CN101436097A - Electronic device and wake-up method thereof - Google Patents
Electronic device and wake-up method thereof Download PDFInfo
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- CN101436097A CN101436097A CNA2007101702726A CN200710170272A CN101436097A CN 101436097 A CN101436097 A CN 101436097A CN A2007101702726 A CNA2007101702726 A CN A2007101702726A CN 200710170272 A CN200710170272 A CN 200710170272A CN 101436097 A CN101436097 A CN 101436097A
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Abstract
The invention relates to an electronic device and an awakening method thereof. The electronic device comprises a detection circuit, a memory unit and a starting module, wherein a state change value is outputted when the detection circuit detects a change state of any non-hot plug device, and the memory unit is used for storing the state change value outputted by the detection circuit; and when the electronic device restores the operating state from the sleep state, a normal starting program is executed if the starting module detects the state change value.
Description
Technical field
The invention relates to the awakening method of a kind of electronic installation and electronic installation, and particularly support newly-increased or remove the awakening method of the electronic installation of non-hot plug (non-hot plug) device relevant for a kind of.
Background technology
(Advanced Configuration and Power Interface, ACPI) in the standard, the state of computer system has also comprised the dormant state (sleeping mode) that consumes less power supply except duty S0 advancing rank configuration and power interface.And according to the difference of power consumption and resume speed, dormant state can be divided into a plurality of grades such as S1, S3, S4 and S5.Under S1 (power on suspend) state, computer system is only with the screen shutdown, so can return to duty soon.And under the S3 state that is referred to as storer dormancy (suspend to ram), except storer and controller thereof need power supply to keep the data, all the other devices are all stopped power supply.S4 (suspend to disk) state further the data storage in the storer at hard disk, therefore no longer needing power supply to give storer.And so-called S5 state promptly is an off-mode, and only keep considerably less standby power to computer system this moment.
Be not difficult to infer, it is also long more to return to the needed time of duty under the pattern of power saving more.Furthermore, in above-mentioned dormant state the most power saving be the S5 state, yet by the S5 recovering state during to duty, need by Basic Input or Output System (BIOS) (Basic Input Output System, BIOS) selftest of starting shooting, according to this peripheral hardware unit is carried out the action of initialization and scanning, and relevant setting value is filled in to peripheral hardware unit, after loading corresponding driver, just finish whole boot program.It is very tediously long that the execution of above-mentioned action will cause becoming the start-up time of computer system.
In comparison, because computer system is before entering the S3 state, by operating system present behaviour in service (comprise various settings, driver, or the Application Status carried out of user etc.) is recorded in the branch page file (page file), and with the paging file storage to storer.Therefore when the user restarts computer system to duty S0 by battery saving mode S3, only needing to carry out basic chip by Basic Input or Output System (BIOS) sets, the leading expedient of computer system can be handed over to operating system, with the data by minute page file computer system is returned to state originally.Under the situation of hardware initialization, scanning and detecting action, can return to duty with quickish speed.
Exactly because also when computer system by the S3 recovering state during to duty S0; Basic Input or Output System (BIOS) will no longer be carried out scanning motion to peripheral hardware unit; if therefore the user is in computer system and increases or removed any non-hot plug (non-hot-plug) device under the S3 state newly; when the startup computer system returns to duty S0; the virtual condition of hardware unit is just inconsistent with minute page file recorded data; this will cause the computer system hang-up, when serious even can cause the damage of computer system or hardware unit.That is to say, if the user is set the state to S3 in order to want to start computer system fast, just can't under such state, increase or remove any non-hot plug device newly.
Summary of the invention
In view of this, the invention provides a kind of electronic installation (or computer system), allow the user can be when electronic installation enters storer dormancy (S3) state, still can increase or remove any non-hot plug (non-hot-plug) device newly, and can not cause electronic installation to crash or damage institute and can't resume work, and then increase computer system convenience in the use.
