CN102117182A - Multi-hardware system data processing equipment and storage equipment switching method thereof - Google Patents
Multi-hardware system data processing equipment and storage equipment switching method thereof Download PDFInfo
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- CN102117182A CN102117182A CN2009102431877A CN200910243187A CN102117182A CN 102117182 A CN102117182 A CN 102117182A CN 2009102431877 A CN2009102431877 A CN 2009102431877A CN 200910243187 A CN200910243187 A CN 200910243187A CN 102117182 A CN102117182 A CN 102117182A
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Abstract
The invention discloses multi-hardware system data processing equipment and a storage equipment switching method thereof. The method comprises that: when detecting switching from a first hardware system to a second hardware system, the first hardware system stops accessing storage equipment, and transmits a first instruction of switching the connection of the storage equipment with the first hardware system into the connection with the second hardware system to a switching module; when detecting the switching from the second hardware system to the first hardware system, the second hardware system stops accessing the storage equipment, and transmits a second instruction of switching the connection of the storage equipment with the second hardware system into the connection with the first hardware system to the switching module; and the switching module connects the storage equipment and the second hardware system according to the first instruction, and connects the storage equipment and the first hardware system according to the second instruction. By the multi-hardware system data processing equipment and the storage equipment switching method thereof, each hardware system in a Hybrid architecture can directly access the storage equipment.
Description
Technical field
The present invention relates to electronic applications, be specifically related to the changing method of a kind of multi-hardware system data processing device and memory device thereof.
Background technology
Along with the development of PC, original system power consumptions such as X86 are big, start and wait problem outstanding gradually slowly, and the advantage of original systems such as the system (such as ARM) of other frameworks and X86 system being formed the Hybrid framework is also more and more outstanding.Hybrid is a commingled system, is actually to embed on the basis of original system to merge at least one other system low in energy consumption, that performance is relatively poor relatively, and advantage is separately given full play in a plurality of systematic collaboration fusion work; One of them crucial technology is that quick, the stable data between the realization multisystem shared.
In the existing solution, because memory devices such as hard disk/flash simultaneously can only be by a system from physically occupying, so the mode of data sharing is to utilize existing data channel (as network, usb etc.) mode to carry out data transmission by master/visitor's end software mostly.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Do not realize that real storage device data directly visits, but by network/usb Data transmission, stability and transmission speed all are difficult to reach the effect of so-called " seamless switching "; For example, switch to the ARM system suddenly when the user watches video file in the x86 system, existing data sync mode needs and will be transferred to ARM from x86 up to the video file of hundreds of megabyte, needs to wait for to reach several minutes, and user experience is very poor.
Summary of the invention
The technical problem to be solved in the present invention provides the changing method of a kind of multi-hardware system data processing device and memory device thereof, can make each the system's DASD in the Hybrid framework.
In order to address the above problem, the invention provides a kind of multi-hardware system data processing device, comprise at least: one first hardware system; One second hardware system; One memory device; Also comprise: all die change pieces are fixedly linked with described memory device;
Described first hardware system comprises:
First Data access module is used for reading and writing described memory device when described first hardware system links to each other with described memory device;
First detection module is used for sending first trigger pip when detecting when switching to described second hardware system from described first hardware system;
First control module when being used to receive described first trigger pip, stops the visit of described first Data access module to described memory device, sends described memory device is switched to first indicating to described handover module of linking to each other with described second hardware system;
Described second hardware system comprises:
Second Data access module is used for reading and writing described memory device when described second hardware system links to each other with described memory device;
Second detection module is used for sending second trigger pip when detecting when switching to described first hardware system from described second hardware system;
Second control module when being used to receive described second trigger pip, stops the visit of described second Data access module to described memory device, sends described memory device is switched to second indicating to described handover module of linking to each other with described first hardware system;
Described handover module links to each other described memory device according to described first indication with described second hardware system, according to described second indication described memory device is linked to each other with described first hardware system.
