[ion] 69045: [BOOTMGFW]: - Start implementing the page allocator. Right now, we are able to obtain & dump the UEFI memory map.
6 Sep
2015
6 Sep
'15
4:53 a.m.
Author: ion
Date: Sun Sep 6 04:53:49 2015
New Revision: 69045
URL: http://svn.reactos.org/svn/reactos?rev=69045&view=rev
Log:
[BOOTMGFW]:
- Start implementing the page allocator. Right now, we are able to obtain & dump the
UEFI memory map.
Modified:
trunk/reactos/boot/environ/include/bl.h
trunk/reactos/boot/environ/lib/bootlib.c
trunk/reactos/boot/environ/lib/firmware/efi/firmware.c
trunk/reactos/boot/environ/lib/mm/descriptor.c
trunk/reactos/boot/environ/lib/mm/pagealloc.c
Modified: trunk/reactos/boot/environ/include/bl.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/include/bl.h?…
==============================================================================
--- trunk/reactos/boot/environ/include/bl.h [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/include/bl.h [iso-8859-1] Sun Sep 6 04:53:49 2015
@@ -51,6 +51,13 @@
#define BL_CONTEXT_PAGING_ON 1
#define BL_CONTEXT_INTERRUPTS_ON 2
+
+#define BL_MM_FLAG_USE_FIRMWARE_FOR_MEMORY_MAP_BUFFERS 0x01
+#define BL_MM_FLAG_UNKNOWN 0x02
+
+#define BL_LIBRARY_FLAG_REINITIALIZE 0x02
+#define BL_LIBRARY_FLAG_REINITIALIZE_ALL 0x04
+#define BL_LIBRARY_FLAG_INITIALIZATION_COMPLETED 0x20
/* ENUMERATIONS **************************************************************/
@@ -152,6 +159,19 @@
BlPalMemory = 0xF000000C,
} BL_MEMORY_TYPE;
+typedef enum _BL_MEMORY_ATTR
+{
+ BlMemoryUncached = 1,
+ BlMemoryWriteCombined = 2,
+ BlMemoryWriteThrough = 4,
+ BlMemoryWriteBack = 8,
+ BlMemoryUncachedExported = 0x10,
+ BlMemoryWriteProtected = 0x100,
+ BlMemoryReadProtected = 0x200,
+ BlMemoryExecuteProtected = 0x400,
+ BlMemoryRuntime = 0x1000000
+} BL_MEMORY_ATTR;
+
/* DATA STRUCTURES ***********************************************************/
typedef struct _BL_LIBRARY_PARAMETERS
@@ -357,6 +377,14 @@
BL_TRANSLATION_TYPE TranslationType;
ULONG ContextFlags;
} BL_ARCH_CONTEXT, *PBL_ARCH_CONTEXT;
+
+typedef struct _BL_MEMORY_DESCRIPTOR_LIST
+{
+ LIST_ENTRY ListHead;
+ PLIST_ENTRY First;
+ PLIST_ENTRY This;
+ ULONG Type;
+} BL_MEMORY_DESCRIPTOR_LIST, *PBL_MEMORY_DESCRIPTOR_LIST;
/* INLINE ROUTINES ***********************************************************/
@@ -382,6 +410,18 @@
RtlCopyMemory(LibraryParameters, &DefaultParameters,
sizeof(*LibraryParameters));
}
+FORCEINLINE
+VOID
+MmMdInitializeListHead (
+ _In_ PBL_MEMORY_DESCRIPTOR_LIST List
+ )
+{
+ /* Initialize the list */
+ InitializeListHead(&List->ListHead);
+ List->First = &List->ListHead;
+ List->This = NULL;
+}
+
/* INITIALIZATION ROUTINES ***************************************************/
NTSTATUS
@@ -461,12 +501,24 @@
_In_ ULONG HeapAttributes
);
-NTSTATUS
+VOID
MmMdInitialize (
_In_ ULONG Phase,
_In_ PBL_LIBRARY_PARAMETERS LibraryParameters
);
+NTSTATUS
+MmFwGetMemoryMap (
+ _Out_ PBL_MEMORY_DESCRIPTOR_LIST MemoryMap,
