CN101354654A - System and method for automatically switching basic input / output procedure - Google Patents
System and method for automatically switching basic input / output procedure Download PDFInfo
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- CN101354654A CN101354654A CNA2007101363572A CN200710136357A CN101354654A CN 101354654 A CN101354654 A CN 101354654A CN A2007101363572 A CNA2007101363572 A CN A2007101363572A CN 200710136357 A CN200710136357 A CN 200710136357A CN 101354654 A CN101354654 A CN 101354654A
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Abstract
The invention discloses a system for automatically switching over basic input/output programs and a method thereof. The system comprises a hardware control circuit which is a programmable logic circuit, a first basic input/output system program and a second basic input/output system program, and a switching circuit which is connected with the hardware control circuit. The system makes use of two basic input/output systems which can automatically switch over and mutually provide backup. When the system is started after a preset time through the first input/output system program, the system is switched over to be connected with the second input/output system program and is restarted if the status signal of the basic input/output system is detected as a disability signal through the hardware control circuit.
Description
Technical field
The present invention relates to a kind of system and method thereof of the basic input/output program that automaticallyes switch, relate in particular to and a kind ofly finish the technology that system opens the beginning by hardware control circuit automatic switchover basic input/output program.
Background technology
In computer system, basic input/output (Basic Input-Output System, BIOS) be most basic software in the computer elementary operation, mainly formed by the instruction set of low order, and mainly in it store the basic input/output procedure relevant and important with computing machine, system information equipment, the selftest of starting shooting (Power-On Self Test is POST) with the system boot program etc.When computer booting, BIOS promptly calls stored relative program computer system is carried out start oneself detection.After detection was all finished, BIOS satisfied the bootstrap module of system that system's control is transferred to, with the loading procedure by bootstrap module complete operation system.Therefore, initial running during computing machine one start all is to carry out running according to the content of basic input/output, if basic input/output goes wrong, computing machine can't be carried out the test as internal memory, hard disk, central processing unit etc. once starting shooting, computing machine can't be started shooting smoothly.
In general computer system, all with the program instruction set burning of BIOS in non-voltile memory (Non-Volatile Memory), as Flash ROM, PROM, EPROM, EEPROM etc., and will be built in the motherboard of computing machine in the BIOS internal memory or put into the chipset of computer system, make it not influenced by the power supply supply, and can preserve its content for a long time.But the content of BIOS internal memory is not mistake can not occur fully, when the circuit structure of BIOS internal memory produces degeneration in time, or when BIOS upgrades misoperation and cause data damages, or other operation that can not expect makes its content produce mistake or data run off, produce mistake in the time of will causing computer booting to carry out bios program, and cause the system can't normal boot-strap, so that the rescue of BIOS becomes be extremely important.In the prior art, two bios memory devices are set in a computer system, also or in a BIOS internal memory two parts of bios programs are arranged, but make BIOS by the mode of software program to switch because be, its prerequisite must be that the data of promoter region are entirely true among the BIOS, the switching that just can finish BIOS is with smooth start, otherwise if the data of promoter region are also destroyed among the BIOS, that system still can can't start when machine in start process smoothly.
Summary of the invention
Technical matters to be solved by this invention is to propose a kind of system and method thereof of automatically switching basic input/output procedure.
For achieving the above object, a hardware control circuit provided by the present invention, it is a programmable logical circuit, a schedule time after this system start-up, detect a basic input/output status signal, then send a switching signal if this basic input/output status signal is an anergy signal, and restart this system, wherein the initial value when starting shooting is this anergy signal to this basic input/output status signal in this system; One first basic input/output program and one second basic input/output program, be stored in two entity basic input/output internal memories respectively, or be stored in two address sections in the same entity basic input/output internal memory, all can open this system of beginning, and after finishing the start selftest, changing this basic input/output status signal is an activation signal, and wherein this system is opened the beginning by this first basic input/output program earlier; And one switch circuit, connects this hardware control circuit, when receiving this switching signal, then utilizes this second basic input/output program to open this system of beginning; Wherein, this commutation circuit is being controlled under the situation of this system restart by this hardware control circuit, keeps this system and opens the beginning with this second basic input/output program earlier.
