/* PRIVATE FUNCTIONS **********************************************************/
-static
-inline
VOID
NTAPI
Fast486ExecutionControl(PFAST486_STATE State, FAST486_EXEC_CMD Command)
/* Main execution loop */
do
{
+NextInst:
/* Check if this is a new instruction */
if (State->PrefixFlags == 0) State->SavedInstPtr = State->InstPtr;
CurrentHandler(State, Opcode);
/* If this is a prefix, go to the next instruction immediately */
- if (CurrentHandler == Fast486OpcodePrefix) continue;
+ if (CurrentHandler == Fast486OpcodePrefix) goto NextInst;
/* A non-prefix opcode has been executed, reset the prefix flags */
State->PrefixFlags = 0;
State->IntStatus = FAST486_INT_EXECUTE;
}
}
- while ((CurrentHandler == Fast486OpcodePrefix) ||
- (Command == FAST486_CONTINUE) ||
+ while ((Command == FAST486_CONTINUE) ||
(Command == FAST486_STEP_OVER && ProcedureCallCount > 0) ||
(Command == FAST486_STEP_OUT && ProcedureCallCount >= 0));
}
State->Tlb = Tlb;
}
-VOID
-NTAPI
-Fast486DumpState(PFAST486_STATE State)
-{
- DbgPrint("\nFast486DumpState -->\n");
- DbgPrint("\nCPU currently executing in %s mode at %04X:%08X\n",
- (State->ControlRegisters[0] & FAST486_CR0_PE) ? "protected" : "real",
- State->SegmentRegs[FAST486_REG_CS].Selector,
- State->InstPtr.Long);
- DbgPrint("\nGeneral purpose registers:\n"
- "EAX = %08X\tECX = %08X\tEDX = %08X\tEBX = %08X\n"
- "ESP = %08X\tEBP = %08X\tESI = %08X\tEDI = %08X\n",
- State->GeneralRegs[FAST486_REG_EAX].Long,
- State->GeneralRegs[FAST486_REG_ECX].Long,
- State->GeneralRegs[FAST486_REG_EDX].Long,
- State->GeneralRegs[FAST486_REG_EBX].Long,
- State->GeneralRegs[FAST486_REG_ESP].Long,
- State->GeneralRegs[FAST486_REG_EBP].Long,
- State->GeneralRegs[FAST486_REG_ESI].Long,
- State->GeneralRegs[FAST486_REG_EDI].Long);
- DbgPrint("\nSegment registers:\n"
- "ES = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
- "CS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
- "SS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
- "DS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
- "FS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n"
- "GS = %04X (Base: %08X, Limit: %08X, Dpl: %u)\n",
- State->SegmentRegs[FAST486_REG_ES].Selector,
- State->SegmentRegs[FAST486_REG_ES].Base,
- State->SegmentRegs[FAST486_REG_ES].Limit,
- State->SegmentRegs[FAST486_REG_ES].Dpl,
- State->SegmentRegs[FAST486_REG_CS].Selector,
- State->SegmentRegs[FAST486_REG_CS].Base,
- State->SegmentRegs[FAST486_REG_CS].Limit,
- State->SegmentRegs[FAST486_REG_CS].Dpl,
- State->SegmentRegs[FAST486_REG_SS].Selector,
- State->SegmentRegs[FAST486_REG_SS].Base,
- State->SegmentRegs[FAST486_REG_SS].Limit,
- State->SegmentRegs[FAST486_REG_SS].Dpl,
- State->SegmentRegs[FAST486_REG_DS].Selector,
- State->SegmentRegs[FAST486_REG_DS].Base,
- State->SegmentRegs[FAST486_REG_DS].Limit,
- State->SegmentRegs[FAST486_REG_DS].Dpl,
- State->SegmentRegs[FAST486_REG_FS].Selector,
- State->SegmentRegs[FAST486_REG_FS].Base,
- State->SegmentRegs[FAST486_REG_FS].Limit,
- State->SegmentRegs[FAST486_REG_FS].Dpl,
