CN103853664A - Method and electronic device for achieving multiple operating systems - Google Patents
Method and electronic device for achieving multiple operating systems Download PDFInfo
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- CN103853664A CN103853664A CN201210497456.4A CN201210497456A CN103853664A CN 103853664 A CN103853664 A CN 103853664A CN 201210497456 A CN201210497456 A CN 201210497456A CN 103853664 A CN103853664 A CN 103853664A
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Abstract
The invention discloses a method and an electronic device for achieving multiple operating systems. The method is applied to the electronic device, the electronic device comprises a hard disk, the hard disk comprises a plurality of partitions, and every partition corresponds to a unique logic snapshot table; a plurality of operating systems are installed in the electronic device and inside different partitions. The method comprises when a basic input/output system is in a POST (power on self test) process, determining a first logic snapshot table corresponding to a current operating system to be loaded from the plurality of logic snapshot tables; when read-write operation is performed on the hard disk in a logic block addressing mode, determining the hard disk position of a partition corresponding to the read-write operation through the first logic snapshot table. After all the operations above are achieved, the hard disk can be exclusively occupied for every operating system, so that consideration on coexistence of multiple operating systems can be avoided, and further engineered tasks can be simplified.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of method and electronic equipment of realizing multiple operating system.
Background technology
The scheme that at present realizes multiple operating system on separate unit PC and deposit installation mostly involves many links: such as the boot manager of supporting multiple operating system, the compatible property of each operating system, and the priority erection sequence of each operating system.Due to the restriction of multiple link, cause generally speaking every PC that an operating system is only installed.
Along with current hard-disk capacity progressively increases, and the environment for use of PC is more and more diversified, individual's computer entertainment environment and some specific online transaction environment, be subject to the office security context of the IT policy control of company, everyone can run into different operating system environments, from cost consideration, engender the demand that multiple operating systems need to be installed on same PC hardware, so second or the 3rd operating system need to be installed on same PC in order to realize some specific demand environments, so multiple operating system has just arisen at the historic moment.So-called multiple operating system is installed two and plural operating system exactly in a computer, can in different operating system, complete identical or different task or application, meets a kind of computer work mode of the various requirement of computer user.Single hard disk is installed multiple operating system, only has a hard disk on the machine due to most of users, and while multisystem being installed on a hard disk, it installs, arranges more more complex than many hard disks multisystem mode.Due to various technical restrictions, multiple operating system and be stored in same the situation on PC be difficult to realize.
In addition, also need to consider that institute is according to the release level of system in the time of installation system, order that need to be from lowest version to highest version is installed, because regardless of being contained in same subregion, always the startup boot partition of system is main partition at the first subregion.Each system can be set up system boot files at C dish, if in order the boot files that causes legacy version is not covered to redaction, the system of the boot files None-identified redaction of legacy version, causes new version system to log in.
Summary of the invention
The invention provides a kind of method and electronic equipment of realizing multiple operating system, in method and apparatus solution prior art provided by the present invention, due to various technical restrictions, multiple operating system is also stored in same the situation on PC and is difficult to the problem realizing.
A kind of method that realizes multiple operating system, the method is applied in an electronic equipment, in this electronic equipment, be provided with hard disk, and described hard disk comprises multiple subregions, the corresponding unique logical snapshots table of each subregion, multiple operating system is set in this electronic equipment, and described multiple operating system installation are at different subregions, and the method comprises:
When Basic Input or Output System (BIOS) is in power-on self-test process, from described multiple logical snapshots tables, determine the first logical snapshots table corresponding with described current operating system to be loaded;
In the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the first logical snapshots table.
From described multiple logical snapshots tables, determine that the first logical snapshots table corresponding with described current operating system to be loaded comprises:
Detect the first operating system mark corresponding to described operating system to be loaded, according to default operating system mark and the corresponding relation of logical snapshots table, determine the first logical snapshots table corresponding to described the first operating system mark.
The sum of described multiple subregions is greater than the sum of described multiple operating systems.
The operating system of installing according to each section post is determined the zoned format of each subregion.
The scheme of more optimizing, the method also comprises:
When receiving the first switching command of switching operating system, obtain the second operating system mark corresponding to object operating system;
According to default operating system mark and the corresponding relation of logical snapshots table, determine the second logical snapshots table corresponding to described the second operating system mark, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the second logical snapshots table.
