CN103309710A - Method and system for loading OUT file through VXWORKS operating system - Google Patents
Method and system for loading OUT file through VXWORKS operating system Download PDFInfo
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Abstract
The invention provides a method for loading an OUT file through a VXWORKS operating system. The method comprises the steps as follows: the VXWORKS operating system receives an instruction for loading the OUT file, and the instruction carries an absolute address of a position, where the OUT file is stored, in a storage and the size of the OUT file; the OUT file is pre-stored in the storage; and the VXWORKS operating system loads the OUT file from the storage to an internal storage according to the absolute address and the size of the OUT file. According to the method, under the condition that a file system is not installed, the OUT file in the storage is read; the situation that the storage space is occupied due to additional installation of the file system is avoided; and the storage space is saved.
Description
Technical field
The present invention relates to technical field of industrial automatic control, particularly a kind of VXWORKS operating system loads OUT document method and system.
Background technology
VXWORKS operating system is as a kind of embedded OS, be widely used in its good reliability and remarkable real-time communicate by letter, in the high-tech areas such as railway, Aero-Space.
The OUT file is the destination file format under a kind of VXWORKS operating system environment, and filename is similar to the exe executable file under the windows environment with " OUT " ending.The OUT file normally is placed on the file system the inside, is loaded by the VXWORKS system.
In the VXWORKS system, loading and starting application program OUT file is by calling the loadmodule function, with the OUT file load in internal memory.
The loadModule function declaration is as follows
Fd parameter, the file handle of OUT file, this handle are the rreturn values of being opened the OUT file by the open function.
The optints parameter, the action parameter when being included in file load is such as whether globak symbol being added to symbol table etc.
Referring to Fig. 1, this figure is that the loadmodule function is to the process flow diagram of the loading procedure of OUT file.
When the loadmodule function is carried out, at first use file system functions to pass through file handle fd parameter, the OUT file content is read from file system, the loadModule usage example as:
The OUT file load of file system inside is to internal memory the most at last.
Typical VXWORKS file system path form, such as/tffs/erm.out.
In above step, the loadmodule function need use file system to support and cooperate just to lead to the OUT file load in internal memory.Therefore, the system little for memory capacity or storage resources is nervous, this method needs extra installation file system to support the VXWORKS system to the loadmodule function calls, has additionally increased the taking of storage space, and makes memory capacity more nervous.And for the embedded environment that does not have file system, system can't use the loadmodule function to load the OUT file especially, causes the function relevant with OUT unavailable.
In addition, because file system additionally has been installed, under the situation that file system goes wrong, also can cause the VXWORKS system can't normal call to this function, have a strong impact on the normal use of system.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and system that loads the OUT file in VXWORKS operating system under the situation of not using file system.
A kind of VXWORKS operating system loads the OUT document method, it is characterized in that, comprising:
VXWORKS operating system receives the instruction that loads the OUT file, carries specific address and the described OUT file size of described OUT file memory location in storer in the described instruction; Described OUT file is stored in the described storer in advance;
Described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory.
Preferably, described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory, be specially:
Described VXWORKS operating system execution loadflashmodule (fadd, fsize) function reads described OUT file, loads described OUT file in internal memory; Described file address parameter f add represents the specific address of described OUT file memory location in storer; Described file size parameter f size represents described OUT file size;
Described loadflashmodule function is used for according to described fadd as start address, and described fsize is as the quantity that reads, with the OUT file load in the described storer to internal memory.
Preferably, and described loadflashmodule (fadd, fsize) function also comprises: file name parameter fname and option parameter option;
Described file name parameter fname represents the filename of described OUT file;
Described option parameter option is illustrated in and loads the employed parameter of behavior when loading the OUT file.
Preferably, described loadflashmodule (fadd, fsize) function also is used for:
If described loadflashmoduel (fadd, fsize) the described OUT file of function normal load, then described loadflashmoduel (fadd, fsize) rreturn value of function is the address of described OUT file in internal memory; Otherwise described rreturn value is NULL.
