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audk/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.c

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/** @file
Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiPayloadEntry.h"
#include <Library/FdtLib.h>
#include <Guid/UniversalPayloadBase.h>
#include <Guid/MemoryTypeInformation.h>
#include <Library/FdtParserLib.h>
#include <Library/HobParserLib.h>
#define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \
EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \
EFI_RESOURCE_ATTRIBUTE_TESTED | \
EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \
EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \
EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \
EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \
EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \
EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \
EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \
EFI_RESOURCE_ATTRIBUTE_PERSISTENT )
#define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \
EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \
EFI_RESOURCE_ATTRIBUTE_TESTED )
GLOBAL_REMOVE_IF_UNREFERENCED EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {
{ EfiACPIReclaimMemory, FixedPcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory) },
{ EfiACPIMemoryNVS, FixedPcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS) },
{ EfiReservedMemoryType, FixedPcdGet32 (PcdMemoryTypeEfiReservedMemoryType) },
{ EfiRuntimeServicesData, FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesData) },
{ EfiRuntimeServicesCode, FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode) },
{ EfiMaxMemoryType, 0 }
};
extern VOID *mHobList;
CHAR8 *mLineBuffer = NULL;
/**
Print all HOBs info from the HOB list.
@return The pointer to the HOB list.
**/
VOID
PrintHob (
IN CONST VOID *HobStart
);
VOID
EFIAPI
ProcessLibraryConstructorList (
VOID
);
/**
Find the first substring.
@param String Point to the string where to find the substring.
@param CharSet Point to the string to be found.
**/
UINTN
EFIAPI
AsciiStrSpn (
IN CHAR8 *String,
IN CHAR8 *CharSet
)
{
UINTN Count;
CHAR8 *Str1;
CHAR8 *Str2;
Count = 0;
for (Str1 = String; *Str1 != L'\0'; Str1++) {
for (Str2 = CharSet; *Str2 != L'\0'; Str2++) {
if (*Str1 == *Str2) {
break;
}
}
if (*Str2 == L'\0') {
return Count;
}
Count++;
}
return Count;
}
/**
Searches a string for the first occurrence of a character contained in a
specified buffer.
@param String Point to the string where to find the substring.
@param CharSet Point to the string to be found.
**/
CHAR8 *
EFIAPI
AsciiStrBrk (
IN CHAR8 *String,
IN CHAR8 *CharSet
)
{
CHAR8 *Str1;
CHAR8 *Str2;
for (Str1 = String; *Str1 != L'\0'; Str1++) {
for (Str2 = CharSet; *Str2 != L'\0'; Str2++) {
if (*Str1 == *Str2) {
return (CHAR8 *)Str1;
}
}
}
return NULL;
}
/**
Find the next token after one or more specified characters.
@param String Point to the string where to find the substring.
@param CharSet Point to the string to be found.
**/
CHAR8 *
EFIAPI
AsciiStrTokenLine (
IN CHAR8 *String OPTIONAL,
IN CHAR8 *CharSet
)
{
CHAR8 *Begin;
CHAR8 *End;
Begin = (String == NULL) ? mLineBuffer : String;
if (Begin == NULL) {
return NULL;
}
Begin += AsciiStrSpn (Begin, CharSet);
if (*Begin == L'\0') {
mLineBuffer = NULL;
return NULL;
}
End = AsciiStrBrk (Begin, CharSet);
if ((End != NULL) && (*End != L'\0')) {
*End = L'\0';
End++;
}
mLineBuffer = End;
return Begin;
}
/**
Some bootloader may pass a pcd database, and UPL also contain a PCD database.
Dxe PCD driver has the assumption that the two PCD database can be catenated and
the local token number should be successive.
This function will fix up the UPL PCD database to meet that assumption.
@param[in] DxeFv The FV where to find the Universal PCD database.
@retval EFI_SUCCESS If it completed successfully.
@retval other Failed to fix up.
