CN107943259A - Power-off reset method and apparatus based on VxWorks system - Google Patents
Power-off reset method and apparatus based on VxWorks system Download PDFInfo
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- CN107943259A CN107943259A CN201610892762.6A CN201610892762A CN107943259A CN 107943259 A CN107943259 A CN 107943259A CN 201610892762 A CN201610892762 A CN 201610892762A CN 107943259 A CN107943259 A CN 107943259A
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- cpu
- power down
- operating system
- reset
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/24—Resetting means
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a kind of power-off reset method and apparatus based on VxWorks system, this method includes：In the program exception of operating system, by all hardware circuit power down of CPU minimum systems in the operating system；If the hardware circuit power down time reaches preset time period, all hardware circuit of power down is powered on, the sequential of all hardware circuits of the CPU for making to reset in CPU minimum systems with resetting is consistent.The above method can ensure that all the chip reset sequential and electrification reset sequential of CPU minimum systems are consistent, and realize the normal startup of vxworks operating system.
Description
Technical field
The present invention relates to the communication technology, more particularly, to a kind of power-off reset method and apparatus based on VxWorks system.
Background technology
Vxworks operating system is a embedded real-time operating system of WindRiver companies design, it is capable of providing
Good reliability and remarkable real-time, be widely used in the high-quality precision and sophisticated technologies such as communication, military affairs, Aeronautics and Astronautics and
In the high field of requirement of real-time.
In the embedded board of vxworks operating system, some peripheral circuits composition CPU minimum systems of CPU and CPU,
Including network interface card, serial ports, memory, FLASH chip etc..
In vxworks operating system, if since the software anomalies such as program fleet, memory overwriting can cause the reset of CPU,
This reset is the reboot functions of operating system, and after performing reboot, cpu reset, it is controlled after cpu reset restarting again
Peripheral circuit is resetted.
At present, vxworks operating system can only reset CPU sheets due to CPU calling reboot resets caused by program exception
Body, then the peripheral circuit connected with CPU, such as network interface card, exchange chip, clock chip, DDR chips etc. cannot reset at the same time,
After cpu reset starts, peripheral circuit is resetted again, it is impossible to ensure all chip reset sequential of CPU minimum systems and upper
Reply bit timing by cable to be consistent, triggering hardware anomalies sometimes causes system normally to start.
The content of the invention
For disadvantages described above, the present invention provides a kind of power-off reset method and apparatus based on VxWorks system, Neng Goubao
All the chip reset sequential and electrification reset sequential of card CPU minimum systems are consistent, and realize vxworks operating system just
Often start.
In a first aspect, the power-off reset method provided by the invention based on VxWorks system, including：
In the program exception of operating system, by all hardware circuit power down of CPU minimum systems in the operating system；
If the hardware circuit power down time reaches preset time period, all hardware circuit of power down is powered on, makes CPU
The sequential of all hardware circuits of the CPU resetted in minimum system with resetting is consistent.
Alternatively, by the operating system the step of all hardware circuit power down of CPU minimum systems before, the side
Method further includes：
To cpu reset.
Alternatively, the CPU minimum systems include：The periphery electricity of CPU and the CPU in the embedded board of operating system
Road.
Alternatively, the peripheral circuit of the CPU includes following one or more：
Network interface card, exchange chip, clock chip, DDR chips and FLASH chip.
Alternatively, the preset time period is to determine the time according to needed for the cpu reset.
Alternatively, to cpu reset, including：
The operating system calls reboot functions to carry out cpu reset.
Alternatively, by all hardware circuit power down of CPU minimum systems in the operating system, including：
The all hardware circuit power down of CPU minimum systems in operating system described in reboot function call FUNCA function pairs；
The FUNCA functions call when being articulated to CPU exceptional resets beforehand through system function rebootHoodAdd
Hook Function on reboot functions, and with all hardware circuit power down for making CPU minimum systems in the operating system
Function.
Alternatively, all hardware circuit of power down is powered on, including：
The all hardware circuit of reboot function call FUNCA function pair power down powers on；
The FUNCA functions call when being articulated to CPU exceptional resets beforehand through system function rebootHoodAdd
Hook Function on reboot functions, and powered on all hardware circuit for making CPU minimum systems in the operating system
Function.
Second aspect, the present invention provide a kind of power-off reset device based on VxWorks system, including：
Power down module, in the program exception of operating system, by the operating system CPU minimum systems it is all
Hardware circuit power down；
Judgment module, for judging whether power down mould hardware circuit power down time in the block reaches preset time period；
Module is powered on, for determining that hardware circuit power down time reaches preset time period in judgment module, then to power down
All hardware circuit powers on, and the sequential of all hardware circuits of the CPU for making to reset in CPU minimum systems with resetting is consistent.
The third aspect, the present invention provide a kind of operating system, which includes any of the above-described device.
As shown from the above technical solution, the power-off reset method and apparatus of the invention based on VxWorks system, are operating
During the program exception of system, all hardware circuit power down preset time period of CPU minimum systems can be made, and then powered on again,
It ensure that the CPU resetted in CPU minimum systems is consistent with all hardware circuit sequence, so as to fulfill vxworks operating system
Normal startup.
