CN111831976A - Linux operating system-based copyright protection method and equipment - Google Patents
Linux operating system-based copyright protection method and equipment Download PDFInfo
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- CN111831976A CN111831976A CN202010504155.4A CN202010504155A CN111831976A CN 111831976 A CN111831976 A CN 111831976A CN 202010504155 A CN202010504155 A CN 202010504155A CN 111831976 A CN111831976 A CN 111831976A
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- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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Abstract
The invention relates to a method and a device for protecting copyright based on a Linux operating system, wherein the method comprises the steps of powering on and starting the copyright protection device; decompressing a mirror image compression file of the Linux operating system, loading the mirror image compression file into a memory, and guiding to start a kernel; calling a system process program, starting system service and entering a system initialization stage; starting a copyright protection application program, and enabling the copyright protection application program to communicate with a security chip; enabling the copyright protection application program to detect the characteristic value transmitted by the security chip in a polling mode; if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, the corresponding characteristic value is fed back to the system process program and the operation of the Linux operating system is finished, and even if other people copy the mirror image file of the Linux operating system, the Linux operating system cannot be normally started on other equipment due to the fact that the corresponding characteristic value cannot be detected in a polling mode, so that any copying of the Linux operating system is effectively prevented, and the copyright of the Linux operating system is protected.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a method and equipment for protecting copyright based on a Linux operating system.
Background
The embedded type is a version for realizing maintenance-free and special functions. In accordance with the current situation, the Linux operating system replaces the Windows desktop system, and is not suitable for a comprehensive replacement from a technical point of view. The image processing and display card 3D acceleration aspects are obvious short boards of a Linux operating system and cannot change in a short period; secondly, due to historical and practical reasons, a large amount of application software and ecology are established on the Windows platform, so that comprehensive replacement is difficult to achieve. But in specific fields, such as daily Office, the WPS Office can meet the daily work requirement, and a Linux operating system can be fully competent; further examples are some professional systems: POS cash register, cash dispenser, airport information terminal, tax control machine, police terminal etc. operate specific software, through appropriate adaptation, the Linux operating system can satisfy the requirement, and these uses summarize promptly and be embedded application.
In view of the free nature of the Linux operating system, when used as an embedded application, the following problems may occur:
once an image is created to run on a specific piece of hardware, if any copy is possible without restriction, replacing untested hardware platforms may fail, thus increasing management difficulty and reducing system availability.
Secondly, for a specific embedded application, some security requirement may be involved, and if the operation can be copied at will, the security of the system is reduced.
Third, the benefits of developers cannot be guaranteed, a large amount of manpower and material resources are consumed for developing and customizing a specific Linux operating system, the investment cost is high, continuous upgrading and improvement of the Linux operating system can be promoted only by guaranteeing commercial return, if any copy can be made, a large amount of low-price competition can be caused, and the benefits of the developers are seriously damaged.
Disclosure of Invention
The invention aims to overcome the technical problems in the prior art and provides a Linux operating system-based copyright protection method and equipment which can effectively prevent any copy of a Linux operating system so as to protect the copyright of the Linux operating system.
The purpose of the invention is realized as follows:
a copyright protection method based on a Linux operating system comprises the following steps:
step 1), powering up and starting copyright protection equipment, wherein the copyright protection equipment at least comprises a physical disk and a security chip, the physical disk stores a mirror image compression file of a Linux operating system, and the security chip is internally provided with a corresponding characteristic value;
step 2), decompressing a mirror image compression file of the Linux operating system, loading the mirror image compression file into a memory, constructing an inner core based on the Linux operating system and guiding to start the inner core;
step 3), calling a system process program, starting system service and entering a system initialization stage;
step 4), starting a copyright protection application program, and enabling the copyright protection application program to communicate with a security chip through a specific protocol;
step 5), enabling the copyright protection application program to receive the data transmitted by the security chip in a polling mode, and detecting whether the data contains a corresponding characteristic value;
step 6), if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating the Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system.
