GB2461848B - Data processing apparatus having a number of operating modes - Google Patents
Data processing apparatus having a number of operating modesInfo
- Publication number
- GB2461848B GB2461848B GB0812662A GB0812662A GB2461848B GB 2461848 B GB2461848 B GB 2461848B GB 0812662 A GB0812662 A GB 0812662A GB 0812662 A GB0812662 A GB 0812662A GB 2461848 B GB2461848 B GB 2461848B
- Authority
- GB
- United Kingdom
- Prior art keywords
- processing apparatus
- data processing
- operating modes
- modes
- operating
- 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
- 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
- G06F9/30181—Instruction operation extension or modification
-
- 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
-
- 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
- G06F9/30145—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
- G06F9/3016—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
- G06F9/30181—Instruction operation extension or modification
- G06F9/30189—Instruction operation extension or modification according to execution mode, e.g. mode 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
- G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
- G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
-
- 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
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0812662A GB2461848B (en) | 2008-07-10 | 2008-07-10 | Data processing apparatus having a number of operating modes |
PCT/GB2009/001314 WO2010004243A2 (en) | 2008-07-10 | 2009-05-27 | Interrupt processing |
PCT/GB2009/001313 WO2010004242A2 (en) | 2008-07-10 | 2009-05-27 | Data processing apparatus, for example using vector pointers |
PCT/GB2009/001309 WO2010004240A1 (en) | 2008-07-10 | 2009-05-27 | Data processing apparatus, for example using modes |
US13/003,432 US9645949B2 (en) | 2008-07-10 | 2009-05-27 | Data processing apparatus using privileged and non-privileged modes with multiple stacks |
PCT/GB2009/001318 WO2010004245A1 (en) | 2008-07-10 | 2009-05-27 | Processor with push instruction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0812662A GB2461848B (en) | 2008-07-10 | 2008-07-10 | Data processing apparatus having a number of operating modes |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0812662D0 GB0812662D0 (en) | 2008-08-20 |
GB2461848A GB2461848A (en) | 2010-01-20 |
GB2461848B true GB2461848B (en) | 2013-01-30 |
Family
ID=39722085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0812662A Active GB2461848B (en) | 2008-07-10 | 2008-07-10 | Data processing apparatus having a number of operating modes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2461848B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2723682C (en) | 2008-05-05 | 2014-09-23 | Raytheon Company | Methods and apparatus for detection/classification of radar targets including birds and other hazards |
WO2010121118A1 (en) | 2009-04-17 | 2010-10-21 | Raytheon Company | Methods and apparatus for integration of distributed sensors and airport surveillance radar to mitigate blind spots |
GB2500844B (en) * | 2010-03-15 | 2014-03-12 | Advanced Risc Mach Ltd | Apparatus and method for handling exception events |
GB2478733B (en) | 2010-03-15 | 2013-08-14 | Advanced Risc Mach Ltd | Apparatus and method for handling exception events |
KR102406340B1 (en) * | 2018-02-26 | 2022-06-13 | 에스케이하이닉스 주식회사 | Electronic apparatus and operating method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557766A (en) * | 1991-10-21 | 1996-09-17 | Kabushiki Kaisha Toshiba | High-speed processor for handling multiple interrupts utilizing an exclusive-use bus and current and previous bank pointers to specify a return bank |
EP0762272A2 (en) * | 1995-09-01 | 1997-03-12 | Sony Corporation | Microprocessors and apparatus including same |
US6088783A (en) * | 1996-02-16 | 2000-07-11 | Morton; Steven G | DPS having a plurality of like processors controlled in parallel by an instruction word, and a control processor also controlled by the instruction word |
JP2000250762A (en) * | 1999-02-26 | 2000-09-14 | Matsushita Electric Ind Co Ltd | Microcomputer |
US6598151B1 (en) * | 1998-10-06 | 2003-07-22 | Texas Instruments Incorporated | Stack Pointer Management |
US20070266374A1 (en) * | 2006-05-11 | 2007-11-15 | Arm Limited | Stack memory selection upon exception in a data processing system |
-
2008
- 2008-07-10 GB GB0812662A patent/GB2461848B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557766A (en) * | 1991-10-21 | 1996-09-17 | Kabushiki Kaisha Toshiba | High-speed processor for handling multiple interrupts utilizing an exclusive-use bus and current and previous bank pointers to specify a return bank |
EP0762272A2 (en) * | 1995-09-01 | 1997-03-12 | Sony Corporation | Microprocessors and apparatus including same |
US6088783A (en) * | 1996-02-16 | 2000-07-11 | Morton; Steven G | DPS having a plurality of like processors controlled in parallel by an instruction word, and a control processor also controlled by the instruction word |
US6598151B1 (en) * | 1998-10-06 | 2003-07-22 | Texas Instruments Incorporated | Stack Pointer Management |
JP2000250762A (en) * | 1999-02-26 | 2000-09-14 | Matsushita Electric Ind Co Ltd | Microcomputer |
US20070266374A1 (en) * | 2006-05-11 | 2007-11-15 | Arm Limited | Stack memory selection upon exception in a data processing system |
Also Published As
Publication number | Publication date |
---|---|
GB2461848A (en) | 2010-01-20 |
GB0812662D0 (en) | 2008-08-20 |
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