diff options
Diffstat (limited to 'OvmfPkg/PlatformPei/AmdSev.c')
| -rw-r--r-- | OvmfPkg/PlatformPei/AmdSev.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/OvmfPkg/PlatformPei/AmdSev.c b/OvmfPkg/PlatformPei/AmdSev.c index a8bf610022..3991edfd1e 100644 --- a/OvmfPkg/PlatformPei/AmdSev.c +++ b/OvmfPkg/PlatformPei/AmdSev.c @@ -58,10 +58,10 @@ AmdSevEsInitialize ( // make them reserved.
//
GhcbPageCount = mMaxCpuCount * 2;
- GhcbBase = AllocateReservedPages (GhcbPageCount);
+ GhcbBase = AllocateReservedPages (GhcbPageCount);
ASSERT (GhcbBase != NULL);
- GhcbBasePa = (PHYSICAL_ADDRESS)(UINTN) GhcbBase;
+ GhcbBasePa = (PHYSICAL_ADDRESS)(UINTN)GhcbBase;
//
// Each vCPU gets two consecutive pages, the first is the GHCB and the
@@ -70,10 +70,10 @@ AmdSevEsInitialize ( //
for (PageCount = 0; PageCount < GhcbPageCount; PageCount += 2) {
DecryptStatus = MemEncryptSevClearPageEncMask (
- 0,
- GhcbBasePa + EFI_PAGES_TO_SIZE (PageCount),
- 1
- );
+ 0,
+ GhcbBasePa + EFI_PAGES_TO_SIZE (PageCount),
+ 1
+ );
ASSERT_RETURN_ERROR (DecryptStatus);
}
@@ -84,16 +84,19 @@ AmdSevEsInitialize ( PcdStatus = PcdSet64S (PcdGhcbSize, EFI_PAGES_TO_SIZE (GhcbPageCount));
ASSERT_RETURN_ERROR (PcdStatus);
- DEBUG ((DEBUG_INFO,
+ DEBUG ((
+ DEBUG_INFO,
"SEV-ES is enabled, %lu GHCB pages allocated starting at 0x%p\n",
- (UINT64)GhcbPageCount, GhcbBase));
+ (UINT64)GhcbPageCount,
+ GhcbBase
+ ));
//
// Allocate #VC recursion backup pages. The number of backup pages needed is
// one less than the maximum VC count.
//
GhcbBackupPageCount = mMaxCpuCount * (VMGEXIT_MAXIMUM_VC_COUNT - 1);
- GhcbBackupBase = AllocatePages (GhcbBackupPageCount);
+ GhcbBackupBase = AllocatePages (GhcbBackupPageCount);
ASSERT (GhcbBackupBase != NULL);
GhcbBackupPages = GhcbBackupBase;
@@ -105,9 +108,12 @@ AmdSevEsInitialize ( GhcbBackupPages += EFI_PAGE_SIZE * (VMGEXIT_MAXIMUM_VC_COUNT - 1);
}
- DEBUG ((DEBUG_INFO,
+ DEBUG ((
+ DEBUG_INFO,
"SEV-ES is enabled, %lu GHCB backup pages allocated starting at 0x%p\n",
- (UINT64)GhcbBackupPageCount, GhcbBackupBase));
+ (UINT64)GhcbBackupPageCount,
+ GhcbBackupBase
+ ));
AsmWriteMsr64 (MSR_SEV_ES_GHCB, GhcbBasePa);
@@ -120,11 +126,11 @@ AmdSevEsInitialize ( //
AsmReadGdtr (&Gdtr);
- Gdt = AllocatePages (EFI_SIZE_TO_PAGES ((UINTN) Gdtr.Limit + 1));
+ Gdt = AllocatePages (EFI_SIZE_TO_PAGES ((UINTN)Gdtr.Limit + 1));
ASSERT (Gdt != NULL);
- CopyMem (Gdt, (VOID *) Gdtr.Base, Gdtr.Limit + 1);
- Gdtr.Base = (UINTN) Gdt;
+ CopyMem (Gdt, (VOID *)Gdtr.Base, Gdtr.Limit + 1);
+ Gdtr.Base = (UINTN)Gdt;
AsmWriteGdtr (&Gdtr);
}
@@ -139,8 +145,8 @@ AmdSevInitialize ( VOID
)
{
- UINT64 EncryptionMask;
- RETURN_STATUS PcdStatus;
+ UINT64 EncryptionMask;
+ RETURN_STATUS PcdStatus;
//
// Check if SEV is enabled
@@ -153,7 +159,7 @@ AmdSevInitialize ( // Set Memory Encryption Mask PCD
//
EncryptionMask = MemEncryptSevGetEncryptionMask ();
- PcdStatus = PcdSet64S (PcdPteMemoryEncryptionAddressOrMask, EncryptionMask);
+ PcdStatus = PcdSet64S (PcdPteMemoryEncryptionAddressOrMask, EncryptionMask);
ASSERT_RETURN_ERROR (PcdStatus);
DEBUG ((DEBUG_INFO, "SEV is enabled (mask 0x%lx)\n", EncryptionMask));
@@ -176,9 +182,9 @@ AmdSevInitialize ( // hypervisor.
//
if (FeaturePcdGet (PcdSmmSmramRequire) && (mBootMode != BOOT_ON_S3_RESUME)) {
- RETURN_STATUS LocateMapStatus;
- UINTN MapPagesBase;
- UINTN MapPagesCount;
+ RETURN_STATUS LocateMapStatus;
+ UINTN MapPagesBase;
+ UINTN MapPagesCount;
LocateMapStatus = MemEncryptSevLocateInitialSmramSaveStateMapPages (
&MapPagesBase,
|