**/
EFI_STATUS
FixUpPcdDatabase (
IN EFI_FIRMWARE_VOLUME_HEADER *DxeFv
)
{
EFI_STATUS Status;
EFI_FFS_FILE_HEADER *FileHeader;
VOID *PcdRawData;
PEI_PCD_DATABASE *PeiDatabase;
PEI_PCD_DATABASE *UplDatabase;
EFI_HOB_GUID_TYPE *GuidHob;
DYNAMICEX_MAPPING *ExMapTable;
UINTN Index;
GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);
if (GuidHob == NULL) {
//
// No fix-up is needed.
//
return EFI_SUCCESS;
}
PeiDatabase = (PEI_PCD_DATABASE *)GET_GUID_HOB_DATA (GuidHob);
DEBUG ((DEBUG_INFO, "Find the Pei PCD data base, the total local token number is %d\n", PeiDatabase->LocalTokenCount));
Status = FvFindFileByTypeGuid (DxeFv, EFI_FV_FILETYPE_DRIVER, PcdGetPtr (PcdPcdDriverFile), &FileHeader);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
return Status;
}
Status = FileFindSection (FileHeader, EFI_SECTION_RAW, &PcdRawData);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
return Status;
}
UplDatabase = (PEI_PCD_DATABASE *)PcdRawData;
ExMapTable = (DYNAMICEX_MAPPING *)(UINTN)((UINTN)PcdRawData + UplDatabase->ExMapTableOffset);
for (Index = 0; Index < UplDatabase->ExTokenCount; Index++) {
ExMapTable[Index].TokenNumber += PeiDatabase->LocalTokenCount;
}
DEBUG ((DEBUG_INFO, "Fix up UPL PCD database successfully\n"));
return EFI_SUCCESS;
}
/**
It will build Fv HOBs based on information from bootloaders.
@param[out] DxeFv The pointer to the DXE FV in memory.
@retval EFI_SUCCESS If it completed successfully.
@retval EFI_NOT_FOUND If it failed to find node in fit image.
@retval Others If it failed to build required HOBs.
**/
EFI_STATUS
BuildFitLoadablesFvHob (
OUT EFI_FIRMWARE_VOLUME_HEADER **DxeFv
)
{
EFI_STATUS Status;
VOID *Fdt;
UINT8 *GuidHob;
UNIVERSAL_PAYLOAD_BASE *PayloadBase;
INT32 ConfigNode;
INT32 Config1Node;
INT32 ImageNode;
INT32 FvNode;
INT32 Depth;
CONST FDT_PROPERTY *PropertyPtr;
INT32 TempLen;
CONST CHAR8 *Fvname;
UINT32 DataOffset;
UINT32 DataSize;
UINT32 *Data32;
Fdt = NULL;
GuidHob = GetFirstGuidHob (&gUniversalPayloadBaseGuid);
if (GuidHob != NULL) {
PayloadBase = (UNIVERSAL_PAYLOAD_BASE *)GET_GUID_HOB_DATA (GuidHob);
Fdt = (VOID *)(UINTN)PayloadBase->Entry;
DEBUG ((DEBUG_INFO, "PayloadBase Entry = 0x%08x\n", PayloadBase->Entry));
}
if (Fdt == NULL) {
return EFI_UNSUPPORTED;
}
Status = FdtCheckHeader (Fdt);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
ConfigNode = FdtSubnodeOffsetNameLen (Fdt, 0, "configurations", (INT32)AsciiStrLen ("configurations"));
if (ConfigNode <= 0) {
return EFI_NOT_FOUND;
}
Config1Node = FdtSubnodeOffsetNameLen (Fdt, ConfigNode, "conf-1", (INT32)AsciiStrLen ("conf-1"));
if (Config1Node <= 0) {
return EFI_NOT_FOUND;
}
ImageNode = FdtSubnodeOffsetNameLen (Fdt, 0, "images", (INT32)AsciiStrLen ("images"));
if (ImageNode <= 0) {
return EFI_NOT_FOUND;
}
FvNode = FdtSubnodeOffsetNameLen (Fdt, ImageNode, "tianocore", (INT32)AsciiStrLen ("tianocore"));
Depth = FdtNodeDepth (Fdt, FvNode);
FvNode = FdtNextNode (Fdt, FvNode, &Depth);
Fvname = FdtGetName (Fdt, FvNode, &TempLen);
