com.intel.BootGuard.KeyManifest

BootGuard com.intel.Acm

com.intel.BootGuard.BootPolicy

UEFI firmware image viewer and editor

The Driver Execution Environment phase is where most of the system initialization is performed.

This is the first module taking control of the platform upon power-on/reset. It implements the first phase of the security phase. The entry point function will switch to protected mode, setup flat memory model, enable temporary memory and call into SecStartup().

The Pre-EFI Initialization phase is invoked early in the boot flow.

PeiMain module is core module in PEI phase. It takes initializes memory, dispatches PEIM from discovered and then hands-off control to DxeIpl to load DXE core and enter DXE phase.

Intel CPU Microcode

Intel CPU Microcode

Intel CPU Microcode

Intel CPU Microcode

The Pre-EFI Initialization phase is invoked early in the boot flow.

The USB Bus Peim driver is used to support recovery from usb device. The USB Bus PEIM driver is used to support recovery from USB devices.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Produces the CPU I/O PPI by using the services of the I/O Library.

This module searches (by GUID) hash tables for DXE and DXE verification.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Capsule update PEIM supports EFI and UEFI. Caution: This module requires additional review when modified. This driver will have external input of a capsule image.

The XhcPeim driver is responsible for managing the behavior of XHCI controller at PEI phase. It produces gPeiUsb2HostControllerPpiGuid based on gPeiUsbControllerPpiGuid which is used to enable recovery function from USB Drivers.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Firmware Performance Pei Module. In S3 resume boot mode, it updates S3 Resume Performance Record in ACPI Firmware Performance Data Table. This module register report status code listener to collect performance data for S3 Resume Performance Record on S3 resume boot path.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Initializes TPM 2.0 device and measure FVs in PEI phase This module will initialize TPM device, measure reported FVs and BIOS version.

This module works with StandAloneBootScriptExecutor to S3 resume to OS. This module will execute the boot script saved during last boot and after that, control is passed to OS waking up handler.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Intel RST driver that check hardware part numbers for being supported.

The X64 entrypoint to process capsule in long mode. This module is built as X64. Caution: This module requires additional review when modified. This driver will have external input of a capsule image.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Last PEIM executed in PEI phase to load DXE Core from a Firmware Volume. This module produces a special PPI named the DXE Initial Program Load (IPL) PPI to discover and dispatch the DXE Foundation and components that are needed to run the DXE Foundation.

The USB mass storage device Peim driver is used to support recovery from USB device. The USB mass storage device PEIM driver is used to support recovery from USB devices.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Pre-EFI Initialization FAT driver for FVMAIN.FV firmware recovery.

Initializes TPM device and measures FVs in PEI phase This module will initialize TPM device, measure reported FVs and BIOS version. This module may also lock TPM physical presence and physicalPresenceLifetimeLock.

The Pre-EFI Initialization phase is invoked early in the boot flow.

This PEIM retrieves the SMM communication context and produces PEI SMM Communication PPI in the S3 boot mode.

Provides read, write and modify access to PCI configuration space in PEI phase. To follow PI specification, these services also support access to the unaligned PCI address.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Produces a PPI to indicate whether to lock TPM in PEI phase This module produces PEI_LOCK_PHYSICAL_PRESENCE_PPI to indicate whether TPM physical presence needs to be locked. It can be replaced by a platform specific module.

PCD PEIM produces PCD database to manage all dynamic PCD in PEI phase and install Pcd Ppi service. This version PCD PEIM depends on the external PCD database binary file, not built-in PCD database.

Sets board configuration during Pre-EFI Initialization.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Pre-EFI module for platform init before memory has been set up.

Fault Tolerant Write PEI Driver. This module installs gEdkiiFaultTolerantWriteGuid PPI to inform the check for FTW last write data has been done.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Pre-EFI Initialization phase is invoked early in the boot flow.

This module appears to store all of the error logs pertaining to system restarts and firmware corruptions, as determined by the Pre-EFI Initialization Phase (PEI) of execution in the 3-step UEFI boot sequence.

Report Status Code Router is a PEIM that produces Report Status Code Handler PPI and Status Code PPI.

The Pre-EFI Initialization phase is invoked early in the boot flow.

Implements ReadOnly Variable Services required by PEIM and installs PEI ReadOnly Varaiable2 PPI. This module implements ReadOnly Variable Services required by PEIM and installs PEI ReadOnly Varaiable2 PPI.

The Emulated EEPROM component emulates an EEPROM device in the flash memory of a PSoC, providing simplified access to non-volatile memory.

Pre-EFI Initialization Module for Embedded Controller I/O.

Video driver based on legacy bios. This driver by using Legacy Bios protocol service to support csm Video and produce Graphics Output Protocol.

This is the interrupt handling module for Compatibility Support Module (CSM).