A kind of VXWORKS operating system loads the system of OUT file, it is characterized in that, comprising:
Command reception module and file load module;
Described command reception module is used for VXWORKS operating system and receives the instruction that loads the OUT file, carries specific address and the described OUT file size of described OUT file memory location in storer in the described instruction; Described OUT file is stored in the described storer in advance;
Described file load module, be used for described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory.
Preferably, described file load module comprises:
Parameter sub module stored and load content submodule;
Described parameter sub module stored is used for storage loadflashmodule (fadd, parameters needed when fsize) function reads described OUT file;
Described fadd is the specific address of described OUT file memory location in storer;
Described fsize is described OUT file size;
Described load content submodule, be used for described loadflashmodule function according to described fadd as start address, described fsize is as the quantity that reads, with the OUT file load in the described storer to internal memory.
Preferably, also comprise in the described parameter sub module stored:
File name parameter fname and option parameter option;
Described file name parameter fname is the filename of described OUT file;
Described option parameter option is for loading the employed parameter of behavior when loading the OUT file.
Preferably, described load content submodule also comprises:
(then the rreturn value of described load content submodule is the address of described OUT file in internal memory for fadd, fsize) the described OUT file of function normal load as if described loadflashmoduel; Otherwise described rreturn value is NULL.
Compared with prior art, the present invention has the following advantages:
Receive the instruction of reading the OUT file by VXWORKS operating system, include the specific address of OUT file memory location in storer and the parameter of described OUT file size in the instruction therein.VXWORKS operating system reads the OUT file according to the parameter in instruction and the instruction and is loaded in the internal memory.By above method, can be implemented in the OUT file that reads under the situation that file system is not installed in the storer, avoided saving storage space because extra installation file system takies storage space.Simultaneously, do not use file system to call, can solve the problem that goes wrong and cause the OUT file normally not read because of file system.
Description of drawings
Fig. 1 is that VXWORKS operating system is called the loadmodule function to the loading procedure process flow diagram of OUT file;
Fig. 2 is the process flow diagram that VXWORKS operating system provided by the invention loads the embodiment one of OUT document method;
Fig. 3 is the theory diagram of the embodiment one of the VXWORKS operating system provided by the invention system that loads the OUT file;
Fig. 4 is the theory diagram of the embodiment two of the VXWORKS operating system provided by the invention system that loads the OUT file.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
Referring to Fig. 2, this figure is the process flow diagram that VXWORKS operating system provided by the invention loads the embodiment one of OUT document method.
A kind of VXWORKS operating system loads the method for OUT file, comprising:
S201:VXWORKS operating system receives the instruction that loads the OUT file, carries specific address and the described OUT file size of described OUT file memory location in storer in the described instruction; Described OUT file is stored in the described storer in advance.
S202: described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory.
Illustrate:
VXWORKS operating system receives instruction, requires to read the OUT file, has carried the specific address 01000H of OUT file memory location in storer and the big or small 5KB of OUT file in its instruction.
Described VXWORKS operating system reads described OUT file according to the big or small 5KB of the specific address 01000H in the described instruction and OUT file, and the OUT file content after reading is loaded into internal memory.
Present embodiment has the following advantages: receive the instruction of reading the OUT file by VXWORKS operating system, carry the specific address of OUT file memory location in storer and the parameter of described OUT file size in the instruction therein.VXWORKS operating system reads the OUT file according to the parameter in instruction and the instruction and is loaded in the internal memory.By above method, can be implemented in the OUT file that reads under the situation that file system is not installed in the storer, avoided file system to the taking of storage resources, save storage space.Simultaneously, do not use file system to call, can solve the problem that goes wrong and cause the OUT file normally not read because of file system.
Present embodiment is the embodiment two that VXWORKS operating system provided by the invention loads the OUT document method.
