JPH11161521A - Computer with function for saving execution progress in off-line mode and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To investigate abnormality occurring in off-line mode after OS execu tion by saving information on execution progress in off-line mode from a power-ON or system reset point of time to the start of OS actuation in a mem ory. SOLUTION: When a user of a computer 10 turns on the power source, a machine check is made by a program in a ROM 3. Then an OS boot process is performed. The OS boot process reads the OS out of an OS storage part 8 of a secondary storage device 7 and transfers its contents to a memory 2 to pass the control to the OS. In this OS boot process, a history of execution in the OS boot process such as the read of the OS and memory storing process is saved in the information saving memory 4 after its start including abnormality occurrence information. Then the OS actuation process is performed after the OS become executable and the control is passed to the OS.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer having an execution progress saving function in an offline mode and a recording medium.

[0002]

2. Description of the Related Art When a computer is turned on, generally, a machine check and an OS boot process are first performed in an offline mode, and thereafter, an OS (operation system) is executed.
The control is shifted to the online mode.

Conventionally, a program in an off-line mode is:
Even if an abnormality occurs during the boot process without leaving the execution history, only a display to that effect is temporarily displayed on the screen.
Therefore, after the execution of the program in the offline mode,
For example, even if an attempt is made to investigate the cause of an abnormality that has occurred in the offline mode after the OS boots, accurate information is unknown and it is difficult to investigate. Further, since an abnormality that occurs when an OS boot or the like is performed unattended is not confirmed even on the screen, it is unknown whether or not an abnormality has occurred.

[0004]

As described above, the problem with the conventional computer is that when the program is executed in the off-line mode after the power is turned on (or the system is reset), the execution progress, particularly the history of the abnormal state is not left. Met.

For example, Japanese Patent Application Laid-Open No. Hei 5-289888 discloses a technique for saving history data before a system reset in a main storage device before loading a main program such as an OS at system startup. However, in such a conventional technique, even if the history information before the system is stopped (reset) can be left, the abnormal history information from when the system power is turned on or after the system reset until the start of the main program (OS) control cannot be left. .

The present invention has been made in view of such circumstances, and can record an abnormality that has occurred in an offline mode, and can investigate an abnormality that has occurred in an offline mode after execution of an OS. It is an object of the present invention to provide a computer and a recording medium having a function of storing execution progress in an offline mode, which are enabled.

[0007]

According to a first aspect of the present invention, there is provided an offline mode for storing execution progress information in an offline mode from a power-on or a system reset to the start of an OS in a memory. This is a computer with an execution progress saving function.

According to the present invention, since the execution progress information in the off-line mode is stored in the memory, an abnormality occurring in the off-line mode can be recorded.
It is possible to investigate an abnormality that has occurred in the offline mode after executing S.

According to a second aspect of the present invention, in the first aspect of the present invention, the execution progress information stored in the memory is stored in a message log file of the OS after the start of the OS.

[0010] The present invention provides such means,
The same operation and effect as those of the first aspect can be obtained.
By storing the execution progress information in the message log file of S, the information can be easily accessed.

Next, a third aspect of the present invention is a computer-readable recording medium storing a program for causing a computer to realize the first aspect of the present invention. According to the present invention, the same function and effect as those of the first aspect can be obtained.

A fourth aspect of the present invention is a computer-readable recording medium storing a program for causing a computer to implement the second aspect of the present invention.
According to the present invention, the same functions and effects as those of the second aspect are obtained.

[0013]

Embodiments of the present invention will be described below. FIG. 1 is a block diagram showing a configuration example of a computer with an execution progress saving function in an offline mode according to an embodiment of the present invention.

A computer 10 such as a workstation or a server shown in FIG.
A memory 2 which is a main memory for storing an execution program to be executed by the PU 1, a ROM 3 for storing an offline mode program, and an information storage memory 4 for storing an execution history of the offline mode program when the program is executed.
Are connected to the CPU bus 5. Also, CP
A secondary storage device 7 such as a hard disk is connected from the U bus 5 via an interface 6. The secondary storage device 7 has an OS storage unit 8 for storing an OS for controlling in an online mode, and an offline mode. An OS message log file 9 for storing the execution history at the time is provided.

The ROM 3 stores an OS boot processing program as an offline mode program. This OS boot processing program causes the CPU 1 to execute general OS boot processing,
The execution history, which is the progress of the boot process, is stored in the information storage memory 4.

The OS stored in the OS storage unit 8 is
After the transition to the OS control, that is, after entering the online mode, the execution history at the time of the OS boot processing is stored in the information storage memory 4.
And stored in the message log file 9 of the OS.

