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[BOOTLIB]: Finish implementing Mmx86pMapMemoryRegions.

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svn path=/trunk/; revision=73741
This commit is contained in:
Alex Ionescu 2017-02-07 03:34:49 +00:00
parent 6e9b30c86a
commit 3c9397513f
1 changed files with 57 additions and 3 deletions
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60
reactos/boot/environ/lib/mm/i386/mmx86.c
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@ -677,6 +677,8 @@ Mmx86pMapMemoryRegions (
ULONGLONG Size;
NTSTATUS Status;
PVOID VirtualAddress;
BL_MEMORY_DESCRIPTOR_LIST FirmwareMdl;
PLIST_ENTRY Head, NextEntry;
/* In phase 1 we don't initialize deferred mappings*/
if (Phase == 1)
@ -756,10 +758,59 @@ Mmx86pMapMemoryRegions (
/* In phase 1, also do UEFI mappings */
if (Phase != 2)
{
EfiPrintf(L"Phase 1 TODO UEFI mappings \r\n");
/* Get the memory map */
MmMdInitializeListHead(&FirmwareMdl);
Status = MmFwGetMemoryMap(&FirmwareMdl, BL_MM_FLAG_REQUEST_COALESCING);
if (!NT_SUCCESS(Status))
{
return Status;
}
/* Iterate over it */
Head = FirmwareMdl.First;
NextEntry = Head->Flink;
while (NextEntry != Head)
{
/* Check if this is a UEFI-related descriptor, unless it's the self-map page */
Descriptor = CONTAINING_RECORD(NextEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
if (((Descriptor->Type == BlEfiBootMemory) ||
(Descriptor->Type == BlEfiRuntimeMemory) ||
(Descriptor->Type == BlLoaderMemory)) &&
((Descriptor->BasePage << PAGE_SHIFT) != Mmx86SelfMapBase.QuadPart))
{
/* Identity-map it */
PhysicalAddress.QuadPart = Descriptor->BasePage << PAGE_SHIFT;
Status = Mmx86MapInitStructure((PVOID)((ULONG_PTR)Descriptor->BasePage << PAGE_SHIFT),
Descriptor->PageCount << PAGE_SHIFT,
PhysicalAddress);
if (!NT_SUCCESS(Status))
{
return Status;
}
}
/* Move to the next descriptor */
NextEntry = NextEntry->Flink;
}
/* Reset */
NextEntry = Head->Flink;
while (NextEntry != Head)
{
/* Get the descriptor */
Descriptor = CONTAINING_RECORD(NextEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
/* Skip to the next entry before we free */
NextEntry = NextEntry->Flink;
/* Remove and free it */
MmMdRemoveDescriptorFromList(&FirmwareMdl, Descriptor);
MmMdFreeDescriptor(Descriptor);
}
}
return STATUS_NOT_IMPLEMENTED;
/* All library mappings identity mapped now */
return STATUS_SUCCESS;
}
NTSTATUS
@ -1114,14 +1165,17 @@ MmArchInitialize (
case BlPae:
/* We don't support PAE */
Status = STATUS_NOT_SUPPORTED;
break;
default:
/* Invalid architecture type*/
Status = STATUS_INVALID_PARAMETER;
break;
}
/* Back to caller */
return Status;
}