Symbian OS Internals/Appendix 1: Glossary

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Created: hamishwillee (17 Jan 2011)

Last edited: hamishwillee (26 Jul 2012)

• Symbian OS Internals Table of Contents

The following glossary explains the meanings of some of the less common and Symbian OS-specific acronyms used within this book.

ABI	Application Binary Interface
ACM	Abstract Control Model
AGCH	Access Grant CHannel
AP	Application Processor
ASIC	Application-Specific Integrated Circuit
ASID	Application Space IDentifier
ASSP	Application-Specific Standard Part
BBM	Bad Block Manager
BCCH	Broadcast Control CHannel
BP	Baseband Processor
BPP	Bits Per Pixel
BSP	Board Support Package
BPK	Base Porting Kit
CBCH	Cell Broadcast CHannel
CDC	Connected Device Configuration
CISC	Complex Instruction Set Computer
CLZ	Count Leading Zeros
CPL	Current Privilege Level
CPSR	Current Program Status Register
CS	Code Segment
DACR	Domain Access Control Register
DDK	Device Driver Kit
DFC	Deferred Function Call
DMA	Direct Memory Access
DSA	Direct Screen Access
DSP	Digital Signal Processor
ECC	Error Correction Code
EDF	Earliest Deadline First
EIP	Extended Instruction Pointer
ELF	Extended Linker Format
EKA1	EPOC Kernel Architecture 1
EKA2	EPOC Kernel Architecture 2
ESP	Extended Stack Pointer
FAT	File Allocation Table
FACCH	Fast Associated Control CHannel
FDB	File Data Block
FIFO	First In, First Out
FCCH	Frequency Correction CHannel
FIQ	Fast Interrupt reQuest
FOTA	Firmware Over-The-Air
FTL	Flash Translation Layer
GC	Graphics Context
GDT	Global Descriptor Table
HAL	Hardware Abstraction Layer
IAT	Import Address Table
ICE	In-Circuit Emulator
IDB	Indirect Data Block
IDE	Integrated Development Environment (if related to debugging) Integrated Drive Electronics (if related to disk drives)
IDFC	Immediate Deferred Function Call
IDT	Interrupt Descriptor Table
IMB	Instruction Memory Barrier
IPC	Inter-Process Communication
ISR	Interrupt Service Routine
ITC	Inter-Thread Communication
LDD	Logical Device Driver
LFFS	Log Flash File System
LRTA	Legacy Real-Time Application
LRU	Least Recently Used
MDF	Multimedia Device Framework
MMC	Multi Media Card
MMF	Multi Media Framework
MMU	Memory Management Unit
OOM	Out-Of-Memory
OPL	Open Programming Language, the
OSB	Off-Screen Bitmap
OTG	On-The-Go
PASR	Partial Array Self Refresh
PCH	Paging CHannel
PCM	Pulse Code Modulation
PDD	Physical Device Driver
PIC	Programmable Interrupt Controller
PIL	Platform-Independent Layer
PIM	Personal Information Management
PM	Power Management
PSL	Platform-Specific Layer
QoS	Quality of Service
RACH	Random Access CHannel
RCA	Relative Card Address
ROFS	Read Only File System
RPL	Requestor Privilege Level
RTC	Real-Time Clock
RTOS	Real-Time Operating System
SACCH	Slow Associated Control CHannel
SCH	Synchronization CHannel
SDCCH	Stand-alone Dedicated Control CHannel
SDK	Software Development Kit
SID	Secure IDentifier
SOC	System-On-Chip
SPC	SCSI Primary Commands
SWI	SoftWare Interrupt
TCB	Trusted Computing Base
TCE	Trusted Computing Environment
TCH	Traffic Channel
TCSR	Temperature Compensated Self Refresh
TLB	Translation Look-aside Buffer
TR	Task Register
TSS	Task StateSegment
TTBR	Translation Table Base Register
TWIP	TWentIeth of a Point
UART	Universal Asynchronous Receiver/Transmitter
UDC	USB Device Controller
UID	Unique IDentifier
VFP	Vector Floating Point
VIC	Vectored Interrupt Controller
VID	Vendor IDentifier
VT	Video Telephony
XIP	eXecute In Place