The invention provides a kind of awakening method of electronic installation, when waking up to duty by the storer dormant state, judge at first whether the user increases or removed any non-hot plug device newly under the storer dormant state, and according to the different recovery routine of judged result execution, thereby avoid because of increasing or remove the situation generation that non-hot plug device causes normally opening computer system newly.
The present invention proposes a kind of electronic installation, has a duty and a storer dormant state, and connects at least one non-hot plug device, and electronic installation comprises a circuit for detecting and a starting module.When circuit for detecting is detected a change state of arbitrary non-hot plug device, export a state change value.When electronic installation will return to duty by the storer dormant state, if starting module detects state change value, then carry out a normal boot-strap program, if starting module does not detect state change value, then carry out a storer dormancy recovery routine.
The change state of non-hot plug device wherein, be non-hot plug device be installed on the electronic installation with by removing non-hot plug device on the electronic installation, both one of.If starting module does not detect state change value, then electronic installation is carried out a storer dormancy recovery routine.
The normal boot-strap program comprises non-hot plug device is rescaned that storer dormancy recovery routine uses the supplemental characteristic in the storer, makes the electronic memory dormant state return to duty.
In one embodiment of this invention, circuit for detecting comprises at least one detecting unit and a logic gate.Wherein, each detecting unit is in order to detect one of corresponding above-mentioned these non-hot plug devices, when this changes state, and a just corresponding signal of exporting.Logic gate is exported this state change value after receiving above-mentioned these signals.Logic gate can be a NAND door.Detecting unit is disposed at a plurality of non-hot plug device slots respectively, with the electric connection according to non-hot plug device and non-hot plug device slot, controls this signal output.
In one embodiment of this invention, non-hot plug device comprises storer, and electronic installation also comprises the memory power switch.This memory power switch is connected to storer, circuit for detecting and power supply, in order to detect storer at circuit for detecting by newly-increased or when removing, sever supply is to the power supply of storer.
In one embodiment of this invention, storage unit arbitrary form of can be South Bridge chip buffer or Super I/O chip buffer is reached.And starting module comprise Basic Input or Output System (BIOS) (BasicInput/Output System, BIOS) with an operating system.Non-hot plug device then can be that (Integrated Drive Electronics, IDE) device, peripheral part connect (PeripheralComponent Interconnect, PCI) device, or PS2 device to integrated driving electronics.
From another viewpoint, the present invention proposes a kind of awakening method of electronic installation, and this electronic installation is suitable for disposing at least one non-hot plug device, and this method comprises: when one of the arbitrary non-hot plug device of detecting changes state, produce a state change value.Store this state change value.If when electronic installation will return to duty by the storer dormant state, detect state change value, then this electronic installation is carried out a normal boot-strap program.
When the present invention was in the storer dormant state in computer system, whether the record user had the action that increases newly or remove any non-hot plug device.When preparation returns to duty with computer system, just can judge it is to come computer system is recovered action with storer dormancy recovery routine or traditional boot program in view of the above according to the result of record.Therefore, as long as the user is not newly-increased or remove any non-hot plug device, computer system just can return to duty by storer dormancy recovery routine, and then accelerates to start the speed of computer system.
In sum, the waken system of storer dormancy of the present invention and method have following advantage at least:
1. when starting computer system, add judgment mechanism, to confirm whether have non-hot plug device to be updated.If the user is newly-increased or removed non-hot plug device, then start computer system with traditional boot program.In view of the above, the user still can upgrade non-hot plug device according to demand under the S3 state, and can not cause crashing when starting computer system, and then increases the elasticity of using computer system.
2. do not have to increase newly or remove under the situation of any non-hot plug device the user, apace computer system is returned to duty, and then promote the efficient that starts computer system, to increase the convenience on using by storer dormancy recovery routine.
3. the mechanism of protected storage is provided under the S3 state, and sever supply power supply when the user increases newly or removes storer causes the storer damage to prevent plug storer under the state that electricity is arranged according to this.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended diagram, be described in detail below.
