Merge Temporary Ram support patch.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4782 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2
2008-02-29 18:24:43 +00:00
parent bc4cb041a3
commit 58dcdada56
19 changed files with 667 additions and 390 deletions

View File

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

View File

@@ -31,6 +31,7 @@ Abstract:
#include <Ppi/NtThunk.h>
#include <Ppi/StatusCode.h>
#include <Ppi/NtFwh.h>
#include <Ppi/TemporaryRamSupport.h>
#include <Library/PcdLib.h>
#include <Library/DebugLib.h>
#include <Library/PrintLib.h>
@@ -576,6 +577,14 @@ SecNt32PeCoffUnloadimage (
IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
);
EFI_STATUS
EFIAPI
SecTemporaryRamSupport (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
IN UINTN CopySize
);
typedef struct {
EFI_PEI_PE_COFF_LOADER_PROTOCOL PeCoff;

View File

@@ -33,6 +33,7 @@
WinNtThunk.c
FwVol.c
SecMain.c
Stack.asm
[Packages]
MdePkg/MdePkg.dec
@@ -58,6 +59,7 @@
gNtFwhPpiGuid # PPI ALWAYS_PRODUCED
gPeiNtAutoScanPpiGuid # PPI ALWAYS_PRODUCED
gPeiNtThunkPpiGuid # PPI ALWAYS_PRODUCED
gEfiTemporaryRamSupportPpiGuid
[FixedPcd.common]
@@ -69,4 +71,6 @@
[BuildOptions.common]
MSFT:*_*_IA32_DLINK_FLAGS = /out:"$(BIN_DIR)\SecMain.exe" /base:0x10000000 /pdb:"$(BIN_DIR)\SecMain.pdb" /LIBPATH:"$(VCINSTALLDIR)\Lib" /LIBPATH:"$(VCINSTALLDIR)\PlatformSdk\Lib" /NOLOGO /SUBSYSTEM:CONSOLE /NODEFAULTLIB /IGNORE:4086 /MAP /OPT:REF /DEBUG /MACHINE:I386 /LTCG Kernel32.lib MSVCRTD.lib Gdi32.lib User32.lib Winmm.lib
MSFT:*_*_IA32_CC_FLAGS = /nologo /W4 /WX /Gy /c /D UNICODE /Od /FI$(DEST_DIR_DEBUG)/AutoGen.h /EHs-c- /GF /Gs8192 /Zi /Gm /D _CRT_SECURE_NO_WARNINGS /D _CRT_SECURE_NO_DEPRECATE
MSFT:*_*_IA32_PP_FLAGS = /nologo /E /TC /FI$(DEST_DIR_DEBUG)/AutoGen.h
MSFT:*_*_IA32_ASM_FLAGS = /nologo /W3 /WX /c /coff /Cx /Zd /W0 /Zi
MSFT:*_*_IA32_ASMLINK_FLAGS = /link /nologo /tiny

94
Nt32Pkg/Sec/Stack.asm Normal file
View File

@@ -0,0 +1,94 @@
;------------------------------------------------------------------------------
;
; Copyright (c) 2007, Intel Corporation
; All rights reserved. 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.
;
; Module Name:
;
; Stack.asm
;
; Abstract:
;
; Switch the stack from temporary memory to permenent memory.
;
;------------------------------------------------------------------------------
.586p
.model flat,C
.code
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; SecSwitchStack (
; UINT32 TemporaryMemoryBase,
; UINT32 PermenentMemoryBase
; );
;------------------------------------------------------------------------------
SecSwitchStack PROC
;
; Save three register: eax, ebx, ecx
;
push eax
push ebx
push ecx
push edx
;
; !!CAUTION!! this function address's is pushed into stack after
; migration of whole temporary memory, so need save it to permenent
; memory at first!
;
mov ebx, [esp + 20] ; Save the first parameter
mov ecx, [esp + 24] ; Save the second parameter
;
; Save this function's return address into permenent memory at first.
; Then, Fixup the esp point to permenent memory
;
mov eax, esp
sub eax, ebx
add eax, ecx
mov edx, dword ptr [esp] ; copy pushed register's value to permenent memory
mov dword ptr [eax], edx
mov edx, dword ptr [esp + 4]
mov dword ptr [eax + 4], edx
mov edx, dword ptr [esp + 8]
mov dword ptr [eax + 8], edx
mov edx, dword ptr [esp + 12]
mov dword ptr [eax + 12], edx
mov edx, dword ptr [esp + 16] ; Update this function's return address into permenent memory
mov dword ptr [eax + 16], edx
mov esp, eax ; From now, esp is pointed to permenent memory
;
; Fixup the ebp point to permenent memory
;
mov eax, ebp
sub eax, ebx
add eax, ecx
mov ebp, eax ; From now, ebp is pointed to permenent memory
;
; Fixup callee's ebp point for PeiDispatch
;
mov eax, dword ptr [ebp]
sub eax, ebx
add eax, ecx
mov dword ptr [ebp], eax ; From now, Temporary's PPI caller's stack is in permenent memory
pop edx
pop ecx
pop ebx
pop eax
ret
SecSwitchStack ENDP
END