diff options
Diffstat (limited to 'OvmfPkg/Library/BaseMemEncryptSevLib/X64/PeiDxeVirtualMemory.c')
| -rw-r--r-- | OvmfPkg/Library/BaseMemEncryptSevLib/X64/PeiDxeVirtualMemory.c | 269 |
1 files changed, 134 insertions, 135 deletions
diff --git a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/PeiDxeVirtualMemory.c b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/PeiDxeVirtualMemory.c index c696745f9d..bbc48ff6d8 100644 --- a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/PeiDxeVirtualMemory.c +++ b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/PeiDxeVirtualMemory.c @@ -18,13 +18,13 @@ #include "VirtualMemory.h"
-STATIC BOOLEAN mAddressEncMaskChecked = FALSE;
-STATIC UINT64 mAddressEncMask;
-STATIC PAGE_TABLE_POOL *mPageTablePool = NULL;
+STATIC BOOLEAN mAddressEncMaskChecked = FALSE;
+STATIC UINT64 mAddressEncMask;
+STATIC PAGE_TABLE_POOL *mPageTablePool = NULL;
typedef enum {
- SetCBit,
- ClearCBit
+ SetCBit,
+ ClearCBit
} MAP_RANGE_MODE;
/**
@@ -39,7 +39,7 @@ InternalGetMemEncryptionAddressMask ( VOID
)
{
- UINT64 EncryptionMask;
+ UINT64 EncryptionMask;
if (mAddressEncMaskChecked) {
return mAddressEncMask;
@@ -47,7 +47,7 @@ InternalGetMemEncryptionAddressMask ( EncryptionMask = MemEncryptSevGetEncryptionMask ();
- mAddressEncMask = EncryptionMask & PAGING_1G_ADDRESS_MASK_64;
+ mAddressEncMask = EncryptionMask & PAGING_1G_ADDRESS_MASK_64;
mAddressEncMaskChecked = TRUE;
return mAddressEncMask;
@@ -74,18 +74,18 @@ InternalGetMemEncryptionAddressMask ( STATIC
BOOLEAN
InitializePageTablePool (
- IN UINTN PoolPages
+ IN UINTN PoolPages
)
{
- VOID *Buffer;
+ VOID *Buffer;
//
// Always reserve at least PAGE_TABLE_POOL_UNIT_PAGES, including one page for
// header.
//
PoolPages += 1; // Add one page for header.
- PoolPages = ((PoolPages - 1) / PAGE_TABLE_POOL_UNIT_PAGES + 1) *
- PAGE_TABLE_POOL_UNIT_PAGES;
+ PoolPages = ((PoolPages - 1) / PAGE_TABLE_POOL_UNIT_PAGES + 1) *
+ PAGE_TABLE_POOL_UNIT_PAGES;
Buffer = AllocateAlignedPages (PoolPages, PAGE_TABLE_POOL_ALIGNMENT);
if (Buffer == NULL) {
DEBUG ((DEBUG_ERROR, "ERROR: Out of aligned pages\r\n"));
@@ -96,19 +96,19 @@ InitializePageTablePool ( // Link all pools into a list for easier track later.
//
if (mPageTablePool == NULL) {
- mPageTablePool = Buffer;
+ mPageTablePool = Buffer;
mPageTablePool->NextPool = mPageTablePool;
} else {
((PAGE_TABLE_POOL *)Buffer)->NextPool = mPageTablePool->NextPool;
- mPageTablePool->NextPool = Buffer;
- mPageTablePool = Buffer;
+ mPageTablePool->NextPool = Buffer;
+ mPageTablePool = Buffer;
}
//
// Reserve one page for pool header.
//
- mPageTablePool->FreePages = PoolPages - 1;
- mPageTablePool->Offset = EFI_PAGES_TO_SIZE (1);
+ mPageTablePool->FreePages = PoolPages - 1;
+ mPageTablePool->Offset = EFI_PAGES_TO_SIZE (1);
return TRUE;
}
@@ -134,10 +134,10 @@ STATIC VOID *
EFIAPI
AllocatePageTableMemory (
- IN UINTN Pages
+ IN UINTN Pages
)
{
- VOID *Buffer;
+ VOID *Buffer;
if (Pages == 0) {
return NULL;
@@ -146,8 +146,9 @@ AllocatePageTableMemory ( //
// Renew the pool if necessary.
