/** @file\r
Agent Module to load other modules to deploy SMM Entry Vector for X86 CPU.\r
\r
-Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r
\r
This program and the accompanying materials\r
SmmWriteSaveState\r
};\r
\r
+///\r
+/// SMM Memory Attribute Protocol instance\r
+///\r
+EDKII_SMM_MEMORY_ATTRIBUTE_PROTOCOL mSmmMemoryAttribute = {\r
+ EdkiiSmmGetMemoryAttributes,\r
+ EdkiiSmmSetMemoryAttributes,\r
+ EdkiiSmmClearMemoryAttributes\r
+};\r
+\r
EFI_CPU_INTERRUPT_HANDLER mExternalVectorTable[EXCEPTION_VECTOR_NUMBER];\r
\r
//\r
//\r
SPIN_LOCK *mConfigSmmCodeAccessCheckLock = NULL;\r
\r
+//\r
+// Saved SMM ranges information\r
+//\r
+EFI_SMRAM_DESCRIPTOR *mSmmCpuSmramRanges;\r
+UINTN mSmmCpuSmramRangeCount;\r
+\r
+UINT8 mPhysicalAddressBits;\r
+\r
/**\r
Initialize IDT to setup exception handlers for SMM.\r
\r
)\r
{\r
UINTN Pe32Data;\r
- EFI_IMAGE_DOS_HEADER *DosHdr;\r
- EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r
VOID *PdbPointer;\r
- UINT64 DumpIpAddress;\r
\r
//\r
// Find Image Base\r
//\r
- Pe32Data = CallerIpAddress & ~(SIZE_4KB - 1);\r
- while (Pe32Data != 0) {\r
- DosHdr = (EFI_IMAGE_DOS_HEADER *) Pe32Data;\r
- if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
- //\r
- // DOS image header is present, so read the PE header after the DOS image header.\r
- //\r
- Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)(Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
- //\r
- // Make sure PE header address does not overflow and is less than the initial address.\r
- //\r
- if (((UINTN)Hdr.Pe32 > Pe32Data) && ((UINTN)Hdr.Pe32 < CallerIpAddress)) {\r
- if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r
- //\r
- // It's PE image.\r
- //\r
- break;\r
- }\r
- }\r
- }\r
-\r
- //\r
- // Not found the image base, check the previous aligned address\r
- //\r
- Pe32Data -= SIZE_4KB;\r
- }\r
-\r
- DumpIpAddress = CallerIpAddress;\r
- DEBUG ((EFI_D_ERROR, "It is invoked from the instruction before IP(0x%lx)", DumpIpAddress));\r
-\r
+ Pe32Data = PeCoffSearchImageBase (CallerIpAddress);\r
if (Pe32Data != 0) {\r
+ DEBUG ((DEBUG_ERROR, "It is invoked from the instruction before IP(0x%p)", (VOID *) CallerIpAddress));\r
PdbPointer = PeCoffLoaderGetPdbPointer ((VOID *) Pe32Data);\r
if (PdbPointer != NULL) {\r
- DEBUG ((EFI_D_ERROR, " in module (%a)", PdbPointer));\r
+ DEBUG ((DEBUG_ERROR, " in module (%a)\n", PdbPointer));\r
}\r
}\r
}\r
// Patch ASM code template with current CR0, CR3, and CR4 values\r
//\r
gSmmCr0 = (UINT32)AsmReadCr0 ();\r
- gSmmCr3 = (UINT32)AsmReadCr3 ();\r
+ PatchInstructionX86 (gPatchSmmCr3, AsmReadCr3 (), 4);\r
gSmmCr4 = (UINT32)AsmReadCr4 ();\r
\r
//\r
UINTN ModelId;\r
UINT32 Cr3;\r
\r
+ //\r
+ // Initialize address fixup\r
+ //\r
+ PiSmmCpuSmmInitFixupAddress ();\r
+ PiSmmCpuSmiEntryFixupAddress ();\r
+\r
//\r
// Initialize Debug Agent to support source level debug in SMM code\r
//\r
);\r
ASSERT_EFI_ERROR (Status);\r
\r
+ //\r
+ // Install the SMM Memory Attribute Protocol into SMM protocol database\r
+ //\r
+ Status = gSmst->SmmInstallProtocolInterface (\r
+ &mSmmCpuHandle,\r
+ &gEdkiiSmmMemoryAttributeProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ &mSmmMemoryAttribute\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
//\r
// Expose address of CPU Hot Plug Data structure if CPU hot plug is supported.\r
//\r
UINTN Size;\r
EFI_SMM_ACCESS2_PROTOCOL *SmmAccess;\r
EFI_SMRAM_DESCRIPTOR *CurrentSmramRange;\r
- EFI_SMRAM_DESCRIPTOR *SmramRanges;\r
- UINTN SmramRangeCount;\r
UINTN Index;\r
UINT64 MaxSize;\r
BOOLEAN Found;\r
Status = SmmAccess->GetCapabilities (SmmAccess, &Size, NULL);\r
ASSERT (Status == EFI_BUFFER_TOO_SMALL);\r
