VOID *
GetHob (
IN UINT16 Type,
IN VOID *HobStart
)
/*++
Routine Description:
This function returns the first instance of a HOB type in a HOB list.
Arguments:
Type The HOB type to return.
HobStart The first HOB in the HOB list.
Returns:
HobStart There were no HOBs found with the requested type.
else Returns the first HOB with the matching type.
--*/
{
EFI_PEI_HOB_POINTERS Hob;
Hob.Raw = HobStart;
//
// Return input if not found
//
if (HobStart == NULL) {
return HobStart;
}
//
// Parse the HOB list, stop if end of list or matching type found.
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == Type) {
break;
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
//
// Return input if not found
//
if (END_OF_HOB_LIST (Hob)) {
return HobStart;
}
return (VOID *) (Hob.Raw);
}
/**
Check if AP wakeup buffer is overlapped with existing allocated buffer.
@param[in] WakeupBufferStart AP wakeup buffer start address.
@param[in] WakeupBufferEnd AP wakeup buffer end address.
@retval TRUE There is overlap.
@retval FALSE There is no overlap.
**/
BOOLEAN
CheckOverlapWithAllocatedBuffer (
IN UINT64 WakeupBufferStart,
IN UINT64 WakeupBufferEnd
)
{
EFI_PEI_HOB_POINTERS Hob;
EFI_HOB_MEMORY_ALLOCATION *MemoryHob;
BOOLEAN Overlapped;
UINT64 MemoryStart;
UINT64 MemoryEnd;
Overlapped = FALSE;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList ();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
MemoryHob = Hob.MemoryAllocation;
MemoryStart = MemoryHob->AllocDescriptor.MemoryBaseAddress;
MemoryEnd = MemoryHob->AllocDescriptor.MemoryBaseAddress + MemoryHob->AllocDescriptor.MemoryLength;
if (!((WakeupBufferStart >= MemoryEnd) || (WakeupBufferEnd <= MemoryStart))) {
Overlapped = TRUE;
break;
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
return Overlapped;
}
unsigned install_e820_map(unsigned max_entries, struct e820entry *entries)
{
unsigned num_entries = 0;
EFI_PEI_HOB_POINTERS hob;
hob.Raw = gd->arch.hob_list;
while (!END_OF_HOB_LIST(hob)) {
if (hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
entries[num_entries].addr = hob.ResourceDescriptor->PhysicalStart;
entries[num_entries].size = hob.ResourceDescriptor->ResourceLength;
entries[num_entries].type = E820_RAM;
} else if (hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) {
entries[num_entries].addr = hob.ResourceDescriptor->PhysicalStart;
entries[num_entries].size = hob.ResourceDescriptor->ResourceLength;
entries[num_entries].type = E820_RESERVED;
}
}
hob.Raw = GET_NEXT_HOB(hob);
num_entries++;
}
return num_entries;
}
void
GetFspReservedMemoryFromGuid (
uint32_t *FspMemoryBase,
uint32_t *FspMemoryLength,
EFI_GUID FspReservedMemoryGuid
)
{
EFI_PEI_HOB_POINTERS Hob;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList();
*FspMemoryBase = 0;
*FspMemoryLength = 0;
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) {
if (CompareGuid(&Hob.ResourceDescriptor->Owner, &FspReservedMemoryGuid)) {
*FspMemoryBase = (uint32_t) (Hob.ResourceDescriptor->PhysicalStart);
*FspMemoryLength = (uint32_t) (Hob.ResourceDescriptor->ResourceLength);
break;
}
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
return;
}
//
// Return list of cores in the system
//
EFI_STATUS
PrePeiCoreGetMpCoreInfo (
OUT UINTN *ArmCoreCount,
OUT ARM_CORE_INFO **ArmCoreInfoTable
)
{
EFI_PEI_HOB_POINTERS Hob;
if (ArmIsMpCore()) {
// Iterate through the HOBs and find if there is ARM PROCESSOR ENTRY HOB
for (Hob.Raw = GetHobList (); !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
// Check for Correct HOB type
if ((GET_HOB_TYPE (Hob)) == EFI_HOB_TYPE_GUID_EXTENSION) {
// Check for correct GUID type
if (CompareGuid(&(Hob.Guid->Name), &gAmdStyxMpCoreInfoGuid)) {
*ArmCoreInfoTable = (ARM_CORE_INFO *) GET_GUID_HOB_DATA(Hob);
*ArmCoreCount = GET_GUID_HOB_DATA_SIZE(Hob)/sizeof(ARM_CORE_INFO);
return EFI_SUCCESS;
}
}
}
}
return EFI_UNSUPPORTED;
}
/**
Process FSP HOB list
@param[in] FspHobList Pointer to the HOB data structure produced by FSP.
**/
VOID
ProcessFspHobList (
IN VOID *FspHobList
)
{
EFI_PEI_HOB_POINTERS FspHob;
FspHob.Raw = FspHobList;
//
// Add all the HOBs from FSP binary to FSP wrapper
//
while (!END_OF_HOB_LIST (FspHob)) {
if (FspHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
//
// Skip FSP binary creates PcdDataBaseHobGuid
//
if (!CompareGuid(&FspHob.Guid->Name, &gPcdDataBaseHobGuid)) {
BuildGuidDataHob (
&FspHob.Guid->Name,
GET_GUID_HOB_DATA(FspHob),
GET_GUID_HOB_DATA_SIZE(FspHob)
);
}
}
FspHob.Raw = GET_NEXT_HOB (FspHob);
}
}
void
GetHighMemorySize (
uint64_t *HighMemoryLength
)
{
EFI_PEI_HOB_POINTERS Hob;
*HighMemoryLength = 0x0;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
//
// Need memory above 4GB to be collected here
//
if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) 0x100000000) {
*HighMemoryLength += (uint64_t) (Hob.ResourceDescriptor->ResourceLength);
}
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
return;
}
EFIAPI
FspGetResourceDescriptorByOwner (
IN EFI_GUID *OwnerGuid
)
{
EFI_PEI_HOB_POINTERS Hob;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList ();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) && \
(CompareGuid (&Hob.ResourceDescriptor->Owner, OwnerGuid))) {
return Hob.ResourceDescriptor;
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
return NULL;
}
/**
*
* HeapGetBaseAddressInTempMem
*
* This function gets heap base address in HEAP_TEMP_MEM phase
*
* @param[in] StdHeader - Pointer to AMD_CONFIG_PARAMS struct.
