CN101751269B - Multi-boot method and system - Google Patents
Multi-boot method and system Download PDFInfo
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- CN101751269B CN101751269B CN 200810201322 CN200810201322A CN101751269B CN 101751269 B CN101751269 B CN 101751269B CN 200810201322 CN200810201322 CN 200810201322 CN 200810201322 A CN200810201322 A CN 200810201322A CN 101751269 B CN101751269 B CN 101751269B
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Abstract
The invention discloses a multi-boot system which comprises a re-start key, a basic boot system, a system memory unit and a boot management module, wherein the basic boot system further comprises a signal detection module. The invention further discloses a multi-boot method, which is used in re-boot and comprises the steps of comparing signal states before and after shutdown, directly loading a preset operating system if the signal states are different, starting the calculation of duration of the signal state from the re-boot and calculating the maintenance time of the signal state if the signal states are the same, comparing with a contrast unit, and designating one corresponding operating system of a plurality operating systems in an electronic device for loading. The method and system can lead a user to select the operating system or the operating mode in the more direct and more simple way without relying on a screen menu, or a keyboard and a mouse, and further lead the user to select the special operating system for loading.
Description
Technical field
The present invention relates to a kind of multi-boot method and system, particularly a kind of multi-boot system and method that can the assignment system when reopening machine.
Background technology
Personal computer or server have often been installed a plurality of different operating systems because of the demand on using, and it is also often different because of situation about using in the different operating systems, except general use pattern, also can provide multiple special use pattern, for example operating system of the operating system of the operating system of set model, safe mode (SafeMode), damage reduction-mode etc.
When personal computer or the server above-mentioned various operating systems of selection or operator scheme, usually use the upper and lower key of keyboard, or according to the function button on the indication keypad on the screen, such as F8 key, Delete key etc., the operating system that the choice for use person will load within the time of appointment or operator scheme.
Yet because the select time of variety of option is all restricted, for example the default select time of the multi-jobbing system menu of Windows is 30 seconds, does not select if surpass 30 seconds users, just directly loads and is listed in first operating system; Can enter the multiplex mode menu by F5 or F8 function key again or when start, allow the user can select to enter safe mode, the debug pattern, enable start record file, the normal startup, or reopening machine etc. again, the user can be keeped in repair or set computing machine, but when also must the user starting shooting, these functions dig-inning screen, pressing keyboard within the of short duration time could act on, in case miss the opportunity of input, computer system is just carried out next step boot program automatically, if the user will enter in the above-mentioned special pattern or operating system, can only again start shooting, wait and select the chance of menu to occur again next time.
Except the restriction of time, although the part calculation element also provides multi-jobbing system and operator scheme to use, but device itself is not equipped with keyboard or display operates for the user, box (Set-top Box) on the machine for example, only have the function key of the minorities such as power switch, reopening machine hole to use, switching operating system or keeping in repair, set to load special operator scheme picture the time, also can't utilize keyboard to select menu on the picture, or press button according to the picture indication.
The use inconvenience that said circumstances causes, although can adopt spended time to wait for that screen is selected and indication occurs or utilize combination button to produce different instruction with compromise methods such as switching operation modes, but inconvenience and the waste of time that eventually can cause the user to use, so need to dream up a kind of inconvenience that can reduce in the use, do not need simultaneously the user dig-inning display screen yet, fear to miss the method for selecting operating system or operator scheme opportunity, allow the user can be easily between the multi-jobbing system operation select and switch.
Summary of the invention
Purpose of the present invention is for a kind of multi-boot system and method being provided, allowing the user in more direct, more easy mode, do not need to rely on screen menu or keyboard, mouse to select operating system or work pattern, selecting specific operating system and loading.
Another object of the present invention, for a kind of multi-boot system and method are provided, when allowing the user that needing of switching operating system arranged, as long as an independent instruction just can specify directly which the system that next will load is, needn't wait for that start detects, wait for to select the indication of operating system to occur, operation keyboard such as selects at the redundant step again, also needn't worry because select the menu picture time of occurrence of multi-jobbing system of short duration and opportunity of missing selection.