Further, described first hardware system also comprises first transport module; Described second hardware system also comprises second transport module, is used for described first transport module mutual;
Described second control module links to each other with described second transport module, is used for described second indication is sent to described first transport module by described second transport module;
Described first transport module is used for described second indication is sent to described first control module;
Described first control module also is used for after receiving described second indication, sends this second indication to described handover module.
Further, described memory device is the system disk of second hardware system;
Described second control module also is used for stopping the visit of described second Data access module to described memory device, send described second the indication after, control second hardware system and enter sleep state;
Described first control module indicates described first detection module to detect the described second hardware system state after receiving described second indication, when detecting second hardware system and be sleep state, again will described second indicates to send to described handover module.
Further, described first detection module detects the state of second hardware system by general input interface;
Described first control module sends described first, second indication to described handover module by general output interface.
The present invention also provides the method for switching memory device in a kind of multi-hardware system data processing device, and described multi-hardware system data processing device comprises one first hardware system, one second hardware system, a memory device and all die change pieces; Described method comprises:
Described first hardware system is when detecting when switching to described second hardware system from described first hardware system, stop visit, send described memory device is switched to first indicating to described handover module of linking to each other with described second hardware system described memory device;
Described second hardware system is when detecting when switching to described first hardware system from described second hardware system, stop visit, send described memory device is switched to second indicating to described handover module of linking to each other with described first hardware system described memory device;
Described handover module links to each other described memory device according to described first indication with described second hardware system, according to described second indication described memory device is linked to each other with described first hardware system.
Further, described second hardware system transmission, second indication specifically comprises to the step of described handover module:
Described second hardware system sends to described first hardware system with described second indication;
Described first hardware system sends to described handover module with described second indication.
Further, described memory device is the system disk of second hardware system; Described method also comprises:
Described second hardware system enters sleep state after stopping described second indication of visit, the transmission of described second Data access module to described memory device;
Described first hardware system is after receiving described second indication, send this second indication to before the described memory device, detect the described second hardware system state, when detecting second hardware system and be sleep state, described second indication is sent to described handover module.
Further, described first hardware system detects the state of second hardware system by general input interface; Send described first, second indication to described handover module by general output interface.
The present invention also provides a kind of panel computer, comprising: first hardware system; One memory device; One handover module that links to each other with described memory device;
Described first hardware system comprises:
First Data access module is used for reading and writing described memory device when described first hardware system links to each other with described memory device;
First detection module is used for sending first trigger pip when the external hardware system that detects will be connected with described memory device;
First control module when being used to receive described first trigger pip, stops the visit of described first Data access module to described memory device, sends first indicating to described handover module that described memory device and described first hardware system disconnect;
Described handover module disconnects being connected of described memory device and described first hardware system according to described first indication.
Further, described first hardware system also comprises:
First transport module is used to receive second indication that the external hardware system produces, and is transmitted to described first control module; Described second indication is used for indication and described memory device switched to described first hardware system links to each other;
Described first control module also is used for being transmitted to described handover module after receiving described second indication;
Described handover module also is used for disconnecting being connected of described memory device and external hardware system, and described memory device being linked to each other with described first hardware system according to described second indication.
Further, described first control module also is used for after receiving described second indication, indicate described first detection module to detect described external hardware system state, when detecting this external hardware system and be sleep state, more described second indication is sent to described handover module.
Further, described first hardware system is the ARM hardware system; Described first detection module detects the state of external hardware system by general input interface; Send described first, second indication to described handover module by general output interface.
The present invention also provides a kind of docking station, comprises second hardware system that can be connected with external unit; The memory device that described external unit has a switching device shifter and is connected with described switching device shifter;
Described second hardware system comprises:
Second Data access module is used for reading and writing described memory device when described second hardware system links to each other with the above memory device of described external unit by the above switching device shifter of described external unit;
Second detection module is used for sending second trigger pip when detecting described second hardware system and will disconnect with memory device on the described external unit;
Second control module when being used to receive described second trigger pip, stops the visit of described second Data access module to the memory device on the described external unit, sends the switching device shifter of second indication to described external unit; Wherein, described second indication is used to indicate the disconnection described memory device of described external unit and being connected of second hardware system.
