JPH03224031A - Program starting system - Google Patents

Abstract

PURPOSE:To prevent the deterioration of availability of a computer system by storing previously a load module having the high using frequency in a main storage for control of the module and evolving the load module stored in the main storage into a practicable form in response to an external request for execution of the module. CONSTITUTION:A main storage device store means 3 which stores a load module into a main storage 7 stores the load module registered in an auxiliary storage 6 into the storage 7 in response to an external request. A control means 4 which controls the load module stored in the storage 7 controls the load module stored in the storage 7. Then a program execution means 5 evolves the load module stored in the storage 7 into a practicable form in response to an external request. Thus it is possible to shorten the processing time required for start of a load module having the high using frequency and also to improve the overall availability of a computer system.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a program starting method in a computer system.

[Conventional technology]

Generally, an executable load module is registered on the auxiliary storage, and when executed, the load module is read from the auxiliary storage and expanded onto the main storage.
The program is started by passing control to the start address.

Note that conventionally, the above processing was performed every time there was a startup request from an operator.

[Problem to be solved by the invention]

As mentioned above, in conventional program startup, the load module is read from the auxiliary storage device and loaded onto the main storage device each time an operator requests startup, which reduces the frequency of use. With high load modules, the same data transfer is performed many times between the auxiliary storage device and the main storage device, making it impossible to shorten the processing time required for startup and reducing the overall utilization efficiency of the computer system. This was the cause of the decline.

The present invention has been proposed in view of the above points, and its purpose is to enable frequently used load modules to be stored and managed in advance on the main storage device, and to enable frequently used load modules to be managed in advance. It is an object of the present invention to provide a program startup method that can shorten the processing time required to start a high load module and prevent a decrease in the utilization efficiency of a computer system.

[Means to solve the problem]

In order to achieve the above object, the present invention includes a load module main storage storage means for storing a load module registered in an auxiliary storage device in the main storage device in response to an external request; a load module management means on the main storage device that manages the load modules stored in the main storage device; and a program that expands the load module stored in the main storage device into an executable format and executes it in response to an external request. and an execution means.

[Effect]

In the program starting method of the present invention, the load module main storage storage means stores the load module registered in the auxiliary storage device in response to an external request, and stores the load module in the main storage device. The load module management means manages the load modules stored on the main storage device, and the program execution means expands the load modules stored on the main storage device into an executable format in response to an external request. Let it run.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a computer system using the program starting method of the present invention. In FIG. 1, this embodiment has a terminal 1 and a host computer 2.
In addition to the auxiliary storage device 6 and the main storage device 7, the host computer 2 includes a load module main storage device storage means 3, a load module management device 4 on the main storage device, and a program execution unit. means 5 are provided. Further, files including a plurality of load modules A, B, . . . are stored in the auxiliary storage device 6,
The main storage device 7 is provided with a main storage load module management area 8, a load module storage area 9, and a load module deployment area 10. The functions of the main parts are as follows.

Terminal 1: Operated by an operator to request that a specific load module stored in the auxiliary storage device 6 be stored in the main storage device 7, and to request program start-up.

Load module main storage device storage means 3: When there is a request from the terminal 1 to store a load module in the main storage device 7, the load module in the file on the specified auxiliary storage bag W6 is stored in the main storage device 7. It has a function of storing in the load module storage area 9.

Main storage load module management means 4: Load module has a function of managing load modules stored in the load module storage area 9 on the main storage 7 by the main storage storage means 3. More specifically, as shown in FIG. 2, the overall size of the load module storage area 9, the size of the free area, the number of expansion modules, the module name of the load module, the auxiliary storage device name, the file name, the load module storage Management information such as the address and size of the area is stored and managed in the load module management area 8 on the main memory, and when the load module main memory storage means 3 stores the load module, , provides necessary information when the program execution means 5 operates.

Program execution means 5: When a request to start a program of a specific load module is made from the terminal 1, if the load module is already stored in the load module storage area 9, it is expanded to the load module expansion area 10 and activated. However, if the load module is not stored in the load module storage area 9, the auxiliary storage device 6
It has a function to read the data from the load module, expand it to the load module expansion area 10, and start it.

Hereinafter, the operation of the above embodiment will be explained for each case.

(1) Storage of load modules (in case of replacement) Load modules stored in the auxiliary storage device 6 from the terminal 1,
For example, when a storage request for load module A is issued to host computer 2, this storage request is accepted by load module main storage storage means 3.

Upon receiving the storage request, the load module main storage storage means 3 inquires of the main storage load module management means 4 whether the specified load module A can be stored.

