOut.write( '\n'
|
---|
2146 | + '\n'
|
---|
2147 | + '/**\n'
|
---|
2148 | + ' * #%u: %s at line %s offset %s in %s%s\n'
|
---|
2149 | % (oVariation.iEnumValue, oMcBlock.sFunction, oMcBlock.iBeginLine, oMcBlock.offBeginLine,
|
---|
2150 | os.path.split(oMcBlock.sSrcFile)[1],
|
---|
2151 | ' (macro expansion)' if oMcBlock.iBeginLine == oMcBlock.iEndLine else '')
|
---|
2152 | + ' */\n'
|
---|
2153 | + 'static IEM_DECL_IEMTHREADEDFUNC_DEF(' + oVariation.getThreadedFunctionName() + ')\n'
|
---|
2154 | + '{\n');
|
---|
2155 |
|
---|
2156 | # Unpack parameters.
|
---|
2157 | self.generateFunctionParameterUnpacking(oVariation, oOut, self.kasThreadedParamNames);
|
---|
2158 |
|
---|
2159 | # RT_NOREF for unused parameters.
|
---|
2160 | if oVariation.cMinParams < g_kcThreadedParams:
|
---|
2161 | oOut.write(' RT_NOREF(' + ', '.join(self.kasThreadedParamNames[oVariation.cMinParams:]) + ');\n');
|
---|
2162 |
|
---|
2163 | # Now for the actual statements.
|
---|
2164 | oOut.write(iai.McStmt.renderCodeForList(oVariation.aoStmtsForThreadedFunction, cchIndent = 4));
|
---|
2165 |
|
---|
2166 | oOut.write('}\n');
|
---|
2167 |
|
---|
2168 |
|
---|
2169 | #
|
---|
2170 | # Generate the output tables in parallel.
|
---|
2171 | #
|
---|
2172 | asFuncTable = [
|
---|
2173 | '/**',
|
---|
2174 | ' * Function pointer table.',
|
---|
2175 | ' */',
|
---|
2176 | 'PFNIEMTHREADEDFUNC const g_apfnIemThreadedFunctions[kIemThreadedFunc_End] =',
|
---|
2177 | '{',
|
---|
2178 | ' /*Invalid*/ NULL,',
|
---|
2179 | ];
|
---|
2180 | asNameTable = [
|
---|
2181 | '/**',
|
---|
2182 | ' * Function name table.',
|
---|
2183 | ' */',
|
---|
2184 | 'const char * const g_apszIemThreadedFunctions[kIemThreadedFunc_End] =',
|
---|
2185 | '{',
|
---|
2186 | ' "Invalid",',
|
---|
2187 | ];
|
---|
2188 | asArgCntTab = [
|
---|
2189 | '/**',
|
---|
2190 | ' * Argument count table.',
|
---|
2191 | ' */',
|
---|
2192 | 'uint8_t const g_acIemThreadedFunctionUsedArgs[kIemThreadedFunc_End] =',
|
---|
2193 | '{',
|
---|
2194 | ' 0, /*Invalid*/',
|
---|
2195 | ];
|
---|
2196 | aasTables = (asFuncTable, asNameTable, asArgCntTab,);
|
---|
2197 |
|
---|
2198 | for asTable in aasTables:
|
---|
2199 | asTable.extend((
|
---|
2200 | '',
|
---|
2201 | ' /*',
|
---|
2202 | ' * Predefined.',
|
---|
2203 | ' */',
|
---|
2204 | ));
|
---|
2205 | for sFuncNm, cArgs, _ in self.katBltIns:
|
---|
2206 | asFuncTable.append(' iemThreadedFunc_BltIn_%s,' % (sFuncNm,));
|
---|
2207 | asNameTable.append(' "BltIn_%s",' % (sFuncNm,));
|
---|
2208 | asArgCntTab.append(' %d, /*BltIn_%s*/' % (cArgs, sFuncNm,));
|
---|
2209 |
|
---|
2210 | iThreadedFunction = 1 + len(self.katBltIns);
|
---|
2211 | for sVariation in ThreadedFunctionVariation.kasVariationsEmitOrder:
|
---|
2212 | for asTable in aasTables:
|
---|
2213 | asTable.extend((
|
---|
2214 | '',
|
---|
2215 | ' /*',
|
---|
2216 | ' * Variation: ' + ThreadedFunctionVariation.kdVariationNames[sVariation],
|
---|
2217 | ' */',
|
---|
2218 | ));
|
---|
2219 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
2220 | oVariation = oThreadedFunction.dVariations.get(sVariation, None);
|
---|
2221 | if oVariation:
|
---|
2222 | iThreadedFunction += 1;
|
---|
2223 | assert oVariation.iEnumValue == iThreadedFunction;
|
---|
2224 | sName = oVariation.getThreadedFunctionName();
|
---|
2225 | asFuncTable.append(' /*%4u*/ %s,' % (iThreadedFunction, sName,));
|
---|
2226 | asNameTable.append(' /*%4u*/ "%s",' % (iThreadedFunction, sName,));
|
---|
2227 | asArgCntTab.append(' /*%4u*/ %d, /*%s*/' % (iThreadedFunction, oVariation.cMinParams, sName,));
|
---|
2228 |
|
---|
2229 | for asTable in aasTables:
|
---|
2230 | asTable.append('};');
|
---|
2231 |
|
---|
2232 | #
|
---|
2233 | # Output the tables.
