diff options
Diffstat (limited to 'Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/PeiCheckSmmInfo.c')
| -rw-r--r-- | Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/PeiCheckSmmInfo.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/PeiCheckSmmInfo.c b/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/PeiCheckSmmInfo.c new file mode 100644 index 0000000000..a65a2555cd --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Test/Library/TestPointCheckLib/PeiCheckSmmInfo.c @@ -0,0 +1,232 @@ +/** @file
+
+Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Uefi.h>
+#include <PiPei.h>
+#include <Library/TestPointCheckLib.h>
+#include <Library/TestPointLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/HobLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Guid/SmramMemoryReserve.h>
+#include <Ppi/SmmAccess.h>
+
+CHAR8 *mSmramStateName[] = {
+ "Open",
+ "Closed",
+ "Locked",
+ "Cacheable",
+ "Allocated",
+ "NeedTest",
+ "NeedEccInit",
+};
+
+VOID
+DumpSmramDescriptor (
+ IN UINTN NumberOfSmmReservedRegions,
+ IN EFI_SMRAM_DESCRIPTOR *Descriptor
+ )
+{
+ UINTN Index;
+ UINTN BitIndex;
+
+ for (Index = 0; Index < NumberOfSmmReservedRegions; Index++) {
+ DEBUG ((DEBUG_INFO,
+ " BA=%016lx (A=%016lx) L=%016lx State=%016lx",
+ Descriptor[Index].PhysicalStart,
+ Descriptor[Index].CpuStart,
+ Descriptor[Index].PhysicalSize,
+ Descriptor[Index].RegionState
+ ));
+ DEBUG ((DEBUG_INFO, " ("));
+ for (BitIndex = 0; BitIndex < sizeof(mSmramStateName)/sizeof(mSmramStateName[0]); BitIndex++) {
+ if ((Descriptor[Index].RegionState & LShiftU64 (1, BitIndex)) != 0) {
+ DEBUG ((DEBUG_INFO, mSmramStateName[BitIndex]));
+ DEBUG ((DEBUG_INFO, ","));
+ }
+ }
+ DEBUG ((DEBUG_INFO, ")\n"));
+ }
+}
+
+EFI_STATUS
+CheckSmramDescriptor (
+ IN UINTN NumberOfSmmReservedRegions,
+ IN EFI_SMRAM_DESCRIPTOR *Descriptor
+ )
+{
+ UINTN Index;
+ UINT64 Base;
+ UINT64 Length;
+
+ Base = 0;
+ Length = 0;
+ for (Index = 0; Index < NumberOfSmmReservedRegions; Index++) {
+ if (Base == 0) {
+ Base = Descriptor[Index].PhysicalStart;
+ Length = Descriptor[Index].PhysicalSize;
+ } else {
+ if (Base + Length == Descriptor[Index].PhysicalStart) {
+ Length = Length + Descriptor[Index].PhysicalSize;
+ } else if (Descriptor[Index].PhysicalStart + Descriptor[Index].PhysicalSize == Base) {
+ Base = Descriptor[Index].PhysicalStart;
+ Length = Length + Descriptor[Index].PhysicalSize;
+ } else {
+ DEBUG ((DEBUG_ERROR, "Smram is not adjacent\n"));
+ TestPointLibAppendErrorString (
+ PLATFORM_TEST_POINT_ROLE_PLATFORM_IBV,
+ NULL,
+ TEST_POINT_BYTE1_END_OF_PEI_SYSTEM_RESOURCE_FUNCTIONAL_ERROR_CODE \
+ TEST_POINT_END_OF_PEI \
+ TEST_POINT_BYTE1_END_OF_PEI_SYSTEM_RESOURCE_FUNCTIONAL_ERROR_STRING
+ );
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ }
+
+ if (Length != GetPowerOfTwo64 (Length)) {
+ DEBUG ((DEBUG_ERROR, "Smram is not aligned\n"));
+ TestPointLibAppendErrorString (
+ PLATFORM_TEST_POINT_ROLE_PLATFORM_IBV,
+ NULL,
+ TEST_POINT_BYTE1_END_OF_PEI_SYSTEM_RESOURCE_FUNCTIONAL_ERROR_CODE \
+ TEST_POINT_MEMORY_DISCOVERED \
+ TEST_POINT_BYTE1_END_OF_PEI_SYSTEM_RESOURCE_FUNCTIONAL_ERROR_STRING
+ );
+ return EFI_INVALID_PARAMETER;
+ }
+ return EFI_SUCCESS;
+}
+
+#if 0
+EFI_STATUS
+TestPointCheckSmramHob (
+ VOID
+ )
+{
+ EFI_PEI_HOB_POINTERS Hob;
+ EFI_SMRAM_HOB_DESCRIPTOR_BLOCK *SmramHobDescriptorBlock;
+ UINT64 Base;
+ UINT64 Length;
+ UINTN Index;
+
+ DEBUG ((DEBUG_INFO, "==== TestPointCheckSmramHob - Enter\n"));
+ Hob.Raw = GetHobList ();
+ DEBUG ((DEBUG_INFO, "SMRAM HOB\n"));
+ while (!END_OF_HOB_LIST (Hob)) {
+ if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
