CN103870762B - Regional addressing method and electronic equipment - Google Patents
Regional addressing method and electronic equipment Download PDFInfo
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- CN103870762B CN103870762B CN201210552969.0A CN201210552969A CN103870762B CN 103870762 B CN103870762 B CN 103870762B CN 201210552969 A CN201210552969 A CN 201210552969A CN 103870762 B CN103870762 B CN 103870762B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6236—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database between heterogeneous systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
Abstract
The invention discloses the electronic equipment of a kind of regional addressing method and use regional addressing method.Electronic equipment includes memory cell, memory cell includes subregion header unit and multiple data partition units, part in multiple data partition units is divided into the first data partition part, another part is divided into the second data partition part, wherein the first data partition part includes multiple data partition units, and the second data partition part includes multiple data partition units；First operating system data, which are installed to, to be belonged in the data partition unit of the first data partition part, and the second operating system data, which are installed to, to be belonged in the data partition unit of the second data partition part；Regional addressing method includes：Partition protecting position in subregion header unit is set；First operating system only accesses the data partition unit in the first data partition part when partition protecting position is effective；Second operating system only accesses the data partition unit in the second data partition part when partition protecting position is effective.
Description
Technical field
The present invention relates to electronic technology field, more particularly it relates to a kind of regional addressing method and use this point
The electronic equipment of area's access method.
Background technology
Recently, with electronic equipment hardware capability continuous enhancing, based on mixing（Hybrid）The electronic equipment of framework
Catch on.A kind of new Hybrid systems based on a hard double soft frameworks have been proposed, it is hard double soft this one
In Hybrid systems, two operating systems can be run on a set of hardware system（Such asOperating system andOperating system）.
, it is necessary to which two operating systems are arranged on for the electronic equipment using a hard double soft Hybrid systems
In same storage device in electronic equipment, it is therefore desirable to the subregion phase of different operating system will be respectively used in the storage device
Mutually isolation and protection.It is based on using MBR in existing storage device partition（MBR, Master Boot Record）'s
Partition scheme.With Extensible Firmware Interface（EFI）Specification and unified Extensible Firmware Interface（UEFI）The issue of specification, base
In EFI or platform architecture based on UEFI gradually substitute the framework based on legacy BIOS model and be used as be used to designing, build and
The selection framework of operating data processing system.The storage device partition framework used by EFI-GUID subregion form
Formula（GPT, Globally Unique Identifier Partition Table Format）It is increasingly becoming the storage of main flow
Device partition scheme.Compared with MBR partition schemes, GPT has more advantages, because it allows each disk to have up to 128
Individual subregion, supports to be up to the volume size of 18 gigabits Mbytes, it is allowed to be used for primary partition table and backup disk partition table superfluous
It is remaining, also support unique disk and partition id (GUID).
Because the existing partition scheme for MBR has not been suitable for GPT subregions, cause to be based on MBR in the prior art
The regional addressing method of partition scheme be not suitable for the storage device based on GPT subregions, it is suitable it is therefore desirable to provide one kind
In the regional addressing method of GPT partition schemes, it, which can be realized, is installing the depositing based on GPT partition schemes of two operating system
In storage device, as needed by the respective memory device subregion in operating system access storage device, while being effectively isolated and protecting
Protect the storage device partition that the operating system does not have access right now.
The content of the invention
In view of the above, the invention provides the electronics of a kind of regional addressing method and use the regional addressing method
Equipment, to realize in the storage device based on GPT partition schemes for installing two operating system, be by operation as needed
System accesses the respective memory device subregion in storage device, while being effectively isolated and protecting the operating system not have access right now
Storage device partition.
