JP6072521B2 - Computer start system, computer start program, computer, and computer start method - Google Patents

Description

  The present invention relates to a computer activation system, a computer activation program, a computer, and a computer activation method.

  When the computer is started according to a preset order, the peripheral device initialization process is executed. When the initialization processing of all the peripheral devices subjected to the initialization process is normally completed, the computer operating system ( (Hereinafter referred to as the OS), if any initialization process is not completed normally, a computer activation system has already been established in which the computer is restarted and the initialization process of the peripheral device is repeatedly executed. This is known as a basic input / output system (hereinafter referred to as BIOS).

  Further, as a technique for preventing the computer from restarting due to the failure of the initialization process of the peripheral device by the BIOS and the meaningless repetition of the initialization process, a startup program disclosed in Patent Document 1 and Patent Document 2 are disclosed. A disclosed activation control method has been proposed.

The boot program disclosed in Patent Document 1 prevents the occurrence of a second error by initializing the BIOS settings and restarting the computer when a checksum error at the time of booting the BIOS is detected. The OS is normally started.
When such a configuration is applied, all of the customization settings related to the peripheral devices targeted for initialization processing and the order of execution of initialization processing are returned to the default state. The problem that the error occurs again after the computer is restarted is improved, but the user's customization settings are completely ignored. As a result, the peripheral device to be initialized cannot be initialized or is initialized. There is an inconvenience that a change occurs in the execution order of the processing.

The activation control method disclosed in Patent Document 2 includes a first read-only memory (hereinafter referred to as ROM) storing an initialization program and a second read-only memory storing an initialization program for failure recovery. If the initialization process by the initialization program stored in the first read-only memory fails, the initialization program for failure recovery stored in the second read-only memory The computer is selected and restarted, and the failure recovery error is prevented by executing the failure recovery initialization program at the time of restarting, so that the OS of the computer is normally started.
Compared with the above-described startup program that initializes the BIOS settings to the default state, when the initialization process fails, it is different in that an initialization program for failure recovery is used instead of the normal initialization program. However, since this activation control method requires two read-only memories, there is a disadvantage that the manufacturing cost of the computer becomes high.

Further, in an information processing difference apparatus having a plurality of microprocessors, the ID of the microprocessor that has caused a fatal error during operation of the information processing apparatus is acquired by a software handler, and a flag (bit) corresponding to this ID is nonvolatile. The memory handler is set to shut down the system by a software handler that functions independently from the BIOS and the information processing device is restarted. An information processing apparatus configured to perform is disclosed as Patent Document 3.
However, since the software handler functions under the OS, it detects a microprocessor error or sets a flag unless the OS is normally started, that is, when the information processing apparatus is not operating. You ca n’t. Therefore, such a technique cannot be diverted to the initialization process before the OS starts up.

JP 2011-81617 A (paragraphs 0011, 0018, 0026) JP 2007-172096 A (paragraph 0018) JP 2000-322397 A (paragraphs 0005, 0009, 0010 to 0018)

  An object of the present invention is to provide a peripheral device or initialization process that is a target of initialization processing upon restart even if an abnormality occurs in the process of initialization processing of the peripheral device performed before the operating system is started. The initialization process of other peripheral devices is skipped while maintaining the customized settings related to the execution order, etc., and other peripheral devices are initialized, and the computer's operating system is started appropriately A computer start system, a computer start program, a computer, and a computer start method are provided.

In order to achieve the above object, the computer startup system of the present invention provides:
An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. Parameter storage means for storing the initialization target specific parameters to be specified in a nonvolatile manner;
Of the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means, only the peripheral devices whose corresponding initialization target specific parameters are set to indicate the execution of the initialization process. If initialization processing is executed and the initialization processing of the peripheral device that is the target of initialization processing at that time does not end normally, the computer is restarted and the corresponding initialization target specific parameter The peripheral device whose setting indicates the execution of initialization processing is executed again in order from the beginning, while the initialization processing of the last peripheral device to be initialized is completed. Initialization processing execution means for allowing startup of the operating system of the computer when detecting
When the initialization processing of one peripheral device by the initialization processing execution means is completed normally, the initialization target specific parameter value corresponding to this peripheral device is held in the one indicating the execution of the initialization processing. If the initialization processing of one peripheral device by the initialization processing execution means does not end normally, at least before the computer is restarted, the initialization target specific parameter value corresponding to this peripheral device is initialized. And a parameter rewriting unit that rewrites the processing to indicate non-execution.