+ _In_ ULONG Flags
+ );
+
+VOID
+MmMdFreeList(
+ _In_ PBL_MEMORY_DESCRIPTOR_LIST MdList
+ );
+
+extern ULONG MmDescriptorCallTreeCount;
extern ULONG BlpApplicationFlags;
extern BL_LIBRARY_PARAMETERS BlpLibraryParameters;
extern BL_TRANSLATION_TYPE MmTranslationType;
Modified: trunk/reactos/boot/environ/lib/bootlib.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/bootlib.c…
==============================================================================
--- trunk/reactos/boot/environ/lib/bootlib.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/bootlib.c [iso-8859-1] Sun Sep 6 04:53:49 2015
@@ -165,11 +165,11 @@
NTSTATUS Status;
/* Are we re-initializing the library? */
- if (LibraryParameters->LibraryFlags & 2)
+ if (LibraryParameters->LibraryFlags & BL_LIBRARY_FLAG_REINITIALIZE)
{
/* From scratch? */
BlpLibraryParameters = *LibraryParameters;
- if (LibraryParameters->LibraryFlags & 4)
+ if (LibraryParameters->LibraryFlags & BL_LIBRARY_FLAG_REINITIALIZE_ALL)
{
#if 0
/* Initialize all the core modules again */
Modified: trunk/reactos/boot/environ/lib/firmware/efi/firmware.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/firmware/…
==============================================================================
--- trunk/reactos/boot/environ/lib/firmware/efi/firmware.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/firmware/efi/firmware.c [iso-8859-1] Sun Sep 6
04:53:49 2015
@@ -152,6 +152,437 @@
}
NTSTATUS
+EfiGetMemoryMap (
+ _Out_ UINTN* MemoryMapSize,
+ _Inout_ EFI_MEMORY_DESCRIPTOR *MemoryMap,
+ _Out_ UINTN* MapKey,
+ _Out_ UINTN* DescriptorSize,
+ _Out_ UINTN* DescriptorVersion
+ )
+{
+ BL_ARCH_MODE OldMode;
+ EFI_STATUS EfiStatus;
+
+ /* Are we in protected mode? */
+ OldMode = CurrentExecutionContext->Mode;
+ if (OldMode != BlRealMode)
+ {
+ /* FIXME: Not yet implemented */
+ return STATUS_NOT_IMPLEMENTED;
+ }
+
+ /* Make the EFI call */
+ EfiStatus = EfiBS->GetMemoryMap(MemoryMapSize,
+ MemoryMap,
+ MapKey,
+ DescriptorSize,
+ DescriptorVersion);
+
+ /* Switch back to protected mode if we came from there */
+ if (OldMode != BlRealMode)
+ {
+ BlpArchSwitchContext(OldMode);
+ }
+
+ /* Convert the error to an NTSTATUS */
+ return EfiGetNtStatusCode(EfiStatus);
+}
+
+NTSTATUS
+EfiFreePages (
+ _In_ ULONG Pages,
+ _In_ EFI_PHYSICAL_ADDRESS PhysicalAddress
+ )
+{
+ BL_ARCH_MODE OldMode;
+ EFI_STATUS EfiStatus;
+
+ /* Are we in protected mode? */
+ OldMode = CurrentExecutionContext->Mode;
+ if (OldMode != BlRealMode)
+ {
+ /* FIXME: Not yet implemented */
+ return STATUS_NOT_IMPLEMENTED;
+ }
+
+ /* Make the EFI call */
+ EfiStatus = EfiBS->FreePages(PhysicalAddress, Pages);
+
+ /* Switch back to protected mode if we came from there */
+ if (OldMode != BlRealMode)
+ {
+ BlpArchSwitchContext(OldMode);
+ }
+
+ /* Convert the error to an NTSTATUS */
+ return EfiGetNtStatusCode(EfiStatus);
+}
+
+NTSTATUS
+EfiAllocatePages (
+ _In_ ULONG Type,
+ _In_ ULONG Pages,
