IioCfgUpdateDxeLightningRidgeEXECB3

Function Table

Address	Name	Description
	ModuleEntryPoint
	IioCfgUpdateEntryPoint
	UbaDebugPrint
	UbaDebugAssert
	IsHobListGuid
	ReadUnaligned64
UBA	IIO Configuration Protocol GUID
Image	offset: 0xBC0 (16 bytes)
STATIC	CONST EFI_GUID mUbaIioCfgProtocolGuid = UBA_IIO_CFG_PROTOCOL_GUID;
IIO	Table 1 GUID
Image	offset: 0xBD0 (16 bytes)
STATIC	CONST EFI_GUID mIioCfgTable1Guid = IIO_CFG_TABLE_1_GUID;
IIO	Table 2 GUID
Image	offset: 0xBE0 (16 bytes)
STATIC	CONST EFI_GUID mIioCfgTable2Guid = IIO_CFG_TABLE_2_GUID;
IIO	Table 3 GUID
Image	offset: 0xBF0 (16 bytes)
STATIC	CONST EFI_GUID mIioCfgTable3Guid = IIO_CFG_TABLE_3_GUID;
IIO	Table 4 GUID
Image	offset: 0xC00 (16 bytes)
STATIC	CONST EFI_GUID mIioCfgTable4Guid = IIO_CFG_TABLE_4_GUID;
EFI	HOB List GUID
Image	offset: 0xC10 (16 bytes)
Used	by IsHobListGuid() to identify the HOB list in ConfigurationTable[].
STATIC	CONST EFI_GUID mEfiHobListGuid = EFI_HOB_LIST_GUID;
UBA	Debug Library Protocol GUID
Image	offset: 0xBD0 (duplicate of IIO Table 1 GUID	the decompiler
references	0xBD0 as the debug lib protocol GUID in sub_510).
STATIC	CONST EFI_GUID mUbaDebugLibProtocolGuid = UBA_DEBUG_LIB_PROTOCOL_GUID;
gImageHandle	-- UEFI image handle for this driver.
Image	offset: 0xDB0
EFI_HANDLE	gImageHandle = NULL;
gST	-- UEFI System Table pointer.
Image	offset: 0xDA0
EFI_SYSTEM_TABLE	*gST = NULL;
gBS	-- UEFI Boot Services pointer.
Image	offset: 0xDA8
EFI_BOOT_SERVICES	*gBS = NULL;
gRT	-- UEFI Runtime Services pointer.
Image	offset: 0xDB8
EFI_RUNTIME_SERVICES	*gRT = NULL;
mUbaDebugProtocol	-- Cached UBA debug protocol pointer.
Image	offset: 0xDC0
Resolved	lazily by LocateUbaDebugProtocol().
VOID	*mUbaDebugProtocol = NULL;
mHobList	-- Cached HOB list pointer.
Image	offset: 0xDC8
Resolved	lazily by GetHobList().
VOID	*mHobList = NULL;
Step	1: Cache UEFI standard pointers globally.
gImageHandle	= ImageHandle;
Step	2: Validate non-NULL and cache boot/runtime services.
if	(ImageHandle == NULL) {
Step	3: Resolve the HOB list (cached in mHobList).
GetHobList	();
Step	4: Dispatch the IIO configuration update.
Status	= IioCfgUpdateEntryPoint ();
Step	1: Initialize output variable and emit platform banner.
UbaProtocol	= NULL;
Step	2: Locate the UBA IIO configuration protocol.
Status	= gBS->LocateProtocol (
Step	3: Register the four IIO PCIe topology configuration tables.
Each	call passes the same PIIO header structure (48 bytes) but keyed
by	a different table GUID.
The	AddConfig function is at vtable index 2 (offset 0x10):
EFI_STATUS	*(AddConfig)(**
VOID	*This
CONST	*EFI_GUID ConfigGuid**
CONST	*VOID ConfigData**
UINTN	ConfigDataSize
Table	1: Primary IIO topology
Status	*= ((EFI_STATUS ()(VOID* , CONST EFI_GUID , CONST VOID , UINTN))**
Table	2: Secondary IIO topology
Table	3: Tertiary IIO topology
Table	4: Quaternary IIO topology
Return	cached pointer if already resolved.
if	(mUbaDebugProtocol != NULL) {
Perform	pool size sanity check.
Allocate	and immediately free a 31-byte buffer. If the returned pool
size	is <= 0x10, the system is in a state where protocol resolution
would	also fail, so bail out early.
Locate	the UBA debug protocol.
Resolve	the UBA debug protocol (lazy init).
Protocol	= LocateUbaDebugProtocol ();
Read	CMOS register 0x4B to determine the board platform type.
Access	sequence:
CmosValue	= IoRead8 (0x70);
Determine	platform type from CMOS value.
If	value is > 3 and equals 0, fall back to MMIO strapping register.
if	(PlatformType > 3) {
Select	debug mask based on platform type.
Type	1 = LightningRidge, others use a broader mask.
if	(PlatformType == 1) {
Check	if the error level matches the platform debug mask.
if	((DebugMask & ErrorLevel) == 0) {
Call	the protocol's DebugPrint function (vtable offset 0x00).
VA_START	(VaList, Format);
Call	the protocol's assertion handler (vtable offset 0x08).
if	(mHobList != NULL) {
Initialize	cache to NULL before scanning.
Scan	the configuration table array for the HOB list GUID.
if	(ConfigTable != NULL) {
If	the GUID was not found, trigger a debug assert.
if	(mHobList == NULL) {
EFI_NOT_FOUND	);
If	the resolved pointer itself is NULL, trigger another assert.
Compare	GUID as two 64-bit halves.
return	(ReadUnaligned64 (&mEfiHobListGuid) == ReadUnaligned64 (Guid))
Validate	buffer pointer is not NULL.
if	(Buffer == NULL) {
Dereference	directly.
return	(CONST UINT64 )Buffer;

Generated by HR650X BIOS Decompilation Project