It is described applied in an electronic equipment according to one embodiment of present invention there is provided a kind of regional addressing method
Electronic equipment includes memory cell, and the memory cell includes subregion header unit and multiple data partition units, will be described many
Part in individual data zoning unit is divided into the first data partition part, and another part is divided into the second data partition part,
Wherein described first data partition part includes multiple data partition units, and the second data partition part includes multiple data
Zoning unit；The first operating system data are installed to the data partition unit for belonging to the first data partition part
In, the second operating system data, which are installed to, to be belonged in the data partition unit of the second data partition part；It is described
Regional addressing method includes：Partition protecting position in the subregion header unit is set；First operating system is at described point
When area's guard bit is effective, the data partition unit in the first data partition part is only accessed；Second operating system exists
Partition protecting position effectively when, only access the data partition unit in the second data partition part.
In addition, regional addressing method according to an embodiment of the invention, in addition to：It is invalid in partition protecting position
When, the first data partition part described in first operating system and second operating system access and second data are divided
Data partition unit in area part.
In addition, regional addressing method according to an embodiment of the invention, wherein being set in the memory cell many
Individual subregion gateway unit, the multiple subregion gateway unit is corresponded with the multiple data partition unit, and the subregion is visited
Ask that method also includes：After being effectively in the partition protecting position in setting the subregion header unit, each subregion entrance is set
Zone attribute position in unit；First operating system is effective in partition protecting position, and zone attribute position also has
During effect, the data partition unit in the first data partition part is only accessed；Second operating system is protected in the subregion
Protect position effectively, and the zone attribute position it is also effective when, only access the data partition unit in the second data partition part.
In addition, regional addressing method according to an embodiment of the invention, wherein being set in the memory cell many
Individual subregion gateway unit, the multiple subregion gateway unit is corresponded with the multiple data partition unit, and the subregion is visited
Ask that method also includes：After being effectively in the partition protecting position in setting the subregion header unit, each subregion entrance is set
Zone attribute position in unit；The partition protecting position it is invalid, and the zone attribute position also for it is invalid when, it is described first behaviour
Make the number in the first data partition part and the second data partition part described in system and second operating system access
According to zoning unit.
In addition, regional addressing method according to an embodiment of the invention, first operating system and described second
The step of data partition unit in first data partition part and the second data partition part described in operating system access
Including：Data in second data partition intra-part data zoning unit described in first operating system update；Or it is described
Data in first data partition intra-part data zoning unit described in second operating system update.
In addition, regional addressing method according to an embodiment of the invention, in addition to：It is nothing in partition protecting position
During effect, partition protecting position is reset after effectively, to restart first operating system and the second operating system, so that
Come into force the partition protecting position reset.
According to another embodiment of the present invention there is provided a kind of electronic equipment, the electronic equipment include memory cell and
Processor；The memory cell includes subregion header unit and multiple data partition units, by the multiple data partition list
Part in member is divided into the first data partition part, and another part is divided into the second data partition part, wherein described first
Data partition part includes multiple data partition units, and the second data partition part includes multiple data partition units；Institute
State the first operating system data and be installed to and belong in the data partition unit of the first data partition part, second behaviour
It is installed to and belongs in the data partition unit of the second data partition part as system data；The processor, sets institute
The partition protecting position in subregion header unit is stated, so that first operating system is only visited when partition protecting position is effective
Ask the data partition unit in the first data partition part；Second operating system is effective in partition protecting position
When, only access the data partition unit in the second data partition part.
In addition, electronic equipment according to an embodiment of the invention, the processor, are additionally operable in the partition protecting
When position is invalid so that the first data partition part described in first operating system and second operating system access and described
Data partition unit in second data partition part.
In addition, also entering in electronic equipment according to an embodiment of the invention, the memory cell including multiple subregions
Mouth unit, the multiple subregion gateway unit is corresponded with the multiple data partition unit；The processor, is additionally operable to
The partition protecting position in the subregion header unit is set after effectively, to set the zone attribute in each subregion gateway unit
Position；So that first operating system the partition protecting position effectively, and the zone attribute position it is also effective when, only access institute
State the data partition unit in the first data partition part；Second operating system is effective in partition protecting position, and institute
State zone attribute position it is also effective when, only access the data partition unit in the second data partition part.