This is the interrupt handling module for Compatibility Support Module (CSM).

Sets board configuration during Pre-EFI Initialization.

Pre-EFI Initialization Module for SATA bus.

Pre-EFI Initialization Module for the USB. Used to support recovery from USB device.

Platform Initialization Firmware Volume Specification that the Intel Firmware Support Package follows.

The Pre-EFI Initialization phase is invoked early in the boot flow.

The Driver Execution Environment phase is where most of the system initialization is performed.

This driver produces security2 and security architectural protocol based on SecurityManagementLib.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

Provides SMM variable service. This module installs SMM variable protocol into SMM protocol database, which can be used by SMM driver, and installs SMM variable protocol into BS protocol database, which can be used to notify the SMM Runtime Dxe driver that the SMM variable service is ready. This module should be used with SMM Runtime DXE module together. The SMM Runtime DXE module would install variable arch protocol and variable write arch protocol based on SMM variable module. Caution: This module requires additional review when modified. This driver will have external input - variable data and communicate buffer in SMM mode. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow.

Provides ACPI metholds for TPM 2.0 support This driver implements TPM 2.0 definition block in ACPI table and registers SMI callback functions for TCG2 physical presence and MemoryClear to handle the requests from ACPI method. Caution: This module requires additional review when modified. This driver will have external input - variable and ACPINvs data in SMM mode. This external input must be validated carefully to avoid security issue.

This module uses a Binary Data (BDAT) Command to verify the Client Host over SMTP.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

Enable one click install for Intel Rapid Start Technology.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module is the Phoenix USB switch protocol driver.

This module produces EFI ARP Protocol upon EFI MNP Protocol, to provide a generic implementation of the Address Resolution Protocol that is described in RFCs 826 and 1122.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

Integrated Clock Controller.

This module collects performance data for SMM driver boot records and S3 Suspend Performance Record. This module registers report status code listener to collect performance data for SMM boot performance records and S3 Suspend Performance Record.

Sample ACPI Platform Driver

The Driver Execution Environment phase is where most of the system initialization is performed.

Component description file for FAT module. This UEFI driver detects the FAT file system in the disk. It also produces the Simple File System protocol for the consumer to perform file and directory operations on the disk.

Produces the SMM CPU I/O 2 Protocol by using the services of the I/O Library.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

Client-side Mtftp6 service. This module produces EFI MTFTPv6 Protocol which provides basic services for client-side unicast and/or multicast TFTP.

PI SMM Communication SMM driver that saves SMM communication context for use by SMM Communication PEIM in the S3 boot mode.

Touch panel driver for I²C bus.

A driver allocates common SMM communication buffer in EfiReservedMemoryType. This driver allocates common SMM communication buffer in EfiReservedMemoryType, then it publishes the information to EFI configuration table with gEdkiiPiSmmCommunicationRegionTableGuid. Any other driver or application can get the table and know the common communication buffer.

The Driver Execution Environment phase is where most of the system initialization is performed.

This provides support for boot options in the BootMaint User Interface.

Produces the CPU I/O 2 Protocol by using the services of the I/O Library.

The Driver Execution Environment phase is where most of the system initialization is performed.

USB Mass Storage Driver that manages USB mass storage devices and produces Block I/O Protocol. The USB mass storage class is specified in two layers: the bottom layer is the transportation protocol. The top layer is the command set. The transportation layer provides the transportation of the command, data and result. The command set defines the command, data and result. The Bulk-Only-Transport and Control/Bulk/Interrupt transport are two transportation protocol. USB mass storage class adopts various industrial standard as its command set. This module refers to following specifications: 1. USB Mass Storage Specification for Bootability, Revision 1.0 2. USB Mass Storage Class Control/Bulk/Interrupt (CBI) Transport, Revision 1.1 3. USB Mass Storage Class Bulk-Only Transport, Revision 1.0. 4. UEFI Specification, v2.1

The Driver Execution Environment phase is where most of the system initialization is performed.

Produces the UEFI Random Number Generator protocol This module will leverage Intel Secure Key technology to produce the Random Number Generator protocol, which is used to provide high-quality random numbers for use in applications, or entropy for seeding other random number generators. Refer to http://software.intel.com/en-us/articles/intel-digital-random-number -generator-drng-software-implementation-guide/ for more information about Intel Secure Key technology.

Intel Dynamic Platform and Thermal Framework (DPTF) hosts various platform level power and thermal management technologies.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module sets up CPU Power Management during Platform Initialization.

The Driver Execution Environment phase is where most of the system initialization is performed.

Report Status Code Router Driver which produces SMM Report Stataus Code Handler Protocol and SMM Status Code Protocol. Report Status Code Router Driver that produces SMM Report Status Code Handler Protocol and SMM Status Code Protocol.