|
---|
2234 | #
|
---|
2235 | oOut.write( '\n'
|
---|
2236 | + '\n');
|
---|
2237 | oOut.write('\n'.join(asFuncTable));
|
---|
2238 | oOut.write( '\n'
|
---|
2239 | + '\n'
|
---|
2240 | + '\n'
|
---|
2241 | + '#if defined(IN_RING3) || defined(LOG_ENABLED)\n');
|
---|
2242 | oOut.write('\n'.join(asNameTable));
|
---|
2243 | oOut.write( '\n'
|
---|
2244 | + '#endif /* IN_RING3 || LOG_ENABLED */\n'
|
---|
2245 | + '\n'
|
---|
2246 | + '\n');
|
---|
2247 | oOut.write('\n'.join(asArgCntTab));
|
---|
2248 | oOut.write('\n');
|
---|
2249 |
|
---|
2250 | return True;
|
---|
2251 |
|
---|
2252 | def generateNativeFunctionsHeader(self, oOut):
|
---|
2253 | """
|
---|
2254 | Generates the native recompiler functions header file.
|
---|
2255 | Returns success indicator.
|
---|
2256 | """
|
---|
2257 | if not self.oOptions.fNativeRecompilerEnabled:
|
---|
2258 | return True;
|
---|
2259 |
|
---|
2260 | asLines = self.generateLicenseHeader();
|
---|
2261 |
|
---|
2262 | # Prototype the function table.
|
---|
2263 | asLines += [
|
---|
2264 | 'extern const PFNIEMNATIVERECOMPFUNC g_apfnIemNativeRecompileFunctions[kIemThreadedFunc_End];',
|
---|
2265 | '',
|
---|
2266 | ];
|
---|
2267 |
|
---|
2268 | oOut.write('\n'.join(asLines));
|
---|
2269 | return True;
|
---|
2270 |
|
---|
2271 | def generateNativeFunctionsSource(self, oOut):
|
---|
2272 | """
|
---|
2273 | Generates the native recompiler functions source file.
|
---|
2274 | Returns success indicator.
|
---|
2275 | """
|
---|
2276 | if not self.oOptions.fNativeRecompilerEnabled:
|
---|
2277 | return True;
|
---|
2278 |
|
---|
2279 | #
|
---|
2280 | # The file header.
|
---|
2281 | #
|
---|
2282 | oOut.write('\n'.join(self.generateLicenseHeader()));
|
---|
2283 |
|
---|
2284 | #
|
---|
2285 | # Emit the functions.