In order to achieve the above object, a computer startup program according to the present invention provides a computer microprocessor.
An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. Among the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means for storing the initialization target specific parameters to be specified in a nonvolatile manner, the setting of the corresponding initialization target specific parameters executes the initialization process. If the initialization processing is executed in order only for the peripheral devices that are shown, and the initialization processing of the peripheral device that is the target of the initialization processing at that time does not end normally, the computer Execute the initialization process again from the beginning for the peripheral device whose corresponding initialization target specific parameter setting indicates the execution of the initialization process. That one, initialization processing execution means for permitting activation of the operating system of the computer to detect the completion of the initialization process of the last peripheral devices that are subject to the initialization process and,
When the initialization processing of one peripheral device by the initialization processing execution means is completed normally, the initialization target specific parameter value corresponding to this peripheral device is held in the one indicating the execution of the initialization processing. If the initialization processing of one peripheral device by the initialization processing execution means does not end normally, at least before the computer is restarted, the initialization target specific parameter value corresponding to this peripheral device is initialized. And functioning as parameter rewriting means for rewriting to indicate non-execution of the digitizing process.

  In order to achieve the above object, the computer according to the present invention stores the computer startup program in a boot block of a read-only memory of a basic input / output system, and the parameter storage means includes the basic storage unit. -It has the structure characterized by being comprised by the CMOS memory for input / output systems.

In order to achieve the above object, the computer startup method of the present invention provides:
An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. The initialization target specific parameters to be specified are stored in advance in a non-volatile manner in the parameter storage means of the computer,
Of the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means, only the peripheral devices whose corresponding initialization target specific parameters are set to indicate the execution of the initialization process. When initialization processing is executed and the initialization processing of the peripheral device that is the target of initialization processing at that time ends normally, the initialization target specific parameter value corresponding to this peripheral device is initialized. While holding on to indicate the execution of the process,
If the initialization processing of the peripheral device that is the target of initialization processing at that time does not end normally, the initialization target specific parameter value corresponding to this peripheral device is not executed. Reboot the computer after rewriting it to the one shown, execute the initialization process in order from the beginning again for the peripheral device whose corresponding initialization target specific parameter setting indicates the execution of the initialization process,
When the completion of the initialization process of the last peripheral device that is the object of the initialization process is detected, the operating system of the computer is allowed to start.

The computer activation system, the computer activation program, the computer, and the computer activation method according to the present invention initialize the setting of the corresponding initialization target specific parameter among the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means. When the initialization process is executed only for the peripheral device indicating the execution of the process and the initialization process is normally completed, the initialization target specific parameter value corresponding to this peripheral device is initialized. If the initialization process does not end normally, the initialization target specific parameter value corresponding to this peripheral device is set to indicate the non-execution of the initialization process. rewrite.
Accordingly, only peripheral devices whose initialization processing has not been completed normally, that is, peripheral devices in which an abnormality has occurred are excluded from the execution target of the next initialization processing performed after the computer is restarted. Since the customization settings related to the peripheral device to be initialized and the execution order of the initialization process can be retained as they are, an abnormality occurs in the initialization process executed after rebooting. The peripheral device initialization process can be skipped, the initialization process of other peripheral devices can be appropriately executed, and the operating system of the computer can be started appropriately.

It is the functional block diagram which simplified and showed the structure of the computer starting system of one Embodiment to which this invention is applied. It is the block diagram which simplified and showed the structure of the computer provided with the computer starting system of the embodiment. It is the flowchart which showed the outline of the structure of the computer starting program in the embodiment. It is the conceptual diagram which showed the logical structure of the parameter storage table provided in the parameter storage means of the embodiment in the initial state. 4 is a conceptual diagram showing a logical structure of a parameter storage table provided in the parameter storage means of the embodiment in a state where inconvenience occurs in initialization of a peripheral device registered at a second address. FIG. The logical structure of the parameter storage table provided in the parameter storage means of the same embodiment is shown in a state where inconvenience occurs in the initialization of the peripheral device registered at the second address and the peripheral device registered at the nth address. It is a conceptual diagram.