In addition, also entering in electronic equipment according to an embodiment of the invention, the memory cell including multiple subregions
Mouth unit, the multiple subregion gateway unit is corresponded with the multiple data partition unit：The processor, is additionally operable to
The partition protecting position in the subregion header unit is set after effectively, to set the zone attribute in each subregion gateway unit
Position；It is invalid in partition protecting position, and zone attribute position also for it is invalid when so that first operating system and described
Data partition unit in first data partition part and the second data partition part described in second operating system access.
Regional addressing method according to embodiments of the present invention and the electronic equipment using the regional addressing method, are realized in peace
In the storage device based on GPT partition schemes for filling two operating system, as needed in operating system access storage device
Respective memory device subregion, while being effectively isolated and protecting the operating system not have the storage device partition of access right now.
It is to be understood that foregoing general description and following detailed description are both exemplary, and it is intended to
In further illustrating for the claimed technology of offer.
Brief description of the drawings
Fig. 1 is the theory structure schematic diagram of diagram electronic equipment according to embodiments of the present invention；
Fig. 2 is the theory structure schematic diagram of diagram memory cell according to embodiments of the present invention；
Fig. 3 is the flow chart of the first embodiment of diagram regional addressing method according to embodiments of the present invention；
Fig. 4 is the flow chart of the second embodiment of diagram regional addressing method according to embodiments of the present invention；And
Fig. 5 is the flow chart of the 3rd embodiment of diagram regional addressing method according to embodiments of the present invention.
Embodiment
Hereinafter, describe with reference to the accompanying drawings multiple embodiments, using and modification.In addition, the embodiments described below is excellent
The particular example of choosing, and technically preferred various limitations are provided with, but in the following description, the invention is not restricted to these
Embodiment.
First, reference picture 1 is described to electronic equipment according to embodiments of the present invention.The electronic equipment is preferably e.g.
Personal computer, smart mobile phone, personal digital assistant, palm PC etc..
Fig. 1 is the theory structure schematic diagram of diagram electronic equipment according to embodiments of the present invention.According to embodiments of the present invention
Electronic equipment 1 can be the electronic equipment based on new one hard double soft mixed architectures, that is to say, that in a set of hardware system
Two operating systems of upper operation, such asOperating system andOperating system.As shown in figure 1, according to
The electronic equipment 1 of the embodiment of the present invention has processor 10 and memory cell 20, is wherein provided with two not in memory cell 20
Same operating system and the system file related to each operating system and other application and data.It is easily understood that
The component being closely related in Fig. 1 in order to simplify description only to show with the present invention, electronic equipment 1 according to embodiments of the present invention is worked as
Other components, display unit, input block, communication unit etc. can also so be included.
Hereinafter, reference picture 2 is further specifically described to the memory cell in electronic equipment 1 according to embodiments of the present invention
20。
Fig. 2 is the theory structure schematic diagram of diagram memory cell according to embodiments of the present invention.As shown in Fig. 2 according to this
The memory cell 20 of inventive embodiments includes subregion header unit 21, subregion gateway unit 22, the and of the first data partition part 23
Second data partition part 24.
Specifically, the subregion gateway unit 22 includes multiple subregion entrances, i.e. entrance1, entrance2... entranceN.It is described
First data partition part 23 includes multiple data partition units（That is, data partition unit1, data partition unit2... data point
Area's unitm）, and the second data partition part 24 includes multiple data partition units（That is, data partition unitm+1, number
According to zoning unitm+2... data partition unitm+k）.Each subregion entrance and the described first number in the subregion gateway unit 22
Corresponded according to each data partition unit in partition sections 23 and the second data partition part 24.That is, full
Sufficient N=m+k.In one embodiment of the invention, the first operating system（Such asOperating system）Data are pacified
It is attached to and belongs in the data partition unit of the first data partition part, the second operating system（Such asOperation
System）Data, which are installed to, to be belonged in the data partition unit of the second data partition part.User can move as needed
State sets the partition size of the first data partition part 23 and the second data partition part 24.That is, N=m+k is being met
On the premise of, m and k can dynamically adjust relative size.
