diff --git a/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c b/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c
index 5d4f893..4f8271c 100644
--- a/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c
+++ b/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c
@@ -44,6 +44,7 @@ Return Value:
     HANDLE DataStore;
 
     LibraryParameters.Flags = 0;
+    LibraryParameters.MinimumPageAllocation = 16;
 
     //
     // Initialize the boot library.
diff --git a/BOOT/ENVIRON/INC/bootlib.h b/BOOT/ENVIRON/INC/bootlib.h
index d45d80c..b0973f1 100644
--- a/BOOT/ENVIRON/INC/bootlib.h
+++ b/BOOT/ENVIRON/INC/bootlib.h
@@ -21,6 +21,8 @@ Abstract:
 
 typedef struct {
     ULONG Flags;
+    ULONG TranslationType;
+    ULONG MinimumPageAllocation;
 } BOOT_LIBRARY_PARAMETERS, *PBOOT_LIBRARY_PARAMETERS;
 
 VOID
@@ -61,6 +63,13 @@ BlpFwInitialize (
     IN PBOOT_FIRMWARE_DATA FirmwareData
     );
 
+NTSTATUS
+BlpMmInitialize (
+    IN PBOOT_MEMORY_INFO MemoryInfo,
+    IN ULONG TranslationType,
+    IN PBOOT_LIBRARY_PARAMETERS LibraryParameters
+    );
+
 NTSTATUS
 BlInitializeLibrary (
     IN PBOOT_INPUT_PARAMETERS InputParameters,
diff --git a/BOOT/ENVIRON/INC/bootmgr.h b/BOOT/ENVIRON/INC/bootmgr.h
index 17e3321..0defc42 100644
--- a/BOOT/ENVIRON/INC/bootmgr.h
+++ b/BOOT/ENVIRON/INC/bootmgr.h
@@ -28,17 +28,18 @@ Abstract:
 #define BOOT_MACHINE_TYPE IMAGE_FILE_MACHINE_I386
 #endif
 
-//
-// No address translation.
-//
-#define BOOT_TRANSLATION_TYPE 0
-
 //
 // Use EFI page size.
 //
 #define PAGE_SIZE  EFI_PAGE_SIZE
 #define PAGE_SHIFT EFI_PAGE_SHIFT
 
+//
+// Address translation types.
+//
+#define BOOT_TRANSLATION_TYPE_NONE 0
+#define BOOT_TRANSLATION_TYPE_MAX  1
+
 #define BOOT_INPUT_PARAMETERS_SIGNATURE 0x50504120544f4f42 /* "BOOT APP" */
 #define BOOT_INPUT_PARAMETERS_VERSION   2
 
@@ -122,6 +123,19 @@ typedef struct {
     ULONG Type;
 } BOOT_MEMORY_DESCRIPTOR, *PBOOT_MEMORY_DESCRIPTOR;
 
+typedef enum {
+    MDL_TYPE_PHYSICAL,
+    MDL_TYPE_VIRTUAL
+} BOOT_MEMORY_DESCRIPTOR_LIST_TYPE;
+
+typedef struct {
+    LIST_ENTRY ListEntry;
+
+    PVOID Head;
+    PVOID Current;
+    BOOT_MEMORY_DESCRIPTOR_LIST_TYPE Type;
+} BOOT_MEMORY_DESCRIPTOR_LIST, *PBOOT_MEMORY_DESCRIPTOR_LIST;
+
 #define BOOT_FIRMWARE_DATA_VERSION 2
 
 typedef struct {
@@ -240,6 +254,10 @@ typedef struct {
     };
 } BOOT_DEVICE, *PBOOT_DEVICE;
 
+#define BCDE_DATA_FORMAT_MASK 0x0F000000
+
+#define BCDE_DATA_FORMAT_DEVICE 1
+
 typedef enum {
     BCDE_DATA_TYPE_APPLICATION_DEVICE = 0x11000001,
     BCDE_DATA_TYPE_APPLICATION_PATH   = 0x22000002
diff --git a/BOOT/ENVIRON/INC/mm.h b/BOOT/ENVIRON/INC/mm.h
new file mode 100644
index 0000000..9dec7de
--- /dev/null
+++ b/BOOT/ENVIRON/INC/mm.h
@@ -0,0 +1,27 @@
+/*++
+
+Copyright (c) 2024, Quinn Stephens.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   mm.h
+
+Abstract:
+
+   Boot memory manager definitions.
+
+--*/
+
+#ifndef _MM_H
+#define _MM_H
+
+#include "bootlib.h"
+
+NTSTATUS
+MmPaInitialize (
+    IN PBOOT_MEMORY_INFO MemoryInfo,
+    IN ULONG MinimumAllocation
+    );
+
+#endif
diff --git a/BOOT/ENVIRON/LIB/EFI/efiinit.c b/BOOT/ENVIRON/LIB/EFI/efiinit.c
index 8311456..58ee453 100644
--- a/BOOT/ENVIRON/LIB/EFI/efiinit.c
+++ b/BOOT/ENVIRON/LIB/EFI/efiinit.c
@@ -680,7 +680,7 @@ Return Value:
     InputParameters->Signature = BOOT_INPUT_PARAMETERS_SIGNATURE;
     InputParameters->Version = BOOT_INPUT_PARAMETERS_VERSION;
     InputParameters->MachineType = BOOT_MACHINE_TYPE;
-    InputParameters->TranslationType = BOOT_TRANSLATION_TYPE;
+    InputParameters->TranslationType = BOOT_TRANSLATION_TYPE_NONE;
     InputParameters->ImageBase = LoadedImage->ImageBase;
     InputParameters->ImageSize = LoadedImage->ImageSize;
 
