4609results about "Bootstrapping" patented technology

The invention relates to the technical field of vehicle regulation level MCU chip safety, and discloses a vehicle regulation MCU chip safety starting method and system based on a national secret algorithm, and the method comprises the following steps: taking a built-in BootROM of a chip as a root of trust, initializing a hardware safety module HSM, and loading a bootloader; the invention further discloses a vehicle regulation MCU chip safe starting system based on the national secret algorithm. The vehicle regulation MCU chip safe starting system comprises a safe starting management module, a secret key management and storage module, a firmware integrity verification module, a trusted execution environment module and an anomaly detection and defense module. According to the invention, through supporting cross-platform adaptation of ARMTrustZone and RISC-VPMP architectures, firmware version rollback protection and starting process isolation are introduced, and integrity measurement is carried out during operation, so that comprehensive safety protection of the vehicle-mounted MCU system in starting, updating and operation processes is realized.

A method for managing a storage system includes initiating, by a hardware resource manager, a boot-up of a storage controller managing the storage system comprising a plurality of storage devices, making a determination, by the storage controller, that the storage controller is in a secured mode, based on the determination: identifying a security state of each of the plurality of storage devices, determining that a storage device of the plurality of storage devices is in an unsecured state, and based on the unsecured state, sending, by the storage controller, a security operation request for securing the storage device, obtaining a secure state response from the hardware resource manager corresponding to securing the storage device, and based on the secure state response, resuming operation of the storage controller based on the secure mode.

The invention relates to the technical field of network set top boxes, and discloses a firmware segmented loading method and device in the starting process of a network set top box. The method comprises the following steps: performing firmware division on the network set top box to obtain a firmware segment set and an inter-segment dependency relationship matrix; determining a real-time state vector of the starting state based on hardware sensor data of the network set top box; performing starting stage identification on the network set top box according to the real-time state vector to obtain a current starting stage identifier and a time sequence optimization condition parameter; carrying out loading decision and Markov state transition analysis on the firmware segment set based on the current starting stage identifier and the inter-segment dependency relationship matrix to obtain a loading action sequence; and carrying out target path loading on the firmware segment set according to the loading action sequence and the time sequence optimization condition parameters to obtain a loading execution result. According to the method, the firmware segments can be flexibly combined and dynamically scheduled according to actual requirements, and the loading efficiency and stability under different network conditions are ensured.

The invention discloses an intelligent wake-up system and method for a mobile hard disk in a low-power-consumption mode, particularly relates to the technical field of wake-up control of the mobile hard disk, and is used for solving the problem that the mobile hard disk cannot accurately recognize a wake-up request in the low-power-consumption state. According to the method, the wakeup request in the low-power-consumption mode of the mobile hard disk is classified and identified, the operation type, the system running state and related behavior information are extracted, the multi-modal feature vector is constructed, and the request validity is intelligently predicted based on the integrated learning model, so that the wakeup judgment accuracy is improved, and the wakeup efficiency is improved. For the request with the prediction result in the uncertain interval, a short-time semi-activation window period is set, and secondary confirmation is performed by monitoring the host access behavior in real time, so that energy consumption waste and equipment loss caused by false wake-up are effectively avoided, self-adaptive response to the state change of the mobile hard disk is realized, and the service life of the mobile hard disk is prolonged. And the low-power-consumption intelligent control level and the energy-saving management capability are improved.

The invention discloses a single-chip microcomputer hierarchical dormancy control method based on dynamic power consumption prediction, and relates to the technical field of single-chip microcomputer low power consumption control, and the method specifically comprises the steps: building a mapping relation between a load current and a clock frequency; setting a dynamic dormancy threshold value; constructing a dynamic power consumption prediction model; a dormancy strategy is designed, module-level power consumption management and single-chip microcomputer function-based power consumption management are adopted, the callable frequency or the maximum operation duration of each function is distributed according to task priorities and battery residual energy consumption, and single-chip microcomputer peripherals are triggered through events and are independently awakened; and executing the sleep strategy, automatically awakening the single chip microcomputer according to a preset awakening condition, and realizing abnormity positioning and processing based on threshold comparison and power consumption monitoring in the process of executing the sleep strategy. According to the invention, module-level power consumption management and single-chip microcomputer function-based power consumption management are realized, the limitation of traditional global dormancy is broken, the need of overall reset during wakeup is avoided, and the response speed is improved while the energy consumption is reduced.

