CN101533355A - Method for starting multioperation system and device thereof - Google Patents
Method for starting multioperation system and device thereof Download PDFInfo
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- CN101533355A CN101533355A CN200910082386A CN200910082386A CN101533355A CN 101533355 A CN101533355 A CN 101533355A CN 200910082386 A CN200910082386 A CN 200910082386A CN 200910082386 A CN200910082386 A CN 200910082386A CN 101533355 A CN101533355 A CN 101533355A
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Abstract
The invention discloses a method for starting a multioperation system and a device thereof. The method comprises: configuring a separate starting loading program for each operation system in the multioperation system, and the correspondent operation system is respectively started by starting the loading program. The technical proposal of the invention leads the starting of the multioperation system to be more flexible, thus being convenient for use.
Description
Technical field
The present invention relates to the multiple operating system technical field, refer to a kind of method and apparatus that starts multiple operating system especially.
Background technology
Polycaryon processor is made up of a plurality of nuclears, comprising a main nuclear and some from nuclear.Main nuclear is exactly first nuclear that starts after polycaryon processor powers on; From nuclear is exactly after main nuclear starts, and is led the nuclear that nuclear enables.Generally from nuclear hardware when restarting, main nuclear can not restarted by hardware; But when main nuclear hardware was restarted, whole polycaryon processor all can be restarted.Therefore the operating system that runs on main nuclear is called master operating system, runs on from the operating system of nuclear to be called from operating system.
Fig. 1 is the exemplary hardware configuration diagram of polycaryon processor of the prior art system.In Fig. 1, polycaryon processor has two nuclears, is respectively nuclear 0 and nuclear 1, and its center 0 is main nuclear, and nuclear 1 is from nuclear; External resources such as internal memory, flash memory (Flash) and hard disk are shared by two nuclears; The volume ratio that starts flash memory (Boot Flash) is less, the boot loader of general deposit operation system (Boot loader), and the instruction of the article one after polycaryon processor powers on must be mapped on the Boot Flash, be that Boot loader is first program of carrying out after polycaryon processor powers on, be similar to the Basic Input or Output System (BIOS) (BIOS) of PC.
In polycaryon processor system shown in Figure 1, move multiple operating system, each nuclear moves an independently operating system, promptly examine 0 operation system 0, examine 1 operation system 1, and for fear of the generation conflict when visiting external resource of two operating systems, need think to external resource and carry out some planning, for example, a kind of planning mode is as follows:
For flash memory Flash, the startup file of deposit operation system 0, restriction can only operating system 0 be visited; There is the startup file of operating system 1 in corresponding hard disk, and restriction can only operating system 1 visit; It is more special to start flash memory Boot Flash, and article one instruction when two nuclears start is identical, all is arranged in Boot Flash, and two operating systems all need visit; For internal memory, logically be divided into three parts: the shared drive part that part that the part that operating system 0 can only be visited, operating system 1 can only be visited and operating system 0 and 1 can both be visited.Need to prove that this just to a kind of planning mode of external resource, can carry out different planning according to actual needs.
For the startup flow process of multinuclear multiple operating system is described, at first introduce the startup flow process of monokaryon single operating system here
Fig. 2 is the startup schematic flow sheet of monokaryon single operating system of the prior art.The startup flow process of the single operating system that moves in single core processor as shown in Figure 2, comprises following four steps:
201, after single core processor powers on, jump among the startup flash memory Boot Flash, begin to carry out Bootloader article one code command;
202, according to the code command of Boot loader Boot loader self is moved high memory, and jump to execution Boot loader in the internal memory; Here high memory is meant the storage space with high address in the internal memory, and correspondingly the low memory is meant the storage space with low order address in the internal memory.
203, according to the code command of Boot loader the startup file among the flash memory Flash is moved in the low memory;
204, jump to the entry address of operating system according to the code command of Boot loader, i.e. the entry address of the startup file of operating system, the startup file of executive operating system, thus make os starting.
