diff options
Diffstat (limited to 'IntelFspWrapperPkg/Library/PeiFspHobProcessLibSample/FspHobProcessLibSample.c')
| -rw-r--r-- | IntelFspWrapperPkg/Library/PeiFspHobProcessLibSample/FspHobProcessLibSample.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/IntelFspWrapperPkg/Library/PeiFspHobProcessLibSample/FspHobProcessLibSample.c b/IntelFspWrapperPkg/Library/PeiFspHobProcessLibSample/FspHobProcessLibSample.c new file mode 100644 index 0000000000..f293dc8be8 --- /dev/null +++ b/IntelFspWrapperPkg/Library/PeiFspHobProcessLibSample/FspHobProcessLibSample.c @@ -0,0 +1,337 @@ +/** @file
+ Sample to provide FSP hob process related function.
+
+ 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/PeiServicesLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/HobLib.h>
+#include <Library/PcdLib.h>
+#include <Library/FspPlatformInfoLib.h>
+
+#include <Guid/GuidHobFspEas.h>
+#include <Guid/MemoryTypeInformation.h>
+#include <Ppi/Capsule.h>
+
+//
+// Additional pages are used by DXE memory manager.
+// It should be consistent between RetrieveRequiredMemorySize() and GetPeiMemSize()
+//
+#define PEI_ADDITIONAL_MEMORY_SIZE (16 * EFI_PAGE_SIZE)
+
+/**
+ Get the mem size in memory type infromation table.
+
+ @param[in] PeiServices PEI Services table.
+
+ @return the mem size in memory type infromation table.
+**/
+UINT64
+GetMemorySizeInMemoryTypeInformation (
+ IN EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+ EFI_PEI_HOB_POINTERS Hob;
+ EFI_MEMORY_TYPE_INFORMATION *MemoryData;
+ UINT8 Index;
+ UINTN TempPageNum;
+
+ MemoryData = NULL;
+ Status = (*PeiServices)->GetHobList ((CONST EFI_PEI_SERVICES**)PeiServices, (VOID **) &Hob.Raw);
+ while (!END_OF_HOB_LIST (Hob)) {
+ if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION &&
+ CompareGuid (&Hob.Guid->Name, &gEfiMemoryTypeInformationGuid)) {
+ MemoryData = (EFI_MEMORY_TYPE_INFORMATION *) (Hob.Raw + sizeof (EFI_HOB_GENERIC_HEADER) + sizeof (EFI_GUID));
+ break;
+ }
+
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ }
+
+ if (MemoryData == NULL) {
+ return 0;
+ }
+
+ TempPageNum = 0;
+ for (Index = 0; MemoryData[Index].Type != EfiMaxMemoryType; Index++) {
+ //
+ // Accumulate default memory size requirements
+ //
+ TempPageNum += MemoryData[Index].NumberOfPages;
+ }
+
+ return TempPageNum * EFI_PAGE_SIZE;
+}
+
+/**
+ Get the mem size need to be reserved in PEI phase.
+
+ @param[in] PeiServices PEI Services table.
+
+ @return the mem size need to be reserved in PEI phase.
+**/
+UINT64
+RetrieveRequiredMemorySize (
+ IN EFI_PEI_SERVICES **PeiServices
+ )
+{
+ UINT64 Size;
+
+ Size = GetMemorySizeInMemoryTypeInformation (PeiServices);
+ return Size + PEI_ADDITIONAL_MEMORY_SIZE;
+}
+
+/**
+ Get the mem size need to be consumed and reserved in PEI phase.
+
+ @param[in] PeiServices PEI Services table.
+ @param[in] BootMode Current boot mode.
+
+ @return the mem size need to be consumed and reserved in PEI phase.
+**/
+UINT64
+GetPeiMemSize (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN UINT32 BootMode
+ )
+{
+ UINT64 Size;
+ UINT64 MinSize;
+
+ if (BootMode == BOOT_IN_RECOVERY_MODE) {
+ return PcdGet32 (PcdPeiRecoveryMinMemSize);
+ }
+
+ Size = GetMemorySizeInMemoryTypeInformation (PeiServices);
+
+ if (BootMode == BOOT_ON_FLASH_UPDATE) {
+ //
+ // Maybe more size when in CapsuleUpdate phase ?
