CN102508694B - Method and system for operating file of virtual machine - Google Patents
Method and system for operating file of virtual machine Download PDFInfo
- Publication number
- CN102508694B CN102508694B CN201110311258.XA CN201110311258A CN102508694B CN 102508694 B CN102508694 B CN 102508694B CN 201110311258 A CN201110311258 A CN 201110311258A CN 102508694 B CN102508694 B CN 102508694B
- Authority
- CN
- China
- Prior art keywords
- virtual machine
- function
- built
- host
- instruction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides a method for operating a file of a virtual machine, and the method comprises the following steps of: pre-setting an optimized function library in a host computer; establishing a corresponding relation between a library function in the optimized function library and an interface address in an executable file, and inputting the corresponding relation into the virtual machine; unloading, explaining and operating an instruction of the executable file by the virtual machine; judging whether the operated instruction is in the optimized function library by the virtual machine according to the interface address in the instruction; if so, calling the optimized function library in the host computer by the host computer and realizing functions of the library function corresponding to the interface address in the optimized function library by a local code. According to the method for operating the file of the virtual machine, parts of the library functions which are processed by the virtual machine can be locally realized through the host computer, thus the processing efficiency of the virtual machine is improved, a local calling instruction is not needed to be pre-defined and the instructions to be operated in the virtual machine are not needed to be wholly converted into the local codes. By utilizing the method and system for operating the file of the virtual machine, provided by the invention, the processing efficiency of the virtual machine is improved.
Description
[technical field]
The present invention relates to computer technology, particularly relate to a kind of virtual machine file operation method and system.
[background technology]
Virtual machine (Virtual Machine) is the application program operated on physical computer, is the computer system simulated on physical computer by relevant software virtual machine, and works as real computing machine.
In prior art, virtual machine reads in an instruction, explains, performs, and then repeats to read next instruction, explains, performs, so circulates.Under the program, virtual machine working procedure speed is comparatively slow, if realized virtual machine instructions this locality, can improve its travelling speed.In actual use, following several method is had to realize to this locality realizing virtual machine: method one, virtual machine are by local call instruction, namely " local interface specific instruction " is concentrated and is realized application program that the code of internal operation and other Languages write and storehouse is carried out alternately, and any one local application all can be embedded in virtual machine.But " local interface specific instruction " is instruction concentrates special definition " local programming interface " specific instruction, necessary special definition in instruction set in advance.The method can improve the travelling speed of virtual machine, but need limit local programming interface and specific instruction is called in this locality, and need design the compiler of a set of complexity in the instruction set of a set of practicality, and the method cost is larger.Such as Java instruction set belongs to Sun Microsystems company, uses Java instruction set to relate to the problem of literary property.Method two, the binary file that will input in virtual machine, be all converted into local code file by analysis, finally directly perform local code by host.The method is than more efficient, but process binary file all being turned local code is very complicated, implements difficulty higher.
[summary of the invention]
Based on this, be necessary to provide a kind of virtual machine file operation method that can improve virtual machine travelling speed, in addition, there is a need to provide a kind of dummy machine system that can improve virtual machine travelling speed.
A kind of virtual machine file operation method, comprises the following steps:
In host, preset majorized function storehouse, majorized function storehouse is made up of built-in function conventional in virtual machine;
Set up in executable file and be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, and input to virtual machine;
Virtual machine loads, explain, run the instruction of described executable file;
Virtual machine judges the instruction that runs whether in majorized function storehouse according to the interface IP address comprised in described instruction, if, then host calls majorized function storehouse in host, and local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse;
Host returns in virtual machine and runs after executing the function of described built-in function;
When the instruction that virtual machine runs is not in majorized function storehouse, run described instruction by virtual machine.
Preferably, the Symbolic Links mapped file produced when the described corresponding relation setting up in executable file the built-in function and interface IP address being arranged in majorized function storehouse is program chains according to described executable file is set up.
Preferably, the described corresponding relation setting up in executable file the built-in function and interface IP address being arranged in majorized function storehouse scans described program to set up when virtual machine loads the program of described executable file.
Preferably, described host calls majorized function storehouse in host, when local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse, host need obtain the data of described built-in function input and output from virtual machine storer, and the result that described local code realizes is restored virtual machine.
The present invention also provides a kind of dummy machine system that can improve virtual machine travelling speed.
