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Implement initial memory manager infrastructure #24

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harraiken wants to merge 169 commits from memmgr into master
pull from: memmgr
merge into: xt-sys:master
Conversation 0 Commits 169 Files Changed 64 +9 -1
1 changed files with 9 additions and 1 deletions
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Showing only changes of commit 28f49dd545 - Show all commits

10
boot/xtldr/arch/amd64/memory.cc
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@@ -44,6 +44,14 @@ Memory::BuildPageMap(IN PXTBL_PAGE_MAPPING PageMap,
return Status; return Status;
} }
/* Add new memory mapping for the page map itself */
Status = MapVirtualMemory(PageMap, (PVOID)(UINT_PTR)Address, (PVOID)(UINT_PTR)Address, 1, LoaderMemoryData);
if(Status != STATUS_EFI_SUCCESS)
{
/* Memory mapping failure */
return Status;
}
/* Assign and zero-fill memory used by page mappings */ /* Assign and zero-fill memory used by page mappings */
PageMap->PtePointer = (PVOID)(UINT_PTR)Address; PageMap->PtePointer = (PVOID)(UINT_PTR)Address;
RTL::Memory::ZeroMemory(PageMap->PtePointer, EFI_PAGE_SIZE); RTL::Memory::ZeroMemory(PageMap->PtePointer, EFI_PAGE_SIZE);
@@ -193,7 +201,7 @@ Memory::GetNextPageTable(IN PXTBL_PAGE_MAPPING PageMap,
} }
/* Add new memory mapping */ /* Add new memory mapping */
Status = MapVirtualMemory(PageMap, NULLPTR, (PVOID)(UINT_PTR)Address, 1, LoaderMemoryData); Status = MapVirtualMemory(PageMap, (PVOID)(UINT_PTR)Address, (PVOID)(UINT_PTR)Address, 1, LoaderMemoryData);
if(Status != STATUS_EFI_SUCCESS) if(Status != STATUS_EFI_SUCCESS)
{ {
/* Memory mapping failure */ /* Memory mapping failure */