StaticSkuDataDxeNeonCityEPECB

Function Table

Address	Name	Description
	InitializeUmpProtocol
	ReadUnaligned64
	IsHobMatchingGuid
	AssertPrint
	CheckEfiStatus
	GetBoardTypeFromCmos
	ModuleEntryPoint
Global	UEFI Table Pointers
The	image handle of this driver (set by ModuleEntryPoint).
EFI_HANDLE	gImageHandle = NULL;
Pointer	to the UEFI System Table (set by ModuleEntryPoint).
EFI_SYSTEM_TABLE	*gSystemTable = NULL;
Pointer	to the UEFI Boot Services Table (set by ModuleEntryPoint).
EFI_BOOT_SERVICES	*gBootServices = NULL;
Pointer	to the UEFI Runtime Services Table (set by ModuleEntryPoint).
EFI_RUNTIME_SERVICES	*gRuntimeServices = NULL;
Pointer	to the HOB (Hand-Off Block) list, initialized via DxeHobLib.GetBootModeHobList().
VOID	*mHobList = NULL;
Protocol	GUID definitions (stored in .data section at 0x4060-0x40E0)
Bytes	at 0x4060-0x407F (32 bytes, first 16 = GUID, next 8 = name, next 8 = reserved/ptr)
This	is a UEFI configuration table GUID used to locate platform-specific data.
GUID	mUbaOemGuid1 = { 0x36292936, 0x0E76, 0x31C8, { 0xA1, 0x3A, 0x3A, 0xF2, 0xFC, 0x1C, 0x39, 0x32 } };
Identifies	the UMPT protocol handler GUID.
GUID	mUbaOemGuid2 = { 0x460D3EE0, 0x6352, 0x4548, { 0xB0, 0xA4, 0x58, 0xD5, 0x7B, 0x31, 0x77, 0xE2 } };
UMPT	(UEFI Memory Protocol Table) GUID.
This	GUID identifies the UMPT protocol. The protocol provides memory topology
and	configuration data used by the board-specific SKU dispatch code.
EFI_GUID	gUmpProtocolGuid = UMPT_PROTOCOL_GUID;
Name	string "UMPT" stored alongside the GUID in the protocol registration entry.
CHAR8	mUmpProtocolName[4] = "UMPT";
PIRQ	(PCI Interrupt Routing) protocol GUID.
This	GUID identifies the PIRQ protocol, which provides PCI interrupt routing
configuration	for the board.
EFI_GUID	gPirqProtocolGuid = PIRQ_PROTOCOL_GUID;
Name	string "PIRQ" stored alongside the GUID in the protocol registration entry.
CHAR8	mPirqProtocolName[4] = "PIRQ";
FIX	protocol GUID.
This	GUID identifies the FIX protocol, which provides board-specific fixup
configuration	methods (FIX0-X, FIXV, FIXY, FIXW).
EFI_GUID	gFixProtocolGuid = FIX_PROTOCOL_GUID;
ACPF	(ACPI Path Format) protocol GUID.
This	GUID identifies the ACPF protocol, which exposes the ACPI path format
table	to UBA dispatch code.
EFI_GUID	gAcpfProtocolGuid = ACPF_PROTOCOL_GUID;
NVDIMM	ACPI Path Name Strings (stored in .rdata section)
The	.rdata section contains ACPI path strings organized as:
CCT	(Core Count Table) path strings: SB.CCT0 through SB.CCT8
These	map CPU core count configurations per socket.
CFH	(Core Frequency Header) path strings: SB.CFH0 through SB.CFH8
These	map CPU frequency configuration headers per socket.
NVDIMM	namespace: SB.NVDR
NVDIMM	sub-namespace devices (N000 through N151, organized by socket/channel)
Each	NVDIMM entry has ACPI methods:
FXCD	- Function Code
FXST	- Function Status
FXIN	- Function Input
FXOU	- Function Output
FXBS	- Function Buffer Size
FXFH	- Function File Handle
CENA	- Command Enable
CFIS	- Command Finish Status
PCIe	Root Port FIX methods (per port):
MCTL	- Management Control
FIX	types:
FIX0	- Base FIX method (single entry)
FIXX	- FIX Extension (0..8 per device) with type=0x5B80
FIXV	- FIX Value (0..8 per device) with type=0x5B80
FIXY	- NVDIMM FIX Y (per sub-instance) with type=0x0008
