CN106951358A - A kind of quick display status information method and system during computer system power-on self-test based on UEFI standards - Google Patents
A kind of quick display status information method and system during computer system power-on self-test based on UEFI standards Download PDFInfo
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- CN106951358A CN106951358A CN201710067101.4A CN201710067101A CN106951358A CN 106951358 A CN106951358 A CN 106951358A CN 201710067101 A CN201710067101 A CN 201710067101A CN 106951358 A CN106951358 A CN 106951358A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/328—Computer systems status display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2284—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing by power-on test, e.g. power-on self test [POST]
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Abstract
The present invention relates to the field of computer based on UEFI standards, and in particular to a kind of quick display status information method during computer system power-on self-test based on UEFI standards, the quick display status information method includes step：Set up the first display program and corresponding display module interface；PEI phase each module by display module interface, call the first display program, the status information for showing each module；Set up the second display program and corresponding display driving interface；Display driving interface is respectively driven through in DXE phase, the second display program is called, the status information for showing each driving.The invention further relates to quick display status information system during a kind of computer system power-on self-test based on UEFI standards.The present invention is in the case where that additionally need not increase hardware, and the computer system based on UEFI standards is in power-on self-test, and user is it is seen that each key modules or driving condition and information of the computer system based on UEFI standards.
Description
Technical field
The present invention relates to the field of computer based on UEFI standards, and in particular to a kind of calculating based on UEFI standards
Quick display status information method and system during machine system electrification self-inspection.
Background technology
Server is to require very high in disposal ability, stability, reliability, security, scalability, manageability etc.
Offer calculate service equipment.
The exploitation commercial city of current server is that server system hardware and correlation function are carried out initially using UEFI BIOS
Change, and lead into operating system.Based on UEFI standards, UEFI a total of SEC, PEI, DXE, BDS four-stages and composition portion
Point, and arrived BDS phase UEFI and just started to open at display controller progress effectively output to display.Wherein, new UEFI, entirely
Claim " unified Extensible Firmware Interface " (Unified Extensible Firmware Interface), be that one kind is retouched in detail
State the standard of style interface.This interface is used for the automatic operating environment from pretrigger of operating system, is loaded into a kind of operation system
On system.
Wherein SEC phase is mainly initialized including setting protected mode, MTRR initialization, MP initialization, Cache
As RAM initialization；PEI phase mainly initializes initial including the bridge joint between basic Chipset initialization, CPU and CPU
Change, CPU initialization, the initialization of internal memory, Board initialization；DXE phase mainly initialize offer various DXE drivings and
EFI drives, for DXE and BDS phase load operating, these drivings mainly include Chipset drivings, CPU drivings, SMM drivings,
Device drives, BUS drivings and related service driving；BDS phase mainly initializes the EFI drivings for being to provide by DXE and goes to build
Vertical carry input-output equipment (display, keyboard, mouse, network etc.) and loading can starting device guiding operating systems.
Complexity and powerful functional performance demand based on server component, the most most important hardware of server
It must all be completed with function initialization in PEI, DXE phase.
Particularly in PEI phase, UEFI will complete the core component on server, such as internal memory, CPU, management mould
The initialization of other chipsets on block, and system, simultaneity factor will complete all related function modules and defeated in DXE phase
Enter/drive load of output equipment and the distribution of system resource.PEI and DXE phase occupy the very long time, whole
Start service process in occupy over about 85% time.Exactly in the two very important initial phases, UEFI BIOS
The display function of system is not realized.
Because system takes the very long time in PEI and DXE phase, user can not directly see modules, each
Detecting whether for individual equipment is normal, and whether resource allocation is correct.If system is in PEI, DXE phase error is crashed, due to not having
It has been shown that, what user can not be simple and quick discovers problems and solve them, if server is moved back into developer solves problem, increase
Cost.
