CN101000559A - Method and system for exchange controlling data between power supply management unit and terminal opening master control unit - Google Patents
Method and system for exchange controlling data between power supply management unit and terminal opening master control unit Download PDFInfo
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- CN101000559A CN101000559A CN 200610001171 CN200610001171A CN101000559A CN 101000559 A CN101000559 A CN 101000559A CN 200610001171 CN200610001171 CN 200610001171 CN 200610001171 A CN200610001171 A CN 200610001171A CN 101000559 A CN101000559 A CN 101000559A
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Abstract
A control system of data interflow between power supply management unit and start-up master control unit comprises response module of system management interruption information, fetching module of start-up master control unit data, transmission module of start-up master control unit data and function start-up module of start-up master control unit.
Description
Technical field
The invention relates to a kind of computer information technology, particularly about data exchange control and system between a kind of Power Management Unit and start main control unit, be applied in a computer platform, and this computer platform must be equipped with BIOS (Basic Input/Output System) the start main control unit and an ACPI (the Advanced Configuration and Power Interface) Power Management Unit of support SMI (System ManagementInterrupt) system management interrupt function at least, to providing data to exchange control function between this ACPI Power Management Unit and this BIOS start main control unit.
Background technology
ACPI (Advanced Configuration and Power Interface) is a kind of dynamical computer mode and power management techniques, be widely used in various computer platform at present, comprise the webserver, desktop PC, notebook computer or the like, provide a dynamical state and a power management function to these computer platforms, make the application of power supply more economical and efficient.
In the R﹠D work of ACPI function, industry mostly adopts ASL (ACPI SourceLanguage) program language to write the functional module of ACPI at present; And when practical application, need earlier ASL original program code compile to be become AML (ACPI MachineLanguage) program code of machine code form, again the AML program code is written in the flash memory (Flash ROM), carries out required power management function by ACPI driver (ACPI driver) then.
When practical operation, the ACPI driver often need with BIOS (BasicInput/Output System) start main control unit, particularly POST wherein (Power On SelfTest) electric power starting self testing program produces some interactive data and exchanges relation.Yet actually, because the BIOS functional module mostly is to adopt c programming language or assembly language to write at present in research and development, therefore the Computer Engineer needs to write the ASL program code with the ASL program language simultaneously and also uses c programming language (or assembly language) to write relevant bios program code simultaneously when a certain ACPI function of development.Because ASL and C (or assembly language) are two kinds of diverse program languages of grammer, therefore obviously can cause very big inconvenience and puzzlement to the research staff of ACPI.In addition, whenever chipset needs to change, hardware design need be revised or bios program code need revise the time, the Computer Engineer not only needs to revise relevant bios program code, and also need to revise simultaneously relevant ASL program code, make the makeover process of ACPI function rather waste time and energy and inefficent.Again and, because the ASL/AML program code of ACPI function is relevant with chipset and hardware, so make the ASL/AML program code of ACPI function not have cross-platform executive capability.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, fundamental purpose of the present invention is to provide data exchange control and system between a kind of Power Management Unit and start main control unit, when the Computer Engineer revises the ACPI function at needs, needn't revise relevant ASL/AML program code fully, make that the makeover process of ACPI function is more convenient and efficient.
Another object of the present invention is to provide data exchange control and system between a kind of Power Management Unit and start main control unit, allow the ASL/AML program code of ACPI function have cross-platform executive capability.
Data exchange control and system are applied in a computer platform between Power Management Unit of the present invention and start main control unit, and this computer platform must be equipped with the BIOS start main control unit and an ACPI Power Management Unit of a support SMI system management interrupt function at least, to providing data to exchange control function between this ACPI Power Management Unit and this BIOS start main control unit.