//
- if (mPageTablePool == NULL ||
- Pages > mPageTablePool->FreePages) {
+ if ((mPageTablePool == NULL) ||
+ (Pages > mPageTablePool->FreePages))
+ {
if (!InitializePageTablePool (Pages)) {
return NULL;
}
@@ -155,8 +156,8 @@ AllocatePageTableMemory ( Buffer = (UINT8 *)mPageTablePool + mPageTablePool->Offset;
- mPageTablePool->Offset += EFI_PAGES_TO_SIZE (Pages);
- mPageTablePool->FreePages -= Pages;
+ mPageTablePool->Offset += EFI_PAGES_TO_SIZE (Pages);
+ mPageTablePool->FreePages -= Pages;
DEBUG ((
DEBUG_VERBOSE,
@@ -170,7 +171,6 @@ AllocatePageTableMemory ( return Buffer;
}
-
/**
Split 2M page to 4K.
@@ -184,19 +184,19 @@ AllocatePageTableMemory ( STATIC
VOID
Split2MPageTo4K (
- IN PHYSICAL_ADDRESS PhysicalAddress,
- IN OUT UINT64 *PageEntry2M,
- IN PHYSICAL_ADDRESS StackBase,
- IN UINTN StackSize
+ IN PHYSICAL_ADDRESS PhysicalAddress,
+ IN OUT UINT64 *PageEntry2M,
+ IN PHYSICAL_ADDRESS StackBase,
+ IN UINTN StackSize
)
{
- PHYSICAL_ADDRESS PhysicalAddress4K;
- UINTN IndexOfPageTableEntries;
- PAGE_TABLE_4K_ENTRY *PageTableEntry;
- PAGE_TABLE_4K_ENTRY *PageTableEntry1;
- UINT64 AddressEncMask;
+ PHYSICAL_ADDRESS PhysicalAddress4K;
+ UINTN IndexOfPageTableEntries;
+ PAGE_TABLE_4K_ENTRY *PageTableEntry;
+ PAGE_TABLE_4K_ENTRY *PageTableEntry1;
+ UINT64 AddressEncMask;
- PageTableEntry = AllocatePageTableMemory(1);
+ PageTableEntry = AllocatePageTableMemory (1);
PageTableEntry1 = PageTableEntry;
@@ -210,15 +210,17 @@ Split2MPageTo4K ( IndexOfPageTableEntries < 512;
(IndexOfPageTableEntries++,
PageTableEntry++,
- PhysicalAddress4K += SIZE_4KB)) {
+ PhysicalAddress4K += SIZE_4KB))
+ {
//
// Fill in the Page Table entries
//
- PageTableEntry->Uint64 = (UINT64) PhysicalAddress4K | AddressEncMask;
+ PageTableEntry->Uint64 = (UINT64)PhysicalAddress4K | AddressEncMask;
PageTableEntry->Bits.ReadWrite = 1;
- PageTableEntry->Bits.Present = 1;
+ PageTableEntry->Bits.Present = 1;
if ((PhysicalAddress4K >= StackBase) &&
- (PhysicalAddress4K < StackBase + StackSize)) {
+ (PhysicalAddress4K < StackBase + StackSize))
+ {
//
// Set Nx bit for stack.
//
@@ -244,9 +246,9 @@ Split2MPageTo4K ( STATIC
VOID
SetPageTablePoolReadOnly (
- IN UINTN PageTableBase,
- IN EFI_PHYSICAL_ADDRESS Address,
- IN BOOLEAN Level4Paging
+ IN UINTN PageTableBase,
+ IN EFI_PHYSICAL_ADDRESS Address,
+ IN BOOLEAN Level4Paging
)
{
UINTN Index;
@@ -286,12 +288,12 @@ SetPageTablePoolReadOnly ( LevelSize[3] = SIZE_1GB;
LevelSize[4] = SIZE_512GB;
- AddressEncMask = InternalGetMemEncryptionAddressMask();
- PageTable = (UINT64 *)(UINTN)PageTableBase;
- PoolUnitSize = PAGE_TABLE_POOL_UNIT_SIZE;
+ AddressEncMask = InternalGetMemEncryptionAddressMask ();
+ PageTable = (UINT64 *)(UINTN)PageTableBase;
+ PoolUnitSize = PAGE_TABLE_POOL_UNIT_SIZE;
for (Level = (Level4Paging) ? 4 : 3; Level > 0; --Level) {
- Index = ((UINTN)RShiftU64 (Address, LevelShift[Level]));
+ Index = ((UINTN)RShiftU64 (Address, LevelShift[Level]));
Index &= PAGING_PAE_INDEX_MASK;
PageAttr = PageTable[Index];
@@ -319,14 +321,13 @@ SetPageTablePoolReadOnly ( ASSERT (Index < EFI_PAGE_SIZE/sizeof (UINT64));
PageTable[Index] &= ~(UINT64)IA32_PG_RW;
- PoolUnitSize -= LevelSize[Level];
+ PoolUnitSize -= LevelSize[Level];
++Index;
}
}
break;
-
} else {
//
// The smaller granularity of page must be needed.