In one embodiment of the invention, memory cell 20 can use GUID subregion sheet format
（GPT）Framework.Main GPT headers under GPT frameworks（Primary GPT Header）It is the example of the subregion header unit 21,
Entrance 1-128 under GPT frameworks is that the subregion 1-128 under the example of the subregion gateway unit 22, GPT frameworks is described first
The overall example in data partition part 23 and the second data partition part 24.It is easily understood that according to present invention implementation
The memory cell 20 of example includes but is not limited to each part mentioned above.For example, memory cell 20 according to embodiments of the present invention can be with
Including the shielded MBR under GPT frameworks（Protective MBR）Unit etc..
In one embodiment of the invention, the subregion header unit 21 be stored with partition protecting position.When the subregion
When guard bit is set to effective（For example, being set to " 1 "）When, first operating system is only accessed in the first data partition part
Data partition unit, and second operating system only accesses the data partition list in the second data partition part
Member.On the contrary, when partition protecting position is set to invalid（For example, being set to " 0 "）When, first operating system and described
Data partition unit in first data partition part 23 and the second data partition part 24 described in two operating system access.
It is easily understood that the first data partition part 23 and institute described in first operating system and second operating system access
State including for the data partition unit in the second data partition part 24：First data described in first operating system update point
Data in area part 23 and the second data partition part 24 in data partition unit；Or second operating system is more
Data in the new first data partition part 23 and the second data partition part 24 in data partition unit.In addition,
" renewal " includes for the reading and writing of corresponding operating system data, modification, deleted herein.
In another embodiment of the present invention, each subregion entrance in the subregion gateway unit 22 be provided with it is described
Each one-to-one zone attribute of data partition unit in first data partition part 23 and the second data partition part 24
Position.The zone attribute position is used for the operating system for specifying addressable corresponding data zoning unit.For example, when the zone attribute
When position is set to effective, corresponding data partition unit is identified only as the data partition part belonging to the data partition unit
（One of described data partition part 24 of first data partition part 23 and second）The operating system of middle installation（First operating system
One of with the second operating system）Access.On the contrary, when zone attribute position is set to invalid, identifying corresponding data
Zoning unit can be by first operating system and second operating system access.Specifically, in booting operating system program
During loading, the bootstrap first checks for the partition protecting position stored in the subregion header unit 21, and according to described point
The validity of area's guard bit sets the zone attribute position in each subregion entrance in the subregion gateway unit 22.Namely
Say, if partition protecting position is effectively, correspondingly set the zone attribute position in each subregion entrance effective and on the contrary
It is as the same.Specifically, the application of the data partition unit of second operating system is corresponded in first operating system access
The application program for initiating to access operation in embodiment, in first operating system divides the setting of call operation system bootstrap routine
Area's guard bit, and when then restarting first operating system booting operating system program according to the partition protecting of setting position
Zone attribute position in each subregion entrance is correspondingly set.Therefore, partition protecting position is realized with zone attribute position associates setting,
It is set to effective or invalid simultaneously by booting operating system program.First operating system is effective in partition protecting position,
And zone attribute position it is also effective when, only access the data partition unit in the first data partition part 23；Described
Two operating systems in partition protecting position effectively, and zone attribute position it is also effective when, only access second data point
Data partition unit in area part 24.On the contrary, it is invalid in partition protecting position, and zone attribute position is also to be invalid
When, the first data partition part 23 and second data described in first operating system and second operating system access
Data partition unit in partition sections 24.
