CN109725943A - A kind of programming jump method, apparatus, electronic equipment and storage medium - Google Patents
A kind of programming jump method, apparatus, electronic equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the invention provides a kind of programming jump method and apparatus, the described method includes: obtaining the jump instruction for the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor, execute jump instruction, into the SEC phase program of UEFI, SEC phase program includes assembler and high-level language programs, execute assembler, when to MIPS processor initialization, Target buffer space needed for locking executes high-level language programs, high-level language programs are copied into the Target buffer space from nonvolatile storage, it is jumped in Target buffer space from assembler and runs high-level language programs, it can be realized the SEC phase for entering UEFI under MIPS framework, the stage is executed in assembler, complete the standard needed for executing for high-level language programs Standby work, realizes jumping from assembler to high-level language programs, avoids existing UEFI code that from can not being directly useful in the problem on MIPS framework, reduce development cost, improve development efficiency.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of programming jump method, a kind of programming jump device,
A kind of electronic equipment and a kind of readable storage medium storing program for executing.
Background technique
UEFI (Unified Extensible Firmware Interface, unified Extensible Firmware Interface) is one
The standard of kind detailed description style interface is loaded into a kind of operation system for operating system automatically from the operating environment of pretrigger
On system.UEFI is supplied to the interface of system and includes starting service (Boot Services) and service (Runtime when running
Services)。
The first stage of the upper electricity operation of UEFI is SEC (SECurity, the safety verification) stage, this stage mainly completes
The some configurations basic to CPU, the code for the UEFI that can bring into operation.This stage contains related to processor architecture
Assembly code and the versatility unrelated with processor architecture C language code.
Through applicants have found that, UEFI SEC phase to MIPS (Microprocessor without
Interlocked piped stages, the microprocessor of no inner interlocked pipelining-stage) processor of framework is when being initialized,
The source code of UEFI can not be directly applicable in.Because only having tool to frameworks such as x86 or ARM in the code of current UEFI official
The code of the realization of body SEC phase needs additionally to open again on MIPS framework to strictly observe the framework and standard of UEFI
The code of UEFI is sent out, cost and efficiency is not high.
Summary of the invention
The embodiment of the present invention the technical problem to be solved is that provide a kind of programming jump method, apparatus, electronic equipment and
Readable storage medium storing program for executing to avoid existing UEFI code that from can not being directly useful in the problem on MIPS framework, and is opened again
The problem of putting low efficiency at high cost.
To solve the above-mentioned problems, the present invention provides a kind of programming jump methods, comprising:
Obtain the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor jumps finger
It enables；
Execute the jump instruction, into the SEC phase program of UEFI, the SEC phase program include assembler and
High-level language programs；
The assembler is executed, when initializing to the MIPS processor, locking executes the high-level language programs institute
The high-level language programs are copied to the Target buffer space from nonvolatile storage, from institute by the Target buffer space needed
It states assembler and jumps in the Target buffer space and run the high-level language programs.
Optionally, Target buffer space needed for the locking executes the high-level language programs includes:
According to the first initial address in the address space of memory, and default first occupied space, lock the mesh
Mark cushion space.
Optionally, described that the high-level language programs are copied into the Target buffer space packet from nonvolatile storage
It includes:
Obtain second initial address of the high-level language programs in the nonvolatile storage；
Obtain third initial address of the high-level language programs in the Target buffer space；
Obtain default second occupied space of the high-level language programs and the PEI phase program of UEFI；
According to second initial address, third initial address and default second occupied space, by the high-level language journey
Sequence and PEI phase program copy to the Target buffer space from the nonvolatile storage.
Optionally, the high-level language journey is run in described jump in the Target buffer space from the assembler
Before sequence, the method also includes:
Obtain fourth beginning for executing the goal stack of the high-level language programs in the Target buffer space
Address；
Obtain the default third occupied space of the goal stack；
According to fourth address and third occupied space, determine the top-of-stack pointer of the goal stack beginning.
Optionally, described jump in the Target buffer space from the assembler runs the high-level language programs
Include:
Obtain the 5th initial address of the starting subprogram of the high-level language programs；
According to the 5th initial address, jumps in the Target buffer space and run the starting subprogram；
By the goal stack fourth beginning address and top-of-stack pointer pass to the starting subprogram.
Optionally, the assembler is executed described, is jumped in the Target buffer space from the assembler
After running the high-level language programs, the method also includes:
The high-level language programs are executed, the firmware volume of the PEI phase program of UEFI is searched；
The high-level language programs are executed, the entrance of the PEI phase program are searched in the firmware volume, described
The PEI phase program is run in Target buffer space.
