SmbiosBoard

Function Table

Address	Name	Description
	SmbiosBoardEntryPoint
	GetConfigTable
	IoRead32
	GetBoardType
	WriteBoardConfig
	GetPciExpressBaseAddress
	LocateMmPciBaseProtocol
	UnsupportedStub
	MmPciAccess
	DestructorDispatch
	DebugAssert
	ReadUnaligned64
	CompareGuid
	NullCallback
	ReadTsc
	ReadCallerEflags
	CpuPause
	EnableInterrupts
	DisableInterrupts
SmbiosBoard	Protocol GUID:
EFI_GUID	gSmbiosBoardProtocolGuid = SMBIOS_BOARD_PROTOCOL_GUID;
EFI_GUID	gMmPciBaseProtocolGuid = MMPCI_BASE_PROTOCOL_GUID;
Library	instance globals (populated at entry)
EFI_HANDLE	gImageHandle = NULL;
SmbiosBoard	Protocol instance.
Contains	board data and function dispatch table installed at entry.
STATIC	SMBIOS_BOARD_PROTOCOL mSmbiosBoardProtocol = {
BoardData	- board type and identification bytes
Reserved	//
LocateMmPci	- LocateMmPciBaseProtocol
Destructor	callback table (terminated by NULL entry)
STATIC	*VOID (mDestructorTable[])(VOID) = {**
Initialize	library globals
gImageHandle	= ImageHandle;
Locate	DxeServicesTable from configuration table
Status	= GetConfigTable (&gEfiDxeServicesTableGuid, (VOID )&gDS);**
Locate	MmPciBase protocol for PCI configuration space access
if	(mPciUsra == NULL) {
Initialize	HOB list
GetHobList	();
Get	PCD protocol for PCIe configuration
PcdProtocol	= GetPcdProtocol ();
Read	PCI Express base address from PCD token 5
mPciExpressBaseAddress	= PcdProtocol->Get64 (5);
Get	PCIe segment/bus table size from PCD token 7
PciSegBusTableSize	= (UINT64)PcdProtocol->Get64 (7);
Copy	PCIe segment/bus table to static buffer
CopyMem	*((VOID )(UINTN)&mSmbiosBoardProtocol.PcdSizeConstant**
Write	board configuration flag to PCI config space
if	(GetPciExpressBaseAddress () >= 0) {
Read	board type from CMOS/RTC
Eflags	= ReadCallerEflags ();
Timed	*spin-wait loop: wait ~2 seconds (33554432 TSC ticks)**
TscStart	= ReadTsc ();
Restore	interrupt state
if	(InterruptsWereEnabled) {
Install	SmbiosBoard protocol
Read	CMOS register 0x4B
Preserve	NMI mask (bit 7) in index register 0x70
CmosIndex	= __inbyte (0x70);
CMOS	battery may be dead; read chipset straps from
BoardIdAdjusted	= ((volatile UINT8 )(UINTN)0xFDAF0490) & 2	1;**
Token	1024064 / 1024068 corresponds to the PCIe base address PCD
if	(Address & ~0xFFFFFFF) {
In	UEFI, the address validation is for addresses with bits beyond
the	28-bit PCIe MMIO window	the ASSERT below would fire
The	protocol's entry at offset 0x20 (index 4 into vtable)
is	expected to be a function with:
For	this driver, Operation=4, with a result buffer.
Result	= 1;
Locate	StatusCode Runtime Protocol for debug output
Status	= gBS->LocateProtocol (
Report	status code with the assertion message
Src	= &Src[Length - 1];
Copy	remainder byte-by-byte (backwards)
for	( ; Length != 0; Length--) {
No	overlap or Source after Destination: copy forwards
Count	= Length;
Copy	remaining bytes

Generated by HR650X BIOS Decompilation Project