Further, the security chip and the copyright protection application program share a secret key in advance, the copyright protection application program is preset with a corresponding characteristic value, and the security chip encrypts the characteristic value by adopting the shared secret key to obtain a characteristic value ciphertext; the copyright protection application program receives the characteristic value ciphertext and decrypts by adopting the shared secret key to obtain a characteristic value, then matches the characteristic value obtained by decryption with a preset characteristic value, if the matching is consistent, the detection is successful, and the Linux operating system is normally operated; if the match is not consistent, the polling continues to receive and match the feature values.
Further, the polling mode is provided with a polling limited number of times; within the polling limited times, if the detection function detects the corresponding characteristic value, the Linux operating system is normally operated; if the detection function does not detect the corresponding characteristic value, directly ending the Linux operating system; the limited number of polling times ranges from 3 to 10 times, and the time period of each polling detection is 1 to 10 seconds.
Further, the starting of the system service and entering the system initialization stage specifically include: firstly, determining the running level through the/etc/inittab file, and then executing the system initialization script/etc/rc.
Further, after the Linux operating system is normally run, the method further includes: and entering a user login interface, and entering a system operation interface after a user inputs a correct password.
Further, before decompressing the image compression file of the Linux operating system and loading the image compression file into the memory, the method further includes: loading the hardware information of the BIOS and acquiring first starting equipment; reading a main boot record of a first starting device and copying the main boot record into a memory; and operating Boot Loader, initializing hardware equipment and establishing a mapping map of a memory space.
Further, the specific protocol is to support any one or more of a USB communication protocol, an ISO7816 communication protocol, and an SD card communication protocol.
A copyright protection device used for realizing the copyright protection method based on the Linux operating system at least comprises a physical disk and a security chip, wherein the physical disk stores a mirror image compression file of the Linux operating system, and a corresponding characteristic value is arranged in the security chip; the copyright protection equipment is plugged into a PC (personal computer) through a data line, and a Linux operating system is started and operated by means of a memory, a display and control module and a power supply module of the PC; after powering on and starting the copyright protection equipment, decompressing a mirror image compression file of the Linux operating system and loading the mirror image compression file into a memory, constructing an inner core based on the Linux operating system and guiding to start the inner core; calling a system process program, starting system service and entering a system initialization stage; starting a copyright protection application program, and enabling the copyright protection application program to communicate with a security chip through a specific protocol; enabling the copyright protection application program to receive the data transmitted by the security chip in a polling mode and detecting whether the data contains a corresponding characteristic value; if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating a Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system.
Further, when the Linux operating system is started and run, the copyright protection device comprises the following components:
1) the hardware Boot starting comprises the steps that after a user turns on the power supply of the PC, the POST starts self-checking, whether hardware equipment is really or not in fault or whether normal starting is influenced is detected, if the normal starting is not influenced, a task is given to the BIOS, the BIOS determines starting equipment through searching and installation starting, the starting item is a hard disk, the BIOS reads the first 512 bytes of the hard disk to a memory, a Boot Loader is found, and GRUB is determined;
2) the GRUB Boot kernel comprises a GRUB program loading execution and a Boot kernel program, the Boot Loader is a small segment of program which runs before the kernel of the operating system runs, and the kernel program can be determined through GRUB Boot;
3) the kernel boot starting comprises the steps of realizing the driving of related equipment and establishing and switching to a real root file system by establishing a virtual root file system in a memory, decompressing a kernel mirror image and loading the kernel mirror image to the memory, and after an initrd program establishes a RAMDISk memory virtual root file system, the kernel starts to drive basic hardware and calls an init program loading driving module in the virtual root file system to initialize the related configuration work of various equipment in the system, wherein the kernel mirror image comprises a CPU, an I/O and storage equipment;
4) and the system initialization comprises the steps of preparing a software running environment through a/sbin/init program and starting system service. Determining an operation level through an/etc/inittab file, then executing a system initialization script/etc/rc.sysinit to initialize a user space environment for a user, and after the initialization is completed, starting a directory starting service of a corresponding level by the system according to the operation level;
5) starting the Linux operating system and the user login comprises the steps that a user inputs a user name and a password on a system login interface, after the user finishes inputting and confirms, a login program is called, the password is checked, if the password is correct, the operating interface software specified by the user is read from a file/etc/password, and then the operating interface software is started.
