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Add an MM api to get the memory map from Freeldr's memory manager (as opposed to MachGetMemoryMap which gets architecture-specfic memory map returned by BIOS/firmware/etc).

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Currently this api is unused, it's going to be used by windows/reactos bootloader in future.

svn path=/trunk/; revision=24224
This commit is contained in:
Aleksey Bragin 2006-09-21 17:25:41 +00:00
parent 7d1faef9ee
commit 2a0160473e
2 changed files with 10 additions and 0 deletions
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1
reactos/boot/freeldr/freeldr/include/mm.h
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@ -86,6 +86,7 @@ VOID MmUpdateLastFreePageHint(PVOID PageLookupTable, ULONG TotalPageCount); // S
BOOLEAN MmAreMemoryPagesAvailable(PVOID PageLookupTable, ULONG TotalPageCount, PVOID PageAddress, ULONG PageCount); // Returns TRUE if the specified pages of memory are available, otherwise FALSE
ULONG GetSystemMemorySize(VOID); // Returns the amount of total memory in the system
PPAGE_LOOKUP_TABLE_ITEM MmGetMemoryMap(ULONG *NoEntries); // Returns a pointer to the memory mapping table and a number of entries in it
//BOOLEAN MmInitializeMemoryManager(ULONG LowMemoryStart, ULONG LowMemoryLength);

9
reactos/boot/freeldr/freeldr/mm/mm.c
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@ -456,3 +456,12 @@ ULONG GetSystemMemorySize(VOID)
{
return (TotalPagesInLookupTable * MM_PAGE_SIZE);
}
PPAGE_LOOKUP_TABLE_ITEM MmGetMemoryMap(ULONG *NoEntries)
{
PPAGE_LOOKUP_TABLE_ITEM RealPageLookupTable = (PPAGE_LOOKUP_TABLE_ITEM)PageLookupTableAddress;
*NoEntries = TotalPagesInLookupTable;
return RealPageLookupTable;
}