diff options
Diffstat (limited to 'EdkModulePkg/Core/Pei/Memory/MemoryServices.c')
| -rw-r--r-- | EdkModulePkg/Core/Pei/Memory/MemoryServices.c | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/EdkModulePkg/Core/Pei/Memory/MemoryServices.c b/EdkModulePkg/Core/Pei/Memory/MemoryServices.c deleted file mode 100644 index 88046c7a7b..0000000000 --- a/EdkModulePkg/Core/Pei/Memory/MemoryServices.c +++ /dev/null @@ -1,321 +0,0 @@ -/*++
-
-Copyright (c) 2006, Intel Corporation
-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.
-
-Module Name:
-
- MemoryServices.c
-
-Abstract:
-
- EFI PEI Core memory services
-
---*/
-
-#include <PeiMain.h>
-
-VOID
-InitializeMemoryServices (
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor,
- IN PEI_CORE_INSTANCE *OldCoreData
- )
-/*++
-
-Routine Description:
-
- Initialize the memory services.
-
-Arguments:
-
- PeiServices - The PEI core services table.
- PeiStartupDescriptor - Information and services provided by SEC phase.
- OldCoreData - Pointer to the PEI Core data.
- NULL if being run in non-permament memory mode.
-
-Returns:
-
- None
-
---*/
-{
- PEI_CORE_INSTANCE *PrivateData;
- UINT64 SizeOfCarHeap;
-
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
- PrivateData->SwitchStackSignal = FALSE;
-
- if (OldCoreData == NULL) {
-
- PrivateData->PeiMemoryInstalled = FALSE;
-
- PrivateData->BottomOfCarHeap = (VOID *) (((UINTN)(VOID *)(&PrivateData))
- & (~((PeiStartupDescriptor->SizeOfCacheAsRam) - 1)));
- PrivateData->TopOfCarHeap = (VOID *)((UINTN)(PrivateData->BottomOfCarHeap) + PeiStartupDescriptor->SizeOfCacheAsRam);
- //
- // SizeOfCarHeap is 1/2 (arbitrary) of CacheAsRam Size.
- //
- SizeOfCarHeap = (UINT64) PeiStartupDescriptor->SizeOfCacheAsRam;
- SizeOfCarHeap = RShiftU64 (SizeOfCarHeap, 1);
-
- DEBUG_CODE_BEGIN ();
- PrivateData->SizeOfCacheAsRam = PeiStartupDescriptor->SizeOfCacheAsRam;
- PrivateData->MaxTopOfCarHeap = (VOID *) ((UINTN) PrivateData->BottomOfCarHeap + (UINTN) SizeOfCarHeap);
- DEBUG_CODE_END ();
-
- PrivateData->HobList.Raw = PrivateData->BottomOfCarHeap;
-
- PeiCoreBuildHobHandoffInfoTable (
- BOOT_WITH_FULL_CONFIGURATION,
- (EFI_PHYSICAL_ADDRESS) (UINTN) PrivateData->BottomOfCarHeap,
- (UINTN) SizeOfCarHeap
- );
- //
- // Copy PeiServices from ROM to Cache in PrivateData
- //
- CopyMem (&(PrivateData->ServiceTableShadow), *PeiServices, sizeof (EFI_PEI_SERVICES));
-
- //
- // Set PS to point to ServiceTableShadow in Cache
- //
- PrivateData->PS = &(PrivateData->ServiceTableShadow);
- } else {
- //
- // Set PS to point to ServiceTableShadow in Cache one time after the
- // stack switched to main memory
- //
- PrivateData->PS = &(PrivateData->ServiceTableShadow);
-}
-
- return;
-}
-
-EFI_STATUS
-EFIAPI
-PeiInstallPeiMemory (
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_PHYSICAL_ADDRESS MemoryBegin,
- IN UINT64 MemoryLength
- )
-/*++
-
-Routine Description:
-
- Install the permanent memory is now available.
- Creates HOB (PHIT and Stack).
-
-Arguments:
-
- PeiServices - The PEI core services table.
- MemoryBegin - Start of memory address.
- MemoryLength - Length of memory.
-
-Returns:
-
- Status - EFI_SUCCESS
-
---*/
-{
- PEI_CORE_INSTANCE *PrivateData;
- EFI_HOB_HANDOFF_INFO_TABLE *OldHandOffHob;
- EFI_HOB_HANDOFF_INFO_TABLE *NewHandOffHob;
- UINT64 PeiStackSize;
- UINT64 EfiFreeMemorySize;
- EFI_PHYSICAL_ADDRESS PhysicalAddressOfOldHob;
-
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
-
- PrivateData->SwitchStackSignal = TRUE;
- PrivateData->PeiMemoryInstalled = TRUE;
-
- PrivateData->StackBase = MemoryBegin;
-
- PeiStackSize = RShiftU64 (MemoryLength, 1);
- if (PEI_STACK_SIZE > PeiStackSize) {
- PrivateData->StackSize = PeiStackSize;
- } else {
- PrivateData->StackSize = PEI_STACK_SIZE;
- }
-
- OldHandOffHob = PrivateData->HobList.HandoffInformationTable;
-
- PrivateData->HobList.Raw = (VOID *)((UINTN)(MemoryBegin + PrivateData->StackSize));
- NewHandOffHob = PrivateData->HobList.HandoffInformationTable;
- PhysicalAddressOfOldHob = (EFI_PHYSICAL_ADDRESS) (UINTN) OldHandOffHob;
-
- EfiFreeMemorySize = OldHandOffHob->EfiFreeMemoryBottom - PhysicalAddressOfOldHob;
-
- DEBUG ((EFI_D_INFO, "HOBLIST address before memory init = 0x%08x\n", OldHandOffHob));
- DEBUG ((EFI_D_INFO, "HOBLIST address after memory init = 0x%08x\n", NewHandOffHob));
-
- CopyMem (
- NewHandOffHob,
- OldHandOffHob,
- (UINTN)EfiFreeMemorySize
- );
-
- NewHandOffHob->EfiMemoryTop = MemoryBegin + MemoryLength;
- NewHandOffHob->EfiFreeMemoryTop = NewHandOffHob->EfiMemoryTop;
- NewHandOffHob->EfiMemoryBottom = MemoryBegin;
-
- NewHandOffHob->EfiFreeMemoryBottom = (UINTN)NewHandOffHob + EfiFreeMemorySize;
-
- NewHandOffHob->EfiEndOfHobList = (UINTN)NewHandOffHob +
- (OldHandOffHob->EfiEndOfHobList -
- PhysicalAddressOfOldHob);
-
- ConvertPpiPointers (PeiServices, OldHandOffHob, NewHandOffHob);
-
- BuildStackHob (PrivateData->StackBase, PrivateData->StackSize);
-
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-PeiAllocatePages (
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_MEMORY_TYPE MemoryType,
- IN UINTN Pages,
- OUT EFI_PHYSICAL_ADDRESS *Memory
- )
-/*++
-
-Routine Description:
-
- Memory allocation service on permanent memory,
- not usable prior to the memory installation.
