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| author | jyao1 <jyao1> | 2014-07-29 02:21:52 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-07-29 02:21:52 +0000 |
| commit | c8ec22a266cdd134ac99c3021003710130613a40 (patch) | |
| tree | 39331503cf2a18089c025d466d3dd8d3b31e36c3 /IntelFspPkg/Library/BaseFspPlatformLib/FspPlatformMemory.c | |
| parent | 0d807dae4adf222ee0c1b3abe504c9a271a46062 (diff) | |
| download | edk2-c8ec22a266cdd134ac99c3021003710130613a40.tar.gz edk2-c8ec22a266cdd134ac99c3021003710130613a40.tar.bz2 edk2-c8ec22a266cdd134ac99c3021003710130613a40.zip | |
Add IntelFspPkg to support create FSP bin based on EDKII.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed off by: Ravi Rangarajan <ravi.p.rangarajan@intel.com>
Reviewed by: Maurice Ma <maurice.ma@intel.com>
Reviewed by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed by: Giri Mudusuru <giri.p.mudusuru@intel.com>
Reviewed by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15705 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFspPkg/Library/BaseFspPlatformLib/FspPlatformMemory.c')
| -rw-r--r-- | IntelFspPkg/Library/BaseFspPlatformLib/FspPlatformMemory.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/IntelFspPkg/Library/BaseFspPlatformLib/FspPlatformMemory.c b/IntelFspPkg/Library/BaseFspPlatformLib/FspPlatformMemory.c new file mode 100644 index 0000000000..2f1c0b14e5 --- /dev/null +++ b/IntelFspPkg/Library/BaseFspPlatformLib/FspPlatformMemory.c @@ -0,0 +1,155 @@ +/** @file
+
+ Copyright (c) 2014, 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 <PiPei.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/HobLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/FspCommonLib.h>
+#include <Guid/GuidHobFsp.h>
+#include <FspGlobalData.h>
+#include <FspApi.h>
+
+/**
+ Get system memory from HOB.
+
+ @param[in,out] LowMemoryLength less than 4G memory length
+ @param[in,out] HighMemoryLength greater than 4G memory length
+**/
+VOID
+EFIAPI
+FspGetSystemMemorySize (
+ IN OUT UINT64 *LowMemoryLength,
+ IN OUT UINT64 *HighMemoryLength
+ )
+{
+ EFI_PEI_HOB_POINTERS Hob;
+
+ *HighMemoryLength = 0;
+ *LowMemoryLength = SIZE_1MB;
+ //
+ // Get the HOB list for processing
+ //
+ Hob.Raw = GetHobList ();
+
+ //
+ // Collect memory ranges
+ //
+ while (!END_OF_HOB_LIST (Hob)) {
+ if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
+ if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
+ //
+ // Need memory above 1MB to be collected here
+ //
+ if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&
+ Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
+ *LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
+ } else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
+ *HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
+ }
+ }
+ }
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ }
+}
+
+/**
+ Migrate bootloader data before destroying CAR.
+
+**/
+VOID
+EFIAPI
+FspMigrateTemporaryMemory (
+ VOID
+ )
+{
+ FSP_INIT_RT_COMMON_BUFFER *FspInitRtBuffer;
+ UINT32 BootLoaderTempRamStart;
+ UINT32 BootLoaderTempRamEnd;
+ UINT32 BootLoaderTempRamSize;
+ UINT32 OffsetGap;
+ UINT32 FspParamPtr;
+ FSP_INIT_PARAMS *FspInitParams;
+ UINT32 *NewStackTop;
+ VOID *BootLoaderTempRamHob;
+ VOID *UpdDataRgnPtr;
+ VOID *PlatformDataPtr;
+
+ //
+ // Get the temporary memory range used by the bootloader
+ //
+ BootLoaderTempRamStart = PcdGet32(PcdTemporaryRamBase);
+ BootLoaderTempRamSize = PcdGet32(PcdTemporaryRamSize) - PcdGet32(PcdFspTemporaryRamSize);
+ BootLoaderTempRamEnd = BootLoaderTempRamStart + BootLoaderTempRamSize;
+
+ //
+ // Build a Boot Loader Temporary Memory GUID HOB
+ //
+ BootLoaderTempRamHob = BuildGuidHob (&gFspBootLoaderTemporaryMemoryGuid, BootLoaderTempRamSize);
+ CopyMem (BootLoaderTempRamHob, (VOID *)BootLoaderTempRamStart, BootLoaderTempRamSize);
+ OffsetGap = (UINT32)BootLoaderTempRamHob - BootLoaderTempRamStart;
+
+ //
+ // Set a new stack frame for the continuation function
+ //
+ FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();
+ FspInitRtBuffer = (FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr;
+ NewStackTop = (UINT32 *)FspInitRtBuffer->StackTop - 1;
+ SetFspCoreStackPointer (NewStackTop);
+
+ //
+ // Fix the FspInit Parameter Pointers to the new location.
+ //
+ FspParamPtr = GetFspApiParameter ();
+ if (FspParamPtr >= BootLoaderTempRamStart && FspParamPtr < BootLoaderTempRamEnd) {
+ SetFspApiParameter(FspParamPtr + OffsetGap);
+ }
+
+ FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();
+ if ((UINT32)(FspInitParams->RtBufferPtr) >= BootLoaderTempRamStart &&
+ (UINT32)(FspInitParams->RtBufferPtr) < BootLoaderTempRamEnd) {
+ FspInitParams->RtBufferPtr = (VOID *)((UINT32)(FspInitParams->RtBufferPtr) + OffsetGap);
+ }
+
+ if ((UINT32)(FspInitParams->NvsBufferPtr) >= BootLoaderTempRamStart &&
+ (UINT32)(FspInitParams->NvsBufferPtr) < BootLoaderTempRamEnd) {
+ FspInitParams->NvsBufferPtr = (VOID *)((UINT32)(FspInitParams->NvsBufferPtr) + OffsetGap);
+ }
+
+ if ((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) >= BootLoaderTempRamStart &&
+ (UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) < BootLoaderTempRamEnd) {
+ ((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr = \
+ (VOID *)((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) + OffsetGap);
+ }
+
+ //
+ // Update UPD pointer in FSP Global Data
+ //
+ UpdDataRgnPtr = ((FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr)->UpdDataRgnPtr;
+ if (UpdDataRgnPtr != NULL) {
+ SetFspUpdDataPointer (UpdDataRgnPtr);
+ }
+
+ //
+ // Update Platform data pointer in FSP Global Data
+ //
+ PlatformDataPtr = GetFspPlatformDataPointer ();
+ if (((UINT32)PlatformDataPtr >= BootLoaderTempRamStart) &&
+ ((UINT32)PlatformDataPtr < BootLoaderTempRamEnd)) {
+ SetFspPlatformDataPointer ((UINT8 *)PlatformDataPtr + OffsetGap);
+ }
+
+}
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