Correspondingly, the present invention also provides a kind of programming jump devices, comprising:
Jump instruction obtains module, for obtaining the preset entrance of the first IA that powers on execution in MIPS processor
The jump instruction of the SEC phase of UEFI；
SEC phase enters module, for executing the jump instruction, into the SEC phase program of UEFI, and the SEC rank
Duan Chengxu includes assembler and high-level language programs；
Jump module, for executing the assembler, when initializing to the MIPS processor, locking executes the height
The high-level language programs are copied to the target from nonvolatile storage and delayed by Target buffer space needed for grade LISP program LISP
Space is rushed, is jumped in the Target buffer space from the assembler and runs the high-level language programs.
Optionally, the jump module includes:
Submodule is locked, for according to the first initial address in the address space of memory, and default first occupancy
Space locks the Target buffer space.
Optionally, the jump module includes:
Second address acquisition submodule, for obtaining the high-level language programs second in the nonvolatile storage
Initial address；
Third address acquisition submodule, for third starting of the high-level language programs in the Target buffer space
Address；
Second space acquisition submodule, for obtain the high-level language programs and UEFI PEI phase program it is default
Second occupied space；
Submodule is replicated, is used for according to second initial address, third initial address and default second occupied space, it will
The high-level language programs and PEI phase program copy to the Target buffer space from the nonvolatile storage.
Optionally, described device further include:
4th address acquisition module, for being run in described jumped in the Target buffer space from the assembler
Before the high-level language programs, obtain for executing the goal stack of the high-level language programs in the Target buffer space
In fourth beginning address；
Third space obtains module, for obtaining the default third occupied space of the goal stack；
Pointer determining module, for determining the goal stack according to fourth address and third occupied space beginning
Top-of-stack pointer.
Optionally, described program jump module includes:
5th address acquisition submodule, the 5th starting point of the starting subprogram for obtaining the high-level language programs
Location；
Submodule is jumped, for according to the 5th initial address, jumping in the Target buffer space described in operation
Originate subprogram；
Transmit submodule, for by the goal stack fourth beginning address and top-of-stack pointer to pass to the starting sub
Program.
Optionally, described device further include:
Firmware volume searching module jumps to the mesh from the assembler for executing the assembler described
After running the high-level language programs in mark cushion space, the high-level language programs are executed, the PEI phase journey of UEFI is searched
The firmware volume of sequence；
PEI phase runs module and searches the PEI rank in the firmware volume for executing the high-level language programs
The entrance of Duan Chengxu runs the PEI phase program in the Target buffer space.
It include memory and one or more than one correspondingly, the present invention also provides a kind of electronic equipment
Program, perhaps more than one program is stored in memory and is configured to by one or more than one processing for one of them
It includes the instruction for performing the following operation that device, which executes the one or more programs:
Obtain the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor jumps finger
It enables；
Execute the jump instruction, into the SEC phase program of UEFI, the SEC phase program include assembler and
High-level language programs；
The assembler is executed, when initializing to the MIPS processor, locking executes the high-level language programs institute
The high-level language programs are copied to the Target buffer space from nonvolatile storage, from institute by the Target buffer space needed
It states assembler and jumps in the Target buffer space and run the high-level language programs.
Correspondingly, the present invention also provides a kind of readable storage medium storing program for executing, when the instruction in the storage medium is set by electronics
When standby processor executes, so that electronic equipment is able to carry out above procedure jump method.
According to an embodiment of the present invention, the preset entrance of the first IA for execution being powered in MIPS processor by acquisition
The jump instruction of the SEC phase of UEFI executes jump instruction, and into the SEC phase program of UEFI, SEC phase program includes converging
Programming and high-level language programs execute assembler, and when initializing to the MIPS processor, locking executes high-level language journey
High-level language programs are copied to the Target buffer space from nonvolatile storage, from remittance by Target buffer space needed for sequence
Programming, which jumps in Target buffer space, runs high-level language programs, can be realized the SEC for entering UEFI under MIPS framework
Stage executes the stage in assembler, completes the preparation needed for executing for high-level language programs, realizes from compilation journey
Sequence is jumped to high-level language programs, avoids existing UEFI code that from can not being directly useful in the problem on MIPS framework, is reduced
Development cost, improves development efficiency.
Detailed description of the invention
Fig. 1 shows a kind of step flow chart of programming jump method of the embodiment of the present invention one；
Fig. 2 shows a kind of step flow charts of programming jump method of the embodiment of the present invention two；
Fig. 3 shows a kind of structural block diagram of programming jump Installation practice of the embodiment of the present invention three；
Fig. 4 shows a kind of structural frames of electronic equipment for programming jump shown according to an exemplary embodiment
Figure.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Referring to Fig.1, a kind of step flow chart of programming jump method of the embodiment of the present invention one is shown, specifically can wrap
Include following steps:
Step 101, the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor is obtained
Jump instruction.
MIPS processor refers to the processor based on MIPS framework, is a kind of processor for taking reduced instruction set computer, extensively
It is used on many electronic products, the network equipment, personal entertainment device and business equipment.