Brief description of the drawings
By reference to attached drawing can be more clearly understood the present invention characteristic information and advantage, attached drawing be schematically without
It is interpreted as carrying out any restrictions to the present invention, in the accompanying drawings：
Fig. 1 is the flow chart for the power-off reset method based on VxWorks system that one embodiment of the invention provides；
Fig. 2 is the structure diagram for the power-off reset device based on VxWorks system that one embodiment of the invention provides.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from other modes described here, therefore, protection scope of the present invention and from described below
Specific embodiment limitation.
The present invention relates to embedded system technology field, is especially a kind of CPU based on VxWorks system multiple in exception
During position, operating system calls reboot functions automatically, electric under the whole CPU peripheral circuits including CPU at this time, then again
Power on.Ensure the complete power-off reset of CPU minimum systems.
As shown in Figure 1, Fig. 1 shows the power-off reset method based on VxWorks system that one embodiment of the invention provides
Flow diagram, the method for the present embodiment includes the steps：
101st, in the program exception of operating system, by all hardware circuit of CPU minimum systems in the operating system
Power down.
For example, the CPU minimum systems referred in the step may include：CPU in the embedded board of operating system
With the peripheral circuit of the CPU.
In addition, the peripheral circuit of the CPU in the present embodiment may include following one or more：Network interface card, exchange chip, when
Clock chip, FLASH chip and DDR chips.
It should be noted that the random procedure that the program exception of aforesaid operations system can be regarded as current operation system is abnormal,
The not specific user program for being limited to operate on CPU of the present embodiment is abnormal, is both operated including user program or including vxWorks
System program itself.
If the 102, the hardware circuit power down time reaches preset time period, all hardware circuit of power down is powered on,
The sequential of all hardware circuits of the CPU for making to reset in CPU minimum systems with resetting is consistent.
Specifically, by the operating system the step of all hardware circuit power down of CPU minimum systems before, the side
Method further includes：
To cpu reset.For example, operating system can call reboot function pairs CPU to be resetted.
It should be noted that the preset time period in above-mentioned steps 102 is to determine time according to needed for the cpu reset
's.
In practical applications, it is " all hardware of CPU minimum systems in the operating system is electric in abovementioned steps 101
Road power down ", it may include：
The all hardware circuit power down of CPU minimum systems in operating system described in reboot function call FUNCA function pairs；
FUNCA functions in the step can be tune when being articulated to CPU exceptional resets by system function rebootHoodAdd
Hook Function on reboot functions, and having falls all hardware circuit of CPU minimum systems in the operating system
The function of electricity.
In addition, " being powered on to all hardware circuit of power down " in abovementioned steps 102, it may include：
The all hardware circuit of reboot function call FUNCA function pair power down powers on；
At this time, FUNCA functions here are tune when being articulated to CPU exceptional resets by system function rebootHoodAdd
Hook Function on reboot functions, and with making on all hardware circuit of CPU minimum systems in the operating system
The function of electricity.
That is, advance custom function FUNCA in the present embodiment, is completed to CPU minimum systems in this function
Power-off reset operation.
For example, system function rebootHoodAdd is mounted to cpu reset function reboot, in rebooHookAdd functions
The self-defined FUNCA functions of middle addition, automated execution reboot functions during CPU exceptional resets, due to reboot mounted from
The dynamic FUNCA functions called, so reboot calls FUNCA functions automatically when performing, FUNCA functions complete CPU minimum systems
Power-off reset.That is, by system function rebootHookAdd functions by self-defined FUNCA function hooks to reboot functions,
It is automatic to call FUNCA functions when reboot is performed, so as to complete the power-off reset of CPU minimum systems.
Thus, the above method calls self-defined using rebootHoodAdd to be articulated to the mode of reboot functions
FUNCA functions, give CPU minimum system hardware chip power-off resets, and then complete the power-off reset to CPU minimum systems, keep away
It is abnormal to exempt from the startup caused by minimum system hardware chip reset timing is inconsistent, ensures that the normal of system starts.
In addition, the embodiment of the present invention also provides a kind of power-off reset device based on VxWorks system, as shown in Fig. 2, should
Device further includes：Power down module 21, judgment module 22, power on module 23；
Wherein, power down module 21, in the program exception of operating system, being by CPU minimums in the operating system
The all hardware circuit power down of system；For example, call all hardware of CPU minimum systems in operating system described in FUNCA function pairs
Circuit power down；
Judgment module 22, for judging whether power down mould hardware circuit power down time in the block reaches preset time period；
Module 23 is powered on, for determining that hardware circuit power down time reaches preset time period in judgment module, then to power down
All hardware circuit power on, for example, powering on module 23 all hardware circuit of FUNCA function pair power down can be called to power on；Make
The sequential of all hardware circuits of the CPU resetted in CPU minimum systems with resetting is consistent.
