JPH05241877A - Information processor - Google Patents

Abstract

PURPOSE:To effectively perform a diagnostic operation by reducing the command input at the time of the diagnosis. CONSTITUTION:This information processor is constituted of a service processor having an address generation circuit 123 generating a storage address where a diagnostic command is stored when the diagnostic command is inputted at the time of the execution of a diagnosis, reading the storage address shown by an execution command when the execution command is inputted and designating the diagnostic execution address, a correction circuit 122 storing the diagnostic command in the storage address of an external storage device 300 generated by the address generation circuit 123 and correcting the pertinent diagnostic command within the external storage device 300 when the correction command is inputted and a transmission circuit 124 transferring the diagnostic command inputted at the time of the execution of the diagnosis to a diagnostic processor 130, fetching the diagnostic command corresponding to the diagnostic execution address when the execution command is inputted and transferring it to the diagnostic processor 130.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus, and more particularly, to an information processing apparatus having a diagnostic processor and a service processor having a command transmitting section for transferring a diagnostic command input during diagnostic execution to the diagnostic processor. ..

[0002]

2. Description of the Related Art Heretofore, this type of information processing apparatus has only performed a process in which a service processor transfers a command to a diagnostic processor when a command is input to the service processor from an input device such as a terminal.

[0003]

However, in the above-described conventional information processing apparatus, since the command input to the service processor is transferred to the diagnostic processor as it is, the same command is issued each time the same diagnostic is performed again. Has to be re-entered, which not only requires extra time, but also causes a command input error.

The present invention has been made in view of the problems of the above conventional technique, and an object of the present invention is to provide an information processing apparatus capable of reducing the command input at the time of diagnosis and efficiently performing the diagnosis operation. There is.

[0005]

According to the present invention, there is provided an information processing apparatus comprising: a diagnostic processor; and a service processor having a command transmitting section for transferring a diagnostic command input during execution of the diagnostic to the diagnostic processor. An external storage device for accumulating commands is provided, and an execution command indicating a storage address of the external storage device corresponding to a diagnostic command to be executed at the time of executing the diagnosis is defined. When a diagnostic command is input, a storage address of the external storage device that stores the diagnostic command is generated, and when the execution command is input, the storage address indicated by the execution command is read and the diagnostic execution address is read. And the storage address generated by the address generator. And a command transfer unit for storing a diagnostic command in the external storage device, and the command transmission unit, when the execution command is input, corresponds to the diagnostic execution address designated by the address generation unit, and stores the external storage. A diagnostic command in the device is taken out and transferred to the diagnostic processor, and for correction of the diagnostic command stored in the external storage device, a storage command of the diagnostic command and a correction command indicating the correction content are defined. When the correction command is input, the address generation unit of the service processor reads the storage address indicated by the correction command and specifies the correction address. Further, the service processor specifies the address generation unit. The diagnostic command corresponding to the corrected address is fetched from the external storage device and After modifying the diagnostic command in accordance with the modified contents shown positive command, and having a command correcting unit for storing a diagnosis command after correction in the correction address of the external storage device,
The storage address indicated by the execution command is considered to be a start address and an end address indicating a storage area of the external storage device corresponding to a plurality of diagnostic commands to be executed.

[0006]

The information processing apparatus of the present invention stores the diagnostic command input at the time of executing the diagnostic in the external storage device, and when the same command is used again, the external command corresponding to the diagnostic command to be executed is executed by the execution command. Since it is executed by specifying the storage address of the storage device, it is not necessary to input the diagnostic command each time, and when executing multiple diagnostic commands, those storage addresses can be stored at the same time without inputting each diagnostic command. By specifying, the diagnostic commands can be executed sequentially.

[0007]

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

FIG. 1 is a block diagram showing an embodiment of an information processing system including an information processing apparatus of the present invention.

The information processing system of the present embodiment includes an information processing apparatus 100 having a keyboard 110 as an input device, a service processor 120, and a diagnostic processor, and an information processing apparatus 200 having the same configuration as the information processing apparatus 100.
And an external storage device 300 connected to the information processing devices 100 and 200 and capable of writing and reading data from both. Since the information processing apparatus 200 has the same configuration as the information processing apparatus 100 as described above, its internal configuration is not shown.

The external storage device 300 is used for the keyboard 110, 2 when the information processing device 100, 200 is in the diagnostic mode.
The diagnostic command input from 10 indicates the diagnostic operation.
It is stored in the storage address designated by the service processor 120, 220 through the service processor 120, 220. In this external storage device 300, when the input signal to the write / read switching (W / R) terminal is "1", the data (RD) to the area indicated by the address (ADR) signal is written.
T1 or RDT2) can be written, conversely W
When the input signal to the / R terminal is "0", the contents (CDT) of the area indicated by the ADR signal can be read. Further, a CRT display for displaying the storage address of the diagnostic command is connected to the external storage device 300, and the operator can recognize the storage address of each diagnostic command by referring to the CRT display. It can be configured.

