diff options
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Memory/MemoryServices.c')
| -rw-r--r-- | Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Memory/MemoryServices.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Memory/MemoryServices.c b/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Memory/MemoryServices.c deleted file mode 100644 index 689e8e17b4..0000000000 --- a/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Memory/MemoryServices.c +++ /dev/null @@ -1,266 +0,0 @@ -/** @file
- EFI PEI Core memory services.
-
- Copyright (c) 2006 - 2016, 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 "PeiMain.h"
-
-/**
- Initialize the memory services.
-
- @param PrivateData Points to PeiCore's private instance data.
- @param SecCoreData Points to a data structure containing information about the PEI core's operating
- environment, such as the size and location of temporary RAM, the stack location and
- the BFV location.
- @param OldCoreData Pointer to the PEI Core data.
- NULL if being run in non-permament memory mode.
-
-**/
-VOID
-InitializeMemoryServices (
- IN PEI_CORE_INSTANCE *PrivateData,
- IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
- IN PEI_CORE_INSTANCE *OldCoreData
- )
-{
- PrivateData->SwitchStackSignal = FALSE;
-
- //
- // First entering PeiCore, following code will initialized some field
- // in PeiCore's private data according to hand off data from sec core.
- //
- if (OldCoreData == NULL) {
-
- PrivateData->PeiMemoryInstalled = FALSE;
- PrivateData->HobList.Raw = SecCoreData->PeiTemporaryRamBase;
-
- PeiCoreBuildHobHandoffInfoTable (
- BOOT_WITH_FULL_CONFIGURATION,
- (EFI_PHYSICAL_ADDRESS) (UINTN) SecCoreData->PeiTemporaryRamBase,
- (UINTN) SecCoreData->PeiTemporaryRamSize
- );
-
- //
- // Set Ps to point to ServiceTableShadow in Cache
- //
- PrivateData->Ps = &(PrivateData->ServiceTableShadow);
- }
-
- return;
-}
-
-/**
- This function registers the found memory configuration with the PEI Foundation.
-
- The usage model is that the PEIM that discovers the permanent memory shall invoke this service.
- This routine will hold discoveried memory information into PeiCore's private data,
- and set SwitchStackSignal flag. After PEIM who discovery memory is dispatched,
- PeiDispatcher will migrate temporary memory to permenement memory.
-
- @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
- @param MemoryBegin Start of memory address.
- @param MemoryLength Length of memory.
-
- @return EFI_SUCCESS Always success.
-
-**/
-EFI_STATUS
-EFIAPI
-PeiInstallPeiMemory (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN EFI_PHYSICAL_ADDRESS MemoryBegin,
- IN UINT64 MemoryLength
- )
-{
- PEI_CORE_INSTANCE *PrivateData;
-
- DEBUG ((EFI_D_INFO, "PeiInstallPeiMemory MemoryBegin 0x%LX, MemoryLength 0x%LX\n", MemoryBegin, MemoryLength));
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
-
- //
- // PEI_SERVICE.InstallPeiMemory should only be called one time during whole PEI phase.
- // If it is invoked more than one time, ASSERT information is given for developer debugging in debug tip and
- // simply return EFI_SUCESS in release tip to ignore it.
- //
- if (PrivateData->PeiMemoryInstalled) {
- DEBUG ((EFI_D_ERROR, "ERROR: PeiInstallPeiMemory is called more than once!\n"));
- ASSERT (PrivateData->PeiMemoryInstalled);
- return EFI_SUCCESS;
- }
-
- PrivateData->PhysicalMemoryBegin = MemoryBegin;
- PrivateData->PhysicalMemoryLength = MemoryLength;
- PrivateData->FreePhysicalMemoryTop = MemoryBegin + MemoryLength;
-
- PrivateData->SwitchStackSignal = TRUE;
-
- return EFI_SUCCESS;
-}
-
-/**
- The purpose of the service is to publish an interface that allows
- PEIMs to allocate memory ranges that are managed by the PEI Foundation.
-
- @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
- @param MemoryType The type of memory to allocate.
- @param Pages The number of contiguous 4 KB pages to allocate.
- @param Memory Pointer to a physical address. On output, the address is set to the base
- of the page range that was allocated.
-
- @retval EFI_SUCCESS The memory range was successfully allocated.
- @retval EFI_OUT_OF_RESOURCES The pages could not be allocated.
- @retval EFI_INVALID_PARAMETER Type is not equal to EfiLoaderCode, EfiLoaderData, EfiRuntimeServicesCode,
- EfiRuntimeServicesData, EfiBootServicesCode, EfiBootServicesData,
- EfiACPIReclaimMemory, EfiReservedMemoryType, or EfiACPIMemoryNVS.
