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Allocate EfiReservedMemoryType of memory. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Elvin Li <elvin.li@intel.com>
Signed-off-by: Liming Gao <liming.gao@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15977 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Elvin Li 2014-08-29 09:01:52 +00:00 committed by li-elvin
parent d7325a8c49
commit fd9abd045e
2 changed files with 10 additions and 16 deletions
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5
MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
View File

@ -56,7 +56,6 @@
BaseMemoryLib
[LibraryClasses.X64]
LockBoxLib
UefiLib
BaseMemoryLib
HobLib
@ -67,10 +66,6 @@
gEfiCapsuleVendorGuid
gEfiFmpCapsuleGuid ## SOMETIMES_CONSUMES ## GUID # FMP capsule GUID
[Guids.X64]
gEfiAcpiVariableGuid ## SOMETIMES_CONSUMES ## GUID # RestoreLockBox
gEfiAcpiS3ContextGuid ## SOMETIMES_CONSUMES ## GUID # RestoreLockBox
[Protocols]
gEfiCapsuleArchProtocolGuid ## PRODUCES

21
MdeModulePkg/Universal/CapsuleRuntimeDxe/X64/SaveLongModeContext.c
View File

@ -28,23 +28,22 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Library/BaseLib.h>
#include <Library/LockBoxLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/HobLib.h>
/**
Allocate EfiACPIMemoryNVS below 4G memory address.
Allocate EfiReservedMemoryType below 4G memory address.
This function allocates EfiACPIMemoryNVS below 4G memory address.
This function allocates EfiReservedMemoryType below 4G memory address.
@param Size Size of memory to allocate.
@param Size Size of memory to allocate.
@return Allocated address for output.
@return Allocated Address for output.
**/
VOID*
AllocateAcpiNvsMemoryBelow4G (
AllocateReservedMemoryBelow4G (
IN UINTN Size
)
{
@ -58,7 +57,7 @@ AllocateAcpiNvsMemoryBelow4G (
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiACPIMemoryNVS,
EfiReservedMemoryType,
Pages,
&Address
);
@ -97,8 +96,8 @@ VariableLockCapsuleLongModeBufferVariable (
}
/**
1. Allocate NVS memory for capsule PEIM to establish a 1:1 Virtual to Physical mapping.
2. Allocate NVS memroy as a stack for capsule PEIM to transfer from 32-bit mdoe to 64-bit mode.
1. Allocate Reserved memory for capsule PEIM to establish a 1:1 Virtual to Physical mapping.
2. Allocate Reserved memroy as a stack for capsule PEIM to transfer from 32-bit mdoe to 64-bit mode.
**/
VOID
@ -177,7 +176,7 @@ PrepareContextForCapsulePei (
TotalPagesNum = NumberOfPml4EntriesNeeded + 1;
}
LongModeBuffer.PageTableAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateAcpiNvsMemoryBelow4G (EFI_PAGES_TO_SIZE (TotalPagesNum));
LongModeBuffer.PageTableAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateReservedMemoryBelow4G (EFI_PAGES_TO_SIZE (TotalPagesNum));
ASSERT (LongModeBuffer.PageTableAddress != 0);
PcdSet64 (PcdIdentifyMappingPageTablePtr, LongModeBuffer.PageTableAddress);
}
@ -186,7 +185,7 @@ PrepareContextForCapsulePei (
// Allocate stack
//
LongModeBuffer.StackSize = PcdGet32 (PcdCapsulePeiLongModeStackSize);
LongModeBuffer.StackBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateAcpiNvsMemoryBelow4G (PcdGet32 (PcdCapsulePeiLongModeStackSize));
LongModeBuffer.StackBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateReservedMemoryBelow4G (PcdGet32 (PcdCapsulePeiLongModeStackSize));
ASSERT (LongModeBuffer.StackBaseAddress != 0);
Status = gRT->SetVariable (