The invention provides a write-after-read conflict prediction method, device and equipment, which are applied to the technical field of data processing, and the method comprises the following steps: reading a to-be-transmitted loading instruction; the loading instruction is located in a loading queue of the out-of-order execution processor. Determining an index value of the loading instruction; the index value is used for quickly positioning a conflict record matched with the loading instruction in a historical conflict table of the out-of-order execution processor. The conflict record comprises a first storage instruction corresponding to the loading instruction. And when it is determined that the conflict record corresponding to the index value exists in the historical conflict table, setting the loading instruction to be in a suspended state. And after the execution of the first storage instruction is finished, executing the loading instruction. The problem that the execution efficiency of a processor is affected due to pipeline emptying and pause caused by write conflicts after reading can be solved.

The invention discloses a substrate management controller starting method, computer equipment, a medium and a product, and relates to the technical field of server management.The substrate management controller starting method comprises the steps that after a substrate management controller is started, a value of a first register is read, and a target running partition and an environment variable are determined based on a specific field of the first register; detecting whether the substrate management controller is abnormal or not in the operation stage; and if the abnormality exists, storing a reset reason in a specific field of the first register, and restarting the substrate management controller. After the substrate management controller is started, whether the operation stage is abnormal or not is detected, after the operation stage is abnormal, the reset reason and the abnormal operation process are stored in the first register, restarting is carried out, the first register is a register which does not lose data after restarting, and after starting, the value in the first register is read, so that the reset reason and the abnormal operation process are stored in the first register. And determining whether to partition or not in combination with a reset reason, thereby realizing intelligent switching of the redundant backup system.

A system of USB communicating camera comprising an integrated USB camera further comprising a USB communicating camera with a sensor, an image signal processor and integrated with a microcontroller having an image processing module, an inference unit, a first USB interface, a flash memory; a host system with a processor, a user interface application and a second USB interface to communicate to and from the USB communicable camera, the system is user configurable for different application specific pre-trained machine learning models. The user interface application is adapted to receive an application specific configuration data. The inference unit is an artificial intelligence inference unit that draws inference on image frames based on an input and the corresponding pre-trained machine learning model. The system deploys edge computing. A firmware residing in the flash memory remains unchanged when different application specific pre-trained machine learning models are loaded in the flash memory.

Embodiments of the present application provide a network interface card control method and apparatus for a server, a non-volatile readable storage medium, and an electronic device. The method comprises: when a target logic device on a server is powered on and starts, identifying a network interface card type of a target network interface card on the server by means of the target logic device; according to the network interface card type of the target network interface card, controlling a first power supply controller on the server to supply power to the target network interface card in a power supply mode matching the network interface card type of the target network interface card; when it is detected that the the target network interface card has been started, by means of the target logic device, controlling a second power supply controller on the server to supply power to a central processing unit of the server. By means of the present application, the efficiency of identifying a network interface card of a server is improved.

The invention discloses a software and hardware combined data interaction method and system based on a Modbus communication component. According to the method and the system, different types of Modbus slave devices are managed through a unified communication configuration file and a point table configuration file, so that compatible access to heterogeneous devices is realized; through an optimized point table analysis mechanism, efficient and self-adaptive data acquisition of discontinuous register addresses is supported, and fine processing and conversion are performed on different data types; a graphical configuration management tool is provided, and the equipment configuration and point table management process is simplified; and a standardized command model is used, so that unified control and data interaction of an upper-layer application on Modbus equipment are facilitated. According to the invention, the flexibility, usability and data interaction efficiency of Modbus communication can be remarkably improved, the system integration and operation and maintenance cost is reduced, and an efficient and reliable Modbus communication solution is provided for the field of industrial automation.

Techniques are disclosed for bootstrapping a secure data center using a cross domain system with a static sidecar node. The cross domain system can be implemented at the secure data center to provide one-way ingress and egress channels for network traffic to the target data center. The cross domain system is connected to a host data center and can receive configuration data from the host data center to configure the static sidecar node. The static sidecar node can receive bootstrapping data from the host data center and store the bootstrapping data. The bootstrapping data can include software resources for provisioning services in the secure data center. The received bootstrapping data passes into the secure data center via the ingress channel.

A firmware management operation. The firmware management operation includes providing an information handling system with a distributed BIOS; identifying a processor environment installed on an information handling system from a plurality of processor environments; performing a multi-processing unit type adaptive memory diagnostic acceleration operation, the multi-processing unit type adaptive memory diagnostic acceleration operation managing a memory diagnostic operation on system memory of the information handling system based upon the processor environment installed on the information handling system, the distributed BIOS performing a pre-boot portion of the multi-processing unit type adaptive memory diagnostic acceleration operation.