*
* @retval UINT64 - Heap base address in HEAP_TEMP_MEM phase
*
*/
UINT64
HeapGetBaseAddressInTempMem (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
EFI_PEI_SERVICES **PeiServices;
EFI_PEI_HOB_POINTERS Hob;
AGESA_STATUS IgnoredStatus;
UINT64 BaseAddress;
BaseAddress = UserOptions.CfgHeapDramAddress;
if (IsBsp (StdHeader, &IgnoredStatus) && (StdHeader->HeapStatus != HEAP_LOCAL_CACHE)) {
PeiServices = (EFI_PEI_SERVICES **) StdHeader->ImageBasePtr;
//
// Retrieve the new Heap Manager base in HOB and update StdHeader
//
(*PeiServices)->GetHobList (PeiServices, &Hob.Raw);
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION &&
CompareGuid ( &Hob.Guid->Name, &gAmdHeapHobGuid)) {
BaseAddress = (UINT64) (VOID *) (Hob.Raw +
sizeof (EFI_HOB_GENERIC_HEADER) +
sizeof (EFI_GUID));
break;
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
}
return BaseAddress;
}
/**
Get system memory from HOB.
@param[in,out] LowMemoryLength less than 4G memory length
@param[in,out] HighMemoryLength greater than 4G memory length
**/
VOID
EFIAPI
FspGetSystemMemorySize (
IN OUT UINT64 *LowMemoryLength,
IN OUT UINT64 *HighMemoryLength
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;
EFI_PEI_HOB_POINTERS Hob;
ResourceAttribute = (
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
);
Status = PeiServicesGetBootMode (&BootMode);
ASSERT_EFI_ERROR (Status);
if (BootMode != BOOT_ON_S3_RESUME) {
ResourceAttribute |= EFI_RESOURCE_ATTRIBUTE_TESTED;
}
*HighMemoryLength = 0;
*LowMemoryLength = SIZE_1MB;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList ();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) ||
((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) &&
(Hob.ResourceDescriptor->ResourceAttribute == ResourceAttribute))) {
//
// Need memory above 1MB to be collected here
//
if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&
Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
*LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
} else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
*HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
}
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
}
EFI_STATUS
GetPeiProtocol (
IN EFI_GUID *ProtocolGuid,
IN VOID **Interface
)
/*++
Routine Description:
Searches for a Protocol Interface passed from PEI through a HOB
Arguments:
ProtocolGuid - The Protocol GUID to search for in the HOB List
Interface - A pointer to the interface for the Protocol GUID
Returns:
EFI_SUCCESS - The Protocol GUID was found and its interface is returned in Interface
EFI_NOT_FOUND - The Protocol GUID was not found in the HOB List
--*/
{
EFI_STATUS Status;
EFI_PEI_HOB_POINTERS GuidHob;
//
// Get Hob list
//
Status = EfiLibGetSystemConfigurationTable (&gEfiHobListGuid, (VOID **) &GuidHob.Raw);
if (EFI_ERROR (Status)) {
return Status;
}
for (Status = EFI_NOT_FOUND; EFI_ERROR (Status);) {
if (END_OF_HOB_LIST (GuidHob)) {
Status = EFI_NOT_FOUND;
break;
}
if (GET_HOB_TYPE (GuidHob) == EFI_HOB_TYPE_GUID_EXTENSION) {
if (EfiCompareGuid (ProtocolGuid, &GuidHob.Guid->Name)) {
Status = EFI_SUCCESS;
*Interface = (VOID *) *(UINTN *) ((UINT8 *) (&GuidHob.Guid->Name) + sizeof (EFI_GUID));
}
}
GuidHob.Raw = GET_NEXT_HOB (GuidHob);
}
return Status;
}
/**
Hook point for AcpiVariableThunkPlatform for S3Ready.
@param AcpiS3Context ACPI s3 context
**/
VOID
S3ReadyThunkPlatform (
IN ACPI_S3_CONTEXT *AcpiS3Context
)
{
EFI_PHYSICAL_ADDRESS AcpiMemoryBase;
UINT32 AcpiMemorySize;
EFI_PEI_HOB_POINTERS Hob;
UINT64 MemoryLength;
DEBUG ((EFI_D_INFO, "S3ReadyThunkPlatform\n"));
if (mAcpiVariableSetCompatibility == NULL) {
return;
}
//
// Allocate ACPI reserved memory under 4G
//
AcpiMemoryBase = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateMemoryBelow4G (EfiReservedMemoryType, PcdGet32 (PcdS3AcpiReservedMemorySize));
ASSERT (AcpiMemoryBase != 0);
AcpiMemorySize = PcdGet32 (PcdS3AcpiReservedMemorySize);
//
// Calculate the system memory length by memory hobs
//
MemoryLength = 0x100000;
Hob.Raw = GetFirstHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR);
ASSERT (Hob.Raw != NULL);
while ((Hob.Raw != NULL) && (!END_OF_HOB_LIST (Hob))) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
//
// Skip the memory region below 1MB
//
if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000) {
MemoryLength += Hob.ResourceDescriptor->ResourceLength;
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw);
}
mAcpiVariableSetCompatibility->AcpiReservedMemoryBase = AcpiMemoryBase;
mAcpiVariableSetCompatibility->AcpiReservedMemorySize = AcpiMemorySize;
mAcpiVariableSetCompatibility->SystemMemoryLength = MemoryLength;
DEBUG((EFI_D_INFO, "AcpiVariableThunkPlatform: AcpiMemoryBase is 0x%8x\n", mAcpiVariableSetCompatibility->AcpiReservedMemoryBase));
