/**
BIOS process FspBobList for Memory Resource Descriptor.
@param[in] FspHobList Pointer to the HOB data structure produced by FSP.
@return If platform process the FSP hob list successfully.
**/
EFI_STATUS
EFIAPI
FspHobProcessForMemoryResource (
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
);
S3PeiMemBase = 0;
S3PeiMemSize = 0;
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
//
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
//
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
//
//
// 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);
}
}
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
PeimInitializeWinNtAutoScan (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Perform a call-back into the SEC simulator to get a memory value
Arguments:
FfsHeader - General purpose data available to every PEIM
PeiServices - General purpose services available to every PEIM.
Returns:
None
--*/
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
PEI_NT_AUTOSCAN_PPI *PeiNtService;
UINT64 MemorySize;
EFI_PHYSICAL_ADDRESS MemoryBase;
UINTN Index;
EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;
UINT64 PeiMemorySize;
EFI_PHYSICAL_ADDRESS PeiMemoryBase;
EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;
UINTN DataSize;
EFI_MEMORY_TYPE_INFORMATION MemoryData [EfiMaxMemoryType + 1];
UINT64 SmramMemorySize;
EFI_PHYSICAL_ADDRESS SmramMemoryBase;
EFI_SMRAM_HOB_DESCRIPTOR_BLOCK *SmramHobDescriptorBlock;
PEI_CAPSULE_PPI *Capsule;
VOID *CapsuleBuffer;
UINTN CapsuleBufferLength;
EFI_BOOT_MODE BootMode;
EFI_WIN_NT_MEMORY_LAYOUT *MemoryLayout;
UINTN MaxSystemMemoryCount;
DEBUG ((EFI_D_ERROR, "NT 32 Autoscan PEIM Loaded\n"));
//
// Get the PEI NT Autoscan PPI
//
Status = PeiServicesLocatePpi (
&gPeiNtAutoScanPpiGuid, // GUID
0, // INSTANCE
&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
(VOID**)&PeiNtService // PPI
);
ASSERT_EFI_ERROR (Status);
Status = PeiServicesGetBootMode (&BootMode);
ASSERT_EFI_ERROR (Status);
DEBUG ((EFI_D_ERROR, "BootMode - %x\n", BootMode));
if (FeaturePcdGet (PcdWinNtCapsuleEnable)) {
MaxSystemMemoryCount = GetMaxSystemMemoryCount();
MemoryLayout = BuildGuidHob (
&gEfiWinNtMemoryLayoutGuid,
sizeof (EFI_WIN_NT_MEMORY_LAYOUT) + sizeof (EFI_WIN_NT_MEMORY_DESCRIPTOR) * (MaxSystemMemoryCount - 1)
);
ASSERT (MemoryLayout != NULL);
MemoryLayout->NumberOfRegions = 0;
Capsule = NULL;
CapsuleBuffer = NULL;
CapsuleBufferLength = 0;
if (BootMode == BOOT_ON_FLASH_UPDATE) {
Status = PeiServicesLocatePpi (&gPeiCapsulePpiGuid, 0, NULL, (VOID**) &Capsule);
ASSERT_EFI_ERROR (Status);
}
}
Index = 0;
SmramMemorySize = 0;
SmramMemoryBase = 0;
do {
Status = PeiNtService->NtAutoScan (Index, &MemoryBase, &MemorySize);
DEBUG ((EFI_D_ERROR, "NtAutoScan(%d) Status - %r\n", Index, Status));
if (!EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "NtAutoScan(%d) Base - 0x%lx\n", Index, MemoryBase));
DEBUG ((EFI_D_ERROR, "NtAutoScan(%d) Size - 0x%lx\n", Index, MemorySize));
if (FeaturePcdGet (PcdWinNtCapsuleEnable)) {
if (MemoryLayout->NumberOfRegions < MaxSystemMemoryCount) {
MemoryLayout->Descriptor[MemoryLayout->NumberOfRegions].Base = MemoryBase;
MemoryLayout->Descriptor[MemoryLayout->NumberOfRegions].Size = MemorySize;
MemoryLayout->NumberOfRegions ++;
}
}
Attributes =
(
EFI_RESOURCE_ATTRIBUTE_PRESENT |
EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
);
if (Index == 0) {
//
// Register the memory with the PEI Core
//
if (FeaturePcdGet(PcdWinNtSmmEnable)) {
//
// SMRAM
//
SmramMemorySize = PcdGet64(PcdWinNtSmramSize);
SmramMemoryBase = MemoryBase + MemorySize - SmramMemorySize;
DEBUG ((EFI_D_ERROR, "SmramMemoryBase - 0x%lx\n", SmramMemoryBase));
DEBUG ((EFI_D_ERROR, "SmramMemorySize - 0x%lx\n", SmramMemorySize));
MemorySize = MemorySize - SmramMemorySize;
}
PeiMemoryBase = MemoryBase;
PeiMemorySize = MemorySize;
if (FeaturePcdGet(PcdWinNtCapsuleEnable)) {
//
// Capsule
//
if (Capsule != NULL) {
CapsuleBufferLength = ((UINTN) PeiMemorySize / 2);
PeiMemorySize = CapsuleBufferLength;
CapsuleBuffer = (VOID*) (UINTN) (PeiMemoryBase + CapsuleBufferLength);
}
}
Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;
}
BuildResourceDescriptorHob (
EFI_RESOURCE_SYSTEM_MEMORY,
Attributes,
MemoryBase,
MemorySize
);
DEBUG ((EFI_D_ERROR, "ResourceHob - 0x%lx - 0x%lx\n", MemoryBase, MemorySize));
}
Index++;
} while (!EFI_ERROR (Status));
if (FeaturePcdGet(PcdWinNtCapsuleEnable)) {
if (Capsule != NULL) {
//
// Call the Capsule PPI Coalesce function to coalesce the capsule data.