UEFI, i.e., unified Extensible Firmware Interface are a kind of standards that style interface is described in detail, and are used for operating system
Automatically it from the operating environment of pretrigger, is loaded into a kind of operating system.The SEC phase of UEFI is first of platform initialization
In the stage, computer system should enter this stage after being powered on or restarting, and into SEC phase, that is, execute the program of SEC phase, note
For SEC phase program.
First IA is the address for first instruction that MIPS processor powers on fetching.Due to existing UEFI code without
Method supports MIPS processor to be directly entered the SEC phase of UEFI, therefore head is defined in the description file .fdf file of two-stage system
The instruction that a IA is stored is predisposed to the jump instruction into the SEC phase of UEFI.
For example, the first IA of MIPS processor is 32 0x1fc00000, turned using the address space of MIPS
64 bit address after changing are 0x900000001fc00000, and preset jump instruction is to jump to address to be
The position of 0x900000001fc10000 is gone to execute the program of the SEC phase of UEFI, i.e. SEC phase program.It is jumped at this
Before address, reserve 64k space, be retain for UEFI some variables come using.In compiled binary file programming
To after flash, first instruction for powering on execution is exactly jump instruction, and practical to be made of two instructions, first is by ground
Location 0x9fc10000 is loaded into the address 0x900000001fc10000 under t4 register, that is, 64.It is (high by cache
Fast buffer storage) it accesses.Then it is to jump directly to the corresponding address of t4 register fetching is gone to execute that Article 2, which instructs,.
Step 102, the jump instruction is executed, into the SEC phase program of UEFI, the SEC phase program includes converging
Programming and high-level language programs.
In embodiments of the present invention, SEC phase program includes assembler and high-level language programs, and assembler is exactly to use
The program that assembly code is realized, high-level language programs are exactly the program realized with high-level languages such as C languages.Execute jump instruction
Afterwards, the address storage jumped to has SEC phase program, that is, enters the SEC phase program of UEFI.
For example, after executing jump instruction, the storage of the place the address 0x900000001fc10000 that jumps to is exactly
First instruction of SecMain.bin (i.e. the SEC phase program of UEFI).SecMain.bin consists of two parts, and a part is
Start.s is the assembly code (i.e. assembler) of representative, and a part is that the C language code that SecMain.c is included is (i.e. advanced
LISP program LISP), after the code for starting to execute SecMain.bin, begin to the code of the entire SEC phase of operation UEFI.
Step 103, the assembler is executed, when initializing to the MIPS processor, locking executes the advanced language
The high-level language programs are copied to the Target buffer sky from nonvolatile storage by Target buffer space needed for saying program
Between, it is jumped in the Target buffer space from the assembler and runs the high-level language programs.
Assembler is the operation in nonvolatile storage (for example, flash), does not need function storehouse, but advanced
The environment of LISP program LISP operation can be just run in RAM (random access memory, random access memory),
And cushion space or memory that RAM can be locked out.When BIOS early stage memory is initialized not yet, being can not
The content of cushion space is not allowed to carry out using memory, therefore to use RAM that will be locked a part of cushion space
Refresh, that is, CAR (cache as ram) technology.
In embodiments of the present invention, the assembler for executing SEC phase is mainly used for completing to the initial of MIPS processor
Change, during initialization, for Target buffer space needed for high-level language programs locking.Target buffer space refers to utilization
The cushion spaces such as cache (cache memory).
In embodiments of the present invention, a kind of realization in Target buffer space needed for locking executes the high-level language programs
Mode may include: first initial address of the basis in the address space of memory, and default first occupied space, lock institute
Target buffer space is stated, can specifically include any suitable implementation, the embodiment of the present invention is without limitation.Buffering is empty
Between lock after, so that it may come as memory using being locked is exactly that the content of buffering is not allowed to be refreshed.
For example, the code of the assembler of SEC phase program, mainly comprising Start.s and Pcitlb.s and
The assembly codes such as Loongson3Fixup.s.It mainly include some functional configuration, as conjunction is write in the store order of open system automatically
And disable 64 bit manipulations under user mode and enable, the address space that default action is arranged is MIPS host real space, is interrupted
Shielding is disabled to kernel section, supervisor section, user section of access, is arranged processor mode kernel mode etc., in completion clearly
Disconnected, micro entrance is interrupted in setting, starting exception vector entry address, enables to kernel sections, supervisor sections, user sections
Access mode, the configuration works such as Initialize serial communication are arranged in access.In addition to this, cache is also locked, it is general to lock
The cache of 2M size is determined, after cache locking, it can use in this section of space as memory.
In embodiments of the present invention, assembler is executed, after lock onto target cushion space, in order to execute high-level language
Program needs high-level language programs copying to Target buffer space from nonvolatile storage.