|
---|
2286 | #
|
---|
2287 | for sVariation in ThreadedFunctionVariation.kasVariationsEmitOrder:
|
---|
2288 | sVarName = ThreadedFunctionVariation.kdVariationNames[sVariation];
|
---|
2289 | oOut.write( '\n'
|
---|
2290 | + '\n'
|
---|
2291 | + '\n'
|
---|
2292 | + '\n'
|
---|
2293 | + '/*' + '*' * 128 + '\n'
|
---|
2294 | + '* Variation: ' + sVarName + ' ' * (129 - len(sVarName) - 15) + '*\n'
|
---|
2295 | + '*' * 128 + '*/\n');
|
---|
2296 |
|
---|
2297 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
2298 | oVariation = oThreadedFunction.dVariations.get(sVariation, None) # type: ThreadedFunctionVariation
|
---|
2299 | if oVariation and oVariation.oNativeRecomp and oVariation.oNativeRecomp.isRecompilable():
|
---|
2300 | oMcBlock = oThreadedFunction.oMcBlock;
|
---|
2301 |
|
---|
2302 | # Function header
|
---|
2303 | oOut.write( '\n'
|
---|
2304 | + '\n'
|
---|
2305 | + '/**\n'
|
---|
2306 | + ' * #%u: %s at line %s offset %s in %s%s\n'
|
---|
2307 | % (oVariation.iEnumValue, oMcBlock.sFunction, oMcBlock.iBeginLine, oMcBlock.offBeginLine,
|
---|
2308 | os.path.split(oMcBlock.sSrcFile)[1],
|
---|
2309 | ' (macro expansion)' if oMcBlock.iBeginLine == oMcBlock.iEndLine else '')
|
---|
2310 | + ' */\n'
|
---|
2311 | + 'static IEM_DECL_IEMNATIVERECOMPFUNC_DEF(' + oVariation.getNativeFunctionName() + ')\n'
|
---|
2312 | + '{\n');
|
---|
2313 |
|
---|
2314 | # Unpack parameters.
|
---|
2315 | self.generateFunctionParameterUnpacking(oVariation, oOut,
|
---|
2316 | ('pCallEntry->auParams[0]',
|
---|
2317 | 'pCallEntry->auParams[1]',
|
---|
2318 | 'pCallEntry->auParams[2]',));
|
---|
2319 |
|
---|
2320 | # Now for the actual statements.
|
---|
2321 | oOut.write(oVariation.oNativeRecomp.renderCode(cchIndent = 4));
|
---|
2322 |
|
---|
2323 | oOut.write('}\n');
|
---|
2324 |
|
---|
2325 | #
|
---|
2326 | # Output the function table.
|
---|
2327 | #
|
---|
2328 | oOut.write( '\n'
|
---|
2329 | + '\n'
|
---|
2330 | + '/*\n'
|
---|
2331 | + ' * Function table running parallel to g_apfnIemThreadedFunctions and friends.\n'
|
---|
2332 | + ' */\n'
|
---|
2333 | + 'const PFNIEMNATIVERECOMPFUNC g_apfnIemNativeRecompileFunctions[kIemThreadedFunc_End] =\n'
|
---|
2334 | + '{\n'
|
---|
2335 | + ' /*Invalid*/ NULL,'
|
---|
2336 | + '\n'
|
---|
2337 | + ' /*\n'
|
---|
2338 | + ' * Predefined.\n'
|
---|
2339 | + ' */\n'
|
---|
2340 | );
|
---|
2341 | for sFuncNm, _, fHaveRecompFunc in self.katBltIns:
|
---|
2342 | if fHaveRecompFunc:
|
---|
2343 | oOut.write(' iemNativeRecompFunc_BltIn_%s,\n' % (sFuncNm,))
|
---|
2344 | else:
|
---|
2345 | oOut.write(' NULL, /*BltIn_%s*/\n' % (sFuncNm,))
|
---|
2346 |
|
---|
2347 | iThreadedFunction = 1 + len(self.katBltIns);
|
---|
2348 | for sVariation in ThreadedFunctionVariation.kasVariationsEmitOrder:
|
---|
2349 | oOut.write( ' /*\n'
|
---|
2350 | + ' * Variation: ' + ThreadedFunctionVariation.kdVariationNames[sVariation] + '\n'
|
---|
2351 | + ' */\n');
|
---|
2352 | for oThreadedFunction in self.aoThreadedFuncs:
|
---|
2353 | oVariation = oThreadedFunction.dVariations.get(sVariation, None);
|
---|
2354 | if oVariation:
|
---|
2355 | iThreadedFunction += 1;
|
---|
2356 | assert oVariation.iEnumValue == iThreadedFunction;
|
---|
2357 | sName = oVariation.getNativeFunctionName();
|
---|
2358 | if oVariation.oNativeRecomp and oVariation.oNativeRecomp.isRecompilable():
|
---|
2359 | oOut.write(' /*%4u*/ %s,\n' % (iThreadedFunction, sName,));
|
---|
2360 | else:
|
---|
2361 | oOut.write(' /*%4u*/ NULL /*%s*/,\n' % (iThreadedFunction, sName,));
|
---|
2362 |
|
---|
2363 | oOut.write( '};\n'
|
---|
2364 | + '\n');
|
---|
2365 | return True;
|
---|
2366 |
|
---|
2367 |
|
---|
2368 | def getThreadedFunctionByIndex(self, idx):
|
---|
2369 | """
|
---|
2370 | Returns a ThreadedFunction object for the given index. If the index is
|
---|
2371 | out of bounds, a dummy is returned.