- State->SegmentRegs[FAST486_REG_GS].Selector,
- State->SegmentRegs[FAST486_REG_GS].Base,
- State->SegmentRegs[FAST486_REG_GS].Limit,
- State->SegmentRegs[FAST486_REG_GS].Dpl);
- DbgPrint("\nFlags: %08X (%s %s %s %s %s %s %s %s %s %s %s %s %s) Iopl: %u\n",
- State->Flags.Long,
- State->Flags.Cf ? "CF" : "cf",
- State->Flags.Pf ? "PF" : "pf",
- State->Flags.Af ? "AF" : "af",
- State->Flags.Zf ? "ZF" : "zf",
- State->Flags.Sf ? "SF" : "sf",
- State->Flags.Tf ? "TF" : "tf",
- State->Flags.If ? "IF" : "if",
- State->Flags.Df ? "DF" : "df",
- State->Flags.Of ? "OF" : "of",
- State->Flags.Nt ? "NT" : "nt",
- State->Flags.Rf ? "RF" : "rf",
- State->Flags.Vm ? "VM" : "vm",
- State->Flags.Ac ? "AC" : "ac",
- State->Flags.Iopl);
- DbgPrint("\nControl Registers:\n"
- "CR0 = %08X\tCR2 = %08X\tCR3 = %08X\n",
- State->ControlRegisters[FAST486_REG_CR0],
- State->ControlRegisters[FAST486_REG_CR2],
- State->ControlRegisters[FAST486_REG_CR3]);
- DbgPrint("\nDebug Registers:\n"
- "DR0 = %08X\tDR1 = %08X\tDR2 = %08X\n"
- "DR3 = %08X\tDR4 = %08X\tDR5 = %08X\n",
- State->DebugRegisters[FAST486_REG_DR0],
- State->DebugRegisters[FAST486_REG_DR1],
- State->DebugRegisters[FAST486_REG_DR2],
- State->DebugRegisters[FAST486_REG_DR3],
- State->DebugRegisters[FAST486_REG_DR4],
- State->DebugRegisters[FAST486_REG_DR5]);
-
-#ifndef FAST486_NO_FPU
- DbgPrint("\nFPU Registers:\n"
- "ST0 = %04X%016llX\tST1 = %04X%016llX\n"
- "ST2 = %04X%016llX\tST3 = %04X%016llX\n"
- "ST4 = %04X%016llX\tST5 = %04X%016llX\n"
- "ST6 = %04X%016llX\tST7 = %04X%016llX\n"
- "Status: %04X\tControl: %04X\tTag: %04X\n",
- FPU_ST(0).Exponent | ((USHORT)FPU_ST(0).Sign << 15),
- FPU_ST(0).Mantissa,
- FPU_ST(1).Exponent | ((USHORT)FPU_ST(1).Sign << 15),
- FPU_ST(1).Mantissa,
- FPU_ST(2).Exponent | ((USHORT)FPU_ST(2).Sign << 15),
- FPU_ST(2).Mantissa,
- FPU_ST(3).Exponent | ((USHORT)FPU_ST(3).Sign << 15),
- FPU_ST(3).Mantissa,
- FPU_ST(4).Exponent | ((USHORT)FPU_ST(4).Sign << 15),
- FPU_ST(4).Mantissa,
- FPU_ST(5).Exponent | ((USHORT)FPU_ST(5).Sign << 15),
- FPU_ST(5).Mantissa,
- FPU_ST(6).Exponent | ((USHORT)FPU_ST(6).Sign << 15),
- FPU_ST(6).Mantissa,
- FPU_ST(7).Exponent | ((USHORT)FPU_ST(7).Sign << 15),
- FPU_ST(7).Mantissa,
- State->FpuStatus,
- State->FpuControl,
- State->FpuTag);
-#endif
-
- DbgPrint("\n<-- Fast486DumpState\n\n");
-}
-
-VOID
-NTAPI
-Fast486Continue(PFAST486_STATE State)
-{
- /* Call the internal function */
- Fast486ExecutionControl(State, FAST486_CONTINUE);
-}
-
-VOID
-NTAPI
-Fast486StepInto(PFAST486_STATE State)
-{
- /* Call the internal function */
- Fast486ExecutionControl(State, FAST486_STEP_INTO);
-}
-
-VOID
-NTAPI
-Fast486StepOver(PFAST486_STATE State)
-{
- /* Call the internal function */
- Fast486ExecutionControl(State, FAST486_STEP_OVER);
-}
-
-VOID
-NTAPI
-Fast486StepOut(PFAST486_STATE State)
-{
- /* Call the internal function */
- Fast486ExecutionControl(State, FAST486_STEP_OUT);
-}
-
VOID
NTAPI
Fast486Interrupt(PFAST486_STATE State, UCHAR Number)
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