The copyright protection device comprises a memory, a physical disk and a security chip, and can be connected with a display and control module, a power supply module, a keyboard and a mouse of external peripheral equipment to start the Linux operating system.
The invention provides a Linux operating system-based copyright protection method and equipment, wherein data transmitted by a security chip is received in a polling mode through a copyright protection application program, and whether the data contains a corresponding characteristic value is detected; if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating a Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system. Even if others copy the image file of the Linux operating system, the Linux operating system cannot be normally started on other equipment because the corresponding characteristic value cannot be polled and detected, so that arbitrary copying of the Linux operating system is effectively prevented, and the copyright of the Linux operating system is protected.
The invention and the advantages described above will become more apparent in the description part of the embodiments below.
Drawings
FIG. 1 shows a flowchart of a method for preventing copy based on Linux operating system.
Fig. 2 shows a block diagram of a PC and a copyright protection device based on the Linux operating system according to the present invention.
Detailed Description
The present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein the above objects, features and advantages of the present invention are more clearly understood and appreciated in view of the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a flowchart of a method for protecting copyright based on Linux operating system according to the present invention.
As shown in fig. 1, a first aspect of the present invention provides a method for protecting copyright based on a Linux operating system, where the method includes the following steps:
step 1), powering up and starting copyright protection equipment, wherein the copyright protection equipment at least comprises a physical disk and a security chip, the physical disk stores a mirror image compressed file of a Linux operating system, and the security chip is internally provided with a corresponding characteristic value;
step 2), decompressing a mirror image compression file of the Linux operating system, loading the mirror image compression file into a memory, constructing an inner core based on the Linux operating system, and guiding to start the inner core;
step 3), calling a system process program, starting system service and entering a system initialization stage;
step 4), starting a copyright protection application program, and enabling the copyright protection application program to communicate with a security chip through a specific protocol;
step 5), the copyright protection application program receives the data transmitted by the security chip in a polling mode and detects whether the data contains a corresponding characteristic value;
step 6), if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating the Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system.
Further, the security chip and the copyright protection application program share a secret key in advance, the copyright protection application program is preset with a corresponding characteristic value, and the security chip encrypts the characteristic value by adopting the shared secret key to obtain a characteristic value ciphertext; the copyright protection application program receives the characteristic value ciphertext and decrypts by adopting the shared secret key to obtain a characteristic value, then matches the characteristic value obtained by decryption with a preset characteristic value, if the matching is consistent, the detection is successful, and the Linux operating system is normally operated; if the match is not consistent, the polling continues to receive and match the feature values.
Further, the polling mode is provided with a polling limited number of times; within the polling limited times, if the detection function detects the corresponding characteristic value, the Linux operating system is normally operated; and if the detection function does not detect the corresponding characteristic value, directly ending the Linux operating system.
Preferably, the polling limited number of times ranges from 3 to 10 times, and the time period of each polling detection is 1 to 10 seconds. But is not limited thereto.
Further, starting a system service and entering a system initialization stage specifically includes: and determining the running level through the/etc/inittab file, and then executing a system initialization script/etc/rc.
Further, after the Linux operating system is normally run, the method further includes: and entering a user login interface, and entering a system operation interface after a user inputs a correct password.
It should be noted that, let the user input the user name and password, after the input is completed, invoke the login program, check the password, if the password is correct, read the system operation interface specified by the user from the file/etc/password, and then start the system operation interface.
Further, before decompressing the image compression file of the Linux operating system and loading the image compression file into the memory, the method further includes: loading the hardware information of the BIOS and acquiring first starting equipment; reading a main boot record of a first starting device and copying the main boot record into a memory; and operating Boot Loader, initializing hardware equipment and establishing a mapping map of a memory space.