The invention relates to the technical field of computers, and discloses an embedded tablet touch optimization method and system based on heterogeneous computation.The embedded tablet touch optimization method based on heterogeneous computation.The method comprises the steps that information entropy values of different touch operations are calculated, a touch path Markov model is established, and the information entropy values of the different touch operations are calculated; identifying importance and touch state transition probabilities of different touch operations; calculating a user intention duration probability, and selecting a corresponding touch state storage strategy according to the user intention duration probability; distributing the touch processing data into heterogeneous memories of different levels, and optimizing a cache replacement strategy; intelligently distributing a touch control processing task to a heterogeneous computing unit; a differentiated dormancy strategy and a rapid wakeup mechanism of the heterogeneous computing unit are realized; according to the method, the touch response performance is improved, the interaction experience coherence is enhanced, the system resource utilization efficiency is optimized, and the method is suitable for embedded tablet equipment with limited computing resources, changeable application scenes and complex user use modes.

The invention provides a server management method, device and equipment and a storage medium, and belongs to the technical field of computer system architecture.The server management method comprises the steps that first equipment information of PCIe link equipment and second equipment information of SMBus link equipment are obtained; determining a device supporting a management component transport protocol (MCTP) based on the first device information and the second device information; constructing a heterogeneous equipment topological graph in the server based on the equipment supporting the MCTP protocol; determining a global unique logic identifier (EID) of each device in the heterogeneous device topological graph based on the first device information and the second device information, and constructing a global unique logic identifier mapping table based on the EIDs; and managing the internal equipment of the server according to the global unique logic identifier mapping table. According to the method, the unified management strategy of the heterogeneous bus equipment is integrated in the firmware system of the BMC, additional conversion equipment is not needed, and the design and maintenance cost of hardware is reduced.

The invention discloses a server starting control method and electronic equipment, relates to the technical field of computers, is applied to a universal boot loader, and comprises the following steps: obtaining a signature verification public key through an input interface; verifying and decrypting the signed mirror image header of the kernel mirror image by using the signature verification public key so as to recover the original mirror image header of the kernel mirror image; extracting a reference metric value of the kernel mirror image from the head of the original mirror image; calculating a to-be-verified metric value based on the kernel mirror image of which the head of the original mirror image is recovered, and comparing whether the to-be-verified metric value is consistent with the reference metric value or not; and if yes, loading the operating system. On the basis of not modifying the design of the server mainboard, active, complete and efficient trusted measurement of the BMC starting process is realized.

Some embodiments provide a neural network inference circuit (NNIC) for executing a neural network (NN) that includes computation nodes at multiple layers. The NNIC includes a set of processing circuits for executing the computation nodes of the NN, a set of memories for storing data used by the processing circuits to execute the NN layers, and a read controller for retrieving the data from the memories for use by the processing circuits. The data is stored in the memories as multiple varying-size blocks. The read controller receives read instructions for a requested block of data to be used by the processing circuits for one or more computation nodes. The read instructions include a base memory address for multiple blocks of data, a size of the requested block of data, and a location of the requested block of data within the multiple blocks of data.

The invention discloses a double-layer BootLoader method for supporting a UDS service of a new energy automobile, and the method comprises the steps: S1, starting a first layer BootLoader after a system is powered on, executing hardware initialization, receiving an external diagnosis instruction according to a UDS protocol, and judging whether a legal firmware updating request exists or not; if the updating request exists, entering a downloading mode; s2, new firmware data are received in a segmented mode through the block transmission function of the UDS service, signature is conducted after data integrity is verified in real time in the receiving process, then the first layer BootLoader temporarily stores new firmware in a backup storage area, version information is updated, and then system reset is triggered; s3, after the system is reset, activating the second layer BootLoader, reading the new firmware written into the backup storage area, verifying the integrity and function logic of the firmware again, and if verification fails, rolling back to the original version and recording an error log; and if the verification is successful, the second layer BootLoader skips to the updated application program area for execution. The firmware integrity is guaranteed, and system paralysis caused by single-point failure is avoided.

A firmware management operation. The firmware management operation includes providing an information handling system with a distributed BIOS, the distributed BIOS including a BIOS component and a BIOS variable; identifying a processor environment installed on an information handling system from a plurality of processor environments; performing a unified BIOS memory mapping operation, the unified BIOS memory mapping operation managing mapping firmware interrupts based upon the processor environment installed on the information handling system.

