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Diffstat (limited to 'CorebootModulePkg/SecCore/SecMain.c')
-rw-r--r--CorebootModulePkg/SecCore/SecMain.c291
1 files changed, 0 insertions, 291 deletions
diff --git a/CorebootModulePkg/SecCore/SecMain.c b/CorebootModulePkg/SecCore/SecMain.c
deleted file mode 100644
index 7ce0463d98..0000000000
--- a/CorebootModulePkg/SecCore/SecMain.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/** @file
- C funtions in SEC
-
-Copyright (c) 2013, 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
-which 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 "SecMain.h"
-
-EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI gSecTemporaryRamSupportPpi = {
- SecTemporaryRamSupport
-};
-
-EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformationPpi[] = {
- {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiTemporaryRamSupportPpiGuid,
- &gSecTemporaryRamSupportPpi
- }
-};
-
-//
-// These are IDT entries pointing to 10:FFFFFFE4h.
-//
-UINT64 mIdtEntryTemplate = 0xffff8e000010ffe4ULL;
-
-/**
- Caller provided function to be invoked at the end of InitializeDebugAgent().
-
- Entry point to the C language phase of SEC. After the SEC assembly
- code has initialized some temporary memory and set up the stack,
- the control is transferred to this function.
-
- @param[in] Context The first input parameter of InitializeDebugAgent().
-
-**/
-VOID
-EFIAPI
-SecStartupPhase2(
- IN VOID *Context
- );
-
-
-/**
-
- Entry point to the C language phase of SEC. After the SEC assembly
- code has initialized some temporary memory and set up the stack,
- the control is transferred to this function.
-
-
- @param SizeOfRam Size of the temporary memory available for use.
- @param TempRamBase Base address of tempory ram
- @param BootFirmwareVolume Base address of the Boot Firmware Volume.
-**/
-VOID
-EFIAPI
-SecStartup (
- IN UINT32 SizeOfRam,
- IN UINT32 TempRamBase,
- IN VOID *BootFirmwareVolume
- )
-{
- EFI_SEC_PEI_HAND_OFF SecCoreData;
- IA32_DESCRIPTOR IdtDescriptor;
- SEC_IDT_TABLE IdtTableInStack;
- UINT32 Index;
- UINT32 PeiStackSize;
-
- PeiStackSize = (SizeOfRam >> 1);
-
- ASSERT (PeiStackSize < SizeOfRam);
-
- //
- // Process all libraries constructor function linked to SecCore.
- //
- ProcessLibraryConstructorList ();
-
- //
- // Initialize floating point operating environment
- // to be compliant with UEFI spec.
- //
- InitializeFloatingPointUnits ();
-
-
- // |-------------------|---->
- // |Idt Table |
- // |-------------------|
- // |PeiService Pointer | PeiStackSize
- // |-------------------|
- // | |
- // | Stack |
- // |-------------------|---->
- // | |
- // | |
- // | Heap | PeiTemporayRamSize
- // | |
- // | |
- // |-------------------|----> TempRamBase
-
- IdtTableInStack.PeiService = 0;
- for (Index = 0; Index < SEC_IDT_ENTRY_COUNT; Index ++) {
- CopyMem ((VOID*)&IdtTableInStack.IdtTable[Index], (VOID*)&mIdtEntryTemplate, sizeof (UINT64));
- }
-
- IdtDescriptor.Base = (UINTN) &IdtTableInStack.IdtTable;
- IdtDescriptor.Limit = (UINT16)(sizeof (IdtTableInStack.IdtTable) - 1);
-
- AsmWriteIdtr (&IdtDescriptor);
-
- //
- // Update the base address and length of Pei temporary memory
- //
- SecCoreData.DataSize = (UINT16) sizeof (EFI_SEC_PEI_HAND_OFF);
- SecCoreData.BootFirmwareVolumeBase = BootFirmwareVolume;
- SecCoreData.BootFirmwareVolumeSize = (UINTN)(0x100000000ULL - (UINTN) BootFirmwareVolume);
- SecCoreData.TemporaryRamBase = (VOID*)(UINTN) TempRamBase;
- SecCoreData.TemporaryRamSize = SizeOfRam;
- SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;
- SecCoreData.PeiTemporaryRamSize = SizeOfRam - PeiStackSize;
- SecCoreData.StackBase = (VOID*)(UINTN)(TempRamBase + SecCoreData.PeiTemporaryRamSize);
- SecCoreData.StackSize = PeiStackSize;
-
- //
- // Initialize Debug Agent to support source level debug in SEC/PEI phases before memory ready.
- //
- InitializeDebugAgent (DEBUG_AGENT_INIT_PREMEM_SEC, &SecCoreData, SecStartupPhase2);
-
-}
-
-/**
- Caller provided function to be invoked at the end of InitializeDebugAgent().
