GB2448488B - Data processing apparatus - Google Patents
Data processing apparatusInfo
- Publication number
- GB2448488B GB2448488B GB0706918.0A GB0706918A GB2448488B GB 2448488 B GB2448488 B GB 2448488B GB 0706918 A GB0706918 A GB 0706918A GB 2448488 B GB2448488 B GB 2448488B
- Authority
- GB
- United Kingdom
- Prior art keywords
- processing apparatus
- data processing
- data
- processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/40—Transformation of program code
- G06F8/41—Compilation
- G06F8/44—Encoding
- G06F8/443—Optimisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
- G06F9/342—Extension of operand address space
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
- G06F9/30043—LOAD or STORE instructions; Clear instruction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30094—Condition code generation, e.g. Carry, Zero flag
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30098—Register arrangements
- G06F9/30101—Special purpose registers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30098—Register arrangements
- G06F9/30105—Register structure
- G06F9/30112—Register structure comprising data of variable length
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30098—Register arrangements
- G06F9/3012—Organisation of register space, e.g. banked or distributed register file
- G06F9/3013—Organisation of register space, e.g. banked or distributed register file according to data content, e.g. floating-point registers, address registers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
- G06F9/30149—Instruction analysis, e.g. decoding, instruction word fields of variable length instructions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
- G06F9/3016—Decoding the operand specifier, e.g. specifier format
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
- G06F9/3016—Decoding the operand specifier, e.g. specifier format
- G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
- G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
- G06F9/324—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address using program counter relative addressing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
- G06F9/355—Indexed addressing
- G06F9/3557—Indexed addressing using program counter as base address
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Executing Machine-Instructions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0706918.0A GB2448488B (en) | 2007-04-10 | 2007-04-10 | Data processing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0706918.0A GB2448488B (en) | 2007-04-10 | 2007-04-10 | Data processing apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0706918D0 GB0706918D0 (en) | 2007-05-16 |
GB2448488A GB2448488A (en) | 2008-10-22 |
GB2448488B true GB2448488B (en) | 2012-09-12 |
Family
ID=38091122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0706918.0A Active GB2448488B (en) | 2007-04-10 | 2007-04-10 | Data processing apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2448488B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090182992A1 (en) * | 2008-01-11 | 2009-07-16 | International Business Machines Corporation | Load Relative and Store Relative Facility and Instructions Therefore |
EP2294444A1 (en) | 2008-05-05 | 2011-03-16 | Raytheon Company | Methods and apparatus for detection/classification of radar targets including birds and other hazards |
GB2493124B (en) * | 2008-07-10 | 2013-08-28 | Cambridge Consultants | Data processing apparatus |
AU2010236234B2 (en) | 2009-04-17 | 2013-07-18 | Raytheon Company | Methods and apparatus for integration of distributed sensors and airport surveillance radar to mitigate blind spots |
CN111382429B (en) * | 2018-12-27 | 2022-12-27 | 华为技术有限公司 | Instruction execution method and device and storage medium |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1267582A (en) * | 1968-03-15 | 1972-03-22 | Burroughs Corp | Digital electronic data processing systems |
JPS5960645A (en) * | 1982-09-30 | 1984-04-06 | Fujitsu Ltd | System for processing instruction execution of processor |
US5778220A (en) * | 1996-11-18 | 1998-07-07 | Intel Corporation | Method and apparatus for disabling interrupts in a highly pipelined processor |
US6029222A (en) * | 1996-01-17 | 2000-02-22 | Yamaha Corporation | Method and processor for selectively marking instructions as interruptible or uninterruptible and judging interrupt requests based on the marked instruction |
US20030105935A1 (en) * | 2001-11-30 | 2003-06-05 | Moore Derick G. | Method and apparatus for accessing ROM PCI memory above 64 K |
US20030221091A1 (en) * | 2002-03-08 | 2003-11-27 | Ip-First Llc | Selective interrupt suppression |
US6742113B1 (en) * | 1999-05-31 | 2004-05-25 | Renesas Technology Corp. | Microprocessor with EIT, processing capability, and EIT processing method |
US20050102458A1 (en) * | 2003-11-12 | 2005-05-12 | Infineon Technologies North America Corp. | Interrupt and trap handling in an embedded multi-thread processor to avoid priority inversion and maintain real-time operation |
US7130951B1 (en) * | 2002-04-18 | 2006-10-31 | Advanced Micro Devices, Inc. | Method for selectively disabling interrupts on a secure execution mode-capable processor |
WO2007147443A1 (en) * | 2006-06-23 | 2007-12-27 | Freescale Semiconductor, Inc. | Interrupt response control apparatus and method therefor |
-
2007
- 2007-04-10 GB GB0706918.0A patent/GB2448488B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1267582A (en) * | 1968-03-15 | 1972-03-22 | Burroughs Corp | Digital electronic data processing systems |
JPS5960645A (en) * | 1982-09-30 | 1984-04-06 | Fujitsu Ltd | System for processing instruction execution of processor |
US6029222A (en) * | 1996-01-17 | 2000-02-22 | Yamaha Corporation | Method and processor for selectively marking instructions as interruptible or uninterruptible and judging interrupt requests based on the marked instruction |
US5778220A (en) * | 1996-11-18 | 1998-07-07 | Intel Corporation | Method and apparatus for disabling interrupts in a highly pipelined processor |
US6742113B1 (en) * | 1999-05-31 | 2004-05-25 | Renesas Technology Corp. | Microprocessor with EIT, processing capability, and EIT processing method |
US20030105935A1 (en) * | 2001-11-30 | 2003-06-05 | Moore Derick G. | Method and apparatus for accessing ROM PCI memory above 64 K |
US20030221091A1 (en) * | 2002-03-08 | 2003-11-27 | Ip-First Llc | Selective interrupt suppression |
US7130951B1 (en) * | 2002-04-18 | 2006-10-31 | Advanced Micro Devices, Inc. | Method for selectively disabling interrupts on a secure execution mode-capable processor |
US20050102458A1 (en) * | 2003-11-12 | 2005-05-12 | Infineon Technologies North America Corp. | Interrupt and trap handling in an embedded multi-thread processor to avoid priority inversion and maintain real-time operation |
WO2007147443A1 (en) * | 2006-06-23 | 2007-12-27 | Freescale Semiconductor, Inc. | Interrupt response control apparatus and method therefor |
Non-Patent Citations (2)
Title |
---|
Digital Mars, "Choosing a Memory Model", version as of 5 April 2007. Available from http://digitalmars.com/ctg/ctgMemoryModel.html (accessed 30 September 2011). * |
Wikipedia contributors, "Intel Memory Model", version as of 30 March 2007, Wikipedia, The Free Encyclopedia, available at http://en.wikipedia.org/w/index.php?title=Intel_Memory_Model&oldid=119000497 (accessed 30 September 2011). * |
Also Published As
Publication number | Publication date |
---|---|
GB0706918D0 (en) | 2007-05-16 |
GB2448488A (en) | 2008-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R108 | Alteration of time limits (patents rules 1995) |
Free format text: EXTENSION ALLOWED Effective date: 20120531 |