It implements the interfaces of monitoring the status of all ports and transferring Control, Bulk, Interrupt and Isochronous requests to Usb2.0 device. to the EHCI controller before the UHCI driver attaches to the companion UHCI controller. This way avoids the control transfer on a shared port between EHCI and companion host controller when UHCI gets attached earlier than EHCI and a USB 2.0 device inserts.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module is the Phoenix USB HID report descriptor driver.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module provides a Hardware Security Test Interface (HSTI) for Silicon Supplier test during platform initialization.

The Timer Library provides functions for nanosecond and microsecond delays. This generic implementation produces a fixed TickPeriod of 100ns unit, and when the WaitForTick() service is called, the number of ticks passed in is converted to either nanosecond or microsecond units.

This module produces the UEFI boot service GetNextMonotonicCount() and runtime service GetNextHighMonotonicCount().

The Driver Execution Environment phase is where most of the system initialization is performed.

Produces an instance of the ISA I/O Protocol for every SIO controller. Produces an instance of the ISA I/O Protocol for every SIO controller. The ISA I/O protocols are installed based off of the information provided by each instance of the SIO Protocol found.

The DXE driver produces HII protocols defined in UEFI specification. This driver produces all required HII serivces that includes HiiDataBase, HiiString, HiiFont, HiiConfigRouting.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module produces EFI IPv4 Protocol upon EFI MNP Protocol and EFI ARP Protocol, to provide basic network IPv4 packet I/O services, which includes support for a subset of the Internet Control Message Protocol (ICMP) and may include support for the Internet Group Management Protocol (IGMP).

DXE driver to verify security policies and load AbsoluteComputraceInstallerDxe.

The Driver Execution Environment phase is where most of the system initialization is performed.

The PCI bus driver will probe all PCI devices and allocate MMIO and IO space for these devices. Please use PCD feature flag PcdPciBusHotplugDeviceSupport to enable hot plug supporting.

The Driver Execution Environment phase is where most of the system initialization is performed.

S3 SMM Boot Script Save State driver. It will install S3 SMM Save State protocol to store or record various IO operations to be replayed during an S3 resume.

This module validates HSTI test results.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

Initilizes MemoryOverwriteRequestControl variable This module will clear MOR_CLEAR_MEMORY_BIT bit if it is set.

8259 Interrupt Controller driver that provides Legacy 8259 protocol.

This module populates the EFI System Resource Table (ESRT).

The Driver Execution Environment phase is where most of the system initialization is performed.

The PC8374L includes legacy SuperI/O functions, system glue functions, health monitoring and control, commonly used functions such as GPIO, and ACPI-compliant Power Management support.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

Console support on graphic devices. This driver will install Simple Text Output protocol by consuming Graphices Output protocol or UGA Draw protocol on graphic devices.

This module produces EFI MTFTPv4 Protocol and EFI MTFTPv4 Service Binding Protocol. This module produces EFI MTFTPv4 Protocol upon EFI UDPv4 Protocol, to provide basic services for client-side unicast and/or multicase TFTP operations.

Enable hot plug support for PCI-E ports.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module produces EFI UDP(User Datagram Protocol) Protocol upon EFI IPv4 Protocol, to provide basic UDPv4 I/O services.

The Driver Execution Environment phase is where most of the system initialization is performed.

System Agent (otherwise known as uncore/MCH/northbridge) initialization package.

This module produces the logical Block I/O device that represents the bytes from Start to End of the Parent Block I/O device. The partition of physical BlockIo device supported is one of legacy MBR, GPT, and "El Torito" partitions. Caution: This module requires additional review when modified. This driver will have external input of a disk partition.

The Driver Execution Environment phase is where most of the system initialization is performed.

System Agent (otherwise known as uncore/MCH/northbridge) Smm initialization.

This module provides access to SATA Secure Erase commands, and is loaded in DXE when storage device drivers are loaded.

This module install ACPI Boot Graphics Resource Table (BGRT). This module installs the ACPI Boot Graphics Resource Table (BGRT).

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

This is the main interface between EFI and the Compatibility Support Module (CSM) module.

This module provides basic network IPv6 packet I/O services which includes support for Neighbor Discovery Protocol (ND), Multicast Listener Discovery Protocol (MLD), and a subset of the Internet Control Message Protocol (ICMPv6). This driver also provides the mechanism to set and get various types of configurations for the EFI IPv6 network stack.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The SCSI bus driver scans all SCSI devices and creates a device handle for each of them. Note that the driver will install the Device Path Protocol and SCSI I/O Protocol on these handles.

This is core module in DXE phase. It provides an implementation of DXE Core that is compliant with DXE CIS.