-
-Arguments:
-
- PeiServices - The PEI core services table.
- MemoryType - Type of memory to allocate.
- Pages - Number of pages to allocate.
- Memory - Pointer of memory allocated.
-
-Returns:
-
- Status - EFI_SUCCESS The allocation was successful
- EFI_INVALID_PARAMETER Only AllocateAnyAddress is supported.
- EFI_NOT_AVAILABLE_YET Called with permanent memory not available
- EFI_OUT_OF_RESOURCES There is not enough HOB heap to satisfy the requirement
- to allocate the number of pages.
-
---*/
-{
- PEI_CORE_INSTANCE *PrivateData;
- EFI_PEI_HOB_POINTERS Hob;
- EFI_PHYSICAL_ADDRESS Offset;
-
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
-
- //
- // Check if Hob already available
- //
- if (!PrivateData->PeiMemoryInstalled) {
- return EFI_NOT_AVAILABLE_YET;
- }
-
- Hob.Raw = PrivateData->HobList.Raw;
-
- //
- // Check to see if on 4k boundary
- //
- Offset = Hob.HandoffInformationTable->EfiFreeMemoryTop & 0xFFF;
-
- //
- // If not aligned, make the allocation aligned.
- //
- if (Offset != 0) {
- Hob.HandoffInformationTable->EfiFreeMemoryTop -= Offset;
- }
-
- //
- // Verify that there is sufficient memory to satisfy the allocation
- //
- if (Hob.HandoffInformationTable->EfiFreeMemoryTop - ((Pages * EFI_PAGE_SIZE) + sizeof (EFI_HOB_MEMORY_ALLOCATION)) <
- Hob.HandoffInformationTable->EfiFreeMemoryBottom) {
- DEBUG ((EFI_D_ERROR, "AllocatePages failed: No 0x%x Pages is available.\n", Pages));
- DEBUG ((EFI_D_ERROR, "There is only left 0x%x pages memory resource to be allocated.\n", \
- EFI_SIZE_TO_PAGES ((UINTN) (Hob.HandoffInformationTable->EfiFreeMemoryTop - Hob.HandoffInformationTable->EfiFreeMemoryBottom))));
- return EFI_OUT_OF_RESOURCES;
- } else {
- //
- // Update the PHIT to reflect the memory usage
- //
- Hob.HandoffInformationTable->EfiFreeMemoryTop -= Pages * EFI_PAGE_SIZE;
-
- //
- // Update the value for the caller
- //
- *Memory = Hob.HandoffInformationTable->EfiFreeMemoryTop;
-
- //
- // Create a memory allocation HOB.
- //
- BuildMemoryAllocationHob (
- Hob.HandoffInformationTable->EfiFreeMemoryTop,
- Pages * EFI_PAGE_SIZE + Offset,
- MemoryType
- );
-
- return EFI_SUCCESS;
- }
-}
-
-
-EFI_STATUS
-EFIAPI
-PeiAllocatePool (
- IN EFI_PEI_SERVICES **PeiServices,
- IN UINTN Size,
- OUT VOID **Buffer
- )
-/*++
-
-Routine Description:
-
- Memory allocation service on the CAR.
-
-Arguments:
-
- PeiServices - The PEI core services table.
-
- Size - Amount of memory required
-
- Buffer - Address of pointer to the buffer
-
-Returns:
-
- Status - EFI_SUCCESS The allocation was successful
- EFI_OUT_OF_RESOURCES There is not enough heap to satisfy the requirement
- to allocate the requested size.
-
---*/
-{
- EFI_STATUS Status;
- EFI_HOB_MEMORY_POOL *Hob;
-
- //
- // If some "post-memory" PEIM wishes to allocate larger pool,
- // it should use AllocatePages service instead.
- //
- ASSERT (Size < 0x10000 - sizeof (EFI_HOB_MEMORY_POOL));
- Status = PeiServicesCreateHob (
- EFI_HOB_TYPE_PEI_MEMORY_POOL,
- (UINT16)(sizeof (EFI_HOB_MEMORY_POOL) + Size),
- (VOID **)&Hob
- );
- *Buffer = Hob+1;
-
-
- return Status;
-}
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