Description of drawings
Shown in Figure 1 is calcspar according to the electronic installation of one embodiment of the invention.
Shown in Figure 2 is process flow diagram according to the electronic installation of one embodiment of the invention.
Embodiment
Under computer system architecture now, be to have power saving simultaneously concurrently to reach Starting mode fast by storer dormancy (S3) recovering state to duty.Yet under the S3 state, do not support the newly-increased of non-hot plug (non-hot-plug) device or remove action.Therefore, if there is a cover mechanism can be recorded in the state that non-hot plug device quilt increases newly or removes under the S3 state, and then starting electronic installation (or computer system) by storer dormancy (S3) recovering state during to duty S0, change state according to the non-hot plug of detect (non-hot-plug) device, select to start the program of electronic installation, being bound to can be under the situation of not upgrading any non-hot plug device, just can directly accelerate the toggle speed of computer system, also can avoid the situation that crashes when unusual fluctuation is arranged to non-hot plug device by a storer dormancy recovery routine.The present invention is based on above-mentioned viewpoint and then develops a kind of electronic installation and its awakening method that.In order to make content of the present invention more clear, below the example that can implement according to this really as the present invention especially exemplified by embodiment.
Shown in Figure 1 is calcspar according to the electronic installation of one embodiment of the invention.See also Fig. 1, electronic installation 100 returns to duty S0 applicable to a computer system (not shown) in order to the computer system that will be in the S3 state.Wherein, electronic installation 100 comprises circuit for detecting 110, storage unit 130, starting module 140.
In the present embodiment, the configurable a plurality of non-hot plug devices of computer system (for example non-hot plug device 121, non-hot plug device 123 and non-hot plug device 125 etc.), above-mentioned non-hot plug device can be hard disk, PS2 mouse or display card etc.If will with and computer system between connecting interface distinguish, non-hot plug device has comprised integrated driving electronics (Integrated Drive Electronics, IDE) device, peripheral part connect (Peripheral Component Interconnect, PCI) device, or the PS2 device or the like, do not limit its scope at this.Circuit for detecting 110 is in order to detecting the change state of above-mentioned non-hot plug device, and is connected with storage unit 130, after state (change) value that will export according to above-mentioned change state, is stored to storage unit 130 according to this.
Further, in circuit for detecting 110, comprise a plurality of detecting units (for example detecting unit 111, detecting unit 113 and detecting unit 115) and a logic gate 117.In the present embodiment, each detecting unit is respectively in order to detecting the state of different non-hot plug devices, and when the state of the non-hot plug device of correspondence is updated, the signal that output is corresponding.For instance, detect non-hot plug device 121 by newly-increased or when removing, logic gate 117 just can be exported the signal that the non-hot plug device 121 of expression is updated when detecting unit 111.
In one embodiment, the detecting unit in the circuit for detecting 110 for example is to be configured on the non-hot plug device slot of motherboard.With the PCI slot is example, all is provided with a detecting unit on all PCI slots of computer system motherboard, the state that detecting unit can be judged the PCI device according to the pin (pin) and the annexation between the PCI device of PCI slot, and the corresponding signal of output.For instance, when supposing that the PCI device is installed in computer system, detecting unit can be exported the signal of a noble potential.When the user moved the PCI device (display card that for example has pci interface) that originally assigns on the PCI slot, detecting unit just can change the signal value of output signal into electronegative potential so.
In another embodiment, on all PS2 slots of computer system, also dispose detecting unit, and detecting unit for example is to judge according to the signal value of any one pin on the PS2 slot whether the user increases or remove PS2 device (for example PS2 mouse) newly.It must be emphasized that at this, the foregoing description only is a kind of embodiment of detecting unit, anyly can detect the state of non-hot plug device and whether be updated and the substitutional connection of output corresponding signal according to non-hot plug device, all can not limit the embodiment of detecting unit at this in order to as detecting unit of the present invention.