The Host Embedded Controller Interface (HECI) is technology used for Active Management Technology (AMT) in Intel chipsets.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module provides support for touchscreen and tablet input devices.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module produces EFI DHCPv4 Protocol upon EFI UDPv4 Protocol, to provide the capability to collect configuration information for the EFI IPv4 Protocol drivers and to provide DHCPv4 server and PXE boot server discovery services.

This module resets the Intel ME Platform to original settings.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module produces Deferred Procedure Call Protocol.

The Driver Execution Environment phase is where most of the system initialization is performed.

I2c Dxe driver includes both I2c Bus and Host functionality. This driver produce I2C Host Protocol on I2C controller handle, enumerate I2C devices on I2C bus and produce I2C IO Protocol on I2C devices.

The Driver Execution Environment phase is where most of the system initialization is performed.

Timer Architectural Protocol module using High Precesion Event Timer (HPET). Timer Architectural Protocol module using High Precision Event Timer (HPET).

This module provide an SMM CIS compliant implementation of SMM IPL.

This driver initializes and installs the SMBIOS protocol, constructs SMBIOS table into system configuration table. This driver initializes and installs the SMBIOS protocol, and constructs SMBIOS table into the system configuration table.

This module adds support for Thunderbolt hardware.

This module provides one way to configurate VALN setting. This module produces EFI HII Configuration Access Protocol to provide one way to configurate VALN setting

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

DXE driver that executes inside SMM to support communications with the OS agent and other BIOS components.

Intel Trusted Execution Technology (TXT) module.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

This SMM driver initializes the Platform Controller Hub (PCH).

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

Client-side DHCPv6 services. This driver produces EFI DHCPv6 Protocol which is used to get IPv6 addresses and other configuration parameters from DHCPv6 servers.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

This is used by capsule updates that use the filesystem discovery method.

This module provides USB legacy support via System Management Mode (SMM).

UDP packet service based on IPv6 stack. This module produces EFI UDPv6 Protocol which provides simple packet-oriented services to transmit and receive UDP packets.

The Driver Execution Environment phase is where most of the system initialization is performed.

This SMM driver sets up Power Management.

This module produces Disk I/O protocol to abstract the block accesses of the Block I/O protocol to a more general offset-length protocol to provide byte-oriented access to block media. It adds this protocol to any Block I/O interface that appears in the system that does not already have a Disk I/O protocol. File systems and other disk access code utilize the Disk I/O protocol.

This driver installs Unicode ISO 639-2 Collation and RFC 4646 Unicode Collation 2 protocols based on feature flags PcdUnicodeCollationSupport and PcdUnicodeCollation2Support. It allows code running in the boot services environment to perform lexical comparison functions on Unicode strings for English languages.

ACPI table describing characteristics of an Alert Standard Format (ASF) Alert Sending Device.

The Driver Execution Environment phase is where most of the system initialization is performed.

USB Mouse Driver that manages USB mouse and produces Simple Pointer Protocol. USB Mouse Driver consumes USB I/O Protocol and Device Path Protocol, and produces Simple Pointer Protocol on USB mouse devices. It manages the USB mouse device via Asynchronous Interrupt Transfer of USB I/O Protocol, and parses the data according to USB HID Specification. This module refers to following specifications: 1. Universal Serial Bus HID Firmware Specification, ver 1.11 2. UEFI Specification, v2.1

DXE driver that tracks the BIOS menu for Computrace options to trigger the installation phase for LenovoComputraceLoaderDxe.

Client-side iSCSI service. The iSCSI driver provides iSCSI service in the preboot environment and supports booting over iSCSI.

This SMM driver adds support for Thunderbolt hardware.

Platform Controller Hub (PCH) initialization in DXE.

The Driver Execution Environment phase is where most of the system initialization is performed.

PS2 Mouse Driver. This dirver provides support for PS2 based mice.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Emulated EEPROM component emulates an EEPROM device in the flash memory of a PSoC, providing simplified access to non-volatile memory.

Intel Management Engine BIOS Extension.

This module provides the control for Boot Device Selection.

This module is the password credential driver.

The Driver Execution Environment phase is where most of the system initialization is performed.

Produces TCG2 protocol and measure boot environment This module will produce TCG2 protocol and measure boot environment. Caution: This module requires additional review when modified. This driver will have external input - PE/COFF image. This external input must be validated carefully to avoid security issue like buffer overflow, integer overflow.

The Driver Execution Environment phase is where most of the system initialization is performed.

NVM Express Host Controller Module.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

The Driver Execution Environment phase is where most of the system initialization is performed.

This module is the Runtime DXE part correspond to SMM variable module. It installs variable arch protocol and variable write arch protocol to provide four EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName and QueryVariableInfo and works with SMM variable module together. Caution: This module requires additional review when modified. This driver will have external input - variable data. This external input must be validated carefully to avoid security issues such as buffer overflow or integer overflow.

The Driver Execution Environment phase is where most of the system initialization is performed.