while ((AsciiStrCmp ((Fvname + AsciiStrLen (Fvname) - 2), "fv") == 0)) {
if (FvNode <= 0) {
return EFI_NOT_FOUND;
}
PropertyPtr = FdtGetProperty (Fdt, FvNode, "data-offset", &TempLen);
Data32 = (UINT32 *)(PropertyPtr->Data);
DataOffset = SwapBytes32 (*Data32);
PropertyPtr = FdtGetProperty (Fdt, FvNode, "data-size", &TempLen);
Data32 = (UINT32 *)(PropertyPtr->Data);
DataSize = SwapBytes32 (*Data32);
if (AsciiStrCmp (Fvname, "uefi-fv") == 0) {
*DxeFv = (EFI_FIRMWARE_VOLUME_HEADER *)((UINTN)PayloadBase->Entry + (UINTN)DataOffset);
ASSERT ((*DxeFv)->FvLength == DataSize);
} else {
BuildFvHob (((UINTN)PayloadBase->Entry + (UINTN)DataOffset), DataSize);
}
DEBUG ((
DEBUG_INFO,
"UPL Multiple fv[%a], Base=0x%08x, size=0x%08x\n",
Fvname,
((UINTN)PayloadBase->Entry + (UINTN)DataOffset),
DataSize
));
Depth = FdtNodeDepth (Fdt, FvNode);
FvNode = FdtNextNode (Fdt, FvNode, &Depth);
Fvname = FdtGetName (Fdt, FvNode, &TempLen);
}
return EFI_SUCCESS;
}
/**
*
Create new HOB for new HOB list
@param[in] BootloaderParameter The HOB to be added into the HOB list.
**/
VOID
CreatNewHobForHoblist (
IN UINTN BootloaderParameter
)
{
EFI_PEI_HOB_POINTERS Hob;
UINTN MinimalNeededSize;
EFI_PHYSICAL_ADDRESS FreeMemoryBottom;
EFI_PHYSICAL_ADDRESS FreeMemoryTop;
EFI_PHYSICAL_ADDRESS MemoryBottom;
EFI_PHYSICAL_ADDRESS MemoryTop;
EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;
EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;
EFI_HOB_HANDOFF_INFO_TABLE *HobInfo;
Hob.Raw = (UINT8 *)BootloaderParameter;
MinimalNeededSize = FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
ASSERT (Hob.Raw != NULL);
ASSERT ((UINTN)Hob.HandoffInformationTable->EfiFreeMemoryTop == Hob.HandoffInformationTable->EfiFreeMemoryTop);
ASSERT ((UINTN)Hob.HandoffInformationTable->EfiMemoryTop == Hob.HandoffInformationTable->EfiMemoryTop);
ASSERT ((UINTN)Hob.HandoffInformationTable->EfiFreeMemoryBottom == Hob.HandoffInformationTable->EfiFreeMemoryBottom);
ASSERT ((UINTN)Hob.HandoffInformationTable->EfiMemoryBottom == Hob.HandoffInformationTable->EfiMemoryBottom);
//
// Try to find Resource Descriptor HOB that contains Hob range EfiMemoryBottom..EfiMemoryTop
//
PhitResourceHob = FindResourceDescriptorByRange (Hob.Raw, Hob.HandoffInformationTable->EfiMemoryBottom, Hob.HandoffInformationTable->EfiMemoryTop);
if (PhitResourceHob == NULL) {
//
// Boot loader's Phit Hob is not in an available Resource Descriptor, find another Resource Descriptor for new Phit Hob
//
ResourceHob = FindAnotherHighestBelow4GResourceDescriptor (Hob.Raw, MinimalNeededSize, NULL);
if (ResourceHob == NULL) {
return;
}
MemoryBottom = ResourceHob->PhysicalStart + ResourceHob->ResourceLength - MinimalNeededSize;
FreeMemoryBottom = MemoryBottom;
FreeMemoryTop = ResourceHob->PhysicalStart + ResourceHob->ResourceLength;
MemoryTop = FreeMemoryTop;
} else if (PhitResourceHob->PhysicalStart + PhitResourceHob->ResourceLength - Hob.HandoffInformationTable->EfiMemoryTop >= MinimalNeededSize) {
//
// New availiable Memory range in new hob is right above memory top in old hob.