\r
- SmramRanges = (EFI_SMRAM_DESCRIPTOR *)AllocatePool (Size);\r
- ASSERT (SmramRanges != NULL);\r
+ mSmmCpuSmramRanges = (EFI_SMRAM_DESCRIPTOR *)AllocatePool (Size);\r
+ ASSERT (mSmmCpuSmramRanges != NULL);\r
\r
- Status = SmmAccess->GetCapabilities (SmmAccess, &Size, SmramRanges);\r
+ Status = SmmAccess->GetCapabilities (SmmAccess, &Size, mSmmCpuSmramRanges);\r
ASSERT_EFI_ERROR (Status);\r
\r
- SmramRangeCount = Size / sizeof (EFI_SMRAM_DESCRIPTOR);\r
+ mSmmCpuSmramRangeCount = Size / sizeof (EFI_SMRAM_DESCRIPTOR);\r
\r
//\r
// Find the largest SMRAM range between 1MB and 4GB that is at least 256K - 4K in size\r
//\r
CurrentSmramRange = NULL;\r
- for (Index = 0, MaxSize = SIZE_256KB - EFI_PAGE_SIZE; Index < SmramRangeCount; Index++) {\r
+ for (Index = 0, MaxSize = SIZE_256KB - EFI_PAGE_SIZE; Index < mSmmCpuSmramRangeCount; Index++) {\r
//\r
// Skip any SMRAM region that is already allocated, needs testing, or needs ECC initialization\r
//\r
- if ((SmramRanges[Index].RegionState & (EFI_ALLOCATED | EFI_NEEDS_TESTING | EFI_NEEDS_ECC_INITIALIZATION)) != 0) {\r
+ if ((mSmmCpuSmramRanges[Index].RegionState & (EFI_ALLOCATED | EFI_NEEDS_TESTING | EFI_NEEDS_ECC_INITIALIZATION)) != 0) {\r
continue;\r
}\r
\r
- if (SmramRanges[Index].CpuStart >= BASE_1MB) {\r
- if ((SmramRanges[Index].CpuStart + SmramRanges[Index].PhysicalSize) <= BASE_4GB) {\r
- if (SmramRanges[Index].PhysicalSize >= MaxSize) {\r
- MaxSize = SmramRanges[Index].PhysicalSize;\r
- CurrentSmramRange = &SmramRanges[Index];\r
+ if (mSmmCpuSmramRanges[Index].CpuStart >= BASE_1MB) {\r
+ if ((mSmmCpuSmramRanges[Index].CpuStart + mSmmCpuSmramRanges[Index].PhysicalSize) <= SMRR_MAX_ADDRESS) {\r
+ if (mSmmCpuSmramRanges[Index].PhysicalSize >= MaxSize) {\r
+ MaxSize = mSmmCpuSmramRanges[Index].PhysicalSize;\r
+ CurrentSmramRange = &mSmmCpuSmramRanges[Index];\r
}\r
}\r
}\r
\r
do {\r
Found = FALSE;\r
- for (Index = 0; Index < SmramRangeCount; Index++) {\r
- if (SmramRanges[Index].CpuStart < *SmrrBase && *SmrrBase == (SmramRanges[Index].CpuStart + SmramRanges[Index].PhysicalSize)) {\r
- *SmrrBase = (UINT32)SmramRanges[Index].CpuStart;\r
- *SmrrSize = (UINT32)(*SmrrSize + SmramRanges[Index].PhysicalSize);\r
+ for (Index = 0; Index < mSmmCpuSmramRangeCount; Index++) {\r
+ if (mSmmCpuSmramRanges[Index].CpuStart < *SmrrBase &&\r
+ *SmrrBase == (mSmmCpuSmramRanges[Index].CpuStart + mSmmCpuSmramRanges[Index].PhysicalSize)) {\r
+ *SmrrBase = (UINT32)mSmmCpuSmramRanges[Index].CpuStart;\r
+ *SmrrSize = (UINT32)(*SmrrSize + mSmmCpuSmramRanges[Index].PhysicalSize);\r
Found = TRUE;\r
- } else if ((*SmrrBase + *SmrrSize) == SmramRanges[Index].CpuStart && SmramRanges[Index].PhysicalSize > 0) {\r
- *SmrrSize = (UINT32)(*SmrrSize + SmramRanges[Index].PhysicalSize);\r
+ } else if ((*SmrrBase + *SmrrSize) == mSmmCpuSmramRanges[Index].CpuStart && mSmmCpuSmramRanges[Index].PhysicalSize > 0) {\r
+ *SmrrSize = (UINT32)(*SmrrSize + mSmmCpuSmramRanges[Index].PhysicalSize);\r
Found = TRUE;\r
}\r
}\r
} while (Found);\r
\r
- FreePool (SmramRanges);\r
DEBUG ((EFI_D_INFO, "SMRR Base: 0x%x, SMRR Size: 0x%x\n", *SmrrBase, *SmrrSize));\r
}\r
\r
//\r
for (Index = 0; Index < gSmst->NumberOfCpus; Index++) {\r
if (Index != gSmmCpuPrivate->SmmCoreEntryContext.CurrentlyExecutingCpu) {\r
-\r
+ if (gSmmCpuPrivate->ProcessorInfo[Index].ProcessorId == INVALID_APIC_ID) {\r
+ //\r
+ // If this processor does not exist\r
+ //\r
+ continue;\r
+ }\r
//\r
// Acquire Config SMM Code Access Check spin lock. The AP will release the\r
// spin lock when it is done executing ConfigSmmCodeAccessCheckOnCurrentProcessor().\r
projects / mirror_edk2.git / blobdiff