When described VXWORKS operating system arrives internal memory according to described instruction with described OUT file load, be specially:
Described VXWORKS operating system is carried out the loadflashmodule function and is read described OUT file, loads described OUT file in internal memory.
(fadd, fsize) function are used for according to described file address parameter f add as start address described loadflashmodule, as the quantity that reads, the OUT file in the described storer are read internal memory according to the size of described file size fsize.
Its parameter is:
Described file address parameter f add is the specific address of described OUT file memory location in storer of comprising in the described instruction.
Described file size parameter f size is the parameter of the described OUT file size that comprises in the described instruction.
Illustrate:
VXWORKS operating system receives the instruction that loads the OUT file, comprising: the specific address of OUT file memory location in storer and the size parameter of described OUT file.
Described VXWORKS operating system uses the loadflashmodule function to read file when reading the OUT file in the internal memory.
Described loadflashmodule (its parameter is for fadd, fsize) function:
Described file address parameter f add is the specific address of described OUT file memory location in storer of comprising in the described instruction, opens the beginning address as what file read.
Described file size parameter f size is for the parameter of the described OUT file size that comprises in the described instruction, as the size that reads file.
Described loadflashmodule function is identical with the function of VWXWORKS operating system original function loadmodule function, but the function parameters difference.The interface function that start address parameter in the original function loadmodule function uses file system to provide conducts interviews, as file system interface functions such as read, lseek, function loadflashmodule then makes memory-aided specific address as file start address fadd, as 01000H.
Therefore, when this VXWORKS operating system reads the OUT file, function loadflashmodule be loadflashmodule (01000H, 1400H).
Wherein: 1400H is 5K byte.
01000H address from storer begins to read, finish to read after reading the 1400H byte information, with the load content that reads in internal memory.
Present embodiment has the following advantages:
Receive the instruction of reading the OUT file by VXWORKS operating system, include the specific address of OUT file memory location in storer and the parameter of described OUT file size in the instruction therein.VXWORKS operating system is called the loadflashmodule function, and the specific address of OUT file memory location in storer as the fadd parameter, as the fsize parameter, is read the size of described OUT file the OUT file and is loaded in the internal memory.By above method, do not re-use the loadmodule function in the VXWORKSR operating system, and use loadflashmodule function DASD specific address, be implemented in the OUT file that reads under the situation of not using file system in the storer, avoid file system to the taking of storage resources, saved storage space.Simultaneously, do not use file system to call, can solve the problem that goes wrong and cause the OUT file normally not read because of file system.
Present embodiment is the embodiment three that VXWORKS operating system provided by the invention loads the OUT document method.
In the present embodiment, described loadflashmodule function also comprises:
File name parameter fname and option parameter option.
Described file name parameter fname is the filename of described OUT file.
Described option parameter option loads the parameter of moving during for file load.For example: such as whether globak symbol being added to symbol table etc.
The loadflashmodule function that includes file name parameter fname and option parameter option is specially:
loadflahsmoduel(fname，fadd，fsize，option)
When loading the OUT file, according to fname, fadd, the content among fsize and the option is carried out the loadflashmodule function.
Present embodiment has the following advantages:
By increasing file name parameter fname and option parameter option, make the loadflashmodule function when loading the OUT file, to have more parameter to select, make things convenient for the use of function.
Present embodiment is the embodiment four that VXWORKS operating system provided by the invention loads the OUT document method.
In the present embodiment, if OUT file normal load, the rreturn value of the loadflashmodule function address that is described OUT file load in the internal memory then.
If the OUT file does not have normal load, then the rreturn value of described loadflashmodule function is NULL.
Present embodiment has the following advantages:
Simultaneously, by the rreturn value of function, check whether correctly to have loaded the OUT file, guarantee the correct execution of function.
Based on the method for above-mentioned VXWORKS operating system loading OUT file, the present invention also provides a kind of VXWORKS operating system to load the system of OUT file, describes its ingredient in detail below in conjunction with specific embodiment.