//
Status = Capsule->Coalesce (
(EFI_PEI_SERVICES**) PeiServices,
&CapsuleBuffer,
&CapsuleBufferLength
);
DEBUG ((EFI_D_ERROR, "CoalesceStatus - %r\n", Status));
DEBUG ((EFI_D_ERROR, "CapsuleBuffer - %x\n", CapsuleBuffer));
DEBUG ((EFI_D_ERROR, "CapsuleBufferLength - %x\n", CapsuleBufferLength));
//
// If it failed, then NULL out our capsule PPI pointer so that the capsule
// HOB does not get created below.
//
if (Status != EFI_SUCCESS) {
Capsule = NULL;
}
}
}
Status = PeiServicesInstallPeiMemory (PeiMemoryBase, PeiMemorySize);
ASSERT_EFI_ERROR (Status);
if (FeaturePcdGet(PcdWinNtCapsuleEnable)) {
//
// If we found the capsule PPI (and we didn't have errors), then
// call the capsule PEIM to allocate memory for the capsule.
//
if (Capsule != NULL) {
Status = Capsule->CreateState((EFI_PEI_SERVICES **)PeiServices, CapsuleBuffer, CapsuleBufferLength);
}
}
//
// Build the CPU hob with 52-bit addressing and 16-bits of IO space.
//
BuildCpuHob (52, 16);
//
// Build GUIDed Hob that contains the Memory Type Information array
//
Status = PeiServicesLocatePpi (
&gEfiPeiReadOnlyVariable2PpiGuid,
0,
NULL,
(VOID **)&Variable
);
ASSERT_EFI_ERROR (Status);
DataSize = sizeof (MemoryData);
Status = Variable->GetVariable (
Variable,
EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
&gEfiMemoryTypeInformationGuid,
NULL,
&DataSize,
&MemoryData
);
if (EFI_ERROR (Status) || !ValidateMemoryTypeInfoVariable(MemoryData, DataSize)) {
//
// Create Memory Type Information HOB
//
BuildGuidDataHob (
&gEfiMemoryTypeInformationGuid,
mDefaultMemoryTypeInformation,
sizeof(mDefaultMemoryTypeInformation)
);
} else {
//
// Create Memory Type Information HOB
//
BuildGuidDataHob (
&gEfiMemoryTypeInformationGuid,
MemoryData,
DataSize
);
}
if (FeaturePcdGet(PcdWinNtSmmEnable)) {
//
// BuildSmramHob
//
if ((SmramMemoryBase != 0) && (SmramMemorySize != 0)) {
SmramHobDescriptorBlock = BuildGuidHob (
&gEfiSmmPeiSmramMemoryReserveGuid,
sizeof (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK) + sizeof (EFI_SMRAM_DESCRIPTOR)
);
ASSERT (SmramHobDescriptorBlock != NULL);
SmramHobDescriptorBlock->NumberOfSmmReservedRegions = 1;
SmramHobDescriptorBlock->Descriptor[0].PhysicalStart = SmramMemoryBase;
SmramHobDescriptorBlock->Descriptor[0].CpuStart = SmramMemoryBase;
SmramHobDescriptorBlock->Descriptor[0].PhysicalSize = SmramMemorySize;
SmramHobDescriptorBlock->Descriptor[0].RegionState = EFI_SMRAM_CLOSED;
}
}
return Status;
}