-/*++\r
+/**@file\r
\r
Copyright (c) 2006, Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
This code produces 128 K of temporary memory for the PEI stack by directly\r
allocate memory space with ReadWrite and Execute attribute.\r
\r
---*/\r
+**/\r
\r
#include "SecMain.h"\r
\r
\r
NT_FWH_PPI mSecFwhInformationPpi = { SecWinNtFdAddress };\r
\r
+TEMPORARY_RAM_SUPPORT_PPI mSecTemporaryRamSupportPpi = {SecTemporaryRamSupport};\r
\r
EFI_PEI_PPI_DESCRIPTOR gPrivateDispatchTable[] = {\r
{\r
&gEfiPeiStatusCodePpiGuid,\r
&mSecStatusCodePpi\r
},\r
+ {\r
+ EFI_PEI_PPI_DESCRIPTOR_PPI,\r
+ &gEfiTemporaryRamSupportPpiGuid,\r
+ &mSecTemporaryRamSupportPpi\r
+ },\r
{\r
EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
&gNtFwhPpiGuid,\r
PDB_NAME_TO_MOD_HANDLE *mPdbNameModHandleArray = NULL;\r
\r
\r
-\r
+VOID\r
+EFIAPI\r
+SecSwitchStack (\r
+ UINT32 TemporaryMemoryBase,\r
+ UINT32 PermenentMemoryBase\r
+ );\r
\r
INTN\r
EFIAPI\r
UINTN Index;\r
UINTN Index1;\r
UINTN Index2;\r
- UINTN PeiIndex;\r
CHAR16 *FileName;\r
CHAR16 *FileNamePtr;\r
BOOLEAN Done;\r
gSystemMemoryCount = CountSeperatorsInString (MemorySizeStr, '!') + 1;\r
gSystemMemory = calloc (gSystemMemoryCount, sizeof (NT_SYSTEM_MEMORY));\r
if (gSystemMemory == NULL) {\r
- printf ("ERROR : Can not allocate memory for %s. Exiting.\n", MemorySizeStr);\r
+ wprintf (L"ERROR : Can not allocate memory for %s. Exiting.\n", MemorySizeStr);\r
exit (1);\r
}\r
//\r
gFdInfoCount = CountSeperatorsInString (FirmwareVolumesStr, '!') + 1;\r
gFdInfo = calloc (gFdInfoCount, sizeof (NT_FD_INFO));\r
if (gFdInfo == NULL) {\r
- printf ("ERROR : Can not allocate memory for %s. Exiting.\n", FirmwareVolumesStr);\r
+ wprintf (L"ERROR : Can not allocate memory for %s. Exiting.\n", FirmwareVolumesStr);\r
exit (1);\r
}\r
//\r
*StackPointer = 0x5AA55AA5;\r
}\r
\r
- printf (" SEC passing in %d bytes of temp RAM to PEI\n", InitialStackMemorySize);\r
+ wprintf (L" SEC passing in %d bytes of temp RAM to PEI\n", InitialStackMemorySize);\r
\r
//\r
// Open All the firmware volumes and remember the info in the gFdInfo global\r
\r
StrCpy (FileNamePtr, (CHAR16*)FirmwareVolumesStr);\r
\r
- for (Done = FALSE, Index = 0, PeiIndex = 0, PeiCoreFile = NULL; !Done; Index++) {\r
+ for (Done = FALSE, Index = 0, PeiCoreFile = NULL; !Done; Index++) {\r
FileName = FileNamePtr;\r
for (Index1 = 0; (FileNamePtr[Index1] != '!') && (FileNamePtr[Index1] != 0); Index1++)\r
;\r
&gFdInfo[Index].Size\r
);\r
if (EFI_ERROR (Status)) {\r
- printf ("ERROR : Can not open Firmware Device File %S (%r). Exiting.\n", FileName, Status);\r
+ printf ("ERROR : Can not open Firmware Device File %S (0x%X). Exiting.\n", FileName, Status);\r
exit (1);\r
}\r
\r
//\r
Status = SecFfsFindPeiCore ((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) gFdInfo[Index].Address, &PeiCoreFile);\r
if (!EFI_ERROR (Status)) {\r
- PeiIndex = Index;\r
printf (" contains SEC Core");\r
}\r
}\r
//\r
// Processes ASSERT ()\r
//\r
- printf ("ASSERT %s(%d): %s\n", Filename, LineNumber, Description);\r
+ printf ("ASSERT %s(%d): %s\n", Filename, (int)LineNumber, Description);\r
\r
} else if (ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) {\r
//\r
--*/\r
{\r
EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS TopOfMemory;\r
VOID *TopOfStack;\r
UINT64 PeiCoreSize;\r
EFI_PHYSICAL_ADDRESS PeiCoreEntryPoint;\r
EFI_PHYSICAL_ADDRESS PeiImageAddress;\r
EFI_SEC_PEI_HAND_OFF *SecCoreData;\r
+ UINTN PeiStackSize;\r
\r
//\r
// Compute Top Of Memory for Stack and PEI Core Allocations\r
//\r
- TopOfMemory = LargestRegion + LargestRegionSize;\r
+ PeiStackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1);\r
\r
//\r
- // Allocate 128KB for the Stack\r
+ // |-----------| <---- TemporaryRamBase + TemporaryRamSize\r
+ // | Heap |\r
+ // | |\r
+ // |-----------| <---- StackBase / PeiTemporaryMemoryBase\r
+ // | |\r
+ // | Stack |\r
+ // |-----------| <---- TemporaryRamBase\r
+ // \r
+ TopOfStack = (VOID *)(LargestRegion + PeiStackSize);\r
+\r
//\r