The invention relates to the technical field of communication, and discloses an awakening method, equipment and a storage medium. The wake-up method comprises the following steps: when a hardware device enters a sleep state, setting a data acquisition pin in a serial communication protocol interface in a power-off state in the hardware device as a trigger function. When a data acquisition pin receives a low level signal on a data line of a corresponding communication bus, a hardware device can be directly triggered to wake up from a sleep state; or when the data acquisition pin receives a low level signal on the data line of the corresponding communication bus, the serial communication protocol interface can be triggered to enter a working state, and after the serial communication protocol interface receives address data and an awakening instruction matched with the hardware device, the hardware device is awakened from the sleep state. Therefore, based on the method, when the hardware device enters the sleep state, the wake-up source (namely the serial communication protocol interface) can enter the power-off state, so that the power consumption of the electronic equipment is saved.

The invention provides a tool calling method and device, electronic equipment, a medium and a program product, and can be applied to the technical field of big data and the technical field of artificial intelligence. The method comprises the steps of obtaining target task information, inputting the target task information into a large language model for analysis, and generating a task planning response; a tool calling strategy is determined based on the task planning response, and the process of determining the tool calling strategy comprises the steps of judging whether an external tool is called or not and determining the type of the tool; under the condition that an external tool needs to be called, utilizing a first cue word template to guide the large language model to extract parameter information of a target tool from the target task information; and calling the target tool based on the parameter information to obtain first task response information returned by the target tool.

The invention discloses a system function execution method and device, and relates to the technical field of servers, the method comprises the steps that a first configuration interface of a control system of a server is displayed, a first tab is displayed on the first configuration interface, and the first tab is used for configuring an operation mode configuration item of a processor of the server; in response to a confirmation operation triggered on the first configuration interface, storing an option value of a first tab on the first configuration interface; detecting the configuration state of the option value of the first tab in the starting process of the server; when it is detected that the configuration state is the target state, an adjusting function is executed through the control system in the running process of the processor, and the adjusting function is used for adjusting the running frequency of the processor. Through the method and the device, the technical effect of improving the operation flexibility of the processor of the server is achieved.

The invention provides a task synchronization method and device, electronic equipment and a storage medium. The method comprises the following steps: a source chip and a target chip respectively receive task packets carrying unique identifiers; the source chip randomly allocates a first barrier identifier for the task packet, and establishes a local mapping table of the unique identifier and the first barrier identifier; the target chip randomly allocates a second barrier identifier for the same task packet and establishes a local mapping table of the unique identifier and the second barrier identifier, and the first barrier identifier and the second barrier identifier are mutually independent; after finishing local operation, the target chip sends a synchronization ready signal containing a unique identifier to the source chip through the inter-chip communication path; the source chip queries a local mapping table according to the unique identifier, obtains a corresponding first barrier identifier and triggers a synchronization signal; and when the source chip counts that the number of the synchronization signals of the first barrier identifier meets the preset condition, the cross-chip task is executed, so that the task synchronization efficiency and the parallel computing capability of the cross-chip task are improved.

The invention relates to the technical field of computers, in particular to a switching method and device for a topological structure of extension equipment, equipment and a medium. According to the embodiment of the invention, a manual topology switching mode is thoroughly innovated through a full-automatic process and flexible hardware configuration. A user only needs to trigger a request, the system can automatically complete drive flashing, interface state updating and topology switching, manual equipment disassembly and assembly and cable adjustment are not needed, the operation complexity is greatly reduced, and human input and time cost are reduced. The switch board card supports dynamic port connection, and the risk of error proneness of manual wiring is avoided in combination with precise control of a register and a drive program. Meanwhile, after the server is restarted, the new topology is automatically applied, switching failure caused by manual operation errors is avoided, research and development efficiency is greatly improved, extra development cost caused by topology switching failure is reduced, and efficient switching of the peripheral topology architecture of the server is achieved.

The invention provides a display control method which can be applied to the technical field of display. The display control method comprises the following steps: controlling a display to display first information in response to detecting that a server is started; the first information is used for indicating the processor to respond to first interface content of the starting operation; after the processor is started, responding to the detection that the first controller and / or the second controller execute the initialization operation, updating the first information by using the second information, and controlling the display to display the second information; wherein the second information is used for indicating the second interface content of the initialization state of the first controller and / or the second controller. The invention further provides a display control device, a medium and a program product.

The invention discloses an architecture system applied to embedded system development, and relates to the field of embedded system development, and the architecture system comprises an application layer which is used for executing business logic in an embedded system and managing the configuration of the embedded system, and the application layer is developed by adopting a Lua script; the hardware abstraction layer provides a unified hardware access interface; and the virtualization interface layer is used for providing a uniform interface for the application layer, so that the application layer can access the hardware resources of the hardware abstraction layer and call the system service in the embedded system. According to the method and the device, the problem that cross-platform transplantation is difficult due to the fact that a C language direct programming mode is adopted in an embedded system in the related technology is solved.

