diff options
| author | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-11-19 03:06:02 +0000 |
|---|---|---|
| committer | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-11-19 03:06:02 +0000 |
| commit | c2efc4b0600d864c75e6ee27d98efee6992b03f5 (patch) | |
| tree | e9e83b10dc27de0196e770bbaf3176fe2c58eae7 /MdeModulePkg/Core/DxeIplPeim | |
| parent | b21f3994c71b107396e247003676c6512979d239 (diff) | |
| download | edk2-platforms-c2efc4b0600d864c75e6ee27d98efee6992b03f5.tar.xz | |
Split Ebc from x64 implementation since x64 version supports to create x64 mode page tables in memory.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6618 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Core/DxeIplPeim')
| -rw-r--r-- | MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf | 6 | ||||
| -rw-r--r-- | MdeModulePkg/Core/DxeIplPeim/Ebc/DxeLoadFunc.c | 73 |
2 files changed, 78 insertions, 1 deletions
diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf index 94dfcab7a3..b0117e3ebf 100644 --- a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf +++ b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf @@ -45,7 +45,7 @@ Ia32/IdtVectorAsm.asm
Ia32/IdtVectorAsm.S | GCC
-[Sources.X64, Sources.EBC]
+[Sources.X64]
X64/VirtualMemory.h
X64/VirtualMemory.c
X64/DxeLoadFunc.c
@@ -55,6 +55,10 @@ Ipf/DxeLoadFunc.c
Ipf/ImageRead.c
+[Sources.EBC]
+ Ebc/DxeLoadFunc.c
+ Ia32/ImageRead.c
+
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
diff --git a/MdeModulePkg/Core/DxeIplPeim/Ebc/DxeLoadFunc.c b/MdeModulePkg/Core/DxeIplPeim/Ebc/DxeLoadFunc.c new file mode 100644 index 0000000000..51055e157a --- /dev/null +++ b/MdeModulePkg/Core/DxeIplPeim/Ebc/DxeLoadFunc.c @@ -0,0 +1,73 @@ +/** @file
+ x64-specifc functionality for DxeLoad.
+
+Copyright (c) 2006 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "DxeIpl.h"
+
+
+
+/**
+ Transfers control to DxeCore.
+
+ This function performs a CPU architecture specific operations to execute
+ the entry point of DxeCore with the parameters of HobList.
+ It also intalls EFI_END_OF_PEI_PPI to signal the end of PEI phase.
+
+ @param DxeCoreEntryPoint The entrypoint of DxeCore.
+ @param HobList The start of HobList passed to DxeCore.
+
+**/
+VOID
+HandOffToDxeCore (
+ IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint,
+ IN EFI_PEI_HOB_POINTERS HobList
+ )
+{
+ VOID *BaseOfStack;
+ VOID *TopOfStack;
+ EFI_STATUS Status;
+
+ //
+ // Allocate 128KB for the Stack
+ //
+ BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (STACK_SIZE));
+ ASSERT (BaseOfStack != NULL);
+
+ //
+ // Compute the top of the stack we were allocated. Pre-allocate a UINTN
+ // for safety.
+ //
+ TopOfStack = (VOID *) ((UINTN) BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT);
+ TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
+
+ //
+ // End of PEI phase singal
+ //
+ Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
+ //
+ UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN) BaseOfStack, STACK_SIZE);
+
+ //
+ // Transfer the control to the entry point of DxeCore.
+ //
+ SwitchStack (
+ (SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
+ HobList.Raw,
+ NULL,
+ TopOfStack
+ );
+}
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