diff options
| -rw-r--r-- | OvmfPkg/Library/BaseMemEncryptSevLib/X64/SnpPageStateChangeInternal.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/SnpPageStateChangeInternal.c b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/SnpPageStateChangeInternal.c index 46c6682760..6a11adb06e 100644 --- a/OvmfPkg/Library/BaseMemEncryptSevLib/X64/SnpPageStateChangeInternal.c +++ b/OvmfPkg/Library/BaseMemEncryptSevLib/X64/SnpPageStateChangeInternal.c @@ -2,7 +2,7 @@ SEV-SNP Page Validation functions.
- Copyright (c) 2021 AMD Incorporated. All rights reserved.<BR>
+ Copyright (c) 2021 - 2024, AMD Incorporated. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -78,7 +78,9 @@ PvalidateRange ( IN BOOLEAN Validate
)
{
- UINTN RmpPageSize, Ret, i;
+ UINTN RmpPageSize;
+ UINTN Index;
+ UINTN Ret;
EFI_PHYSICAL_ADDRESS Address;
for ( ; StartIndex <= EndIndex; StartIndex++) {
@@ -96,7 +98,7 @@ PvalidateRange ( // the RMP entry is 4K and we are validating it as a 2MB.
//
if ((Ret == PVALIDATE_RET_SIZE_MISMATCH) && (RmpPageSize == PvalidatePageSize2MB)) {
- for (i = 0; i < PAGES_PER_LARGE_ENTRY; i++) {
+ for (Index = 0; Index < PAGES_PER_LARGE_ENTRY; Index++) {
Ret = AsmPvalidate (PvalidatePageSize4K, Validate, Address);
if (Ret) {
break;
@@ -135,18 +137,19 @@ BuildPageStateBuffer ( )
{
EFI_PHYSICAL_ADDRESS NextAddress;
- UINTN i, RmpPageSize;
+ UINTN RmpPageSize;
+ UINTN Index;
// Clear the page state structure
SetMem (Info, sizeof (*Info), 0);
- i = 0;
+ Index = 0;
NextAddress = EndAddress;
//
// Populate the page state entry structure
//
- while ((BaseAddress < EndAddress) && (i < SNP_PAGE_STATE_MAX_ENTRY)) {
+ while ((BaseAddress < EndAddress) && (Index < SNP_PAGE_STATE_MAX_ENTRY)) {
//
// Is this a 2MB aligned page? Check if we can use the Large RMP entry.
//
@@ -160,14 +163,14 @@ BuildPageStateBuffer ( NextAddress = BaseAddress + EFI_PAGE_SIZE;
}
- Info->Entry[i].GuestFrameNumber = BaseAddress >> EFI_PAGE_SHIFT;
- Info->Entry[i].PageSize = RmpPageSize;
- Info->Entry[i].Operation = MemoryStateToGhcbOp (State);
- Info->Entry[i].CurrentPage = 0;
- Info->Header.EndEntry = (UINT16)i;
+ Info->Entry[Index].GuestFrameNumber = BaseAddress >> EFI_PAGE_SHIFT;
+ Info->Entry[Index].PageSize = RmpPageSize;
+ Info->Entry[Index].Operation = MemoryStateToGhcbOp (State);
+ Info->Entry[Index].CurrentPage = 0;
+ Info->Header.EndEntry = (UINT16)Index;
BaseAddress = NextAddress;
- i++;
+ Index++;
}
return NextAddress;
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