Referring to Fig. 3, this figure is the theory diagram of the embodiment one of the VXWORKS operating system provided by the invention system that loads the OUT file.
A kind of VXWORKS operating system loads the system of OUT file, comprising:
Described command reception module is used for VXWORKS operating system and receives the instruction that loads the OUT file, carries specific address and the described OUT file size of described OUT file memory location in storer in the described instruction.Described OUT file is stored in the described storer in advance.
Described file load module 302, be used for described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory.
Illustrate:
Present embodiment has the following advantages: receive the instruction of reading the OUT file by the command reception module, include the specific address of OUT file memory location in storer and the parameter of described OUT file size in the instruction therein.File load module reads the OUT file according to the parameter in instruction and the instruction and is loaded in the internal memory.By above method, can be implemented in the OUT file that reads under the situation that file system is not installed in the storer, avoided file system to the taking of storage resources, save storage space.Simultaneously, do not use file system to call, can solve the problem that goes wrong and cause the OUT file normally not read because of file system.
Referring to Fig. 4, this figure loads the theory diagram of OUT file system embodiment two for VXWORKS operating system provided by the invention.
In the present embodiment, described file load module 302 comprises: parameter sub module stored 401 and load content submodule 402;
Described parameter sub module stored 401 is used for storage loadflashmodule (fadd, parameters needed when fsize) function reads described OUT file.
Described fadd is the specific address of described OUT file memory location in storer.
Described fsize is described OUT file size.
Described load content submodule 402, be used for described loadflashmodule function according to described fadd as start address, described fsize is as the quantity that reads, with the OUT file load in the described storer to internal memory.
Illustrate:
Described parameter sub module stored 401 is used for the storage function parameter.
Described loadflashmodule (its parameter is for fadd, fsize) function:
Described fadd parameter is the specific address 01000H of described OUT file memory location in storer.
Described fsize parameter is the parameter 1400H byte of described OUT file size.
Therefore, when this VXWORKS operating system reads the OUT file, function loadflashmodule be loadflashmodule (01000H, 1400H).
Wherein: 1400H is 5K byte.
01000H address from the storer beginning reads, and finishes to read after reading the 1400H byte information.
Described load content submodule 402 carry out the loadflashmodule functions with the OUT file load in internal memory.
Present embodiment has the following advantages:
The command reception module receives the instruction of reading the OUT file, carries the specific address of OUT file memory location in storer and the parameter of described OUT file size in the instruction therein.Parameter sub module stored storage loadflashmodule function parameters, with the specific address of OUT file memory location in storer as the fadd parameter, with the size of described OUT file as the fsize parameter, by the load content submodule with the OUT file load in internal memory.By above method, do not re-use the loadmodule function in the VXWORKSR operating system, and use loadflashmodule function DASD specific address, be implemented in the OUT file that reads under the situation of not using file system in the storer, avoid file system to the taking of storage resources, saved storage space.Simultaneously, do not use file system to call, can solve the problem that goes wrong and cause the OUT file normally not read because of file system.
Present embodiment is the embodiment three that VXWORKS operating system provided by the invention loads the OUT file system.
Also comprise in the described parameter sub module stored in the present embodiment:
File name parameter fname and option parameter option;
Described file name parameter fname is the filename of described OUT file;
Described option parameter option is for loading the employed parameter of behavior when loading the OUT file.For example: such as whether globak symbol being added to symbol table etc.
The loadflashmodule function that includes file name parameter fname and option parameter option is specially:
loadflahsmoduel(fname，fadd，fsize，option)
When loading the OUT file, according to fname, fadd, the content among fsize and the option is carried out the loadflashmodule function.
Present embodiment has the following advantages:
By increasing file name parameter fname and option parameter option, make the loadflashmodule function when loading the OUT file, to have more parameter to select, make things convenient for the use of function.
Present embodiment is the embodiment four that VXWORKS operating system provided by the invention loads the OUT file system.