And, for achieving the above object, the invention provides a kind of method of automatically switching basic input/output procedure, comprise the following step at least: open beginning one system by one first basic input/output program; Whether in this system start-up to one schedule time, detecting a basic input/output status signal by a hardware control circuit is an anergy signal; When this basic input/output status signal is this anergy signal, transmits switching signal to a switching circuit by this hardware control circuit and open this system of beginning to utilize one second basic input/output program; And restart this system; This first basic input/output program and this second basic input/output program, be stored in two entity basic input/output internal memories respectively or be stored in two address sections in the same entity basic input/output internal memory, it all can open this system of beginning, and after finishing the start selftest, changing this basic input/output status signal is an activation signal.
This system comprises at least by hardware control circuit, system chipset, power pack, commutation circuit and two can provide the bios program of redundant or BIOS internal memory to be formed mutually.Utilize it to automatically switch and the bios program or the BIOS internal memory of redundant are provided mutually, (Programmable Logic IC, PAL) detection signal is to switch bios program or the BIOS internal memory for system start-up for the hardware control circuit by a programmable.This hardware control circuit includes a BIOS status signal (BIOS READY signal) input end, and two signal output parts of the switching signal (BLOCK_SELECT signal) of BIOS and system's reset signal (SYS_SWITCH_OUT_N signal).Wherein, the BIOS status signal is that system opens in the process of beginning in BIOS, can pass through the chip pin by the program control chip of BIOS by any one, as general service input and output (General Purpose I/O, GPIO) pin, be passed to the signal of hardware control circuit, and the initial value of BIOS status signal when computer system power-on is made as anergy (Disable) signal.In addition, the switching signal of BIOS transmits anergy signal or enable signal to the switching of commutation circuit with control bios program or BIOS internal memory by hardware control circuit.And replacement (reset) signal that system's reset signal is a hardware control circuit is sent to South Bridge chip, so that system starts shooting again.
Because of the initial value of BIOS status signal when the computer system power-on is made as the anergy signal, if finish the state of start selftest (POST) detection itself for just often at bios program, by chip pin, the BIOS status signal is changed into enable signal as the general service input and output.Therefore after one period schedule time was opened by system, hardware control circuit promptly detects judged that the BIOS status signal is anergy signal or enable signal.If the BIOS status signal be enable signal then system proceed the boot program of this bios program; If the BIOS status signal is the anergy signal, then the switching signal of a BIOS of hardware control circuit transmission is switched system and connects to another bios program, and send system's reset signal simultaneously with restarting systems to commutation circuit.And during by the hardware control circuit restarting systems, then keep by the bios program start-up system after switching.In addition, above-mentioned two bios programs that automatically switch and redundant is provided mutually can be the program code that is stored in different addresses section in the entity B IOS internal memory, or are stored in two programs in the entity B IOS internal memory respectively.In addition, the content of these two bios programs can be identical program code, perhaps comprises different program codes respectively because of various objectives such as BIOS backup, BIOS redundant, gas defences.
Whereby, more can reach another effect by method of the present invention, even the promoter region of BIOS itself is damaged, and BIOS promptly can't detect at itself, also or in start selftest (POST) process, take place unusual, therefore can't be in the schedule time after the start activation BIOS status signal.Again because the initial value of BIOS status signal when computer system power source is opened is the anergy signal, so detecting the BIOS status signal when hardware control circuit is the anergy signal, represent that promptly this BIOS can't complete successfully system start-up, therefore send the switching signal of a BIOS automatically to commutation circuit by hardware control circuit, make the commutation circuit switched system be connected to another BIOS, and by the BIOS restarting systems after this switching.Damage fully even reach a bios program or BIOS internal memory, still can automatically switch to another bios program or BIOS internal memory to finish the purpose of system start-up by system.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Fig. 1 is the configuration diagram of the system embodiment one of automatic switchover bios program of the present invention;
Fig. 2 is the configuration diagram of the system embodiment two of automatic switchover bios program of the present invention;
T Fig. 3 A and Fig. 3 B are the flow chart of steps of the method for a kind of bios program that automaticallyes switch of the present invention.