@@ -338,18 +339,20 @@ SetPageTablePoolReadOnly ( PhysicalAddress = PageAttr & LevelMask[Level];
for (EntryIndex = 0;
- EntryIndex < EFI_PAGE_SIZE/sizeof (UINT64);
- ++EntryIndex) {
+ EntryIndex < EFI_PAGE_SIZE/sizeof (UINT64);
+ ++EntryIndex)
+ {
NewPageTable[EntryIndex] = PhysicalAddress | AddressEncMask |
IA32_PG_P | IA32_PG_RW;
if (Level > 2) {
NewPageTable[EntryIndex] |= IA32_PG_PS;
}
+
PhysicalAddress += LevelSize[Level - 1];
}
PageTable[Index] = (UINT64)(UINTN)NewPageTable | AddressEncMask |
- IA32_PG_P | IA32_PG_RW;
+ IA32_PG_P | IA32_PG_RW;
PageTable = NewPageTable;
}
}
@@ -365,14 +368,14 @@ SetPageTablePoolReadOnly ( STATIC
VOID
EnablePageTableProtection (
- IN UINTN PageTableBase,
- IN BOOLEAN Level4Paging
+ IN UINTN PageTableBase,
+ IN BOOLEAN Level4Paging
)
{
- PAGE_TABLE_POOL *HeadPool;
- PAGE_TABLE_POOL *Pool;
- UINT64 PoolSize;
- EFI_PHYSICAL_ADDRESS Address;
+ PAGE_TABLE_POOL *HeadPool;
+ PAGE_TABLE_POOL *Pool;
+ UINT64 PoolSize;
+ EFI_PHYSICAL_ADDRESS Address;
if (mPageTablePool == NULL) {
return;
@@ -383,7 +386,7 @@ EnablePageTableProtection ( // remember original one in advance.
//
HeadPool = mPageTablePool;
- Pool = HeadPool;
+ Pool = HeadPool;
do {
Address = (EFI_PHYSICAL_ADDRESS)(UINTN)Pool;
PoolSize = Pool->Offset + EFI_PAGES_TO_SIZE (Pool->FreePages);
@@ -394,17 +397,15 @@ EnablePageTableProtection ( // the protection to them one by one.
//
while (PoolSize > 0) {
- SetPageTablePoolReadOnly(PageTableBase, Address, Level4Paging);
- Address += PAGE_TABLE_POOL_UNIT_SIZE;
- PoolSize -= PAGE_TABLE_POOL_UNIT_SIZE;
+ SetPageTablePoolReadOnly (PageTableBase, Address, Level4Paging);
+ Address += PAGE_TABLE_POOL_UNIT_SIZE;
+ PoolSize -= PAGE_TABLE_POOL_UNIT_SIZE;
}
Pool = Pool->NextPool;
} while (Pool != HeadPool);
-
}
-
/**
Split 1G page to 2M.