In this embodiment, the information processing device 100,
As the commands input from the keyboards 110 and 210 of the computer 200, the execution command input in the diagnostic mode indicating the execution of the diagnostic command input in the diagnostic mode and the diagnostic command already stored in the external storage device 300. And a modification command for modifying the diagnostic command stored in the external storage device 300.

The diagnostic command is a command indicating the diagnostic operation as described above, is input from the keyboards 110 and 210, and through the service processors 120 and 220,
It is transferred to the diagnostic processors 130 and 230 and executed, and stored in the external storage device 300.

As described above, the execution command indicates the execution of the diagnostic command already stored in the external storage device 300, and the storage address of the external storage device 300 in which the corresponding diagnostic command is stored. Is specified. In this execution command, it is possible to specify a plurality of diagnostic commands. In this case, the addresses representing the areas in which they are stored are specified as the execution start address and the execution end address, so that the plurality of diagnostic commands are executed in sequence. Will be done. When this execution command is input, the service processor 120, 220 extracts the diagnostic command corresponding to the specified storage address from the external storage device 300 and extracts the diagnostic command.
0 to 230.

As described above, the correction command is for correcting the diagnostic command stored in the external storage device 300, and the storage address of the external storage device 300 in which the diagnostic command to be corrected is stored. And the contents of correction are shown.

Here, the configuration of the information processing apparatus 100, 200 service processor 120, 220 will be described. In this embodiment, the service processors 120 and 220
Since both have the same configuration, the service processor 120 will be described as an example.

The service processor 120 of this embodiment is
A decoder 121 for identifying a command input from the keyboard 110, a command transfer unit for transferring a diagnostic command to the external storage device 300, a correction circuit 122 for correcting the diagnostic command according to the correction command, and an address generation. It has a circuit 123 and a transmission circuit 124 for transferring a diagnostic command to the diagnostic processor 130.

The decoder 121 identifies which of the above-mentioned three commands the command (KDT1 signal) input from the keyboard 110 and transferred is. The output of the decoder 121 is a correction (CHG) signal for the correction circuit 122 and the address generation circuit 123, a write enable (WEN) signal for the address generation circuit 123 and the external storage device 300, and a selection (SEL) signal for the transmission circuit 124. And three.

When the KDT1 signal is a diagnostic command, the WEN signal is "1" and the CHG and SEL signals are "0". In this state, the external storage device 30
The diagnostic command can be stored in 0 and the KDT1 signal, that is, the diagnostic command can be transferred to the diagnostic processor 130 by the transmission circuit 124.

When the KDT1 signal is an execution command, the CHG signal and the WEN signal are "0" and the SEL signal is "1". In this state, the storage address indicated by the execution command is input to the external storage device 300 via the address generation circuit 123, whereby the diagnostic command in the external storage device 300 corresponding to the storage address is read out and the diagnostic command is read. Can be transferred to the diagnostic processor 130.

If the KDT1 signal is a correction command, the CHG signal and the WEN signal are "1", and S
The EL signal becomes "0". In this state, the diagnostic command stored in the storage address of the external storage device 300 indicated by the correction command can be corrected.

When the KDT1 signal is a diagnostic command and the output CHG signal of the decoder 121 is "0", the correction circuit 122 generates an external diagnostic command indicated by the KDT1 signal in the address generation circuit 123. The RDT1 signal is stored in the storage address of the storage device 300. Also, the KDT1 signal is a correction command,
When the output CHG signal of the decoder 121 is "1", the diagnostic command (CDT signal) stored in the storage address of the external storage device 300 indicated by the correction command is read,
After correcting the diagnostic command read according to the correction content indicated by the correction command, the corrected diagnostic command is stored again in the same storage address of the external storage device 300. Further, this correction circuit 122 is
The signal is an execution command, and the output C of the decoder 121
When the HG signal is "0", no processing is performed.

The address generation circuit 123 uses the KDT1
If the signal is "0" for the execution command or the modification command, the execution command or the modification command indicates
The storage address of the external storage device 300 is read and sent to the address input terminal (ADR) of the external storage device 300.

Further, the address generation circuit 123 has a storage address counter (not shown) for generating a storage address when the correction circuit 122 stores the diagnostic command in the external storage device 300, and the execution command has a plurality of diagnostics. In the case of indicating the storage addresses of the commands, two counters are provided: an execution address counter (not shown) for sequentially transmitting the storage addresses to the external storage device 300.

