VirtualMemory.h

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#ifndef __VIRTUAL_MEMORY__
#define __VIRTUAL_MEMORY__
 
#include <IndustryStandard/PageTable.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/CacheMaintenanceLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Uefi.h>
 
#define SYS_CODE64_SEL  0x38
 
#define PAGE_TABLE_POOL_ALIGNMENT  BASE_2MB
#define PAGE_TABLE_POOL_UNIT_SIZE  SIZE_2MB
#define PAGE_TABLE_POOL_UNIT_PAGES  \
  EFI_SIZE_TO_PAGES (PAGE_TABLE_POOL_UNIT_SIZE)
#define PAGE_TABLE_POOL_ALIGN_MASK  \
  (~(EFI_PHYSICAL_ADDRESS)(PAGE_TABLE_POOL_ALIGNMENT - 1))
 
typedef struct {
  VOID     *NextPool;
  UINTN    Offset;
  UINTN    FreePages;
} PAGE_TABLE_POOL;
 
UINT64
EFIAPI
InternalGetMemEncryptionAddressMask (
  VOID
  );
 
RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryDecrypted (
  IN  PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN  PHYSICAL_ADDRESS  PhysicalAddress,
  IN  UINTN             Length
  );
 
RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryEncrypted (
  IN  PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN  PHYSICAL_ADDRESS  PhysicalAddress,
  IN  UINTN             Length
  );
 
MEM_ENCRYPT_SEV_ADDRESS_RANGE_STATE
EFIAPI
InternalMemEncryptSevGetAddressRangeState (
  IN PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN PHYSICAL_ADDRESS  BaseAddress,
  IN UINTN             Length
  );
 
RETURN_STATUS
EFIAPI
InternalMemEncryptSevClearMmioPageEncMask (
  IN  PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN  PHYSICAL_ADDRESS  PhysicalAddress,
  IN  UINTN             Length
  );
 
RETURN_STATUS
EFIAPI
InternalMemEncryptSevCreateIdentityMap1G (
  IN    PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN    PHYSICAL_ADDRESS  PhysicalAddress,
  IN    UINTN             Length
  );
 
#endif