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| -rw-r--r-- | Documentation/acronyms.md | 61 |
1 files changed, 45 insertions, 16 deletions
diff --git a/Documentation/acronyms.md b/Documentation/acronyms.md index 83b61a37b8..6b88b4cd85 100644 --- a/Documentation/acronyms.md +++ b/Documentation/acronyms.md @@ -11,6 +11,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool `acpihelp _XXX` * 2FA - [**Two-factor Authentication**](https://en.wikipedia.org/wiki/Multi-factor_authentication) * 4G - In coreboot, this typically refers to the 4 gibibyte boundary of 32-bit addressable memory space. + Better abbreviated as 4GiB * 5G - Telecommunication: [**Fifth-Generation Cellular Network**](https://en.wikipedia.org/wiki/5G) ## A @@ -45,6 +46,10 @@ Spec](https://uefi.org/specifications) for details, or run the tool * ALIB - AMD: ACPI-ASL Library * ALS - [**Ambient Light Sensor**](https://en.wikipedia.org/wiki/Ambient_light_sensor) * ALU - [**Arithmetic Logic Unit**](https://en.wikipedia.org/wiki/Arithmetic_logic_unit) +* AMBA - ARM: [**Advanced Microcontroller Bus + Architecture**](https://en.wikipedia.org/wiki/Advanced_Microcontroller_Bus_Architecture): + An open standard to connect and manage functional blocks in an SoC + (System on a Chip) * AMD64 - Another name for [**x86-64**](https://en.wikipedia.org/wiki/X86-64) * AMPL - AMD: [**Advanced Platform Management Link**](https://web.archive.org/web/20220509053546/https://developer.amd.com/wordpress/media/2012/10/419181.pdf) - Also referred to as SBI: Sideband Interface @@ -53,8 +58,8 @@ Spec](https://uefi.org/specifications) for details, or run the tool * AOAC - AMD: Always On, Always Connected * AP - Application processor - The main processor on the board (as opposed to the embedded controller or other processors that may be on - the system), any cores in processor chip that isn’t the BSP - Boot - Strap Processor. + the system), any cores in the processor chip that aren't the BSP (Boot + Strap Processor). * APCB - AMD: AMD PSP Customization Block * API - [**Application Programming Interface**](https://en.wikipedia.org/wiki/API) * APIC - [**Advanced Programmable Interrupt @@ -123,6 +128,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool stored as a single object, this was co-opted by the open source communities to mean any proprietary binary file that is not available as source code. +* BM - [**Bus Master**](https://en.wikipedia.org/wiki/Bus_mastering) * BMC - [**Baseboard Management Controller**](https://en.wikipedia.org/wiki/Intelligent_Platform_Management_Interface#Baseboard_management_controller) * BMP - [**Bitmap**](https://en.wikipedia.org/wiki/BMP_file_format) * BOM - [**Bill of Materials**](https://en.wikipedia.org/wiki/Bill_of_materials) @@ -165,7 +171,8 @@ Spec](https://uefi.org/specifications) for details, or run the tool * CID - [**Coverity ID**](https://en.wikipedia.org/wiki/Coverity) * CIM - [**Common Information Model**](https://www.dmtf.org/standards/cim) * CISC - [**Complex Instruction Set Computer**](https://en.wikipedia.org/wiki/Complex_instruction_set_computer) -* CL - Change List - A git patch in gerrit +* CL - ChangeList - Another name for a patch or commit. This seems to be + Perforce notation. * CLK - Clock - Used when there isn't enough room for 2 additional characters - similar to RST, for people who hate vowels. * CML - Intel: [**Comet Lake**](https://en.wikichip.org/wiki/intel/microarchitectures/comet_lake) @@ -180,6 +187,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool * CNVi - Intel: [**Connectivity Integration**](https://en.wikipedia.org/wiki/CNVi) * CPL - x86: Current