As shown in Figure 1, all signals of exporting via detecting unit will be transferred into the input end of logic gate 117 in the lump, and wherein for example available NAND door of logic gate 117 is realized.And logic gate 117 then can produce the state value of a correspondence according to all received signals after receiving above-mentioned signal, and by output terminal state value is sent to storage unit 130.The state value that logic gate 117 is exported is corresponding to the state of all non-hot plug devices.In other words, as long as there is the state of a non-hot plug device to change to some extent, just can make corresponding detecting unit change the signal of output, and cause logic gate 117 to change the content of the state value of being exported thereupon.That is to say that when the state of any non-hot plug device is changed, the state value that is stored in the storage unit 130 also can change.In the present embodiment, for example be South Bridge chip buffer or Super I/O chip buffer in order to the storage unit 130 of store status value, do not limit its scope at this.
Starting module 140 is connected to storage unit 130, and whether changes the different program of carrying out according to state value, so with computer system by storer dormancy (S3) recovering state to duty.Wherein, starting module 140 for example be Basic Input or Output System (BIOS) (Basic Input/Output System, BIOS) and operating system.Following embodiment is how starting module 140 starts computer system according to state value a detailed step.See also Fig. 2, when user's desire is pressed power key by storer dormancy (S3) recovering state to duty with computer system, at first shown in step 210, starting module 140 can use Basic Input or Output System (BIOS) to read the state value that is stored in the storage unit 130.
Then in step 220, judging whether state value changes, originally was a setting value perhaps, received a state change value that is different from setting value then.If state value remains unchanged (or being former setting value), the expression user is not in computer system and increases or remove any non-hot plug device under the S3 state newly.Therefore shown in step 230, starting module 140 can use operating system to carry out a storer dormancy recovery routine, just and be carried in computer system again and enter a supplemental characteristic (promptly dividing page file (page file)) that is stored to storer before the S3 state.In view of the above can be apace with computer system by the S3 recovering state to duty.
Yet, if starting module 140 judges that state values change to some extent, the expression user computer system be in the S3 state during may increase or remove some non-hot plug device newly.In order successfully to start computer system and to use newly-increased non-hot plug device, shown in step 240, starting module 140 will be carried out general normal boot-strap flow process, just (Power On Self Test POST) scans and sets the hardware unit (comprising all non-hot plug devices) of computer system again by the start selftest.Thus, the device that the user increased newly just can normal operation after the process initialization action.
At last in step 250, operating system is loaded on computer system finishing whole recovery flow process, and then allows computer system enter duty to receive user's operation.Because most user can not increase newly before each use computer system of being everlasting or remove non-hot plug device, therefore, starting module 140 just can return to duty with computer system by execute store dormancy recovery routine under these circumstances.Compared to traditional boot program, spent time of storer dormancy recovery routine is shorter, therefore can accelerate to start the speed of computer system, and then the efficient in the lifting use.In addition, the user still can come according to demand to increase newly under the S3 state or remove non-hot plug device, and can not experience the inconvenience that can't upgrade non-hot plug device under traditional S3 state.
What deserves to be mentioned is that (dynamic RAM for example, Dynamic Random Access Memory DRAM) also belongs to non-hot plug device to divide the storer of page file in order to storage in the computer system.And when computer system is in the S3 state, must power to storer in order to preserve data.Under power supply state, at random plug storer and cause the storer damage for fear of the user, manage at the power supply that is supplied to storer especially in the present embodiment.See also Fig. 1, for convenience of description, suppose that in the present embodiment non-hot plug device 125 is DRAM.In electronic installation 100, memory power switch 150 is respectively with non-hot plug device 125 (being DRAM), link to each other corresponding to the detecting unit 115 of DRAM and the power supply 160 that is supplied to DRAM.When detecting unit 115 detects DRAM by newly-increased or when removing, just drive the line broken circuit that memory power switch 150 will connect DRAM and power supply 160 originally, to stop power supply, protect DRAM not damaged in view of the above to DRAM.