Wherein, Reference numeral:
100: system 210: hardware control circuit
110: hardware control circuit 220: CPU (central processing unit)
120: CPU (central processing unit) 230: power supply unit
130: power supply unit 240: commutation circuit
140: 250: the one BIOS internal memories of commutation circuit
251: the first bios programs of 150:BIOS internal memory
260: the two BIOS internal memories of 151: the first bios programs
261: the second bios programs of 152: the second bios programs
200: system
Embodiment
The present invention is a kind of system and method thereof of automatically switching basic input/output procedure, a kind of two bios programs that can automatically switch and redundant is provided mutually that have are mainly proposed, even damage fully to reach a bios program, still can automatically switch to the technology of another bios program with start-up system.Below be described in detail system of the present invention earlier, and to use the preferred embodiment of the technology of the present invention, conjunction with figs. describes content of the present invention and technology in detail.
At first, please be the configuration diagram with system embodiment one of the bios program that can automatically switch of the present invention earlier with reference to Fig. 1.The system 100 of the automatic switchover bios program of embodiment one, comprise hardware control circuit 110, CPU (central processing unit) 120, power supply unit 130, commutation circuit 140 and an entity B IOS internal memory 150 and form, wherein have first bios program 151 and second bios program 152 in the entity B IOS internal memory 150.Wherein, hardware control circuit 110 is the logical circuit of a programmable, start one schedule time of back in system 100, detect the BIOS status signal by hardware control circuit 110, if this BIOS status signal is that anergy (disable) signal then sends switching signal to commutation circuit 140, and restarting systems 100, wherein this BIOS status signal is for to open in the process of beginning in bios program in system 100, be passed to the signal of this hardware control circuit 110 by any one chip that can be controlled by CPU (central processing unit) 120 by chip pin (as: general service input and output pin), its initial value when system's 100 starts is an anergy signal simultaneously.In addition, first bios program 151 and second bios program 152, all in order to open the program of beginning system, be stored in the different address section in the entity B IOS internal memory 150 respectively, such as: in the entity B IOS of 4MB internal memory, in place, memory address coding 0～2MB address and place, 2～4MB address, respectively store a basic output/input system program respectively.And commutation circuit 140 is connected to hardware control circuit 110, when receiving the switching signal that transmits from hardware control circuit 110, then change the geocoding in the BIOS internal memory 150, to connect to this first bios program 151 or this second bios program 152, the basic output/input system program that reaches the automatic switchover redundant is to start the purpose of computer system.In addition, the first above-mentioned bios program 151 and second bios program 152 are and comprise the program that opens the beginning system, its both content can be identical program code, perhaps comprises different program codes respectively because of various objectives such as BIOS backup, BIOS redundant, gas defences.
Whereby, can add the input end of a BIOS status signal (BIOS READY signal) in hardware control circuit 110 designs, when opening the beginning when system's 100 starts and with first bios program 151, earlier initial BIOS status signal is the anergy signal.After finishing start selftest (POST), just the BIOS status signal is changed to enable signal.Therefore treat a schedule time behind 100 starting up of system, it is enable signal or anergy signal that hardware control circuit 110 promptly detects the BIOS status signal.If detect the BIOS status signal is the anergy signal, represent that promptly the BIOS of this system 100 can't complete successfully the startup of system 100, then switching signal (BLOCK_SELECT signal) to this commutation circuit 140 that transmits a BIOS by hardware control circuit 110 is connected to second bios program 152 with switched system 100, and sends system's reset signal (SYS_SWITCH_OUT_NENABLE) with restarting systems 100.This moment, commutation circuit 140 will change the geocoding that opens beginning system's bios program of 100, and used second bios program 152 to open this system 100 of beginning.This technological means only need be changed the program of hardware control circuit, and cooperates the commutation circuit of a bios program, just can reach the purpose of rescue fully, as only needing by a mutual exclusion or door among the embodiment one.Therefore on production cost and System Operation benefit, all have greatly improved.