In order to reach the purpose of above-mentioned simple and easy, instinct type operation, the invention provides a kind of multi-boot system, can allow the user when the machine of reopening, just determine the operating system project that next will load.This system comprises: a restart key, a systematic memory unit, a power-on management module, and a basic boot system, wherein, this basic boot system also comprises a signal detecting module.
This restart key is to trigger and produce and export a reopening machine signal for reopening the machine order via one, restarts immediately after an electronic installation shuts down in order to control again; Basic boot system is to carry out every initial job when start, to finish start, this included signal detecting module wherein, be be used to detect above-mentioned reopening machine signal before shutdown with the reopening machine after a signal state, and calculate the time span of this signal state sustainable existence, and this time span is converted to a record value writes in this systematic memory unit.The power-on management module is to read the record value that is stored in wherein from the systematic memory unit, and this record value and a plurality of operating system index are compared, and compares out one and the corresponding operating system index of this record value at last, loads this operating system according to index again.
In addition, in order to reach the above-mentioned purpose of the present invention, the present invention also provides a kind of multi-boot method, and the method comprises the following steps: at first, controls a restart key and produces and export one and reopen the machine signal, restarts immediately after making electronic installation shutdown; Then, detect a signal state of this reopening machine signal by a basic boot system, judge before the shutdown with start again after, whether the signal state of this reopening machine signal changes; If this signal state in the forward and backward difference of reopening machine, then notifies a power-on management module directly to load a default operating system by this basic boot system.If but signal state is identical, rise when then beginning to calculate reopening machine signal deadweight start by this signal detecting module, continue the time span of identical signal state; Then the time span of calculating is converted to a record value, writes again a systematic memory unit; Then read this record value by the power-on management module again, and judge its corresponding operating system index according to this record value, and this operating system is loaded.
The technological means that said system and method provide, via button of again starting shooting of control, calculate that this button reopens via one that the machine order is triggered and the reopening machine signal that sends until should the order of reopening machine stop, the time that this signal state of reopening the machine signal continues, go to tackle a specific operating system according to different time spans, operating system that the person wants to be loaded that the length of sending the signal time by restart key comes the choice for use.
Thus, when restart key is triggered, the time (for example: foundation is reopened machine command triggers restart key to the time that stops to reopen the machine order) of just having utilized control reopening machine signal to continue has determined which the operating system that next will load is at once, do not need again to start shooting first, wait again the indication keypad of screen, certainly also needn't worry to have missed selection operations specific system or operator scheme chance because of carelessness, and above-mentioned technological means also can be implemented running smoothly on the electronic installation of displayless or on-keyboard, allow and the several work system is installed at same electronic installation, or often need to switch to special maintenance, the technician of set model is able to facility and loads different operating systems with saving time operate.
Description of drawings
Fig. 1 is the present invention's one multi-boot system embodiment calcspar.
Fig. 2 is the present invention one time interval and record value contrast synoptic diagram.
Fig. 3 is that the present invention one reopens the time diagram that the machine signal continues identical signal state.
Fig. 4 is the present invention's one record value and operating system index comparison synoptic diagram.
Fig. 5 is the present invention's one multi-boot method embodiment process flow diagram.
The main element symbol description
1 electronic installation
2 multi-boot systems
20 restart keies
22 basic boot systems
225 signal detecting modules
2250 contrast unit
24 systematic memory unit
26 power-on management modules
265 comparing units
T0, t1, t2 time
S501～S513 process step
Embodiment
In order to solve the user when multi-boot system is started shooting, because of the restriction of time of opportunity of being subject to selecting operations specific system or operator scheme or selection, and may miss the puzzlement of the own operating system that will load; Can browse the function that the electronic installation of operating system option uses this multi-boot for offering not possess input keyboard or do not possess display screen simultaneously, the invention provides a kind of time of sending signal to calculate restart key (Reset Button), as judging which technological means is the operating system that the user will select to load be, satisfy described purpose and effect.For more detailed explanation and explanation is provided, below will and cooperate calcspar and process flow diagram explains orally for embodiment, in order to more clearly and clearly disclose technology used in the present invention and means.