  Next, embodiments for carrying out the present invention will be specifically described with reference to the drawings.

  FIG. 1 is a functional block diagram schematically showing a configuration of a computer activation system according to an embodiment to which the present invention is applied.

  This computer activation system A is represented by an integer i in a range of 0 ≦ i ≦ n, and is an initial stage for specifying each of n + 1 peripheral devices M (i) set as peripheral devices to be initialized. The initialization target specifying parameter # (i) and the initialization target specifying parameter F (i) for specifying whether to actually execute the initialization process corresponding to each of the peripheral devices M (i) are stored in a nonvolatile manner. Parameter storage means B.

Further, the computer activation system A sets the corresponding initialization target specifying parameter F (i) among the peripheral devices M (i) corresponding to the initialization candidate specifying parameter # (i) stored in the parameter storage unit B. Are sequentially executed only for the peripheral device M (i) having the value 0 indicating the execution of the initialization process, and the peripheral device M (i) that is the target of the initialization process at that time If the initialization process is not completed normally, the computer is restarted, and the setting of the corresponding initialization target specific parameter F (i) has a value 0 indicating the execution of the initialization process. The initialization process is executed again for M (i) in order from the beginning, and when the completion of the initialization process of the last peripheral device M (i) to be initialized is detected, the operating system is started. Allow That includes an initialization process executing means C.
However, the last peripheral device M (i) that is the target of the initialization process is not necessarily the peripheral device M (n). Since the execution order of the initialization process can be customized by the user, there is no guarantee that the execution order of the initialization process of the peripheral device M (n) is set at the lowest order, and the peripheral apparatus M (n ) Is set to the lowest order, the initialization target specific parameter F (n) corresponding to the peripheral device M (n) is set to a value 1 indicating non-execution of the initialization process. This is because the peripheral device M (n) is excluded from the initialization processing target.

  Further, when the initialization processing of one peripheral device M (i) by the initialization processing execution means C is normally completed, the computer activation system A further specifies the initialization target specifying parameter corresponding to this peripheral device M (i). When the value of F (i) is held at the value 0 indicating the execution of the initialization process, while the initialization process of one peripheral device M (i) by the initialization process execution means C is not completed normally At least before the computer is restarted, parameter rewriting means D is provided for rewriting the value of the initialization target specific parameter F (i) corresponding to the peripheral device M (i) to a value 1 indicating non-execution of the initialization process.

  In this embodiment, the peripheral devices M (i) are all USB devices, and the USB device M (i) is used as the initialization candidate specifying parameter # (i) for specifying each of the USB devices M (i). Port name # (i) of the port to which is connected is used.

  FIG. 2 is a block diagram showing a simplified configuration of a computer including the computer activation system A.

  This computer 1 nonvolatilely stores a microprocessor 2 for arithmetic processing, a ROM 3 storing a BIOS program and the like necessary for starting the computer 1 and its OS, and various parameters used by the BIOS. CMOS memory 4 stored in memory, development of OS and application programs, random access memory 5 (hereinafter referred to as RAM 5) used for temporary storage of operation data, etc., OS, application programs, and various types Various peripheral devices including a hard disk drive 6 that functions as a mass storage device for storing data and the like, and n + 1 USB devices M (i) represented by an integer i in a range of 0 ≦ i ≦ n I / O interface 7 for connecting to a network etc. The input-output circuit 8 of Tsu support 2, a keyboard 9 and a mouse 10 and a display 11 and a printer 12 or the like which functions as a man-machine interface is connected.

  The BIOS program is stored in the boot block of the ROM 3, and a computer startup program as shown in FIG. 3 is added as a part of the BIOS program (FIG. 3 does not show the entire BIOS program).

The CMOS memory 4 functions as the parameter storage means B in FIG. 1. The CMOS memory 4 specifies each of n + 1 USB devices M (i) set as peripheral devices to execute initialization processing. To the initialization candidate specifying parameter # (i), that is, the port name # (i) of the input / output interface 7 connected to the USB device M (i) and the USB device M (i) connected to this port. The value of the initialization target specifying parameter F (i) that specifies whether or not to execute the initialization process, that is, 0 or 1, is stored in a non-volatile manner.
As already described, 0 is a value indicating execution of the initialization process, and 1 is a value indicating non-execution of the initialization process.