Alternatively, in other embodiments, above-mentioned power-off reset device may also include the reseting module not shown in figure,
The reseting module can be used for before power down module is to all hardware circuit power down of CPU minimum systems to cpu reset.In reality
In, which can call reboot functions to carry out cpu reset.
CPU minimum systems in the present embodiment may include the periphery of the CPU and the CPU in the embedded board of operating system
Circuit.
Special instruction, foregoing preset time period is to determine the time according to needed for the cpu reset.
It should be noted that the power-off reset device of the present embodiment can perform the power-off reset described in foregoing any embodiment
Method, referring to foregoing description, this will not be detailed here for the present embodiment.
When the above-mentioned power-off reset device based on VxWorks system may be implemented in CPU exceptional resets, it can ensure CPU most
Mini system can power-off reset, realize that the sequential of CPU minimum systems is consistent, ensure the normal startup of operating system.
The third aspect, the embodiment of the present invention also provide a kind of operating system, which may include above-mentioned any implementation
Device described in example.
In the present invention, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint are opposite
Importance.Term " multiple " refers to two or more, unless otherwise restricted clearly.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
- A kind of 1. power-off reset method based on VxWorks system, it is characterised in that including：In the program exception of operating system, by all hardware circuit power down of CPU minimum systems in the operating system；If the hardware circuit power down time reaches preset time period, all hardware circuit of power down is powered on, makes CPU minimum The sequential of all hardware circuits of the CPU resetted in system with resetting is consistent.
- 2. according to the method described in claim 1, it is characterized in that, by the operating system CPU minimum systems it is all hard Before the step of part circuit power down, the method further includes：To cpu reset.
- 3. according to the method described in claim 1, it is characterized in that, the CPU minimum systems include：Operating system it is embedded The peripheral circuit of CPU and the CPU in board.
- 4. according to the method described in claim 3, it is characterized in that, the peripheral circuit of the CPU includes following one kind or more Kind：Network interface card, exchange chip, clock chip, DDR chips and FLASH chip.
- 5. according to the method described in claim 2, it is characterized in that, the preset time period is according to needed for the cpu reset Time determine.
- 6. according to the method described in claim 2, it is characterized in that, to cpu reset, including：The operating system calls reboot functions to carry out cpu reset.
- 7. according to the method described in claim 6, it is characterized in that, by the operating system CPU minimum systems it is all hard Part circuit power down, including：The all hardware circuit power down of CPU minimum systems in operating system described in reboot function call FUNCA function pairs；The reboot letters that the FUNCA functions call when being and being articulated to CPU exceptional resets by system function rebootHoodAdd Hook Function on number, and there is all hardware circuit power down for making CPU minimum systems in the operating system.
- 8. according to the method described in claim 6, it is characterized in that, powered on to all hardware circuit of power down, including：The all hardware circuit of reboot function call FUNCA function pair power down powers on；The reboot letters that the FUNCA functions call when being and being articulated to CPU exceptional resets by system function rebootHoodAdd Hook Function on number, and have the function of to make all hardware circuit of CPU minimum systems in the operating system to power on.
- A kind of 9. power-off reset device based on VxWorks system, it is characterised in that including：Power down module, in the program exception of operating system, by all hardware of CPU minimum systems in the operating system Circuit power down；Judgment module, for judging whether power down mould hardware circuit power down time in the block reaches preset time period；Module is powered on, for determining that hardware circuit power down time reaches preset time period in judgment module, is then owned to power down Hardware circuit powers on, and the sequential of all hardware circuits of the CPU for making to reset in CPU minimum systems with resetting is consistent.
- 10. a kind of operating system, it is characterised in that including the device described in the claims 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892762.6A CN107943259B (en) | 2016-10-13 | 2016-10-13 | Power failure reset method and device based on VxWorks system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892762.6A CN107943259B (en) | 2016-10-13 | 2016-10-13 | Power failure reset method and device based on VxWorks system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107943259A true CN107943259A (en) | 2018-04-20 |
| CN107943259B CN107943259B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892762.6A Expired - Fee Related CN107943259B (en) | 2016-10-13 | 2016-10-13 | Power failure reset method and device based on VxWorks system |
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Cited By (2)
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| CN109361368A (en) * | 2018-12-14 | 2019-02-19 | 无锡思泰迪半导体有限公司 | A kind of filter and its control method of the integrated comparator with reset function |
| CN117540443A (en) * | 2023-10-26 | 2024-02-09 | 中国人民解放军军事科学院系统工程研究院 | Method for avoiding abnormal power failure damage of equipment for operating system |
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| CN109361368A (en) * | 2018-12-14 | 2019-02-19 | 无锡思泰迪半导体有限公司 | A kind of filter and its control method of the integrated comparator with reset function |
| CN117540443A (en) * | 2023-10-26 | 2024-02-09 | 中国人民解放军军事科学院系统工程研究院 | Method for avoiding abnormal power failure damage of equipment for operating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107943259B (en) | 2020-12-25 |
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Granted publication date: 20201225 |