Fig. 1 has disclosed a multi-boot system embodiment provided by the present invention.The multi-boot system 2 of this embodiment is applicable to an electronic installation 1, this multi-boot system 2 comprises: a restart key 20, one basic boot system 22, one systematic memory unit 24 and a power-on management module 26, wherein, this basic boot system 22 comprises a signal detecting module 225, comprises a contrast unit 2250 in this signal detecting module 225, comprises a comparing unit 265 in this power-on management module 26.
Restart key 20 is reopened the machine signal in order to produce and to export one, to restart immediately after 1 shutdown of control electronic installation again; And basic boot system 22 is for every initial job of starting shooting, to finish the program of start, wherein included signal detecting module 225 is the states for the reopening machine signal that sends of detecting restart key 20, and the lasting time span of this signal state of calculating, and the time span of calculating is passed through the record of contrast unit 2250, be converted to a corresponding record value, again with this record value writing system mnemon 24.Systematic memory unit 24 receives and stores after this record value, read this stored record value by power-on management module 26, and utilize comparing unit 265 to judge the specific operating system index that this record value corresponds to, according to index this operating system is loaded again, finish that electronic installation 1 is started shooting again and the process of selected operating system.
Next further specify the function mode of each element in the present embodiment.Restart key 20 via for example by the mode of giving as security, receive a reopening machine order of restarting after, produce a reopening machine signal, and this signal exported to order about electronic installation 1 shut down immediately, the operation of restarting again.This reopening machine signal has a fixing signal state when producing and exporting, behind electronic installation 1 reopening machine, whether the relevant initial job that basic boot system 22 can be started shooting, signal detecting module 225 wherein namely are used for detecting the signal state of reopening machine signal behind the reopening machine identical with signal state before the shutdown.If it is identical that this signal state is kept, expression is selected or is specified the order of an operations specific system still to exist, and signal detecting module 225 should judge further which the operating system that institute will appointment is; If but before the shutdown with start again after should reopening machine signal state different, expression there is no the order of selecting or specifying the operations specific system, basic boot system 22 notice power-on management modules 26 are default operating system of loading directly.
When signal state was kept identical situation, basic boot system 22 namely suspended other start initial job in advance, by signal detecting module 225 begin to calculate reopening machine signal when electronic installation 1 is started shooting again, continue to show time of this signal state.The calculating of time is maintained to till the signal state change of reopening machine signal, signal detecting module 225 is with the T.T. length of calculating, utilize time interval and each time interval of record in the contrast unit 2250 to distinguish corresponding record value, time span is converted to a specific record value, again with this record value writing system mnemon 24.Please refer to shown in Figure 2ly, contrast unit 2250 time interval and the record value that record are: signal state is kept between the noble potential time span 1 second to 5 seconds record value for " 01 ", record value is " 03 " for " 02 ", the record value more than 10 seconds between 6 to 10 seconds.If signal detecting module 225 calculates the time of the lasting identical signal state of reopening machine signal and altogether continued for 6 seconds, the division of contrast time interval, it is " 02 " that signal detecting module 225 is about to this time length transition, this record value 02 writing system mnemon 24 is stored again.
For keep the function that restarts merely electronic installation 1 and directly load default operating system, signal detecting module 225 also may wait for a period of time first after the start (for example: after 1 second) just begin to judge whether the signal state of reopening machine signal changes.With reference to time shaft shown in Figure 3 diagram, after the user pressed restart key 20 and sends the noble potential signal, electronic installation 1 was at time t
0Point restarts, and signal detecting module 225 is after through 1 second, from time t
1Just begin to differentiate signal state and whether still keep noble potential, namely whether the user decontrols restart key 20.If at time t
1The time detect the electronegative potential signal, namely notify power-on management module 26 directly to load default operating system; If the state of noble potential is continued until time t
2In time, just change, and expression begins to calculate the time t of signal state from signal detecting module 225
1To time t
2Altogether spent for 6 seconds, according to time interval shown in Figure 2 and record value, this time span should be converted to " 02 " and be recorded to systematic memory unit 24.