In another embodiment, in mode that can be by for example software implementation with the function setting of the power key of computer system for entering the S3 state.In view of the above, when the user pressed power key, computer system just can directly enter the S3 state.And just can under the S3 state, detect the update mode of non-hot plug device by the waken system of storer dormancy, and press power key once more and when preparing to start computer system, judge to start computer system with storer dormancy recovery routine or boot program the user.Concerning the user, do not having newly-increased or removing under the situation of any non-hot plug device, the speed that starts computer system will significantly promote.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (22)
1. an electronic installation has a duty and a storer dormant state, and connects at least one non-hot plug device, it is characterized in that, comprising:
One circuit for detecting when one of the arbitrary non-hot plug device of detecting changes state, is exported a state change value;
One storage unit receives and stores above-mentioned state change value; And
One starting module, when above-mentioned electronic installation will return to above-mentioned duty by above-mentioned storer dormant state, if starting module detects above-mentioned state change value, then above-mentioned electronic installation was carried out a normal boot-strap program.
2. electronic installation according to claim 1 is characterized in that, wherein if starting module does not detect above-mentioned state change value, then above-mentioned electronic installation is carried out a storer dormancy recovery routine.
3. electronic installation according to claim 1 is characterized in that, the above-mentioned change state of above-mentioned non-hot plug device wherein, be non-hot plug device be installed on the electronic installation with by removing non-hot plug device on the electronic installation, both one of.
4. electronic installation according to claim 1 is characterized in that, wherein above-mentioned normal boot-strap program comprises above-mentioned these non-hot plug devices are rescaned.
5. electronic installation according to claim 2 is characterized in that, wherein above-mentioned storer dormancy recovery routine is to use the supplemental characteristic in the storer, will return to above-mentioned duty by above-mentioned storer dormant state.
6. electronic installation according to claim 1 is characterized in that, wherein above-mentioned circuit for detecting comprises:
At least one detecting unit, each detecting unit be in order to detecting one of corresponding above-mentioned these non-hot plug devices, when above-mentioned change state, and a just corresponding signal of exporting; And
One logic gate, receive above-mentioned these signals after, export above-mentioned state change value.
7. electronic installation according to claim 6 is characterized in that, wherein above-mentioned logic gate is a NAND door.
8. electronic installation according to claim 6, it is characterized in that, wherein above-mentioned these detecting units are disposed at a plurality of non-hot plug device slots respectively, with the electric connection according to above-mentioned non-hot plug device and above-mentioned non-hot plug device slot, control above-mentioned signal output.
9. electronic installation according to claim 1 is characterized in that, wherein above-mentioned non-hot plug device comprises a storer.
10. electronic installation according to claim 9 is characterized in that, also comprises:
One memory power switch is coupled to above-mentioned storer, above-mentioned circuit for detecting and a power supply, in order to detect above-mentioned storer at above-mentioned circuit for detecting by newly-increased or when removing, sever supply is to the above-mentioned power supply of above-mentioned storer.
One of 11. electronic installation according to claim 1 is characterized in that, wherein said memory cells is a South Bridge chip buffer and a Super I/O chip buffer, both.
12. electronic installation according to claim 1 is characterized in that, wherein above-mentioned starting module comprises a Basic Input or Output System (BIOS) and an operating system.
13. electronic installation according to claim 1, it is characterized in that, wherein above-mentioned non-hot plug device is an integrated driving electronics (Integrated Drive Electronics, IDE) device, a peripheral part connect (Peripheral Component Interconnect, PCI) the arbitrary and combination of a device and a PS2 device.
14. electronic installation according to claim 1 is characterized in that, wherein uses one by key control when above-mentioned electronic installation will return to above-mentioned duty by above-mentioned storer dormant state.
