CN113806289A - Reconfigurable component dynamic deployment method based on software communication architecture - Google Patents
Reconfigurable component dynamic deployment method based on software communication architecture Download PDFInfo
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- CN113806289A CN113806289A CN202110931251.1A CN202110931251A CN113806289A CN 113806289 A CN113806289 A CN 113806289A CN 202110931251 A CN202110931251 A CN 202110931251A CN 113806289 A CN113806289 A CN 113806289A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7867—Architectures of general purpose stored program computers comprising a single central processing unit with reconfigurable architecture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
- G06F9/4451—User profiles; Roaming
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
- G06F9/4482—Procedural
Abstract
The invention discloses a reconfigurable component dynamic deployment method based on a software communication system structure, which separates waveform application from the environment in which a waveform runs, thereby reducing the coupling between waveform application creation and waveform deployment and other parts of the waveform; the combination of the waveform creation based on the component manager and the waveform component self-reconfiguration method reduces the coupling between software and hardware and improves the portability of the waveform component. The invention meets the requirements of dynamic establishment and deployment of the SCA waveform component, solves the problems that the establishment and deployment operations of the waveform component are mixed with other operations and the coupling degree is high, and thus improves the reusability, the transportability and the maintainability of the waveform.
Description
Technical Field
The present invention relates to dynamic deployment of waveform components in Software Defined Radio (SDR) systems, and more particularly to a reconfigurable component dynamic deployment method based on the software communications architecture (SCA for short).
Background
Due to the rapid development of communication technology and the proliferation of user demands, software radio systems are frequently updated. In order to reduce the loss of software radio system development and ensure the connectivity and continuity between new and old software radio systems, the SCA is used as a standard communication software structure of an embedded system, provides a specification for constructing a standard, open and interoperable radio software system, and ensures the portability, the partitionability, the expandability and the reusability of communication software and hardware modules. Software radio systems developed based on the SCA specification enable interworking, interconnection and interoperation.
The waveform application in the SCA specification consists of a resource component and a device component. The resource components relate to the abstraction of software functions in the waveform, such as data processing and control, independent of the particular hardware device, while the device components relate to the portion of the waveform that is processed by the dedicated hardware, which is an abstraction of the particular hardware device. The resource components are typically data processing except for the mount controller, and therefore need to have data ports. The data ports are divided into a supply port and a consumption port. The SCA specification merely specifies the general idea of waveform creation and deployment, and provides no specific implementation technique for how to implement dynamic deployment of waveform components on different processors. The concrete points are as follows:
(1) the creation of the waveform component has no uniform interface with the deployment of the waveform component. The operation of waveform creation and the operation of waveform deployment are mixed together, which can increase the software and hardware coupling degree in a software communication system, and is not beneficial to improving the universality of waveform component deployment.
(2) Dynamic deployment of waveform components on different processors is not implemented. The SCA specification only addresses the requirements for dynamic deployment of waveform components and does not specify a specific implementation thereof.
Disclosure of Invention
The invention aims to provide a reconfigurable component dynamic deployment method based on a software communication architecture, which separates a waveform application from the environment in which the waveform runs, thus reducing the coupling between waveform application creation and waveform deployment and other parts of the waveform; the combination of the waveform creation based on the component manager and the waveform component self-reconfiguration method reduces the coupling between software and hardware and improves the portability of the waveform component. The invention meets the requirements of dynamic establishment and deployment of the SCA waveform component, solves the problems that the establishment and deployment operations of the waveform component are mixed with other operations and the coupling degree is high, and thus improves the reusability, the transportability and the maintainability of the waveform.
The invention aims to be realized by the following technical scheme:
a reconfigurable dynamic component deployment method based on a software communication architecture, implemented by a component manager, comprising the following steps:
step 1-1) the deployment component searches a device matched with the deployment condition of the component from a device list of the domain manager;
step 1-2) after obtaining the equipment matched with the component, the deployment domain manager obtains the software assembly description file SPD of the component through the local file service interface, and obtains the implementation information of the component and the dependence condition required by the operation of the component from the software assembly description file SPD through an XML parser;
step 1-3) calling an allocate Capacity interface of the equipment to distribute processing Capacity for the component and the component dependent software on the equipment;
step 1-4) selecting a satisfactory implementation description from the implementation information of the components, obtaining the equipment components depending on the operation of the components from the satisfactory implementation description, and loading the equipment components;
step 1-5) loading an executable program file of the component;
step 1-6) generating a starting parameter of the component, and calling an execute running component;
step 1-7) calling a configuration attribute function of the waveform component, and performing first attribute configuration operation after dynamic deployment on the waveform component;
step 1-8) calling a registered waveform application function of the domain manager, and registering the created waveform application into the domain manager;
step 1-9) writing log information in the process of creating waveform application and deploying waveform components into a log;
step 1-10) returns the created waveform to be applied to the waveform manager client.