  The logical structure of the parameter storage table 13 provided in the CMOS memory 4 for storing these parameters is shown in the conceptual diagram of FIG.

  In the example of FIG. 4, for example, the USB device M (0) is connected to the port with the port name # (0) registered at address 0 of the parameter storage table 13, and the port corresponding to the USB device M (0). As a value of the initialization target specific parameter F (0) corresponding to the name # (0), 0, that is, a value indicating execution of the initialization process is set. In short, the USB device M (0) is the target of the initialization process, and the USB device M (0) is selected as the target of the first initialization process.

As already described, the process of selecting the port name # (i) representing the USB device M (i) to be subjected to the initialization process and registering it in the parameter storage table 13, and the port name # (i) The process for setting the execution order of the initialization process for the USB device M (i) connected to the other port can be customized by the user. In the example of the parameter storage table 13 in FIG. The initialization process is executed according to the address of the table in order from the upper column.
In the example of the parameter storage table 13 in FIG. 4, the USB device M (0) connected to the port with the port name # (0) registered at the address 0 is first subjected to the initialization process, and next. The target of initialization processing is the USB device M (1) connected to the port with the port name # (1) registered in the address 1, but it is assumed that the highest level of the parameter storage table 13 is assumed. If port name # (1) is registered in the column, that is, address 0, and port name # (0) is registered in the next column, that is, address 1, it is first subjected to initialization processing. Is the USB device connected to the port with the port name # (1), and the USB device connected to the port with the port name # (0) is the next target for initialization processing.
Programs such as BIOS Setup for performing this kind of customization are already known.

  The main part of the computer activation system A in the computer 1 is a parameter storage table 13 stored in a CMOS memory 4 functioning as parameter storage means B, a microprocessor 2 of the computer 1, and an initialization processing execution means for the microprocessor 2. C and a computer start program written as a part of the BIOS program in the boot block of the ROM 3 to function as the parameter rewriting means D.

  Next, the processing operation of the microprocessor 2 of the computer 1 functioning as the initialization processing execution means C and the parameter rewriting means D will be described in detail with reference to the flowchart of the computer startup program shown in FIG.

  When the computer 1 is turned on, the microprocessor 2 reads the BIOS program stored in the boot block of the ROM 3 and the computer startup program written in the ROM 3 as a part of the BIOS program into the RAM 5 and starts processing.

  First, the microprocessor 2 sequentially selects the port name # (i) corresponding to the USB device M (i) to be initialized from the parameter storage table 13 of the CMOS memory 4 functioning as the parameter storage means B. The port selection index i used for selection is initialized to 0 (step S1).

Next, the microprocessor 2 functioning as the initialization processing execution means C reads the value of the initialization target specifying parameter F (i) at the i-th address specified by the current value of the port selection index i from the parameter storage table 13, It is determined whether the value is a value 0 indicating execution of the initialization process or a value 1 indicating non-execution of the initialization process (step S2).
Initially, the parameter storage table 13 is generated on the assumption that there is no failure in any of the n + 1 USB devices M (i) where i = 0, 1, 2, 3,..., N. In the initial stage, as shown in FIG. 4, the value 0 indicating the execution of the initialization process is set in all initialization target specific parameters F (i) of i = 0, 1, 2, 3,. Is set.
Since the microprocessor 2, the ROM 3 and the CMOS memory 4 are installed on the same board and connected to each other via an internal bus, no special initialization process for data input / output is required. Input / output of data between each other is guaranteed even in a situation where each port of the output interface 7 or the input / output circuit 8 has a failure.

  If the determination result in step S2 is false and it is confirmed that the initialization target specific parameter F (i) is set to the value 0 indicating the execution of the initialization process, the i-th parameter storage table 13 This means that it is necessary to execute the initialization process for the USB device M (i) connected to the port with the port name # (i) registered in the address, so before starting the initialization process, First, the microprocessor 2 functioning as the parameter rewriting means D executes the initialization process using the value of the initialization target specific parameter F (i) corresponding to the USB device M (i) to be initialized at this time. Is replaced with a value 1 indicating non-execution of the initialization process (step S3).

  Next, the microprocessor 2 starts measuring the time required for the initialization process based on a signal from a frequency divider (not shown) (step S4), and the microprocessor 2 functioning as the initialization process execution means C The initialization process for the USB device M (i) connected to the port with the name # (i) is started (step S5), and the initialization process ends normally or the time required for the initialization process is determined as an error. A standby state is waited for until the value is reached (steps S6 to S7).