The storage address counter counts up when the KDT1 signal is a diagnostic command, the WEN signal is "1", and the CHG signal is "0", and the count value is used as a storage address of the diagnostic command in the external storage device 30.
It is sent to the 0 ADR terminal. Further, the execution address counter sets the execution start address of the execution command when the execution command indicating the storage addresses of the plurality of diagnostic commands is input and the CHG signal and the WEN signal are “0”, and the execution start address is set to the execution start address. External storage device 300
To the ADR terminal of. Then, the execution address counter counts up after the diagnostic command corresponding to the execution start address is executed and sends the count value to the ADR terminal, and this operation is executed by the diagnostic command corresponding to the execution end address. Repeat until executed.

The transmission circuit 124 includes an inverter 1241, two AND gates 1242 and 1243, and an OR gate 1.
244 and. This transmission circuit 124 is configured so that the KDT1 signal is a diagnostic command and the decoder 12
When the output SEL signal of 1 is "0", the AND gate 12
42 is enabled via the inverter 1241 and transfers the KDT1 signal, ie, the diagnostic command, to the diagnostic processor 130 as the SDT1 signal through the AND gate 1242 and the OR gate 1244. Also, if the KDT1 signal is an execution command and S
If the EL signal is “1”, the inverter 1241
Since the AND gate 1242 is prohibited via the
The output CDT signal of the external storage device 300, that is, the diagnostic command already stored in the external storage device 300 is transferred to the diagnostic processor 130 as the SDT1 signal through the AND gate 1243 and the OR gate 1244. Even when the KDT1 signal is a correction command, the SEL signal becomes “0”, so the correction command is transferred to the diagnostic processor 130, but the diagnostic processor 130 ignores the correction command because it is illegal.

The above-described configuration of the service processor 120 can be similarly applied to the service processor 220 of the information processing apparatus 200. The service processor 220 also includes a decoder (not shown),
The output WEN signal is connected to the W / R terminal of the external storage device 300, and the address signal output from the address generation circuit is connected to the ADR terminal of the external storage device 300. The RDT2 signal is a diagnostic command input through the correction circuit for storage in the external storage device 300, and the CDT signal output from the external storage device 300 is transferred to the transmission circuit.

Next, the operation of this embodiment will be described.

First, the keyboard 1 of the information processing apparatus 100
If the diagnostic command B ₀ is input from 10, the KDT1 signal indicating the diagnostic command B ₀ is identified by the decoder 121, and the outputs CHG, WEN, S of the decoder 121 are identified.
The EL signals are “0”, “1”, and “0”, respectively. At this time, the KDT1 signal is transferred to the diagnostic processor 130 as the SDT1 signal through the transmission circuit 124, and the diagnostic processor 130 executes the diagnostic command B ₀ indicated by the SDT1 signal. Since the WEN signal is "1", the storage address counter in the address generation circuit 123 is counted up, and the count value is the storage address of the diagnostic command B ₀ (here,
_Let it be "A ₀ ". ) As the ADR of the external storage device 300
It is sent to the terminal. Further, the KDT 1 is a correction circuit 1
The diagnostic command B ₀ input as the KDT1 is transferred to the external storage device 300 as an RDT1 signal via the address generating circuit 12.
3, the storage address A ₀ of the external storage device 300 generated by
Will be stored in.

After that, assuming that other diagnostic commands B ₁ , B ₂ ... Are sequentially input, each diagnostic command B ₁ ,
B ₂ , ... Are transferred to the diagnostic processor 130 and executed, and are stored and accumulated in the storage addresses (A ₁ , A ₂ , ...) Generated by the address generation circuit 123 each time.

[0030] Subsequently, it is assumed that modification command C ₀ is input to the diagnostic command B ₀ stored in the storage address A _0. The correction command C ₀ in this case indicates the storage address A ₀ and the correction content corresponding to the diagnostic command B ₀ to be corrected.

When this correction command C ₀ is input,
The output CHG signal and WEN signal of the decoder 121 are both "1", and the output SEL is "0".

At this time, the address generation circuit 123 reads the storage address A ₀ indicated by the correction command C ₀ and transfers it to the ADR terminal of the external storage device 300. Thereby, from the external storage device 300, the contents of the storage address A ₀ , that is, the CD indicating the diagnostic command B ₀ is displayed.
The T signal is output, and the CDT signal is output to the correction circuit 12
Taken into 2. Correction circuit 1 incorporating the CDT signal
22 corrects the diagnostic command B ₀ indicated by the CDT signal on the basis of the correction content indicated by the correction command C ₀ , and then issues the corrected diagnostic command B ′ ₀ to the RDT 1
It is transferred to the external storage device 300 as a signal. During this time, the ADR of the external storage device 300 from the address generation circuit 123
Since the signal indicating the storage address A ₀ is input to the terminal, the diagnostic command B ′ ₀ will be stored again at the storage address A ₀ .