+ if (CompareGuid (&Hob.Guid->Name, &gEfiSmmPeiSmramMemoryReserveGuid)) {
+ SmramHobDescriptorBlock = (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK *) (Hob.Guid + 1);
+ DumpSmramDescriptor (SmramHobDescriptorBlock->NumberOfSmmReservedRegions, SmramHobDescriptorBlock->Descriptor);
+ break;
+ }
+ }
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ }
+ DEBUG ((DEBUG_INFO, "==== TestPointCheckSmramHob - Exit\n"));
+
+ Base = 0;
+ Length = 0;
+ Hob.Raw = GetHobList ();
+ while (!END_OF_HOB_LIST (Hob)) {
+ if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
+ if (CompareGuid (&Hob.Guid->Name, &gEfiSmmPeiSmramMemoryReserveGuid)) {
+ SmramHobDescriptorBlock = (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK *) (Hob.Guid + 1);
+ for (Index = 0; Index < SmramHobDescriptorBlock->NumberOfSmmReservedRegions; Index++) {
+ if (Base == 0) {
+ Base = SmramHobDescriptorBlock->Descriptor[Index].PhysicalStart;
+ Length = SmramHobDescriptorBlock->Descriptor[Index].PhysicalSize;
+ } else {
+ if (Base + Length == SmramHobDescriptorBlock->Descriptor[Index].PhysicalStart) {
+ Length = Length + SmramHobDescriptorBlock->Descriptor[Index].PhysicalSize;
+ } else if (SmramHobDescriptorBlock->Descriptor[Index].PhysicalStart + SmramHobDescriptorBlock->Descriptor[Index].PhysicalSize == Base) {
+ Base = SmramHobDescriptorBlock->Descriptor[Index].PhysicalStart;
+ Length = Length + SmramHobDescriptorBlock->Descriptor[Index].PhysicalSize;
+ } else {
+ DEBUG ((DEBUG_ERROR, "SmramHob is not adjacent\n"));
+ TestPointLibAppendErrorString (
+ PLATFORM_TEST_POINT_ROLE_PLATFORM_IBV,
+ NULL,
+ TEST_POINT_BYTE1_END_OF_PEI_SYSTEM_RESOURCE_FUNCTIONAL_ERROR_CODE \
+ TEST_POINT_END_OF_PEI \
+ TEST_POINT_BYTE1_END_OF_PEI_SYSTEM_RESOURCE_FUNCTIONAL_ERROR_STRING
+ );
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ }
+ break;
+ }
+ }
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ }
+
+ if (Length != GetPowerOfTwo64 (Length)) {
+ DEBUG ((DEBUG_ERROR, "SmramHob is not aligned\n"));
+ TestPointLibAppendErrorString (
+ PLATFORM_TEST_POINT_ROLE_PLATFORM_IBV,
+ NULL,
+ TEST_POINT_BYTE1_MEMORY_DISCOVERED_MEMORY_RESOURCE_FUNCTIONAL_ERROR_CODE \
+ TEST_POINT_MEMORY_DISCOVERED \
+ TEST_POINT_BYTE1_MEMORY_DISCOVERED_MEMORY_RESOURCE_FUNCTIONAL_ERROR_STRING
+ );
+ return EFI_INVALID_PARAMETER;
+ }
+ return EFI_SUCCESS;
+}
+#endif
+
+EFI_STATUS
+TestPointCheckSmmInfoPei (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ PEI_SMM_ACCESS_PPI *SmmAccess;
+ UINTN Size;
+ EFI_SMRAM_DESCRIPTOR *SmramRanges;
+
+ DEBUG ((DEBUG_INFO, "==== TestPointCheckSmmInfoPei - Enter\n"));
+
+ Status = PeiServicesLocatePpi (&gPeiSmmAccessPpiGuid, 0, NULL, (VOID **)&SmmAccess);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_SUCCESS;
+ goto Done ;
+ }
+
+ Size = 0;
+ Status = SmmAccess->GetCapabilities ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, &Size, NULL);
+ ASSERT (Status == EFI_BUFFER_TOO_SMALL);
+
+ SmramRanges = (EFI_SMRAM_DESCRIPTOR *) AllocateZeroPool (Size);
+ ASSERT (SmramRanges != NULL);
+
+ Status = SmmAccess->GetCapabilities ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, &Size, SmramRanges);
+ ASSERT_EFI_ERROR (Status);
+
+ DEBUG ((DEBUG_INFO, "SMRAM Info\n"));
+ DumpSmramDescriptor (Size / sizeof (EFI_SMRAM_DESCRIPTOR), SmramRanges);
+
+ Status = CheckSmramDescriptor (Size / sizeof (EFI_SMRAM_DESCRIPTOR), SmramRanges);
+
+ FreePool (SmramRanges);
+
+Done:
+ DEBUG ((DEBUG_INFO, "==== TestPointCheckSmmInfoPei - Exit\n"));
+
+ return Status;
+}
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