DEBUG((EFI_D_INFO, "AcpiVariableThunkPlatform: AcpiMemorySize is 0x%8x\n", mAcpiVariableSetCompatibility->AcpiReservedMemorySize));
DEBUG((EFI_D_INFO, "AcpiVariableThunkPlatform: SystemMemoryLength is 0x%8x\n", mAcpiVariableSetCompatibility->SystemMemoryLength));
return ;
}
/*
* Print out a structure of all the HOBs
* that match a certain type:
* Print all types (0x0000)
* EFI_HOB_TYPE_HANDOFF (0x0001)
* EFI_HOB_TYPE_MEMORY_ALLOCATION (0x0002)
* EFI_HOB_TYPE_RESOURCE_DESCRIPTOR (0x0003)
* EFI_HOB_TYPE_GUID_EXTENSION (0x0004)
* EFI_HOB_TYPE_MEMORY_POOL (0x0007)
* EFI_HOB_TYPE_UNUSED (0xFFFE)
* EFI_HOB_TYPE_END_OF_HOB_LIST (0xFFFF)
*/
void print_hob_type_structure(u16 hob_type, void *hob_list_ptr)
{
u32 *current_hob;
u32 *next_hob = 0;
u8 last_hob = 0;
u32 current_type;
const char *current_type_str;
current_hob = hob_list_ptr;
/*
* Print out HOBs of our desired type until
* the end of the HOB list
*/
printk(BIOS_DEBUG, "\n=== FSP HOB Data Structure ===\n");
printk(BIOS_DEBUG, "0x%p: hob_list_ptr\n", hob_list_ptr);
do {
EFI_HOB_GENERIC_HEADER *current_header_ptr =
(EFI_HOB_GENERIC_HEADER *)current_hob;
/* Get the type of this HOB */
current_type = current_header_ptr->HobType;
current_type_str = get_hob_type_string(current_hob);
if (current_type == hob_type || hob_type == 0x0000) {
printk(BIOS_DEBUG, "HOB %p is an %s (type 0x%0x)\n",
current_hob, current_type_str,
current_type);
switch (current_type) {
case EFI_HOB_TYPE_MEMORY_ALLOCATION:
print_hob_mem_attributes(current_hob);
break;
case EFI_HOB_TYPE_RESOURCE_DESCRIPTOR:
print_hob_resource_attributes(current_hob);
break;
}
}
/* Check for end of HOB list */
last_hob = END_OF_HOB_LIST(current_hob);
if (!last_hob) {
/* Get next HOB pointer */
next_hob = GET_NEXT_HOB(current_hob);
/* Start on next HOB */
current_hob = next_hob;
}
} while (!last_hob);
printk(BIOS_DEBUG, "=== End of FSP HOB Data Structure ===\n\n");
}
EFI_STATUS
GetNextFirmwareVolume2Hob (
IN OUT VOID **HobStart,
OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
OUT UINT64 *Length,
OUT EFI_GUID *FileName
)
/*++
Routine Description:
Get next firmware volume2 hob from HobStart
Arguments:
HobStart - Start pointer of hob list
BaseAddress - Start address of next firmware volume
Length - Length of next firmware volume
Returns:
EFI_NOT_FOUND - Next firmware volume not found
EFI_SUCCESS - Next firmware volume found with address information
--*/
{
EFI_PEI_HOB_POINTERS FirmwareVolumeHob;
FirmwareVolumeHob.Raw = *HobStart;
if (END_OF_HOB_LIST (FirmwareVolumeHob)) {
return EFI_NOT_FOUND;
}
FirmwareVolumeHob.Raw = GetHob (EFI_HOB_TYPE_FV2, *HobStart);
if (FirmwareVolumeHob.Header->HobType != EFI_HOB_TYPE_FV2) {
return EFI_NOT_FOUND;
}
*BaseAddress = FirmwareVolumeHob.FirmwareVolume2->BaseAddress;
*Length = FirmwareVolumeHob.FirmwareVolume2->Length;
EfiCommonLibCopyMem(FileName,&FirmwareVolumeHob.FirmwareVolume2->FileName,sizeof(EFI_GUID));
*HobStart = GET_NEXT_HOB (FirmwareVolumeHob);
return EFI_SUCCESS;
}
EFI_STATUS
testHotKey()
{
EFI_STATUS Status = 0;
EFI_HOB_GENERIC_HEADER *Hob;
UINT16 HobType;
UINT16 HobLength;
for(Hob = GetHobList();!END_OF_HOB_LIST(Hob);Hob = GET_NEXT_HOB(Hob)) {
HobType = GET_HOB_TYPE (Hob);
HobLength = GET_HOB_LENGTH (Hob);
Print((CONST CHAR16*)L"Hob %x %x\n", HobType, HobLength);
}
return Status;
}
/**
Notify function on End Of PEI PPI.
On S3 boot, this function will restore wakeup buffer data.
On normal boot, this function will flag wakeup buffer to be un-used type.
@param[in] PeiServices The pointer to the PEI Services Table.
@param[in] NotifyDescriptor Address of the notification descriptor data structure.
@param[in] Ppi Address of the PPI that was installed.
@retval EFI_SUCCESS When everything is OK.
**/
EFI_STATUS
EFIAPI
CpuMpEndOfPeiCallback (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
CPU_MP_DATA *CpuMpData;
EFI_PEI_HOB_POINTERS Hob;
EFI_HOB_MEMORY_ALLOCATION *MemoryHob;
DEBUG ((DEBUG_INFO, "PeiMpInitLib: CpuMpEndOfPeiCallback () invoked\n"));
Status = PeiServicesGetBootMode (&BootMode);
ASSERT_EFI_ERROR (Status);
CpuMpData = GetCpuMpData ();
if (BootMode != BOOT_ON_S3_RESUME) {
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList ();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
MemoryHob = Hob.MemoryAllocation;
if (MemoryHob->AllocDescriptor.MemoryBaseAddress == CpuMpData->WakeupBuffer) {
//
// Flag this HOB type to un-used
//
GET_HOB_TYPE (Hob) = EFI_HOB_TYPE_UNUSED;
break;
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
} else {
CpuMpData->SaveRestoreFlag = TRUE;
RestoreWakeupBuffer (CpuMpData);
}
return EFI_SUCCESS;
}
/**
Adds SMBIOS records to tables
@param[in] ImageHandle Image handle of this driver.
@param[in] SystemTable Global system service table.
