BootGuard com.intel.Acm

com.intel.BootGuard.KeyManifest

com.intel.BootGuard.BootPolicy

UEFI firmware image viewer and editor

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

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

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

Sets board configuration during Pre-EFI Initialization.

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

Pre-EFI Initialization Module for SATA bus.

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().

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.

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.

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.

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

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

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.

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 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.

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.

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

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

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.

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

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

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.

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.

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

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.

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

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

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

Sets board configuration during Pre-EFI Initialization.

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.

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 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.

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

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

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

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.

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

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

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

Intel CPU Microcode

Intel CPU Microcode

Intel CPU Microcode

Intel CPU Microcode

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).

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.

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.

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

This module installs ACPI Firmware Performance Data Table (FPDT). This module registers report status code listener to collect performance data for Firmware Basic Boot Performance Record and other boot performance records, and install FPDT to ACPI table.

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.

Platform console driver manages console devices. Console Platfrom DXE Driver that specifies whether device can be used as console input/output device or error output device and update global variables accordingly.

This module validates HSTI test results.

USB Keyboard Driver that manages USB keyboard and produces Simple Text Input(Ex) Protocol. USB Keyboard Driver consumes USB I/O Protocol and Device Path Protocol, and produces Simple Text Input Protocol and Simple Text Input Ex Protocol on USB keyboard devices. It initializes the keyboard layout according to info retrieved from HII database. If HII cannot provide the info, this module uses its carried default one if PCD allows. It manages the USB keyboard device via Asynchronous Interrupt Transfer of USB I/O Protocol, and parses the data according to USB HID documents. This module refers to following specifications: 1. Universal Serial Bus HID Firmware Specification, ver 1.11 2. Universal Serial Bus HID Usage Tables, ver 1.12 3. UEFI Specification, v2.1

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.

This module provides support for the Watchdog Timer.

This driver provides GetTime, SetTime, GetWakeupTime, SetWakeupTime services to Runtime Service Table. It will install a tagging protocol with gEfiRealTimeClockArchProtocolGuid.

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 is the layout of the password credential driver.

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

Access PXE-compatible devices for network access and network booting. This driver provides PXE Base Code Protocol which is used to accessing PXE-compatible device for network access or booting. It could work together with an IPv4 stack, an IPv6 stack or both.

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 provides support for the Watchdog Timer.

PS2 Keyboard Driver. PS2 Keyboard Driver for UEFI. The keyboard type implemented follows IBM compatible PS2 protocol using Scan Code Set 1.

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.

Component description file for PciHostBridge 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 module is the Phoenix USB HID pointer driver.

Implements ACPI metholds for the TCG feature This driver implements TPM definition block in ACPI table and registers SMI callback functions for 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 is the password credential driver.

Produces TCG protocol and measures boot environment This module will produce TCG protocol and measure boot environment.

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 loads Intel AMT functionality during Platform Initialization.

Terminal module installs Simple Text Input(ex)/Out protocols for serial devices. This module will install Simple Text Input (Ex) protocol and Simple Test Output protocols based on Serial I/O protocol for serial devices including hotplug serial devices.

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

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 module is the UEFI SD Host Controller Driver.

Sample ACPI Platform 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.

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.

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

This module resets the Intel ME Platform to original settings.

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.

This SMM driver adds legacy support for AHCI.

Serial-over-lan is part of AMT. It provides a secure way to connect to a remote computer through a pseudo serial interface.

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.

Component description file for SaveMemoryConfig module

This module is the Phoenix USB switch protocol driver.

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

Platform Controller Hub (PCH) initialization in DXE.

The embedded controller update program writes the signed EC firmware to the system SPI flash memory as the EC eSPI is read only after a specific point in boot. After the system reboots (while the EC SPI is unlocked) this DXE module uses private commands over the I/O port to actually write the encrypted EC firmware. The new firmware is encrypted with a known Blowfish cipher and is then decrypted and deployed by the old EC firmware.

PC Speaker driver for Compatibility Support Module (CSM).

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

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 USB Bus Dxe driver is used to enumerate and manage all attached usb devices. The USB Bus DXE driver is used to enumerate and manage all attached USB devices.

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

This provides support for Microsoft Hardware Security Test Interface (HSTI) to allow windows logo cert to test Secure Boot policy.

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

The Intel Rapid Storage Technology (RST) driver that check hardware part numbers for being supported.

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

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

Device path driver that produces three UEFI device path protocols. This driver produces Device Path Utilities protocol and optionally DevicePahtToText and DevicePathFromText protocols based on feature flags PcdDevicePathSupportDevicePathToText and PcdDevicePathSupportDevicePathFromText.

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

This driver provides multi console supports. This driver acts as a virtual console, takes over the console I/O control from selected standard console devices, and transmits console I/O to related console device drivers. Consplitter could install Graphics Output protocol and/or UGA Draw protocol in system table according PCD settings(PcdConOutGopSupport, and PcdConOutUgaSupport). It always consumes Graphics Output protocol which is produced by display device, and consumes UGA Draw protocol which is produced by display device according to PcdUgaConsumeSupport value. Note: If only UGA Draw protocol is installed in system, PcdUgaConsumeSupport should be set to TRUE.

This module is the Phoenix USB HID report descriptor driver.

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.

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.

Spi smm driver

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

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 IDE_CONTROLLER_INIT protocol for SATA Controllers.

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.

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 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 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 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.

Intel Trusted Execution Technology (TXT) module.

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.

This module sets up CPU Power Management during Platform Initialization.

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.

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.

TCPv4 I/O and TCPv6 I/O services. This module provides EFI TCPv4 Protocol and EFI TCPv6 Protocol to send and receive data stream. It might provide TCPv4 Protocol or TCPv6 Protocol or both of them that depends on which network stack has been loaded in system.

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.

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.

This is a Compatibility Support Module (CSM) for USB LAN 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.

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

Fault Tolerant Write Smm Driver. This driver installs SMM Fault Tolerant Write (FTW) protocol, which provides fault tolerant write capability in SMM environment for block devices. Its implementation depends on the full functionality SMM FVB protocol that support read, write/erase flash access.

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.

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

NVM Express Host Controller Module.

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

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

This is a Compatibility Support Module (CSM) for NVMe 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.

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.

AcpiS3Save module installs ACPI S3 Save protocol to prepare S3 boot data.

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.

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 driver measures SMBIOS table to TPM. This driver calculates SMBIOS table based on default policy and calls TPM interface to measure the updated SMBIOS table.

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.

This driver first constructs the non-tested memory range, then performs the R/W/V memory test.

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.

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 provide an SMM CIS compliant implementation of SMM Core.

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.

Generic watchdog timer driver producing Watchdog Timer Architectural Protocol using UEFI APIs. A generic watchdog timer driver producing Watchdog Timer Architectural Protocol using UEFI APIs.

Touch panel driver for I²C bus.

Supermicro Update Manager (SUM) command to enable and provision TPM 1.2.

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