In the present embodiment, if OUT file normal load, the rreturn value of the described load content submodule address that is described OUT file load in the internal memory then.
If the OUT file does not have normal load, then the rreturn value of described load content submodule is NULL.
Present embodiment has the following advantages:
By the rreturn value of function, check whether correctly to have loaded the OUT file, guarantee the correct execution of function.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet is not in order to limit the present invention.Any those of ordinary skill in the art, do not breaking away under the technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention according to any simple modification, equivalent variations and the modification that technical spirit of the present invention is done above embodiment, all still belongs in the scope of technical solution of the present invention protection.
Claims (8)
1. a VXWORKS operating system loads the OUT document method, it is characterized in that, comprising:
VXWORKS operating system receives the instruction that loads the OUT file, carries specific address and the described OUT file size of described OUT file memory location in storer in the described instruction; Described OUT file is stored in the described storer in advance;
Described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory.
2. method according to claim 1 is characterized in that, described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory, be specially:
Described VXWORKS operating system execution loadflashmodule (fadd, fsize) function reads described OUT file, loads described OUT file in internal memory; Described file address parameter f add represents the specific address of described OUT file memory location in storer; Described file size parameter f size represents described OUT file size;
Described loadflashmodule function is used for according to described fadd as start address, and described fsize is as the quantity that reads, with the OUT file load in the described storer to internal memory.
3. method according to claim 2 is characterized in that, and described loadflashmodule (fadd, fsize) function also comprises: file name parameter fname and option parameter option;
Described file name parameter fname represents the filename of described OUT file;
Described option parameter option is illustrated in and loads the employed parameter of behavior when loading the OUT file.
4. method according to claim 2 is characterized in that, described loadflashmodule (fadd, fsize) function also is used for:
If described loadflashmoduel (fadd, fsize) the described OUT file of function normal load, then described loadflashmoduel (fadd, fsize) rreturn value of function is the address of described OUT file in internal memory; Otherwise described rreturn value is NULL.
5. the system of a VXWORKS operating system loading OUT file is characterized in that, comprising:
Command reception module and file load module;
Described command reception module is used for VXWORKS operating system and receives the instruction that loads the OUT file, carries specific address and the described OUT file size of described OUT file memory location in storer in the described instruction; Described OUT file is stored in the described storer in advance;
Described file load module, be used for described VXWORKS operating system by described specific address and described OUT file size from described storer with described OUT file load to internal memory.
6. system according to claim 5 is characterized in that, described file load module comprises:
Parameter sub module stored and load content submodule;
Described parameter sub module stored is used for storage loadflashmodule (fadd, parameters needed when fsize) function reads described OUT file;
Described fadd is the specific address of described OUT file memory location in storer;
Described fsize is described OUT file size;
Described load content submodule, be used for described loadflashmodule function according to described fadd as start address, described fsize is as the quantity that reads, with the OUT file load in the described storer to internal memory.
7. system according to claim 6 is characterized in that, also comprises in the described parameter sub module stored:
File name parameter fname and option parameter option;
Described file name parameter fname is the filename of described OUT file;
Described option parameter option is for loading the employed parameter of behavior when loading the OUT file.
8. system according to claim 6 is characterized in that, described load content submodule also comprises:
(then the rreturn value of described load content submodule is the address of described OUT file in internal memory for fadd, fsize) the described OUT file of function normal load as if described loadflashmoduel; Otherwise described rreturn value is NULL.
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| CN104572224A (en) * | 2015-02-04 | 2015-04-29 | 南车株洲电力机车研究所有限公司 | Method, device and system for loading out file |
| CN110515751A (en) * | 2018-05-22 | 2019-11-29 | 中车株洲电力机车研究所有限公司 | A kind of method and system of load operating VxWorks real-time guard process |
| CN110597514A (en) * | 2018-06-13 | 2019-12-20 | 研祥智能科技股份有限公司 | Program issuing system under VxWorks |
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Application publication date: 20130918 |
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