According to the above feature, the creating a waveform application comprises the steps of:
step 2-1), the waveform factory calls a constructor of the component manager to create the component manager;
step 2-2) the component manager transmits the name of the waveform application to be created, the equipment component on which the waveform application depends and the software package description SAD of the waveform application to the application factory object;
step 2-3) the component manager firstly checks whether the path of the software assembly description file SPD of the waveform application to be created is an absolute path in the operating system, if not, an exception is prompted, otherwise, the step 2-4) is carried out;
step 2-4) traversing a waveform application list in the registered application factory in the domain manager to judge whether the waveform application is installed or not, and if not, creating an application factory object for creating the waveform application;
step 2-5) loading and operating resource components and equipment components forming the waveform application according to information in the software package description file SAD, and initializing the resource components and the equipment components;
step 2-6) after the creation is successful, outputting an Event of the Type of Domain Management Object Added Event Type to the Event channel.
According to the above feature, the deployment waveform assembly comprises the steps of:
step 3-1), a general processor GPP analyzes a reconfiguration control command input by a user, determines a waveform component to be replaced and a configuration file of the waveform component, and then sends the command to a container;
step 3-2) after the message distribution module in the container distributes the reconfiguration control command to the control module, the control module executes on-off control of the bus macro;
step 3-3) the message distribution module disconnects the bus macro to enter a reconfiguration state after receiving a disable command of GPP, and returns a state signal fed back by the dynamic control region PR to GPP through an object-based request agent ORB user interface;
step 3-4) the GPP sends an enable command after receiving the returned ORB user interface instruction, and the control module is connected with the bus macro again;
step 3-5) the GPP control program analyzes and determines the storage address of the configuration file of the waveform component, and the Xhwlcap _ CF2Icap () function downloads the local configuration file of the waveform component into the SRAM unit through the ICAP port;
step 3-6) distributing the configuration data in the SPD to an ORB _ OCP adapter by a message distribution module of the container;
and 3-7) entering PR from the Slave receiving end of the interconnection module reaching the OCP interface to complete reconfiguration.
The invention has the beneficial effects that:
1. the waveform creation based on the component manager provided by the invention selects loadable logic equipment according to the capability of component dependence, and provides convenience for subsequent integrated secondary development.
2. The waveform component self-reconfiguration method reduces the dependency of waveform software on hardware through self-reconfiguration of waveform component deployment, and improves the universality of the waveform component for the designed waveform structure and component interface.
3. The dynamic deployment method of the waveform component provided by the invention can meet the requirements of dynamic creation and deployment of the SCA waveform component, solves the problem that the waveform creation and deployment operations are mixed together, and reduces the high coupling degree of software and hardware in a software communication system.
Drawings
FIG. 1 is a flow diagram of component manager based waveform creation.
Fig. 2 is a partial reconfiguration message distribution flow diagram.
Fig. 3 is a data flow diagram of a self-reconfigurable system.
FIG. 4 is a flow diagram of dynamic deployment of components.
Fig. 5 is a system block diagram of a complete set of dynamically deployed reconfigurable components.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The relevant description in the SCA specification is given first:
a core framework: the method provides management and operation environment for waveform components, performs higher-level packaging on bottom layer software and hardware on an operating system, and provides standardized interfaces and service of dark turning, unloading, configuration and management for waveform application.
A middleware: and the heterogeneity of the embedded operating system and the heterogeneity of the network protocol are shielded, and cross-platform communication of the application software in the distributed environment is realized.
A domain manager: and managing the wave component resources in the domain, registering and deregistering the device manager, and taking charge of the creation of the wave application and the wave function management.