FIXW	- NVDIMM FIX W (per sub-instance) with type=0x0008
ACPI	Path Entry Table (stored in .data section at 0x40E0+)
This	table is organized as arrays of 32-byte ACPI_PATH_ENTRY structures.
The	table is anchored by the ACPI_PATH_FORMAT_TABLE header at 0x9000.
Entry	sections:
Total	entries: ~200+ entries covering all board-configurable ACPI paths
ACPI	Path Format Table header at 0x9000
EntryTable	pointer: 0x40E0 (gAcpiPathEntries)
ACPI_PATH_FORMAT_TABLE	mAcpiPathFormatTable = {
Protocol	registration handles (initialized by entry point)
UINT64	gUmpProtocolHandle = 0;
Forward	Function Declarations
Function	Implementations
Allocate	a pool buffer using BootServices->AllocatePool (index 24 = 3 entries).
PoolSize	= gBootServices->AllocatePool (31);
Locate	the UMPT protocol configuration table entry.
Result	= gBootServices->LocateProtocol (&gUmpOemGuid2, NULL, &CachedHandle);
Initialize	search state.
EntryCount	= 0;
Check	if the SystemTable has a HOB list pointer at offset 104.
if	*((UINT64* )((UINT8 )gSystemTable + 104) != 0) {*
Linear	search through the HOB list.
for	(CurrentEntry = EntryBase; ; CurrentEntry += 24) {
Found	matching entry: extract the HOB pointer at offset +16.
HobList	*= (VOID )(CurrentEntry + 16);
No	matching HOB entry found; trigger ASSERT.
CheckEfiStatus	((EFI_STATUS)(UINTN)0x800000000000000EULL);
SystemTable	has no HOB list; trigger ASSERT.
Read	both GUIDs via unaligned 64-bit reads.
GuidFirst	= ReadUnaligned64 (Entry);
Dispatch	assertion via the protocol's report function (at offset +8 in vtable).
Check	if this is a HOB list pointer validation by examining
the	SystemTable HOB count entry.
GetBootModeHobList	((UINT64)Status);
Get	the UMP protocol handle for dispatch.
ProtocolHandle	= InitializeUmpProtocol ();
Read	CMOS index register 0x70, set index to 0x4B (preserving NMI enable bit).
CmosValue	= IoRead8 (0x70);
Read	the CMOS data register 0x71.
RawCmosResult	= IoRead8 (0x71);
If	the value is > 3, it may indicate a special configuration.
behavior	preserved from the original binary.
if	(RawCmosResult > 3) {
Map	the CMOS result to a dispatch type.
Raw	CMOS value >= 1 and <= 254: valid range (n3_1 - 1 <= 0xFD).
Value	1 -> DispatchType = 0x8000000C (NVDIMM path data dispatch)
Value	2..254 -> DispatchType = 0x80000006 (FIX/PCIe path data dispatch)
Raw	CMOS value 0 or 255: out of range, no dispatch performed
returns	default value of (RawCmosResult - 1).
if	((UINT8)(RawCmosResult - 1) <= 0xFD) {
If	the dispatch type matches the input mask, call the protocol function.
if	((DispatchType & (UINT64)InputValue) != 0) {
Save	the global UEFI table pointers.
gImageHandle	= ImageHandle;
Initialize	the HOB list for later use (DxeHobLib compatibility).
GetBootModeHobList	();
Locate	the OEM configuration table entry (UMPT protocol GUID)
to	obtain the protocol handle for subsequent registrations.
Register	the ACPI path format table.
This	installs the mAcpiPathFormatTable (containing "ACPF" signature
and	pointer to the ACPI path entries) as the protocol interface.
Status	*= ((EFI_STATUS ()(UINT64, VOID* , VOID , UINTN)) \*
Register	the PIRQ protocol interface.
Register	the FIX protocol interface.
return	*((EFI_STATUS ()(UINT64, VOID* , VOID , UINTN)) \*

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