406 lines
11 KiB
C
406 lines
11 KiB
C
/** @file
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Sample to provide FSP hob process related function.
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Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PeiServicesTablePointerLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/HobLib.h>
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#include <Library/PcdLib.h>
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#include <Library/FspPlatformInfoLib.h>
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#include <Guid/GuidHobFspEas.h>
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#include <Guid/MemoryTypeInformation.h>
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#include <Guid/PcdDataBaseHobGuid.h>
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#include <Ppi/Capsule.h>
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//
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// Additional pages are used by DXE memory manager.
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// It should be consistent between RetrieveRequiredMemorySize() and GetPeiMemSize()
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//
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#define PEI_ADDITIONAL_MEMORY_SIZE (16 * EFI_PAGE_SIZE)
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/**
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Get the mem size in memory type infromation table.
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@param[in] PeiServices PEI Services table.
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@return the mem size in memory type infromation table.
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**/
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UINT64
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GetMemorySizeInMemoryTypeInformation (
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IN EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_PEI_HOB_POINTERS Hob;
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EFI_MEMORY_TYPE_INFORMATION *MemoryData;
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UINT8 Index;
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UINTN TempPageNum;
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MemoryData = NULL;
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(*PeiServices)->GetHobList ((CONST EFI_PEI_SERVICES**)PeiServices, (VOID **) &Hob.Raw);
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while (!END_OF_HOB_LIST (Hob)) {
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if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION &&
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CompareGuid (&Hob.Guid->Name, &gEfiMemoryTypeInformationGuid)) {
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MemoryData = (EFI_MEMORY_TYPE_INFORMATION *) (Hob.Raw + sizeof (EFI_HOB_GENERIC_HEADER) + sizeof (EFI_GUID));
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break;
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}
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Hob.Raw = GET_NEXT_HOB (Hob);
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}
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if (MemoryData == NULL) {
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return 0;
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}
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TempPageNum = 0;
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for (Index = 0; MemoryData[Index].Type != EfiMaxMemoryType; Index++) {
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//
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// Accumulate default memory size requirements
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//
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TempPageNum += MemoryData[Index].NumberOfPages;
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}
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return TempPageNum * EFI_PAGE_SIZE;
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}
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/**
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Get the mem size need to be reserved in PEI phase.
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@param[in] PeiServices PEI Services table.
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@return the mem size need to be reserved in PEI phase.
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**/
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UINT64
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RetrieveRequiredMemorySize (
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IN EFI_PEI_SERVICES **PeiServices
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)
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{
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UINT64 Size;
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Size = GetMemorySizeInMemoryTypeInformation (PeiServices);
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return Size + PEI_ADDITIONAL_MEMORY_SIZE;
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}
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/**
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Get the mem size need to be consumed and reserved in PEI phase.
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@param[in] PeiServices PEI Services table.
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@param[in] BootMode Current boot mode.
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@return the mem size need to be consumed and reserved in PEI phase.
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**/
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UINT64
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GetPeiMemSize (
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IN EFI_PEI_SERVICES **PeiServices,
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IN UINT32 BootMode
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)
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{
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UINT64 Size;
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UINT64 MinSize;
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if (BootMode == BOOT_IN_RECOVERY_MODE) {
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return PcdGet32 (PcdPeiRecoveryMinMemSize);
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}
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Size = GetMemorySizeInMemoryTypeInformation (PeiServices);
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if (BootMode == BOOT_ON_FLASH_UPDATE) {
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//
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// Maybe more size when in CapsuleUpdate phase ?
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//
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MinSize = PcdGet32 (PcdPeiMinMemSize);
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} else {
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MinSize = PcdGet32 (PcdPeiMinMemSize);
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}
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return MinSize + Size + PEI_ADDITIONAL_MEMORY_SIZE;
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}
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/**
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BIOS process FspBobList for Memory Resource Descriptor.
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@param[in] FspHobList Pointer to the HOB data structure produced by FSP.
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@return If platform process the FSP hob list successfully.