+ //
+ MinSize = PcdGet32 (PcdPeiMinMemSize);
+ } else {
+ MinSize = PcdGet32 (PcdPeiMinMemSize);
+ }
+
+ return MinSize + Size + PEI_ADDITIONAL_MEMORY_SIZE;
+}
+
+/**
+ BIOS process FspBobList.
+
+ @param[in] FspHobList Pointer to the HOB data structure produced by FSP.
+
+ @return If platform process the FSP hob list successfully.
+**/
+EFI_STATUS
+EFIAPI
+FspHobProcess (
+ IN VOID *FspHobList
+ )
+{
+ EFI_PEI_HOB_POINTERS Hob;
+ UINT64 LowMemorySize;
+ UINT64 FspMemorySize;
+ EFI_PHYSICAL_ADDRESS FspMemoryBase;
+ UINT64 PeiMemSize;
+ EFI_PHYSICAL_ADDRESS PeiMemBase;
+ UINT64 S3PeiMemSize;
+ EFI_PHYSICAL_ADDRESS S3PeiMemBase;
+ BOOLEAN FoundFspMemHob;
+ EFI_STATUS Status;
+ EFI_BOOT_MODE BootMode;
+ PEI_CAPSULE_PPI *Capsule;
+ VOID *CapsuleBuffer;
+ UINTN CapsuleBufferLength;
+ UINT64 RequiredMemSize;
+ EFI_PEI_SERVICES **PeiServices;
+
+ PeiServices = (EFI_PEI_SERVICES **)GetPeiServicesTablePointer ();
+
+ PeiServicesGetBootMode (&BootMode);
+
+ PeiMemBase = 0;
+ LowMemorySize = 0;
+ FspMemorySize = 0;
+ FspMemoryBase = 0;
+ FoundFspMemHob = FALSE;
+
+ //
+ // Parse the hob list from fsp
+ // Report all the resource hob except the memory between 1M and 4G
+ //
+ Hob.Raw = (UINT8 *)(UINTN)FspHobList;
+ DEBUG((DEBUG_INFO, "FspHobList - 0x%x\n", FspHobList));
+
+ while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw)) != NULL) {
+ DEBUG((DEBUG_INFO, "\nResourceType: 0x%x\n", Hob.ResourceDescriptor->ResourceType));
+ if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) ||
+ (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED)) {
+ DEBUG((DEBUG_INFO, "ResourceAttribute: 0x%x\n", Hob.ResourceDescriptor->ResourceAttribute));
+ DEBUG((DEBUG_INFO, "PhysicalStart: 0x%x\n", Hob.ResourceDescriptor->PhysicalStart));
+ DEBUG((DEBUG_INFO, "ResourceLength: 0x%x\n", Hob.ResourceDescriptor->ResourceLength));
+ DEBUG((DEBUG_INFO, "Owner: %g\n\n", &Hob.ResourceDescriptor->Owner));
+ }
+
+ if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) // Found the low memory length below 4G
+ && (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB)
+ && (Hob.ResourceDescriptor->PhysicalStart + Hob.ResourceDescriptor->ResourceLength <= BASE_4GB)) {
+ LowMemorySize += Hob.ResourceDescriptor->ResourceLength;
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ continue;
+ }
+
+ if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) // Found the low memory length below 4G
+ && (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB)
+ && (Hob.ResourceDescriptor->PhysicalStart + Hob.ResourceDescriptor->ResourceLength <= BASE_4GB)
+ && (CompareGuid (&Hob.ResourceDescriptor->Owner, &gFspReservedMemoryResourceHobGuid))) {
+ FoundFspMemHob = TRUE;
+ FspMemoryBase = Hob.ResourceDescriptor->PhysicalStart;
+ FspMemorySize = Hob.ResourceDescriptor->ResourceLength;
+ DEBUG((DEBUG_INFO, "Find fsp mem hob, base 0x%x, len 0x%x\n", FspMemoryBase, FspMemorySize));
+ }
+
+ //
+ // Report the resource hob
