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[FAST486]

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The 80486 doesn't have any time stamp counter (TSC) at all.


svn path=/branches/ntvdm/; revision=60710
This commit is contained in:
Aleksandar Andrejevic 2013-10-19 18:28:27 +00:00
parent d3bc33ee5d
commit ca7d21eff4
3 changed files with 5 additions and 11 deletions
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1
include/reactos/libs/fast486/fast486.h
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@ -335,7 +335,6 @@ struct _FAST486_STATE
FAST486_REG InstPtr, SavedInstPtr;
FAST486_FLAGS_REG Flags;
FAST486_TABLE_REG Gdtr, Idtr, Ldtr, Tss;
ULONGLONG TimeStampCounter;
ULONG ControlRegisters[FAST486_NUM_CTRL_REGS];
ULONG DebugRegisters[FAST486_NUM_DBG_REGS];
ULONG ExceptionCount;

6
lib/fast486/extraops.c
View file

@ -86,9 +86,9 @@ Fast486ExtendedHandlers[FAST486_NUM_OPCODE_HANDLERS] =
NULL, // Invalid
NULL, // Invalid
NULL, // Invalid
NULL, // TODO: OPCODE 0x30 NOT IMPLEMENTED
NULL, // TODO: OPCODE 0x31 NOT IMPLEMENTED
NULL, // TODO: OPCODE 0x32 NOT IMPLEMENTED
NULL, // Invalid
NULL, // Invalid
NULL, // Invalid
NULL, // Invalid
NULL, // Invalid
NULL, // Invalid

9
lib/fast486/fast486.c
View file

@ -107,9 +107,6 @@ Fast486ExecutionControl(PFAST486_STATE State, INT Command)
/* This is a prefix, go to the next instruction immediately */
continue;
}
/* Increment the time stamp counter */
State->TimeStampCounter++;
}
while ((Command == FAST486_CONTINUE)
|| (Command == FAST486_STEP_OVER && ProcedureCallCount > 0)
@ -155,12 +152,10 @@ VOID
NTAPI
Fast486DumpState(PFAST486_STATE State)
{
DPRINT1("\nCPU currently executing in %s mode at %04X:%08X\n"
"Time Stamp Counter = %016X\n",
DPRINT1("\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,
State->TimeStampCounter);
State->InstPtr.Long);
DPRINT1("\nGeneral purpose registers:\n"
"EAX = %08X\tECX = %08X\tEDX = %08X\tEBX = %08X\n"
"ESP = %08X\tEBP = %08X\tESI = %08X\tEDI = %08X\n",