CN106020961A - Cross triggering device capable of improving system efficiency - Google Patents
Cross triggering device capable of improving system efficiency Download PDFInfo
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- CN106020961A CN106020961A CN201610377407.5A CN201610377407A CN106020961A CN 106020961 A CN106020961 A CN 106020961A CN 201610377407 A CN201610377407 A CN 201610377407A CN 106020961 A CN106020961 A CN 106020961A
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- event
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- 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
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7807—System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package
-
- 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
- G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
- G06F9/4856—Task life-cycle, e.g. stopping, restarting, resuming execution resumption being on a different machine, e.g. task migration, virtual machine migration
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
The invention provides a cross triggering device capable of improving the system efficiency. The device comprises an event receiving unit, an event processing unit and a response generating unit; the event receiving unit is used for receiving event sources, classifying the event sources according to event numbers and passing the event numbers to the event processing unit or the response generating unit; the event processing unit is used for coding the event numbers passed by the event receiving unit, searching for corresponding event processing methods in an event processing table according to the obtained event processing numbers, generating corresponding event processing operations and generating a response generating request; the response generating unit receives the response generating requests from the event receiving unit and the event processing unit and generates responses of the corresponding events and information of notifying a CPU. The cross triggering device capable of improving the system efficiency has the following advantages that overheads of the CPU on processing interruption can be greatly reduced, the CPU does not need to execute jump instructions frequently to execute interruption, in this way, the execution efficiency of the CPU can be greatly improved, and therefore the operation efficiency of the whole system is improved.
Description
Technical field
The invention belongs to computer technology and technical field of system control, especially relating to one can improve
The intersection of system effectiveness triggers device.
Background technology
Along with deep-submicron manufacturing technology, the developing rapidly of IC design technology, integrated circuit enters
Enter the SOC(system on a chip) epoch.And along with the functional requirement of SOC(system on a chip) is got more and more by modern people so that sheet
The integrated of upper system becomes increasingly complex, and the SOC(system on a chip) become increasingly complex also is interrupted along with increasing
Process, and more interrupt processing can largely reduce the efficiency of whole SOC(system on a chip).
In whole SOC(system on a chip), the general work processing interruption has CPU (central processing unit) to complete,
But like this, CPU cannot go to carry out the control work of some equipment at full speed, thus cause be
The reduction of system efficiency.
Summary of the invention
In view of this, it is contemplated that propose a kind of intersection that can improve system effectiveness to trigger device, can
With in complicated System on Chip/SoC, process the multiple interruption from modules, thus alleviate the negative of CPU
Load, improves the execution efficiency of system.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of intersection improving system effectiveness triggers device, including:
Event receives unit, is used for receiving event source, and enters event source according to the Case Number in event source
Row classification, passes to Case Number event handling unit further according to classification results or response produces single
Unit；
Event handling unit, the Case Number being used for passing over event reception unit encodes, logical
Cross coding and produce an event handling coding meeting event handling table rule, then operated product by event handling
Raw unit searches the event-handling method of correspondence according to event handling coding in event handling table, and produces
Corresponding event handling operation, produces a response to response generation unit simultaneously and produces request；
Response generation unit, receiving the response generation from event reception unit and event handling unit please
Ask, and the source producing request according to this response judges produce the response of corresponding event and notify CPU's
Information.
Further, described event reception unit passes through switch selection circuit according to Case Number to event source
Classify.
Further, described event receives unit and event source is divided into kind one event and kind two event,
Kind one event is manageable interrupt event type, and the Case Number in this type of event source is passed to thing
Part processing unit；Kind two event is the most treatable event type, produces response and produces request and transmit
Give response generation unit.
Further, described response generation unit judges that the response received produces the source of request, if receiving
The response arrived produces request and receives unit from event, then produce the interruption of a CPU, and notice CPU has
One interrupt event needs CPU process, Case Number is sent to CPU simultaneously；If the response received
The request that produces from event handling unit, then produces the response of corresponding event, produces a CPU energy simultaneously
Enough codings identified notify that CPU this time interrupts having performed.
Relative to prior art, present invention have the advantage that
The present invention can greatly reduce CPU disconnected in processes on expense so that CPU can frequency
Numerous execution jump instruction performs interruption, so can improve the execution efficiency of CPU greatly, thus
Promote the operational efficiency of whole system.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, the present invention's
Schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the theory structure block diagram intersecting described in the embodiment of the present invention and triggering device；
Fig. 2 is the theory structure block diagram that event described in the embodiment of the present invention receives unit；
Fig. 3 is the theory structure block diagram of event handling unit described in the embodiment of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the spy in embodiment
Levy and can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of intersection improving system effectiveness triggers device, as it is shown in figure 1, include event receive unit,
Event handling unit and response generation unit,
Described event receives unit and is used for receiving event source, enters event source according to the Case Number in event source
Row classification, further according to classification results, passes to Case Number event handling unit or response produces single
Unit,
Because interrupt event has a variety of, some interrupts this device and can process, and some interruption is necessary
By CPU process.So, as in figure 2 it is shown, described event receives unit first passes through switch selection
Classified in the event source received by circuit according to its Case Number, the switch selection circuit of the present embodiment
By judging numbering and the relation of 64 in event source, event is divided into kind one event and kind two event；
Kind one event is this device manageable interrupt event type, and this kind of event passes to event handling list
Unit processes；Kind two event is the most treatable type of this device, and this kind of event can directly produce response and produce
Raw request also passes to respond generation unit process.