It should be noted that Boot Loader is a small program that runs before the kernel of the operating system runs. Through the small program, hardware equipment can be initialized, and a mapping chart of a memory space can be established, so that the software and hardware environment of the system is brought to a proper state, and all preparation is made for finally calling an operating system kernel. In general, Boot loaders are implemented heavily depending on hardware, and different Boot loaders exist for systems with different architectures.
Preferably, the specific protocol of the present invention supports any one or more of a USB communication protocol, an ISO7816 communication protocol, and an SD card communication protocol. But is not limited thereto.
The second aspect of the present invention further provides a Linux operating system-based copyright protection device, configured to implement the Linux operating system-based copyright protection method, where the copyright protection device includes at least a physical disk and a security chip, where the physical disk stores a mirror image compressed file of the Linux operating system, and the security chip has a corresponding feature value;
powering up and starting the copyright protection device; decompressing a mirror image compression file of a Linux operating system, loading the mirror image compression file into a memory, constructing a kernel based on the Linux operating system, and guiding to start the kernel; calling a system process program, starting system service and entering a system initialization stage; starting a copyright protection application program, and enabling the copyright protection application program to communicate with a security chip through a specific protocol; enabling the copyright protection application program to receive the data transmitted by the security chip in a polling mode and detecting whether the data contains a corresponding characteristic value; if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating a Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system.
It is understood that the copyright protection device of the present invention can be characterized in two forms, namely, a first copyright protection device and a second copyright protection device:
as shown in fig. 2, the first copyright protection device only includes a physical disk and a security chip, and is plugged into a PC through a data line, and starts a Linux operating system by using a memory, a display/control module, and a power module of the PC. The specific starting steps are as follows:
hardware boot start
When the user turns on the power of the PC, the POST starts self-checking to detect whether the hardware equipment is real or has faults (whether normal startup is influenced), and if the normal startup is not influenced, the task is handed to the BIOS. And the BIOS determines starting equipment through searching and installation starting, wherein the starting item is a hard disk, the BIOS reads the first 512 bytes of the hard disk to a memory, finds a Boot Loader and determines GRUB.
Second, GRUB guide start kernel
The GRUB program is loaded and executed and starts to Boot the kernel program, the Boot Loader is a small segment of program which runs before the kernel of the operating system runs, and the kernel program can be determined through GRUB booting.
Third, kernel boot start
The driving of relevant equipment is realized by establishing a virtual root file system in the memory, and the real root file system is established and switched. After the kernel mirror image is decompressed and loaded to the memory and the initrd program establishes the RAMDISK memory virtual root file system, the kernel starts to drive the basic hardware and calls an init program loading drive module in the virtual root file system to initialize the relevant configuration work of various devices in the system, wherein the relevant configuration work comprises a CPU, an I/O, a storage device and the like. After loading the required driver, creating a root device according to the grub. conf configuration file, then mounting the root file system in a read-only mode, switching to the real root file system, calling the/sbin/init program of the system process, and entering the system initialization stage.
Fourth, system initialization
And preparing a software running environment through a/sbin/init program, and starting system service. Determining the operation level through the/etc/inittab file, then executing the system initialization script/etc/rc.sysinit to initialize the user space environment for the user, and after the initialization is completed, starting the directory starting service of the corresponding level by the system according to the operation level.
Fifthly, starting the Linux operating system and logging in by the user
And inputting a user name and a password by the user on a system login interface, calling a login program after the input is finished and confirmed, and checking the password. And if the password is correct, reading the operation interface software specified by the user from the file/etc/password, and then starting the operation interface software.
The second copyright protection device comprises a memory, a physical disk and a security chip; compared with the first copyright protection device, the Linux operating system can be started by connecting the second copyright protection device with external display and control modules, power modules, keyboards, mice and other peripheral devices in the actual application process.
According to the embodiment of the invention, the copyright protection device is externally provided with the plug-in connector, and the copyright protection device is plugged in the sockets of the PC and other peripheral devices through the plug-in connector. Preferably, the plug may be any one of a USB interface, a Type-C interface, and a Lightning interface, but is not limited thereto.