  During this time, if the determination result in step S6 is true and it is confirmed that the initialization process has been completed normally, the microprocessor 2 functioning as the parameter rewriting means D has received the USB subjected to the initialization process. A value 0 indicating the execution of the initialization process is newly set in the initialization target specific parameter F (i) corresponding to the device M (i) (step S8).

  Next, the microprocessor 2 functioning as the initialization processing execution means C increments the value of the port selection index i by 1 (step S9), and the current value of the index i stores the port name corresponding to the USB device. It is determined whether or not the final address value n in the parameter storage table 13 is exceeded (step S10).

  If the determination result in step S10 is false and it is confirmed that the current value of the port selection index i does not exceed the final address value n of the parameter storage table 13, it is determined as a candidate for initialization processing. This means that the port name # (i) representing the port connected to the USB device is stored in the parameter storage table 13 in addition to this, so that the microprocessor 2 indicates the current port selection index i. Based on the value, the loop process including steps S2 to S10 is repeatedly executed in the same manner as described above until the determination result in step S7 or step S10 becomes true.

  When the determination result of step S10 becomes true while the loop processing of step S2 to step S10 is repeatedly executed, the loop processing including step S2 to step S10 is executed n + 1 times including the first time, and i = 0 , 1, 2, 3,..., N connected to port # (i), all USB devices M (i) of i = 0, 1, 2, 3,. It means that it was properly initialized within the allowable time specified in.

  Therefore, in this case, the microprocessor 2 functioning as the initialization process execution means C increments the value of the port selection index i from n to n + 1 in the process of step S9 in the n + 1 loop process, and the determination result of step S10 is obtained. When it becomes true, the last USB device M (i) whose port name # (i) is registered in the parameter storage table 13 as an object of initialization processing, that is, in this case, the initial of the USB device M (n) Assuming that the initialization process has been completed, initialization of other parts of the BIOS program, for example, initialization of other peripheral devices, etc. is executed, and then the OS is allowed to start.

  Since the OS startup process is already known, it will not be described here.

  In this embodiment, the microprocessor 2 functioning as the parameter rewriting means D corresponds to the USB device M (i) that is the target of the initialization process at that time prior to the start of the initialization process. The initialization target specific parameter F (i) is rewritten from the value 0 indicating execution of the initialization process to the value 1 indicating non-execution of the initialization process, but functions as the initialization process execution means C. If the initialization process of the USB device M (i) by the microprocessor 2 is successful, the value of the initialization target specific parameter F (i) is always written back to the value 0 indicating the execution of the initialization process. Unless the processing fails, there is no change in the setting contents of the parameter storage table 13 before and after the execution of the computer startup program as shown in FIG. 3 (steps S3 to S3). 8, see Fig. 4).

  On the other hand, if the determination result of step S7 becomes true while the loop processing of step S2 to step S10 is repeatedly executed, the initial state of the USB device M (i) that is the object of initialization processing at that time This means that the initialization process of the USB device M (i) has not been completed within the allowable time specified by the error determination value.

  In this case, since the process of step S8 for rewriting the value of the initialization target specific parameter F (i) to the value 0 indicating the execution of the initialization process is not executed, the time when the determination result of step S7 becomes true Thus, the value of the initialization target specifying parameter F (i) corresponding to the USB device M (i) that is the target of the initialization process remains the value 1 indicating that the initialization process is not executed.

  Therefore, for example, the initialization of the USB device M (0) connected to the port with the port name # (0) registered at the address 0 of the parameter storage table 13 in the first loop processing was successful, and the second time After successful initialization of the USB device M (1) connected to the port with the port name # (1) registered at address 1 of the parameter storage table 13 by the loop processing, the parameter storage table 13 is executed by the third loop processing. If the initialization of the USB device M (2) connected to the port with the port name # (2) registered at the address 2 is failed, the third loop processing is completed and the determination result of step S7 is When it becomes true, the setting content of the parameter storage table 13 changes from the one shown in FIG. 4 to the one shown in FIG.

  In this way, if the failure of the initialization process of the USB device M (i) is confirmed in the determination process of step S7, the microprocessor 2 functioning as the initialization process execution means C is further initialized. The computer 1 is immediately restarted without executing the conversion process (step S11).

