diff options
| author | Ma, Maurice <maurice.ma@intel.com> | 2015-04-29 03:10:24 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@Edk2> | 2015-04-29 03:10:24 +0000 |
| commit | 3b17b2458726bf7e2cf640d29ebe14f8af587905 (patch) | |
| tree | 464090a50dabe9adb1f014067c6aa78349fab9ad /IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c | |
| parent | 2bf87d82e95ed812504783468da26ea425b2a58b (diff) | |
| download | edk2-platforms-3b17b2458726bf7e2cf640d29ebe14f8af587905.tar.xz | |
Add dual FSP binaries support.
There are two FSP images at different locations in a flash (one factory version is read only and other in updatable version)
TempRamInit, FspMemoryInit and TempRamExit are executed from factory version and FspSiliconInit/NotifyPhase will be executed from updatable version.
Also update FSP specification version to v1.1.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Ma, Maurice" <maurice.ma@intel.com>
Reviewed-by: "Yao, Jiewen" <Jiewen.Yao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17248 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c')
| -rw-r--r-- | IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c b/IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c index f80dff1a56..7de84a0a7e 100644 --- a/IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c +++ b/IntelFspPkg/Library/BaseFspCommonLib/FspCommonLib.c @@ -27,7 +27,7 @@ // API Parameter +0x34
// API return address +0x30
//
-// push offset exit +0x2C
+// push FspInfoHeader +0x2C
// pushfd +0x28
// cli
// pushad +0x24
@@ -47,7 +47,7 @@ typedef struct { UINT32 Ecx;
UINT32 Eax;
UINT16 Flags[2];
- UINT32 ExitOff;
+ UINT32 FspInfoHeader;
UINT32 ApiRet;
UINT32 ApiParam;
} CONTEXT_STACK;
@@ -332,6 +332,23 @@ GetFspInfoHeader ( }
/**
+ This function gets the FSP info header pointer using the API stack context.
+
+ @retval FspInfoHeader FSP info header pointer using the API stack context
+**/
+FSP_INFO_HEADER *
+EFIAPI
+GetFspInfoHeaderFromApiContext (
+ VOID
+ )
+{
+ FSP_GLOBAL_DATA *FspData;
+
+ FspData = GetFspGlobalDataPointer ();
+ return (FSP_INFO_HEADER *)(*(UINT32 *)(UINTN)(FspData->CoreStack + CONTEXT_STACK_OFFSET(FspInfoHeader)));
+}
+
+/**
This function gets the VPD data pointer.
@return VpdDataRgnPtr VPD data pointer.
|