If the first operating system and the second operating system that are arranged in two subregions are identical operating system, and the zoned format of described two subregions is identical, the method also further comprises:
Detect the shared file whether existing in described the first operating system with the second operation systems share, if so, preserve the corresponding relation of the descriptor of the described shared file logical snapshots table corresponding with the first operating system.
In the time that arbitrary operating system is called shared file, the method further comprises:
Obtain the filename of the shared file that need call, obtain according to described filename the first descriptor that this filename is corresponding;
Determine according to the corresponding relation of the descriptor of the described shared file of the preserving logical snapshots table corresponding with the first operating system the 3rd logical snapshots table that described the first descriptor is corresponding;
By described the 3rd logical snapshots table, obtain described shared file.
Also provide a kind of electronic equipment according to said method the present invention, in described electronic equipment, be provided with hard disk, and described hard disk comprises multiple subregions, the corresponding unique logical snapshots table of each subregion, multiple operating system is set in this electronic equipment, described multiple operating system installation is at different subregions, and this electronic equipment also comprises:
Guidance unit for when Basic Input or Output System (BIOS) is in power-on self-test process, is determined the first logical snapshots table corresponding with described current operating system to be loaded from described multiple logical snapshots tables;
Read-write cell, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determines the hard disk position of the corresponding subregion of described read-write operation by described the first logical snapshots table.
Guidance unit determines that from described multiple logical snapshots tables the first logical snapshots table corresponding with described current operating system to be loaded comprises:
Detect the first operating system mark corresponding to described operating system to be loaded, according to default operating system mark and the corresponding relation of logical snapshots table, determine the first logical snapshots table corresponding to described the first operating system mark.
The scheme of more optimizing, this electronic equipment also comprises:
Switch unit, for when receiving the first switching command of switching operating system, obtains the second operating system mark corresponding to object operating system; According to default operating system mark and the corresponding relation of logical snapshots table, determine the second logical snapshots table corresponding to described the second operating system mark, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the second logical snapshots table.
If the first operating system and the second operating system that are arranged in two subregions are identical operating system, and the zoned format of described two subregions is identical, this electronic equipment also further comprises:
Shared cell, for detection of whether existing in described the first operating system and the shared file of the second operation systems share, if so, preserves the corresponding relation of the descriptor of the described shared file logical snapshots table corresponding with the first operating system.
One or two in technique scheme, at least has following technique effect:
The method and apparatus that the embodiment of the present invention provides, is that it is monopolized for hard disk for each operating system is installed, and need not consider multiple operating system the situation of depositing, and simplifies through engineering approaches task.
Hard drive space isolation between each operating system is realized on firmware by SSD, ensures its high reliability and stability.Installing operating system is also simple, and the independent installation of each operating system need not be considered the impact of other operating systems.
Brief description of the drawings
Fig. 1 is the process flow diagram of a kind of method that realizes multiple operating system of the embodiment of the present invention;
Fig. 2 is the structural representation of a kind of electronic equipment of the embodiment of the present invention.
Embodiment
Along with current hard-disk capacity progressively increases, and the environment for use of PC is more and more diversified, individual's computer entertainment environment and some specific online transaction environment, be subject to the office security context of the IT policy control of company, everyone can run into different operating system environments, from cost consideration, engenders the demand that multiple operating systems need to be installed on same PC hardware, but due to various technical restrictions, multiple operating system is also stored in same the situation on PC and also cannot popularizes.
Provide a kind of method that realizes multiple operating system for above-mentioned for the embodiment of the present invention, the method is applied in an electronic equipment, in this electronic equipment, be provided with hard disk, and described hard disk comprises multiple subregions, the corresponding unique logical snapshots table of each subregion, multiple operating system is set in this electronic equipment, described multiple operating system installation is at different subregions, the method comprises: when Basic Input or Output System (BIOS) is in power-on self-test process, determine the first logical snapshots table corresponding with described current operating system to be loaded from described multiple logical snapshots tables; In the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the first logical snapshots table.
In method provided by the invention, because each independently subregion is a corresponding unique logical comparison table, all to navigate to subregion corresponding to each system according to unique table of comparisons corresponding to each subregion for the every read-write operation of installation, system loads and system of system, so the corresponding operation of variant operating system is all for each independently subregion, realizing after aforesaid operations hard disk for each operating system is that it is monopolized, need not consider multiple operating system the situation of depositing, simplify through engineering approaches task.Hard drive space isolation between each operating system in the upper realization of firmware (firmware), ensures its high reliability and stability by SSD.Installing operating system is also simple, and the independent installation of each operating system need not be considered the impact of other operating systems.The method embodiment of the present invention being provided below in conjunction with Figure of description is done further detailed description.