  If the initialization of the USB device M (i) fails, the program or temporary data read into the RAM 5 may be damaged, but the processing related to the restart of the computer 1 is a boot block of the ROM 3 Since it is executed by the BIOS program stored in, it is not affected by the failure of the initialization process.

  If the program or temporary data read into the RAM 5 is damaged, the initialization process of the next USB device M (i + 1) is executed, and the value of the initialization target specific parameter F (i) is used. However, in this embodiment, prior to the start of the initialization process, the USB device M (i) that is the target of the initialization process at that time is supported. When the initialization target specific parameter F (i) is rewritten from the value 0 indicating execution of the initialization process to the value 1 indicating non-execution of the initialization process, and the initialization of the USB device M (i) is successful Since the process of writing back the value of the initialization target specific parameter F (i) to the value 0 indicating the execution of the initialization process is employed for the limited time, the initialization process is performed on the program or temporary data read into the RAM 5 On failure Even if there is an influence, the information related to the failure of the initialization process of the USB device M (i), that is, the content of the initialization target specific parameter F (i) = 1 is surely stored in the parameter storage table 13 in the CMOS memory 4. Can be saved and secured.

  When the computer 1 is restarted, the microprocessor 2 reads the BIOS program stored in the boot block of the ROM 3 and the computer startup program written in the ROM 3 as a part of the BIOS program into the RAM 5 and performs the same process as described above. 3 is started. First, the value of the port selection index i is initialized to 0 (step S1), and the parameter storage table 13 is first looped from step S2 to step S10. The USB device M (0) connected to the port with the port name # (0) registered at the address 0 of the first is successfully initialized, and further registered at the address 1 of the parameter storage table 13 in the second loop processing. The first USB device M (1) connected to the port with the specified port name # (1) Successful reduction, the value of port selection index i is updated from 1 to 2 in the processing of step S9 in the second loop process.

  In the third loop process, the microprocessor 2 functioning as the initialization process execution means C sets the value of the initialization target specifying parameter F (2) at the second address based on the current value 2 of the port selection index i. It is read from the parameter storage table 13 and it is determined whether the value is a value 0 indicating the execution of the initialization process or a value 1 indicating the non-execution of the initialization process (step S2). In this case, since the value of the initialization target specific parameter F (2) is a value 1 indicating non-execution of the initialization process (see FIG. 5), the determination result in step S2 is true, and the port name # (2) The processing of step S3 to step S7 related to the USB device M (2) connected to this port, that is, the initialization processing is not executed.

  That is, among the USB devices M (i) whose port names # (i) are registered in the parameter storage table 13, that is, among the USB devices M (i) that are candidates for initialization processing, the initialization processing is actually performed. Only the USB device M (i) in which the setting of the corresponding initialization target specific parameter F (i) has a value 0 indicating execution of the initialization process is the target of initialization. Since the initialization process for the failed USB device M (i), in other words, the USB device M (i) in which the failure of the initialization process may occur again is skipped, the next without causing a failure on the system. It is possible to reliably execute initialization of the USB device M (i + 1).

  Next, the microprocessor 2 functioning as the initialization processing execution means C increments the value of the port selection index i by 1 (step S9), and the current value of the index i exceeds the value n of the final address in the parameter storage table 13. At this stage, since the current value of the port selection index i is 3, the determination result in step S10 is false, and the parameter storage table is used in the next loop process, that is, the fourth loop process. The initialization process of the USB device M (3) connected to the port of the port name # (3) registered at the address 3 of 13 is executed.

  Similarly, the USB device M (4) connected to the port of the port name # (4) registered at the address 4 in the parameter storage table 13 to the port name # (registered at the address n in the parameter storage table 13 are used. The fifth to n + 1th loop processing is executed for the USB device M (n) connected to the port n).

When the determination result of step S10 in the n + 1th loop processing becomes true, the microprocessor 2 functioning as the initialization processing execution means C stores the port name # ( i) is regarded as the initialization of the last USB device M (i) registered, that is, the USB device M (n) in this case, and other parts of the BIOS program, for example, other peripheral devices The OS is allowed to start after the initialization process or the like is executed.
However, in this case, the USB device M (2) connected to the port with the port name # (2) does not operate.