@@ -418,18 +419,18 @@ EnablePageTableProtection ( STATIC
VOID
Split1GPageTo2M (
- IN PHYSICAL_ADDRESS PhysicalAddress,
- IN OUT UINT64 *PageEntry1G,
- IN PHYSICAL_ADDRESS StackBase,
- IN UINTN StackSize
+ IN PHYSICAL_ADDRESS PhysicalAddress,
+ IN OUT UINT64 *PageEntry1G,
+ IN PHYSICAL_ADDRESS StackBase,
+ IN UINTN StackSize
)
{
- PHYSICAL_ADDRESS PhysicalAddress2M;
- UINTN IndexOfPageDirectoryEntries;
- PAGE_TABLE_ENTRY *PageDirectoryEntry;
- UINT64 AddressEncMask;
+ PHYSICAL_ADDRESS PhysicalAddress2M;
+ UINTN IndexOfPageDirectoryEntries;
+ PAGE_TABLE_ENTRY *PageDirectoryEntry;
+ UINT64 AddressEncMask;
- PageDirectoryEntry = AllocatePageTableMemory(1);
+ PageDirectoryEntry = AllocatePageTableMemory (1);
AddressEncMask = InternalGetMemEncryptionAddressMask ();
ASSERT (PageDirectoryEntry != NULL);
@@ -445,9 +446,11 @@ Split1GPageTo2M ( IndexOfPageDirectoryEntries < 512;
(IndexOfPageDirectoryEntries++,
PageDirectoryEntry++,
- PhysicalAddress2M += SIZE_2MB)) {
+ PhysicalAddress2M += SIZE_2MB))
+ {
if ((PhysicalAddress2M < StackBase + StackSize) &&
- ((PhysicalAddress2M + SIZE_2MB) > StackBase)) {
+ ((PhysicalAddress2M + SIZE_2MB) > StackBase))
+ {
//
// Need to split this 2M page that covers stack range.
//
@@ -461,15 +464,14 @@ Split1GPageTo2M ( //
// Fill in the Page Directory entries
//
- PageDirectoryEntry->Uint64 = (UINT64) PhysicalAddress2M | AddressEncMask;
+ PageDirectoryEntry->Uint64 = (UINT64)PhysicalAddress2M | AddressEncMask;
PageDirectoryEntry->Bits.ReadWrite = 1;
- PageDirectoryEntry->Bits.Present = 1;
- PageDirectoryEntry->Bits.MustBe1 = 1;
+ PageDirectoryEntry->Bits.Present = 1;
+ PageDirectoryEntry->Bits.MustBe1 = 1;
}
}
}
-
/**
Set or Clear the memory encryption bit
@@ -478,12 +480,12 @@ Split1GPageTo2M ( **/
STATIC VOID
-SetOrClearCBit(
- IN OUT UINT64* PageTablePointer,
- IN MAP_RANGE_MODE Mode
+SetOrClearCBit (
+ IN OUT UINT64 *PageTablePointer,
+ IN MAP_RANGE_MODE Mode
)
{
- UINT64 AddressEncMask;
+ UINT64 AddressEncMask;
AddressEncMask = InternalGetMemEncryptionAddressMask ();
@@ -492,7 +494,6 @@ SetOrClearCBit( } else {
*PageTablePointer &= ~AddressEncMask;
}
-
}
/**
@@ -511,7 +512,6 @@ IsReadOnlyPageWriteProtected ( return ((AsmReadCr0 () & BIT16) != 0);
}
-
/**
Disable Write Protect on pages marked as read-only.