In the present embodiment, electronic installation 1 can be the computer installation of an x86 framework, such as box on personal computer or the machine; Wherein the basic boot system 22 in order to the above-mentioned multi-boot function of implementation is that ROM-BIOS (BIOS), systematic memory unit 24 are the main record (MBR) that starts for 26 of Cmos random access memory (CMOS RAM) power-on management modules.
Under the x86 framework, electronic installation 1 is in when start every program of oneself before detecting (Power on Self-Test) and entering operating system of can being started shooting by ROM-BIOS first, and during the ROM-BIOS operation, need to obtain electronic installation 1 every basic setting data, these data namely leave in the middle of the Cmos random access memory, therefore, before electronic installation 1 enters operating system, ROM-BIOS can read and write data to herein, carry out the program of start, until operating system is taken over whole electronic installation 1.
Main startup record mainly is be used to the loading of carrying out operating system, after allowing the initial program of start finish, can process more complicated work by operating system, when electronic installation 1 is equipped with the situation of multi-jobbing system, the main record that starts must know which operating system appointment loads, just can make correct load operations system, to carry out the work of user's appointment.
When restart key 20 receives the order of reopening machine, produce universal input (GPI) signal that a control electronic installation 1 is reopened machine, this moment, the universal input signal was rendered as a high potential state.This universal input signal is spread out of, and control electronic installation 1 shuts down immediately, follows electricity again and restarts.
When electronic installation 1 is started shooting again, ROM-BIOS has been controlled the initial program of start, and detect first this moment universal input signal by wherein included signal detecting module 225 and whether still have high potential state, if the input signal of this moment is low-potential state, expression does not continue via the make one's options order of operating system of restart key 20, ROM-BIOS is then notified main startup record directly to load a default operating system and is got final product, for example the Windows operating system.
If but after restarting, the input signal that signal detecting module 225 detects still is noble potential, represent that then restart key 20 still continues to send out signal via the triggering of this reopening machine order, assign the indication of selecting other operating system.This moment, ROM-BIOS can be suspended ensuing boot program, transferring to signal detecting module 225 begins to calculate: from electronic installation 1 restarts, this reopens the time that the machine signal continues same state, lasting number of seconds at this routine middle finger high potential state, stop until trigger the reopening machine order of restart key 20, potential state is changed into till the low-potential state.After calculating resulting T.T. length, content that then can be shown in Figure 2 such as above-mentioned contrast is converted to a record value.After signal detecting module 225 was compared out the corresponding record value of time interval, again this record value being write a place in the Cmos random access memory did not affect the zone that ROM-BIOS reads the start data and stores.
After signal detecting module 225 writes storage with record value, ROM-BIOS just continues the previous boot program that suspends, the main record that starts of notice goes to the Cmos random access memory to read this record value, compares with the data in the comparing unit 265.Shown in the comparison data in the comparing unit 265 as shown in Figure 4, for example, after main startup record reads record value " 02 ", its operating system index is to be restoration after a failure (Failover) pattern operating system through comparing namely as can be known, the main record that starts loads the operating system of a restoration after a failure pattern namely according to this index.
By above-mentioned implementation method as can be known, the technological means that present embodiment provides, can be according to the length of reopening machine command triggers 20 times of restart key, the output of control reopening machine signal, finish in the lump the operations such as operating system behind shutdown, reopening machine, the selected reopening machine, for there not being keyboard can supply input, or the electronic equipment that display screen can Gong be browsed has proposed an effective with multiple start scheme, even for the user of general computer equipment, the technology of present embodiment also provides the user a kind of more easy, timesaving operating system selection mode more.