Further, described second hardware system links to each other with described switching device shifter on the described external unit by the external hardware system;
Described second hardware system also comprises: one second transport module is used for described second indication is sent to the external hardware system.
Further, described second control module also is used for controlling second hardware system and entering sleep state after stopping described second indication of visit, the transmission of described second Data access module to the memory device on the described external unit.
One embodiment of the present of invention comprise following advantage at least: can switch memory device between two platforms, can accomplish that rapid data is shared; And the speed of accessing storage device is faster; Another embodiment of the present invention comprises following advantage at least: compatible good, existing system is changed few; When original system is the X86 system, when memory device is the SATA hard disk, only need the interconnected SATA of changing into of USB interconnectedly, do not need to develop primary client bitcom based on USB/WIFI yet.
Description of drawings
Fig. 1 is the schematic block diagram of the multi-hardware system data processing device among the embodiment one;
Fig. 2 is the schematic block diagram of the notebook computer among the embodiment two.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
Embodiment one, and a kind of multi-hardware system data processing device as shown in Figure 1, comprises at least:
One first hardware system; One second hardware system; One memory device;
All die change pieces are fixedly linked with described memory device;
Described first hardware system comprises:
First Data access module is used for reading and writing described memory device when described first hardware system links to each other with described memory device;
First detection module is used for sending first trigger pip when detecting when switching to described second hardware system from described first hardware system;
First control module when being used to receive described first trigger pip, stops the visit of described first Data access module to described memory device, sends described memory device is switched to first indicating to described handover module of linking to each other with described second hardware system;
Described second hardware system comprises:
Second Data access module is used for reading and writing described memory device when described second hardware system links to each other with described memory device;
Second detection module is used for sending second trigger pip when detecting when switching to described first hardware system from described second hardware system;
Second control module when being used to receive described second trigger pip, stops the visit of described second Data access module to described memory device, sends described memory device is switched to second indicating to described handover module of linking to each other with described first hardware system;
Described handover module links to each other described memory device according to described first indication with described second hardware system, according to described second indication described memory device is linked to each other with described first hardware system.
In the present embodiment, which hardware system no matter the data disks that described memory device is shared as first, second hardware system be operated under, can directly visit this memory device; When switching between hardware system, hardware system only needs to send corresponding indication to described handover module, and need not data are transferred to another from a hardware system, can reach the effect of " seamless switching " on data sync.
In the present embodiment, described first hardware system can also comprise a power module, is used for to described handover module power supply.
In the present embodiment, described first hardware system can also comprise first transport module; Described second hardware system can also comprise second transport module, is used for described first transport module mutual;
Described second control module links to each other with described second transport module, is used for described second indication is sent to described first transport module by described second transport module;
Described first transport module is used for described second indication is sent to described first control module;
Described first control module links to each other with described memory device, can directly send first indication to described handover module; Also be used for after receiving described second indication, send this second indication to described handover module.
In actual applications, also can be that first, second control module is all directly controlled described memory device; Described memory device by work at present hardware system control.
In the present embodiment, described first hardware system can also comprise a buffer memory;
Described first control module stops described first Data access module visit of described memory device specifically is meant:
Described first control module indicates first Data access module that the data in the buffer memory are write hard disk, stops to read hard disk.
In an embodiment of the present embodiment, described memory device is the system disk of second hardware system;
Described second control module can also be used for controlling second hardware system and entering sleep state after stopping described second indication of visit, the transmission of described second Data access module to described memory device;
Described first control module indicates described first detection module to detect the described second hardware system state after receiving described second indication, when detecting second hardware system and be sleep state, again will described second indicates to send to described handover module.