|
---|
2372 | """
|
---|
2373 | if idx < len(self.aoThreadedFuncs):
|
---|
2374 | return self.aoThreadedFuncs[idx];
|
---|
2375 | return ThreadedFunction.dummyInstance();
|
---|
2376 |
|
---|
2377 | def generateModifiedInput(self, oOut, idxFile):
|
---|
2378 | """
|
---|
2379 | Generates the combined modified input source/header file.
|
---|
2380 | Returns success indicator.
|
---|
2381 | """
|
---|
2382 | #
|
---|
2383 | # File header and assert assumptions.
|
---|
2384 | #
|
---|
2385 | oOut.write('\n'.join(self.generateLicenseHeader()));
|
---|
2386 | oOut.write('AssertCompile((IEM_F_MODE_X86_FLAT_OR_PRE_386_MASK | IEM_F_MODE_CPUMODE_MASK) == 7);\n');
|
---|
2387 |
|
---|
2388 | #
|
---|
2389 | # Iterate all parsers (input files) and output the ones related to the
|
---|
2390 | # file set given by idxFile.
|
---|
2391 | #
|
---|
2392 | for idxParser, oParser in enumerate(self.aoParsers): # type: int, IEMAllInstPython.SimpleParser
|
---|
2393 | # Is this included in the file set?
|
---|
2394 | sSrcBaseFile = os.path.basename(oParser.sSrcFile).lower();
|
---|
2395 | fInclude = -1;
|
---|
2396 | for aoInfo in iai.g_aaoAllInstrFilesAndDefaultMapAndSet:
|
---|
2397 | if sSrcBaseFile == aoInfo[0].lower():
|
---|
2398 | fInclude = aoInfo[2] in (-1, idxFile);
|
---|
2399 | break;
|
---|
2400 | if fInclude is not True:
|
---|
2401 | assert fInclude is False;
|
---|
2402 | continue;
|
---|
2403 |
|
---|
2404 | # Output it.
|
---|
2405 | oOut.write("\n\n/* ****** BEGIN %s ******* */\n" % (oParser.sSrcFile,));
|
---|
2406 |
|
---|
2407 | iThreadedFunction = self.aidxFirstFunctions[idxParser];
|
---|
2408 | oThreadedFunction = self.getThreadedFunctionByIndex(iThreadedFunction);
|
---|
2409 | iLine = 0;
|
---|
2410 | while iLine < len(oParser.asLines):
|
---|
2411 | sLine = oParser.asLines[iLine];
|
---|
2412 | iLine += 1; # iBeginLine and iEndLine are 1-based.
|
---|
2413 |
|
---|
2414 | # Can we pass it thru?
|
---|
2415 | if ( iLine not in [oThreadedFunction.oMcBlock.iBeginLine, oThreadedFunction.oMcBlock.iEndLine]
|
---|
2416 | or oThreadedFunction.oMcBlock.sSrcFile != oParser.sSrcFile):
|
---|
2417 | oOut.write(sLine);
|
---|
2418 | #
|
---|
2419 | # Single MC block. Just extract it and insert the replacement.