In the above embodiment of the present invention the operating system of available loading, be not limited to above-mentioned illustrative kind, certainly also for example can comprise secure mode operations system shown in Figure 4, Linux operating system, or even the various special operation system that designs for the user demand that cooperates electronic installation 1, for example maintenance or set the required operating system of electronic installation 1.In addition, whether in order the user can be known clearly arrive the user to want the time interval of the operating system selected, basic boot system 22 also can when entering different time intervals, be pointed out the user in the mode of indicator lamp signal or prompt tone.
The embodiment of the multi-boot method of assignment system when Fig. 5 is a start provided by the present invention, disclosed a kind of method carried out therewith of multi-boot, it comprises following execution in step: at first, execution in step S501, reopen the triggering of machine order via one and produce a reopening machine signal by a restart key 20, a universal input signal for example, and export this signal and after controlling an electronic installation 1 shutdown, restart immediately again; Secondly, execution in step S503, after restarting, the signal state of one signal detecting module, 225 detecting reopening machine signals is provided, judge whether this moment this signal state is identical with the state of the front reopening machine signal of electronic installation 1 shutdown, that is, this signal state noble potential or low-potential state of signal of starting shooting of attaching most importance to.If signal state that should reopening machine signal before shutdown during from the machine of reopening state different, for example: reopen the machine signal and be to be high potential state before the shutdown, and be low-potential state when reopening machine, then execution in step S505 notifies a power-on management module 26 directly to load a default operating system by a basic boot system 22; And if signal state is identical, illustrate that triggering this reopening machine order that restart key 20 sends reopening machine signal not yet stops, therefore reopen the machine signal and after lasting till the reopening machine before the shutdown, still be continuously high potential state, at this moment, execution in step S507, rise when beginning to calculate the deadweight start by signal detecting module 225, keep the length (for example 5 seconds) of high potential state time; Then, execution in step S509 is converted to a record value with the time span that calculates, and should specific record value writing system mnemon 24 store again.Wherein, calculate in the process of high potential state duration at signal detecting module 225, basic boot system 22 can suspend other boot program, until record value writing system mnemon 24.
Next, execution in step S511 goes to systematic memory unit 24 to read the record value that is stored in wherein by basic boot system 22 notice power-on management modules 26, and judges corresponding which operating system of this record value that reads by power-on management module 26; Last execution in step S513, by power-on management module 26 with this this electronic installation 1 of operations specific system loads that corresponds to.
Above-mentioned switching time length be among the step S509 of record value, the record value of signal detecting module 225 by recording in the contrast unit 2250, and the corresponding nonoverlapping time interval of each record value, which section time interval is the time span that contrast is calculated fall in, with the record value that determines to convert.
And in the step S511 of the stored record value of power-on management module 26 reading system mnemons 24, also judge for power-on management module 26 which specific operating system index this record value corresponds to, and power-on management module 26 is again according to this operating system index load operations system by a comparing unit 265.
Via the explanation of the various embodiments described above, the present invention is when triggering electronic installation and restart by restart key as can be known, finishes in the lump the wherein work of an operating system in the multi-jobbing system of specifying.Because restart key can make first electronic installation shut down immediately after triggering and again start shooting, a correct time length Fixed Initial Point is provided, the characteristics of the information that recycling electronic installation when start can the stored user of read-write system mnemon be set, determine the operating system of user's appointment with time span, and with systematic memory unit record user's selection, allow system of the present invention or method all can successfully according to user's selection, load suitable operating system.The accessible effect of technology of the present invention except increasing the operational convenience of multi-boot, for because there is not the electronic installation of keyboard or display screen can't realize the difficult problem of multi-boot, also provides an and effective solution the most direct.
Yet; above-mentioned listed embodiment only is applicable part embodiment of the present invention; explain or be not to limit the scope that the present invention is suitable for for example; if other spirit according to the invention is arranged or the present invention is not done material change's technological means, all belong to the scope of protection that the present invention is contained.