  As described above, the port names # (i) of the USB devices M (i) to be candidates for the initialization process based on the current value of the port selection index i that is sequentially incremented are sequentially listed from the parameter storage table 13. Although it is selected, what is actually targeted for execution of the initialization process is limited to the value set to 0 indicating the execution of the initialization process as the value of the initialization target specific parameter F (i). Therefore, the USB device M (i) once failed in initialization is not targeted for initialization by the computer startup program executed after the computer 1 is restarted or normally started, and an error occurs in the initialization process. Further, the occurrence of a system failure associated therewith can be prevented in advance, and the OS of the computer 1 can be reliably started.

  Further, for example, in the initialization process after the restart described above, the USB device M (0) connected to the port of the port name # (0) registered at the address 0 of the parameter storage table 13 in the first loop process. Successful initialization, and further successful initialization of the USB device M (1) connected to the port of the port name # (1) registered at address 1 of the parameter storage table 13 in the second loop processing, The parameter processing table 13 is skipped in the fourth to n-th loop processing, skipping the third loop processing for initial initialization of the USB device M (2) connected to the port of the port name # (2). Of USB device M (3) to USB device M (n-1) connected to each port of port name # (3) to port name # (n-1) registered at addresses 3 to n-1. initial If the initialization of the USB device M (n) connected to the port of the port name # (n) registered at the address n of the parameter storage table 13 is failed in the last (n + 1) th loop processing. For example, when the n + 1-th loop processing is completed and the determination result in step S7 becomes true, the setting content of the parameter storage table 13 changes from the one shown in FIG. 5 to the one shown in FIG. Become.

  In this case, the computer 1 is restarted again, and the microprocessor 2 reads the BIOS program stored in the boot block of the ROM 3 and the computer startup program written in the ROM 3 as a part of the BIOS program into the RAM 5 and performs the same as described above. 3 is started. First, the value of the port selection index i is initialized to 0 (step S1), and the parameters are stored in the first loop processing including steps S2 to S10. Successful initialization of the USB device M (0) connected to the port with the port name # (0) registered at address 0 of the table 13 and further to the address 1 of the parameter storage table 13 in the second loop processing. USB device connected to registered port name # (1) Successful initialization (1), the value of port selection index i is updated from 1 to 2 in the processing of step S9 in the second loop process.

  In the third loop process, the microprocessor 2 functioning as the initialization process execution means C sets the value of the initialization target specifying parameter F (2) at the second address based on the current value 2 of the port selection index i. It is read from the parameter storage table 13 and it is determined whether the value is a value 0 indicating the execution of the initialization process or a value 1 indicating the non-execution of the initialization process (step S2). In this case, since the value of the initialization target specific parameter F (2) is a value 1 indicating non-execution of the initialization process (see FIG. 6), the determination result in step S2 is true and the port name # (2) The processing of step S3 to step S7 related to the USB device M (2) connected to this port, that is, the initialization processing is not executed.

  Next, the microprocessor 2 functioning as the initialization processing execution means C increments the value of the port selection index i by 1 (step S9), and the current value of the index i exceeds the value n of the final address in the parameter storage table 13. At this stage, since the current value of the port selection index i is 3, the determination result in step S10 is false, and the parameter storage table is used in the next loop process, that is, the fourth loop process. The initialization of the USB device M (3) connected to the port of the port name # (3) registered at the address 3 of 13 is executed.

  Hereinafter, similarly, the USB device M (4) connected to the port of the port name # (4) registered at address 4 of the parameter storage table 13 to the port registered at address n-1 of the parameter storage table 13 Initialization processing is executed in the fifth to n-th loop processing for the USB device M (n-1) connected to the port of name # (n-1), and the processing in step S9 in the n-th loop processing Thus, the value of the port selection index i is updated from n-1 to n.

  In the (n + 1) th loop processing, the microprocessor 2 functioning as the initialization processing execution means C sets the value of the initialization target specifying parameter F (n) at the nth address based on the current value n of the port selection index i. It is read from the parameter storage table 13 and it is determined whether the value is a value 0 indicating the execution of the initialization process or a value 1 indicating the non-execution of the initialization process (step S2). In this case, since the value of the initialization target specific parameter F (n) is a value 1 indicating non-execution of the initialization process (see FIG. 6), the determination result in step S2 is true and the port name # (n) The processing in step S3 to step S7 related to the USB device M (n) connected to this port, that is, the initialization processing is not executed.