//
MemoryBottom = Hob.HandoffInformationTable->EfiFreeMemoryTop;
FreeMemoryBottom = Hob.HandoffInformationTable->EfiMemoryTop;
FreeMemoryTop = FreeMemoryBottom + MinimalNeededSize;
MemoryTop = FreeMemoryTop;
} else if (Hob.HandoffInformationTable->EfiMemoryBottom - PhitResourceHob->PhysicalStart >= MinimalNeededSize) {
//
// New availiable Memory range in new hob is right below memory bottom in old hob.
//
MemoryBottom = Hob.HandoffInformationTable->EfiMemoryBottom - MinimalNeededSize;
FreeMemoryBottom = MemoryBottom;
FreeMemoryTop = Hob.HandoffInformationTable->EfiMemoryBottom;
MemoryTop = Hob.HandoffInformationTable->EfiMemoryTop;
} else {
//
// In the Resource Descriptor HOB contains boot loader Hob, there is no enough free memory size for payload hob
// Find another Resource Descriptor Hob
//
ResourceHob = FindAnotherHighestBelow4GResourceDescriptor (Hob.Raw, MinimalNeededSize, PhitResourceHob);
if (ResourceHob == NULL) {
return;
}
MemoryBottom = ResourceHob->PhysicalStart + ResourceHob->ResourceLength - MinimalNeededSize;
FreeMemoryBottom = MemoryBottom;
FreeMemoryTop = ResourceHob->PhysicalStart + ResourceHob->ResourceLength;
MemoryTop = FreeMemoryTop;
}
HobInfo = HobConstructor ((VOID *)(UINTN)MemoryBottom, (VOID *)(UINTN)MemoryTop, (VOID *)(UINTN)FreeMemoryBottom, (VOID *)(UINTN)FreeMemoryTop);
HobInfo->BootMode = Hob.HandoffInformationTable->BootMode;
//
// Since payload created new Hob, move all hobs except PHIT from boot loader hob list.
//
while (!END_OF_HOB_LIST (Hob)) {
if (IsHobNeed (Hob)) {
// Add this hob to payload HOB
AddNewHob (&Hob);
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
return;
}
/**
It will build HOBs based on information from bootloaders.
@param[in] NewFdtBase The pointer to New FdtBase.
@param[out] DxeFv The pointer to the DXE FV in memory.
@retval EFI_SUCCESS If it completed successfully.
@retval Others If it failed to build required HOBs.
**/
EFI_STATUS
FitBuildHobs (
IN UINTN NewFdtBase,
OUT EFI_FIRMWARE_VOLUME_HEADER **DxeFv
)
{
UINT8 *GuidHob;
UINT32 FdtSize;
EFI_HOB_FIRMWARE_VOLUME *FvHob;
UNIVERSAL_PAYLOAD_ACPI_TABLE *AcpiTable;
ACPI_BOARD_INFO *AcpiBoardInfo;
UNIVERSAL_PAYLOAD_DEVICE_TREE *Fdt;
if (FixedPcdGetBool (PcdHandOffFdtEnable)) {
//
// Back up FDT in Reserved memory region
//
if (NewFdtBase != 0) {
GuidHob = GetFirstGuidHob (&gUniversalPayloadDeviceTreeGuid);
if (GuidHob != NULL) {
Fdt = (UNIVERSAL_PAYLOAD_DEVICE_TREE *)GET_GUID_HOB_DATA (GuidHob);
if (Fdt != NULL) {
DEBUG ((DEBUG_INFO, "Update FDT base to reserved memory\n"));
FdtSize = PcdGet8 (PcdFDTPageSize) * EFI_PAGE_SIZE;
CopyMem ((VOID *)NewFdtBase, (VOID *)(Fdt->DeviceTreeAddress), FdtSize);
Fdt->DeviceTreeAddress = NewFdtBase;
}
}
}
}
//
// To create Memory Type Information HOB
//
GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);
if (GuidHob == NULL) {
BuildGuidDataHob (
&gEfiMemoryTypeInformationGuid,
mDefaultMemoryTypeInformation,
sizeof (mDefaultMemoryTypeInformation)
);
}
//
// Create guid hob for acpi board information
//
GuidHob = GetFirstGuidHob (&gUniversalPayloadAcpiTableGuid);
if (GuidHob != NULL) {
AcpiTable = (UNIVERSAL_PAYLOAD_ACPI_TABLE *)GET_GUID_HOB_DATA (GuidHob);
GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);
if (GuidHob == NULL) {
AcpiBoardInfo = BuildHobFromAcpi ((UINT64)AcpiTable->Rsdp);
ASSERT (AcpiBoardInfo != NULL);
}
}
//
// Create an empty FvHob for the DXE FV that contains DXE core.