If server configuration is relatively high, the equipment to be detected can be more, only CPU and memory part
Training detection times are accomplished by several minutes, along with the Training of other I/O equipment detects that the available machine time opened 3
Minute can turn into normality.Because conventional server apparatus detection display device is etc. that all miscellaneous equipments are all detected
Complete, just can deinitialization and detection.So early stage hardware device detection-phase, display interface does not have any output.It is conventional
Start process in order to distinguish some miscues routinely, it will usually add buzzer call in internal memory out-of-the way position
Prompting, points out memory abnormal, because the method that buzzer identifies exception is single so more abnormal informations can not be identified.And then
Cause electricity this very long a few minutes clock time user into System self-test complete process on system boot to wait, be without knowing
Whether system is normally running.Once the not display problem of prompting can not be provided by running into buzzer, user can not also understand system
Which stage has been parked on earth.These problems have a strong impact on the experience that server is given to user.
With information technology, the development of internet and cloud computing, more and more to server demands, performance is more and more stronger
Greatly, function is more and more perfect, based on above mentioned problem, how to allow after the upper electricity of server start, just has display output at once and can be with
It is very important to show current status information.
The content of the invention
The technical problem to be solved in the present invention is that the drawbacks described above for prior art is marked there is provided one kind based on UEFI
Quick display status information method during the computer system power-on self-test of standard, in the upper of the computer system based on UEFI standards
In electric process of self-test, by current key position and its corresponding status information showing completely.
The technical problem to be solved in the present invention is that the drawbacks described above for prior art is marked there is provided one kind based on UEFI
Quick display status information system during the computer system power-on self-test of standard, in the upper of the computer system based on UEFI standards
In electric process of self-test, by current key position and its corresponding status information showing completely.
The technical solution adopted for the present invention to solve the technical problems is：A kind of department of computer science based on UEFI standards is provided
Unite power-on self-test when quick display status information method, should computer system based on UEFI standards in power-on self-test successively
Into PEI phase and DXE phase, the quick display status information method includes step：Set up the first display program and corresponding
Display module interface；PEI phase each module by display module interface, the first display program is called, for showing each mould
The status information of block；Set up the second display program and corresponding display driving interface；Driven in the display that is respectively driven through of DXE phase
Mobile interface, calls the second display program, the status information for showing each driving.
Wherein, preferred version is：The computer system based on UEFI standards includes a display controller, and passes through display
Controller is connected with display；Wherein, PEI phase each module by display module interface, call the first display program,
The status information of each module is shown on display；Display driving interface is respectively driven through in DXE phase, the second display journey is called
Sequence, shows the status information of each driving over the display.
Wherein, the step of preferred version is the first display program of setting up or the second display program includes：Carry display control
Device；According to the bridge joint amount of display controller, the BUS numbers of distribution correspondence series；Deposited according to the memory address of display controller
Device, storage allocation resource；According to the I/O address register of display controller, input/output resource is distributed.
Wherein, the step of preferred version is the first display program of setting up or the second display program also includes：Initialize video card
The configuration of hardware；Display pattern is set；Fill character is into video memory.
Wherein, preferred version is：The display module interface is PPI interfaces, and the display driving interface is Protocol interfaces.
Wherein, preferred version is：According to industrial standard PCIE agreements, the BUS numbers of distribution correspondence series, and distribution are interior
Deposit resource and distribution input/output resource.
Wherein, preferred version is：The computer system based on UEFI standards enters BDS phase after DXE phase, again
Initialization video card simultaneously guides operating system.
Wherein, preferred version is：The computer system based on UEFI standards is the server system based on UEFI standards.
The technical solution adopted for the present invention to solve the technical problems is：A kind of department of computer science based on UEFI standards is provided
Unite power-on self-test when quick display status information system, should computer system based on UEFI standards in power-on self-test successively
Into PEI phase and DXE phase, be somebody's turn to do the computer system based on UEFI standards includes some modules in PEI phase, and this is based on
The computer system of UEFI standards includes some drivings in DXE phase, and the quick display status information system includes：First display
Program, the status information for showing each module；Display module interface, the display module interface is connected with the first display program,
PEI phase each module by display module interface, call the first display program；Second display program, for showing each drive
Dynamic status information；Driving interface is shown, the display driving interface is connected with the second display program, in each driving of DXE phase
By showing driving interface, the second display program is called.
Wherein, preferred version is：The computer system based on UEFI standards includes a display controller, and passes through display
Controller is connected with display；Wherein, PEI phase each module by display module interface, call the first display program,
The status information of each module is shown on display；Display driving interface is respectively driven through in DXE phase, the second display journey is called
Sequence, shows the status information of each driving over the display.