Then, please refer to Fig. 2, be the configuration diagram with system embodiment two of the bios program that can automatically switch of the present invention.The system 200 of the automaticallyed switch BIOS internal memory of embodiment two comprises at least by two entity B IOS internal memories such as hardware control circuit 210, CPU (central processing unit) 220, power supply unit 230, commutation circuit 240 and a BIOS internal memory 250 and the 2nd BIOS internal memories 260 and is formed.Its operation principles with embodiment one is identical, the unique embodiment of being different from one part is that the system 200 of embodiment two has two entity B IOS internal memories the one BIOS internal memory 250, the 2nd BIOS internal memory 260, and respectively at storing first bios program 251 in the BIOS internal memory 250 and in the 2nd BIOS internal memory 260, storing second bios program 261.Start one schedule time of back in system 200, detect the BIOS status signal by hardware control circuit 210, if this BIOS status signal is that anergy (disable) signal then sends switching signal to commutation circuit 240, and restarting systems 200, wherein this BIOS status signal is for to open in the process of beginning in bios program in system 200, be passed to the signal of this hardware control circuit 210 by any one chip that can be controlled by CPU (central processing unit) 220 by chip pin (as: general service input and output pin), its initial value when system's 200 starts is an anergy signal simultaneously.The first above-mentioned bios program 251 and second bios program 261 are and comprise the program that opens the beginning system, and its both content can be identical program code, perhaps comprise different program codes respectively because of various objectives such as BIOS backup, BIOS redundant, gas defences.
Whereby, can add the input end of a BIOS status signal in hardware control circuit 210 designs, when opening the beginning when system's 200 starts and with first bios program 251, earlier initial BIOS status signal is the anergy signal.After finishing start selftest (POST), just the BIOS status signal is changed to enable signal.Therefore treat a schedule time behind 200 starting up of system, it is enable signal or anergy signal that hardware control circuit 210 promptly detects the BIOS status signal.If detect the BIOS status signal is the anergy signal, represent that promptly this BIOS can't complete successfully the startup of system 200, then switching signal to this commutation circuit 240 that transmits a BIOS by hardware control circuit 210 is connected to second bios program 261 with switched system 200, and sends system's reset signal with restarting systems 200.This moment, system will use 261 starts of second bios program.
Next, will explain, please cooperate, be the flow chart of steps of the method for a kind of bios program that automaticallyes switch of the present invention with reference to Fig. 3 A, Fig. 3 B at method and technology means proposed by the invention.Being simplified illustration, below is example with the enforcement aspect of the system 100 of embodiment one only, but does not limit method and technology of the present invention.Please earlier with reference to Fig. 3 A, when the user opens computing machine, at first, by first bios program, 151 start-up systems 100 (step 300); After system 100 starts one period schedule time, detect by hardware control circuit 110 whether the BIOS status signal is anergy signal (step 310) then; If the BIOS status signal is an enable signal, then directly finish system start-up (step 320) in the step 310 by first bios program 151; But if the BIOS status signal is the anergy signal, then transmits switching signal a to commutation circuit 140 and open beginning system's 100 (steps 330) in the step 310 to utilize second bios program 152 by this hardware control circuit 110; Then, restarting systems 100 (step 340), and commutation circuit 140 is kept with second bios program 152 and is opened beginning system 100; Treat that system 100 opens again and finish system by second bios program 152 and open the beginning (step 350); Finish this steps flow chart at last.Wherein, above-mentioned steps 350 is finished the step that system opens the beginning by second bios program 152, also comprise when system 100 and start to this schedule time, this hardware control circuit 110 then transmits this switching signal to this commutation circuit 140 and opens this system of beginning to utilize this first bios program 151 if detecting this BIOS status signal is the anergy signal.Whereby, company is to the bios program of normal operation, to finish the purpose that opens the beginning system but the system that reaches can automatically switch.