The data exchange control comprises at least between Power Management Unit of the present invention and start main control unit: respond the various requirement information that this Power Management Unit sends in the system management interrupt mode and produce corresponding active information; If this Power Management Unit is sent a start main control unit data read and required information, then send a start main control unit data read active information; If this Power Management Unit is sent a start main control unit data transmission and required information, then send start main control unit data and transmit active information; If this Power Management Unit is sent a start main control unit function on requirement information, then send a start main control unit function on active information; Respond this start main control unit data read active information, carry out a start main control unit data read program, read out wherein temporary system state data the system state data working area under this start main control unit; And the system state data that reads out returned to this Power Management Unit; Respond these start main control unit data and transmit active information, carry out a start main control unit data convey program, send one group of service data to this start main control unit from this Power Management Unit; And respond this start main control unit function on active information, start the function that this start main control unit is carried out a correspondence.
On the entity framework, the data ac control system comprises at least between Power Management Unit of the present invention and start main control unit: a system management interrupt information response module can respond the various requirement information that this Power Management Unit sends in the system management interrupt mode and produces corresponding active information; If this Power Management Unit is sent a start main control unit data read and required information, then send a start main control unit data read active information; If this Power Management Unit is sent a start main control unit data transmission and required information, then send start main control unit data and transmit active information; If this Power Management Unit is sent a start main control unit function on requirement information, then send a start main control unit function on active information; One start main control unit data read module, can respond the start main control unit data read active information that this system management interrupt information response module is sent, carry out a start main control unit data read program, read out wherein temporary system state data the system state data working area under this start main control unit; And the system state data that reads out returned to this Power Management Unit by this system management interrupt information response module again; One start main control unit data transmitting module, can respond the start main control unit data transmission active information that this system management interrupt information response module is sent, carry out a start main control unit data convey program, send one group of service data to this start main control unit from this Power Management Unit; And a start main control unit function activation module, can respond the start main control unit function on active information that this system management interrupt information response module is sent, start the function that this start main control unit is carried out a correspondence.
The invention provides data exchange control and system between a kind of Power Management Unit and start main control unit, can carry, provide that data exchange control function between a Power Management Unit and the main control unit of starting shooting to a computer platform; The ACPI Power Management Unit is utilized SMI system management interrupt treatment mechanism to handle it to exchange with data between the BIOS start main control unit fully in invention, the present invention can allow the Computer Engineer when needs are revised the ACPI function, needn't remove to revise the affiliated ASL/AML program code of ACPI driver fully, make the makeover process of ACPI function more convenient.Effectively, and can allow the ASL/AML program code of ACPI function have cross-platform executive capability, and make program design work more simple and easy.
Description of drawings
Fig. 1 is that the data ac control system carries application mode synoptic diagram to a computer platform between Power Management Unit of the present invention and start main control unit;
Fig. 2 is the basic framework synoptic diagram of the Object Oriented OO component model of data ac control system between Power Management Unit of the present invention and start main control unit.
Embodiment
Embodiment
Fig. 1 promptly shows the application mode of data ac control system (as the square of label 100 indications) between Power Management Unit of the present invention and start main control unit.As shown in the figure, data ac control system 100 is to carry to a computer platform 10 in practical application between Power Management Unit of the present invention and start main control unit, the for example webserver, desktop PC or notebook computer, and this computer platform 10 must dispose a start main control unit 20 and a Power Management Unit 30 at least; Wherein this start main control unit 20 for example is a BIOS (BasicInput/Output System) functional module, and 30 of this Power Management Unit for example are the senior state of an ACPI (Advanced Configuration and Power Interface) and the functional module of power interface.
When practical operation, data ac control system 100 can provide a data exchange mechanism between the two to this ACPI Power Management Unit 30 and this BIOS start main control unit 20 between Power Management Unit of the present invention and start main control unit, allow ACPI Power Management Unit 30 read required system state data (PORT COM COM-A/B for example from the BIOS main control unit 20 of starting shooting, PS2-KB/MS, floppy drive, port arranged side by side or the like, it is state of activation or illegal state at present), send associative operation data (for example title of the operating system of carrying out at present) to this BIOS start main control unit 20, and order this BIOS start main control unit 20 on behalf of carrying out some function, for example activate the PS2-KB/MS arouse machine processed, activate Remote Wake Up mechanism (Wakeup on LAN), activate WOR mechanism (Wakeup on Ring), remove the wake-up states flag, stop fan running, set the power light state, with present system hibernates state (S0, S1, S4 or S5) be notified to BMC (Baseboard Management Controller) main frame management and control unit or the like.