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**/
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EFI_STATUS
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EFIAPI
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FspHobProcessForMemoryResource (
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IN VOID *FspHobList
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)
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{
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EFI_PEI_HOB_POINTERS Hob;
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UINT64 LowMemorySize;
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UINT64 FspMemorySize;
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EFI_PHYSICAL_ADDRESS FspMemoryBase;
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UINT64 PeiMemSize;
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EFI_PHYSICAL_ADDRESS PeiMemBase;
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UINT64 S3PeiMemSize;
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EFI_PHYSICAL_ADDRESS S3PeiMemBase;
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BOOLEAN FoundFspMemHob;
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EFI_STATUS Status;
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EFI_BOOT_MODE BootMode;
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EFI_PEI_CAPSULE_PPI *Capsule;
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VOID *CapsuleBuffer;
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UINTN CapsuleBufferLength;
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UINT64 RequiredMemSize;
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EFI_PEI_SERVICES **PeiServices;
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PeiServices = (EFI_PEI_SERVICES **)GetPeiServicesTablePointer ();
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PeiServicesGetBootMode (&BootMode);
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PeiMemBase = 0;
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LowMemorySize = 0;
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FspMemorySize = 0;
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FspMemoryBase = 0;
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FoundFspMemHob = FALSE;
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//
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// Parse the hob list from fsp
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// Report all the resource hob except the memory between 1M and 4G
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//
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Hob.Raw = (UINT8 *)(UINTN)FspHobList;
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DEBUG((DEBUG_INFO, "FspHobList - 0x%x\n", FspHobList));
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while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw)) != NULL) {
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DEBUG((DEBUG_INFO, "\nResourceType: 0x%x\n", Hob.ResourceDescriptor->ResourceType));
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if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) ||
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(Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED)) {
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DEBUG((DEBUG_INFO, "ResourceAttribute: 0x%x\n", Hob.ResourceDescriptor->ResourceAttribute));
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DEBUG((DEBUG_INFO, "PhysicalStart: 0x%x\n", Hob.ResourceDescriptor->PhysicalStart));
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DEBUG((DEBUG_INFO, "ResourceLength: 0x%x\n", Hob.ResourceDescriptor->ResourceLength));
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DEBUG((DEBUG_INFO, "Owner: %g\n\n", &Hob.ResourceDescriptor->Owner));
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}
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if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) // Found the low memory length below 4G
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&& (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB)
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&& (Hob.ResourceDescriptor->PhysicalStart + Hob.ResourceDescriptor->ResourceLength <= BASE_4GB)) {
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LowMemorySize += Hob.ResourceDescriptor->ResourceLength;
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Hob.Raw = GET_NEXT_HOB (Hob);
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continue;
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}
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if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) // Found the low memory length below 4G
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&& (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB)
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&& (Hob.ResourceDescriptor->PhysicalStart + Hob.ResourceDescriptor->ResourceLength <= BASE_4GB)
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&& (CompareGuid (&Hob.ResourceDescriptor->Owner, &gFspReservedMemoryResourceHobGuid))) {
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FoundFspMemHob = TRUE;
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FspMemoryBase = Hob.ResourceDescriptor->PhysicalStart;
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FspMemorySize = Hob.ResourceDescriptor->ResourceLength;
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DEBUG((DEBUG_INFO, "Find fsp mem hob, base 0x%x, len 0x%x\n", FspMemoryBase, FspMemorySize));
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}
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//
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// Report the resource hob
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//
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BuildResourceDescriptorHob (
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Hob.ResourceDescriptor->ResourceType,
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Hob.ResourceDescriptor->ResourceAttribute,
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Hob.ResourceDescriptor->PhysicalStart,
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Hob.ResourceDescriptor->ResourceLength
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);
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Hob.Raw = GET_NEXT_HOB (Hob);
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}
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if (!FoundFspMemHob) {
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DEBUG((DEBUG_INFO, "Didn't find the fsp used memory information.\n"));
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//ASSERT(FALSE);
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}
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DEBUG((DEBUG_INFO, "LowMemorySize: 0x%x.\n", LowMemorySize));
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DEBUG((DEBUG_INFO, "FspMemoryBase: 0x%x.\n", FspMemoryBase));
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DEBUG((DEBUG_INFO, "FspMemorySize: 0x%x.\n", FspMemorySize));
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if (BootMode == BOOT_ON_S3_RESUME) {
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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(
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EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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// EFI_RESOURCE_ATTRIBUTE_TESTED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
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),
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BASE_1MB,
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LowMemorySize
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);
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S3PeiMemBase = 0;
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S3PeiMemSize = 0;
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Status = GetS3MemoryInfo (&S3PeiMemSize, &S3PeiMemBase);
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ASSERT_EFI_ERROR (Status);
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DEBUG((DEBUG_INFO, "S3 memory %Xh - %Xh bytes\n", S3PeiMemBase, S3PeiMemSize));
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//
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// Make sure Stack and PeiMemory are not overlap
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//
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Status = PeiServicesInstallPeiMemory (
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S3PeiMemBase,
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S3PeiMemSize
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);
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ASSERT_EFI_ERROR (Status);
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} else {