A kind of dummy machine system, comprises virtual machine and host, at least also comprises:
Majorized function storehouse presetting module, for presetting majorized function storehouse in host, majorized function storehouse is made up of built-in function conventional in virtual machine;
Pretreatment module, is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address for setting up in executable file, and inputs to virtual machine;
Processing module, loads, explains, runs the instruction of described executable file for virtual machine;
Judge module, judges the instruction that runs for virtual machine whether in majorized function storehouse according to the interface IP address comprised in described instruction;
This locality realizes module, for when according to the interface IP address comprised in described instruction, virtual machine judges that the instruction that runs is in majorized function storehouse, host calls majorized function storehouse in host, and local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse.
This locality realizes result and returns module, after executing the function of described built-in function, returns in virtual machine and runs for host;
Virtual machine runs module, for when the instruction that virtual machine runs is not in majorized function storehouse, runs described instruction by virtual machine.
Preferably, the Symbolic Links mapped file produced during the program chains of described pretreatment module according to described executable file is set up in executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address.
Preferably, described pretreatment module scans described program when virtual machine loads the program of executable file, sets up in described executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address.
Preferably, described this locality realizes module and calls majorized function storehouse in host at host, when local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse, from virtual machine storer, also obtain the data of described built-in function input and output for host, and the result that described local code realizes is restored virtual machine.
Virtual machine file operation method of the present invention need " specific instruction not be called in this locality " in instruction set needed for special definition " local programming interface ", the instruction run in virtual machine all need be converted into function this locality that local code can realize in virtual machine quick calling host majorized function storehouse to realize, thus improve the travelling speed of virtual machine yet.
[accompanying drawing explanation]
Fig. 1 is the process flow diagram of virtual machine file operation method in an embodiment;
Fig. 2 is the structural representation of dummy machine system in an embodiment.
[embodiment]
Fig. 1 shows virtual machine file operation method in an embodiment, comprises the following steps:
Step S101, presets majorized function storehouse in host, and majorized function storehouse is made up of built-in function conventional in virtual machine;
Virtual machine operates in the complete computer in completely isolated environment, can installing operating system and application program, and accesses network resource.Generally, comparatively host is slow for the speed of virtual machine working procedure, virtual machine wants some built-in functions in call function storehouse in the process running executable file, described built-in function is the basic operation function that some functions are determined, such as pointer operation, string operation, internal memory operation, arithmetical operation etc.The built-in function commonly used in virtual machine is preset in host, the majorized function storehouse that composition is preset.Described conventional built-in function uses the frequency of this built-in function to define according to virtual machine, as the built-in function after access times are reached a fixed numbers is defined as conventional built-in function, described fixed numbers be more than or equal to 1 arbitrary integer.
Step S103, sets up in executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, and input to virtual machine;
Built-in function in virtual machine executable file some be arranged in host majorized function storehouse, this partial function needs to be taken over by host to run, realized by host this locality, therefore need set up in executable file and be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, and input to virtual machine.
Step S104, virtual machine loads, explain, run the instruction of described executable file;
Executable file is express with the form of instruction in virtual machine, and virtual machine realizes the function of executable file by performing instruction.Need the load them of executable file before operation executable file, and explain and process.
Step S105, virtual machine judges the instruction that runs whether in majorized function storehouse according to the interface IP address comprised in described instruction,
If so, then enter step S109, namely host calls majorized function storehouse in host, and local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse;
If not, then enter step S107, run described instruction by virtual machine.
In the present embodiment, virtual machine judges the instruction that runs whether in majorized function storehouse according to the interface IP address comprised in described instruction, if, then host calls majorized function storehouse in host, and local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse.The method makes the built-in function run by virtual machine take over execution by host, thus improves the speed of the process executable file of virtual machine, enhances the dirigibility of virtual machine and improves the efficiency of virtual machine operation.
Execute the function of described built-in function at host after, return in virtual machine and run.
As the preferred method of one, when the instruction that virtual machine runs is not in majorized function storehouse, namely enters step S107, run described instruction by virtual machine.In the present embodiment, in time knowing that this instruction is not in the majorized function storehouse of host to the judgement of this instruction, according to pre-setting, do not need to carry out this locality to its execution and call, therefore virtual machine directly performs this instruction.
As the preferred method of one, the Symbolic Links mapped file produced when the described corresponding relation setting up in executable file the built-in function and interface IP address being arranged in majorized function storehouse is the program chains according to described executable file is set up.
As the preferred method of one, the described corresponding relation setting up in executable file the built-in function and interface IP address being arranged in majorized function storehouse scans described program to set up when virtual machine loads the program of described executable file.
In the present embodiment, the corresponding relation setting up in executable file built-in function and the interface IP address being arranged in majorized function storehouse can by different approach, both can program chains according to described executable file time the Symbolic Links mapped file that produces set up, described program can be scanned again when virtual machine loads the program of described executable file and set up.No matter set up by that way in executable file and be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, all before virtual machine runs, the result data of above-mentioned foundation need be input to virtual machine.
As the preferred method of one, described host calls majorized function storehouse in host, when local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse, host need obtain the data of described built-in function input and output from virtual machine storer, and the result that described local code realizes is restored virtual machine.In the present embodiment, the described local interface calling same functions in host majorized function storehouse, after local code realizes, the execution result that host this locality realizes is turned back in the executable file of virtual machine by link order, thus virtual machine continues to perform other instruction.Realization as local in host continuation needs to call preceding this locality and realizes result data, then host also can obtain preceding this locality and realize result data from virtual machine storer.In the present embodiment, the result that described local code realizes is restored virtual machine, thus be conducive to the backup protection that this locality realizes result data, also facilitate virtual machine to add up the built-in function data of host this locality realization.
Fig. 2 shows the dummy machine system in an embodiment, comprises virtual machine and host, at least also comprises:
Majorized function storehouse presetting module 201, for presetting majorized function storehouse in host, majorized function storehouse is made up of built-in function conventional in virtual machine;
Pretreatment module 202, is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address for setting up in executable file, and inputs to virtual machine;
Processing module 203, loads, explains, runs the instruction of described executable file for virtual machine;
Judge module 204, judges the instruction that runs for virtual machine whether in majorized function storehouse according to the interface IP address comprised in described instruction;
This locality realizes module 205, for when according to the interface IP address comprised in described instruction, virtual machine judges that the instruction that runs is in majorized function storehouse, host calls majorized function storehouse in host, and local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse.
This locality realizes result and returns module 206, after executing the function of described built-in function, returns in virtual machine and runs for host.
In the present embodiment, majorized function storehouse presetting module 201, for presetting majorized function storehouse in host, majorized function storehouse is made up of built-in function conventional in virtual machine.The built-in function commonly used in virtual machine is preset in host, the majorized function storehouse that composition is preset.Virtual machine wants some built-in functions in call function storehouse in the process running executable file, and described built-in function is the basic operation function that some functions are determined, such as pointer operation, string operation, internal memory operation, arithmetical operation etc.Described conventional built-in function uses the frequency of this built-in function to define according to virtual machine, as the built-in function after access times are reached a fixed numbers is defined as conventional built-in function, described fixed numbers be more than or equal to 1 arbitrary integer.
Pretreatment module 202, is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address for setting up in executable file, and inputs to virtual machine.Built-in function in virtual machine executable file some be arranged in host majorized function storehouse, this partial function needs to be taken over by host to run, realized by host this locality, therefore need set up in executable file and be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, and input to virtual machine.
Processing module 203, loads, explains, runs the instruction of described executable file for virtual machine.Executable file is express with the form of instruction in virtual machine, and virtual machine realizes the function of executable file by performing instruction.By the load them of executable file, and need explain and process before operation executable file.
This locality realizes module 205, called by this locality of virtual machine, the application program in host and built-in function is allowed to be embedded in virtual machine, realize existing application program and built-in function in host and support virtual machine, virtual machine need not spend the built-in function that a large amount of time-triggered protocol is relevant, thus improves the speed of virtual machine process executable file.
As a kind of preferred embodiment, described dummy machine system also comprises virtual machine and runs module 207, when the instruction that virtual machine runs is not in majorized function storehouse, runs described instruction by virtual machine.In the present embodiment, through the judgement to this instruction, know that this instruction is not the built-in function in host majorized function storehouse, namely do not need to carry out this locality and call, therefore virtual machine directly performs this instruction.
As a kind of preferred embodiment, the Symbolic Links mapped file produced during the program chains of described pretreatment module 202 according to described executable file is set up in executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address.
As a kind of preferred embodiment, described pretreatment module 202 scans described program when virtual machine loads the program of executable file, sets up in described executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address.
In the present embodiment, the corresponding relation setting up in executable file built-in function and the interface IP address being arranged in majorized function storehouse can by different approach, both can program chains according to described executable file time the Symbolic Links mapped file that produces set up, set up when can scan again described program when virtual machine loads the program of described executable file.No matter set up by that way in executable file and be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, all before virtual machine runs, the result data of above-mentioned foundation need be input to virtual machine.
As a kind of preferred embodiment, described this locality realizes module 205 and calls majorized function storehouse in host at host, when local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse, from virtual machine storer, also obtain the data of described built-in function input and output for host, and the result that described local code realizes is restored virtual machine.
In the present embodiment; this locality realizes result and returns module 206; the execution result that local code realizes is turned back in the executable file of virtual machine by link order; virtual machine continues to perform other instruction; and the result that this locality realizes is restored in virtual machine; be conducive to the backup protection that this locality realizes result data, also facilitate virtual machine to add up the built-in function data of host this locality realization.
Above-mentioned virtual machine file operation method and system are optimized process for the part instructs in virtual machine file, namely carry out this locality by host to call, thus local code realizes the built-in function in part virtual machine, improve the speed of the process executable file of virtual machine, simultaneously need the local call instruction of predefined, the instruction run in virtual machine all need be converted into built-in function this locality that local code can realize in virtual machine quick calling host majorized function storehouse yet and realize.Virtual machine file operation method of the present invention and system make the speed of virtual machine process executable file improve, and host majorized function storehouse is provided with larger dirigibility, and implementation process is simple.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a virtual machine file operation method, comprises the following steps:
In host, preset majorized function storehouse, majorized function storehouse is made up of built-in function conventional in virtual machine;
Set up in executable file and be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, and input to virtual machine;
Virtual machine loads, explain, run the instruction of described executable file;
Virtual machine judges the instruction that runs whether in majorized function storehouse according to the interface IP address comprised in described instruction, if, then host calls majorized function storehouse in host, and local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse;
Host returns in virtual machine and runs after executing the function of described built-in function;
When the instruction that virtual machine runs is not in majorized function storehouse, run described instruction by virtual machine.
2. virtual machine file operation method according to claim 1, it is characterized in that, the Symbolic Links mapped file produced when the described corresponding relation setting up in executable file the built-in function and interface IP address being arranged in majorized function storehouse is the program chains according to described executable file is set up.
3. virtual machine file operation method according to claim 1, it is characterized in that, the described corresponding relation setting up in executable file the built-in function and interface IP address being arranged in majorized function storehouse scans described program to set up when virtual machine loads the program of described executable file.
4. virtual machine file operation method according to claim 1, it is characterized in that, described host calls majorized function storehouse in host, when local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse, host need obtain the data of described built-in function input and output from virtual machine storer, and the result that described local code realizes is restored virtual machine.
5. a dummy machine system, comprises virtual machine and host, it is characterized in that, at least also comprise:
Majorized function storehouse presetting module, for presetting majorized function storehouse in host, majorized function storehouse is made up of built-in function conventional in virtual machine;
Pretreatment module, is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address for setting up in executable file, and inputs to virtual machine;
Processing module, loads, explains, runs the instruction of described executable file for virtual machine;
Judge module, judges the instruction that runs for virtual machine whether in majorized function storehouse according to the interface IP address comprised in described instruction;
This locality realizes module, for when according to the interface IP address comprised in described instruction, virtual machine judges that the instruction that runs is in majorized function storehouse, host calls majorized function storehouse in host, and local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse;
This locality realizes result and returns module, after executing the function of described built-in function, returns in virtual machine and runs for host;
Virtual machine runs module, for when the instruction that virtual machine runs is not in majorized function storehouse, runs described instruction by virtual machine.
6. dummy machine system according to claim 5, it is characterized in that, the Symbolic Links mapped file produced during the program chains of described pretreatment module according to described executable file is set up in executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address.
7. dummy machine system according to claim 5, it is characterized in that, described pretreatment module scans described program when virtual machine loads the program of executable file, sets up in described executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address.
8. dummy machine system according to claim 5, it is characterized in that, described this locality realizes module and calls majorized function storehouse in host at host, when local code realizes the function of built-in function corresponding with described interface IP address in described majorized function storehouse, from virtual machine storer, also obtain the data of described built-in function input and output for host, and the result that described local code realizes is restored virtual machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311258.XA CN102508694B (en) | 2011-10-14 | 2011-10-14 | Method and system for operating file of virtual machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311258.XA CN102508694B (en) | 2011-10-14 | 2011-10-14 | Method and system for operating file of virtual machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102508694A CN102508694A (en) | 2012-06-20 |
| CN102508694B true CN102508694B (en) | 2015-05-06 |
Family
ID=46220786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110311258.XA Active CN102508694B (en) | 2011-10-14 | 2011-10-14 | Method and system for operating file of virtual machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102508694B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940655B (en) * | 2016-01-04 | 2020-05-12 | 中国移动通信集团公司 | Method and terminal for integrating virtual machines based on trusted execution environment |
| CN107122224A (en) * | 2016-02-25 | 2017-09-01 | 中兴通讯股份有限公司 | A kind of data transmission method, virtual machine and host |
| CN112364607B (en) * | 2020-10-08 | 2021-06-25 | 北京麟卓信息科技有限公司 | Method and device for editing Linux file by Android application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231597A (en) * | 2008-02-01 | 2008-07-30 | 东信和平智能卡股份有限公司 | Method for execution of JAVA program instruction in smart card |
| CN101539868A (en) * | 2009-04-10 | 2009-09-23 | 北京大学 | Client operating system nucleus code dynamic replacement method of virtual machine manager |
| CN101957770A (en) * | 2010-10-09 | 2011-01-26 | 中兴通讯股份有限公司 | Method and device for starting applications on mobile equipment |
| CN102193829A (en) * | 2011-05-20 | 2011-09-21 | 深圳市江波龙电子有限公司 | Method and device for calling local interface of virtual machine |
-
2011
- 2011-10-14 CN CN201110311258.XA patent/CN102508694B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231597A (en) * | 2008-02-01 | 2008-07-30 | 东信和平智能卡股份有限公司 | Method for execution of JAVA program instruction in smart card |
| CN101539868A (en) * | 2009-04-10 | 2009-09-23 | 北京大学 | Client operating system nucleus code dynamic replacement method of virtual machine manager |
| CN101957770A (en) * | 2010-10-09 | 2011-01-26 | 中兴通讯股份有限公司 | Method and device for starting applications on mobile equipment |
| CN102193829A (en) * | 2011-05-20 | 2011-09-21 | 深圳市江波龙电子有限公司 | Method and device for calling local interface of virtual machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102508694A (en) | 2012-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101706725B (en) | Method and system for loading and debugging relocatable program | |
| CN101261600B (en) | Software test apparatus and test software design method | |
| US20210034356A1 (en) | Code Hot-Update Method and Device, Storage Medium, Processor, and Terminal | |
| CN103309800B (en) | A kind of webpage automated testing method and system | |
| CN102508694B (en) | Method and system for operating file of virtual machine | |
| CN106020905A (en) | Microcontroller firmware developing and updating method and system | |
| CN103513966A (en) | PHP developing framework based on assemblies | |
| CN102331944A (en) | Application adding method based on electronic store | |
| CN102141929B (en) | Application program running method, simulator, host machine and system | |
| CN107015840B (en) | Quick execution method and quick execution system of resolver | |
| CN105260184B (en) | A kind of adjustment method and device for restoring image file | |
| CN111596970B (en) | Method, device, equipment and storage medium for dynamic library delay loading | |
| CN102236576B (en) | Java virtual machine execution engine supporting hybrid mode execution | |
| CN103631585A (en) | Method and system for developing application program | |
| CN101727347A (en) | Method and system for finishing software construction | |
| CN105446732A (en) | Operation realization method, device and system of 64-bit program | |
| CN114115964B (en) | Hot updating method and device for Unity, computing equipment and computer-readable storage medium | |
| CN104731557A (en) | Control method and device for instruction execution | |
| CN115048184A (en) | Method and device for optimizing execution of interpreter instruction | |
| CN114546409A (en) | Method, system and storage medium for isolating compiled product from source code | |
| CN102193829A (en) | Method and device for calling local interface of virtual machine | |
| CN104281443B (en) | Method for realizing code and data replacement by using TCM (trusted cryptography module) | |
| CN100555224C (en) | A kind of structure and manner of execution of executable dynamic link libraries CAR member | |
| US10088834B2 (en) | Control system having function for optimizing control software of numerical controller in accordance with machining program | |
| Qiu et al. | Automatic verification platform based on risc-v architecture microprocessor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 A, B, C, D, E, F1, 8th Floor, No. 8 Financial Base, Kefa Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen jiangbolong electronic Limited by Share Ltd Address before: 518057 A, B, C, D, E, F1, 8th Floor, No. 8 Financial Base, Kefa Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen jiangbolong Electronic Co., Ltd. |