Wherein, above-mentioned steps 300 has also comprised the thin flow process A of portion.Please follow B with reference to Fig. 3.In flow process A, when the user when opening computer system, system 100 can earlier initial BIOS status signal be an anergy signal (step 301); Then, utilize the promoter region in this bios program that (step 302) judged in the default district in this bios program, wherein, the promoter region refers to comprise in the bios program program code of detection system setting district (System Rom) state, and the default district refers to other outer program code of promoter region in the bios program; This promoter region in the above-mentioned steps 302 itself is if damage then can't detect this default district, and this is the situation that bios program itself has been damaged or the BIOS internal memory damages, therefore direct subsequent steps 330; But, then then judge default district whether normally (step 303) if this promoter region in the step 302 can be detected the default district smoothly; In above-mentioned steps 303, if the default district is judged as unusually, then can point out the warning (step 304) and the subsequent steps 310 of BIOS mistake, but if the default district is judged as normally, then hardware control circuit 110 change BIOS status signals are enable signal (step 305); Then, continue to step 310 again.
So, in the computer system starting process, by the first bios program start-up system, the promoter region of bios program is that change BIOS status signal is an enable signal under the normal situation to the default district of its bios program selftest (POST) of starting shooting itself in testing result.Therefore, opening one schedule time of back in system, is enable signal as if detecting the BIOS status signal when hardware control circuit, then directly opens the beginning system by first bios program.But if when starting shooting selftest (POST) appearance unusually, also or when the program of the promoter region of first bios program own damaged or unusually, promptly can't detect default district in the bios program (System Rom), therefore all can't change the BIOS status signal is enable signal.So when treating that this hardware control circuit detects this BIOS status signal and is the anergy signal, then switched system is connected to second bios program immediately, and restarting systems.During simultaneously by hardware control circuit open system again, the system that keeps opens the beginning with second bios program.Whereby, even the promoter region of bios program itself is damaged, even also or bios program or BIOS internal memory damage fully, still can automatically switch to another bios program or BIOS internal memory to finish system start-up by system, reach the purpose of automatic switchover bios program.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. the system of an automatically switching basic input/output procedure is characterized in that, comprises at least:
One hardware control circuit, it is a programmable logical circuit, a schedule time after this system start-up, detect a basic input/output status signal, if being an anergy signal, this basic input/output status signal then sends a switching signal, and restart this system, wherein the initial value when starting shooting is this anergy signal to this basic input/output status signal in this system;
One first basic input/output program and one second basic input/output program, be stored in two entity basic input/output internal memories respectively, or be stored in two address sections in the same entity basic input/output internal memory, all can open this system of beginning, and after finishing the start selftest, changing this basic input/output status signal is an activation signal, and wherein this system is opened the beginning by this first basic input/output program earlier; And
One switches circuit, connects this hardware control circuit, when receiving this switching signal, then utilizes this second basic input/output program to open this system of beginning;
Wherein, this commutation circuit is being controlled under the situation of this system restart by this hardware control circuit, keeps this system and opens the beginning with this second basic input/output program earlier.
2. the system of automatically switching basic input/output procedure according to claim 1 is characterized in that, this basic input/output status signal comprise arbitrary can be by the signal of the basic input/output of this system control.
3. the method for an automatically switching basic input/output procedure is characterized in that, comprises the following step at least:
Open beginning one system by one first basic input/output program;
Whether in this system start-up to one schedule time, detecting a basic input/output status signal by a hardware control circuit is an anergy signal;
When this basic input/output status signal is this anergy signal, transmits switching signal to a switching circuit by this hardware control circuit and open this system of beginning to utilize one second basic input/output program; And
Restart this system;
This first basic input/output program and this second basic input/output program, be stored in two entity basic input/output internal memories respectively or be stored in two address sections in the same entity basic input/output internal memory, it all can open this system of beginning, and after finishing the start selftest, changing this basic input/output status signal is an activation signal.
4. the method for automatically switching basic input/output procedure according to claim 3 is characterized in that, the initial value during in electric power starting is this anergy signal to this basic input/output status signal in this system.
5. the method for automatically switching basic input/output procedure according to claim 3, it is characterized in that, this hardware control circuit is a programmable logical circuit, when detecting this basic input/output status signal when this anergy signal, send this switching signal to this commutation circuit and restart this system.
6. the method for automatically switching basic input/output procedure according to claim 3 is characterized in that, this commutation circuit then utilizes this second basic input/output program to open this system of beginning when receiving this switching signal.
