MultiSkuDistinctionDxe

Function Table

Address	Name	Description
	ReadUnaligned64
	CompareGuid
	MsDebugPrint
	MsDebugAssert
	GetMultiSkuInfoFromHob
	InstallSkuProtocol
	MultiSkuDistinctionDxeEntryPoint
Module	globals
Cached	MsDebugProtocol pointer (0 until first successful Lookup).
MS_DEBUG_PROTOCOL	*gMsDebugProtocol = NULL;
Cached	HOB list pointer (0 until first successful GetHobList).
VOID	*gHobList = NULL;
GUID	definitions
Debug	protocol lookup (sub_4C8)
Debug	print wrapper (sub_548)
Read	CMOS RTC index 0x4B	system identification byte.
CmosIdx	= IoRead8 (0x70);
Determine	mask based on SKU byte.
if	(SkuByte > 3) {
SkuByte	= ((volatile UINT8 )0xFDAF0490 & 2)	1;**
Protocol	vtable entry [0] is the DebugPrint function.
return	Protocol->DebugPrint (ErrorLevel, Format, Args);
Assert	wrapper (sub_5D0)
Protocol	vtable entry [1] is the DebugAssert function.
HOB	list retrieval (sub_610)
No	configuration table entries.
MsDebugPrint	(0x80000000, "\nASSERT_EFI_ERROR (Status = %r)\n", 0x800000000000000Eull);
HOB	GUID-ext search (sub_6F0)
Extract	Multi-SKU info from HOB (sub_740)
Walk	the HOB list looking for a GUID-ext HOB whose data matches
Hob	= FindHobByGuid (&gLenovoMultiSkuHobGuid, HobList);
The	3-byte SKU type is at offset 48 from the HOB base.
SKU	Protocol installation (sub_470)
SKU	info not available	still try to publish protocol
with	whatever we have (or the HOB info is not critical).
Not	a unified SKU byte: publish the protocol.
Status	= gBootServices->HandleProtocol (
Entry	Point (sub_344 / _ModuleEntryPoint)
Save	global protocol references.
gImageHandle	= ImageHandle;
GetHobList	();
Read	SKU info from HOB.
Status	= GetMultiSkuInfoFromHob (&SkuInfo);
Check	the SKU type byte.
0x55	= 'U' (unified / unknown SKU)	delay installation.
if	(SkuInfo.SkuType[0] == 0x55) {
Create	an ExitBootServices notification event.
Status	= gBootServices->CreateEvent (
Register	the configuration table entry for the SKU GUID.
return	InstallSkuProtocol ();

Generated by HR650X BIOS Decompilation Project