The beneficial effects of the present invention are compared with prior art, the present invention is a kind of based on UEFI standards by designing
Quick display status information method and system during computer system power-on self-test, need not additionally increase the situation of hardware
Under, the computer system based on UEFI standards is in power-on self-test, and user is it is seen that the department of computer science based on UEFI standards
Each key modules or driving condition and information of system, strengthen and improve Consumer's Experience；Meanwhile, UEFI can be based on intelligent display
The basic health and fitness information of the power supply of the computer system of standard, fan, temperature etc., can also display management network interface MAC/IP
Address, is easy to management of the user to the computer system based on UEFI standards；And, the computer system based on UEFI standards exists
During power-on self-test, if wrong produce, cost can be reduced by the rapid misarrangement of error message.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the schematic flow sheet of quick display status information method of the invention；
Fig. 2 is the schematic flow sheet that the present invention sets up the first display program and the second display program；
Fig. 3 is the schematic flow sheet of the quick display status information method of PEI phase of the present invention；
Fig. 4 is the schematic flow sheet of the quick display status information method of DXE phase of the present invention；
Fig. 5 is the structured flowchart of the first embodiment of quick display status information system of the invention；
Fig. 6 is the structured flowchart of the second embodiment of quick display status information system of the invention.
Embodiment
In conjunction with accompanying drawing, presently preferred embodiments of the present invention is elaborated.
As shown in figure 1, the quick display when present invention provides a kind of computer system power-on self-test based on UEFI standards
The preferred embodiment of status information approach.Wherein, Fig. 1 is the schematic flow sheet of quick display status information method of the invention.
A kind of quick display status information method during computer system power-on self-test based on UEFI standards, this is based on
The computer system of UEFI standards sequentially enters PEI phase and DXE phase in power-on self-test, the quick display status information side
Method includes step：
Set up the first display program and corresponding display module interface；Connect in each module of PEI phase by display module
Mouthful, the first display program is called, the status information for showing each module；
Set up the second display program and corresponding display driving interface；Connect in the display driving that is respectively driven through of DXE phase
Mouthful, the second display program is called, the status information for showing each driving.
According to actual needs, during the BIOS POST of the computer system based on UEFI standards, to each key node
State and information be defined, and display output instructed be embedded into the BIOS of the computer system based on UEFI standards
Each key position during POST；And then, can will be current during the computer system power-on based on UEFI standards
The position of BIOS POST processes and status information showing completely.
Quick display status information method is comprised the following steps that：
S11, into PEI phase；
S12, set up the first display program and corresponding display module interface；
S13, PEI phase each module by display module interface, the first display program is called, for showing each module
Status information.
S21, into DXE phase；
S22, set up the second display program and corresponding display driving interface；
S23, in DXE phase display driving interface is respectively driven through, the second display program is called, for showing each driving
Status information.
Wherein, the module in the PEI phase mainly includes CPU2CPU bridge modules, CPU module, memory modules, system administration
Module, system security module, other chipset modules and PEI service modules in computer system；Driving in the DXE phase
Mainly include Chipset drivings, CPU drivings, SMM drivings, device drives, BUS drivings and DXE service drivings.
Further, it is somebody's turn to do the computer system based on UEFI standards and enters BDS phase, UEFI BIOS is in itself according to BIOS
Start-up course initializes video card and guides operating system again.Specifically, until the final stage of BIOS POST processes
BDS phase, then initial configuration information (i.e. PEI phase and DXE phase) will be removed before this, carry out conventional loading VBIOS
ROM is simultaneously reinitialized, the rear stage for entering the conventional guiding operating systems of BDS to display card.Wherein POST is Power On
Self Test, that is, power-on self-test.BIOS is Base Input/Output System, and that refer to is exactly UEFI.
Further, being somebody's turn to do the computer system based on UEFI standards includes a display controller, and passes through display controller
It is connected with display.PEI phase each module by display module interface, call the first display program, show over the display
Show the status information of each module；Display driving interface is respectively driven through in DXE phase, the second display program is called, in display
The status information of each driving is shown on device.