More than, electronic equipment according to embodiments of the present invention and memory cell are described referring to Figures 1 and 2.Hereinafter, it will join
The regional addressing method for electronic equipment and memory cell according to embodiments of the present invention is further described according to Fig. 3 to Fig. 5.
Fig. 3 is the flow chart of the first embodiment of diagram regional addressing method according to embodiments of the present invention.Such as Fig. 3 institutes
Show, regional addressing method according to embodiments of the present invention comprises the following steps.
In step S301, the partition protecting position in the subregion header unit 21 is set.Hereafter, processing enters step
S302。
In step s 302, judge whether the position of the partition protecting in the subregion header unit 21 is set to effective.
If obtaining positive result in step s 302, i.e., the partition protecting position in described subregion header unit 21 has been set to
Effect, then processing is entered in step S303.In step S303, the first operating system is only accessed in the first data partition part 23
Data partition unit, the second operating system only accesses the data partition unit in the second data partition part 24.
If on the contrary, obtained negative decision in step s 302, i.e., the partition protecting in described subregion header unit 21
Position is set to invalid, then processing is entered in step S304.In step s 304, the first operating system and the second operating system access
Data partition unit in one data partition part 23 and the second data partition part 24.
Fig. 4 is the flow chart of the second embodiment of diagram regional addressing method according to embodiments of the present invention.Shown in Fig. 4
The second embodiment of regional addressing method is further contemplated compared with the first embodiment of the regional addressing method shown in Fig. 3
The zone attribute position that each subregion entrance is set is to carry out regional addressing.As shown in figure 4, subregion according to embodiments of the present invention is visited
The method of asking comprises the following steps.
In step S401, the partition protecting position in the subregion header unit 21 is set.Hereafter, processing enters step
S401’。
In step S401 ', according to the partition protecting position set in step S401, set in each subregion gateway unit
Zone attribute position.Had been described above above with reference to Fig. 2, if partition protecting position is effectively, correspondingly set each point
Zone attribute position in area's entrance is effectively.If on the contrary, partition protecting position is invalid, correspondingly setting each subregion to enter
Zone attribute position in mouthful is invalid.Hereafter, processing enters step S402.
Judge whether partition protecting position in step S402 effectively and zone attribute position is effective.It should be noted that at this
In another embodiment of invention, as described previously with reference to described in Fig. 3, partition protecting position is associated with zone attribute position to be set, i.e., subregion is protected
Shield position and zone attribute position are set to effective or invalid simultaneously, then partition protecting position or subregion can be only judged in this step S402
Whether attribute position is effective.
If obtaining positive result in step S402, i.e., the partition protecting position in described subregion header unit 21 is effective,
And the zone attribute position in each subregion entrance in the subregion gateway unit 22 is effectively, then processing enters step S403
In.In step S403, the first operating system only accesses the data partition unit in the first data partition part 23, the second operation
System only accesses the data partition unit in the second data partition part 24.
If on the contrary, obtained negative decision in step S402, i.e., the partition protecting in described subregion header unit 21
Position is invalid, and the zone attribute position in each subregion entrance in the subregion gateway unit 22 is invalid, then processing enters step
In rapid S404.In step s 404, the first operating system and second the first data partition of operating system access part 23 and second
Data partition unit in data partition part 24.
Fig. 5 is the flow chart of the 3rd embodiment of diagram regional addressing method according to embodiments of the present invention.Described 3rd
Embodiment, which specifically describes regional addressing method according to embodiments of the present invention, to be used to update in one in two operating system
The flow of another operating system.Specifically, it is assumed that the first operating system isOperating system, the second operating system
ForOperating system.Completed under operating systemThe renewal of operating system include with
Lower step.
In step S501,Operating system update application program passes throughOperating system should
Use Program Interfaces（API）Call operation system bootstrap routine（UEFI Runtime Services）, to set described point
Partition protecting position in area's header unit 21 is invalid.Hereafter, processing enters step S502.