diff --git a/BOOT/ENVIRON/LIB/MM/mm.c b/BOOT/ENVIRON/LIB/MM/mm.c
new file mode 100644
index 0000000..ec36542
--- /dev/null
+++ b/BOOT/ENVIRON/LIB/MM/mm.c
@@ -0,0 +1,87 @@
+/*++
+
+Copyright (c) 2024, Quinn Stephens.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   mm.c
+
+Abstract:
+
+   Provides boot library memory manager routines.
+
+--*/
+
+#include <ntrtl.h>
+#include "bootlib.h"
+#include "mm.h"
+
+#define MAX_STATIC_DESCRIPTOR_COUNT 1024
+
+BOOT_MEMORY_DESCRIPTOR MmStaticMemoryDescriptors[MAX_STATIC_DESCRIPTOR_COUNT];
+PBOOT_MEMORY_DESCRIPTOR MmGlobalMemoryDescriptors;
+ULONG MmGlobalMemoryDescriptorCount;
+
+NTSTATUS
+BlpMmInitialize (
+    IN PBOOT_MEMORY_INFO MemoryInfo,
+    IN ULONG TranslationType,
+    IN PBOOT_LIBRARY_PARAMETERS LibraryParameters
+    )
+
+/*++
+
+Routine Description:
+
+    Initializes the boot memory manager.
+
+Arguments:
+
+    MemoryInfo - pointer to the memory info structure.
+
+    TranslationType - the current translation type being used.
+
+    LibraryParameters - pointer to the library parameters structure.
+
+Return Value:
+
+    STATUS_SUCCESS if successful,
+    STATUS_INVALID_PARAMETER if TranslationType is invalid,
+    Other NTSTATUS value if an error occurs.
+
+--*/
+
+{
+    NTSTATUS Status;
+
+    DebugPrint(L"Initializing memory manager...\r\n");
+
+    //
+    // Check TranslationType.
+    //
+    if (
+        TranslationType > BOOT_TRANSLATION_TYPE_MAX ||
+        LibraryParameters->TranslationType > BOOT_TRANSLATION_TYPE_MAX
+    ) {
+        DebugPrint(L"BlpMmInitialize(): TranslationType is invalid\r\n");
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    //
+    // Initialize memory descriptors.
+    //
+    MmGlobalMemoryDescriptors = &MmStaticMemoryDescriptors[0];
+    MmGlobalMemoryDescriptorCount = MAX_STATIC_DESCRIPTOR_COUNT;
+    RtlZeroMemory(MmGlobalMemoryDescriptors, MAX_STATIC_DESCRIPTOR_COUNT * sizeof(BOOT_MEMORY_DESCRIPTOR));
+
+    //
+    // Initialize the page allocator.
+    //
+    Status = MmPaInitialize(MemoryInfo, LibraryParameters->MinimumPageAllocation);
+    if (!NT_SUCCESS(Status)) {
+        return Status;
+    }
+
+    return STATUS_SUCCESS;
+}
\ No newline at end of file
diff --git a/BOOT/ENVIRON/LIB/MM/mmpa.c b/BOOT/ENVIRON/LIB/MM/mmpa.c
new file mode 100644
index 0000000..a759219
--- /dev/null
+++ b/BOOT/ENVIRON/LIB/MM/mmpa.c
@@ -0,0 +1,120 @@
+/*++
+
+Copyright (c) 2024, Quinn Stephens.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   mmpa.c
+
+Abstract:
+
+   Provides memory manager page routines.
+
+--*/
+
+#include "bootlib.h"
+#include "mm.h"
+
+ULONG PapMinimumAllocationCount;
+ULONGLONG PapMinimumPhysicalPage;
+ULONGLONG PapMaximumPhysicalPage;
+
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlFwAllocationTracker;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlBadMemory;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlTruncatedMemory;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlPersistentMemory;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlReservedAllocated;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlMappedAllocated;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlMappedUnallocated;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlUnmappedAllocated;
+BOOT_MEMORY_DESCRIPTOR_LIST MmMdlUnmappedUnallocated;
+
+FORCEINLINE
+VOID
+InitializeList (
+    IN PBOOT_MEMORY_DESCRIPTOR_LIST List
+    )
+
+/*++
+
+Routine Description:
+
+    Initializes a MDL.
+
+Arguments:
+
+    List - the MDL to initialize.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    List->Head = NULL;
+    List->Current = NULL;
+    List->Type = MDL_TYPE_PHYSICAL;
+}
+
+NTSTATUS
+MmPaInitialize (
+    IN PBOOT_MEMORY_INFO MemoryInfo,
+    IN ULONG MinimumAllocation
+    )
+
+/*++
+
+Routine Description:
+
+    Initializes the page allocator.
+
+Arguments:
+
+    MemoryInfo - pointer to the memory info structure.
+
+    MinimumAllocation - minimum amount of pages to grow the pool by at a time.
+
+Return Value:
+
+    STATUS_SUCCESS if successful,
+
+--*/
+
+{
+    (VOID)MemoryInfo;
+
+    DebugPrint(L"Initializing page allocator...\r\n");
+
+    //
+    // Initialize page allocator settings.
+    //
+    PapMinimumAllocationCount = MinimumAllocation;
+    PapMinimumPhysicalPage = 1;
+    PapMaximumPhysicalPage = MAXULONGLONG >> PAGE_SHIFT;
+    DebugPrintf(L"Maximum physical page: %x %x\r\n", (ULONG)(PapMaximumPhysicalPage >> 32), (ULONG)(PapMaximumPhysicalPage));
+
+    //
+    // Initialize MDLs.
+    //
+    InitializeList(&MmMdlFwAllocationTracker);
+    InitializeList(&MmMdlBadMemory);
+    InitializeList(&MmMdlTruncatedMemory);
+    InitializeList(&MmMdlPersistentMemory);
+    InitializeList(&MmMdlReservedAllocated);;
+    InitializeList(&MmMdlMappedAllocated);
+    InitializeList(&MmMdlMappedUnallocated);
+    InitializeList(&MmMdlUnmappedAllocated);
+    InitializeList(&MmMdlUnmappedUnallocated);
+
+    //
+    // Get the firmware memory map.
+    //
+    // Status = MmFwGetMemoryMap(&MmMdlUnmappedUnallocated, 0x03);
+    // if (!NT_SUCCESS(Status)) {
+    //     return Status;
+    // }
+
+    return STATUS_SUCCESS;
+}
diff --git a/BOOT/ENVIRON/LIB/bootlib.c b/BOOT/ENVIRON/LIB/bootlib.c
index aa6fbc8..9f2e089 100644
--- a/BOOT/ENVIRON/LIB/bootlib.c
+++ b/BOOT/ENVIRON/LIB/bootlib.c
@@ -56,6 +56,7 @@ Return Value:
 