In embodiments of the present invention, the high-level language programs are copied into the Target buffer sky from nonvolatile storage
Between a kind of implementation may include: to obtain second initial address of the high-level language programs in the nonvolatile storage,
Third initial address of the acquisition high-level language programs in the Target buffer space, acquisition high-level language programs and UEFI's
Default second occupied space of PEI phase program occupies empty according to the second initial address, third initial address and default second
Between, high-level language programs and PEI phase program are copied into Target buffer space from nonvolatile storage, can specifically include and appoint
The applicable implementation of meaning, the embodiment of the present invention are without limitation.
In embodiments of the present invention, after assembler has executed, so that it may jump in Target buffer space, run advanced
LISP program LISP.A kind of realization that runs the high-level language programs is jumped in the Target buffer space from the assembler
Mode may include: that the 5th initial address of the starting subprogram for obtaining high-level language programs is jumped according to the 5th initial address
The operation starting subprogram into Target buffer space, by goal stack fourth beginning address and top-of-stack pointer pass to starting
Program.It can specifically include any suitable implementation, the embodiment of the present invention is without limitation.
According to an embodiment of the present invention, the preset entrance of the first IA for execution being powered in MIPS processor by acquisition
The jump instruction of the SEC phase of UEFI executes jump instruction, and into the SEC phase program of UEFI, SEC phase program includes converging
Programming and high-level language programs execute assembler, and when initializing to the MIPS processor, locking executes high-level language journey
High-level language programs are copied to the Target buffer space from nonvolatile storage, from remittance by Target buffer space needed for sequence
Programming, which jumps in Target buffer space, runs high-level language programs, can be realized the SEC for entering UEFI under MIPS framework
Stage executes the stage in assembler, completes the preparation needed for executing for high-level language programs, realizes from compilation journey
Sequence is jumped to high-level language programs, avoids existing UEFI code that from can not being directly useful in the problem on MIPS framework, is reduced
Development cost, improves development efficiency.
Referring to Fig. 2, a kind of step flow chart of programming jump method of the embodiment of the present invention two is shown, specifically can wrap
Include following steps:
Step 201, the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor is obtained
Jump instruction.
In embodiments of the present invention, the specific implementation of this step may refer to the description in previous embodiment, herein
It does not repeat separately.
Step 202, the jump instruction is executed, into the SEC phase program of UEFI, the SEC phase program includes converging
Programming and high-level language programs.
In embodiments of the present invention, the specific implementation of this step may refer to the description in previous embodiment, herein
It does not repeat separately.
Step 203, the assembler is executed, when initializing to the MIPS processor, according in the address of memory sky
The first interior initial address, and default first occupied space, lock the Target buffer space.
In embodiments of the present invention, it when lock onto target cushion space, is jumped into due to subsequent from Target buffer space
The operation of unlock cushion space is had before depositing when DXE phase (PEI phase to convert) operation, and unlocks operation and needs to delay target
It rushes on the Refresh Data in space to available corresponding memory headroom.First initial address in Target buffer space should thus
In the address space of memory.
In locking, according to the first initial address, default first occupied space, the cushion space of corresponding position is locked, is made
For Target buffer space.Wherein, presetting the first occupied space can be set according to actual needs, and the embodiment of the present invention does not do this
Limitation.For example, as Target buffer space, the space of mapping is the cache of locking 2M in cache
0x9800000110000000 to 0x9800000110200000.
Step 204, second initial address of the high-level language programs in the nonvolatile storage is obtained.
In embodiments of the present invention, in order to replicate high-level language programs, need first to obtain high-level language programs non-volatile
Initial address in memory is denoted as the second initial address.For example, the second initial address is by macrodefinition, numerical value is
0xffffffff9fc10000。
Step 205, third initial address of the high-level language programs in the Target buffer space is obtained.
In embodiments of the present invention, the initial address in Target buffer space will be copied to by obtaining high-level language programs, be remembered
For third initial address.For example, third initial address is by macrodefinition, numerical value 0x9800000110100000.
Step 206, default second occupied space of the high-level language programs and the PEI phase program of UEFI is obtained.
In embodiments of the present invention, after the SEC phase of UEFI, to enter PEI phase, PEI phase program is also required to
Target buffer is run in space, therefore is obtained except the high-level language programs of SEC phase program, and PEI phase program is also obtained.
The PEI phase program of high-level language programs and UEFI are put together the space occupied size, and default second occupied space is denoted as.Example
Such as, presetting the second occupied space is macrodefinition, numerical value 0x90000.
Step 207, according to second initial address, third initial address and default second occupied space, by the height
Grade LISP program LISP and PEI phase program from the nonvolatile storage copy to the Target buffer space.
In embodiments of the present invention, it according to the second initial address and default second occupied space, is obtained from nonvolatile storage
High-level language programs and PEI phase program, the i.e. code of high-level language programs and PEI phase program are got, it is slow to copy to target
It rushes in space from the space third initial address.
Step 208, it obtains for executing the goal stack of the high-level language programs in the Target buffer space
Fourth beginning address.