In other embodiment of present embodiment, second hardware system can be provided with a system disk in addition.
In the present embodiment, described first hardware system can but be not limited to the ARM hardware system; Described first detection module can but be not limited to (General Purpose Input by GPI, general input) interface detects the state of second hardware system, described first control module can but be not limited to send described first, second indication to described handover module by (GeneralPurpose Input, general input) interface.
Embodiment two, and a kind of notebook computer as shown in Figure 2, comprising: handover module;
First hardware system is the ARM hardware system in the present embodiment, to the direct current of described handover module for 5V; Comprise that a FLASH is as system disk.
Second hardware system is the X86 hardware system in the present embodiment;
Memory device is a SATA hard disk in the present embodiment, links to each other with described handover module by the SATA data line;
Described handover module links to each other with ARM hardware system, X86 hardware system respectively by the SATA data line, and one of them hardware system is linked to each other with described SATA hard disk.
Described SATA hard disk can allow two hardware systems share the wherein data of storage as the shared storage device of two hardware systems; Such as the data that the user preserves under the X86 hardware system, also can when switching to the ARM hardware system, visit.
In addition, when switching to one of above-mentioned two hardware systems, the software that moves on this hardware system can scan the data of preserving in the described SATA hard disk, compare when this hardware system switches to another hardware system with the last time, which has carried out changed (comprising increase, deletion, modification etc.), and these changes can be presented on the user interface, with the prompting user.When using the ARM hardware system as the user, can show a user interface on the display screen, be divided into some viewing areas (or showing several icons), correspond respectively to the file of preserving Miscellaneous Documents such as multimedia, document, photo in the SATA hard disk; When the X86 hardware system switches to the ARM hardware system, if change has taken place the software scans of moving in the ARM hardware system certain or certain data of preserving in several in the above-mentioned file in the SATA hard disk, then can point out (or point out with the icon of different patterns) in this or those file corresponding display.
The user interface of moving on the ARM hardware system can also be pointed out the user storage content changing.
Described handover module and SATA hard disk are one with described ARM hardware system on the physical arrangement, can disassemble from notebook computer with the ARM system, separate with described X86 hardware system; The system disk that described SATA hard disk can be the X86 hardware system data disks of holding concurrently, also can be only as the data disks of X86 hardware system.
In the present embodiment, in the time of in being operated in the ARM hardware system, if the user wants to switch to the X86 hardware system, because hard disk is just individual data disks for the ARM hardware system, it is an external hot-plug equipment (as USB, SATA), so as long as hard disk secure is disconnected and switching, can not be corrupted to the integrality of ARM hardware system, this moment, switching flow was as follows:
101, the user triggers system's handover event;
102, the operating system of moving in the ARM hardware system detects incident, synchronous hard disc data, and the data that are about in the buffer memory write hard disk, and the current process that is reading hard disk is withdrawed from, and disconnect hard disk;
103, the operating system of moving in the ARM hardware system is controlled described handover module switching hard disk to the X86 hardware system by GPO;
104, other shared devices are switched to the X86 hardware system in the ARM system, as KVM (keyboard, display, mouse); The system that finishes is switched.
In the time of in being operated in the X86 hardware system, if the user wants to switch to the ARM hardware system from the X86 hardware system, and hard disk is system disk for the X86 hardware system, will guarantee the integrality of the operating system moved in the X86 hardware system when then switching, and this moment, switching flow was as follows:
201, the user triggers system's handover event;
202, the driving (program) that moves in the X86 hardware system detects incident, by and the ARM hardware system between the command channel order of " hard disk is switched to the ARM hardware system from the X86 hardware system " is sent to the ARM hardware system;
203, the operating system of moving in the ARM hardware system receives this order, begins to detect X86 hardware system state;
204, the driving (program) that moves in the X86 hardware system makes the X86 hardware system enter sleep pattern;
205, the ARM hardware system detects the X86 system by GPI and has entered sleep pattern
206, the ARM hardware system is controlled described handover module by GPO, and hard disk is switched to the ARM hardware system from the X86 hardware system;
207, system switches and to finish, and user job and has control to hard disk on the ARM hardware system.