 {
     NTSTATUS Status;
+    PBOOT_MEMORY_INFO MemoryInfo;
     PBOOT_INPUT_APPLICATION_ENTRY ApplicationEntry;
     PBOOT_FIRMWARE_DATA FirmwareData;
     PBOOT_BLOCK_IDENTIFIER BlockDevice;
@@ -75,6 +76,7 @@ Return Value:
     //
     // Calculate structure addresses from offsets.
     //
+    MemoryInfo = (PBOOT_MEMORY_INFO)((PUCHAR)InputParameters + InputParameters->MemoryInfoOffset);
     ApplicationEntry = (PBOOT_INPUT_APPLICATION_ENTRY)((PUCHAR)InputParameters + InputParameters->ApplicationEntryOffset);
     BlpBootDevice = (PBOOT_DEVICE)((PUCHAR)InputParameters + InputParameters->BootDeviceOffset);
     FirmwareData = (PBOOT_FIRMWARE_DATA)((PUCHAR)InputParameters + InputParameters->FirmwareDataOffset);
@@ -99,7 +101,7 @@ Return Value:
     // Check application entry signature.
     //
     if (ApplicationEntry->Signature != BOOT_INPUT_APPLICATION_ENTRY_SIGNATURE) {
-        DebugPrint(L"Application entry signature is invalid\r\n");
+        DebugPrint(L"InitializeLibrary(): ApplicationEntry Signature is invalid\r\n");
         return STATUS_INVALID_PARAMETER_9;
     }
 
@@ -111,6 +113,14 @@ Return Value:
     RtlCopyMemory(&BlpApplicationEntry.BcdIdentifier, &ApplicationEntry->BcdIdentifier, sizeof(GUID));
     BlpApplicationEntry.Options = &ApplicationEntry->Options;
 
+    //
+    // Initialize memory manager.
+    //
+    Status = BlpMmInitialize(MemoryInfo, InputParameters->TranslationType, LibraryParameters);
+    if (!NT_SUCCESS(Status)) {
+        return Status;
+    }
+
     //
     // Print debug information.
     // TODO: Remove this once the project is more stable?