The invention provides a Linux operating system-based copyright protection method and equipment, wherein data transmitted by a security chip is received in a polling mode through a copyright protection application program, and whether the data contains a corresponding characteristic value is detected; if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating a Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system. Even if others copy the image file of the Linux operating system, the Linux operating system cannot be normally started on other equipment because the corresponding characteristic value cannot be polled and detected, so that arbitrary copying of the Linux operating system is effectively prevented, and the copyright of the Linux operating system is protected.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A copyright protection method based on a Linux operating system is characterized by comprising the following steps:
step 1), powering up and starting copyright protection equipment, wherein the copyright protection equipment at least comprises a physical disk and a security chip, the physical disk stores a mirror image compression file of a Linux operating system, and the security chip is internally provided with a corresponding characteristic value;
step 2), decompressing a mirror image compression file of the Linux operating system, loading the mirror image compression file into a memory, constructing an inner core based on the Linux operating system and guiding to start the inner core;
step 3), calling a system process program, starting system service and entering a system initialization stage;
step 4), starting a copyright protection application program, and enabling the copyright protection application program to communicate with a security chip through a specific protocol;
step 5), enabling the copyright protection application program to receive the data transmitted by the security chip in a polling mode, and detecting whether the data contains a corresponding characteristic value;
step 6), if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating the Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system.
2. The Linux operating system-based copyright protection method according to claim 1, wherein the security chip and the copyright protection application program share a secret key in advance, the copyright protection application program is preset with a corresponding characteristic value, and the security chip encrypts the characteristic value by using the shared secret key to obtain a characteristic value ciphertext; the copyright protection application program receives the characteristic value ciphertext and decrypts by adopting the shared secret key to obtain a characteristic value, then matches the characteristic value obtained by decryption with a preset characteristic value, if the matching is consistent, the detection is successful, and the Linux operating system is normally operated; if the match is not consistent, the polling continues to receive and match the feature values.
3. A Linux operating system-based copy right protection method as claimed in claim 1, wherein the polling means is configured to poll a limited number of times; within the polling limited times, if the detection function detects the corresponding characteristic value, the Linux operating system is normally operated; if the detection function does not detect the corresponding characteristic value, directly ending the Linux operating system; the limited number of polling times ranges from 3 to 10 times, and the time period of each polling detection is 1 to 10 seconds.
4. The copy protection method according to claim 1, wherein the starting of the system service and the entering of the system initialization stage specifically include: firstly, determining the running level through the/etc/inittab file, and then executing the system initialization script/etc/rc.
5. The Linux operating system-based copy protection method of claim 1, wherein after the Linux operating system is normally run, the method further comprises: and entering a user login interface, and entering a system operation interface after a user inputs a correct password.
6. The Linux operating system-based copy protection method according to claim 1, wherein before decompressing the image compression file of the Linux operating system and loading the image compression file into the memory, the method further comprises: loading the hardware information of the BIOS and acquiring first starting equipment; reading a main boot record of a first starting device and copying the main boot record into a memory; and operating Boot Loader, initializing hardware equipment and establishing a mapping map of a memory space.
7. The method of claim 1, wherein the specific protocol is one or more of a USB communication protocol, an ISO7816 communication protocol, and an SD card communication protocol.
8. A copyright protection device for implementing the Linux operating system-based copyright protection method according to any one of claims 1 to 7, wherein the copyright protection device at least comprises a physical disk and a security chip, the physical disk stores a mirror image compressed file of the Linux operating system, and the security chip is internally provided with a corresponding characteristic value; the copyright protection equipment is plugged into a PC (personal computer) through a data line, and a Linux operating system is started and operated by means of a memory, a display and control module and a power supply module of the PC;
after powering on and starting the copyright protection equipment, decompressing a mirror image compression file of the Linux operating system and loading the mirror image compression file into a memory, constructing an inner core based on the Linux operating system and guiding to start the inner core; calling a system process program, starting system service and entering a system initialization stage; starting a copyright protection application program, and enabling the copyright protection application program to communicate with a security chip through a specific protocol; enabling the copyright protection application program to receive the data transmitted by the security chip in a polling mode and detecting whether the data contains a corresponding characteristic value; if the copyright protection application program detects the corresponding characteristic value in a preset time period, normally operating a Linux operating system; and if the copyright protection application program does not detect the corresponding characteristic value in the preset time period, feeding back to the system process program and finishing running the Linux operating system.