+ //
+ BuildResourceDescriptorHob (
+ Hob.ResourceDescriptor->ResourceType,
+ Hob.ResourceDescriptor->ResourceAttribute,
+ Hob.ResourceDescriptor->PhysicalStart,
+ Hob.ResourceDescriptor->ResourceLength
+ );
+
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ }
+
+ if (!FoundFspMemHob) {
+ DEBUG((DEBUG_INFO, "Didn't find the fsp used memory information.\n"));
+ //ASSERT(FALSE);
+ }
+
+ DEBUG((DEBUG_INFO, "LowMemorySize: 0x%x.\n", LowMemorySize));
+ DEBUG((DEBUG_INFO, "FspMemoryBase: 0x%x.\n", FspMemoryBase));
+ DEBUG((DEBUG_INFO, "FspMemorySize: 0x%x.\n", FspMemorySize));
+
+ if (BootMode == BOOT_ON_S3_RESUME) {
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ (
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+ // EFI_RESOURCE_ATTRIBUTE_TESTED |
+ EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
+ ),
+ BASE_1MB,
+ LowMemorySize
+ );
+
+ Status = GetS3MemoryInfo (&S3PeiMemBase, &S3PeiMemSize);
+ ASSERT_EFI_ERROR (Status);
+ DEBUG((DEBUG_INFO, "S3 memory %Xh - %Xh bytes\n", S3PeiMemBase, S3PeiMemSize));
+
+ //
+ // Make sure Stack and PeiMemory are not overlap - JYAO1
+ //
+
+ Status = PeiServicesInstallPeiMemory (
+ S3PeiMemBase,
+ S3PeiMemSize
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ PeiMemSize = GetPeiMemSize (PeiServices, BootMode);
+ DEBUG((DEBUG_INFO, "PEI memory size = %Xh bytes\n", PeiMemSize));
+
+ //
+ // Capsule mode
+ //
+ Capsule = NULL;
+ CapsuleBuffer = NULL;
+ CapsuleBufferLength = 0;
+ if (BootMode == BOOT_ON_FLASH_UPDATE) {
+ Status = PeiServicesLocatePpi (
+ &gPeiCapsulePpiGuid,
+ 0,
+ NULL,
+ (VOID **) &Capsule
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ if (Status == EFI_SUCCESS) {
+ //
+ // Make sure Stack and CapsuleBuffer are not overlap - JYAO1
+ //
+ CapsuleBuffer = (VOID *)(UINTN)BASE_1MB;
+ CapsuleBufferLength = (UINTN)(LowMemorySize - PeiMemSize);
+ //
+ // Call the Capsule PPI Coalesce function to coalesce the capsule data.
+ //
+ Status = Capsule->Coalesce (PeiServices, &CapsuleBuffer, &CapsuleBufferLength);
+ }
+ }
+
+ RequiredMemSize = RetrieveRequiredMemorySize (PeiServices);
+ DEBUG((DEBUG_INFO, "Required memory size = %Xh bytes\n", RequiredMemSize));
+
+ //
+ // Report the main memory
+ //
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ (
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+ EFI_RESOURCE_ATTRIBUTE_TESTED |
+ EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
+ ),
+ BASE_1MB,
+ LowMemorySize
+ );
+
+ //
+ // Make sure Stack and CapsuleBuffer are not overlap - JYAO1
+ //
+
+ //
+ // Install efi memory
+ //
+ PeiMemBase = BASE_1MB + LowMemorySize - PeiMemSize;
+ Status = PeiServicesInstallPeiMemory (
+ PeiMemBase,
+ PeiMemSize - RequiredMemSize
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ if (Capsule != NULL) {
+ Status = Capsule->CreateState (PeiServices, CapsuleBuffer, CapsuleBufferLength);
+ }
+ }
+
+ //
+ // NV Storage Hob
+ //
+
+ return EFI_SUCCESS;
+}
|