Shown in Fig. 1, the embodiment of the present invention provides a kind of method that realizes multiple operating system, below in conjunction with Figure of description, the specific embodiment of the present invention is elaborated:
The method is applied in an electronic equipment, in this electronic equipment, is provided with hard disk, and this programme is based on SSD hard disk (solid state hard disc, Solid State Disk, IDE FLASH DISK).Multiple operating system is set in this electronic equipment, do not interfere with each other in order to realize between multisystem, described multiple operating system installation is at different subregions, and according to the different qualities of the system of the quantity of required installation system and required installation, described hard disk comprises multiple subregions; And the sum of included multiple subregions is greater than the sum of described multiple operating systems in hard disk, ensure that each operating system can be installed to one independently in subregion.
Do not interfere with each other in order to realize the operating system of installing in each subregion, when the concrete running of operating system, can independent operation, the corresponding unique logical snapshots table of each subregion in example of the present invention, the system being arranged in each subregion can operate particular zones targetedly by corresponding logical comparison table, can not impact the information in other subregions.The method specifically comprises:
In embodiments of the present invention, be independent of each other in order to realize each operating system, hard disk is divided into multiple subregions basis on, more multiple systems are installed in different subregions, in the time of concrete installation:
Because different operating system has different demands to zoned format, so need to consider zoned format in carrying out subregion, the operating system of installing according to each section post is determined the zoned format of each subregion.In concrete application, can be divided into:
FAT16: can be by system identifications such as DOS, Win3.X/95/97/98/Me/NT/2000/XP, Linux, it adopts the file allocation table of 16, the maximum subregion that can support is 2GB, but FAT16 zoned format has a maximum shortcoming, and that is exactly that the actual utilization ratio of hard disk is low.
FAT32: can be identified by the system such as Win97/98/Me/2000/XP, Linux, without subregion capacity limit, be current most widely used a kind of fdisk form.
NTFS: be the peculiar a kind of file layout of WinNT/2000/XP, its significant advantage is that safety and stability is extremely outstanding, is in use difficult for producing file fragmentation, and the space utilization to hard disk and the travelling speed of software are all beneficial to.It can carry out record to user's operation, and by user right is carried out to very strict restriction, the authority that each user can only be given according to system operates, the safety of the network system that adequately protected and data.
EXT2: be Linux peculiar a kind of representative file layout, have the fastest travelling speed and minimum CPU usage.After (SuSE) Linux OS, the chance of deadlock greatly reduces.
In embodiments of the present invention, after realizing subregion, on SSD hard disk, mark off multiple logical snapshots tables (L2P, LBA to PBA) by realizing sanpshot mechanism on firmware (Firmware);
Snapshot is to point to the invoking marks or the pointer that are kept at the data in memory device, i.e. data situation at a time, and its principle of work core is set up a pointer list exactly, the address of instruction reading out data, the image of a transient data is provided, in the time that data change, then copies.
By the cooperation of BIOS, if selected after specific operating system, in BIOS power-on self-test (post) process, select specific SSD logical snapshots table, the SSD logical snapshots table that then all subsequent manipulations of this operating system all passes through to select is realized.
In embodiments of the present invention, each operating system is arranged in a specific subregion, and according to the partitioned mode providing in the present embodiment, after subregion completes, generic access operation to each subregion is independently carried out, and the hard disk that each operating system is seen is from LBA0, and for each operating system, hard disk is that it is monopolized, need not consider multiple operating system the situation of depositing, simplify through engineering approaches task.Hard drive space isolation between each operating system is realized on firmware by SSD, ensures its high reliability and stability.Installing operating system is also simple, and the independent installation of each operating system need not be considered the impact of other operating systems.
In embodiments of the present invention, for BIOS system can be determined the corresponding subregion of operating system in power-on self-test process, from described multiple logical snapshots tables, determine that the first logical snapshots table corresponding with described current operating system to be loaded comprises:
Detect the first operating system mark corresponding to described operating system to be loaded, according to default operating system mark and the corresponding relation of logical snapshots table, determine the first logical snapshots table corresponding to described the first operating system mark.