In the present embodiment, it is somebody's turn to do the server system that the computer system based on UEFI standards is preferably based on UEFI standards
System.
In the present embodiment, the display module interface is PPI interfaces, and the display driving interface is Protocol interfaces.
As shown in Fig. 2 the present invention provides the preferred embodiment of the method for the first display program of setting up and the second display program.
Wherein, Fig. 2 is the schematic flow sheet that the present invention sets up the first display program and the second display program.
The step of by the first display program or the second display program, includes：
S31, carry display controller；
S32, the bridge joint amount according to display controller, the BUS numbers of distribution correspondence series；
S33, the internal memory-address register according to display controller, storage allocation resource；
S34, the I/O address register according to display controller, distribute input/output resource.
Further, the quick display status information method also includes step：
S35, the configuration for initializing video card hardware；
S36, setting display pattern；
S37, fill character are into video memory.
In step S31, the PCIE Root Port to wanting carry display controller are configured correct bandwidth, if
The bandwidth put is determined by the bandwidth of display controller.
In step s 32, according to industrial standard PCIE agreements, sentenced by the Header Type registers of display controller
Whether disconnected display controller has bridge joint.If bridge joint, first order BUS numbers are first distributed on PCIE Root Port；Enter again
Distribution principle of one step based on the first order, the distribution of BUS numbers is carried out to second bridge joint.And so on, how many bridge joint, just
Need to carry out how many grades of BUS number assignments, and according to industrial standard PCIE agreements, the BUS numbers of distribution correspondence series.
In step S33, according to industrial standard PCIE agreements, by the internal memory-address register of display controller, pass through
0FFFFFFFFh is write to this register, the next value that then will read back determines required memory size, and then foundation is calculated
Required memory size storage allocation out, the plot of this internal memory is write in this register, then by command register
The core position 1 of device allows memory read-write effective.
In step S34, according to industrial standard PCIE agreements, by the I/O address register of display controller, by writing
0FFFFFFFFh is to this register, the input/output space size required for then next value of reading back is determined, then foundation is calculated
Required I/O sizes distribution input/output space out, this I/O plot is write in this register, then by command register
To allow I/O to read and write effective for I/O positions 1.
In step s 35, including step：1st, VGA is enabled by I/O address first；2nd, the synchronization of horizontal and vertical scanning
Polarity is selected；3rd, the decoding of video card internal gating I/O and internal memory；4 then by extended register to VGA, such as PCI control
Pattern carries out I/O, the access module of internal memory and configured；5th, video card unblock is carried out；6th, video card internal memory is finally initialized.
In step S36, including step：1st, before Setting pattern, carry out closing display function setting, purpose allows following
Setting comes into force；2nd, selected by VGA Misc. register pairs I/O address (3Bx or 3Dx), enable video memory, video card clock frequency
Selection, the polarity of screen level/vertical scanning are set；3rd, reflected by VGA Sequential register pairs clock module, character
Selection parameter is penetrated to be configured；4th, by VGA CRT register pair rows, row, cursor display pattern is configured；5th, VGA is passed through
Attribute/Graphics Control register pairs are mixed colours, pixel, and graphic model etc. is configured；6th, posted by RAMDAC
Storage carries out digital-to-analogue conversion setting；7th, loading text pattern character library, video memory is put into by the 0x00-0xFF in ASCII character table
Gone inside 0xA0000；8th, video memory 0xB0000h is emptied；9th, it is above be provided with after, open display function.
In step S37, the character of display required for being put into toward video memory 0xB8000h the insides, to realize that character is shown in
On screen.
As shown in Figure 3 and Figure 4, the present invention provides a kind of preferred embodiment of quick display status information method.Wherein, scheme
3 be the schematic flow sheet of the quick display status information method of PEI phase of the present invention；Fig. 4 is that DXE phase of the present invention quickly shows shape
The schematic flow sheet of state information approach.
Set up the corresponding display module interface of the first display program or the and the corresponding display driving interface of display program, lead to
Cross display module interface interchange first and show program, and by showing that driving interface calls the second display program.