Embodiment three, and a kind of panel computer comprises:
First hardware system; One memory device; One handover module that links to each other with described memory device.
This panel computer can use separately, independently finishes user's demand, also can external one comprises the docking station of another hardware system, is combined into system's (device) of a hybrid structure; The system of this hybrid structure can select one of them demand of finishing the user or both cooperations to finish user's demand jointly according to user's demand and described panel computer and described docking station processing power between the two.
Described first hardware system comprises:
First Data access module is used for reading and writing described memory device when described first hardware system links to each other with described memory device;
First detection module is used for sending first trigger pip when the external hardware system that detects will be connected with described memory device;
First control module when being used to receive described first trigger pip, stops the visit of described first Data access module to described memory device, sends first indicating to described handover module that described memory device and described first hardware system disconnect;
Described handover module disconnects being connected of described memory device and described first hardware system according to described first indication, can also further described memory device be linked to each other with the external hardware system.
In the present embodiment, described first hardware system can also comprise first transport module, is used to receive second indication that the external hardware system produces, and is transmitted to described first control module; Described second indication is used for indication and described memory device switched to described first hardware system links to each other;
Described first control module also is used for being transmitted to described handover module after receiving described second indication;
Described handover module also is used for disconnecting being connected of described memory device and external hardware system, and described memory device being linked to each other with described first hardware system according to described second indication.
In the present embodiment, described first hardware system can also comprise a buffer memory;
Described first control module stops described first Data access module visit of described memory device specifically is meant:
Described first control module indicates first Data access module that the data in the buffer memory are write hard disk, stops to read hard disk.
In an embodiment of the present embodiment, described first control module also is used for after receiving described second indication, indicate described first detection module to detect described external hardware system state, when detecting this external hardware system and be sleep state, more described second indication is sent to described handover module.
In the present embodiment, described first hardware system can but be not limited to the ARM hardware system; Described first detection module can but be not limited to (General Purpose Input by GPI, general input) interface detects the state of second hardware system, described first control module can but be not limited to send described first, second indication to described handover module by (GeneralPurpose Input, general input) interface.
Embodiment four, and a kind of docking station comprises second hardware system that can be connected with external unit; The memory device that described external unit has a switching device shifter and is connected with described switching device shifter.
Described docking station can be combined into system's (device) of a hybrid structure with a panel computer, and this platform computer comprises another hardware system, memory device and handover module; The system of this hybrid structure can select one of them demand of finishing the user or both cooperations to finish user's demand jointly according to user's demand and described panel computer and described docking station processing power between the two.
Described second hardware system comprises:
Second Data access module is used for reading and writing described memory device when described second hardware system links to each other with the above memory device of described external unit by the above switching device shifter of described external unit;
Second detection module is used for sending second trigger pip when detecting described second hardware system and will disconnect with memory device on the described external unit;
Second control module when being used to receive described second trigger pip, stops the visit of described second Data access module to the memory device on the described external unit, sends the switching device shifter of second indication to described external unit; Wherein, described second indication is used to indicate the disconnection described memory device of described external unit and being connected of second hardware system.
In the present embodiment, described second hardware system can link to each other with described switching device shifter on the described external unit by the external hardware system; This second hardware system can also comprise: one second transport module, be used for described second the indication send to the external hardware system, by the external hardware system forwards to the described switching device shifter on the external unit.
In the present embodiment, described second control module can also be used for controlling second hardware system and entering sleep state after stopping described second indication of visit, the transmission of described second Data access module to the memory device on the described external unit.