Because the electronic equipment of the present invention's application comprises multiple operating system, user can select different operating system in different applied environments, so for user-friendly needs, the method that the embodiment of the present invention provides also a progressive step comprise the switching to operating system, the method also comprises:
When receiving the first switching command of switching operating system, obtain the second operating system mark corresponding to object operating system;
According to default operating system mark and the corresponding relation of logical snapshots table, determine the second logical snapshots table corresponding to described the second operating system mark, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the second logical snapshots table.
In embodiments of the present invention, carry out after blocked operation in operating system, determine according to the installation subregion of object operating system the second logical comparison table that object operating system is corresponding, thereby the subsequent operation of object operating system, carry out based on the second logical snapshots table, the second logical snapshots table is for an independently subregion generation, so be switched to after object operating system, the operation that can reach each operating system moves the object that can not impact other system.
Further, carry out operations although user according to different applied environment demands, need to be switched to different operating system, many times need the resource of each system to share, so the method that the embodiment of the present invention provides also comprises:
If the first operating system and the second operating system that are arranged in two subregions are identical operating system, and the zoned format of described two subregions is identical, can realize resource sharing, specific implementation is:
Detect the shared file whether existing in described the first operating system with the second operation systems share, if so, preserve the corresponding relation of the descriptor of the described shared file logical snapshots table corresponding with the first operating system.
Further, if arbitrary operating system is called shared file, the method further comprises:
Obtain the filename of the shared file that need call, obtain according to described filename the first descriptor that this filename is corresponding;
Determine according to the corresponding relation of the descriptor of the described shared file of the preserving logical snapshots table corresponding with the first operating system the 3rd logical snapshots table that described the first descriptor is corresponding;
By described the 3rd logical snapshots table, obtain described shared file.
By method provided by the present invention, by hard disk being divided into different subregions, and in system, need multiple operating systems of installing to be respectively installed in different subregions, then each operating system is in the time of concrete loading and operation, can carry out corresponding operation by logical snapshots table corresponding to each subregion, while making each operating system, can be to not impacting in other operating system.
Also provide a kind of electronic equipment according to said method the present invention, as shown in Figure 2, in described electronic equipment, be provided with hard disk, and described hard disk comprises multiple subregions, the corresponding unique logical snapshots table of each subregion, multiple operating system is set in this electronic equipment, and described multiple operating system installation are at different subregions, and this electronic equipment also comprises:
Read-write cell 202, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determines the hard disk position of the corresponding subregion of described read-write operation by described the first logical snapshots table.
In embodiments of the present invention, for BIOS system can be determined the corresponding subregion of operating system in power-on self-test process, described guidance unit 201 determines that from described multiple logical snapshots tables the first logical snapshots table corresponding with described current operating system to be loaded comprises:
Detect the first operating system mark corresponding to described operating system to be loaded, according to default operating system mark and the corresponding relation of logical snapshots table, determine the first logical snapshots table corresponding to described the first operating system mark.
Because the electronic equipment of the present invention's application comprises multiple operating system, user can select different operating system in different applied environments, so for user-friendly needs, the method that the embodiment of the present invention provides also a progressive step comprise the switching to operating system, this electronic equipment also comprises:
Further, although user is according to different applied environment demands, need to be switched to different operating system and carry out operations, but many times need the resource of each system to share, if the first operating system and the second operating system that are arranged in two subregions are identical operating system, and the zoned format of described two subregions is identical, this electronic equipment also further comprises:
Above-mentioned one or more technical schemes in the embodiment of the present application, at least have following technique effect:
Method and apparatus provided by the invention, because each independently subregion is a corresponding unique logical comparison table, all to navigate to subregion corresponding to each system according to unique table of comparisons corresponding to each subregion for the every read-write operation of installation, system loads and system of system, so the corresponding operation of variant operating system is all for each independently subregion, realizing after aforesaid operations hard disk for each operating system is that it is monopolized, need not consider multiple operating system the situation of depositing, simplify through engineering approaches task.
Hard drive space isolation between each operating system in the upper realization of firmware (firmware), ensures its high reliability and stability by SSD.Installing operating system is also simple, and the independent installation of each operating system need not be considered the impact of other operating systems.The method embodiment of the present invention being provided below in conjunction with Figure of description is done further detailed description.
