1 files changed, 99 insertions, 0 deletions
diff --git a/src/arch/x86/insts/microregop.cc b/src/arch/x86/insts/microregop.cc
index 481d9f0ad..3c60d7212 100644
--- a/src/arch/x86/insts/microregop.cc
+++ b/src/arch/x86/insts/microregop.cc
@@ -56,10 +56,109 @@
  */
 
 #include "arch/x86/insts/microregop.hh"
+#include "arch/x86/miscregs.hh"
+#include "base/condcodes.hh"
 #include <string>
 
 namespace X86ISA
 {
+    uint64_t RegOpBase::genFlags(uint64_t oldFlags, uint64_t flagMask,
+            uint64_t _dest, uint64_t _src1, uint64_t _src2) const
+    {
+        uint64_t flags = oldFlags & ~flagMask;
+        if(flagMask & CFBit && findCarry(dataSize, _dest, _src1, _src2))
+            flags |= CFBit;
+        if(flagMask & PFBit && findParity(dataSize, _dest))
+            flags |= PFBit;
+        if(flagMask & ECFBit && findCarry(dataSize, _dest, _src1, _src2))
+            flags |= ECFBit;
+        if(flagMask & AFBit && findCarry(4, _dest, _src1, _src2))
+            flags |= AFBit;
+        if(flagMask & EZFBit && findZero(dataSize, _dest))
+            flags |= EZFBit;
+        if(flagMask & ZFBit && findZero(dataSize, _dest))
+            flags |= ZFBit;
+        if(flagMask & SFBit && findNegative(dataSize, _dest))
+            flags |= SFBit;
+        if(flagMask & OFBit && findOverflow(dataSize, _dest, _src1, _src2))
+            flags |= OFBit;
+        return flags;
+    }
+
+    bool RegOpBase::checkCondition(uint64_t flags) const
+    {
+        CCFlagBits ccflags = flags;
+        switch(ext)
+        {
+          case ConditionTests::True:
+            return true;
+          case ConditionTests::ECF:
+            return ccflags.ECF;
+          case ConditionTests::EZF:
+            return ccflags.EZF;
+          case ConditionTests::SZnZF:
+            return !(!ccflags.EZF & ccflags.ZF);
+          case ConditionTests::MSTRZ:
+            panic("This condition is not implemented!");
+          case ConditionTests::STRZ:
+            panic("This condition is not implemented!");
+          case ConditionTests::MSTRC:
+            panic("This condition is not implemented!");
+          case ConditionTests::STRZnZF:
+            panic("This condition is not implemented!");
+          case ConditionTests::OF:
+            return ccflags.OF;
+          case ConditionTests::CF:
+            return ccflags.CF;
+          case ConditionTests::ZF:
+            return ccflags.ZF;
+          case ConditionTests::CvZF:
+            return ccflags.CF | ccflags.ZF;
+          case ConditionTests::SF:
+            return ccflags.SF;
+          case ConditionTests::PF:
+            return ccflags.PF;
+          case ConditionTests::SxOF:
+            return ccflags.SF ^ ccflags.OF;
+          case ConditionTests::SxOvZF:
+            return ccflags.SF ^ ccflags.OF | ccflags.ZF;
+          case ConditionTests::False:
+            return false;
+          case ConditionTests::NotECF:
+            return !ccflags.ECF;
+          case ConditionTests::NotEZF:
+            return !ccflags.EZF;
+          case ConditionTests::NotSZnZF:
+            return !ccflags.EZF & ccflags.ZF;
+          case ConditionTests::NotMSTRZ:
+            panic("This condition is not implemented!");
+          case ConditionTests::NotSTRZ:
+            panic("This condition is not implemented!");
+          case ConditionTests::NotMSTRC:
+            panic("This condition is not implemented!");
+          case ConditionTests::NotSTRZnZF:
+            panic("This condition is not implemented!");
+          case ConditionTests::NotOF:
+            return !ccflags.OF;
+          case ConditionTests::NotCF:
+            return !ccflags.CF;
+          case ConditionTests::NotZF:
+            return !ccflags.ZF;
+          case ConditionTests::NotCvZF:
+            return !(ccflags.CF | ccflags.ZF);
+          case ConditionTests::NotSF:
+            return !ccflags.SF;
+          case ConditionTests::NotPF:
+            return !ccflags.PF;
+          case ConditionTests::NotSxOF:
+            return !(ccflags.SF ^ ccflags.OF);
+          case ConditionTests::NotSxOvZF:
+            return !(ccflags.SF ^ ccflags.OF | ccflags.ZF);
+        }
+        panic("Unknown condition: %d\n", ext);
+        return true;
+    }
+
     std::string RegOp::generateDisassembly(Addr pc,
             const SymbolTable *symtab) const
     {