@retval EFI_UNSUPPORTED - Could not locate SMBIOS protocol
@retval EFI_OUT_OF_RESOURCES - Failed to allocate memory for SMBIOS HOB type.
@retval EFI_SUCCESS - Successfully added SMBIOS records based on HOB.
**/
EFI_STATUS
EFIAPI
DxeSmbiosDataHobLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_PEI_HOB_POINTERS Hob;
EFI_SMBIOS_HANDLE SmbiosHandle;
EFI_SMBIOS_PROTOCOL *Smbios;
EFI_STATUS Status;
UINT8 *RecordPtr;
UINT16 RecordCount;
RecordCount = 0;
DEBUG ((DEBUG_INFO, "Adding SMBIOS records from HOB..\n"));
Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **)&Smbios);
if (Smbios == NULL) {
DEBUG ((DEBUG_WARN, "Can't locate SMBIOS protocol\n"));
return EFI_UNSUPPORTED;
}
///
/// Get SMBIOS HOB data (each hob contains one SMBIOS record)
///
for (Hob.Raw = GetHobList (); !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB (Hob)) {
if ((GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_GUID_EXTENSION) && (CompareGuid (&Hob.Guid->Name, &gIntelSmbiosDataHobGuid))) {
RecordPtr = GET_GUID_HOB_DATA (Hob.Raw);
///
/// Add generic SMBIOS HOB to SMBIOS table
///
DEBUG ((DEBUG_VERBOSE, "Add SMBIOS record type: %x\n", ((EFI_SMBIOS_TABLE_HEADER *) RecordPtr)->Type));
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
Status = Smbios->Add (Smbios, NULL, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) RecordPtr);
if (!EFI_ERROR (Status)) {
RecordCount++;
}
}
}
DEBUG ((DEBUG_INFO, "Found %d Records and added to SMBIOS table.\n", RecordCount));
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
GetMemorySize (
IN CONST EFI_PEI_SERVICES **PeiServices,
OUT UINT64 *LowMemoryLength,
OUT UINT64 *HighMemoryLength
)
{
EFI_STATUS Status;
EFI_PEI_HOB_POINTERS Hob;
*HighMemoryLength = 0;
*LowMemoryLength = 0x100000;
//
// Get the HOB list for processing
//
Status = (*PeiServices)->GetHobList (PeiServices, (void **)&Hob.Raw);
if (EFI_ERROR(Status)) {
return Status;
}
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
//
// Need memory above 1MB to be collected here
//
if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000 &&
Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) 0x100000000) {
*LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
} else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) 0x100000000) {
*HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
}
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
return EFI_SUCCESS;
}
/* Returns the next instance of a HOB type from the starting HOB. */
void *get_next_hob(uint16_t type, const void *hob_start)
{
EFI_PEI_HOB_POINTERS hob;
if (!hob_start)
return NULL;
hob.Raw = (UINT8 *)hob_start;
/* Parse the HOB list until end of list or matching type is found. */
while (!END_OF_HOB_LIST(hob.Raw)) {
if (hob.Header->HobType == type)
return hob.Raw;
if (GET_HOB_LENGTH(hob.Raw) < sizeof(*hob.Header))
break;
hob.Raw = GET_NEXT_HOB(hob.Raw);
}
return NULL;
}
STATIC
EFI_STATUS
GetNextCapsuleVolumeHob (
IN OUT VOID **HobStart,
OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
OUT UINT64 *Length
)
/*++
Routine Description:
Find the next Capsule volume HOB
Arguments:
HobStart - start of HOBs
BaseAddress - returned base address of capsule volume
Length - length of capsule volume pointed to by BaseAddress
Returns:
EFI_SUCCESS - one found
EFI_NOT_FOUND - did not find one
--*/
{
EFI_PEI_HOB_POINTERS Hob;
Hob.Raw = *HobStart;
if (END_OF_HOB_LIST (Hob)) {
return EFI_NOT_FOUND;
}
Hob.Raw = GetHob (EFI_HOB_TYPE_CV, *HobStart);
if (Hob.Header->HobType != EFI_HOB_TYPE_CV) {
return EFI_NOT_FOUND;
}
*BaseAddress = Hob.CapsuleVolume->BaseAddress;
*Length = Hob.CapsuleVolume->Length;
*HobStart = GET_NEXT_HOB (Hob);
return EFI_SUCCESS;
}
int dram_init_f(void)
{
phys_size_t ram_size = 0;
EFI_PEI_HOB_POINTERS hob;
hob.Raw = gd->arch.hob_list;
while (!END_OF_HOB_LIST(hob)) {
if (hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY ||
hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) {
ram_size += hob.ResourceDescriptor->ResourceLength;
}
}
hob.Raw = GET_NEXT_HOB(hob);
}
gd->ram_size = ram_size;
return 0;
}
EFIAPI
GetNextHob (
IN UINT16 Type,
IN CONST VOID *HobStart
)
{
EFI_PEI_HOB_POINTERS Hob;
ASSERT (HobStart != NULL);
Hob.Raw = (UINT8 *) HobStart;
//
// Parse the HOB list until end of list or matching type is found.
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == Type) {
return Hob.Raw;
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
return NULL;
}
EFIAPI
get_next_hob(
UINT16 type,
CONST VOID *hob_start
)
{
EFI_PEI_HOB_POINTERS hob;
ASSERT(hob_start != NULL);
hob.Raw = (UINT8 *)hob_start;
/* Parse the HOB list until end of list or matching type is found. */
while (!END_OF_HOB_LIST(hob.Raw)) {
if (hob.Header->HobType == type)
return hob.Raw;
if (GET_HOB_LENGTH(hob.Raw) < sizeof(*hob.Header))
break;
hob.Raw = GET_NEXT_HOB(hob.Raw);
}
return NULL;
}
/**
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 system memory from HOB.
@param[in,out] LowMemoryLength less than 4G memory length
@param[in,out] HighMemoryLength greater than 4G memory length
**/
VOID
EFIAPI
FspGetSystemMemorySize (
IN OUT UINT64 *LowMemoryLength,
IN OUT UINT64 *HighMemoryLength
)
{
EFI_PEI_HOB_POINTERS Hob;
*HighMemoryLength = 0;
*LowMemoryLength = SIZE_1MB;
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList ();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
//
// Need memory above 1MB to be collected here
//
if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&
Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
*LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
} else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
*HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
}
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
}
/**
Get available system memory below 1MB by specified size.