In embodiments of the present invention, high-level language programs are executed and needs storehouse to store data, therefore will be in Target buffer
Goal stack is set in space, for executing high-level language programs.Initial address of the goal stack in Target buffer space, note
For fourth beginning address.For example, an instruction of assembler is to store fourth beginning address 0x9800000110000000
Into a0 register.
Step 209, the default third occupied space of the goal stack is obtained.
In embodiments of the present invention, the occupied space of goal stack is denoted as default third occupied space.For example, compilation
One instruction of program is that default third occupied space 0x10000 is stored in a1 register.
Step 210, according to fourth address and third occupied space, determine that the stack top of the goal stack refers to beginning
Needle.
In embodiments of the present invention, according to fourth address and third occupied space, it can determine the stack of goal stack beginning
Push up pointer.For example, it is the value that a0 register adds a1 register that an instruction in assembler, which is the value of setting top-of-stack pointer sp,
Then an instruction is that the value of top-of-stack pointer sp is stored in a1 register, and then an instruction is by the value of top-of-stack pointer sp
8 bytes are subtracted, so that top-of-stack pointer is 8 byte-aligneds.
Step 211, the 5th initial address of the starting subprogram of the high-level language programs is obtained.
It in embodiments of the present invention, include multiple subprograms in high-level language programs, the first program to be executed has been denoted as
Beginning subprogram originates the initial address of subprogram, is denoted as the 5th initial address.It is posted for example, the 5th initial address is stored in ra
In storage.
Step 212, it according to the 5th initial address, jumps in the Target buffer space and runs the sub- journey of starting
Sequence.
In embodiments of the present invention, it according to the 5th initial address, jumps in Target buffer space, operation originates sub- journey
Sequence, that is, bring into operation high-level language programs.
Step 213, by the goal stack fourth beginning address and top-of-stack pointer pass to the starting subprogram.
In embodiments of the present invention, subprogram is originated, i.e. high-level language programs start first function executed.This letter
It is several enter ginseng be exactly goal stack fourth address and top-of-stack pointer beginning.For example, an instruction of assembler is will be aforementioned
The value of a0 register and the value of a1 register pass to starting subprogram.
Step 214, the high-level language programs are executed, the firmware volume of the PEI phase program of UEFI is searched.
In embodiments of the present invention, the part of high-level language programs is more common, and all bases are realized on various frameworks
This is similar.It is main to complete preparing PEI phase firmware volume address to be used, size, the position etc. of storehouse, then parsing load
Enter the code in Target buffer space.
Step 215, the high-level language programs are executed, the entrance of the PEI phase program is searched in the firmware volume
Point runs the PEI phase program in the Target buffer space.
In embodiments of the present invention, it in the implementation procedure of the high-level language programs of SEC phase, is searched in firmware volume
The entrance of PEI phase program starts the entrance for executing PEI phase then using the data of preparation as parameter, from this after
System carries out PEI phase.Parameter needed for PEI phase is the compilation from SEC phase in the realization of existing UEFI code
Program process is got, but under MIPS framework, can be obtained in the high-level language programs implementation procedure of SEC phase
It arrives, and passes to PEI phase program.
According to an embodiment of the present invention, the preset entrance of the first IA for execution being powered in MIPS processor by acquisition
The jump instruction of the SEC phase of UEFI executes jump instruction, and into the SEC phase program of UEFI, SEC phase program includes converging
Programming and high-level language programs execute assembler, and when initializing to the MIPS processor, locking executes high-level language journey
High-level language programs are copied to the Target buffer space from nonvolatile storage, from remittance by Target buffer space needed for sequence
Programming, which jumps in Target buffer space, runs high-level language programs, can be realized the SEC for entering UEFI under MIPS framework
Stage executes the stage in assembler, completes the preparation needed for executing for high-level language programs, realizes from compilation journey
Sequence is jumped to high-level language programs, avoids existing UEFI code that from can not being directly useful in the problem on MIPS framework, is reduced
Development cost, improves development efficiency.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 3, a kind of structural block diagram of programming jump Installation practice of the embodiment of the present invention three is shown, specifically may be used
To include following module:
Jump instruction obtains module 301, preset for obtaining the first IA for powering on execution in MIPS processor
Into the jump instruction of the SEC phase of UEFI；
SEC phase enters module 302, for executing the jump instruction, into the SEC phase program of UEFI, the SEC
Hierarchical process includes assembler and high-level language programs；
Jump module 303, for executing the assembler, when initializing to the MIPS processor, locking executes institute
The high-level language programs are copied to the mesh from nonvolatile storage by Target buffer space needed for stating high-level language programs
Cushion space is marked, is jumped in the Target buffer space from the assembler and runs the high-level language programs.
In embodiments of the present invention, optionally, the jump module includes:
Submodule is locked, for according to the first initial address in the address space of memory, and default first occupancy
Space locks the Target buffer space.
