UsbOcUpdateDxeLightningRidgeEXECB4

Function Table

Address	Name	Description
	GetUsbOcConfigTables
	DebugPrintEx
	ReportAssertion
	ReadUnaligned64Ex
	CompareGuidEx
	_ModuleEntryPoint
EFI_BOOT_SERVICES	*gBS = NULL;
These	tables are embedded in the .data section at the addresses
returned	by GetUsbOcConfigTables(). The values map USB physical
ports	to overcurrent sense pins.
0xba0	(mUsbOcTableDefault): {0,0,0,0, 1,1,1,1, 2,2,2,2}
0xbd0	(mUsbOcTableAlt): {0,0,0,0, 0,0,1,1, 1,1,2,2}
0xc10	(mUsbOcTableExt): all 0x0702
USB_OC_CONFIG_TABLE	mUsbOcTableDefault = {
EFI_GUID	{2638009e-3850-4e4b-b05d-042a32dbb9d1}
STATIC	CONST EFI_GUID mUbaProtocolGuid = UBA_USBOC_PROTOCOL_GUID;
STATIC	CONST EFI_GUID mEfiHobListGuid = EFI_HOB_LIST_GUID;
STATIC	CONST EFI_GUID mUsbOcHobGuid = USBOC_HOB_GUID;
GetUsbOcConfigTables	// ============================================================================
Allocate	pool for the protocol structure (minimum 16 bytes).
Status	= gBS->AllocatePool (EfiBootServicesData, 16, (VOID )&Protocol);**
Locate	the UBA USB OC protocol by GUID.
Status	= gBS->LocateProtocol (
Cache	the protocol pointer.
mUbaProtocol	= Protocol;
Read	board revision from RTC CMOS index 0x4B.
Preserve	NMI mask (bit 7) in the index register.
IoWrite8	**(RTC_INDEX_PORT, IoRead8 (RTC_INDEX_PORT) & 0x80	CMOS_BOARD_REV_INDEX);**
If	the raw CMOS value is out of range, try to refine it.
if	((UINT8)BoardRev > BOARD_REV_MAX) {
Board	rev appears invalid. If the raw value is 0, check the
hardware	strap at the MMIO address.
if	(BoardRev == 0) {
Determine	the filter mask.
if	((UINT8)(BoardRev - 1) <= 0xFD) { // BoardRev >= 1
0x80000006	if (BoardRev == 1) {
0x80000004	}
Check	if our debug mask passes the filter.
if	((FilterMask & DebugMask) == 0) {
EFI_SYSTEM_TABLE	structure (field after RuntimeServices).
TableCount	*= (UINTN* )((UINT8 )SystemTable + 104);*
No	configuration tables	log assertion.
DebugPrintEx	(DEBUG_MASK_INIT, "\nASSERT_EFI_ERROR (Status = %r)\n", 0x800000000000000ELL);
Each	*entry is 24 bytes: { EFI_GUID Guid; VOID Table; }.**
for	(Index = 0; Index < TableCount; Index++) {
Compare	the table's GUID with gEfiHobListGuid.
if	(CompareGuidEx (
Found	the HOB list entry. The table pointer is at offset 16
within	each configuration table entry.
HobList	*= (VOID** )((UINT8 )SystemTable + 112 + Index 24 + 16);**
HOB	list not found	this is an error condition.
If	the HOB list was found, verify it is non-NULL.
if	(HobList == NULL) {
gImageHandle	= ImageHandle;
GetHobList	(SystemTable);
DebugPrintEx	(
Minimum	protocol structure size
The	protocol buffer is installed with the board-specific GUID.
The	consumer (USB stack) will use this protocol to determine
USB	port-to-overcurrent-pin mappings.
Status	= gBS->InstallProtocolInterface (

Generated by HR650X BIOS Decompilation Project