With reference to Fig. 3, if user wonders each module initialization state of PEI phase, user just can be by each mould
Corresponding PPI interface interchanges first show program in block, so as to realize the Dynamic Announce of corresponding function init state, i.e., as walked
Rapid S131, realizes definition and calls, in step S132, according to calling display status information.With reference to Fig. 4, if user wants to know
Each driving init state of road DXE phase, user can just pass through the corresponding Protocol interface interchanges in each driving
Second display program, so as to realize the Dynamic Announce of corresponding function init state, i.e., such as step S231, realizes definition and adjusts
With in step S232, according to calling display status information.
Specifically, first according to PI and UEFI specification, PEI and the function PPI and Protocol in the two stages of DXE, association
View interface cannot be called mutually, so doing same initial work to video card in two steps, first is set up in PEI phase
Display program, and the corresponding module of Search and Orientation, can call the first display program to be shown after positioning successfully with regard to the module
Show；The second display program, and the corresponding driving of Search and Orientation are set up in DXE phase, should be driven after positioning successfully to adjust
Shown with the second display program.
In PEI phase, 3 suction parameters are set, two of which is " * * PeiServices " and " * This " are UEFI/
PI regulations when creating PEI module need；" * String ", are just shown on screen an another suction parameter parameter
Character, the content of this character is to set result phase and the demand according to customer/user by different modules, different modules
Come what is set.
Six essential variables are defined in addition, wherein " Rp_Bus ", " Rp_Dev ", " Rp_Fun " these three variables are true
The video card in the computer system based on UEFI standards is scheduled on, is hung on chip on which PCIE root port, is led to
Cross above-mentioned steps S31 to S34 realizations；Wherein, " displaymode " variable determines which type of pattern to show character with.This hair
Bright support text and figure both of which show character, wherein being designed as in the text mode, passes through " # " word in the middle of middle screen
The set of symbol shows project name or Business Name required for developer or client, and PEI ranks are shown in the bottom of screen
The status information of each functional module of section, in such a mode, can also control the color of font and the blinking attribute of font to set
Put；If showing character with graphic model, the present invention only supports PEI status informations, the display of this status information by " X " and
" Y " the two variables determine that character is shown in the optional position on screen.
In DXE phase, setting 1 suction parameter, " * String " are just shown in the character on screen, are just shown in
Character on screen, the content of this character be by it is different drive, different drivings sets result phase and according to client/use
The demand at family is set.
Six essential variables are defined in addition, wherein " Rp_Bus ", " Rp_Dev ", " Rp_Fun " these three variables are true
The video card in the computer system based on UEFI standards is scheduled on, is hung on chip on which PCIE root port, by upper
State step S31 to S34 realizations；Wherein, " displaymode " variable determines which type of pattern to show character with.Show character
Mode it is consistent with the display character mode of PEI phase, just do not describe one by one again.
By step S31 to S34, system first must get on video card carry, distribute internal memory, input/output resource it
Afterwards, system can just be set with video card, the transmission of data etc. is exchanged；Then by step S35 to S36, initial configuration shows
The display properties parameter of card itself；Finally by variable " X " and " Y ", by parameter, " * String " character is shown in VGA controls
Gone above platform.
As shown in Figure 5 and Figure 6, it is quick when the present invention provides a kind of computer system power-on self-test based on UEFI standards
The preferred embodiment of display status information system.
A kind of quick display status information system during computer system power-on self-test based on UEFI standards, this is based on
The computer system of UEFI standards sequentially enters PEI phase and DXE phase in power-on self-test, should the calculating based on UEFI standards
Machine system includes some modules 11 in PEI phase, and be somebody's turn to do the computer system based on UEFI standards includes some drivings in DXE phase
12, the quick display status information system includes：
First display program 31, the status information for showing each module 11；Display module interface 21, the display module connects
Mouthfuls 21 are connected with the first display program 31, PEI phase each module 11 by display module interface 21, call the first display journey
Sequence 31；Second display program 32, the status information for showing each driving 12；Show driving interface 22, the display driving interface
22 are connected with the second display program 32, in each driving 12 of DXE phase by showing driving interface 22, call the second display program
32。
Further, being somebody's turn to do the computer system based on UEFI standards includes a display controller 41, and passes through display control
Device 41 is connected with display 42；Wherein,
PEI phase each module 11 by display module interface 21, call the first display program 31, on the display 42
Show the status information of each module 11；In each driving 12 of DXE phase by showing driving interface 22, the second display program is called
32, the status information of each driving 12 is shown on the display 42.