Next, the operation of the computer with the execution progress saving function in the offline mode according to the embodiment of the present invention configured as described above will be described. FIG. 2 is a flowchart showing the startup processing of the computer with the execution progress saving function in the offline mode according to the present embodiment.

First, when the user of the computer 10 turns on the power (ST1), a machine check is executed according to the program in the ROM 3 (ST2). Next, an OS boot process is performed (ST3).

This OS boot process is executed by the ROM 3
The boot processing program is read into the memory 2 and is executed by the CUP 1 according to the program in the memory 2. The OS boot process is performed in the OS storage unit 8 of the secondary storage device 7.
Is a process of reading the OS stored in the memory 2, transferring the contents to the memory 2, and transferring control to the OS.

In the OS boot process (ST3),
After the start (ST31), the execution history in the OS boot process such as the OS reading and the memory storage process is stored in the information storage memory 4 including the abnormality occurrence information (ST31).
32). For example, if an error occurs during OS transfer, it is stored in the information storage memory 4 as history information.

Then, after the OS becomes ready for execution, an OS boot process is executed (ST33), and control is performed by the OS.
Handed over to The processing up to this point is the offline mode, which is a hardware-like processing. Hereafter, OS
Online mode, that is, software processing.

When control by the OS is started, first, O
Pre-execution processing is performed (ST4). This is a process for preparing an execution environment for operating the OS in earnest. Next, the execution history in the offline mode stored in the information storage memory 4 is stored in the message log file 9 in the secondary storage device 7 (ST5). Thus, the execution history in the offline mode can be referred to at any time.

Then, full-scale execution of the OS is started (ST6), and the startup of the computer ends. As described above, the computer with the execution progress storage function in the offline mode according to the embodiment of the present invention is provided with the information storage memory 4 for storing the execution history in the offline mode, and the memory 4 is stored in the memory 4 by the OS boot program. Since the progress at the time of execution of the navel is stored, it is possible to store all the execution progress and abnormal information of the program in the offline mode.

Further, the computer with the execution progress saving function in the offline mode according to the present embodiment, when executing the OS after the completion of the offline mode, saves the contents of the information storage memory 4 to O.
Since the information is stored in the S message log file 9, it is possible to easily investigate the cause of the abnormality that has occurred in the offline mode after the execution of the OS.

The present invention is not limited to the above embodiments, but can be variously modified without departing from the gist thereof. For example, in the present embodiment, O
After execution of S, the execution history in the offline mode is moved from the information storage memory 4 to the message log file 9, but the present invention is not limited to such a case. For example, the OS boot process is controlled by the OS. The execution history may be moved to a file on the secondary storage device 7 immediately before the transfer.

The method described in the embodiment may be a program (software means) that can be executed by a computer (computer), for example, a magnetic disk (floppy disk, hard disk, etc.), an optical disk (CD-ROM, DVD, etc.). ), Stored in a storage medium such as a semiconductor memory, or transmitted and distributed via a communication medium. The programs stored on the medium side include
A software program (including not only an execution program but also a table and a data structure) to be executed by the computer includes a setting program for configuring the computer. A computer that realizes the present apparatus reads a program recorded in a storage medium, and in some cases, constructs software means by using a setting program, and executes the above-described processing by controlling the operation of the software means.

[0027]

As described above in detail, according to the present invention, when the program is executed in the offline mode, the execution progress is stored in the memory, so that the abnormality occurring in the offline mode can be recorded. As a result, it is possible to provide a computer with an execution progress saving function and a recording medium in an offline mode that can investigate an abnormality that has occurred in the offline mode after the OS is executed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration example of a computer with an execution progress saving function in an offline mode according to an embodiment of the present invention.

FIG. 2 is an exemplary flow chart showing startup processing of a computer with an execution progress saving function in an offline mode according to the embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... CPU 2 ... Memory 3 ... ROM 4 ... Information storage memory 5 ... CPU bus 6 ... Interface 7 ... Secondary storage device 8 ... OS storage unit 9 ... Message log file 10 ... Computer

Claims (4)

[Claims] 1. A computer with an execution progress saving function in an offline mode, wherein execution progress information in an offline mode from power-on or system reset to the start of OS startup is stored in a memory. 2. The computer according to claim 1, wherein the execution progress information stored in the memory is stored in a message log file of the OS after the start of the OS startup. 3. A computer-readable computer that records a program for realizing a progress information storage function of storing in a memory execution progress information in an off-line mode from power-on of the computer or from a system reset to the start of an OS in the computer. recoding media. 4. The recording according to claim 3, wherein a program for realizing a log file storing function of storing the execution progress information stored in the memory in a message log file of the OS after the start of the OS is readable by a computer. Medium.