In embodiments of the present invention, optionally, the jump module includes:
Second address acquisition submodule, for obtaining the high-level language programs second in the nonvolatile storage
Initial address；
Third address acquisition submodule, for third starting of the high-level language programs in the Target buffer space
Address；
Second space acquisition submodule, for obtain the high-level language programs and UEFI PEI phase program it is default
Second occupied space；
Submodule is replicated, is used for according to second initial address, third initial address and default second occupied space, it will
The high-level language programs and PEI phase program copy to the Target buffer space from the nonvolatile storage.
In embodiments of the present invention, optionally, described device further include:
4th address acquisition module, for being run in described jumped in the Target buffer space from the assembler
Before the high-level language programs, obtain for executing the goal stack of the high-level language programs in the Target buffer space
In fourth beginning address；
Third space obtains module, for obtaining the default third occupied space of the goal stack；
Pointer determining module, for determining the goal stack according to fourth address and third occupied space beginning
Top-of-stack pointer.
In embodiments of the present invention, optionally, described program jump module includes:
5th address acquisition submodule, the 5th starting point of the starting subprogram for obtaining the high-level language programs
Location；
Submodule is jumped, for according to the 5th initial address, jumping in the Target buffer space described in operation
Originate subprogram；
Transmit submodule, for by the goal stack fourth beginning address and top-of-stack pointer to pass to the starting sub
Program.
In embodiments of the present invention, optionally, described device further include:
Firmware volume searching module jumps to the mesh from the assembler for executing the assembler described
After running the high-level language programs in mark cushion space, the high-level language programs are executed, the PEI phase journey of UEFI is searched
The firmware volume of sequence；
PEI phase runs module and searches the PEI rank in the firmware volume for executing the high-level language programs
The entrance of Duan Chengxu runs the PEI phase program in the Target buffer space.
According to an embodiment of the present invention, the preset entrance of the first IA for execution being powered in MIPS processor by acquisition
The jump instruction of the SEC phase of UEFI executes jump instruction, and into the SEC phase program of UEFI, SEC phase program includes converging
Programming and high-level language programs execute assembler, and when initializing to the MIPS processor, locking executes high-level language journey
High-level language programs are copied to the Target buffer space from nonvolatile storage, from remittance by Target buffer space needed for sequence
Programming, which jumps in Target buffer space, runs high-level language programs, can be realized the SEC for entering UEFI under MIPS framework
Stage executes the stage in assembler, completes the preparation needed for executing for high-level language programs, realizes from compilation journey
Sequence is jumped to high-level language programs, avoids existing UEFI code that from can not being directly useful in the problem on MIPS framework, is reduced
Development cost, improves development efficiency.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
Fig. 4 is a kind of structural block diagram of electronic equipment 700 for programming jump shown according to an exemplary embodiment.
For example, electronic equipment 700 can be mobile phone, computer, digital broadcasting terminal, messaging device, game console put down
Panel device, Medical Devices, body-building equipment, personal digital assistant etc..
Referring to Fig. 4, electronic equipment 700 may include following one or more components: processing component 702, memory 704,
Power supply module 706, multimedia component 708, audio component 710, the interface 712 of input/output (I/O), sensor module 714,
And communication component 716.
The integrated operation of the usual controlling electronic devices 700 of processing component 702, such as with display, call, data are logical
Letter, camera operation and record operate associated operation.Processing element 702 may include one or more processors 720 to hold
Row instruction, to perform all or part of the steps of the methods described above.In addition, processing component 702 may include one or more moulds
Block, convenient for the interaction between processing component 702 and other assemblies.For example, processing component 702 may include multi-media module, with
Facilitate the interaction between multimedia component 708 and processing component 702.
Memory 704 is configured as storing various types of data to support the operation in equipment 700.These data are shown
Example includes the instruction of any application or method for operating on electronic equipment 700, contact data, telephone directory number
According to, message, picture, video etc..Memory 704 can by any kind of volatibility or non-volatile memory device or they
Combination realize, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable
Programmable read only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, quick flashing
Memory, disk or CD.
Electric power assembly 704 provides electric power for the various assemblies of electronic equipment 700.Electric power assembly 704 may include power supply pipe
Reason system, one or more power supplys and other with for electronic equipment 700 generate, manage, and distribute the associated component of electric power.
Multimedia component 708 includes the screen of one output interface of offer between the electronic equipment 700 and user.
In some embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch surface
Plate, screen may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touches
Sensor is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding
The boundary of movement, but also detect duration and pressure associated with the touch or slide operation.In some embodiments,
Multimedia component 708 includes a front camera and/or rear camera.When electronic equipment 700 is in operation mode, as clapped
When taking the photograph mode or video mode, front camera and/or rear camera can receive external multi-medium data.It is each preposition
Camera and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 710 is configured as output and/or input audio signal.For example, audio component 710 includes a Mike
Wind (MIC), when electronic equipment 700 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone
It is configured as receiving external audio signal.The received audio signal can be further stored in memory 704 or via logical
Believe that component 716 is sent.In some embodiments, audio component 710 further includes a loudspeaker, is used for output audio signal.
