Implement hardware layer pool memory management

xtoskrnl/includes/globals.h

@@ -69,4 +69,13 @@ EXTERN ULONG MmPageMapLevel;
 /* Processor structures data (THIS IS A TEMPORARY HACK) */
 EXTERN UCHAR MmProcessorStructuresData[MAXIMUM_PROCESSORS][KPROCESSOR_STRUCTURES_SIZE];
 
+/* Allocation descriptors dedicated for HAL */
+EXTERN LOADER_MEMORY_MAPPING MmpHalAllocationDescriptors[MM_HAL_ALLOCATION_DESCRIPTORS];
+
+/* Live address of kernel HAL heap */
+EXTERN PVOID MmpHalHeapStart;
+
+/* Number of used HAL allocation descriptors */
+EXTERN ULONG MmpUsedHalAllocationDescriptors;
+
 #endif /* __XTOSKRNL_GLOBALS_H */

xtoskrnl/includes/mmi.h

@@ -13,6 +13,12 @@
 
 
 /* Memory Manager routines forward references */
+XTAPI
+XTSTATUS
+MmAllocateHalMemory(IN PFN_NUMBER PageCount,
+                    IN BOOLEAN Aligned,
+                    OUT PULONG_PTR Buffer);
+
 XTAPI
 XTSTATUS
 MmAllocateKernelStack(IN PVOID *Stack,
@@ -24,6 +30,10 @@ XTSTATUS
 MmAllocateProcessorStructures(IN ULONG CpuNumber,
                               OUT PVOID *StructuresData);
 
+XTAPI
+VOID
+MmFlushTlb(VOID);
+
 XTAPI
 VOID
 MmFreeKernelStack(IN PVOID Stack,
@@ -37,6 +47,30 @@ XTAPI
 VOID
 MmInitializeMemoryManager(VOID);
 
+XTAPI
+XTSTATUS
+MmMapHalMemory(IN PHYSICAL_ADDRESS PhysicalAddress,
+               IN PFN_NUMBER PageCount,
+               IN BOOLEAN FlushTlb,
+               OUT PVOID *VirtualAddress);
+
+XTAPI
+VOID
+MmMarkHalMemoryWriteThrough(IN PVOID VirtualAddress,
+                            IN PFN_NUMBER PageCount);
+
+XTAPI
+VOID
+MmRemapHalMemory(IN PVOID VirtualAddress,
+                 IN PHYSICAL_ADDRESS PhysicalAddress,
+                 IN BOOLEAN FlushTlb);
+
+XTAPI
+XTSTATUS
+MmUnmapHalMemory(IN PVOID VirtualAddress,
+                 IN PFN_NUMBER PageCount,
+                 IN BOOLEAN FlushTlb);
+
 XTAPI
 VOID
 MmpScanMemoryDescriptors(VOID);