@param[in] WakeupBufferSize Wakeup buffer size required
@retval other Return wakeup buffer address below 1MB.
@retval -1 Cannot find free memory below 1MB.
**/
UINTN
GetWakeupBuffer (
IN UINTN WakeupBufferSize
)
{
EFI_PEI_HOB_POINTERS Hob;
UINT64 WakeupBufferStart;
UINT64 WakeupBufferEnd;
WakeupBufferSize = (WakeupBufferSize + SIZE_4KB - 1) & ~(SIZE_4KB - 1);
//
// Get the HOB list for processing
//
Hob.Raw = GetHobList ();
//
// Collect memory ranges
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
if ((Hob.ResourceDescriptor->PhysicalStart < BASE_1MB) &&
(Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) &&
((Hob.ResourceDescriptor->ResourceAttribute &
(EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED |
EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED |
EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED
)) == 0)
) {
//
// Need memory under 1MB to be collected here
//
WakeupBufferEnd = Hob.ResourceDescriptor->PhysicalStart + Hob.ResourceDescriptor->ResourceLength;
if (WakeupBufferEnd > BASE_1MB) {
//
// Wakeup buffer should be under 1MB
//
WakeupBufferEnd = BASE_1MB;
}
while (WakeupBufferEnd > WakeupBufferSize) {
//
// Wakeup buffer should be aligned on 4KB
//
WakeupBufferStart = (WakeupBufferEnd - WakeupBufferSize) & ~(SIZE_4KB - 1);
if (WakeupBufferStart < Hob.ResourceDescriptor->PhysicalStart) {
break;
}
if (CheckOverlapWithAllocatedBuffer (WakeupBufferStart, WakeupBufferEnd)) {
//
// If this range is overlapped with existing allocated buffer, skip it
// and find the next range
//
WakeupBufferEnd -= WakeupBufferSize;
continue;
}
DEBUG ((DEBUG_INFO, "WakeupBufferStart = %x, WakeupBufferSize = %x\n",
WakeupBufferStart, WakeupBufferSize));
return (UINTN)WakeupBufferStart;
}
}
}
//
// Find the next HOB
//
Hob.Raw = GET_NEXT_HOB (Hob);
}
return (UINTN) -1;
}
/**
Install SEC HOB data to the HOB List.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param SecHobList Pointer to SEC HOB List.
@return EFI_SUCCESS Success to install SEC HOB data.
@retval EFI_OUT_OF_RESOURCES If there is no more memory to grow the Hoblist.
**/
EFI_STATUS
PeiInstallSecHobData (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_HOB_GENERIC_HEADER *SecHobList
)
{
EFI_STATUS Status;
EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;
EFI_PEI_HOB_POINTERS HobStart;
EFI_PEI_HOB_POINTERS Hob;
UINTN SecHobListLength;
EFI_PHYSICAL_ADDRESS FreeMemory;
EFI_HOB_GENERIC_HEADER *HobEnd;
HandOffHob = NULL;
Status = PeiGetHobList (PeiServices, (VOID **) &HandOffHob);
if (EFI_ERROR(Status)) {
return Status;
}
ASSERT (HandOffHob != NULL);
HobStart.Raw = (UINT8 *) SecHobList;
//
// The HobList must not contain a EFI_HOB_HANDOFF_INFO_TABLE HOB (PHIT) HOB.
//
ASSERT (HobStart.Header->HobType != EFI_HOB_TYPE_HANDOFF);
//
// Calculate the SEC HOB List length,
// not including the terminated HOB(EFI_HOB_TYPE_END_OF_HOB_LIST).
//
for (Hob.Raw = HobStart.Raw; !END_OF_HOB_LIST (Hob); Hob.Raw = GET_NEXT_HOB (Hob));
SecHobListLength = (UINTN) Hob.Raw - (UINTN) HobStart.Raw;
//
// The length must be 8-bytes aligned.
//
ASSERT ((SecHobListLength & 0x7) == 0);
FreeMemory = HandOffHob->EfiFreeMemoryTop -
HandOffHob->EfiFreeMemoryBottom;
if (FreeMemory < SecHobListLength) {
DEBUG ((DEBUG_ERROR, "PeiInstallSecHobData fail: SecHobListLength - 0x%08x\n", SecHobListLength));
DEBUG ((DEBUG_ERROR, " FreeMemoryTop - 0x%08x\n", (UINTN)HandOffHob->EfiFreeMemoryTop));
DEBUG ((DEBUG_ERROR, " FreeMemoryBottom - 0x%08x\n", (UINTN)HandOffHob->EfiFreeMemoryBottom));
return EFI_OUT_OF_RESOURCES;
}
Hob.Raw = (UINT8 *) (UINTN) HandOffHob->EfiEndOfHobList;
CopyMem (Hob.Raw, HobStart.Raw, SecHobListLength);
HobEnd = (EFI_HOB_GENERIC_HEADER *) ((UINTN) Hob.Raw + SecHobListLength);
HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;
HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;
HobEnd->HobLength = (UINT16) sizeof (EFI_HOB_GENERIC_HEADER);
HobEnd->Reserved = 0;
HobEnd++;
HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
InitAcpiSmmPlatform (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Initializes the SMM S3 Handler Driver.
Arguments:
ImageHandle - The image handle of Sleep State Wake driver.
SystemTable - The starndard EFI system table.
Returns:
EFI_OUT_OF_RESOURCES - Insufficient resources to complete function.
EFI_SUCCESS - Function has completed successfully.
Other - Error occured during execution.