I/O interface 712 provides interface between processing component 702 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 714 includes one or more sensors, for providing the state of various aspects for electronic equipment 700
Assessment.For example, sensor module 714 can detecte the state that opens/closes of equipment 700, the relative positioning of component, such as institute
The display and keypad that component is electronic equipment 700 are stated, sensor module 714 can also detect electronic equipment 700 or electronics
The position change of 700 1 components of equipment, the existence or non-existence that user contacts with electronic equipment 700,700 orientation of electronic equipment
Or the temperature change of acceleration/deceleration and electronic equipment 700.Sensor module 714 may include proximity sensor, be configured to
It detects the presence of nearby objects without any physical contact.Sensor module 714 can also include optical sensor, such as
CMOS or ccd image sensor, for being used in imaging applications.In some embodiments, which can be with
Including acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 716 is configured to facilitate the communication of wired or wireless way between electronic equipment 700 and other equipment.
Electronic equipment 700 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.Show at one
In example property embodiment, communication component 714 receives broadcast singal or broadcast from external broadcasting management system via broadcast channel
Relevant information.In one exemplary embodiment, the communication component 714 further includes near-field communication (NFC) module, short to promote
Cheng Tongxin.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, electronic equipment 700 can be by one or more application specific integrated circuit (ASIC), number
Word signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 704 of instruction, above-metioned instruction can be executed by the processor 720 of electronic equipment 700 to complete the above method.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is held by the processor of terminal
When row, enable the terminal to execute a kind of programming jump method, which comprises
Obtain the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor jumps finger
It enables；
Execute the jump instruction, into the SEC phase program of UEFI, the SEC phase program include assembler and
High-level language programs；
The assembler is executed, when initializing to the MIPS processor, locking executes the high-level language programs institute
The high-level language programs are copied to the Target buffer space from nonvolatile storage, from institute by the Target buffer space needed
It states assembler and jumps in the Target buffer space and run the high-level language programs.
Optionally, Target buffer space needed for the locking executes the high-level language programs includes:
According to the first initial address in the address space of memory, and default first occupied space, lock the mesh
Mark cushion space.
Optionally, described that the high-level language programs are copied into the Target buffer space packet from nonvolatile storage
It includes:
Obtain second initial address of the high-level language programs in the nonvolatile storage；
Obtain third initial address of the high-level language programs in the Target buffer space；
Obtain default second occupied space of the high-level language programs and the PEI phase program of UEFI；
According to second initial address, third initial address and default second occupied space, by the high-level language journey
Sequence and PEI phase program copy to the Target buffer space from the nonvolatile storage.
Optionally, the high-level language journey is run in described jump in the Target buffer space from the assembler
Before sequence, the method also includes:
Obtain fourth beginning for executing the goal stack of the high-level language programs in the Target buffer space
Address；
Obtain the default third occupied space of the goal stack；
According to fourth address and third occupied space, determine the top-of-stack pointer of the goal stack beginning.
Optionally, described jump in the Target buffer space from the assembler runs the high-level language programs
Include:
Obtain the 5th initial address of the starting subprogram of the high-level language programs；
According to the 5th initial address, jumps in the Target buffer space and run the starting subprogram；
By the goal stack fourth beginning address and top-of-stack pointer pass to the starting subprogram.
Optionally, the assembler is executed described, is jumped in the Target buffer space from the assembler
After running the high-level language programs, the method also includes:
The high-level language programs are executed, the firmware volume of the PEI phase program of UEFI is searched；
The high-level language programs are executed, the entrance of the PEI phase program are searched in the firmware volume, described
The PEI phase program is run in Target buffer space.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of programming jump method provided by the present invention, a kind of programming jump device, it is described in detail,
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention；At the same time, for those skilled in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
Limitation of the present invention.
Claims (14)
1. a kind of programming jump method characterized by comprising
Obtain the jump instruction for the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor；
The jump instruction is executed, into the SEC phase program of UEFI, the SEC phase program includes assembler and advanced
LISP program LISP；
The assembler is executed, when initializing to the MIPS processor, locking is executed needed for the high-level language programs
The high-level language programs are copied to the Target buffer space from nonvolatile storage, from the remittance by Target buffer space
Programming, which jumps in the Target buffer space, runs the high-level language programs.
2. the method according to claim 1, wherein mesh needed for the locking execution high-level language programs
Marking cushion space includes:
According to the first initial address in the address space of memory, and default first occupied space, it is slow to lock the target
Rush space.
3. the method according to claim 1, wherein it is described by the high-level language programs from nonvolatile storage
Copying to the Target buffer space includes:
Obtain second initial address of the high-level language programs in the nonvolatile storage；
Obtain third initial address of the high-level language programs in the Target buffer space；
Obtain default second occupied space of the high-level language programs and the PEI phase program of UEFI；
According to second initial address, third initial address and default second occupied space, by the high-level language programs and
PEI phase program copies to the Target buffer space from the nonvolatile storage.