|
---|
2420 | #
|
---|
2421 | elif oThreadedFunction.oMcBlock.iBeginLine != oThreadedFunction.oMcBlock.iEndLine:
|
---|
2422 | assert ( (sLine.count('IEM_MC_') - sLine.count('IEM_MC_F_') == 1)
|
---|
2423 | or oThreadedFunction.oMcBlock.iMacroExp == iai.McBlock.kiMacroExp_Partial), 'sLine="%s"' % (sLine,);
|
---|
2424 | oOut.write(sLine[:oThreadedFunction.oMcBlock.offBeginLine]);
|
---|
2425 | sModified = oThreadedFunction.generateInputCode().strip();
|
---|
2426 | oOut.write(sModified);
|
---|
2427 |
|
---|
2428 | iLine = oThreadedFunction.oMcBlock.iEndLine;
|
---|
2429 | sLine = oParser.asLines[iLine - 1];
|
---|
2430 | assert ( sLine.count('IEM_MC_') - sLine.count('IEM_MC_F_') == 1
|
---|
2431 | or len(oThreadedFunction.oMcBlock.aoStmts) == 1
|
---|
2432 | or oThreadedFunction.oMcBlock.iMacroExp == iai.McBlock.kiMacroExp_Partial);
|
---|
2433 | oOut.write(sLine[oThreadedFunction.oMcBlock.offAfterEnd : ]);
|
---|
2434 |
|
---|
2435 | # Advance
|
---|
2436 | iThreadedFunction += 1;
|
---|
2437 | oThreadedFunction = self.getThreadedFunctionByIndex(iThreadedFunction);
|
---|
2438 | #
|
---|
2439 | # Macro expansion line that have sublines and may contain multiple MC blocks.
|
---|
2440 | #
|
---|
2441 | else:
|
---|
2442 | offLine = 0;
|
---|
2443 | while iLine == oThreadedFunction.oMcBlock.iBeginLine:
|
---|
2444 | oOut.write(sLine[offLine : oThreadedFunction.oMcBlock.offBeginLine]);
|
---|
2445 |
|
---|
2446 | sModified = oThreadedFunction.generateInputCode().strip();
|
---|
2447 | assert ( sModified.startswith('IEM_MC_BEGIN')
|
---|
2448 | or (sModified.find('IEM_MC_DEFER_TO_CIMPL_') > 0 and sModified.strip().startswith('{\n'))
|
---|
2449 | or sModified.startswith('pVCpu->iem.s.fEndTb = true')
|
---|
2450 | or sModified.startswith('pVCpu->iem.s.fTbCurInstr = ')
|
---|
2451 | ), 'sModified="%s"' % (sModified,);
|
---|
2452 | oOut.write(sModified);
|
---|
2453 |
|
---|
2454 | offLine = oThreadedFunction.oMcBlock.offAfterEnd;
|
---|
2455 |
|
---|
2456 | # Advance
|
---|
2457 | iThreadedFunction += 1;
|
---|
2458 | oThreadedFunction = self.getThreadedFunctionByIndex(iThreadedFunction);
|
---|
2459 |
|
---|
2460 | # Last line segment.
|
---|
2461 | if offLine < len(sLine):
|
---|
2462 | oOut.write(sLine[offLine : ]);
|
---|
2463 |
|
---|
2464 | oOut.write("/* ****** END %s ******* */\n" % (oParser.sSrcFile,));
|
---|
2465 |
|
---|
2466 | return True;
|
---|
2467 |
|
---|
2468 | def generateModifiedInput1(self, oOut):
|
---|
2469 | """
|
---|
2470 | Generates the combined modified input source/header file, part 1.
|
---|
2471 | Returns success indicator.
|
---|
2472 | """
|
---|
2473 | return self.generateModifiedInput(oOut, 1);
|
---|
2474 |
|
---|
2475 | def generateModifiedInput2(self, oOut):
|
---|
2476 | """
|
---|
2477 | Generates the combined modified input source/header file, part 2.
|
---|
2478 | Returns success indicator.
|
---|
2479 | """
|
---|
2480 | return self.generateModifiedInput(oOut, 2);
|
---|
2481 |
|
---|
2482 | def generateModifiedInput3(self, oOut):
|
---|
2483 | """
|
---|
2484 | Generates the combined modified input source/header file, part 3.
|
---|
2485 | Returns success indicator.