Switch the method for memory device in embodiment five, a kind of multi-hardware system data processing device, described multi-hardware system data processing device comprises one first hardware system, one second hardware system, a memory device and all die change pieces; Described method comprises:
Described first hardware system is when detecting when switching to described second hardware system from described first hardware system, stop visit, send described memory device is switched to first indicating to described handover module of linking to each other with described second hardware system described memory device;
Described second hardware system is when detecting when switching to described first hardware system from described second hardware system, stop visit, send described memory device is switched to second indicating to described handover module of linking to each other with described first hardware system described memory device;
Described handover module links to each other described memory device according to described first indication with described second hardware system, according to described second indication described memory device is linked to each other with described first hardware system.
In the present embodiment, described second hardware system sends second and indicates the step to described handover module specifically to comprise:
Described second hardware system sends to described first hardware system with described second indication;
Described first hardware system sends to described handover module with described second indication.
In the present embodiment, described first hardware system stops the step of the visit of described memory device is specifically comprised:
Described first hardware system writes hard disk with the data in the buffer memory, stops to read hard disk.
In an embodiment of the present embodiment, described memory device is the system disk of second hardware system;
Described method also comprises:
Described second hardware system enters sleep state after stopping described second indication of visit, the transmission of described second Data access module to described memory device;
Described first hardware system is after receiving described second indication, send this second indication to before the described memory device, detect the described second hardware system state, when detecting second hardware system and be sleep state, described second indication is sent to described handover module.
In other embodiment of present embodiment, second hardware system can be provided with a system disk in addition.
In the present embodiment, described first hardware system can but be not limited to the ARM hardware system; Can but be not limited to detect the state of second hardware system by the GPI interface; Can but be not limited to send described first, second indication to described handover module by interface.
Each module among each above-mentioned embodiment or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.The present invention is not restricted to any specific hardware and software combination.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (15)
1. a multi-hardware system data processing device comprises: one first hardware system at least; One second hardware system; One memory device; It is characterized in that, also comprise:
All die change pieces are fixedly linked with described memory device;
Described first hardware system comprises:
First Data access module is used for reading and writing described memory device when described first hardware system links to each other with described memory device;
First detection module is used for sending first trigger pip when detecting when switching to described second hardware system from described first hardware system;
First control module when being used to receive described first trigger pip, stops the visit of described first Data access module to described memory device, sends described memory device is switched to first indicating to described handover module of linking to each other with described second hardware system;
Described second hardware system comprises:
Second Data access module is used for reading and writing described memory device when described second hardware system links to each other with described memory device;
Second detection module is used for sending second trigger pip when detecting when switching to described first hardware system from described second hardware system;
Second control module when being used to receive described second trigger pip, stops the visit of described second Data access module to described memory device, sends described memory device is switched to second indicating to described handover module of linking to each other with described first hardware system;
Described handover module links to each other described memory device according to described first indication with described second hardware system, according to described second indication described memory device is linked to each other with described first hardware system.
2. data processing equipment as claimed in claim 1 is characterized in that:
Described first hardware system also comprises first transport module; Described second hardware system also comprises second transport module, is used for described first transport module mutual;
Described second control module links to each other with described second transport module, is used for described second indication is sent to described first transport module by described second transport module;
Described first transport module is used for described second indication is sent to described first control module;
Described first control module also is used for after receiving described second indication, sends this second indication to described handover module.
3. data processing equipment as claimed in claim 2 is characterized in that:
Described memory device is the system disk of second hardware system;
Described second control module also is used for stopping the visit of described second Data access module to described memory device, send described second the indication after, control second hardware system and enter sleep state;
Described first control module indicates described first detection module to detect the described second hardware system state after receiving described second indication, when detecting second hardware system and be sleep state, again will described second indicates to send to described handover module.
4. data processing equipment as claimed in claim 3 is characterized in that:
Described first detection module detects the state of second hardware system by general input interface;
Described first control module sends described first, second indication to described handover module by general output interface.