As shown in Figure 2, the basic framework of the Object Oriented OO component model (object-oriented component model) of data ac control system 100 comprises at least between Power Management Unit of the present invention and start main control unit: (A) system management interrupt information response module 101; (B) a start main control unit data read module 110; (C) a start main control unit data transmitting module 120; And (D) start main control unit function activation module 130.On concrete enforcement, data ac control system 100 can be realized with computer program fully between Power Management Unit of the present invention and start main control unit, and this computer program for example is integrated into system management interrupt processing unit (SMI Handler) in BIOS (Basic Input/OutputSystem) ROM-BIOS in this computer platform 10 in add-on module (add-onmodule) mode of a piece of wood serving as a brake to halt a carriage body, and the SMI system management interrupt information of sending by ACPI Power Management Unit 30 fully, for example system management interrupt information (Software SMI) by software or park mode system management interrupt information (Sleep SMI) are transmitted SMI system management interrupt information, start and carry out required ACPI by these SMI system management interrupt information to exchange control function with data between BIOS.
The individual attribute and the function of each composition module in the data ac control system 100 between Power Management Unit of the present invention and start main control unit below are described respectively.
The module 10l of system management interrupt information response can respond the various requirement information that this ACPI Power Management Unit 30 sends in SMI system management interrupt mode and produce corresponding active information; Just require information, then responsively send a start main control unit data read active information to the main control unit data read module 110 of starting shooting if this ACPI Power Management Unit 30 is sent a start main control unit data read in the SMI mode; If this ACPI Power Management Unit 30 is sent a start main control unit data transmission in the SMI mode and required information, then responsively send start main control unit data and transmit active information to this start main control unit data transmitting module 120; If this ACPI Power Management Unit 30 is sent a start main control unit function on requirement information in the SMI mode, then responsively send a start main control unit function on active information to this start main control unit function activation module 130.On concrete enforcement, the ASL program language that ACPI Power Management Unit 30 adopts includes a SMI call instruction, its form for example is CALL_SMI (Command, Input Data, Output Data), wherein instruction, " the Input Data " of the function of the required execution of " Command " representative represent the data that will be sent to BIOS start main control unit 20 and the data that on behalf of BIOS start main control unit 20, " Output Data " return.It is noted that CALL_SMI used herein (Command, Input Data, Output Data) only is exemplary form; On concrete enforcement, for example in the ASL program language, this SMI call instruction may be to write with different equivalent forms.
Start main control unit data read module 110 can respond the start main control unit data read active information that said system management interrupt information response module 101 is sent, carry out a start main control unit data read program, so as to reading out wherein temporary system state data the system state data working area 21 under this BIOS start main control unit 20; And the system state data that reads out is passed through these system management interrupt information response module 101 passbacks give this ACPI Power Management Unit 30.On concrete enforcement, this system state data working area 21 for example is the region of memory of a SMMRAM (System Management Mode, Random Access Memory) or the region of memory of an EBDA (Extended BIOS Data Area).After BIOS start main control unit 20 complete POST electric power starting self testing programs, usually can be about to its hardware of collecting certainly is equipped with the system state data (being that these hardware are provided as state of activation or illegal state) of (for example comprise PORT COM COM-A/B, PS2-KB/MS, floppy drive, port or the like) side by side, all temporary system state data working areas 21 so far; Therefore from then on the main control unit data read module 110 of starting shooting reads required system state data in system state data working area 21, and gives ACPI Power Management Unit 30 with its passback.