--*/
{
EFI_STATUS Status;
EFI_GLOBAL_NVS_AREA_PROTOCOL *AcpiNvsProtocol = NULL;
UINTN MemoryLength;
EFI_PEI_HOB_POINTERS Hob;
Status = gBS->LocateProtocol (
&gEfiGlobalNvsAreaProtocolGuid,
NULL,
(VOID **) &AcpiNvsProtocol
);
ASSERT_EFI_ERROR (Status);
mAcpiSmm.BootScriptSaved = 0;
mPlatformType = (EFI_PLATFORM_TYPE)PcdGet16 (PcdPlatformType);
//
// Calculate the system memory length by memory hobs
//
MemoryLength = 0x100000;
Hob.Raw = GetFirstHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR);
ASSERT (Hob.Raw != NULL);
while ((Hob.Raw != NULL) && (!END_OF_HOB_LIST (Hob))) {
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
//
// Skip the memory region below 1MB
//
if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000) {
MemoryLength += (UINTN)Hob.ResourceDescriptor->ResourceLength;
}
}
Hob.Raw = GET_NEXT_HOB (Hob);
Hob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw);
}
ReservedS3Memory(MemoryLength);
//
// Locate and Register to Parent driver
//
Status = RegisterToDispatchDriver ();
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}
EFI_STATUS
RebuildHeap (
IN OUT HEAP_MANAGER **HeapManagerPtr
)
{
EFI_STATUS Status;
AGESA_STATUS AgesaStatus;
UINTN AlignTo16ByteInDxeMem;
UINTN TotalAlignTo16ByteInHob;
EFI_PEI_HOB_POINTERS Hob;
VOID *HobList;
VOID *HeapBufferInHob;
HEAP_MANAGER *HeapManagerInHob;
BUFFER_NODE *HeapHeaderNodeInHob;
BUFFER_NODE *HeapCurrentNodeInHob;
BUFFER_NODE *HeapPreNodeInHob;
HEAP_MANAGER *HeapManagerInDxeMem;
BUFFER_NODE *HeapHeaderNodeInDxeMem;
BUFFER_NODE *HeapCurrentNodeInDxeMem;
BUFFER_NODE *HeapPreNodeInDxeMem;
UINT32 OffsetOfHeapCurrentNodeInDxeMem;
EFI_HOB_GUID_TYPE *GuidHob;
AGESA_BUFFER_PARAMS AllocParams;
Status = EfiGetSystemConfigurationTable (&gEfiHobListGuid, &HobList);
ASSERT_EFI_ERROR (Status);
Hob.Raw = HobList;
HeapBufferInHob = NULL;
while (!END_OF_HOB_LIST (Hob)) {
GuidHob = GetNextGuidHob (&gAmdHeapHobGuid, HobList);
HeapBufferInHob = GET_GUID_HOB_DATA (GuidHob);
if (HeapBufferInHob != NULL) {
HeapManagerInHob = (HEAP_MANAGER *) HeapBufferInHob;
HeapHeaderNodeInHob = (BUFFER_NODE *) ((UINT8 *) HeapManagerInHob + HeapManagerInHob->FirstActiveBufferOffset);
HeapCurrentNodeInHob = HeapHeaderNodeInHob;
//
// 1. Analyse heap buffer from HOB data to calculate the final size for recreating the heap buffers
// Reserve maximum pad size for each heap node.
// 2. Allocate memory for heap buffers
// 3. Copying heap manager data from HOB include extracing 1-byte alignment to 16-byte alignment
//
//
// 1. Analyse heap buffer from HOB data to calculate the final size for recreating the heap buffers.
// Reserve maximum pad size for each heap node.
//
TotalAlignTo16ByteInHob = 0;
do {
HeapPreNodeInHob = HeapCurrentNodeInHob;
TotalAlignTo16ByteInHob += 0xF;
HeapCurrentNodeInHob = (BUFFER_NODE *) ((UINT8 *) HeapBufferInHob + HeapCurrentNodeInHob->OffsetOfNextNode);
} while (HeapPreNodeInHob->OffsetOfNextNode != AMD_HEAP_INVALID_HEAP_OFFSET);
//
// 2. Allocate memory for heap buffers
//
AllocParams.BufferLength = (UINT32) (HeapManagerInHob->UsedSize + TotalAlignTo16ByteInHob + 0x0F);
AllocParams.BufferHandle = AMD_HEAP_IN_MAIN_MEMORY_HANDLE;
if ((AgesaStatus = AgesaAllocateBuffer (0, &AllocParams)) != AGESA_SUCCESS) {
if (AGESA_ERROR > AgesaStatus) {
return EFI_OUT_OF_RESOURCES;
}
}
ZeroMem (AllocParams.BufferPointer, AllocParams.BufferLength);
*HeapManagerPtr = AllocParams.BufferPointer;
//
// 3. Copying heap manager data from HOB include extracing 1-byte alignment to 16-byte alignment
//
HeapManagerInDxeMem = *HeapManagerPtr;
HeapManagerInDxeMem->FirstActiveBufferOffset = sizeof (HEAP_MANAGER);
HeapManagerInDxeMem->UsedSize = sizeof (HEAP_MANAGER);
HeapHeaderNodeInDxeMem = (BUFFER_NODE *) ((UINT8 *) HeapManagerInDxeMem + HeapManagerInDxeMem->FirstActiveBufferOffset);
OffsetOfHeapCurrentNodeInDxeMem = HeapManagerInDxeMem->FirstActiveBufferOffset;
HeapCurrentNodeInDxeMem = HeapHeaderNodeInDxeMem;
HeapCurrentNodeInHob = HeapHeaderNodeInHob;
HeapPreNodeInHob = NULL;
do {
// Create BUFFER_NODE with 16-byte alignment padding considered.
// The beginning of data buffer is on 16-byte boundary address.
// The structure of a heap buffer would be looked like below.