Privilege Level - Privilege levels range from 0-3; lower numbers are more privileged. * CPLD - [**Complex Programmable Logic Device**](https://en.wikipedia.org/wiki/Complex_programmable_logic_device) +* CPPC - AMD: Collaborative Processor Performance Controls * CPS - Characters Per Second * CPU - [**Central Processing Unit**](http://en.wikipedia.org/wiki/Central_processing_unit) @@ -196,12 +204,14 @@ Spec](https://uefi.org/specifications) for details, or run the tool * CSI - MIPI: [**Camera Serial Interface**](https://en.wikipedia.org/wiki/Camera_Serial_Interface) * CSME - Intel: Converged Security and Management Engine +* CTLE - Intel: Continuous Time Linear Equalization * CVE - [**Common Vulnerabilities and Exposures**](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures) -* CZN - AMD: Cezanne - CPU Family 19h, Model 50h +* CZN - AMD: [**Cezanne**](https://en.wikichip.org/wiki/amd/cores/cezanne) - CPU Family 19h, Model 50h ## D +* D$ - Data Cache * D-States - [**ACPI Device power states**](https://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface#Device_states) D0-D3 - These are device specific power states, with each higher @@ -223,6 +233,8 @@ Spec](https://uefi.org/specifications) for details, or run the tool * DDC - [**Display Data Channel**](https://en.wikipedia.org/wiki/Display_Data_Channel) * DDI - Intel: Digital Display Interface * DDR - [**Double Data Rate**](https://en.wikipedia.org/wiki/Double_data_rate) +* DEVAPC - Mediatek: Device Access Permission Control +* DFP - USB: Downstream Facing port * DHCP - [**Dynamic Host Configuration Protocol**](https://en.wikipedia.org/wiki/Dynamic_Host_Configuration_Protocol) * DID - Device Identifier * DIMM - [**Dual Inline Memory Module**](https://en.wikipedia.org/wiki/DIMM) @@ -243,6 +255,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool * DNV - Intel: [**Denverton**](https://en.wikichip.org/wiki/intel/cores/denverton) * DOS - Disk Operating System * DP - DisplayPort +* DPM - Mediatek: DRAM Power Manager * DPTF - Intel: Dynamic Power and Thermal Framework * DRAM - Memory: [**Dynamic Random Access Memory**](https://en.wikipedia.org/wiki/Dynamic_random-access_memory) * DRTM - Dynamic Root of Trust for Measurement @@ -250,7 +263,10 @@ Spec](https://uefi.org/specifications) for details, or run the tool data-in pin is generally referred to as D, and the data-out pin is Q, thus the IO Data signal lines are referred to as DQ lines. * DQS - Memory: Data Q Strobe - Data valid signal for DDR memory. -* DRM - [**Digital Rights Management**](https://en.wikipedia.org/wiki/Digital_rights_management) +* DRM - [**Digital Rights + Management**](https://en.wikipedia.org/wiki/Digital_rights_management) +* DRP - USB: Port than can be switched between either a Downstream facing (DFP) or + an Upstream Facing (UFP). * DRQ - DMA Request * DRTU - Intel: Diagnostics and Regulatory Testing Utility * DSDT - The [**Differentiated System Descriptor @@ -262,12 +278,15 @@ Spec](https://uefi.org/specifications) for details, or run the tool * DSL - [**Digital subscriber line**](https://en.wikipedia.org/wiki/Digital_subscriber_line) * DSP - [**Digital Signal Processor**](https://en.wikipedia.org/wiki/Digital_signal_processor) * DTB - U-Boot: Device Tree Binary -* dTPM - Discrete Trusted Platform Module +* dTPM - Discrete TPM (Trusted Platform Module) - A separate TPM chip, + vs Integrated TPMs or fTPMs (Firmware TPMs). * DTS - U-Boot: Device Tree Source * DVFS - ARM: Dynamic Voltage and Frequency Scaling * DVI - [**Digital Video Interface**](https://en.wikipedia.org/wiki/Digital_Visual_Interface) * DVT - Production Timeline: Design