The startup of multinuclear multiple operating system also needs to finish above-mentioned four basic steps, but cooperating between should be noted that nuclear and examining avoids visiting the conflict of external resource.In present multinuclear multiple operating system, adopt single Boot loader mode, promptly a Boot loader starts a plurality of operating systems, generally all be operation Boot loader on main nuclear, Boot loader loads in internal memory from the os starting file of nuclear, notify from the operating system of nuclear startup oneself operating system of main at last nuclear startup oneself then by inter-core message or shared drive.
Fig. 3 is the schematic flow sheet that the multiple operating system among Fig. 1 starts.Nuclear 0 is main nuclear, and operation system 0 uses internal memory 0; Nuclear 1 is from nuclear, and operation system 1 uses internal memory 1, then as shown in Figure 3:
Nuclear 0 is carried out the following steps of being represented by solid arrow:
301A carries out the code that starts the Boot loader in the flash memory, carries out initialization, enables to examine 1;
302A, jumps to and carries out Boot loader in the internal memory Boot loader self moves internal memory 0 from start flash memory high-end address according to the code command of Boot loader;
303A is loaded in the internal memory 1 according to the code command of the Boot loader in the internal memory startup file 1 with operating system 1, starts by inter-core message notice nuclear 1;
304A is loaded in the internal memory 0 according to the code command of the Boot loader in the internal memory startup file 0 with operating system 0;
305A jumps to the entry address of the startup file 0 of operating system 0 according to the code command of Boot loader, operation startup file 0, thus make operating system 0 start.
Nuclear 1 is carried out the following steps of being represented by dotted arrow:
301B after nuclear 1 is enabled, carries out the code of Boot loader, finishes necessary initialization, enters sleep state;
302B, receive the inter-core message notice that nuclear 0 sends after, from this notice, parse the entry address of the startup file 1 of operating system 1, jump to the entry address of startup file 1, operation startup file 1, thus make operating system 1 startup.
From above-mentioned flow process as can be seen, only carry out a spot of Boot loader code command, finish necessary initialization, finish by nuclear 0 from the loading of the startup file 1 of nuclear operating system 1 from nuclear.
But there is following defective in existing single Boot loader scheme:
1, operation is dumb, can only start earlier from the operating system of nuclear, restarts the operating system of main nuclear
Because Boot loader operation on main nuclear, if the os starting of main nuclear, the Boor loader in the internal memory will be capped, so must start from the operating system of nuclear earlier, restarts the operating system of main nuclear.
2, from nuclear operating system can not restart separately, can only lead nuclear and from nuclear operating system restart simultaneously
Because Boot loader operation on master's nuclear, main nuclear does not restart, and can't restart from the operating system of examining yet.
In sum, the method underaction of existing startup multiple operating system uses inconvenient.
Summary of the invention
The invention provides a kind of method that starts multiple operating system, this method makes the startup of multiple operating system become flexibly, the convenient use.
The present invention also provides a kind of device that starts multiple operating system, and this device makes the startup of multiple operating system become flexibly, the convenient use.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
The invention discloses a kind of method that starts multiple operating system, this method is applied to operate in the multiple operating system on the polycaryon processor, and wherein, the operating system of main nuclear operation is master operating system, and the operating system of moving from nuclear is from operating system, and this method comprises:
Be boot loader and preservation that each operating system in the described multiple operating system all disposes a correspondence, wherein, each boot loader is shared public initial orders;
The described public initial orders of main nuclear operation find boot loader corresponding to master operating system according to the numbering of the master operating system of self-operating; The boot loader of main nuclear operation master operating system enables from nuclear and starts master operating system according to the code command of the boot loader of master operating system;
After being enabled from nuclear, move described public initial orders, find corresponding to this boot loader from operating system according to the numbering from operating system of self-operating; From this boot loader from operating system of nuclear operation, starting according to this code command from the boot loader of operating system should be from operating system.
The invention also discloses a kind of device that starts multiple operating system, this device comprises the main nuclear in the polycaryon processor and from examining and memory module, wherein, main nuclear operation master operating system moves from operating system from examining,
Described memory module is used to preserve the public initial orders of sharing corresponding to different boot loader and each boot loader of different operating system;
Described main nuclear, be used for moving the public initial orders of described memory module, from memory module, find boot loader according to the numbering of the master operating system of self-operating corresponding to master operating system, the boot loader of operation master operating system enables from nuclear and starts master operating system according to the code command of the boot loader of master operating system;
Described from nuclear, be used for after being enabled, move the public initial orders in the described memory module, the numbering from operating system according to self-operating finds from memory module corresponding to this boot loader from operating system, move this boot loader from operating system, starting according to this code command from the boot loader of operating system should be from operating system.
