SmbiosDataUpdateDxeNeonCityFPGA

Function Table

Address	Name	Description
	MmioPciRead32
	DebugPrint
	DebugAssert
	ReadUnaligned32
	ReadUnaligned64
	WriteUnaligned64
	IsGuidEqual
	FreePoolAssert
	GetConfigurationTable
	GetPlatformLanguage
	GetNextSmbiosString
	UpdateSmbiosRecord
	RemoveSmbiosRecordsByType
	RemoveSingleSmbiosRecord
	AsciiStrLen
	AsciiStrSize
	StrnLenS
	AsciiStrnLenS
	UnicodeStrnToAsciiStrS
	UpdateSmbiosString
	UpdateSmbiosType08
	UpdateSmbiosType09
	UpdateSmbiosType41
	SmbiosUpdateCallback
	RegisterHiiPackageList
	InitializeDriver
	RegisterSmbiosUpdate
	ModuleEntryPoint
Global	variable declarations (from UEFI library headers and this module)
System	table and boot services (set by sub_38C, consumed by all functions)
0x3928	*static EFI_HII_DATABASE_PROTOCOL gHiiDatabase = NULL; // 0x3948**
0x3930	*static EFI_HII_FONT_PROTOCOL gHiiFont = NULL; // 0x3940**
0x3938	*static VOID gHobList = NULL; // 0x3920**
0x3958	*static EFI_SMBIOS_PROTOCOL gSmbios2 = NULL; // 0x3968**
0x3970	*static EFI_SMBIOS_PROTOCOL gSmbios4 = NULL; // 0x3978**
0x3960	static EFI_HII_HANDLE gSmbiosStringPack = NULL; // 0x38F0
0x3980	*static EFI_DXE_SERVICES gDS = NULL; // 0x3950**
Debug	output protocol and HOB list
0x3918	(DebugLib protocol)
sub_280	at 0x280	memset to 0 in 8-byte chunks plus trailing bytes
sub_300	at 0x300 + sub_20AC at 0x20AC
CopyMem	implementation with forward/backward overlap detection
PCI	config access via MmPciBase (USRA protocol)
sub_2064	at 0x2064
Build	**the USRA address: (Bus	Device<<8	Func<<13) << 12 + Register**
Call	MmPciBase->Read(Address) at offset +24 (0x18)
Debug	output functions
sub_1044	at 0x1044
Allocates	31 bytes then frees as a guard, then calls LocateProtocol
for	the DebugLib protocol GUID at 0x31C0
Only	proceed if AllocatePool succeeded (environments may not have it)
sub_10C4	at 0x10C4
Read	CMOS register 0x4B via RTC ports 0x70/0x71
0x4B	= CMOS debug level register
Values	> 3 are invalid	use current value unless it's 0
sub_114C	at 0x114C
ReadUnaligned	helpers
sub_12AC	at 0x12AC
sub_12DC	at 0x12DC
sub_130C	at 0x130C
sub_11D4	at 0x11D4
Memory	allocation helpers
sub_137C	at 0x137C
sub_13A4	at 0x13A4
UEFI	configuration table / HOB list operations
sub_13E8	at 0x13E8 (EfiGetSystemConfigurationTable)
sub_16E8	at 0x16E8
Language	/ platform string operations
sub_14AC	at 0x14AC
sub_15A4	at 0x15A4
Skip	over semicolons
Fall	back to first language in SupportedLanguages
HII	string and package operations
sub_1A44	at 0x1A44
Skip	the "Language" lookup used in the original code
which	calls gHiiString->GetString() at [gHiiString + 0x18] (offset +24)
Query	required buffer size
Language	string (or NULL for auto)
sub_176C	at 0x176C (full version with language resolution)
Get	platform language
The	HII handle might need language-specific string resolution
FindLanguage	would select the best match
Fallback	to default language
SMBIOS	string management
sub_1DC8	at 0x1DC8
Original	code: reads from offset +1
End	of string area
String	too long, abort
sub_1E1C	at 0x1E1C	calls gSmbios3->RemoveString(0, -2, Buffer)
and	gSmbios3->Add()
Lazy	init of gSmbios3
Remove	all strings from the record (StringId=0, then call with -2 marker)
then	add the record
sub_1FB4	at 0x1FB4
Lazy	init gSmbios2
Count	existing records of this type
Remove	each record
sub_1F50	at 0x1F50
Lazy	init gSmbios4
String	handling utilities
sub_2148	at 0x2148
sub_21B4	at 0x21B4
Equivalent	to AsciiStrLen(String) + 1
sub_2280	at 0x2280
Must	be 2-byte aligned
sub_22E8	at 0x22E8
sub_2314	at 0x2314
Check	overlap
Overlap	detected
Perform	the copy, narrowing CHAR16 to CHAR8
Must	fit in CHAR8
HII	string concatenation with SMBIOS record update
sub_1AE8	at 0x1AE8
Convert	Unicode to ASCII
Find	the string's insertion position in the SMBIOS string area
Skip	strings for higher language indices
Count	this string as 1 language variant
NULL	byte	skip
Build	the concatenated string area
Copy	header + strings before insertion point
Copy	new string
Copy	remaining string area