With as described above, only preferred embodiment is not intended to limit the scope of the present invention, Fan Yiben
The equivalent change or modification that patent application the scope of the claims is made, is all that the present invention is covered.
Claims (10)
1. a kind of quick display status information method during computer system power-on self-test based on UEFI standards, should be based on UEFI
The computer system of standard sequentially enters PEI phase and DXE phase in power-on self-test, it is characterised in that this quickly shows shape
State information approach includes step：
Set up the first display program and corresponding display module interface；
PEI phase each module by display module interface, call the first display program, for show each module state believe
Breath；
Set up the second display program and corresponding display driving interface；
Display driving interface is respectively driven through in DXE phase, the second display program is called, the state for showing each driving is believed
Breath.
2. quick display status information method according to claim 1, it is characterised in that：The calculating based on UEFI standards
Machine system includes a display controller, and is connected by display controller with display；Wherein,
PEI phase each module by display module interface, call the first display program, each module shown over the display
Status information；Display driving interface is respectively driven through in DXE phase, the second display program is called, shows each over the display
The status information of driving.
3. quick display status information method according to claim 2, it is characterised in that set up the first display program or
The step of two display programs, includes：
Carry display controller；
According to the bridge joint amount of display controller, the BUS numbers of distribution correspondence series；
According to the internal memory-address register of display controller, storage allocation resource；
According to the I/O address register of display controller, input/output resource is distributed.
4. quick display status information method according to claim 3, it is characterised in that set up the first display program or
The step of two display programs, also includes：
Initialize the configuration of video card hardware；
Display pattern is set；
Fill character is into video memory.
5. quick display status information method according to claim 1 or 2, it is characterised in that：The display module interface is
PPI interfaces, the display driving interface is Protocol interfaces.
6. quick display status information method according to claim 3, it is characterised in that：Assisted according to industrial standard PCIE
View, the BUS numbers of distribution correspondence series, and storage allocation resource and distribution input/output resource.
7. quick display status information method according to claim 1, it is characterised in that：The calculating based on UEFI standards
Machine system enters BDS phase after DXE phase, and video card is initialized again and operating system is guided.
8. quick display status information method according to claim 1, it is characterised in that：The calculating based on UEFI standards
Machine system is the server system based on UEFI standards.
9. quick display status information system during a kind of computer system power-on self-test based on UEFI standards, should be based on UEFI
The computer system of standard sequentially enters PEI phase and DXE phase in power-on self-test, it is characterised in that should be based on UEFI marks
Accurate computer system includes some modules in PEI phase, if be somebody's turn to do the computer system based on UEFI standards includes in DXE phase
Dry driving, the quick display status information system includes：
First display program, the status information for showing each module；
Display module interface, the display module interface with first display program be connected, PEI phase each module by showing mould
Block interface, calls the first display program；
Second display program, the status information for showing each driving；
Driving interface is shown, the display driving interface is connected with the second display program, is driven in the display that is respectively driven through of DXE phase
Mobile interface, calls the second display program.
10. quick display status information system according to claim 9, it is characterised in that：The meter based on UEFI standards
Calculation machine system includes a display controller, and is connected by display controller with display；Wherein,
PEI phase each module by display module interface, call the first display program, each module shown over the display
Status information；Display driving interface is respectively driven through in DXE phase, the second display program is called, shows each over the display
The status information of driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067101.4A CN106951358A (en) | 2017-02-07 | 2017-02-07 | A kind of quick display status information method and system during computer system power-on self-test based on UEFI standards |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067101.4A CN106951358A (en) | 2017-02-07 | 2017-02-07 | A kind of quick display status information method and system during computer system power-on self-test based on UEFI standards |
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| CN106951358A true CN106951358A (en) | 2017-07-14 |
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| CN109936716A (en) * | 2019-03-25 | 2019-06-25 | 龙芯中科技术有限公司 | A kind of realization method and system of display driving |
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| CN117950738A (en) * | 2024-03-25 | 2024-04-30 | 深圳市磐鼎科技有限公司 | Automatic control method, device and equipment for display card and storage medium |
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