As seen from the above technical solution, the present invention is this all to dispose an independent boot loader for each operating system in the multiple operating system, each boot loader starts the technical scheme of relative operation system separately respectively, make the operating system that the winner examines and needn't be subjected to the restriction of boot sequence from the operating system of nuclear again, and can restart independently from the operating system of nuclear, needn't be subject to main nuclear again, thereby make the startup of multiple operating system become flexibly, the convenient use.
Description of drawings
Fig. 1 is the exemplary hardware configuration diagram of polycaryon processor of the prior art system;
Fig. 2 is the startup schematic flow sheet of monokaryon single operating system of the prior art;
Fig. 3 is the schematic flow sheet that the multiple operating system among Fig. 1 starts;
Fig. 4 is a kind of process flow diagram that starts the method for multiple operating system of the embodiment of the invention;
Fig. 5 is the schematic flow sheet of the startup dual operating systems in the embodiment of the invention;
Fig. 6 is a kind of composition structured flowchart that starts the device of multiple operating system of the embodiment of the invention.
Embodiment
Core concept of the present invention is: all corresponding boot loader Boot loader of each operating system in the multiple operating system, and each Boot loader and relative operation system are shared hardware resource; Article one instruction address that carry out the back because each nuclear powers on is identical, therefore each Boot loader need share a small amount of common code, determine the numbering of the operating system that will start when each nuclear after, enter in the corresponding Bootloader code and carry out to start corresponding operating system.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Fig. 4 is a kind of process flow diagram that starts the method for multiple operating system of the embodiment of the invention, this method is applied to operate in the multiple operating system on the polycaryon processor, wherein, the operating system of main nuclear operation is master operating system, from the operating system of nuclear operation is from operating system, as shown in Figure 4, this method may further comprise the steps:
Step 401 is boot loader and preservation that each operating system in the multiple operating system all disposes a correspondence, and wherein, each boot loader is shared public initial orders.
In this step, the shared public initial orders of each boot loader are that article one instruction address that carry out the back because each nuclear in the polycaryon processor powers on is identical, and first address of public initial orders is each and examines article one instruction address that carry out the back that powers on here.
Step 402, the described public initial orders of main nuclear operation find boot loader corresponding to master operating system according to the numbering of the master operating system of self-operating; The boot loader of main nuclear operation master operating system enables from nuclear and starts master operating system according to the code command of the boot loader of master operating system.
Step 403 after being enabled from nuclear, is moved described public initial orders, finds corresponding to this boot loader from operating system according to the numbering from operating system of self-operating; From this boot loader from operating system of nuclear operation, starting according to this code command from the boot loader of operating system should be from operating system.
Be example with the dual operating systems that moves on the dual core processor below, scheme shown in Figure 4 is further described.
In the present embodiment, the main nuclear on the dual core processor is the nuclear 0 of operation system 0, is the nuclear 1 of operation system 1 from nuclear; The internal memory of operating system 0 is called internal memory 0, and the internal memory of operating system 1 is called internal memory 1; The startup file of operating system 0 is called startup file 0, and the startup file of operating system 1 is called startup file 1; Startup file 0 and startup file 1 can be kept in the suitable storage medium according to actual needs, as flash memory or hard disk etc., do not do qualification here, as long as the storage start address of the startup file that record is corresponding in each corresponding start-up loading file.Then as shown in Figure 5 according to the startup flow process of the dual operating systems that moves on this dual core processor of scheme shown in Figure 4.
