arch/x86/isa.cc

48     HandyM5Reg m5reg = 0;
50         m5reg.mode = LongMode;
52             m5reg.submode = SixtyFourBitMode;
54             m5reg.submode = CompatabilityMode;
56         m5reg.mode = LegacyMode;
59                 m5reg.submode = Virtual8086Mode;
61                 m5reg.submode = ProtectedMode;
63             m5reg.submode = RealMode;
66     m5reg.cpl = csAttr.dpl;
67     m5reg.paging = cr0.pg;
68     m5reg.prot = cr0.pe;
71     if (m5reg.submode == SixtyFourBitMode || csAttr.defaultSize) {
72         m5reg.defOp = 2;
73         m5reg.altOp = 1;
75         m5reg.defOp = 1;
76         m5reg.altOp = 2;
80     if (m5reg.submode == SixtyFourBitMode) {
81         m5reg.defAddr = 3;
82         m5reg.altAddr = 2;
84         m5reg.defAddr = 2;
85         m5reg.altAddr = 1;
87         m5reg.defAddr = 1;
88         m5reg.altAddr = 2;
92     if (m5reg.submode == SixtyFourBitMode) {
93         m5reg.stack = 3;
95         m5reg.stack = 2;
97         m5reg.stack = 1;
100     regVal[MISCREG_M5_REG] = m5reg;
102         tc->getDecoderPtr()->setM5Reg(m5reg);
381         // Writing anything to the m5reg with side effects makes it update