**/
@@ -521,7 +521,7 @@ DisableReadOnlyPageWriteProtect ( VOID
)
{
- AsmWriteCr0 (AsmReadCr0() & ~BIT16);
+ AsmWriteCr0 (AsmReadCr0 () & ~BIT16);
}
/**
@@ -533,10 +533,9 @@ EnableReadOnlyPageWriteProtect ( VOID
)
{
- AsmWriteCr0 (AsmReadCr0() | BIT16);
+ AsmWriteCr0 (AsmReadCr0 () | BIT16);
}
-
/**
This function either sets or clears memory encryption bit for the memory
region specified by PhysicalAddress and Length from the current page table
@@ -568,23 +567,23 @@ STATIC RETURN_STATUS
EFIAPI
SetMemoryEncDec (
- IN PHYSICAL_ADDRESS Cr3BaseAddress,
- IN PHYSICAL_ADDRESS PhysicalAddress,
- IN UINTN Length,
- IN MAP_RANGE_MODE Mode,
- IN BOOLEAN CacheFlush
+ IN PHYSICAL_ADDRESS Cr3BaseAddress,
+ IN PHYSICAL_ADDRESS PhysicalAddress,
+ IN UINTN Length,
+ IN MAP_RANGE_MODE Mode,
+ IN BOOLEAN CacheFlush
)
{
- PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;
- PAGE_MAP_AND_DIRECTORY_POINTER *PageUpperDirectoryPointerEntry;
- PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;
- PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;
- PAGE_TABLE_ENTRY *PageDirectory2MEntry;
- PAGE_TABLE_4K_ENTRY *PageTableEntry;
- UINT64 PgTableMask;
- UINT64 AddressEncMask;
- BOOLEAN IsWpEnabled;
- RETURN_STATUS Status;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageMapLevel4Entry;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageUpperDirectoryPointerEntry;
+ PAGE_MAP_AND_DIRECTORY_POINTER *PageDirectoryPointerEntry;
+ PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;
+ PAGE_TABLE_ENTRY *PageDirectory2MEntry;
+ PAGE_TABLE_4K_ENTRY *PageTableEntry;
+ UINT64 PgTableMask;
+ UINT64 AddressEncMask;
+ BOOLEAN IsWpEnabled;
+ RETURN_STATUS Status;
//
// Set PageMapLevel4Entry to suppress incorrect compiler/analyzer warnings.
@@ -623,7 +622,7 @@ SetMemoryEncDec ( // with correct C-bit
//
if (CacheFlush) {
- WriteBackInvalidateDataCacheRange((VOID*) (UINTN)PhysicalAddress, Length);
+ WriteBackInvalidateDataCacheRange ((VOID *)(UINTN)PhysicalAddress, Length);
}
//
@@ -636,17 +635,16 @@ SetMemoryEncDec ( Status = EFI_SUCCESS;
- while (Length != 0)
- {
+ while (Length != 0) {
//
// If Cr3BaseAddress is not specified then read the current CR3
//
if (Cr3BaseAddress == 0) {
- Cr3BaseAddress = AsmReadCr3();
+ Cr3BaseAddress = AsmReadCr3 ();
}
- PageMapLevel4Entry = (VOID*) (Cr3BaseAddress & ~PgTableMask);
- PageMapLevel4Entry += PML4_OFFSET(PhysicalAddress);
+ PageMapLevel4Entry = (VOID *)(Cr3BaseAddress & ~PgTableMask);
+ PageMapLevel4Entry += PML4_OFFSET (PhysicalAddress);
if (!PageMapLevel4Entry->Bits.Present) {
DEBUG ((
DEBUG_ERROR,
@@ -660,10 +658,10 @@ SetMemoryEncDec ( }
PageDirectory1GEntry = (VOID *)(
- (PageMapLevel4Entry->Bits.PageTableBaseAddress <<
- 12) & ~PgTableMask
- );
- PageDirectory1GEntry += PDP_OFFSET(PhysicalAddress);
+ (PageMapLevel4Entry->Bits.PageTableBaseAddress <<
+ 12) & ~PgTableMask
+ );
+ PageDirectory1GEntry += PDP_OFFSET (PhysicalAddress);
if (!PageDirectory1GEntry->Bits.Present) {
DEBUG ((
DEBUG_ERROR,
@@ -684,8 +682,8 @@ SetMemoryEncDec ( // Valid 1GB page
// If we have at least 1GB to go, we can just update this entry
//
- if ((PhysicalAddress & (BIT30 - 1)) == 0 && Length >= BIT30) {
- SetOrClearCBit(&PageDirectory1GEntry->Uint64, Mode);