[0033] Thereafter, the execution command D ₀ of the diagnostic command B _'0 stored in the storage address A ₀ is input. The storage address A ₀ is shown in the execution command D ₀ in this case.

When this execution command D ₀ is input,
The signals CHG, WEN, and SEL output from the decoder 121 are "0", "0", and "1", respectively.
At this time, the address generation circuit 123 reads the storage address A ₀ indicated by the execution command D ₀ and transfers it to the ADR terminal of the external storage device 300. As a result, the CDT signal indicating the content of the storage address A ₀ , that is, the diagnostic command B ′ ₀ is output from the external storage device 300. Since the SEL signal of the CDT signal is “1”, the diagnostic circuit 130 is transmitted by the transmission circuit 124.
Then, the diagnostic processor 130 executes the diagnostic command B ′ ₀ indicated by the CDT signal.

Regarding the execution command described above, a plurality of
By specifying the storage address,
It is also possible to execute the corresponding diagnostic commands in sequence.
It For example, the diagnostic command B '₀ , B₁ , B₂ Run
If you want, the corresponding storage address A₀ , A₁ , A₂ Nou
As the diagnosis start address, "A₀ ", And the diagnosis is completed.
As an address, "A₂ By specifying each
Three diagnostic commands B ' ₀ , B₁ , B₂ Are executed in order
Will be.

In the above description of the operation, the information processing device 1
The case of 00 has been described as an example, but the information processing device 200
Can be similarly considered. Further, in the case of the system including the two information processing devices 100 and 200 as in the present embodiment, the command stored in the external storage device 300 by one information processing device 100 is read by the other information processing device 200. It is also possible to execute it.

Further, in this embodiment, the system provided with two information processing devices has been described as an example, but a system provided with three or more information processing devices can be similarly considered.

[0038]

Since the present invention is constructed as described above, it has the following effects. (1) By accumulating the diagnostic command in the external storage device, it is not necessary to input the diagnostic command each time the diagnostic is executed thereafter, so that the time required for the operation during the diagnostic can be shortened and the diagnostic operation can be performed efficiently. In addition, erroneous operations such as input errors are reduced and reliability is improved. In particular,
In the case of the third aspect, execution of a plurality of diagnostic commands can be designated by one execution command, so that the operation time is significantly shortened. (2) Since diagnostic commands are stored in the external storage device,
By connecting the external storage device to a plurality of information processing devices, the diagnostic command can be shared, which is economically advantageous. (3) In the case of the second aspect, the command stored in the external storage device can be modified by the modification command, so that the diagnostic command can be replaced and the degree of freedom of the diagnostic operation is improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an information processing apparatus of the present invention.

[Explanation of symbols]

 100, 200 Information processing device 110, 210 Keyboard 120, 220 Service processor 121 Decoder 122 Correction circuit 123 Address generation circuit 124 Transmission circuit 130, 230 Diagnostic processor 300 External storage device 1241 Inverter 1242, 1243 AND GATE 1244 ORGADE

Claims (3)

[Claims] 1. An information processing apparatus comprising: a diagnostic processor; and a service processor having a command transmission unit for transferring a diagnostic command input during execution of the diagnostic to the diagnostic processor, wherein an external storage for accumulating the diagnostic command is provided. A device, corresponding to a diagnostic command to be executed at the time of executing the diagnosis,
An execution command indicating a storage address of the external storage device is defined, and the service processor generates a storage address of the external storage device that stores the diagnostic command when a diagnostic command is input during diagnosis execution, When the execution command is input, an address generator that reads the storage address indicated by the execution command and specifies the diagnosis execution address, and the diagnostic command is stored in the external storage according to the storage address generated by the address generation unit. And a command transfer unit for storing in the device, the command transmission unit, when the execution command is input, a diagnostic command in an external storage device corresponding to the diagnostic execution address specified by the address generation unit. An information processing device, characterized in that the information processing device is taken out and transferred to the diagnostic processor. 2. A correction command for correcting a diagnostic command stored in an external storage device, the correction command indicating a storage address of the diagnostic command and a correction content is defined, and the address generation unit of the service processor is configured to perform the correction. When the command is input, the storage address indicated by the correction command is read to specify the correction address, and the service processor further issues a diagnostic command corresponding to the correction address specified by the address generation unit from the external storage device. 2. A command correction unit for storing the corrected diagnostic command in the corrected address of the external storage device after the diagnosis command is corrected according to the correction content indicated by the correction command. The information processing device described. 3. The storage address indicated by the execution command is a start address and an end address indicating an area of the external storage device corresponding to a plurality of diagnostic commands to be executed. Information processing device.