Start main control unit data transmitting module 120 can respond the start main control unit data transmission active information that this system management interrupt information response module 101 is sent, carry out a start main control unit data convey program, send the one group of service data title of at present performed operating system (for example for) to this BIOS start main control unit 20 from this ACPI Power Management Unit 30 whereby.This function can allow ACPI Power Management Unit 30 transmit any data to BIOS start main control unit 20 by SMI system break treatment mechanism.
Start main control unit function activation module 130 can respond the start main control unit function on active information that said system management interrupt information response module 101 is sent, start this BIOS start main control unit 20 and carry out the function of a correspondence, for example activate the PS2-KB/MS arouse machine processed, activate Remote Wake Up mechanism (Wakeup on LAN), activate WOR mechanism (Wakeup onRing), remove the wake-up states flag, stop fan running, set the power light state, with present system hibernates state (S0, S1, S4 or S5) be notified to BMC (BaseboardManagement Controller) main frame management and control unit or the like.This function can allow ACPI Power Management Unit 30 by SMI system break treatment mechanism, and some is not suitable for the function by 30 execution of ACPI Power Management Unit to order BIOS start main control unit 20 on behalf of execution.For instance, before computer platform 10 enters dormant state, there is the work of 2 time points to carry out by the start shooting intervention of main control unit 20 of BIOS; Wherein the 1st time point be among the ACPI _ PTS program (Method) is when being performed, when the 2nd time point then will enter the final time point of dormant state of S1-S5 for the hardware of system.After leaving dormant state, computer platform 10 have the work of 1 time point must have BIOS start main control unit 20 to get involved execution; This time point is among the ACPI _ WAK program (Method) is when being performed when the dormant state of S1-S5 is waken up (just from).
The present invention also provides data exchange control between a kind of this Power Management Unit and start main control unit, this method comprises at least: at first, respond the various requirement information that this Power Management Unit sends in the system management interrupt mode and produce corresponding active information; If this Power Management Unit is sent a start main control unit data read and required information, then send a start main control unit data read active information; If this Power Management Unit is sent a start main control unit data transmission and required information, then send start main control unit data and transmit active information; If this Power Management Unit is sent a start main control unit function on requirement information, then send a start main control unit function on active information; Secondly, respond this start main control unit data read active information, carry out a start main control unit data read program, read out wherein temporary system state data the system state data working area under this start main control unit; And the system state data that reads out returned to this Power Management Unit; Subsequently, respond these start main control unit data and transmit active information, carry out a start main control unit data convey program, send one group of service data to this start main control unit from this Power Management Unit; And last, respond this start main control unit function on active information, start the function that this start main control unit is carried out a correspondence.
Below promptly utilize an application example that the mode of operation of data ac control system 100 when practical application between Power Management Unit of the present invention and start main control unit is described.
Please consult Fig. 1 and Fig. 2 simultaneously, when practical application, when ACPI Power Management Unit 30 desires when BIOS start main control unit 20 reads the system state data (being that BIOS POST program was collected system state data) of this computer platform 10, can utilize SMI system management interrupt mode to send a start main control unit data read requires information to data ac control system 100 between Power Management Unit of the present invention and start main control unit, system management interrupt information response module 101 is responsively sent a start main control unit data read active information to the main control unit data read module 110 of starting shooting, start main control unit data read module 110 is responsively carried out a start main control unit data read program, the system state data that reads out wherein the system state data working area 21 under this BIOS start main control unit 20 to be kept in; And the system state data that reads out is passed through these system management interrupt information response module 101 passbacks again give this ACPI Power Management Unit 30.
When ACPI Power Management Unit 30 will send one group of service data to BIOS start main control unit 20, can utilize SMI system management interrupt mode to send a start main control unit data transmission requires information to data ac control system 100 between Power Management Unit of the present invention and start main control unit, system management interrupt information response module 101 is responsively sent start main control unit data and is transmitted active information to the main control unit data transmitting module 120 of starting shooting, start main control unit data transmitting module 120 is responsively carried out a start main control unit data convey program, should organize service data whereby and send this BIOS start main control unit 20 to from this ACPI Power Management Unit 30.