- TopOfStack = (VOID *)((UINTN)TopOfMemory - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT);\r
+ // Reservet space for storing PeiCore's parament in stack.\r
+ // \r
+ TopOfStack = (VOID *)((UINTN)TopOfStack - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT);\r
TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r
- TopOfMemory = TopOfMemory - STACK_SIZE;\r
\r
//\r
// Patch value in dispatch table values\r
SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);\r
SecCoreData->BootFirmwareVolumeBase = (VOID*)BootFirmwareVolumeBase;\r
SecCoreData->BootFirmwareVolumeSize = FixedPcdGet32(PcdWinNtFirmwareFdSize);\r
- SecCoreData->TemporaryRamBase = (VOID*)(UINTN)TopOfMemory; \r
+ SecCoreData->TemporaryRamBase = (VOID*)(UINTN)LargestRegion; \r
SecCoreData->TemporaryRamSize = STACK_SIZE;\r
- SecCoreData->PeiTemporaryRamBase = SecCoreData->TemporaryRamBase;\r
- SecCoreData->PeiTemporaryRamSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1);\r
- SecCoreData->StackBase = (VOID*)((UINTN)SecCoreData->TemporaryRamBase + (UINTN)SecCoreData->TemporaryRamSize);\r
- SecCoreData->StackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1);\r
+ SecCoreData->StackBase = SecCoreData->TemporaryRamBase;\r
+ SecCoreData->StackSize = PeiStackSize;\r
+ SecCoreData->PeiTemporaryRamBase = (VOID*) ((UINTN) SecCoreData->TemporaryRamBase + PeiStackSize);\r
+ SecCoreData->PeiTemporaryRamSize = STACK_SIZE - PeiStackSize;\r
\r
//\r
// Load the PEI Core from a Firmware Volume\r
\r
UINTN\r
CountSeperatorsInString (\r
- IN const CHAR16 *String,\r
+ IN CONST CHAR16 *String,\r
IN CHAR16 Seperator\r
)\r
/*++\r
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r
)\r
{\r
- EFI_STATUS Status;\r
-\r
- Status = PeCoffLoaderGetImageInfo (ImageContext);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- switch (ImageContext->ImageType) {\r
-\r
- case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r
- ImageContext->ImageCodeMemoryType = EfiLoaderCode;\r
- ImageContext->ImageDataMemoryType = EfiLoaderData;\r
- break;\r
-\r
- case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r
- ImageContext->ImageCodeMemoryType = EfiBootServicesCode;\r
- ImageContext->ImageDataMemoryType = EfiBootServicesData;\r
- break;\r
-\r
- case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r
- case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r
- ImageContext->ImageCodeMemoryType = EfiRuntimeServicesCode;\r
- ImageContext->ImageDataMemoryType = EfiRuntimeServicesData;\r
- break;\r
-\r
- default:\r
- ImageContext->ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM;\r
- return RETURN_UNSUPPORTED;\r
- }\r
-\r
- return Status;\r
+ return PeCoffLoaderGetImageInfo (ImageContext);\r
}\r
\r
EFI_STATUS\r
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r
)\r
{\r
- EFI_STATUS Status;\r
-\r
- Status = PeCoffLoaderLoadImage (ImageContext);\r
- return Status;\r
+ return PeCoffLoaderLoadImage (ImageContext);\r
}\r
\r
EFI_STATUS\r
{\r
}\r
\r
+EFI_STATUS\r
+EFIAPI\r
+SecTemporaryRamSupport (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,\r
+ IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,\r
+ IN UINTN CopySize\r
+ )\r
+{\r
+ //\r
+ // Migrate the whole temporary memory to permenent memory.\r
+ // \r
+ CopyMem (\r
+ (VOID*)(UINTN)PermanentMemoryBase, \r
+ (VOID*)(UINTN)TemporaryMemoryBase, \r
+ CopySize\r
+ );\r
+\r
+ //\r
+ // SecSwitchStack function must be invoked after the memory migration\r
+ // immediatly, also we need fixup the stack change caused by new call into \r
+ // permenent memory.\r
+ // \r
+ SecSwitchStack (\r
+ (UINT32) TemporaryMemoryBase,\r
+ (UINT32) PermanentMemoryBase\r
+ );\r
+\r
+ //\r
+ // We need *not* fix the return address because currently, \r
+ // The PeiCore is excuted in flash.\r
+ //\r
+\r
+ //\r
+ // Simulate to invalid CAR, terminate CAR\r
+ // \r
+ //ZeroMem ((VOID*)(UINTN)TemporaryMemoryBase, CopySize);\r
+ \r
+ return EFI_SUCCESS;\r
+}\r
+\r
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