Merge Temporary Ram support patch.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4782 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -58,6 +58,7 @@ EFI_PEI_PROGRESS_CODE_PPI mSecStatusCodePpi = { SecPeiReport
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NT_FWH_PPI mSecFwhInformationPpi = { SecWinNtFdAddress };
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TEMPORARY_RAM_SUPPORT_PPI mSecTemporaryRamSupportPpi = {SecTemporaryRamSupport};
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EFI_PEI_PPI_DESCRIPTOR gPrivateDispatchTable[] = {
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{
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@@ -85,6 +86,11 @@ EFI_PEI_PPI_DESCRIPTOR gPrivateDispatchTable[] = {
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&gEfiPeiStatusCodePpiGuid,
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&mSecStatusCodePpi
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},
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{
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EFI_PEI_PPI_DESCRIPTOR_PPI,
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&gEfiTemporaryRamSupportPpiGuid,
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&mSecTemporaryRamSupportPpi
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},
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{
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EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
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&gNtFwhPpiGuid,
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@@ -116,7 +122,12 @@ UINTN mPdbNameModHandleArraySize = 0;
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PDB_NAME_TO_MOD_HANDLE *mPdbNameModHandleArray = NULL;
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VOID
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EFIAPI
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SecSwitchStack (
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UINT32 TemporaryMemoryBase,
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UINT32 PermenentMemoryBase
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);
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INTN
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EFIAPI
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@@ -566,18 +577,31 @@ Returns:
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EFI_PHYSICAL_ADDRESS PeiCoreEntryPoint;
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EFI_PHYSICAL_ADDRESS PeiImageAddress;
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EFI_SEC_PEI_HAND_OFF *SecCoreData;
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UINTN PeiStackSize;
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//
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// Compute Top Of Memory for Stack and PEI Core Allocations
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//
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TopOfMemory = LargestRegion + LargestRegionSize;
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TopOfMemory = LargestRegion + LargestRegionSize;
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PeiStackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1);
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//
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// Allocate 128KB for the Stack
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// |-----------| <---- TemporaryRamBase + TemporaryRamSize
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// | Heap |
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// | |
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// |-----------| <---- StackBase / PeiTemporaryMemoryBase
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// | |
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// | Stack |
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// |-----------| <---- TemporaryRamBase
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//
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TopOfStack = (VOID *)(LargestRegion + PeiStackSize);
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TopOfMemory = LargestRegion + PeiStackSize;
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//
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TopOfStack = (VOID *)((UINTN)TopOfMemory - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT);
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// Reservet space for storing PeiCore's parament in stack.
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//
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TopOfStack = (VOID *)((UINTN)TopOfStack - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT);
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TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
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TopOfMemory = TopOfMemory - STACK_SIZE;
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//
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// Patch value in dispatch table values
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@@ -591,12 +615,12 @@ Returns:
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SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);
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SecCoreData->BootFirmwareVolumeBase = (VOID*)BootFirmwareVolumeBase;
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SecCoreData->BootFirmwareVolumeSize = FixedPcdGet32(PcdWinNtFirmwareFdSize);
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SecCoreData->TemporaryRamBase = (VOID*)(UINTN)TopOfMemory;
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SecCoreData->TemporaryRamBase = (VOID*)(UINTN)LargestRegion;
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SecCoreData->TemporaryRamSize = STACK_SIZE;
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SecCoreData->PeiTemporaryRamBase = SecCoreData->TemporaryRamBase;
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SecCoreData->PeiTemporaryRamSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1);
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SecCoreData->StackBase = (VOID*)((UINTN)SecCoreData->TemporaryRamBase + (UINTN)SecCoreData->TemporaryRamSize);
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SecCoreData->StackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1);
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SecCoreData->StackBase = (VOID*) ((UINTN) SecCoreData->TemporaryRamBase + PeiStackSize);
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SecCoreData->StackSize = PeiStackSize;
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SecCoreData->PeiTemporaryRamBase = SecCoreData->StackBase;
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SecCoreData->PeiTemporaryRamSize = STACK_SIZE - PeiStackSize;
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//
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// Load the PEI Core from a Firmware Volume
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@@ -1209,3 +1233,44 @@ _ModuleEntryPoint (
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{
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}
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EFI_STATUS
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EFIAPI
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SecTemporaryRamSupport (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
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IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
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IN UINTN CopySize
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)
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{
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//
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// Migrate the whole temporary memory to permenent memory.
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//
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CopyMem (
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(VOID*)(UINTN)PermanentMemoryBase,
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(VOID*)(UINTN)TemporaryMemoryBase,
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CopySize
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);
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//
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// SecSwitchStack function must be invoked after the memory migration
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// immediatly, also we need fixup the stack change caused by new call into
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// permenent memory.
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//
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SecSwitchStack (
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(UINT32) TemporaryMemoryBase,
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(UINT32) PermanentMemoryBase
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);
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//
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// We need *not* fix the return address because currently,
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// The PeiCore is excuted in flash.
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//
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//
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// Simulate to invalid CAR, terminate CAR
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//
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//ZeroMem ((VOID*)(UINTN)TemporaryMemoryBase, CopySize);
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return EFI_SUCCESS;
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}
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