-
-**/
-EFI_STATUS
-EFIAPI
-PeiAllocatePages (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN EFI_MEMORY_TYPE MemoryType,
- IN UINTN Pages,
- OUT EFI_PHYSICAL_ADDRESS *Memory
- )
-{
- PEI_CORE_INSTANCE *PrivateData;
- EFI_PEI_HOB_POINTERS Hob;
- EFI_PHYSICAL_ADDRESS *FreeMemoryTop;
- EFI_PHYSICAL_ADDRESS *FreeMemoryBottom;
- UINTN RemainingPages;
-
- if ((MemoryType != EfiLoaderCode) &&
- (MemoryType != EfiLoaderData) &&
- (MemoryType != EfiRuntimeServicesCode) &&
- (MemoryType != EfiRuntimeServicesData) &&
- (MemoryType != EfiBootServicesCode) &&
- (MemoryType != EfiBootServicesData) &&
- (MemoryType != EfiACPIReclaimMemory) &&
- (MemoryType != EfiReservedMemoryType) &&
- (MemoryType != EfiACPIMemoryNVS)) {
- return EFI_INVALID_PARAMETER;
- }
-
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
- Hob.Raw = PrivateData->HobList.Raw;
-
- //
- // Check if Hob already available
- //
- if (!PrivateData->PeiMemoryInstalled) {
- //
- // When PeiInstallMemory is called but temporary memory has *not* been moved to temporary memory,
- // the AllocatePage will depend on the field of PEI_CORE_INSTANCE structure.
- //
- if (!PrivateData->SwitchStackSignal) {
- return EFI_NOT_AVAILABLE_YET;
- } else {
- FreeMemoryTop = &(PrivateData->FreePhysicalMemoryTop);
- FreeMemoryBottom = &(PrivateData->PhysicalMemoryBegin);
- }
- } else {
- FreeMemoryTop = &(Hob.HandoffInformationTable->EfiFreeMemoryTop);
- FreeMemoryBottom = &(Hob.HandoffInformationTable->EfiFreeMemoryBottom);
- }
-
- //
- // Check to see if on 4k boundary, If not aligned, make the allocation aligned.
- //
- *(FreeMemoryTop) -= *(FreeMemoryTop) & 0xFFF;
-
- //
- // Verify that there is sufficient memory to satisfy the allocation
- //
- RemainingPages = (UINTN)(*FreeMemoryTop - *FreeMemoryBottom) >> EFI_PAGE_SHIFT;
- //
- // For page allocation, the overhead sizeof (EFI_HOB_MEMORY_ALLOCATION) needs one extra page.
- // So the number of remaining pages needs to be greater than that of the request pages.
- //
- if (RemainingPages <= Pages) {
- DEBUG ((EFI_D_ERROR, "AllocatePages failed: No 0x%lx Pages is available.\n", (UINT64) Pages));
- DEBUG ((EFI_D_ERROR, "There is only left 0x%lx pages memory resource to be allocated.\n", (UINT64) RemainingPages));
- return EFI_OUT_OF_RESOURCES;
- } else {
- //
- // Update the PHIT to reflect the memory usage
- //
- *(FreeMemoryTop) -= Pages * EFI_PAGE_SIZE;
-
- //
- // Update the value for the caller
- //
- *Memory = *(FreeMemoryTop);
-
- //
- // Create a memory allocation HOB.
- //
- BuildMemoryAllocationHob (
- *(FreeMemoryTop),
- Pages * EFI_PAGE_SIZE,
- MemoryType
- );
-
- return EFI_SUCCESS;
- }
-}
-
-/**
- Pool allocation service. Before permenent memory is discoveried, the pool will
- be allocated the heap in the temporary memory. Genenrally, the size of heap in temporary
- memory does not exceed to 64K, so the biggest pool size could be allocated is
- 64K.
-
- @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
- @param Size Amount of memory required
- @param Buffer Address of pointer to the buffer
-
- @retval EFI_SUCCESS The allocation was successful
- @retval EFI_OUT_OF_RESOURCES There is not enough heap to satisfy the requirement
- to allocate the requested size.
-
-**/
-EFI_STATUS
-EFIAPI
-PeiAllocatePool (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN UINTN Size,
- OUT VOID **Buffer
- )
-{
- EFI_STATUS Status;
- EFI_HOB_MEMORY_POOL *Hob;
-
- //
- // If some "post-memory" PEIM wishes to allocate larger pool,
- // it should use AllocatePages service instead.
- //
-
- //
- // Generally, the size of heap in temporary memory does not exceed to 64K,
- // HobLength is multiples of 8 bytes, so the maxmium size of pool is 0xFFF8 - sizeof (EFI_HOB_MEMORY_POOL)
- //
- if (Size > (0xFFF8 - sizeof (EFI_HOB_MEMORY_POOL))) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Status = PeiServicesCreateHob (
- EFI_HOB_TYPE_MEMORY_POOL,
- (UINT16) (sizeof (EFI_HOB_MEMORY_POOL) + Size),
- (VOID **) &Hob
- );
- ASSERT_EFI_ERROR (Status);
- *Buffer = Hob+1;
-
- return Status;
-}
-
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