15. the awakening method of an electronic installation, above-mentioned electronic installation are suitable for disposing at least one non-hot plug device, it is characterized in that said method comprises:
When one of the arbitrary non-hot plug device of detecting changes state, produce a state change value;
Store above-mentioned state change value; And
When above-mentioned electronic installation will return to a duty by a storer dormant state, if detect above-mentioned state change value, above-mentioned electronic installation was carried out a normal boot-strap program.
16. the awakening method of electronic installation according to claim 15 is characterized in that, wherein carries out above-mentioned normal boot-strap program and comprises above-mentioned these non-hot plug devices are rescaned.
17. the awakening method of electronic installation according to claim 15 is characterized in that, wherein if do not detect above-mentioned state change value, above-mentioned electronic installation is carried out a storer dormancy recovery routine.
18. the awakening method of electronic installation according to claim 17 is characterized in that, wherein above-mentioned storer dormancy recovery routine is to use the supplemental characteristic in the storer, makes above-mentioned storer dormant state return to above-mentioned duty.
19. the awakening method of electronic installation according to claim 15, it is characterized in that, wherein detect the change state of arbitrary non-hot plug device, be according to each non-hot plug device the newly-increased of a corresponding non-hot plug device slot or when removing, produce above-mentioned state change value.
20. the awakening method of electronic installation according to claim 15 is characterized in that, wherein above-mentioned non-hot plug device comprises a storer.
21. the awakening method of electronic installation according to claim 20 is characterized in that, also comprises:
When increasing newly or removing above-mentioned storer, sever supply is to a power supply of above-mentioned storer.
22. the awakening method of storer dormancy according to claim 15 is characterized in that, wherein storing above-mentioned state change value is to be stored in a South Bridge chip buffer and a Super I/O chip buffer, and both are arbitrary.
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| CN200710170272.6A CN101436097B (en) | 2007-11-16 | 2007-11-16 | Electronic device and wake-up method thereof |
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| CN200710170272.6A CN101436097B (en) | 2007-11-16 | 2007-11-16 | Electronic device and wake-up method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809722A (en) * | 2011-05-30 | 2012-12-05 | 鸿富锦精密工业（深圳）有限公司 | Wake-up signal test system and test card thereof |
| CN103927194A (en) * | 2013-01-16 | 2014-07-16 | 纬创资通股份有限公司 | Computer device and starting method thereof, and basic input and output system marking method |
| CN108459882A (en) * | 2017-02-21 | 2018-08-28 | 佳能株式会社 | Electronic equipment and its control method |
| CN108459879A (en) * | 2018-01-17 | 2018-08-28 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method preventing terminal crash, terminal |
| US10174965B2 (en) | 2015-03-02 | 2019-01-08 | Xiaomi Inc. | Methods and apparatuses for switching state |
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2007
- 2007-11-16 CN CN200710170272.6A patent/CN101436097B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809722A (en) * | 2011-05-30 | 2012-12-05 | 鸿富锦精密工业（深圳）有限公司 | Wake-up signal test system and test card thereof |
| CN103927194A (en) * | 2013-01-16 | 2014-07-16 | 纬创资通股份有限公司 | Computer device and starting method thereof, and basic input and output system marking method |
| CN103927194B (en) * | 2013-01-16 | 2016-12-28 | 纬创资通股份有限公司 | Computer device and starting method thereof, and basic input and output system marking method |
| US10174965B2 (en) | 2015-03-02 | 2019-01-08 | Xiaomi Inc. | Methods and apparatuses for switching state |
| CN108459882A (en) * | 2017-02-21 | 2018-08-28 | 佳能株式会社 | Electronic equipment and its control method |
| CN108459879A (en) * | 2018-01-17 | 2018-08-28 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method preventing terminal crash, terminal |
| CN108459879B (en) * | 2018-01-17 | 2021-08-17 | 宇龙计算机通信科技(深圳)有限公司 | Method for preventing terminal from crashing and terminal |
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| CN101436097B (en) | 2014-12-10 |
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