In step S502, booting operating system program according to set in step S501 partition protecting position, set with
The second operating system to be updated（Operating system）Zone attribute position in corresponding each subregion gateway unit
It is invalid so that partition protecting temporary disablement for system renewal.Hereafter, processing enters step S503.
In step S503, in the first operating system（Operating system）Under, update the second operating system（Operating system）.Specifically,Operating system update application program willOperating system
Boot.img, system.img write corresponding data partition unit in the second data partition part 24.Hereafter, processing enters step
Rapid S504.
In step S504, booting operating system program resets the partition protecting position in the subregion header unit 21
With the zone attribute position in each subregion gateway unit effectively.Hereafter, processing enters step S505.
In step S505, the first operating system is restarted（Operating system）With the second operating system（Operating system）So that partition protecting comes into force.
Regional addressing method according to embodiments of the present invention is described above by reference to Fig. 1 to Fig. 5 and uses the regional addressing
The electronic equipment of method, it can be realized in the storage device based on GPT partition schemes for installing two operating system, according to
Need by the respective memory device subregion in operating system access storage device, at the same be effectively isolated and protect the operating system this
When do not have the storage device partition of access right.
It should be noted that in this manual, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Finally, in addition it is also necessary to explanation, a series of above-mentioned processing are not only included with order described here in temporal sequence
The processing of execution, and the processing including performing parallel or respectively rather than in chronological order.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware.Understood based on such,
What technical scheme contributed to background technology can be embodied in the form of software product in whole or in part,
The computer software product can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are to make
Obtain a computer equipment（Can be personal computer, server, or network equipment etc.）Perform each embodiment of the invention
Or the method described in some parts of embodiment.
The present invention is described in detail above, principle and embodiment party of the specific case used herein to the present invention
Formula is set forth, and the explanation of above example is only intended to the method and its core concept for helping to understand the present invention；Meanwhile, it is right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Part, in summary, this specification content should not be construed as limiting the invention.
Claims (8)
1. a kind of regional addressing method, it is characterised in that applied in an electronic equipment, it is single that the electronic equipment includes storage
Member, the memory cell includes subregion header unit and multiple data partition units, by the multiple data partition unit
Part is divided into the first data partition part, and another part is divided into the second data partition part, wherein first data point
Area part includes multiple data partition units, and the second data partition part includes multiple data partition units；First operation
The data of system, which are installed to, to be belonged in the data partition unit of the first data partition part, the data of the second operating system
It is installed to and belongs in the data partition unit of the second data partition part；The regional addressing method includes：
Partition protecting position in the subregion header unit is set；
First operating system only accesses the data in the first data partition part when partition protecting position is effective
Zoning unit；
Second operating system only accesses the data in the second data partition part when partition protecting position is effective
Zoning unit,
Multiple subregion gateway units, the multiple subregion gateway unit and the multiple number are wherein set in the memory cell
Corresponded according to zoning unit, the regional addressing method also includes：
After being effectively in the partition protecting position in setting the subregion header unit, point in each subregion gateway unit is set
Area attribute position；
First operating system in partition protecting position effectively, and zone attribute position it is also effective when, only access described
Data partition unit in first data partition part；
Second operating system in partition protecting position effectively, and zone attribute position it is also effective when, only access described
Data partition unit in second data partition part.
2. regional addressing method as claimed in claim 1, the regional addressing method also includes：
When partition protecting position is invalid, the first data described in first operating system and second operating system access
Data partition unit in partition sections and the second data partition part.
3. regional addressing method as claimed in claim 2, wherein multiple subregion gateway units are set in the memory cell,
The multiple subregion gateway unit is corresponded with the multiple data partition unit, and the regional addressing method also includes：
It is invalid in partition protecting position, and zone attribute position also for it is invalid when, first operating system and described the
Data partition unit in first data partition part and the second data partition part described in two operating system access.