4. the method according to claim 1, wherein from the assembler to jump to the target slow described
It rushes in space before running the high-level language programs, the method also includes:
It obtains for executing fourth beginning address of the goal stack of the high-level language programs in the Target buffer space；
Obtain the default third occupied space of the goal stack；
According to fourth address and third occupied space, determine the top-of-stack pointer of the goal stack beginning.
5. according to the method described in claim 4, it is characterized in that, described jump to the Target buffer from the assembler
The high-level language programs are run in space includes:
Obtain the 5th initial address of the starting subprogram of the high-level language programs；
According to the 5th initial address, jumps in the Target buffer space and run the starting subprogram；
By the goal stack fourth beginning address and top-of-stack pointer pass to the starting subprogram.
6. the method according to claim 1, wherein the assembler is executed described, from the compilation journey
Sequence jumps in the Target buffer space run the high-level language programs after, the method also includes:
The high-level language programs are executed, the firmware volume of the PEI phase program of UEFI is searched；
The high-level language programs are executed, the entrance of the PEI phase program are searched in the firmware volume, in the target
The PEI phase program is run in cushion space.
7. a kind of programming jump device characterized by comprising
Jump instruction obtains module, for obtaining the preset entrance UEFI of the first IA that powers on execution in MIPS processor
SEC phase jump instruction；
SEC phase enters module, for executing the jump instruction, into the SEC phase program of UEFI, and the SEC phase journey
Sequence includes assembler and high-level language programs；
Jump module, for executing the assembler, when initializing to the MIPS processor, locking executes the advanced language
The high-level language programs are copied to the Target buffer sky from nonvolatile storage by Target buffer space needed for saying program
Between, it is jumped in the Target buffer space from the assembler and runs the high-level language programs.
8. device according to claim 7, which is characterized in that the jump module includes:
Submodule is locked, for first initial address of the basis in the address space of memory, and presets the first occupied space,
Lock the Target buffer space.
9. device according to claim 7, which is characterized in that the jump module includes:
Second address acquisition submodule, for obtaining second starting of the high-level language programs in the nonvolatile storage
Address；
Third address acquisition submodule, for third starting point of the high-level language programs in the Target buffer space
Location；
Second space acquisition submodule, default second of the PEI phase program for obtaining the high-level language programs and UEFI
Occupied space；
Submodule is replicated, is used for according to second initial address, third initial address and default second occupied space, it will be described
High-level language programs and PEI phase program copy to the Target buffer space from the nonvolatile storage.
10. device according to claim 7, which is characterized in that described device further include:
4th address acquisition module, for being jumped in the Target buffer space described in operation described from the assembler
Before high-level language programs, obtain for executing the goal stack of the high-level language programs in the Target buffer space
Fourth beginning address；
Third space obtains module, for obtaining the default third occupied space of the goal stack；
Pointer determining module, for determining the stack of the goal stack according to fourth address and third occupied space beginning
Push up pointer.
11. device according to claim 10, which is characterized in that the jump module includes:
5th address acquisition submodule, the 5th initial address of the starting subprogram for obtaining the high-level language programs；
Submodule is jumped, for jumping in the Target buffer space and running the starting according to the 5th initial address
Subprogram；
Transmit submodule, for by the goal stack fourth beginning address and top-of-stack pointer pass to the sub- journey of starting
Sequence.
12. device according to claim 7, which is characterized in that described device further include:
It is slow to jump to the target from the assembler for executing the assembler described for firmware volume searching module
It rushes in space after running the high-level language programs, executes the high-level language programs, search the PEI phase program of UEFI
Firmware volume；
PEI phase runs module and searches the PEI phase journey in the firmware volume for executing the high-level language programs
The entrance of sequence runs the PEI phase program in the Target buffer space.
13. a kind of electronic equipment, which is characterized in that include memory and one or more than one program, wherein one
A perhaps more than one program is stored in memory and is configured to execute described one by one or more than one processor
A or more than one program includes the instruction for performing the following operation:
Obtain the jump instruction for the preset SEC phase into UEFI of first IA for powering on execution in MIPS processor；
The jump instruction is executed, into the SEC phase program of UEFI, the SEC phase program includes assembler and advanced
LISP program LISP；
The assembler is executed, when initializing to the MIPS processor, locking is executed needed for the high-level language programs
The high-level language programs are copied to the Target buffer space from nonvolatile storage, from the remittance by Target buffer space
Programming, which jumps in the Target buffer space, runs the high-level language programs.
14. a kind of readable storage medium storing program for executing, which is characterized in that when the instruction in the storage medium is held by the processor of electronic equipment
When row, so that electronic equipment is able to carry out the programming jump method as described in one or more in claim to a method 1-6.
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| CN109725943B (en) | 2022-05-17 |
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