//
BuildFvHob ((EFI_PHYSICAL_ADDRESS)0, 0);
BuildFitLoadablesFvHob (DxeFv);
//
// Update DXE FV information to first fv hob in the hob list, which
// is the empty FvHob created before.
//
FvHob = GetFirstHob (EFI_HOB_TYPE_FV);
FvHob->BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)*DxeFv;
FvHob->Length = (*DxeFv)->FvLength;
return EFI_SUCCESS;
}
/**
Entry point to the C language phase of UEFI payload.
@param[in] BootloaderParameter The starting address of FDT .
@retval It will not return if SUCCESS, and return error when passing bootloader parameter.
**/
EFI_STATUS
EFIAPI
FitUplEntryPoint (
IN UINTN BootloaderParameter
)
{
EFI_STATUS Status;
PHYSICAL_ADDRESS DxeCoreEntryPoint;
EFI_PEI_HOB_POINTERS Hob;
EFI_FIRMWARE_VOLUME_HEADER *DxeFv;
#if FixedPcdGetBool (PcdHandOffFdtEnable) == 1
PHYSICAL_ADDRESS HobListPtr;
VOID *FdtBase;
#endif
VOID *FdtBaseResvd;
if (FixedPcdGetBool (PcdHandOffFdtEnable)) {
mHobList = (VOID *)NULL;
} else {
mHobList = (VOID *)BootloaderParameter;
}
DxeFv = NULL;
FdtBaseResvd = 0;
// Call constructor for all libraries
ProcessLibraryConstructorList ();
DEBUG ((DEBUG_INFO, "Entering Universal Payload...\n"));
DEBUG ((DEBUG_INFO, "sizeof(UINTN) = 0x%x\n", sizeof (UINTN)));
DEBUG ((DEBUG_INFO, "BootloaderParameter = 0x%x\n", BootloaderParameter));
DEBUG ((DEBUG_INFO, "Start init Hobs...\n"));
#if FixedPcdGetBool (PcdHandOffFdtEnable) == 1
HobListPtr = UplInitHob ((VOID *)BootloaderParameter);
//
// Found hob list node
//
if (HobListPtr != 0) {
FdtBase = (VOID *)BootloaderParameter;
if (FdtCheckHeader (FdtBase) == 0) {
CustomFdtNodeParser ((VOID *)FdtBase, (VOID *)HobListPtr);
FdtBaseResvd = PayloadAllocatePages (PcdGet8 (PcdFDTPageSize), EfiReservedMemoryType);
}
}
#else
CreatNewHobForHoblist (BootloaderParameter);
#endif
// Build HOB based on information from Bootloader
Status = FitBuildHobs ((UINTN)FdtBaseResvd, &DxeFv);
// Call constructor for all libraries again since hobs were built
ProcessLibraryConstructorList ();
DEBUG_CODE (
//
// Dump the Hobs from boot loader
//
PrintHob (mHobList);
);
FixUpPcdDatabase (DxeFv);
Status = UniversalLoadDxeCore (DxeFv, &DxeCoreEntryPoint);
ASSERT_EFI_ERROR (Status);
Hob.HandoffInformationTable = (EFI_HOB_HANDOFF_INFO_TABLE *)GetFirstHob (EFI_HOB_TYPE_HANDOFF);
HandOffToDxeCore (DxeCoreEntryPoint, Hob);
// Should not get here
CpuDeadLoop ();
return EFI_SUCCESS;
}
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