|
---|
2486 | """
|
---|
2487 | return self.generateModifiedInput(oOut, 3);
|
---|
2488 |
|
---|
2489 | def generateModifiedInput4(self, oOut):
|
---|
2490 | """
|
---|
2491 | Generates the combined modified input source/header file, part 4.
|
---|
2492 | Returns success indicator.
|
---|
2493 | """
|
---|
2494 | return self.generateModifiedInput(oOut, 4);
|
---|
2495 |
|
---|
2496 |
|
---|
2497 | #
|
---|
2498 | # Main
|
---|
2499 | #
|
---|
2500 |
|
---|
2501 | def main(self, asArgs):
|
---|
2502 | """
|
---|
2503 | C-like main function.
|
---|
2504 | Returns exit code.
|
---|
2505 | """
|
---|
2506 |
|
---|
2507 | #
|
---|
2508 | # Parse arguments
|
---|
2509 | #
|
---|
2510 | sScriptDir = os.path.dirname(__file__);
|
---|
2511 | oParser = argparse.ArgumentParser(add_help = False);
|
---|
2512 | oParser.add_argument('asInFiles',
|
---|
2513 | metavar = 'input.cpp.h',
|
---|
2514 | nargs = '*',
|
---|
2515 | default = [os.path.join(sScriptDir, aoInfo[0])
|
---|
2516 | for aoInfo in iai.g_aaoAllInstrFilesAndDefaultMapAndSet],
|
---|
2517 | help = "Selection of VMMAll/IEMAllInst*.cpp.h files to use as input.");
|
---|
2518 | oParser.add_argument('--host-arch',
|
---|
2519 | metavar = 'arch',
|
---|
2520 | dest = 'sHostArch',
|
---|
2521 | action = 'store',
|
---|
2522 | default = None,
|
---|
2523 | help = 'The host architecture.');
|
---|
2524 |
|
---|
2525 | oParser.add_argument('--out-thrd-funcs-hdr',
|
---|
2526 | metavar = 'file-thrd-funcs.h',
|
---|
2527 | dest = 'sOutFileThrdFuncsHdr',
|
---|
2528 | action = 'store',
|
---|
2529 | default = '-',
|
---|
2530 | help = 'The output header file for the threaded functions.');
|
---|
2531 | oParser.add_argument('--out-thrd-funcs-cpp',
|
---|
2532 | metavar = 'file-thrd-funcs.cpp',
|
---|
2533 | dest = 'sOutFileThrdFuncsCpp',
|
---|
2534 | action = 'store',
|
---|
2535 | default = '-',
|
---|
2536 | help = 'The output C++ file for the threaded functions.');
|
---|
2537 | oParser.add_argument('--out-n8ve-funcs-hdr',
|
---|
2538 | metavar = 'file-n8tv-funcs.h',
|
---|
2539 | dest = 'sOutFileN8veFuncsHdr',
|
---|
2540 | action = 'store',
|
---|
2541 | default = '-',
|
---|
2542 | help = 'The output header file for the native recompiler functions.');
|
---|
2543 | oParser.add_argument('--out-n8ve-funcs-cpp',
|
---|
2544 | metavar = 'file-n8tv-funcs.cpp',
|
---|
2545 | dest = 'sOutFileN8veFuncsCpp',
|
---|
2546 | action = 'store',
|
---|
2547 | default = '-',
|
---|
2548 | help = 'The output C++ file for the native recompiler functions.');
|
---|
2549 | oParser.add_argument('--native',
|
---|
2550 | dest = 'fNativeRecompilerEnabled',
|
---|
2551 | action = 'store_true',
|
---|
2552 | default = False,
|
---|
2553 | help = 'Enables generating the files related to native recompilation.');
|
---|
2554 | oParser.add_argument('--out-mod-input1',
|
---|
2555 | metavar = 'file-instr.cpp.h',
|
---|
2556 | dest = 'sOutFileModInput1',
|
---|
2557 | action = 'store',
|
---|
2558 | default = '-',
|
---|
2559 | help = 'The output C++/header file for modified input instruction files part 1.');
|
---|
2560 | oParser.add_argument('--out-mod-input2',
|
---|
2561 | metavar = 'file-instr.cpp.h',
|
---|
