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| author | Yao, Jiewen <Jiewen.Yao@intel.com> | 2015-07-28 07:26:57 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@Edk2> | 2015-07-28 07:26:57 +0000 |
| commit | 00899456b809b7a0809e92d3e020435eece0effd (patch) | |
| tree | f94621310e7cc08b550e906e64aa35fc5ce1e616 /IntelFspWrapperPkg/FspNotifyDxe/FspNotifyDxe.c | |
| parent | 71a6022f690da06e7453489c2b9158f18b7163f3 (diff) | |
| download | edk2-00899456b809b7a0809e92d3e020435eece0effd.tar.gz edk2-00899456b809b7a0809e92d3e020435eece0effd.tar.bz2 edk2-00899456b809b7a0809e92d3e020435eece0effd.zip | |
FspNotifyDxe need handle >4G memory.
The FSP API is always 32bit, but FspNotifyDxe might load to >4G memory. In order to make thunk work, we need reload FspNotifyDxe to <4G memory.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <Jiewen.Yao@intel.com>
Reviewed-by: "Mudusuru, Giri P" <giri.p.mudusuru@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18094 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFspWrapperPkg/FspNotifyDxe/FspNotifyDxe.c')
| -rw-r--r-- | IntelFspWrapperPkg/FspNotifyDxe/FspNotifyDxe.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/IntelFspWrapperPkg/FspNotifyDxe/FspNotifyDxe.c b/IntelFspWrapperPkg/FspNotifyDxe/FspNotifyDxe.c index f8e8e826f1..1a1e4e6258 100644 --- a/IntelFspWrapperPkg/FspNotifyDxe/FspNotifyDxe.c +++ b/IntelFspWrapperPkg/FspNotifyDxe/FspNotifyDxe.c @@ -23,6 +23,22 @@ #include <Library/UefiLib.h>
#include <Library/FspApiLib.h>
+/**
+ Relocate this image under 4G memory.
+
+ @param ImageHandle Handle of driver image.
+ @param SystemTable Pointer to system table.
+
+ @retval EFI_SUCCESS Image successfully relocated.
+ @retval EFI_ABORTED Failed to relocate image.
+
+**/
+EFI_STATUS
+RelocateImageUnder4GIfNeeded (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
FSP_INFO_HEADER *mFspHeader = NULL;
/**
@@ -120,6 +136,14 @@ FspDxeEntryPoint ( VOID *Registration;
EFI_EVENT ProtocolNotifyEvent;
+ //
+ // Load this driver's image to memory
+ //
+ Status = RelocateImageUnder4GIfNeeded (ImageHandle, SystemTable);
+ if (EFI_ERROR (Status)) {
+ return EFI_SUCCESS;
+ }
+
if (PcdGet32 (PcdFlashFvSecondFspBase) == 0) {
mFspHeader = FspFindFspHeader (PcdGet32 (PcdFlashFvFspBase));
} else {
|