Validation Test -* DW - DesignWare +* DW - DesignWare: A portfolio of silicon IP blocks for sale by the + Synopsys company. Includes blocks like USB, MIPI, PCIe, HDMI, SATA, + I2c, memory controllers and more. * DXE - UEFI: [**Driver Execution Environment**](https://en.wikipedia.org/wiki/Unified_Extensible_Firmware_Interface#DXE_%E2%80%93_Driver_Execution_Environment_) * DXIO - AMD: Distributed CrossBar I/O @@ -283,7 +302,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool Out**](https://en.wikipedia.org/wiki/Dynamic_random-access_memory#Extended_data_out_DRAM) - A DRAM standard introduced in 1994 that improved upon, but was backwards compatible with FPM (Fast Page Mode) memory. -* EDP - [**Embedded DisplayPort**](DisplayPort) +* eDP - [**Embedded DisplayPort**](https://en.wikipedia.org/wiki/DisplayPort#eDP) * EDS - Intel: External Design Specification * EEPROM - [**Electrically Erasable Programmable ROM**](https://en.wikipedia.org/wiki/EEPROM) (common mistake: electrical erasable programmable ROM). @@ -340,7 +359,9 @@ Spec](https://uefi.org/specifications) for details, or run the tool * FSB - [**Front-Side Bus**](https://en.wikipedia.org/wiki/Front-side_bus) * FSP - Intel: Firmware Support Package * FTP - Network Protocol: [**File Transfer Protocol**](https://en.wikipedia.org/wiki/File_Transfer_Protocol) -* FTPM - Firmware TPM +* fTPM - Firmware TPM (Trusted Platform Module). This is a TPM that is + based in firmware instead of actual hardware. It typically runs in + some sort of TEE (Trusted Execution Environment). ## G @@ -407,6 +428,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool ## I +* I$ - Instruction Cache * I2C - **Inter-Integrated Circuit** is a bidirectional 2-wire bus for communication generally between different ICs on a circuit board. * [https://www.esacademy.com/en/library/technical-articles-and-documents/miscellaneous/i2c-bus.html](https://www.esacademy.com/en/library/technical-articles-and-documents/miscellaneous/i2c-bus.html) @@ -540,6 +562,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool * MCU - [**MicroController Unit**](https://en.wikipedia.org/wiki/Microcontroller) * MDFIO - Intel: Multi-Die Fabric IO +* MDN - AMD: Mendocino * ME - Intel: Management Engine * MEI - Intel: ME Interface (Previously known as HECI) * Memory training - the process of finding the best speeds, voltages, @@ -578,9 +601,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool OS software writers to produce SMP-capable machines and OSes in a vendor-independent manner. Version 1.1 of the spec was released in 1994, and the 1.4 version was released in 1995. This has been - generally been - https://en.wikipedia.org/wiki/MultiProcessor_Specification by the ACPI - tables. + generally superseded by the ACPI tables. * MRC - Intel: Memory Reference Code * MSB - Most Significant Bit * MSI - Message Signaled Interrupt @@ -621,8 +642,8 @@ Spec](https://uefi.org/specifications) for details, or run the tool * ODH - GPIOs: Open Drain High - High is driven to the reference voltage, low is a high-impedance state * ODL - GPIOs: Open Drain Low - Low is driven to ground, High is a high-impedance state. -* ODM - Original Design Manufacturer -* OEM - Original Equipment Manufacturer +* ODM - [**Original Design Manufacturer**](https://en.wikipedia.org/wiki/Original_design_manufacturer) +* OEM - [**Original Equipment Manufacturer**](https://en.wikipedia.org/wiki/Original_equipment_manufacturer) * OHCI - [**Open Host Controller Interface**](https://en.wikipedia.org/wiki/Host_Controller_Interface_%28USB%29) - non-proprietary USB Host controller for USB 1.1 (May also refer