2562 | dest = 'sOutFileModInput2',
|
---|
2563 | action = 'store',
|
---|
2564 | default = '-',
|
---|
2565 | help = 'The output C++/header file for modified input instruction files part 2.');
|
---|
2566 | oParser.add_argument('--out-mod-input3',
|
---|
2567 | metavar = 'file-instr.cpp.h',
|
---|
2568 | dest = 'sOutFileModInput3',
|
---|
2569 | action = 'store',
|
---|
2570 | default = '-',
|
---|
2571 | help = 'The output C++/header file for modified input instruction files part 3.');
|
---|
2572 | oParser.add_argument('--out-mod-input4',
|
---|
2573 | metavar = 'file-instr.cpp.h',
|
---|
2574 | dest = 'sOutFileModInput4',
|
---|
2575 | action = 'store',
|
---|
2576 | default = '-',
|
---|
2577 | help = 'The output C++/header file for modified input instruction files part 4.');
|
---|
2578 | oParser.add_argument('--help', '-h', '-?',
|
---|
2579 | action = 'help',
|
---|
2580 | help = 'Display help and exit.');
|
---|
2581 | oParser.add_argument('--version', '-V',
|
---|
2582 | action = 'version',
|
---|
2583 | version = 'r%s (IEMAllThreadedPython.py), r%s (IEMAllInstPython.py)'
|
---|
2584 | % (__version__.split()[1], iai.__version__.split()[1],),
|
---|
2585 | help = 'Displays the version/revision of the script and exit.');
|
---|
2586 | self.oOptions = oParser.parse_args(asArgs[1:]);
|
---|
2587 | print("oOptions=%s" % (self.oOptions,), file = sys.stderr);
|
---|
2588 |
|
---|
2589 | #
|
---|
2590 | # Process the instructions specified in the IEM sources.
|
---|
2591 | #
|
---|
2592 | if self.processInputFiles(self.oOptions.sHostArch, self.oOptions.fNativeRecompilerEnabled):
|
---|
2593 | #
|
---|
2594 | # Generate the output files.
|
---|
2595 | #
|
---|
2596 | aaoOutputFiles = (
|
---|
2597 | ( self.oOptions.sOutFileThrdFuncsHdr, self.generateThreadedFunctionsHeader ),
|
---|
2598 | ( self.oOptions.sOutFileThrdFuncsCpp, self.generateThreadedFunctionsSource ),
|
---|
2599 | ( self.oOptions.sOutFileN8veFuncsHdr, self.generateNativeFunctionsHeader ),
|
---|
2600 | ( self.oOptions.sOutFileN8veFuncsCpp, self.generateNativeFunctionsSource ),
|
---|
2601 | ( self.oOptions.sOutFileModInput1, self.generateModifiedInput1 ),
|
---|
2602 | ( self.oOptions.sOutFileModInput2, self.generateModifiedInput2 ),
|
---|
2603 | ( self.oOptions.sOutFileModInput3, self.generateModifiedInput3 ),
|
---|
2604 | ( self.oOptions.sOutFileModInput4, self.generateModifiedInput4 ),
|
---|
2605 | );
|
---|
2606 | fRc = True;
|
---|
2607 | for sOutFile, fnGenMethod in aaoOutputFiles:
|
---|
2608 | if sOutFile == '-':
|
---|
2609 | fRc = fnGenMethod(sys.stdout) and fRc;
|
---|
2610 | else:
|
---|
2611 | try:
|
---|
2612 | oOut = open(sOutFile, 'w'); # pylint: disable=consider-using-with,unspecified-encoding
|
---|
2613 | except Exception as oXcpt:
|
---|
2614 | print('error! Failed open "%s" for writing: %s' % (sOutFile, oXcpt,), file = sys.stderr);
|
---|
2615 | return 1;
|
---|
2616 | fRc = fnGenMethod(oOut) and fRc;
|
---|
2617 | oOut.close();
|
---|
2618 | if fRc:
|
---|
2619 | return 0;
|
---|
2620 |
|
---|
2621 | return 1;
|
---|
2622 |
|
---|
2623 |
|
---|
2624 | if __name__ == '__main__':
|
---|
2625 | sys.exit(IEMThreadedGenerator().main(sys.argv));
|
---|
2626 |
|
---|