-
- Entry point to the C language phase of SEC. After the SEC assembly
- code has initialized some temporary memory and set up the stack,
- the control is transferred to this function.
-
- @param[in] Context The first input parameter of InitializeDebugAgent().
-
-**/
-VOID
-EFIAPI
-SecStartupPhase2(
- IN VOID *Context
- )
-{
- EFI_SEC_PEI_HAND_OFF *SecCoreData;
- EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint;
-
- SecCoreData = (EFI_SEC_PEI_HAND_OFF *) Context;
- //
- // Find Pei Core entry point. It will report SEC and Pei Core debug information if remote debug
- // is enabled.
- //
- FindAndReportEntryPoints ((EFI_FIRMWARE_VOLUME_HEADER *) SecCoreData->BootFirmwareVolumeBase, &PeiCoreEntryPoint);
- if (PeiCoreEntryPoint == NULL)
- {
- CpuDeadLoop ();
- }
-
- //
- // Transfer the control to the PEI core
- //
- ASSERT (PeiCoreEntryPoint != NULL);
- (*PeiCoreEntryPoint) (SecCoreData, (EFI_PEI_PPI_DESCRIPTOR *)&mPeiSecPlatformInformationPpi);
-
- //
- // Should not come here.
- //
- return ;
-}
-
-/**
- This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
- permanent memory.
-
- @param PeiServices Pointer to the PEI Services Table.
- @param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
- Temporary RAM contents.
- @param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
- Temporary RAM contents.
- @param CopySize Amount of memory to migrate from temporary to permanent memory.
-
- @retval EFI_SUCCESS The data was successfully returned.
- @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
- TemporaryMemoryBase > PermanentMemoryBase.
-
-**/
-EFI_STATUS
-EFIAPI
-SecTemporaryRamSupport (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
- IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
- IN UINTN CopySize
- )
-{
- IA32_DESCRIPTOR IdtDescriptor;
- VOID* OldHeap;
- VOID* NewHeap;
- VOID* OldStack;
- VOID* NewStack;
- DEBUG_AGENT_CONTEXT_POSTMEM_SEC DebugAgentContext;
- BOOLEAN OldStatus;
- UINTN PeiStackSize;
-
- PeiStackSize = (CopySize >> 1);
-
- ASSERT (PeiStackSize < CopySize);
-
- //
- // |-------------------|---->
- // | Stack | PeiStackSize
- // |-------------------|---->
- // | Heap | PeiTemporayRamSize
- // |-------------------|----> TempRamBase
- //
- // |-------------------|---->
- // | Heap | PeiTemporayRamSize
- // |-------------------|---->
- // | Stack | PeiStackSize
- // |-------------------|----> PermanentMemoryBase
- //
-
- OldHeap = (VOID*)(UINTN)TemporaryMemoryBase;
- NewHeap = (VOID*)((UINTN)PermanentMemoryBase + PeiStackSize);
-
- OldStack = (VOID*)((UINTN)TemporaryMemoryBase + CopySize - PeiStackSize);
- NewStack = (VOID*)(UINTN)PermanentMemoryBase;
-
- DebugAgentContext.HeapMigrateOffset = (UINTN)NewHeap - (UINTN)OldHeap;
- DebugAgentContext.StackMigrateOffset = (UINTN)NewStack - (UINTN)OldStack;
-
- OldStatus = SaveAndSetDebugTimerInterrupt (FALSE);
- //
- // Initialize Debug Agent to support source level debug in PEI phase after memory ready.
- // It will build HOB and fix up the pointer in IDT table.
- //
- InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC, (VOID *) &DebugAgentContext, NULL);
-
- //
- // Migrate Heap
- //
- CopyMem (NewHeap, OldHeap, CopySize - PeiStackSize);
-
- //
- // Migrate Stack
- //
- CopyMem (NewStack, OldStack, PeiStackSize);
-
-
- //
- // We need *not* fix the return address because currently,
- // The PeiCore is executed in flash.
- //
-
- //
- // Rebase IDT table in permanent memory
- //
- AsmReadIdtr (&IdtDescriptor);
- IdtDescriptor.Base = IdtDescriptor.Base - (UINTN)OldStack + (UINTN)NewStack;
-
- AsmWriteIdtr (&IdtDescriptor);
-
-
- //
- // Program MTRR
- //
-
- //
- // SecSwitchStack function must be invoked after the memory migration
- // immediatly, also we need fixup the stack change caused by new call into
- // permenent memory.
- //
- SecSwitchStack (
- (UINT32) (UINTN) OldStack,
- (UINT32) (UINTN) NewStack
- );
-
- SaveAndSetDebugTimerInterrupt (OldStatus);
-
- return EFI_SUCCESS;
-}
-
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