to @@ -669,7 +690,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool function's configuration space from 256 bytes to 4K. * PCIe - [**PCI Express**](http://en.wikipedia.org/wiki/Pci_express) * PCMCIA: Personal Computer Memory Card International Association -* PCO - AMD: Picasso +* PCO - AMD: [**Picasso**](https://en.wikichip.org/wiki/amd/cores/picasso) * PCR: TPM: Platform Configuration Register * PD - GPIOs: Pull-Down - Setting the pin high drives it to the reference voltage. Setting it low drives it to ground through a resistor. * PD - Power Delivery - This is a specification for communicating power @@ -873,6 +894,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool * SPI - [**Serial Peripheral Interface**](https://en.wikipedia.org/wiki/Serial_Peripheral_Interface) * SPL - AMD: Security Patch Level +* SPM - Mediatek: System Power Manager * SPMI - MIPI: System Power Management Interface * SRAM - Static Random Access Memory * SSD - Solid State Drive @@ -889,7 +911,9 @@ Spec](https://uefi.org/specifications) for details, or run the tool Bay**](https://en.wikipedia.org/wiki/SSI_CEB) * SSI-TEB - Physical board format: [**SSI Thin Electronics Bay**](https://en.wikipedia.org/wiki/SSI_CEB) +* SSP - [**Speech Signal Processor**](https://en.wikipedia.org/wiki/Speech_processing) * STAPM - AMD: Skin Temperature Aware Power Management +* STB - AMD: Smart Trace Buffer * SuperIO - The [**Super I/O**](https://en.wikipedia.org/wiki/Super_I/O) (SIO) device provides a system with any of a number of different peripherals. Most common are: A PS/2 Keyboard and mouse port, LPT @@ -909,7 +933,8 @@ Spec](https://uefi.org/specifications) for details, or run the tool * TDMA - Time-Division Multiple Access * TDP - [**Thermal Design Power**](https://en.wikipedia.org/wiki/Thermal_design_power) -* TEE - Trusted Execution Environment +* TEE - [**Trusted Execution + Environment**](https://en.wikipedia.org/wiki/Trusted_execution_environment) * TFTP - Network Protocol: Trivial File Transfer Protocol * TGL - Intel: Tigerlake * THC - Touch Host Controller @@ -919,6 +944,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool * TLA - Three Letter Acronym * TLB - [**Translation Lookside Buffer**](https://en.wikipedia.org/wiki/Translation_lookaside_buffer) +* TME - Intel: Total Memory Encryption * TOCTOU - Time-Of-Check to Time-Of-Use * TOLUM - Top of Low Usable Memory * ToM - Top of Memory @@ -927,6 +953,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool * TSC - [**Time Stamp Counter**](https://en.wikipedia.org/wiki/Time_Stamp_Counter) * TSEG - TOM (Top of Memory) Segment +* TSR - Temperature Sensor * TWAIN - Technology without an interesting name. * TX - Transmit * TXE - Intel: Trusted eXecution Engine @@ -940,6 +967,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool * UDK - UEFI: UEFI Development Kit * UDP - User Datagram Protocol * UEFI - Unified Extensible Firmware Interface +* UFP - USB: Upstream Facing Port * UFS - Universal Flash storage * UHCI - USB: [**Universal Host Controller Interface**](https://en.wikipedia.org/wiki/Host_controller_interface_%28USB%2C_Firewire%29%23UHCI) @@ -989,6 +1017,7 @@ Spec](https://uefi.org/specifications) for details, or run the tool tablets, it's on the the side away from the screen. * WDT - [**WatchDog Timer**](https://en.wikipedia.org/wiki/Watchdog_timer) * WLAN - Wireless LAN (Local Area Network) +* WWAN - Telecommunication: Wireless WAN (Wide Area Network) * WP - Cache policy: [**Write-Protected**](https://en.wikipedia.org/wiki/Cache_%28computing%29) * WO - Write-only * WOL - [**Wake-on-LAN**](https://en.wikipedia.org/wiki/Wake-on-LAN) |