7. the method for automatically switching basic input/output procedure according to claim 3 is characterized in that, this basic input/output status signal comprise arbitrary can be by the signal of the Basic Input or Output System (BIOS) of this system control.
8. the method for automatically switching basic input/output procedure according to claim 3 is characterized in that, by the step of this system restart, also comprise this commutation circuit keep with this second basic input/output program open the beginning this system.
9. the method for automatically switching basic input/output procedure according to claim 8, it is characterized in that, open the step of this system of beginning with this second basic input/output program, also comprise when this system start-up to this schedule time, this hardware control circuit then transmits this switching signal to this commutation circuit and opens this system of beginning to utilize this first basic input/output program if detecting this basic input/output status signal is this anergy signal.
10. the method for automatically switching basic input/output procedure according to claim 3 is characterized in that, the step by this this system of first basic input/output program start also comprises the following step:
Initial this basic input/output status signal is this anergy signal;
Utilize the promoter region in this basic input/output program that one default district of this basic input/output program is judged; And
When this default district is judged as just often, it is this enable signal that this hardware control circuit changes this basic input/output status signal;
This promoter region refers to comprise the program code of judging this default zone state in this basic input/output program.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101363572A CN101354654A (en) | 2007-07-24 | 2007-07-24 | System and method for automatically switching basic input / output procedure |
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| CNA2007101363572A CN101354654A (en) | 2007-07-24 | 2007-07-24 | System and method for automatically switching basic input / output procedure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804131A (en) * | 2010-03-17 | 2012-11-28 | 惠普发展公司，有限责任合伙企业 | Apparatus and method of accessing a computer pre-boot routine |
| CN104932968A (en) * | 2014-03-18 | 2015-09-23 | 微星科技股份有限公司 | System and method for informing abnormal information in real time and eliminating abnormal state |
| CN106528097A (en) * | 2016-10-21 | 2017-03-22 | 浙江大华技术股份有限公司 | Version synchronization method for two pieces of BIOS (Basic Input/ Output System) firmware, and electronic equipment |
| CN107480011A (en) * | 2017-08-23 | 2017-12-15 | 英业达科技有限公司 | BIOS switching devices |
| CN107766102A (en) * | 2017-10-16 | 2018-03-06 | 环胜电子(深圳)有限公司 | The starting-up method of double ROM-BIOSs (BIOS) and there is its electronic installation |
-
2007
- 2007-07-24 CN CNA2007101363572A patent/CN101354654A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804131A (en) * | 2010-03-17 | 2012-11-28 | 惠普发展公司，有限责任合伙企业 | Apparatus and method of accessing a computer pre-boot routine |
| CN102804131B (en) * | 2010-03-17 | 2015-10-14 | 惠普发展公司，有限责任合伙企业 | The apparatus and method of access computer pre-boot routine |
| CN104932968A (en) * | 2014-03-18 | 2015-09-23 | 微星科技股份有限公司 | System and method for informing abnormal information in real time and eliminating abnormal state |
| CN104932968B (en) * | 2014-03-18 | 2018-07-10 | 微星科技股份有限公司 | System and method for informing abnormal information in real time and eliminating abnormal state |
| CN106528097A (en) * | 2016-10-21 | 2017-03-22 | 浙江大华技术股份有限公司 | Version synchronization method for two pieces of BIOS (Basic Input/ Output System) firmware, and electronic equipment |
| CN106528097B (en) * | 2016-10-21 | 2019-11-19 | 浙江大华技术股份有限公司 | A kind of the version synchronization method and electronic equipment of double BIOS/firmwares |
| CN107480011A (en) * | 2017-08-23 | 2017-12-15 | 英业达科技有限公司 | BIOS switching devices |
| CN107480011B (en) * | 2017-08-23 | 2020-11-06 | 英业达科技有限公司 | BIOS switching device |
| CN107766102A (en) * | 2017-10-16 | 2018-03-06 | 环胜电子(深圳)有限公司 | The starting-up method of double ROM-BIOSs (BIOS) and there is its electronic installation |
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Open date: 20090128 |