The component manager: inheriting a self-deployment component launcher class for realizing dynamic deployment of the waveform component.
A waveform component: refers to an independently defined waveform application or functional unit of a waveform, which can be independently designed and deployed and is the most basic functional unit in a waveform application.
Resource components: is a software level abstraction for waveform control and processing.
Waveform factory: a collection of waveforms of different functions.
An application factory: a collection of waveform applications of different functions.
A container: the waveform component instance is provided with the most direct operating environment and some local services based on the API, and comprises a message distribution module and a control module.
Partial reconfiguration: according to whether the functional modules in the software radio system need to be replaced dynamically or not, the whole design is divided into a plurality of modules, and the modules are partially reconfigurable and partially non-reconfigurable.
FPGA: is a hardware-specific implementation of a waveform component with an array of programmable interconnect gates whose logic functions can be redefined. The hardware implementing the waveform components is not limited to FPGAs.
Self-matching system data: the control signal and the data processing bit are used for providing input information for judging decision for the local reconfiguration controller, decoding functions and control instructions, providing selected component types and signals for the fuzzy module control and finally being used for waveform component processing.
Referring to fig. 4 and 5, the reconfigurable dynamic component deployment method based on the software communication architecture, implemented by the component manager, according to the embodiment includes the following steps:
step 1-1) the deployment component searches a Device matched with the deployment condition of the component from a Device list of the domain manager, wherein the type of the Device is a Loadable Device or an Executable Device;
step 1-2) after obtaining the equipment matched with the component, the deployment domain manager obtains the software assembly description file SPD of the component through the local file service interface, and obtains the implementation information of the component and the dependence condition required by the operation of the component from the software assembly description file SPD through an XML parser;
step 1-3) calling an allocate Capacity interface of the equipment to distribute processing Capacity for the component and the component dependent software on the equipment;
step 1-4) selecting a satisfactory implementation description from the implementation information of the components, obtaining the equipment components depending on the operation of the components from the satisfactory implementation description, and loading the equipment components;
step 1-5) loading an executable program file of the component;
step 1-6) generating a starting parameter of the component, and calling an execute running component;
step 1-7) calling a configuration attribute function of the waveform component, and performing first attribute configuration operation after dynamic deployment on the waveform component;
step 1-8) calling a registered waveform application function of the domain manager, and registering the created waveform application into the domain manager;
step 1-9) writing log information in the process of creating waveform application and deploying waveform components into a log;
step 1-10) returns the created waveform to be applied to the waveform manager client.
For the waveform application mentioned in the above dynamic deployment method of components, this embodiment provides, by way of example, a waveform application creation method based on a component manager, as shown in fig. 1, and includes the following steps:
step 2-1), the waveform factory calls a construction function of a Component Manager to create a Component Manager;
step 2-2) the component manager transmits the name of the waveform application to be created, the equipment component on which the waveform application depends and the software package description SAD of the waveform application to the application factory object;
step 2-3) the component manager firstly checks whether the path profile File Name of the software assembly description File SPD of the waveform application to be created is an absolute path in the operating system, whether the software assembly description File SPD of the waveform application can be correctly accessed through the operating system, and if the path profile File Name is Invalid, an invaid File Name exception is thrown out. Otherwise, continuing;
step 2-4) then traversing a waveform application list in the registered application Factory in the Domain Manager to judge whether the waveform application is installed or not, if not, creating an application Factory object for creating the waveform application, otherwise, causing an applicationstateerroror exception;
step 2-5) loading and operating resource components and equipment components forming the waveform application according to information in the software package description file SAD, initializing the resource components and the equipment components, such as initializing attributes, and distributing designated resources;
step 2-6) after the creation is successful, outputting an Event of the Type of Domain Management Object Added Event Type to the Event channel.
