
..
ArpDxe	Full restructure	7 days ago
NvramSmm.c	Recovering names (well, look still has huge cleanups)	7 days ago
NvramSmm.h	Recovering names (well, look still has huge cleanups)	7 days ago
NvramSmm.md	Restructure the repo	7 days ago
README.md	Restructure the repo	7 days ago

NvramSmm

Field	Value
Index	0168
Size	78 KB
Phase	SMM
Source	`AmiModulePkg/NVRAM/NvramSmm/NvramSmm.c`

Overview

SMM NVRAM variable services driver. It handles variable access through SMI
communication, SecureBoot-aware policy checks, variable migration, and the
mailbox-backed NVRAM store state used by runtime overrides.

Key Functions

SmiNvramCommHandler - SMI dispatch for variable operations
NvramCoreInit - store initialization from HOB/mailbox state
RuntimeGetVariable / RuntimeSetVariable - runtime service overrides
SecureBootSetVariable - PK/KEK-aware variable writes
NvramHobRetrieve - NVRAM HOB discovery and store setup

Protocols / Dependencies

EFI_SMM_BASE2_PROTOCOL
EFI_SMM_ACCESS2_PROTOCOL
SMM Buffer Validation Protocol
AmiCryptoLib
SMM Communication Buffer

Platform

Intel Purley (Skylake-SP) / HR650X server, AmiModulePkg/NVRAM/NvramSmm