Fig. 5 is the schematic flow sheet of the startup dual operating systems in the embodiment of the invention.As shown in Figure 5:
Nuclear 0 is carried out the following steps of being represented by solid arrow:
Steps A 1, after dual core processor powers on, article one instruction address that nuclear 0 is carried out is first address of public initial orders, therefore examine the public initial orders in the 0 operation startup flash memory, the numbering 0 of operating system 0 of operation according to self finds the boot loader 0 of operating system 0 from start flash memory, and jumps to this boot loader 0 of operation in the boot loader 0;
Steps A 2, nuclear 0 code command according to boot loader 0 carries out initialization, enable to examine 1, and this boot loader 0 self is moved high-end address to internal memory 0, and jump to this boot loader 0 of operation in the internal memory according to the code command of boot loader 0;
Steps A 3, nuclear 0 is loaded in the internal memory 0 according to the code command of the boot loader in the internal memory 00 startup file 0 with operating system 0;
Steps A 4, nuclear 0 jumps to the entry address of the startup file 0 in the internal memory 0, moves this startup file 0, thereby makes operating system 0 start.
Nuclear 1 is carried out the following steps of being represented by dotted arrow:
Step B1, after nuclear 1 is enabled, article one code command address of carrying out is first address of public initial orders, therefore examine 1 and after being enabled, move the public initial orders that start in the flash memory, the numbering 1 of operating system 1 of operation according to self finds the boot loader 1 of operating system 1 from start flash memory, and jumps to this boot loader 1 of operation in the boot loader 1;
Step B2, nuclear 1 code command according to boot loader 1 carries out initialization, and according to the code command of boot loader 1 this boot loader 1 self is moved high-end address to internal memory 1, and jumps to this boot loader 1 of operation in the internal memory;
Steps A 3, nuclear 1 is loaded in the internal memory 1 according to the code command of the boot loader in the internal memory 11 startup file 1 with operating system 1;
Steps A 4, nuclear 1 jumps to the entry address of the startup file 1 in the internal memory 1, moves this startup file 1, thereby makes operating system 1 start.
Afterwards, when operating system 1 need be restarted, still carry out getting final product to step B4, be no longer dependent on enabling of operating system 0, also can not influence the execution of operating system 0 according to above-mentioned steps B1.
As seen, in the such scheme of the embodiment of the invention, the startup of multiple operating system is more flexible, as long as be enabled from nuclear, then needn't be subjected to the restriction of boot sequence again, can restart separately from the operating system of examining, and no longer is subject to main nuclear.Loose couplings relation between this operating system is for system start-up, debugging and maintenance provide great convenience.
Fig. 6 is a kind of composition structured flowchart that starts the device of multiple operating system of the embodiment of the invention.As shown in Figure 6, this device comprise in the polycaryon processor main nuclear 601 with from examining 602 and memory module 603, wherein, main nuclear 601 operation master operating systems are from examining 602 operations from operating system.
In Fig. 6, memory module 603 is used to preserve the public initial orders of sharing corresponding to different boot loader and each boot loader of different operating system;
Main nuclear 601, be used for moving the public initial orders of described memory module 603, from memory module 603, find boot loader according to the numbering of the master operating system of self-operating corresponding to master operating system, the boot loader of operation master operating system enables from nuclear and starts master operating system according to the code command of the boot loader of master operating system;
From examining 602, be used for after being enabled, move the public initial orders in the described memory module 603, the numbering from operating system according to self-operating finds from memory module 603 corresponding to this boot loader from operating system, move this boot loader from operating system, starting according to this code command from the boot loader of operating system should be from operating system.
In Fig. 6, main nuclear 601, be used for carrying out initialization, and according to the code command of the boot loader of master operating system the boot loader of master operating system moved to the internal memory of master operating system and to be carried out according to the code command of the boot loader of master operating system; Be used for being loaded in the internal memory of master operating system according to the code command of the boot loader of the internal memory of master operating system startup file with master operating system, and the startup master operating system is continued to carry out in the entry address that jumps to the startup file of this master operating system.
In Fig. 6, from examining 602, be used for carrying out initialization, and will move to from the internal memory of operating system, carrying out from the boot loader of operating system according to code command from the boot loader of operating system according to code command from the boot loader of operating system; Be used for to be loaded into from the startup file of operating system from the internal memory of operating system according to code command from the boot loader of the internal memory of operating system, and jump to from the entry address continuation execution of the startup file of operating system, start from operating system.