The invention discloses a Linux container-based Android and open source gap dual-system collaborative operation method, relates to the technical field of operation system collaboration, and aims to reduce resource occupation and improve collaboration and switching coherence, and the method comprises the following steps: step 1, by taking an Android as a host, creating a container isolation running domain, starting a namespace and managing resources by a control group; the method comprises the following steps: presetting a binder virtualization and three-state template; 2, deploying an open source gap in a container, mounting a shared directory in a directory binding manner, configuring bridging or address translation, and establishing copy-on-write and snapshot identifiers; and step 3, establishing a cross-system binder channel, and setting a service registration agent in a service manager and completing mapping of a handle and an authority domain by combining a shared memory and a local socket. And step 4, executing system switching without restarting, enabling one foreground and the other background through a foreground interface and continuous quota assignment, freezing a background session, limiting the speed of background heartbeat, and returning according to a snapshot when an exception occurs.

The invention provides a dual-storage system starting method and device. An architecture in which a master control chip SOC works cooperatively with an external memory DDR, a nonvolatile memory SPI NOR and an SD card is adopted. After the SOC is powered on, a BootROM guide code is executed, a system is initialized, ID Blocks containing a DDR initialization program and an SPL secondary loading program are sequentially obtained and verified from multiple storage media, the DDR initialization program is loaded, DDR is initialized, and the SPL secondary loading program is loaded to the DDR to run. The method comprises the following steps of: firstly, loading an SD (Secure Digital) card, then loading U-Boot firmware, completing initialization of residual hardware and security mirror verification, then detecting and verifying a kernel mirror format and Header information in the SD card, then loading a Linux kernel, an equipment tree and a ramdisk, mounting rootfs to an RAM (Random Access Memory) space, and mounting the SD card as a user data storage space. According to the method, high reliability of system guiding is ensured through the SPI NOR, large-capacity storage and flexible upgrading are achieved through the SD card, and the comprehensive performance of the embedded system in the aspects of reliability, storage expansibility and cost effectiveness is remarkably improved.

The invention discloses a model deployment method and device combined with hardware deployment, and the method comprises the steps: constructing a hardware topological graph corresponding to equipment nodes according to the equipment nodes in a target model deployment environment and a connection relation corresponding to each equipment node; analyzing a dependency relationship of a target operator in the target model to generate a model calculation graph corresponding to the target operator; calculating a target matching value between the equipment node and the target operator by using a preset evaluation algorithm according to the hardware topological graph and the model calculation graph; and determining a deployment scheme corresponding to the target model according to the target matching value and a preset grading strategy. By sensing a dynamic matching mechanism of a hardware state and a model calculation graph in real time, an optimal deployment strategy is automatically generated, and adaptive optimization is triggered when hardware topology or resource conditions change, so that real-time collaborative adaptation of a model segmentation strategy and a heterogeneous environment is realized, and the deployment automation level and the system elasticity are remarkably improved.

The invention provides an edge server dynamic activation method and system based on deep reinforcement learning, and the method comprises the following steps: S1, building system models, including building a network model, an energy consumption model, a communication and service delay model and a state switching cost model, the network model including RES and MES; s2, optimizing a network model by calculating the sum of the cost of the energy consumption model, the communication and service delay model and the state switching cost model; s3, constructing a Markov decision process model, and improving RES stability; s4, predicting a traffic load; s5, calculating a baseline value; s6, training the network model through a centralized intelligent scheduling algorithm CDDS to obtain a trained strategy network model; s7, dividing the trained strategy network model through a federated distributed intelligent scheduling algorithm FDDS, and training the model based on federated learning to obtain a DDPG model; and S8, the DDPG model is deployed to each RES.

An information handling system node includes a hardware processor, a memory device, a power management unit with a peripheral device node operatively coupled to the information handling system node. The hardware processor may execute computer-readable program code of a custom event and device manageability service sub-agent to discover the peripheral device node operatively coupled to the information handling system node including a unique peripheral device identification (ID), request and receive, via a unified device application programming interface module, peripheral device capabilities and event IDs, where the event IDs describe custom events that are transmittable via any bus protocol from the peripheral device node, and register for custom event notifications with the peripheral device node by sending callback messages to the peripheral device node describing which custom events to receive custom event notifications about and setting custom event triggers that trigger the custom event notifications.