Claims (14)
1. multi-boot system is used for selecting one in a plurality of operating systems that an electronic installation comprises to start shooting, and it is characterized in that this multi-boot system comprises:
(1) one restart key produces and exports one according to a reopening machine order that triggers this restart key and reopens the machine signal, controls this electronic installation shutdown and restarts immediately;
(2) one basic boot systems, for every initial job of starting shooting, to finish start, this basic boot system also comprises: a signal detecting module, signal state when before this restart key is triggered to shutdown, reaching the reopening machine for this reopening machine signal of detecting, and calculate the time of playing sustainable existence when this signal state deadweight is started shooting, and a time length transition that will calculate is a record value;
(3) one systematic memory unit receive and store this record value that this signal detecting module writes; And
(4) one power-on management modules read this stored record value of this systematic memory unit, according to the corresponding operating system index of this record value, load this indicated operating system of this operating system index.
2. multi-boot system according to claim 1 is characterized in that, also comprises in this signal detecting module:
One contrast unit, comprise this record value more than, and a described above record value is distinguished corresponding time interval, this signal detecting module falls into of a described above time interval according to this time span, this time span is converted to this record value corresponding to described time interval that falls into this time span in this contrast unit.
3. multi-boot system according to claim 1 is characterized in that, also comprises in this power-on management module:
One comparing unit, comprise more than one this record value, and described this operating system index corresponding to above record value difference, this record value that this power-on management module will be read by this systematic memory unit, correspond to this corresponding with described this record value that is read by this systematic memory unit in this comparing unit operating system index, and load this indicated operating system of this operating system index that corresponds to.
4. multi-boot system according to claim 1, it is characterized in that, when this reopening machine signal was identical with reopening this signal state during machine before this restart key is triggered to shutdown, this signal detecting module calculated the time of this signal state sustainable existence, until this signal state change.
5. multi-boot system according to claim 1, it is characterized in that, this signal detecting module detect this reopening machine signal before this restart key is triggered to shutdown this signal state when reopening machine not simultaneously, this basic boot system notifies this power-on management module to load an operating system of presetting.
6. multi-boot system according to claim 2 is characterized in that, each time interval non-overlapping copies.
7. multi-boot system according to claim 1 is characterized in that, this systematic memory unit is Cmos, and this basic boot system is ROM-BIOS, and this power-on management module is the main record that starts.
8. a multi-boot method is characterized in that for loading that for one in a plurality of operating systems of selecting an electronic installation this multi-boot method comprises the following steps:
Control a restart key and be triggered and produce and export one and reopen the machine signal, this electronic installation is shut down immediately restart again;
Detect this restart key be triggered to before the shutdown with restart after, whether this signal state of reopening the machine signal identical;
Different such as this signal state, then load a default operating system;
Identical such as this signal state, rise when beginning to calculate this reopening machine signal deadweight start, continue the time span of this signal state;
This time span is converted to a record value also to be stored; And
Read this record value, and according to the corresponding operating system index of this record value, load this indicated operating system of this operating system index.
9. multi-boot method according to claim 8 is characterized in that, in the step of the length of starting the clock, also comprises the following steps: to suspend the program of carrying out other in-cycle work.
10. multi-boot method according to claim 8 is characterized in that, this time span is converted in the step of a record value, also comprises the following steps:
The time that the time span that contrast calculates falls into is interval, and this time span is converted to corresponding this record value of this time interval.
11. multi-boot method according to claim 10 is characterized in that, each this record value is corresponding to nonoverlapping this time interval.
12. multi-boot method according to claim 8 is characterized in that, detects this signal state whether before the identical step, also comprise the following steps: to wait for a set time through after, begin again to detect this signal state.
13. multi-boot method according to claim 12 is characterized in that, if this signal state is identical, then begins to calculate this reopening machine signal after this set time warp, continues the time span of this signal state.
14. multi-boot method according to claim 8, it is characterized in that this operating system is: operating system, a secure mode operations system, a restoration after a failure pattern operating system or a special pattern operating system designed according to job requirements of presetting.
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