//
// +---------------------------------------------------------------------------------+
// | BUFFER_NODE | Pad | IDS SENTINEL ("Head") | Data buffer | IDS SENTINEL ("Tail") |
// +---------------------------------------------------------------------------------+
//
AlignTo16ByteInDxeMem = ((0x10 - (((UINTN) (VOID *) HeapCurrentNodeInDxeMem + sizeof (BUFFER_NODE) + SIZE_OF_SENTINEL) & 0xF)) & 0xF);
HeapCurrentNodeInDxeMem->BufferHandle = HeapCurrentNodeInHob->BufferHandle;
HeapCurrentNodeInDxeMem->BufferSize = (UINT32) (HeapCurrentNodeInHob->BufferSize + AlignTo16ByteInDxeMem);
HeapCurrentNodeInDxeMem->Persist = HeapCurrentNodeInHob->Persist;
HeapCurrentNodeInDxeMem->PadSize = (UINT8) AlignTo16ByteInDxeMem;
HeapCurrentNodeInDxeMem->OffsetOfNextNode = OffsetOfHeapCurrentNodeInDxeMem + sizeof (BUFFER_NODE) + HeapCurrentNodeInDxeMem->BufferSize;
// Copy buffer data
gBS->CopyMem (
(UINT8 *) ((UINT8 *) HeapCurrentNodeInDxeMem + sizeof (BUFFER_NODE) + AlignTo16ByteInDxeMem),
(UINT8 *) ((UINT8 *) HeapCurrentNodeInHob + sizeof (BUFFER_NODE)),
HeapCurrentNodeInHob->BufferSize
);
// Point to the next heap node
HeapPreNodeInHob = HeapCurrentNodeInHob;
HeapPreNodeInDxeMem = HeapCurrentNodeInDxeMem;
HeapCurrentNodeInHob = (BUFFER_NODE *) ((UINT8 *) HeapBufferInHob + HeapCurrentNodeInHob->OffsetOfNextNode);
HeapCurrentNodeInDxeMem = (BUFFER_NODE *) ((UINT8 *) HeapManagerInDxeMem + HeapCurrentNodeInDxeMem->OffsetOfNextNode);
OffsetOfHeapCurrentNodeInDxeMem = (UINT32) ((UINTN) HeapCurrentNodeInDxeMem - (UINTN) HeapManagerInDxeMem);
} while (HeapPreNodeInHob->OffsetOfNextNode != AMD_HEAP_INVALID_HEAP_OFFSET);
//
// Finalize the last heap node
//
HeapManagerInDxeMem->UsedSize = (UINT32) HeapPreNodeInDxeMem->OffsetOfNextNode;
HeapPreNodeInDxeMem->OffsetOfNextNode = AMD_HEAP_INVALID_HEAP_OFFSET;
//
// Finalize Heap Manager pointer
// No free buffer node is provide after heap recreation.
//
*HeapManagerPtr = HeapManagerInDxeMem;
HeapManagerInDxeMem->FirstActiveBufferOffset = (UINT32) ((UINT8 *) HeapHeaderNodeInDxeMem - (UINT8 *) HeapManagerInDxeMem);
HeapManagerInDxeMem->FirstFreeSpaceOffset = AMD_HEAP_INVALID_HEAP_OFFSET;
HeapManagerInDxeMem->Signature = HeapManagerInHob->Signature;
return EFI_SUCCESS;
}
}
return EFI_NOT_FOUND;
}
/**
Main entry point to DXE Core.
@param HobStart Pointer to the beginning of the HOB List from PEI.
@return This function should never return.
**/
VOID
EFIAPI
DxeMain (
IN VOID *HobStart
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
UINT64 MemoryLength;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
UINTN Index;
EFI_HOB_GUID_TYPE *GuidHob;
EFI_VECTOR_HANDOFF_INFO *VectorInfoList;
EFI_VECTOR_HANDOFF_INFO *VectorInfo;
VOID *EntryPoint;
//
// Setup the default exception handlers
//
VectorInfoList = NULL;
GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);
if (GuidHob != NULL) {
VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));
}
Status = InitializeCpuExceptionHandlers (VectorInfoList);
ASSERT_EFI_ERROR (Status);
//
// Initialize Debug Agent to support source level debug in DXE phase
//
InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_CORE, HobStart, NULL);
//
// Initialize Memory Services
//
CoreInitializeMemoryServices (&HobStart, &MemoryBaseAddress, &MemoryLength);
MemoryProfileInit (HobStart);
//
// Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData
// Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table
//
gDxeCoreST = AllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE), &mEfiSystemTableTemplate);
ASSERT (gDxeCoreST != NULL);
gDxeCoreRT = AllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES), &mEfiRuntimeServicesTableTemplate);
ASSERT (gDxeCoreRT != NULL);
gDxeCoreST->RuntimeServices = gDxeCoreRT;
//
// Start the Image Services.
//
Status = CoreInitializeImageServices (HobStart);
ASSERT_EFI_ERROR (Status);
//
// Initialize the Global Coherency Domain Services
//
Status = CoreInitializeGcdServices (&HobStart, MemoryBaseAddress, MemoryLength);
ASSERT_EFI_ERROR (Status);
//
// Call constructor for all libraries
//
ProcessLibraryConstructorList (gDxeCoreImageHandle, gDxeCoreST);
PERF_END (NULL,"PEI", NULL, 0) ;
PERF_START (NULL,"DXE", NULL, 0) ;
//
// Report DXE Core image information to the PE/COFF Extra Action Library
//
ZeroMem (&ImageContext, sizeof (ImageContext));
ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)gDxeCoreLoadedImage->ImageBase;
ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*)(UINTN)ImageContext.ImageAddress);
ImageContext.SizeOfHeaders = PeCoffGetSizeOfHeaders ((VOID*)(UINTN)ImageContext.ImageAddress);
Status = PeCoffLoaderGetEntryPoint ((VOID*)(UINTN)ImageContext.ImageAddress, &EntryPoint);
if (Status == EFI_SUCCESS) {
ImageContext.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)EntryPoint;
}
ImageContext.Handle = (VOID *)(UINTN)gDxeCoreLoadedImage->ImageBase;
ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
PeCoffLoaderRelocateImageExtraAction (&ImageContext);
//
// Install the DXE Services Table into the EFI System Tables's Configuration Table
//
Status = CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid, gDxeCoreDS);
ASSERT_EFI_ERROR (Status);
//
// Install the HOB List into the EFI System Tables's Configuration Table
//
Status = CoreInstallConfigurationTable (&gEfiHobListGuid, HobStart);
ASSERT_EFI_ERROR (Status);
//
// Install Memory Type Information Table into the EFI System Tables's Configuration Table
//
Status = CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid, &gMemoryTypeInformation);
ASSERT_EFI_ERROR (Status);
//
// If Loading modules At fixed address feature is enabled, install Load moduels at fixed address
// Configuration Table so that user could easily to retrieve the top address to load Dxe and PEI
// Code and Tseg base to load SMM driver.