In sum, the present invention is this all to dispose an independent boot loader for each operating system in the multiple operating system, each boot loader starts the technical scheme of relative operation system separately respectively, make the operating system that the winner examines and needn't be subjected to the restriction of boot sequence from the operating system of nuclear again, and can restart independently from the operating system of nuclear, needn't be subject to main nuclear again, thereby make the startup of multiple operating system become flexibly, the convenient use.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1, a kind of method that starts multiple operating system, this method is applied to operate in the multiple operating system on the polycaryon processor, wherein, the operating system of main nuclear operation is master operating system, from the operating system of nuclear operation is from operating system, it is characterized in that this method comprises:
Be boot loader and preservation that each operating system in the described multiple operating system all disposes a correspondence, wherein, each boot loader is shared public initial orders;
The described public initial orders of main nuclear operation find boot loader corresponding to master operating system according to the numbering of the master operating system of self-operating; The boot loader of main nuclear operation master operating system enables from nuclear and starts master operating system according to the code command of the boot loader of master operating system;
After being enabled from nuclear, move described public initial orders, find corresponding to this boot loader from operating system according to the numbering from operating system of self-operating; From this boot loader from operating system of nuclear operation, starting according to this code command from the boot loader of operating system should be from operating system.
2, the method for claim 1 is characterized in that, the boot loader of described main nuclear operation master operating system starts master operating system according to the code command of the boot loader of master operating system and comprises:
Main nuclear carries out initialization according to the code command of the boot loader of master operating system, and according to the code command of the boot loader of master operating system the boot loader of master operating system is moved to the internal memory of master operating system and to be carried out;
Main nuclear is loaded in the internal memory of master operating system according to the code command of the boot loader in the internal memory of the master operating system startup file with master operating system, and the startup master operating system is continued to carry out in the entry address that jumps to the startup file of this master operating system.
3, the method for claim 1 is characterized in that, described boot loader from the nuclear operation from operating system starts and should comprise from operating system according to this code command from the boot loader of operating system:
Code command from the nuclear foundation from the boot loader of operating system carries out initialization, and foundation will be moved to carrying out from the internal memory of operating system from the boot loader of operating system from the code command of the boot loader of operating system;
To be loaded into from the startup file of operating system from the internal memory of operating system from the code command of nuclear according to the boot loader from the internal memory of operating system, and jump to from the entry address continuation execution of the startup file of operating system, start from operating system.
4, a kind of device that starts multiple operating system, this device comprise the main nuclear in the polycaryon processor and from nuclear and memory module, wherein, main nuclear operation master operating system from examining operation from operating system, is characterized in that,
Described memory module is used to preserve the public initial orders of sharing corresponding to different boot loader and each boot loader of different operating system;
Described main nuclear, be used for moving the public initial orders of described memory module, from memory module, find boot loader according to the numbering of the master operating system of self-operating corresponding to master operating system, the boot loader of operation master operating system enables from nuclear and starts master operating system according to the code command of the boot loader of master operating system;
Described from nuclear, be used for after being enabled, move the public initial orders in the described memory module, the numbering from operating system according to self-operating finds from memory module corresponding to this boot loader from operating system, move this boot loader from operating system, starting according to this code command from the boot loader of operating system should be from operating system.
5, device as claimed in claim 4 is characterized in that,
Described main nuclear is used for carrying out initialization according to the code command of the boot loader of master operating system, and according to the code command of the boot loader of master operating system the boot loader of master operating system is moved to the internal memory of master operating system and to be carried out; Be used for being loaded in the internal memory of master operating system according to the code command of the boot loader of the internal memory of master operating system startup file with master operating system, and the startup master operating system is continued to carry out in the entry address that jumps to the startup file of this master operating system.
6, method as claimed in claim 4 is characterized in that,
Described from nuclear, be used for carrying out initialization, and will move to from the internal memory of operating system, carrying out from the boot loader of operating system according to code command from the boot loader of operating system according to code command from the boot loader of operating system; Be used for to be loaded into from the startup file of operating system from the internal memory of operating system according to code command from the boot loader of the internal memory of operating system, and jump to from the entry address continuation execution of the startup file of operating system, start from operating system.