9. The Linux operating system-based copyright protection device of claim 8, wherein the Linux operating system-based copyright protection device comprises the following components when starting and running the Linux operating system:
1) the hardware Boot starting comprises the steps that after a user turns on the power supply of the PC, the POST starts self-checking, whether hardware equipment is really or not in fault or whether normal starting is influenced is detected, if the normal starting is not influenced, a task is given to the BIOS, the BIOS determines starting equipment through searching and installation starting, the starting item is a hard disk, the BIOS reads the first 512 bytes of the hard disk to a memory, a Boot Loader is found, and GRUB is determined;
2) the GRUB Boot kernel comprises a GRUB program loading execution and a Boot kernel program, the Boot Loader is a small segment of program which runs before the kernel of the operating system runs, and the kernel program can be determined through GRUB Boot;
3) the kernel boot starting comprises the steps of realizing the driving of related equipment and establishing and switching to a real root file system by establishing a virtual root file system in a memory, decompressing a kernel mirror image and loading the kernel mirror image to the memory, and after an initrd program establishes a RAMDISk memory virtual root file system, the kernel starts to drive basic hardware and calls an init program loading driving module in the virtual root file system to initialize the related configuration work of various equipment in the system, wherein the kernel mirror image comprises a CPU, an I/O and storage equipment;
4) the system initialization comprises the steps of preparing a software running environment through a/sbin/init program, starting system service,
determining an operation level through an/etc/inittab file, then executing a system initialization script/etc/rc.sysinit to initialize a user space environment for a user, and after the initialization is completed, starting a directory starting service of a corresponding level by the system according to the operation level;
5) starting the Linux operating system and the user login comprises the steps that a user inputs a user name and a password on a system login interface, after the user finishes inputting and confirms, a login program is called, the password is checked, if the password is correct, the operating interface software specified by the user is read from a file/etc/password, and then the operating interface software is started.
10. A copyright protection device for implementing the Linux operating system-based copyright protection method according to any one of claims 1 to 7, wherein the copyright protection device comprises a memory, a physical disk and a security chip, and is connected with a display and control module, a power module, a keyboard and a mouse of an external peripheral device to start the Linux operating system.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113821775A (en) * | 2021-09-29 | 2021-12-21 | 北京珞安科技有限责任公司 | Software copyright protection system and method based on Ubuntu operating system |
| CN114911538A (en) * | 2022-05-17 | 2022-08-16 | 武汉深之度科技有限公司 | Starting method of running system and computing equipment |
| CN117215664A (en) * | 2023-08-21 | 2023-12-12 | 白盒子(上海)微电子科技有限公司 | Quick starting method for multi-core DSP of system on chip |
-
2020
- 2020-06-05 CN CN202010504155.4A patent/CN111831976A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113821775A (en) * | 2021-09-29 | 2021-12-21 | 北京珞安科技有限责任公司 | Software copyright protection system and method based on Ubuntu operating system |
| CN114911538A (en) * | 2022-05-17 | 2022-08-16 | 武汉深之度科技有限公司 | Starting method of running system and computing equipment |
| CN114911538B (en) * | 2022-05-17 | 2024-07-19 | 武汉深之度科技有限公司 | Starting method of running system and computing equipment |
| CN117215664A (en) * | 2023-08-21 | 2023-12-12 | 白盒子(上海)微电子科技有限公司 | Quick starting method for multi-core DSP of system on chip |
| CN117215664B (en) * | 2023-08-21 | 2024-06-11 | 白盒子(上海)微电子科技有限公司 | Quick starting method for multi-core DSP of system on chip |
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