4. described regional addressing method as claimed in claim 2, first operating system and second operating system access
The step of data partition unit in the first data partition part and the second data partition part, includes：
Data in second data partition intra-part data zoning unit described in first operating system update；Or
Data in first data partition intra-part data zoning unit described in second operating system update.
5. regional addressing method as claimed in claim 2, in addition to：
Partition protecting position for it is invalid when, partition protecting position is reset after effectively, to restart first behaviour
Make system and the second operating system, so that the partition protecting position reset is come into force.
6. a kind of electronic equipment, it is characterised in that the electronic equipment includes memory cell and processor；
The memory cell includes subregion header unit and multiple data partition units, by the multiple data partition unit
Part be divided into the first data partition part, another part is divided into the second data partition part, wherein first data
Partition sections include multiple data partition units, and the second data partition part includes multiple data partition units；First behaviour
The data for making system are installed to and belonged in the data partition unit of the first data partition part, the number of the second operating system
Belong to according to being installed in the data partition unit of the second data partition part；
The processor, sets the partition protecting position in the subregion header unit, so that first operating system is described
When partition protecting position is effective, the data partition unit in the first data partition part is only accessed；Second operating system
When partition protecting position is effective, the data partition unit in the second data partition part is only accessed,
Wherein, in the memory cell also include multiple subregion gateway units, the multiple subregion gateway unit with it is the multiple
Data partition unit is corresponded；
The processor, is additionally operable to after being effective in the partition protecting position in setting the subregion header unit, sets each
Zone attribute position in subregion gateway unit；So that first operating system is effective in partition protecting position, and described point
When area attribute position is also effective, the data partition unit in the first data partition part is only accessed；Second operating system
The partition protecting position effectively, and the zone attribute position it is also effective when, only access in the second data partition part
Data partition unit.
7. electronic equipment according to claim 6, it is characterised in that
The processor, is additionally operable to when partition protecting position is invalid so that first operating system and second behaviour
Make the data partition unit in system access the first data partition part and the second data partition part.
8. electronic equipment according to claim 7, it is characterised in that
The processor, be additionally operable to the partition protecting position it is invalid, and the zone attribute position also for it is invalid when so that it is described
First data partition part and the second data partition part described in first operating system and second operating system access
In data partition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552969.0A CN103870762B (en) | 2012-12-18 | 2012-12-18 | Regional addressing method and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552969.0A CN103870762B (en) | 2012-12-18 | 2012-12-18 | Regional addressing method and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103870762A CN103870762A (en) | 2014-06-18 |
| CN103870762B true CN103870762B (en) | 2017-08-29 |
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| CN104573505A (en) * | 2014-12-30 | 2015-04-29 | 北京工业大学 | Single hard disk and double operating system partitioning method by filtration drive |
| CN104866431B (en) * | 2015-06-12 | 2018-08-31 | 联想(北京)有限公司 | A kind of data processing method and device |
| US10133504B2 (en) | 2016-04-06 | 2018-11-20 | Futurewei Technologies, Inc. | Dynamic partitioning of processing hardware |
| CN109033812B (en) * | 2018-07-16 | 2021-09-24 | 山东华芯半导体有限公司 | Device and method for controlling UKEY to log in multi-partition operating system through UEFI |
| CN114168207B (en) * | 2021-12-06 | 2023-04-25 | 成都傲梅科技有限公司 | UEFI-based backup and one-key boot startup method |
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| CN101785239A (en) * | 2007-07-13 | 2010-07-21 | 英特尔公司 | Key based hidden partition system |
| CN101566972B (en) * | 2009-05-12 | 2010-12-08 | 苏州国芯科技有限公司 | Safety control method of user multi-partitioned memory space access right in embedded system |
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| CN101785239A (en) * | 2007-07-13 | 2010-07-21 | 英特尔公司 | Key based hidden partition system |
| CN101566972B (en) * | 2009-05-12 | 2010-12-08 | 苏州国芯科技有限公司 | Safety control method of user multi-partitioned memory space access right in embedded system |
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