+ _Inout_ EFI_PHYSICAL_ADDRESS* Memory
+ )
+{
+ BL_ARCH_MODE OldMode;
+ EFI_STATUS EfiStatus;
+
+ /* Are we in protected mode? */
+ OldMode = CurrentExecutionContext->Mode;
+ if (OldMode != BlRealMode)
+ {
+ /* FIXME: Not yet implemented */
+ return STATUS_NOT_IMPLEMENTED;
+ }
+
+ /* Make the EFI call */
+ EfiStatus = EfiBS->AllocatePages(Type, EfiLoaderData, Pages, Memory);
+
+ /* Switch back to protected mode if we came from there */
+ if (OldMode != BlRealMode)
+ {
+ BlpArchSwitchContext(OldMode);
+ }
+
+ /* Convert the error to an NTSTATUS */
+ return EfiGetNtStatusCode(EfiStatus);
+}
+
+BL_MEMORY_ATTR
+MmFwpGetOsAttributeType (
+ _In_ ULONGLONG Attribute
+ )
+{
+ BL_MEMORY_ATTR OsAttribute = 0;
+
+ if (Attribute & EFI_MEMORY_UC)
+ {
+ OsAttribute = BlMemoryUncached;
+ }
+
+ if (Attribute & EFI_MEMORY_WC)
+ {
+ OsAttribute |= BlMemoryWriteCombined;
+ }
+
+ if (Attribute & EFI_MEMORY_WT)
+ {
+ OsAttribute |= BlMemoryWriteThrough;
+ }
+
+ if (Attribute & EFI_MEMORY_WB)
+ {
+ OsAttribute |= BlMemoryWriteBack;
+ }
+
+ if (Attribute & EFI_MEMORY_UCE)
+ {
+ OsAttribute |= BlMemoryUncachedExported;
+ }
+
+ if (Attribute & EFI_MEMORY_WP)
+ {
+ OsAttribute |= BlMemoryWriteProtected;
+ }
+
+ if (Attribute & EFI_MEMORY_RP)
+ {
+ OsAttribute |= BlMemoryReadProtected;
+ }
+
+ if (Attribute & EFI_MEMORY_XP)
+ {
+ OsAttribute |= BlMemoryExecuteProtected;
+ }
+
+ if (Attribute & EFI_MEMORY_RUNTIME)
+ {
+ OsAttribute |= BlMemoryRuntime;
+ }
+
+ return OsAttribute;
+}
+
+BL_MEMORY_TYPE
+MmFwpGetOsMemoryType (
+ _In_ EFI_MEMORY_TYPE MemoryType
+ )
+{
+ BL_MEMORY_TYPE OsType;
+
+ switch (MemoryType)
+ {
+ case EfiLoaderCode:
+ case EfiLoaderData:
+ OsType = BlLoaderMemory;
+ break;
+
+ case EfiBootServicesCode:
+ case EfiBootServicesData:
+ OsType = BlEfiBootMemory;
+ break;
+
+ case EfiRuntimeServicesCode:
+ case EfiRuntimeServicesData:
+ OsType = BlEfiRuntimeMemory;
+ break;
+
+ case EfiConventionalMemory:
+ OsType = BlConventionalMemory;
+ break;
+
+ case EfiUnusableMemory:
+ OsType = BlUnusableMemory;
+ break;
+
+ case EfiACPIReclaimMemory:
+ OsType = BlAcpiReclaimMemory;
+ break;
+
+ case EfiACPIMemoryNVS:
+ OsType = BlAcpiNvsMemory;
+ break;
+
+ case EfiMemoryMappedIO:
+ OsType = BlDeviceIoMemory;
+ break;
+
+ case EfiMemoryMappedIOPortSpace:
+ OsType = BlDevicePortMemory;
+ break;
+
+ case EfiPalCode:
+ OsType = BlPalMemory;
+ break;
+
+ default:
+ OsType = BlReservedMemory;
+ break;
+ }
+
+ return OsType;
+}
+
+NTSTATUS
+MmFwGetMemoryMap (
+ _Out_ PBL_MEMORY_DESCRIPTOR_LIST MemoryMap,
+ _In_ ULONG Flags
+ )
+{
+ BL_LIBRARY_PARAMETERS LibraryParameters = BlpLibraryParameters;
+ BOOLEAN UseEfiBuffer;
+ NTSTATUS Status;
+ ULONGLONG Pages, StartPage, EndPage;
+ UINTN EfiMemoryMapSize, MapKey, DescriptorSize, DescriptorVersion;
+ EFI_PHYSICAL_ADDRESS EfiBuffer;
+ EFI_MEMORY_DESCRIPTOR* EfiMemoryMap;
+ EFI_STATUS EfiStatus;
+ BL_ARCH_MODE OldMode;
+ EFI_MEMORY_DESCRIPTOR EfiDescriptor;
+ BL_MEMORY_TYPE MemoryType;