When ACPI Power Management Unit 30 will be ordered BIOS start main control unit 20 on behalf of some specific function of execution, can utilize SMI system management interrupt mode to send a start main control unit function on requirement information to data ac control system 100 between Power Management Unit of the present invention and start main control unit, system management interrupt information response module 101 is responsively sent a start main control unit function on active information to the main control unit function activation module 130 of starting shooting, order start main control unit function activation module 130 responsively starts this BIOS start main control unit 20 and carries out required function, for example activate the PS2-KB/MS arouse machine processed, activation Remote Wake Up mechanism, activation WOR mechanism, remove the wake-up states flag, stop fan running, set the power light state, with present system hibernates state (S0, S1, S4 or S5) data send BMC main frame management and control unit or the like to.
Data ac control system 100 is to allow the ASL/AML program code of ACPI driver have cross-platform executive capability in the concrete advantage of implementing and using when using (promptly specifically realize with computer program and) between Power Management Unit of the present invention and start main control unit; Just the ACPI driver of program development staff development can be revised its ASL/AML program code, can carry out on other is equipped with the computer platform of multi-form control chip module and hardware.In order to allow the ACPI driver have cross-platform executive capability, its relevant ASL/AML program code can be detached out from its original affiliated chipset and hardware (for example chip module and BMC chip module are gone in north bridge chips module, South Bridge chip module, the super output of SIO), and carries out the function that these originally were attached to these control chip modules by BIOS start main control unit fully.This practice can make program design work more simple and easy.
Generally speaking, the invention provides data exchange control and system between a kind of Power Management Unit and start main control unit, can carry, provide that data exchange control function between a Power Management Unit and the main control unit of starting shooting to a computer platform; The ACPI Power Management Unit is utilized SMI system management interrupt treatment mechanism to handle it to exchange with data between the BIOS start main control unit fully in invention, the present invention can allow the Computer Engineer when needs are revised the ACPI function, needn't remove to revise the affiliated ASL/AML program code of ACPI driver fully, make the makeover process of ACPI function more convenient.Effectively, and can allow the ASL/AML program code of ACPI function have cross-platform executive capability, and make program design work more simple and easy.
Claims (15)
1. data exchange control between Power Management Unit and start main control unit, be applied in a computer platform, and this computer platform must be equipped with a start main control unit and a Power Management Unit at least, to providing a data exchange mechanism between this Power Management Unit and this start main control unit; It is characterized in that the data exchange control comprises at least between this Power Management Unit and start main control unit:
Respond the various requirement information that this Power Management Unit sends in the system management interrupt mode and produce corresponding active information; If this Power Management Unit is sent a start main control unit data read and required information, then send a start main control unit data read active information; If this Power Management Unit is sent a start main control unit data transmission and required information, then send start main control unit data and transmit active information; If this Power Management Unit is sent a start main control unit function on requirement information, then send a start main control unit function on active information;
Respond this start main control unit data read active information, carry out a start main control unit data read program, read out wherein temporary system state data the system state data working area under this start main control unit; And the system state data that reads out returned to this Power Management Unit;
Respond these start main control unit data and transmit active information, carry out a start main control unit data convey program, send one group of service data to this start main control unit from this Power Management Unit; And
Respond this start main control unit function on active information, start the function that this start main control unit is carried out a correspondence.
2. data exchange control between Power Management Unit as claimed in claim 1 and start main control unit is characterized in that this computer platform is a webserver.
3. data exchange control between Power Management Unit as claimed in claim 1 and start main control unit is characterized in that this computer platform is a desktop PC.
4. data exchange control between Power Management Unit as claimed in claim 1 and start main control unit is characterized in that this computer platform is a notebook computer.
5. data exchange control between Power Management Unit as claimed in claim 1 and start main control unit is characterized in that this start main control unit is a BIOS functional module, and this Power Management Unit then is the functional module of an ACPI formula.