The embodiment also provides a waveform component self-reconfiguration method, which automatically deploys the waveform component by a container according to configuration data, as shown in fig. 2 and fig. 3, and includes the following steps:
step 3-1), a general processor GPP analyzes a reconfiguration control command input by a user, determines a waveform component to be replaced and a configuration file of the waveform component, and then sends the command to a container;
step 3-2) after the message distribution module in the container distributes the reconfiguration control command to the control module, the control module executes on-off control of the bus macro;
step 3-3) the message distribution module disconnects the bus macro to enter a reconfiguration state after receiving a disable command of GPP, and returns a state signal fed back by the dynamic control region PR to GPP through an object-based request agent ORB user interface;
step 3-4) the GPP sends an enable command after receiving the returned ORB user interface instruction, and the control module is connected with the bus macro again;
step 3-5) the GPP control program analyzes and determines the storage address of the configuration file of the waveform component, and the Xhwlcap _ CF2Icap () function downloads the local configuration file of the waveform component into the SRAM unit through an ICAP port (Internet content adaptation protocol port);
step 3-6) distributing the configuration data in the SPD to an ORB _ OCP adapter by a message distribution module of the container;
and 3-7) entering the PR region by the Slave receiving end of the interconnection module reaching the OCP interface (open core protocol interface) to complete reconfiguration.
Claims (3)
1. A reconfigurable dynamic component deployment method based on a software communication architecture, implemented by a component manager, comprising the following steps:
step 1-1) the deployment component searches a device matched with the deployment condition of the component from a device list of the domain manager;
step 1-2) after obtaining the equipment matched with the component, the deployment domain manager obtains the software assembly description file SPD of the component through the local file service interface, and obtains the implementation information of the component and the dependence condition required by the operation of the component from the software assembly description file SPD through an XML parser;
step 1-3) calling an allocate Capacity interface of the equipment to distribute processing Capacity for the component and the component dependent software on the equipment;
step 1-4) selecting a satisfactory implementation description from the implementation information of the components, obtaining the equipment components depending on the operation of the components from the satisfactory implementation description, and loading the equipment components;
step 1-5) loading an executable program file of the component;
step 1-6) generating a starting parameter of the component, and calling an execute running component;
step 1-7) calling a configuration attribute function of the waveform component, and performing first attribute configuration operation after dynamic deployment on the waveform component;
step 1-8) calling a registered waveform application function of the domain manager, and registering the created waveform application into the domain manager;
step 1-9) writing log information in the process of creating waveform application and deploying waveform components into a log;
step 1-10) returns the created waveform to be applied to the waveform manager client.
2. The method of claim 1, wherein said creating a waveform application comprises the steps of:
step 2-1), the waveform factory calls a constructor of the component manager to create the component manager;
step 2-2) the component manager transmits the name of the waveform application to be created, the equipment component on which the waveform application depends and the software package description SAD of the waveform application to the application factory object;
step 2-3) the component manager firstly checks whether the path of the software assembly description file SPD of the waveform application to be created is an absolute path in the operating system, if not, an exception is prompted, otherwise, the step 2-4) is carried out;
step 2-4) traversing a waveform application list in the registered application factory in the domain manager to judge whether the waveform application is installed or not, and if not, creating an application factory object for creating the waveform application;
step 2-5) loading and operating resource components and equipment components forming the waveform application according to information in the software package description file SAD, and initializing the resource components and the equipment components;
step 2-6) after the creation is successful, outputting an Event of the Type of Domain Management Object Added Event Type to the Event channel.
3. The method of claim 1 for dynamically deploying reconfigurable components based on a software communication architecture, characterized in that said waveform component for deployment comprises the following steps:
step 3-1), a general processor GPP analyzes a reconfiguration control command input by a user, determines a waveform component to be replaced and a configuration file of the waveform component, and then sends the command to a container;
step 3-2) after the message distribution module in the container distributes the reconfiguration control command to the control module, the control module executes on-off control of the bus macro;
step 3-3) the message distribution module disconnects the bus macro to enter a reconfiguration state after receiving a disable command of GPP, and returns a state signal fed back by the dynamic control region PR to GPP through an object-based request agent ORB user interface;
step 3-4) the GPP sends an enable command after receiving the returned ORB user interface instruction, and the control module is connected with the bus macro again;
step 3-5) the GPP control program analyzes and determines the storage address of the configuration file of the waveform component, and the Xhwlcap _ CF2Icap () function downloads the local configuration file of the waveform component into the SRAM unit through the ICAP port;
step 3-6) distributing the configuration data in the SPD to an ORB _ OCP adapter by a message distribution module of the container;
and 3-7) entering PR from the Slave receiving end of the interconnection module reaching the OCP interface to complete reconfiguration.
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