Method of the present invention is not limited to the embodiment described in embodiment, and those skilled in the art's technical scheme according to the present invention draws other embodiment, belongs to equally technological innovation scope of the present invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (11)
1. realize the method for multiple operating system for one kind, it is characterized in that, the method is applied in an electronic equipment, in this electronic equipment, be provided with hard disk, and described hard disk comprises multiple subregions, the corresponding unique logical snapshots table of each subregion, arranges multiple operating system in this electronic equipment, described multiple operating system installation is at different subregions, and the method comprises:
When Basic Input or Output System (BIOS) is in power-on self-test process, from described multiple logical snapshots tables, determine the first logical snapshots table corresponding with described current operating system to be loaded;
In the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the first logical snapshots table.
2. the method for claim 1, is characterized in that, determines that the first logical snapshots table corresponding with described current operating system to be loaded comprises from described multiple logical snapshots tables:
Detect the first operating system mark corresponding to described operating system to be loaded, according to default operating system mark and the corresponding relation of logical snapshots table, determine the first logical snapshots table corresponding to described the first operating system mark.
3. the method for claim 1, is characterized in that, the sum of described multiple subregions is greater than the sum of described multiple operating systems.
4. the method as described in claim as arbitrary in claim 1-3, is characterized in that, the operating system of installing according to each section post is determined the zoned format of each subregion.
5. the method as described in claim as arbitrary in claim 1-3, is characterized in that, the method also comprises:
When receiving the first switching command of switching operating system, obtain the second operating system mark corresponding to object operating system;
According to default operating system mark and the corresponding relation of logical snapshots table, determine the second logical snapshots table corresponding to described the second operating system mark, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the second logical snapshots table.
6. the method as described in claim as arbitrary in claim 1-3, it is characterized in that, if the first operating system and the second operating system that are arranged in two subregions are identical operating system, and the zoned format of described two subregions is identical, the method also further comprises:
Detect the shared file whether existing in described the first operating system with the second operation systems share, if so, preserve the corresponding relation of the descriptor of the described shared file logical snapshots table corresponding with the first operating system.
7. method as claimed in claim 6, is characterized in that, in the time that arbitrary operating system is called shared file, the method further comprises:
Obtain the filename of the shared file that need call, obtain according to described filename the first descriptor that this filename is corresponding;
Determine according to the corresponding relation of the descriptor of the described shared file of the preserving logical snapshots table corresponding with the first operating system the 3rd logical snapshots table that described the first descriptor is corresponding;
By described the 3rd logical snapshots table, obtain described shared file.
8. an electronic equipment, it is characterized in that, in described electronic equipment, be provided with hard disk, and described hard disk comprises multiple subregions, the corresponding unique logical snapshots table of each subregion, multiple operating system is set in this electronic equipment, and described multiple operating system installation are at different subregions, and this electronic equipment also comprises:
Guidance unit for when Basic Input or Output System (BIOS) is in power-on self-test process, is determined the first logical snapshots table corresponding with described current operating system to be loaded from described multiple logical snapshots tables;
Read-write cell, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determines the hard disk position of the corresponding subregion of described read-write operation by described the first logical snapshots table.
9. electronic equipment as claimed in claim 8, is characterized in that, guidance unit determines that from described multiple logical snapshots tables the first logical snapshots table corresponding with described current operating system to be loaded comprises:
Detect the first operating system mark corresponding to described operating system to be loaded, according to default operating system mark and the corresponding relation of logical snapshots table, determine the first logical snapshots table corresponding to described the first operating system mark.
10. electronic equipment as claimed in claim 8, is characterized in that, this electronic equipment also comprises:
Switch unit, for when receiving the first switching command of switching operating system, obtains the second operating system mark corresponding to object operating system; According to default operating system mark and the corresponding relation of logical snapshots table, determine the second logical snapshots table corresponding to described the second operating system mark, in the time described hard disk being carried out to read-write operation by LBA (Logical Block Addressing) mode, determine the hard disk position of the corresponding subregion of described read-write operation by described the second logical snapshots table.
Electronic equipment as described in 11. claims as arbitrary in claim 8-10, it is characterized in that, if the first operating system and the second operating system that are arranged in two subregions are identical operating system, and the zoned format of described two subregions is identical, this electronic equipment also further comprises:
Shared cell, for detection of whether existing in described the first operating system and the shared file of the second operation systems share, if so, preserves the corresponding relation of the descriptor of the described shared file logical snapshots table corresponding with the first operating system.
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