+
+ /* Increment the nesting depth */
+ MmDescriptorCallTreeCount++;
+
+ /* Determine if we should use EFI or our own allocator at this point */
+ UseEfiBuffer = Flags & BL_MM_FLAG_USE_FIRMWARE_FOR_MEMORY_MAP_BUFFERS;
+ if (!(LibraryParameters.LibraryFlags &
BL_LIBRARY_FLAG_INITIALIZATION_COMPLETED))
+ {
+ UseEfiBuffer = TRUE;
+ }
+
+ /* Bail out if we don't have a list to use */
+ if (MemoryMap == NULL)
+ {
+ Status = STATUS_INVALID_PARAMETER;
+ goto Quickie;
+ }
+
+ /* Free the current descriptor list */
+ MmMdFreeList(MemoryMap);
+
+ /* Call into EFI to get the size of the memory map */
+ Status = EfiGetMemoryMap(&EfiMemoryMapSize,
+ NULL,
+ &MapKey,
+ &DescriptorSize,
+ &DescriptorVersion);
+ if (Status != STATUS_BUFFER_TOO_SMALL)
+ {
+ /* This should've failed because our buffer was too small, nothing else */
+ EarlyPrint(L"Got strange EFI status for memory map: %lx\n", Status);
+ if (NT_SUCCESS(Status))
+ {
+ Status = STATUS_UNSUCCESSFUL;
+ }
+ goto Quickie;
+ }
+
+ /* Add 4 more descriptors just in case things changed */
+ EfiMemoryMapSize += (4 * DescriptorSize);
+ Pages = BYTES_TO_PAGES(EfiMemoryMapSize);
+ EarlyPrint(L"Memory map size: %lx bytes, %d pages\n", EfiMemoryMapSize,
Pages);
+
+ /* Should we use EFI to grab memory? */
+ if (UseEfiBuffer)
+ {
+ /* Yes -- request one more page to align up correctly */
+ Pages++;
+
+ /* Grab the required pages */
+ Status = EfiAllocatePages(AllocateAnyPages,
+ Pages,
+ &EfiBuffer);
+ if (!NT_SUCCESS(Status))
+ {
+ EarlyPrint(L"EFI allocation failed: %lx\n", Status);
+ goto Quickie;
+ }
+
+ /* Free the pages for now */
+ Status = EfiFreePages(Pages, EfiBuffer);
+ if (!NT_SUCCESS(Status))
+ {
+ EfiBuffer = 0;
+ goto Quickie;
+ }
+
+ /* Now round to the actual buffer size, removing the extra page */
+ EfiBuffer = ROUND_TO_PAGES(EfiBuffer);
+ Pages--;
+ Status = EfiAllocatePages(AllocateAddress,
+ Pages,
+ &EfiBuffer);
+ if (!NT_SUCCESS(Status))
+ {
+ EfiBuffer = 0;
+ goto Quickie;
+ }
+
+ /* Get the final aligned size and proper buffer */
+ EfiMemoryMapSize = EFI_PAGES_TO_SIZE(Pages);
+ EfiMemoryMap = (EFI_MEMORY_DESCRIPTOR*)(ULONG_PTR)EfiBuffer;
+
+ /* Switch to real mode if not already in it */
+ OldMode = CurrentExecutionContext->Mode;
+ if (OldMode != BlRealMode)
+ {
+ BlpArchSwitchContext(BlRealMode);
+ }
+
+ /* Call EFI to get the memory map */
+ EfiStatus = EfiBS->GetMemoryMap(&EfiMemoryMapSize,
+ EfiMemoryMap,
+ &MapKey,
+ &DescriptorSize,
+ &DescriptorVersion);
+
+ /* Switch back into the previous mode */
+ if (OldMode != BlRealMode)
+ {
+ BlpArchSwitchContext(OldMode);
+ }
+
+ /* Convert the result code */
+ Status = EfiGetNtStatusCode(EfiStatus);
+ }
+ else
+ {
+ /* We don't support this path yet */
+ Status = STATUS_NOT_IMPLEMENTED;
+ }
+
+ /* So far so good? */
+ if (!NT_SUCCESS(Status))
+ {
+ EarlyPrint(L"Failed to get EFI memory map: %lx\n", Status);
+ goto Quickie;
+ }
+
+ /* Did we get correct data from firmware? */
