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Definition at line 204 of file mmfault.c. Referenced by KiDataAbortHandler(), KiPageFaultHandler(), KiTrap0EHandler(), MiMakeSystemAddressValid(), MiMakeSystemAddressValidPfn(), and MmProbeAndLockPages(). {
PMEMORY_AREA MemoryArea = NULL;
/* Cute little hack for ROS */
if ((ULONG_PTR)Address >= (ULONG_PTR)MmSystemRangeStart)
{
#ifdef _M_IX86
/* Check for an invalid page directory in kernel mode */
if (Mmi386MakeKernelPageTableGlobal(Address))
{
/* All is well with the world */
return STATUS_SUCCESS;
}
#endif
}
/* Is there a ReactOS address space yet? */
if (MmGetKernelAddressSpace())
{
/* Check if this is an ARM3 memory area */
MemoryArea = MmLocateMemoryAreaByAddress(MmGetKernelAddressSpace(), Address);
if (!(MemoryArea) && (Address <= MM_HIGHEST_USER_ADDRESS))
{
/* Could this be a VAD fault from user-mode? */
MemoryArea = MmLocateMemoryAreaByAddress(MmGetCurrentAddressSpace(), Address);
}
}
/* Is this an ARM3 memory area, or is there no address space yet? */
if (((MemoryArea) && (MemoryArea->Type == MEMORY_AREA_OWNED_BY_ARM3)) ||
(!(MemoryArea) && ((ULONG_PTR)Address >= (ULONG_PTR)MmPagedPoolStart)) ||
(!MmGetKernelAddressSpace()))
{
/* This is an ARM3 fault */
DPRINT("ARM3 fault %p\n", MemoryArea);
return MmArmAccessFault(StoreInstruction, Address, Mode, TrapInformation);
}
/* Keep same old ReactOS Behaviour */
if (StoreInstruction)
{
/* Call access fault */
return MmpAccessFault(Mode, (ULONG_PTR)Address, TrapInformation ? FALSE : TRUE);
}
else
{
/* Call not present */
return MmNotPresentFault(Mode, (ULONG_PTR)Address, TrapInformation ? FALSE : TRUE);
}
}
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