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PeiMemSize = GetPeiMemSize (PeiServices, BootMode);
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DEBUG((DEBUG_INFO, "PEI memory size = %Xh bytes\n", PeiMemSize));
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//
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// Capsule mode
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//
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Capsule = NULL;
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CapsuleBuffer = NULL;
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CapsuleBufferLength = 0;
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if (BootMode == BOOT_ON_FLASH_UPDATE) {
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Status = PeiServicesLocatePpi (
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&gEfiPeiCapsulePpiGuid,
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0,
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NULL,
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(VOID **) &Capsule
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);
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ASSERT_EFI_ERROR (Status);
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if (Status == EFI_SUCCESS) {
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//
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// Make sure Stack and CapsuleBuffer are not overlap
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//
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CapsuleBuffer = (VOID *)(UINTN)BASE_1MB;
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CapsuleBufferLength = (UINTN)(LowMemorySize - PeiMemSize);
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//
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// Call the Capsule PPI Coalesce function to coalesce the capsule data.
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//
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Status = Capsule->Coalesce (PeiServices, &CapsuleBuffer, &CapsuleBufferLength);
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}
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}
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RequiredMemSize = RetrieveRequiredMemorySize (PeiServices);
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DEBUG((DEBUG_INFO, "Required memory size = %Xh bytes\n", RequiredMemSize));
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//
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// Report the main memory
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//
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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(
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EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_TESTED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
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),
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BASE_1MB,
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LowMemorySize
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);
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//
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// Make sure Stack and CapsuleBuffer are not overlap
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//
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//
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// Install efi memory
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//
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PeiMemBase = BASE_1MB + LowMemorySize - PeiMemSize;
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Status = PeiServicesInstallPeiMemory (
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PeiMemBase,
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PeiMemSize - RequiredMemSize
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);
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ASSERT_EFI_ERROR (Status);
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if (Capsule != NULL) {
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Status = Capsule->CreateState (PeiServices, CapsuleBuffer, CapsuleBufferLength);
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}
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}
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return EFI_SUCCESS;
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}
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/**
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Process FSP HOB list
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@param[in] FspHobList Pointer to the HOB data structure produced by FSP.
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**/
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VOID
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ProcessFspHobList (
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IN VOID *FspHobList
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)
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{
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EFI_PEI_HOB_POINTERS FspHob;
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FspHob.Raw = FspHobList;
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//
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// Add all the HOBs from FSP binary to FSP wrapper
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//
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while (!END_OF_HOB_LIST (FspHob)) {
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if (FspHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
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//
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// Skip FSP binary creates PcdDataBaseHobGuid
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//
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if (!CompareGuid(&FspHob.Guid->Name, &gPcdDataBaseHobGuid)) {
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BuildGuidDataHob (
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&FspHob.Guid->Name,
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GET_GUID_HOB_DATA(FspHob),
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GET_GUID_HOB_DATA_SIZE(FspHob)
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);
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}
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}
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FspHob.Raw = GET_NEXT_HOB (FspHob);
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}
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}
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/**
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BIOS process FspBobList for other data (not Memory Resource Descriptor).
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@param[in] FspHobList Pointer to the HOB data structure produced by FSP.
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@return If platform process the FSP hob list successfully.
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**/
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EFI_STATUS
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EFIAPI
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FspHobProcessForOtherData (
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IN VOID *FspHobList
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)
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{
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ProcessFspHobList (FspHobList);
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return EFI_SUCCESS;
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}
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/**
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BIOS process FspBobList.
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@param[in] FspHobList Pointer to the HOB data structure produced by FSP.
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@return If platform process the FSP hob list successfully.
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**/
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EFI_STATUS
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EFIAPI
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FspHobProcess (
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IN VOID *FspHobList
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)
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{
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EFI_STATUS Status;
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Status = FspHobProcessForMemoryResource (FspHobList);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = FspHobProcessForOtherData (FspHobList);
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return Status;
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}
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