+ if (((EfiMemoryMapSize % DescriptorSize)) ||
+ (DescriptorSize < sizeof(EFI_MEMORY_DESCRIPTOR)))
+ {
+ EarlyPrint(L"Incorrect descriptor size\n");
+ Status = STATUS_UNSUCCESSFUL;
+ goto Quickie;
+ }
+
+ /* Loop the EFI memory map */
+ EarlyPrint(L"UEFI MEMORY MAP\n\n");
+ EarlyPrint(L"TYPE START END
ATTRIBUTES\n");
+
EarlyPrint(L"===============================================================\n");
+ while (EfiMemoryMapSize != 0)
+ {
+ /* Check if this is an EFI buffer, but we're not in real mode */
+ if ((UseEfiBuffer) && (OldMode != BlRealMode))
+ {
+ BlpArchSwitchContext(BlRealMode);
+ }
+
+ /* Capture it so we can go back to protected mode (if possible) */
+ EfiDescriptor = *EfiMemoryMap;
+
+ /* Go back to protected mode, if we had switched */
+ if ((UseEfiBuffer) && (OldMode != BlRealMode))
+ {
+ BlpArchSwitchContext(OldMode);
+ }
+
+ /* Convert to OS memory type */
+ MemoryType = MmFwpGetOsMemoryType(EfiDescriptor.Type);
+
+ /* Round up or round down depending on where the memory is coming from */
+ if (MemoryType == BlConventionalMemory)
+ {
+ StartPage = BYTES_TO_PAGES(EfiDescriptor.PhysicalStart);
+ }
+ else
+ {
+ StartPage = EfiDescriptor.PhysicalStart >> PAGE_SHIFT;
+ }
+
+ /* Calculate the ending page */
+ EndPage = StartPage + EfiDescriptor.NumberOfPages;
+
+ /* If after rounding, we ended up with 0 pages, skip this */
+ if (StartPage == EndPage)
+ {
+ goto LoopAgain;
+ }
+
+ EarlyPrint(L"%08X 0x%016I64X-0x%016I64X 0x%X\n",
+ MemoryType,
+ StartPage << PAGE_SHIFT,
+ EndPage << PAGE_SHIFT,
+ EfiDescriptor.Attribute);
+
+ /* Consume this descriptor, and move to the next one */
+LoopAgain:
+ EfiMemoryMapSize -= DescriptorSize;
+ EfiMemoryMap = (PVOID)((ULONG_PTR)EfiMemoryMap + DescriptorSize);
+ }
+
+Quickie:
+ /* Free the EFI buffer, if we had one */
+ if (EfiBuffer != 0)
+ {
+ EfiFreePages(Pages, EfiBuffer);
+ }
+
+ /* On failure, free the memory map if one was passed in */
+ if (!NT_SUCCESS(Status) && (MemoryMap != NULL))
+ {
+ MmMdFreeList(MemoryMap);
+ }
+
+ /* Decrement the nesting depth and return */
+ MmDescriptorCallTreeCount--;
+ return Status;
+}
+
+NTSTATUS
BlpFwInitialize (
_In_ ULONG Phase,
_In_ PBL_FIRMWARE_DESCRIPTOR FirmwareData
Modified: trunk/reactos/boot/environ/lib/mm/descriptor.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/mm/descri…
==============================================================================
--- trunk/reactos/boot/environ/lib/mm/descriptor.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/mm/descriptor.c [iso-8859-1] Sun Sep 6 04:53:49 2015
@@ -12,15 +12,128 @@
/* DATA VARIABLES ************************************************************/
+BL_MEMORY_DESCRIPTOR MmStaticMemoryDescriptors[512];
+ULONG MmGlobalMemoryDescriptorCount;
+PBL_MEMORY_DESCRIPTOR MmGlobalMemoryDescriptors;
+BOOLEAN MmGlobalMemoryDescriptorsUsed;
+PBL_MEMORY_DESCRIPTOR MmDynamicMemoryDescriptors;
+ULONG MmDynamicMemoryDescriptorCount;
