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[NTOSKRNL]

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- Correctly show the amount of available memory in the serial debug log. Patch by Hermès Bélusca (2/2)
CORE-6635 #comment Committed. Thanks. #resolve

svn path=/trunk/; revision=57333
This commit is contained in:
Thomas Faber 2012-09-19 06:54:42 +00:00
parent dc04f8a013
commit c31b441d5c
1 changed files with 50 additions and 1 deletions
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51
reactos/ntoskrnl/kd/kdio.c
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@ -43,6 +43,55 @@ volatile ULONG KdbDmesgTotalWritten = 0;
KSPIN_LOCK KdpDmesgLogSpinLock;
volatile BOOLEAN KdbpIsInDmesgMode = FALSE;
/* UTILITY FUNCTIONS *********************************************************/
/*
* Get the total size of the memory before
* Mm is initialized, by counting the number
* of physical pages. Useful for debug logging.
*
* Strongly inspired by:
* mm\ARM3\mminit.c : MiScanMemoryDescriptors(...)
*/
SIZE_T
NTAPI
KdpGetMemorySizeInMBs(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
PLIST_ENTRY ListEntry;
PMEMORY_ALLOCATION_DESCRIPTOR Descriptor;
SIZE_T NumberOfPhysicalPages = 0;
/* Loop the memory descriptors */
for (ListEntry = LoaderBlock->MemoryDescriptorListHead.Flink;
ListEntry != &LoaderBlock->MemoryDescriptorListHead;
ListEntry = ListEntry->Flink)
{
/* Get the descriptor */
Descriptor = CONTAINING_RECORD(ListEntry,
MEMORY_ALLOCATION_DESCRIPTOR,
ListEntry);
/* Check if this is invisible memory */
if ((Descriptor->MemoryType == LoaderFirmwarePermanent) ||
(Descriptor->MemoryType == LoaderSpecialMemory) ||
(Descriptor->MemoryType == LoaderHALCachedMemory) ||
(Descriptor->MemoryType == LoaderBBTMemory))
{
/* Skip this descriptor */
continue;
}
/* Check if this is bad memory */
if (Descriptor->MemoryType != LoaderBad)
{
/* Count this in the total of pages */
NumberOfPhysicalPages += Descriptor->PageCount;
}
}
return NumberOfPhysicalPages * PAGE_SIZE / 1024 / 1024;
}
/* FILE DEBUG LOG FUNCTIONS **************************************************/
VOID
@ -325,7 +374,7 @@ KdpSerialInit(PKD_DISPATCH_TABLE DispatchTable,
/* Display separator + ReactOS version at start of the debug log */
DPRINT1("-----------------------------------------------------\n");
DPRINT1("ReactOS "KERNEL_VERSION_STR" (Build "KERNEL_VERSION_BUILD_STR")\n");
MemSizeMBs = MmNumberOfPhysicalPages * PAGE_SIZE / 1024 / 1024;
MemSizeMBs = KdpGetMemorySizeInMBs(KeLoaderBlock);
DPRINT1("%u System Processor [%u MB Memory]\n", KeNumberProcessors, MemSizeMBs);
DPRINT1("Command Line: %s\n", KeLoaderBlock->LoadOptions);
DPRINT1("ARC Paths: %s %s %s %s\n", KeLoaderBlock->ArcBootDeviceName,