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| CN102053869A (en) * | 2009-10-29 | 2011-05-11 | 杭州华三通信技术有限公司 | Resource allocation method and device for multi-operation system |
| CN102929719A (en) * | 2012-09-18 | 2013-02-13 | 中标软件有限公司 | Control method for multiple operating systems of multi-core computer and multi-core computer |
| CN103294498A (en) * | 2012-03-05 | 2013-09-11 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104156234A (en) * | 2014-07-22 | 2014-11-19 | 华为技术有限公司 | Multi-core processor starting and bootloader big-little endian mode adapting method device |
| CN104899089A (en) * | 2015-05-25 | 2015-09-09 | 常州北大众志网络计算机有限公司 | Task scheduling method in heterogeneous multi-core architecture |
| CN106155730A (en) * | 2015-04-21 | 2016-11-23 | 北京信威通信技术股份有限公司 | Operating system loading method and device |
| CN107357400A (en) * | 2016-05-10 | 2017-11-17 | 佛山市顺德区顺达电脑厂有限公司 | Method of the Auto Power On to the hard disk for being provided with assigned operation system type |
| CN107544815A (en) * | 2016-06-28 | 2018-01-05 | 中兴通讯股份有限公司 | A kind of startup method and device of multicomputer system |
| CN108108199A (en) * | 2017-12-21 | 2018-06-01 | 北京东土科技股份有限公司 | Multiple operating system starts method and device on a kind of multi-core CPU |
| CN109597650A (en) * | 2017-09-30 | 2019-04-09 | 中兴通讯股份有限公司 | A kind of method, apparatus, equipment and the storage medium of multiple operating system starting |
| CN109634672A (en) * | 2018-12-04 | 2019-04-16 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of multi-core processor loading method based on intercore communication |
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| CN102053869B (en) * | 2009-10-29 | 2013-11-06 | 杭州华三通信技术有限公司 | Resource allocation method and device for multi-operation system |
| CN102053869A (en) * | 2009-10-29 | 2011-05-11 | 杭州华三通信技术有限公司 | Resource allocation method and device for multi-operation system |
| CN103294498A (en) * | 2012-03-05 | 2013-09-11 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN102929719A (en) * | 2012-09-18 | 2013-02-13 | 中标软件有限公司 | Control method for multiple operating systems of multi-core computer and multi-core computer |
| CN102929719B (en) * | 2012-09-18 | 2015-09-02 | 中标软件有限公司 | The control method of multiple operating system and multi-core computer on a kind of multi-core computer |
| CN104156234B (en) * | 2014-07-22 | 2018-07-31 | 华为技术有限公司 | Start the method and device of multi-core processor, the big small end mode adaptives of bootloader |
| CN104156234A (en) * | 2014-07-22 | 2014-11-19 | 华为技术有限公司 | Multi-core processor starting and bootloader big-little endian mode adapting method device |
| CN106155730A (en) * | 2015-04-21 | 2016-11-23 | 北京信威通信技术股份有限公司 | Operating system loading method and device |
| CN104899089A (en) * | 2015-05-25 | 2015-09-09 | 常州北大众志网络计算机有限公司 | Task scheduling method in heterogeneous multi-core architecture |
| CN107357400A (en) * | 2016-05-10 | 2017-11-17 | 佛山市顺德区顺达电脑厂有限公司 | Method of the Auto Power On to the hard disk for being provided with assigned operation system type |
| CN107544815A (en) * | 2016-06-28 | 2018-01-05 | 中兴通讯股份有限公司 | A kind of startup method and device of multicomputer system |
| CN109597650A (en) * | 2017-09-30 | 2019-04-09 | 中兴通讯股份有限公司 | A kind of method, apparatus, equipment and the storage medium of multiple operating system starting |
| CN108108199A (en) * | 2017-12-21 | 2018-06-01 | 北京东土科技股份有限公司 | Multiple operating system starts method and device on a kind of multi-core CPU |
| CN109634672A (en) * | 2018-12-04 | 2019-04-16 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of multi-core processor loading method based on intercore communication |
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