/* FUNCTIONS *****************************************************************/
+VOID
+MmMdpSwitchToDynamicDescriptors (
+ _In_ ULONG Count
+ )
+{
+ EarlyPrint(L"NOT SUPPORTED!!!\n");
+ while (1);
+}
+
NTSTATUS
+MmMdFreeDescriptor (
+ _In_ PBL_MEMORY_DESCRIPTOR MemoryDescriptor
+ )
+{
+ NTSTATUS Status;
+
+ /* Check if this is a valid static descriptor */
+ if (((MmDynamicMemoryDescriptors) &&
+ (MemoryDescriptor >= MmDynamicMemoryDescriptors) &&
+ (MemoryDescriptor < (MmDynamicMemoryDescriptors +
MmDynamicMemoryDescriptorCount))) ||
+ ((MemoryDescriptor >= MmStaticMemoryDescriptors) && (MemoryDescriptor
< &MmStaticMemoryDescriptors[511])))
+ {
+ /* It's a global/static descriptor, so just zero it */
+ RtlZeroMemory(MemoryDescriptor, sizeof(BL_MEMORY_DESCRIPTOR));
+ Status = STATUS_SUCCESS;
+ }
+ else
+ {
+ /* It's a dynamic descriptor, so free it */
+ EarlyPrint(L"Dynamic descriptors not yet supported\n");
+ Status = STATUS_NOT_IMPLEMENTED;
+ }
+
+ /* Done */
+ return Status;
+}
+
+VOID
+MmMdpSaveCurrentListPointer (
+ _In_ PBL_MEMORY_DESCRIPTOR_LIST MdList,
+ _In_ PLIST_ENTRY Current
+ )
+{
+ /* Make sure that this is not a global descriptor and not the first one */
+ if (((Current < &MmGlobalMemoryDescriptors->ListEntry) ||
+ (Current >=
&MmGlobalMemoryDescriptors[MmGlobalMemoryDescriptorCount].ListEntry)) &&
+ (Current != MdList->First))
+ {
+ /* Save this as the current pointer */
+ MdList->This = Current;
+ }
+}
+
+VOID
+MmMdRemoveDescriptorFromList (
+ _In_ PBL_MEMORY_DESCRIPTOR_LIST MdList,
+ _In_ PBL_MEMORY_DESCRIPTOR Entry
+ )
+{
+ /* Remove the entry */
+ RemoveEntryList(&Entry->ListEntry);
+
+ /* Check if this was the current link */
+ if (MdList->This == &Entry->ListEntry)
+ {
+ /* Remove the current link and set the next one */
+ MdList->This = NULL;
+ MmMdpSaveCurrentListPointer(MdList, Entry->ListEntry.Blink);
+ }
+}
+
+VOID
+MmMdFreeList(
+ _In_ PBL_MEMORY_DESCRIPTOR_LIST MdList
+ )
+{
+ PLIST_ENTRY FirstEntry, NextEntry;
+ PBL_MEMORY_DESCRIPTOR Entry;
+
+ /* Go over every descriptor from the top */
+ FirstEntry = MdList->First;
+ NextEntry = FirstEntry->Flink;
+ while (NextEntry != FirstEntry)
+ {
+ /* Remove and free each one */
+ Entry = CONTAINING_RECORD(NextEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
+ NextEntry = NextEntry->Flink;
+ MmMdRemoveDescriptorFromList(MdList, Entry);
+ MmMdFreeDescriptor(Entry);
+ }
+}
+
+VOID
MmMdInitialize (
_In_ ULONG Phase,
_In_ PBL_LIBRARY_PARAMETERS LibraryParameters
)
{
- EarlyPrint(L"Md init\n");
- return STATUS_NOT_IMPLEMENTED;
+ /* Are we in phase 1? */
+ if (Phase != 0)
+ {
+ /* Switch to dynamic descriptors if we have too many */
+ if (LibraryParameters->DescriptorCount >
RTL_NUMBER_OF(MmStaticMemoryDescriptors))
+ {
+ MmMdpSwitchToDynamicDescriptors(LibraryParameters->DescriptorCount);
+ }
+ }
+ else
+ {
+ /* In phase 0, start with a pool of 512 static descriptors */