6. data exchange control between Power Management Unit as claimed in claim 1 and start main control unit is characterized in that this system state data working area is the region of memory of a SMM RAM.
7. data exchange control between Power Management Unit as claimed in claim 1 and start main control unit is characterized in that this system state data working area is the region of memory of an EBDA.
8. data ac control system between Power Management Unit and start main control unit, lift-launch to one computer platform, and this computer platform must be equipped with a start main control unit and a Power Management Unit at least, to providing a data exchange mechanism between this Power Management Unit and this start main control unit; It is characterized in that the data ac control system comprises at least between this Power Management Unit and start main control unit:
One system management interrupt information response module can respond the various requirement information that this Power Management Unit sends in the system management interrupt mode and produces corresponding active information; If this Power Management Unit is sent a start main control unit data read and required information, then send a start main control unit data read active information; If this Power Management Unit is sent a start main control unit data transmission and required information, then send start main control unit data and transmit active information; If this Power Management Unit is sent a start main control unit function on requirement information, then send a start main control unit function on active information;
One start main control unit data read module, can respond the start main control unit data read active information that this system management interrupt information response module is sent, carry out a start main control unit data read program, read out wherein temporary system state data the system state data working area under this start main control unit; And the system state data that reads out returned to this Power Management Unit by this system management interrupt information response module again;
One start main control unit data transmitting module, can respond the start main control unit data transmission active information that this system management interrupt information response module is sent, carry out a start main control unit data convey program, send one group of service data to this start main control unit from this Power Management Unit; And
One start main control unit function activation module can respond the start main control unit function on active information that this system management interrupt information response module is sent, and starts the function that this start main control unit is carried out a correspondence.
9. data ac control system between Power Management Unit as claimed in claim 8 and start main control unit is characterized in that this computer platform is a webserver.
10. data ac control system between Power Management Unit as claimed in claim 8 and start main control unit is characterized in that this computer platform is a desktop PC.
11. data ac control system between Power Management Unit as claimed in claim 8 and start main control unit is characterized in that this computer platform is a notebook computer.
12. data ac control system between Power Management Unit as claimed in claim 8 and start main control unit is characterized in that this start main control unit is a BIOS functional module, this Power Management Unit then is the functional module of an ACPI formula.
13. data ac control system between Power Management Unit as claimed in claim 8 and start main control unit is characterized in that this system state data working area is the region of memory of a SMM RAM.
14. data ac control system between Power Management Unit as claimed in claim 8 and start main control unit is characterized in that this system state data working area is the region of memory of an EBDA.
15. data ac control system between Power Management Unit as claimed in claim 8 and start main control unit is characterized in that this system is the system management interrupt processing unit that is integrated among the BIOS.
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| CN 200610001171 CN101000559A (en) | 2006-01-13 | 2006-01-13 | Method and system for exchange controlling data between power supply management unit and terminal opening master control unit |
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| CN 200610001171 CN101000559A (en) | 2006-01-13 | 2006-01-13 | Method and system for exchange controlling data between power supply management unit and terminal opening master control unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011006298A1 (en) * | 2009-07-15 | 2011-01-20 | Huo Weimin | Control module group for computer power standby-supplying |
| WO2012143945A2 (en) * | 2011-04-18 | 2012-10-26 | Ineda Systems Pvt. Ltd | Power management in multi host computing systems |
-
2006
- 2006-01-13 CN CN 200610001171 patent/CN101000559A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011006298A1 (en) * | 2009-07-15 | 2011-01-20 | Huo Weimin | Control module group for computer power standby-supplying |
| WO2012143945A2 (en) * | 2011-04-18 | 2012-10-26 | Ineda Systems Pvt. Ltd | Power management in multi host computing systems |
| WO2012143945A3 (en) * | 2011-04-18 | 2013-01-17 | Ineda Systems Pvt. Ltd | Power management in multi host computing systems |
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