Upon receiving the inquiry, the main memory load module management means 4 searches the management information in the main memory load module management area 8 of the main memory 7 and first determines whether the load module A is already stored in the load module storage area 9. Check to see if there is one.

If load module 8 is already stored, the load module main storage storage means 3 is notified of this fact.

The load module main storage device storage means 3 that received the notification inquires of the terminal 1 whether or not to replace the load module, and if it receives an instruction to replace the load module, it stores the load module A from the file in the auxiliary storage device 6. read out,
Replaces load module 8 in load module storage area 9.

Following this, the main storage load module management means 4 updates the management information in the main storage load module management area 8.

(2) Storing the load module (if new) The load module stored in the auxiliary storage device 6 from the terminal 1,
For example, when a storage request for load module B is issued to host computer 2, this storage request is accepted by load module main storage storage means 3.

Upon receiving the storage request, the load module main storage storage means 3 inquires of the main storage load module management means 4 whether the specified load module B can be stored.

Upon receiving the inquiry, the main memory load module management means 4 searches the management information in the main memory load module management area 8 and first checks whether the load module B is already stored in the load module storage area 9. . If the load module B is not stored, it is checked whether there is enough free space in the load module storage area 9 to store the load module B. If there is sufficient free space, the load module storage device storage means 3 informs that the load module B is not stored and that there is sufficient free space.
to notify.

The load module main storage device storage means 3 that received the notification stores the load module B from the file in the auxiliary storage device 6.
is read and stored in the load module storage area 9.

Following this, the main storage load module management means 4 stores management information regarding the load module B in the main storage load module management area 8, that is, the load module name, auxiliary storage device name, file name, and load module name, auxiliary storage device name, file name, etc. Add the address, size, etc. of the module storage area, and update other management information.

(3) Program startup (in the case of a load module stored in the main storage device) A program startup request for a load module stored in the auxiliary storage device 6, for example, load module A, is issued from the terminal 1 to the host computer 2. Then, this program start request is accepted by the program execution means 5.

Upon receiving the storage request, the program execution means 5 inquires of the main storage load module management means 4 whether the specified load module A is stored on the main storage 117 or not.

The main memory load module management means 4 that received the inquiry searches the main memory load module management area 8. When the load module A is stored in the load module storage area 9, the program execution means 5 is notified of this fact and the position (address) of the load module A on the load module storage area 9.

Upon receiving the notification, the program execution means 5 transfers the data of the load module 8 from the load module storage area 9 to the load module expansion area 10, expands it, and then starts it.

(4) Program startup (in the case of a load module that is not stored on the main storage device) A program startup request for a load module stored in the auxiliary storage device 6, for example, load module B, is issued from the terminal 1 to the host computer 2. Then, this program start request is accepted by the program execution means 5.

Upon receiving the storage request, the program execution means 5 inquires of the main storage load module management means 4 whether the specified load module B is stored on the main storage 7 or not.

Upon receiving the inquiry, the main storage device load module management means 4 searches the main storage device load module management area 8. If the load module B is not stored in the load module storage area 9, the program execution means 5 is notified that the load module B is not stored.

The program execution means 5 that received the notification executes the auxiliary storage device 6.
The load module B is read out from the load module B, expanded into the load module expansion area 10, and activated.

〔Effect of the invention〕

As explained above, in the program startup method of the present invention, by specifying frequently used load modules in advance and storing them on the main memory, the load modules that are used for execution on the same main memory at startup are You can start it up by simply deploying it to the Lord Mosier deployment area, and all you need to do is transfer data on the storage device, which reduces the processing time required to start up the frequently used Load Mosier, and improves the overall performance of the computer system. This has the effect of improving usage efficiency.

[Brief explanation of drawings]

FIG. 1 is a configuration diagram showing an embodiment of a computer system to which the program starting method of the present invention is applied, and FIG. 2 is a detailed diagram of the inside of the main storage device in FIG. 1. In the figure, 1...Terminal 2...Host computer 3...Load module main storage storage means 4
...Load module management means 5 on main storage device
...Program execution means 6...Auxiliary storage device 7...Main storage device

Claims (2)

[Claims] (1) Load module main storage storage means that stores load modules registered on the auxiliary storage device on the main storage device in response to external requests, and manages the load modules stored on the main storage device. The present invention is characterized by comprising: load module management means on the main storage device for managing load modules stored on the main storage device; and program execution means for expanding the load module stored on the main storage device into an executable format and executing it in response to an external request. Program startup method. (2) The main storage device load module management means stores and manages the load module name, location on the main storage device, original auxiliary storage device name, etc. of the load module stored in the main storage device. The program starting method according to claim 1, characterized in that: