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- Implement one more hack to obtain LaskKrnlPhysAddr (not really a solution for reactos, since ntldr allows kernel+drivers+hal to not be continuous in memory), when booting via ntldr/winldr.

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svn path=/trunk/; revision=32216
This commit is contained in:
Aleksey Bragin 2008-02-08 13:11:01 +00:00
parent 822f692add
commit 62b9a5ba19
1 changed files with 24 additions and 1 deletions
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25
reactos/ntoskrnl/mm/mminit.c
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@ -319,8 +319,31 @@ MmInit1(ULONG_PTR FirstKrnlPhysAddr,
/* Get the addresses */
FirstKrnlPhysAddr = (ULONG_PTR)LdrEntry->DllBase - KSEG0_BASE;
}
/* FIXME: How do we get the last address? */
/* Get the last kernel address */
if (!LastKrnlPhysAddr)
{
PLIST_ENTRY NextEntry;
PMEMORY_ALLOCATION_DESCRIPTOR Md;
for (NextEntry = KeLoaderBlock->MemoryDescriptorListHead.Flink;
NextEntry != &KeLoaderBlock->MemoryDescriptorListHead;
NextEntry = NextEntry->Flink)
{
Md = CONTAINING_RECORD(NextEntry, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
if (Md->MemoryType == LoaderBootDriver ||
Md->MemoryType == LoaderSystemCode ||
Md->MemoryType == LoaderHalCode)
{
if (Md->BasePage+Md->PageCount > LastKrnlPhysAddr)
LastKrnlPhysAddr = Md->BasePage+Md->PageCount;
}
}
/* Convert to a physical address */
LastKrnlPhysAddr = LastKrnlPhysAddr << PAGE_SHIFT;
LastKernelAddress = LastKrnlPhysAddr | KSEG0_BASE;
}
/* Set memory limits */