+ if (((PhysicalAddress & (BIT30 - 1)) == 0) && (Length >= BIT30)) {
+ SetOrClearCBit (&PageDirectory1GEntry->Uint64, Mode);
DEBUG ((
DEBUG_VERBOSE,
"%a:%a: updated 1GB entry for Physical=0x%Lx\n",
@@ -694,7 +692,7 @@ SetMemoryEncDec ( PhysicalAddress
));
PhysicalAddress += BIT30;
- Length -= BIT30;
+ Length -= BIT30;
} else {
//
// We must split the page
@@ -722,10 +720,10 @@ SetMemoryEncDec ( (PAGE_MAP_AND_DIRECTORY_POINTER *)PageDirectory1GEntry;
PageDirectory2MEntry =
(VOID *)(
- (PageUpperDirectoryPointerEntry->Bits.PageTableBaseAddress <<
- 12) & ~PgTableMask
- );
- PageDirectory2MEntry += PDE_OFFSET(PhysicalAddress);
+ (PageUpperDirectoryPointerEntry->Bits.PageTableBaseAddress <<
+ 12) & ~PgTableMask
+ );
+ PageDirectory2MEntry += PDE_OFFSET (PhysicalAddress);
if (!PageDirectory2MEntry->Bits.Present) {
DEBUG ((
DEBUG_ERROR,
@@ -737,6 +735,7 @@ SetMemoryEncDec ( Status = RETURN_NO_MAPPING;
goto Done;
}
+
//
// If the MustBe1 bit is not a 1, it's not a 2MB entry
//
@@ -745,10 +744,10 @@ SetMemoryEncDec ( // Valid 2MB page
// If we have at least 2MB left to go, we can just update this entry
//
- if ((PhysicalAddress & (BIT21-1)) == 0 && Length >= BIT21) {
+ if (((PhysicalAddress & (BIT21-1)) == 0) && (Length >= BIT21)) {
SetOrClearCBit (&PageDirectory2MEntry->Uint64, Mode);
PhysicalAddress += BIT21;
- Length -= BIT21;
+ Length -= BIT21;
} else {
//
// We must split up this page into 4K pages
@@ -773,10 +772,10 @@ SetMemoryEncDec ( (PAGE_MAP_AND_DIRECTORY_POINTER *)PageDirectory2MEntry;
PageTableEntry =
(VOID *)(
- (PageDirectoryPointerEntry->Bits.PageTableBaseAddress <<
- 12) & ~PgTableMask
- );
- PageTableEntry += PTE_OFFSET(PhysicalAddress);
+ (PageDirectoryPointerEntry->Bits.PageTableBaseAddress <<
+ 12) & ~PgTableMask
+ );
+ PageTableEntry += PTE_OFFSET (PhysicalAddress);
if (!PageTableEntry->Bits.Present) {
DEBUG ((
DEBUG_ERROR,
@@ -788,9 +787,10 @@ SetMemoryEncDec ( Status = RETURN_NO_MAPPING;
goto Done;
}
+
SetOrClearCBit (&PageTableEntry->Uint64, Mode);
PhysicalAddress += EFI_PAGE_SIZE;
- Length -= EFI_PAGE_SIZE;
+ Length -= EFI_PAGE_SIZE;
}
}
}
@@ -806,7 +806,7 @@ SetMemoryEncDec ( //
// Flush TLB
//
- CpuFlushTlb();
+ CpuFlushTlb ();
Done:
//
@@ -838,12 +838,11 @@ Done: RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryDecrypted (
- IN PHYSICAL_ADDRESS Cr3BaseAddress,
- IN PHYSICAL_ADDRESS PhysicalAddress,
- IN UINTN Length
+ IN PHYSICAL_ADDRESS Cr3BaseAddress,
+ IN PHYSICAL_ADDRESS PhysicalAddress,
+ IN UINTN Length
)
{
-
return SetMemoryEncDec (
Cr3BaseAddress,
PhysicalAddress,
@@ -872,9 +871,9 @@ InternalMemEncryptSevSetMemoryDecrypted ( RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryEncrypted (
- IN PHYSICAL_ADDRESS Cr3BaseAddress,
- IN PHYSICAL_ADDRESS PhysicalAddress,
- IN UINTN Length
+ IN PHYSICAL_ADDRESS Cr3BaseAddress,
+ IN PHYSICAL_ADDRESS PhysicalAddress,
+ IN UINTN Length
)
{
return SetMemoryEncDec (
@@ -905,9 +904,9 @@ InternalMemEncryptSevSetMemoryEncrypted ( RETURN_STATUS
EFIAPI
InternalMemEncryptSevClearMmioPageEncMask (
- IN PHYSICAL_ADDRESS Cr3BaseAddress,
- IN PHYSICAL_ADDRESS PhysicalAddress,
- IN UINTN Length
+ IN PHYSICAL_ADDRESS Cr3BaseAddress,
+ IN PHYSICAL_ADDRESS PhysicalAddress,
+ IN UINTN Length
)
{
return SetMemoryEncDec (
|