Calculate	final size
SMBIOS	Type 8 update (Port Connector Information)
Data	table for SMBIOS type 8 port connector entries.
Each	entry is 10 bytes (5 words), defining the string token IDs for each
port	slot on this platform. There are 0x15 (21) entries	one per slot.
Entry	structure (10 bytes = 5 x UINT16):
Word	0: String token for PortInternalConnectorDesignator
Word	1: String token for PortExternalConnectorDesignator (repeated for second string)
Byte	at +4: port type byte for internal variant
Byte	at +5: port type byte for external variant
Byte	at +6: port type byte
Byte	at +7: port type byte
Byte	at +8: port type byte
Byte	at +9: port type byte (continued)
sub_77C	at 0x77C
Table	of string token ID pairs for each of the 21 port connector entries.
Each	entry occupies 10 bytes:
static	*const UINT8 mPortConnectorTable[0x15 10] = {**
strId1	strId2 typ1 typ2 ptyp ext misc misc
Index	0
Index	1
Index	2
Index	3
Index	4
Index	5
Index	6
Index	7
Index	8
Index	9
Index	10
Index	11
Index	12
Index	13
Index	14
Index	15
Index	16
Index	17
Index	18
Index	19
Index	20
Initialize	SMBIOS type 8 record header
8	Type8Rec->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE8); // 9
0xFFFE	// Set port connector fields from table
Get	HII strings for this port
sub_77C	returns 0x8000000000000009
Update	the second string if present
Second	pair of string IDs
repeated	as per original table layout
Submit	or update the SMBIOS record
SMBIOS	Type 9 update (System Slot Information)
sub_A20	at 0xA20
9	Type9Rec->Hdr.Length = 17; // 0x11
0xFFFE	// Clear reserved flags
Bit	2: 3.3V
Bit	0: reserved
Determine	PCI device/function from index
PCIe	Slot 1
0x0B6	= PCI Express x16
x16	break;
PCIe	Slot 2
0x0B5	= PCI Express x8
PCIe	Slot 3
PCI	Express x16
PCIe	Slot 4
PCIe	Slot 5
PCIe	Slot 6
PCI	Express x8
PCIe	Slot 7
OCP	(mezzanine) slot
0x0A1	= OCP NIC 3.0
Read	PCI vendor/device via MmPciBase to detect presence
No	device present
Read	programming interface / revision
Read	segment group / bus number
Set	slot characteristics based on function
Device	present	check for hotplug
Use	hotplug or default
Get	HII string for slot designation
Slot	1 designation
Slot	2 designation
Slot	3 designation
Slot	4 designation
Slot	5 designation
Slot	6 designation
Slot	7 designation
OCP	slot designation
Submit	record
SMBIOS	Type 41 update (Onboard Devices Extended Information)
sub_D98	at 0xD98
41	Type41Rec->Hdr.Length = 11; // 0x0B
0xFFFE	Type41Rec->Type = 1; // Other
Enabled	switch (Index) {
Onboard	SATA controller
SATA	or other
Token	28
Onboard	USB controller
Token	29
Onboard	network / BMC
Token	30
Extended	info
Onboard	management controller
Token	31
Get	HII string for this device
SATA	29, // USB
LAN	31 // BMC
UBA	SmbiosUpdate callback (main entry for SMBIOS record updates)
sub_F54	at 0xF54
Step	1: Update SMBIOS type 8 records (21 port connectors)
Step	2: Remove old type 9 records, then recreate 8 slot records
Step	3: Remove old type 41 records, then recreate 4 device records
Free	temp buffer
HII	package list management
sub_1908	at 0x1908
Build	a properly formatted package list from the raw GUID + string data
The	raw package list starts with GUID + size header
Calculate	total buffer size
Allocate	buffer for the package list
Copy	the raw data and package
Copy	GUID (from 0x3890 area) and package data
Copy	string packages
Offset	0x20 in buffer = first string package
Register	via HII database protocol
Driver	initialization
sub_38C	at 0x38C
Actually	gEfiHiiConfigRoutingProtocolGuid
Driver	entry point	register UBA SmbiosUpdate callback
sub_654	at 0x654
Locate	the UBA board protocol
Same	GUID as RomLayoutDxe uses
Copy	board protocol GUID into the protocol interface
Register	HII package list
Build	the SmbiosUpdate callback registration block
v6	layout:
Get	the UBA SmbiosUpdate protocol (event protocol at 0x31E0)
Update	type for SMBIOS data
Register	the callback with the UBA SmbiosUpdate protocol
_ModuleEntryPoint	at 0x370

Generated by HR650X BIOS Decompilation Project