+ MmGlobalMemoryDescriptorCount = RTL_NUMBER_OF(MmStaticMemoryDescriptors);
+ MmGlobalMemoryDescriptors = MmStaticMemoryDescriptors;
+ RtlZeroMemory(MmStaticMemoryDescriptors, sizeof(MmStaticMemoryDescriptors));
+ MmGlobalMemoryDescriptorsUsed = FALSE;
+ }
}
Modified: trunk/reactos/boot/environ/lib/mm/pagealloc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/mm/pageal…
==============================================================================
--- trunk/reactos/boot/environ/lib/mm/pagealloc.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/mm/pagealloc.c [iso-8859-1] Sun Sep 6 04:53:49 2015
@@ -12,14 +12,61 @@
/* DATA VARIABLES ************************************************************/
+ULONGLONG PapMaximumPhysicalPage, PapMinimumPhysicalPage;
+
+ULONG PapMinimumAllocationCount;
+
+BL_MEMORY_DESCRIPTOR_LIST MmMdlMappedAllocated;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlMappedUnallocated;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlFwAllocationTracker;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlUnmappedAllocated;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlUnmappedUnallocated;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlReservedAllocated;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlBadMemory;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlTruncatedMemory;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlPersistentMemory;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlCompleteBadMemory;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlFreeVirtual;
+BL_MEMORY_DESCRIPTOR_LIST MmMdlMappingTrackers;
/* FUNCTIONS *****************************************************************/
NTSTATUS
MmPaInitialize (
- _In_ PBL_MEMORY_DATA MemoryData,
- _In_ ULONG MinimumPages
+ __in PBL_MEMORY_DATA BootMemoryData,
+ __in ULONG MinimumAllocationCount
)
{
- return STATUS_NOT_IMPLEMENTED;
+ NTSTATUS Status;
+
+ /* Initialize physical allocator variables */
+ PapMaximumPhysicalPage = 0xFFFFFFFFFFFFF;
+ PapMinimumAllocationCount = MinimumAllocationCount;
+ PapMinimumPhysicalPage = 0;
+
+ /* Initialize all the lists */
+ MmMdInitializeListHead(&MmMdlMappedAllocated);
+ MmMdInitializeListHead(&MmMdlMappedUnallocated);
+ MmMdInitializeListHead(&MmMdlFwAllocationTracker);
+ MmMdInitializeListHead(&MmMdlUnmappedAllocated);
+ MmMdInitializeListHead(&MmMdlReservedAllocated);
+ MmMdInitializeListHead(&MmMdlBadMemory);
+ MmMdInitializeListHead(&MmMdlTruncatedMemory);
+ MmMdInitializeListHead(&MmMdlPersistentMemory);
+ MmMdInitializeListHead(&MmMdlUnmappedUnallocated);
+ MmMdInitializeListHead(&MmMdlCompleteBadMemory);
+
+ /* Get the BIOS memory map */
+ Status = MmFwGetMemoryMap(&MmMdlUnmappedUnallocated,
+ BL_MM_FLAG_USE_FIRMWARE_FOR_MEMORY_MAP_BUFFERS |
+ BL_MM_FLAG_UNKNOWN);
+ if (NT_SUCCESS(Status))
+ {
+ Status = STATUS_NOT_IMPLEMENTED;
+ }
+
+ /* Return status */
+ return Status;
}
+
+
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