5. switch the method for memory device in the multi-hardware system data processing device, described multi-hardware system data processing device comprises one first hardware system, one second hardware system, a memory device and all die change pieces; Described method comprises:
Described first hardware system is when detecting when switching to described second hardware system from described first hardware system, stop visit, send described memory device is switched to first indicating to described handover module of linking to each other with described second hardware system described memory device;
Described second hardware system is when detecting when switching to described first hardware system from described second hardware system, stop visit, send described memory device is switched to second indicating to described handover module of linking to each other with described first hardware system described memory device;
Described handover module links to each other described memory device according to described first indication with described second hardware system, according to described second indication described memory device is linked to each other with described first hardware system.
6. method as claimed in claim 5 is characterized in that, described second hardware system sends second and indicates the step to described handover module specifically to comprise:
Described second hardware system sends to described first hardware system with described second indication;
Described first hardware system sends to described handover module with described second indication.
7. method as claimed in claim 6 is characterized in that:
Described memory device is the system disk of second hardware system;
Described method also comprises:
Described second hardware system enters sleep state after stopping described second indication of visit, the transmission of described second Data access module to described memory device;
Described first hardware system is after receiving described second indication, send this second indication to before the described memory device, detect the described second hardware system state, when detecting second hardware system and be sleep state, described second indication is sent to described handover module.
8. method as claimed in claim 7 is characterized in that,
Described first hardware system detects the state of second hardware system by general input interface; Send described first, second indication to described handover module by general output interface.
9. a panel computer comprises: first hardware system;
It is characterized in that, also comprise: a memory device; One handover module that links to each other with described memory device;
Described first hardware system comprises:
First Data access module is used for reading and writing described memory device when described first hardware system links to each other with described memory device;
First detection module is used for sending first trigger pip when the external hardware system that detects will be connected with described memory device;
First control module when being used to receive described first trigger pip, stops the visit of described first Data access module to described memory device, sends first indicating to described handover module that described memory device and described first hardware system disconnect;
Described handover module disconnects being connected of described memory device and described first hardware system according to described first indication.
10. panel computer as claimed in claim 9 is characterized in that, described first hardware system also comprises:
First transport module is used to receive second indication that the external hardware system produces, and is transmitted to described first control module; Described second indication is used for indication and described memory device switched to described first hardware system links to each other;
Described first control module also is used for being transmitted to described handover module after receiving described second indication;
Described handover module also is used for disconnecting being connected of described memory device and external hardware system, and described memory device being linked to each other with described first hardware system according to described second indication.
11. panel computer as claimed in claim 10 is characterized in that:
Described first control module also is used for indicating described first detection module to detect described external hardware system state after receiving described second indication, when detecting this external hardware system and be sleep state, again will described second indicates to send to described handover module.
12. panel computer as claimed in claim 11 is characterized in that:
Described first hardware system is the ARM hardware system; Described first detection module detects the state of external hardware system by general input interface; Send described first, second indication to described handover module by general output interface.
13. a docking station is characterized in that:
Comprise second hardware system that can be connected with external unit; The memory device that described external unit has a switching device shifter and is connected with described switching device shifter;
Described second hardware system comprises:
Second Data access module is used for reading and writing described memory device when described second hardware system links to each other with the above memory device of described external unit by the above switching device shifter of described external unit;
Second detection module is used for sending second trigger pip when detecting described second hardware system and will disconnect with memory device on the described external unit;
Second control module when being used to receive described second trigger pip, stops the visit of described second Data access module to the memory device on the described external unit, sends the switching device shifter of second indication to described external unit; Wherein, described second indication is used to indicate the disconnection described memory device of described external unit and being connected of second hardware system.
14. docking station as claimed in claim 13 is characterized in that:
Described second hardware system links to each other with described switching device shifter on the described external unit by the external hardware system;
Described second hardware system also comprises: one second transport module is used for described second indication is sent to the external hardware system.
15. docking station as claimed in claim 13 is characterized in that:
Described second control module also is used for controlling second hardware system and entering sleep state after stopping described second indication of visit, the transmission of described second Data access module to the memory device on the described external unit.
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