//
if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {
Status = CoreInstallConfigurationTable (&gLoadFixedAddressConfigurationTableGuid, &gLoadModuleAtFixAddressConfigurationTable);
ASSERT_EFI_ERROR (Status);
}
//
// Report Status Code here for DXE_ENTRY_POINT once it is available
//
REPORT_STATUS_CODE (
EFI_PROGRESS_CODE,
(EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_ENTRY_POINT)
);
//
// Create the aligned system table pointer structure that is used by external
// debuggers to locate the system table... Also, install debug image info
// configuration table.
//
CoreInitializeDebugImageInfoTable ();
CoreNewDebugImageInfoEntry (
EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL,
gDxeCoreLoadedImage,
gDxeCoreImageHandle
);
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "HOBLIST address in DXE = 0x%p\n", HobStart));
DEBUG_CODE_BEGIN ();
EFI_PEI_HOB_POINTERS Hob;
for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Memory Allocation 0x%08x 0x%0lx - 0x%0lx\n", \
Hob.MemoryAllocation->AllocDescriptor.MemoryType, \
Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress, \
Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress + Hob.MemoryAllocation->AllocDescriptor.MemoryLength - 1));
}
}
for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV2) {
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV2 Hob 0x%0lx - 0x%0lx\n", Hob.FirmwareVolume2->BaseAddress, Hob.FirmwareVolume2->BaseAddress + Hob.FirmwareVolume2->Length - 1));
} else if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV Hob 0x%0lx - 0x%0lx\n", Hob.FirmwareVolume->BaseAddress, Hob.FirmwareVolume->BaseAddress + Hob.FirmwareVolume->Length - 1));
}
}
DEBUG_CODE_END ();
//
// Initialize the Event Services
//
Status = CoreInitializeEventServices ();
ASSERT_EFI_ERROR (Status);
MemoryProfileInstallProtocol ();
CoreInitializePropertiesTable ();
CoreInitializeMemoryAttributesTable ();
//
// Get persisted vector hand-off info from GUIDeed HOB again due to HobStart may be updated,
// and install configuration table
//
GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);
if (GuidHob != NULL) {
VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));
VectorInfo = VectorInfoList;
Index = 1;
while (VectorInfo->Attribute != EFI_VECTOR_HANDOFF_LAST_ENTRY) {
VectorInfo ++;
Index ++;
}
VectorInfo = AllocateCopyPool (sizeof (EFI_VECTOR_HANDOFF_INFO) * Index, (VOID *) VectorInfoList);
ASSERT (VectorInfo != NULL);
Status = CoreInstallConfigurationTable (&gEfiVectorHandoffTableGuid, (VOID *) VectorInfo);
ASSERT_EFI_ERROR (Status);
}
//
// Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs
//
// These Protocols are not architectural. This implementation is sharing code between
// PEI and DXE in order to save FLASH space. These Protocols could also be implemented
// as part of the DXE Core. However, that would also require the DXE Core to be ported
// each time a different CPU is used, a different Decompression algorithm is used, or a
// different Image type is used. By placing these Protocols in PEI, the DXE Core remains
// generic, and only PEI and the Arch Protocols need to be ported from Platform to Platform,
// and from CPU to CPU.
//
//
// Publish the EFI, Tiano, and Custom Decompress protocols for use by other DXE components
//
Status = CoreInstallMultipleProtocolInterfaces (
&mDecompressHandle,
&gEfiDecompressProtocolGuid, &gEfiDecompress,
NULL
);
ASSERT_EFI_ERROR (Status);
//
// Register for the GUIDs of the Architectural Protocols, so the rest of the
// EFI Boot Services and EFI Runtime Services tables can be filled in.
// Also register for the GUIDs of optional protocols.
//
CoreNotifyOnProtocolInstallation ();
//
// Produce Firmware Volume Protocols, one for each FV in the HOB list.
//
Status = FwVolBlockDriverInit (gDxeCoreImageHandle, gDxeCoreST);
ASSERT_EFI_ERROR (Status);
Status = FwVolDriverInit (gDxeCoreImageHandle, gDxeCoreST);
ASSERT_EFI_ERROR (Status);
//
// Produce the Section Extraction Protocol
//
Status = InitializeSectionExtraction (gDxeCoreImageHandle, gDxeCoreST);
ASSERT_EFI_ERROR (Status);
//
// Initialize the DXE Dispatcher
//
PERF_START (NULL,"CoreInitializeDispatcher", "DxeMain", 0) ;
CoreInitializeDispatcher ();
PERF_END (NULL,"CoreInitializeDispatcher", "DxeMain", 0) ;
//
// Invoke the DXE Dispatcher
//
PERF_START (NULL, "CoreDispatcher", "DxeMain", 0);
CoreDispatcher ();
PERF_END (NULL, "CoreDispatcher", "DxeMain", 0);
//
// Display Architectural protocols that were not loaded if this is DEBUG build
//
DEBUG_CODE_BEGIN ();
CoreDisplayMissingArchProtocols ();
DEBUG_CODE_END ();
//
// Display any drivers that were not dispatched because dependency expression
// evaluated to false if this is a debug build
//
DEBUG_CODE_BEGIN ();
CoreDisplayDiscoveredNotDispatched ();
DEBUG_CODE_END ();
//
// Assert if the Architectural Protocols are not present.
//
Status = CoreAllEfiServicesAvailable ();
if (EFI_ERROR(Status)) {
//
// Report Status code that some Architectural Protocols are not present.
//
REPORT_STATUS_CODE (
EFI_ERROR_CODE | EFI_ERROR_MAJOR,
(EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_EC_NO_ARCH)
);
}
ASSERT_EFI_ERROR (Status);
//
// Report Status code before transfer control to BDS
//
REPORT_STATUS_CODE (
EFI_PROGRESS_CODE,
(EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_HANDOFF_TO_NEXT)
);
//
// Transfer control to the BDS Architectural Protocol
//
gBds->Entry (gBds);
//
// BDS should never return
//
ASSERT (FALSE);
CpuDeadLoop ();
UNREACHABLE ();
}