The Case Number that described event handling unit is used for passing over event reception unit encodes,
And according to event code result event handling table in event handling unit being searched at the event of correspondence
Reason method, and produce the event handling operation of correspondence, described response generation unit is produced a sound simultaneously
Request should be produced；
As it is shown on figure 3, first, the Case Number received is compiled by a coding circuit further
Code processes, and encodes since it is desired that produce an event handling meeting event look-up table rule by coding,
Just can find the interruption processing method of correspondence；
The coding rule of the coding circuit of the present embodiment is: when Case Number is less than 16, event handling
Coding is equal to the numbering of event, when the numbering of event is more than or equal to 16 and is less than 32, event handling
Coding adds 16 equal to the numbering of event, and otherwise, event handling coding is equal to the numbering of event plus 32；
The event handling that can be produced meet event look-up table rule 8 by this kind of coded system is encoded,
Each event can well be distinguished in event look-up table by this coding；
Then, the result processed according to coding circuit, then operated generation unit by the event handling of this unit
In event handling table, the event-handling method of correspondence is searched, according to record in table according to event handling coding
Processing mode, and produce correspondence event handling operation, simultaneously produce response generation request notify ring
Answering generation unit, this event is the most treated to be completed；
Described response generation unit receives the response generation receiving unit and event handling unit from event
Request, and produce the response asking to judge to produce corresponding event and the information of notice CPU according to this response；
If the response received produces request and receives unit from event, then illustrate that this device can not process this
Class event, belongs to kind two event, then this unit would not produce the response of this event；But,
This unit can produce the interruption of a CPU, the thing that notice this unit of CPU has had this cell processing not
Part needs CPU process, the numbering of event is sent to CPU simultaneously, by the CPU interruption by CPU
Reason mechanism processes this event；
Ask from event handling unit if the response received produces, then explanation event handling unit is
Having processed this time event, this unit can produce the response of corresponding event, and can produce a CPU can simultaneously
The coding identified notifies that CPU this time interrupts having performed, and CPU can continue executing with other work
?.
Intersection through the improved system effectiveness of the present invention triggers device, can greatly reduce CPU and exist
Process the expense on interrupting so that CPU can perform jump instruction frequently and perform interruption, this
Sample can improve the execution efficiency of CPU greatly, thus promotes the operational efficiency of whole system.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, should be included in
Within protection scope of the present invention.
Claims (4)
1. the intersection that can improve system effectiveness triggers device, it is characterised in that including:
Event receives unit, is used for receiving event source, and enters event source according to the Case Number in event source
Row classification, passes to Case Number event handling unit further according to classification results or response produces single
Unit；
Event handling unit, the Case Number being used for passing over event reception unit encodes, logical
Cross coding and produce an event handling coding meeting event handling table rule, then operated product by event handling
Raw unit searches the event-handling method of correspondence according to event handling coding in event handling table, and produces
Corresponding event handling operation, produces a response to response generation unit simultaneously and produces request；
Response generation unit, receiving the response generation from event reception unit and event handling unit please
Ask, and the source producing request according to this response judges produce the response of corresponding event and notify CPU's
Information.
The intersection improving system effectiveness the most according to claim 1 triggers device, and its feature exists
In: described event is received unit and is classified event source according to Case Number by switch selection circuit.
The intersection improving system effectiveness the most according to claim 1 triggers device, and its feature exists
In: described event receives unit and event source is divided into kind one event and kind two event, kind one event
For manageable interrupt event type, the Case Number in this type of event source is passed to event handling list
Unit；Kind two event is the most treatable event type, produces response generation and asks and pass to response to produce
Raw unit.
The intersection improving system effectiveness the most according to claim 3 triggers device, and its feature exists
In: described response generation unit judges that the response received produces the source of request,
If the response received produces request and receives unit from event, then produce the interruption of a CPU,
Notice CPU has an interrupt event to need CPU process, Case Number is sent to CPU simultaneously；
Ask from event handling unit, then to produce the response of corresponding event if the response received produces,
The coding that one CPU of generation is capable of identify that simultaneously is to notify that CPU this time interrupts having performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377407.5A CN106020961A (en) | 2016-05-30 | 2016-05-30 | Cross triggering device capable of improving system efficiency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377407.5A CN106020961A (en) | 2016-05-30 | 2016-05-30 | Cross triggering device capable of improving system efficiency |
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| CN106020961A true CN106020961A (en) | 2016-10-12 |
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| CN201610377407.5A Pending CN106020961A (en) | 2016-05-30 | 2016-05-30 | Cross triggering device capable of improving system efficiency |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195140A (en) * | 1997-03-28 | 1998-10-07 | 国际商业机器公司 | Using intelligent bridges with PICO-code to improve interrupt response |
| CN1535427A (en) * | 2001-07-30 | 2004-10-06 | 皇家菲利浦电子有限公司 | Efficient interrupt system for system on chip design |
| CN101634974A (en) * | 2009-08-26 | 2010-01-27 | 成都市华为赛门铁克科技有限公司 | Method, device and system for processing multiple interrupt types |
| CN104102322A (en) * | 2013-04-07 | 2014-10-15 | 索尼公司 | Method and device for prolonging CPU sleep time |
-
2016
- 2016-05-30 CN CN201610377407.5A patent/CN106020961A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195140A (en) * | 1997-03-28 | 1998-10-07 | 国际商业机器公司 | Using intelligent bridges with PICO-code to improve interrupt response |
| CN1535427A (en) * | 2001-07-30 | 2004-10-06 | 皇家菲利浦电子有限公司 | Efficient interrupt system for system on chip design |
| CN101634974A (en) * | 2009-08-26 | 2010-01-27 | 成都市华为赛门铁克科技有限公司 | Method, device and system for processing multiple interrupt types |
| CN104102322A (en) * | 2013-04-07 | 2014-10-15 | 索尼公司 | Method and device for prolonging CPU sleep time |
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Application publication date: 20161012 |