  Next, the microprocessor 2 functioning as the initialization processing execution means C increments the value of the port selection index i from n to n + 1 (step S9), and the current value of the index i is the value n of the final address in the parameter storage table 13. (Step S10). At this stage, since the current value of the port selection index i is n + 1, the determination result in step S10 is true and functions as the initialization processing execution means C. The microprocessor 2 permits the startup of the OS after executing initialization of other parts of the BIOS program, for example, other peripheral devices.

In this case, since the initialization process related to the USB device M (n) connected to the port with the port name # (n) is not executed, the determination process in step S10 is a candidate for the initialization process target. Among the USB devices whose port name # (i) is registered in the parameter storage table 13, the last USB device M in which the initialization target specific parameter F (i) is set to a value 1 indicating non-execution of the initialization process (I) That is, it functions as a process for determining completion of the initialization process of the USB device M (n−1).
In this case, the USB device M (2) connected to the port with the port name # (2) and the USB device M (n) connected to the port with the port name # (n) do not operate.

As described above, the computer activation system A according to this embodiment has the USB device M (when the computer 1 is activated in accordance with the preset order, that is, the order in which the port names # (i) are registered in the parameter storage table 13. i) The initialization process of i) is executed, and all the USB devices M (i) that are the targets of the initialization process, that is, the value 0 indicating the execution of the initialization process to the corresponding initialization target specific parameter F (i) The OS of the computer 1 is activated only when the initialization processing of all the USB devices M (i) for which is set is normally completed.
In addition, if any initialization process of the USB device M (i) that is the target of the initialization process does not end normally, the USB apparatus M (i) that the initialization process did not end normally The value of the initialization target specific parameter F (i) corresponding to the port name # (i) is rewritten with the value 1 indicating non-execution of the initialization process, the computer 1 is restarted, and is registered in the parameter storage table 13 The initialization processing of the USB device M (i) is repeatedly executed again according to the order.
As a result, in the initialization process that is executed after the restart, the initialization process of the USB device M (i) that may cause a failure of the initialization process again is skipped and automatically non-executed. Occurrence of an error in the system and a system failure caused by the error can be prevented in advance, so that the initialization process of other USB devices can be executed reliably and the OS of the computer 1 can be started.

  Therefore, the inconvenience that the failed USB device M (i) or port # (i) is initialized every time it is restarted and the restart is meaninglessly repeated is also eliminated.

  In particular, in this embodiment, prior to the start of the initialization process, the initialization target specifying parameter F (i) corresponding to the USB device M (i) that is the target of the initialization process at that time is set. The initialization target specifying parameter F (i) is changed only when the value is temporarily rewritten from the value 0 indicating the execution of the initialization process to the value 1 indicating the non-execution of the initialization process and the initialization of the USB device M (i) is successful. ) Is written back to the value 0 indicating the execution of the initialization process, so even if the program or temporary data read into the RAM 5 is affected by the failure of the initialization process, Information relating to the failure of the initialization process of the USB device M (i), that is, the content of the initialization target specific parameter F (i) = 1 is securely stored in the parameter storage table 13 in the CMOS memory 4 and restarted. Initialization processing Can be useful.

  In addition, the parameter storage table 13 is disposed in the CMOS memory 4 functioning as the parameter storage means B, and the contents are not inadvertently damaged by the occurrence of a system failure or the restart of the computer 1. Initialization process execution order (parameters) set corresponding to each of the registration information of port name # (i) and port name # (i) for specifying the USB device M (i) that is the target candidate The inconvenience that the customization information by the user setting such as the address in the storage table 13 is lost and the default state is restored is solved, and the initialization program dedicated for failure recovery and the normal initialization program are distributed to different ROMs. Therefore, there is no problem of manufacturing cost due to multiple ROMs.

  The computer startup program as shown in FIG. 3 is stored in the boot block of the ROM 3 as a part of the BIOS program, and functions even when the OS of the computer 1 is not started, that is, when the system call is not available. It is possible to restart the computer 1 by detecting an abnormality in the USB device M (i) or the port # (i) in the initialization process before starting.

  Here, whether or not the USB device M (i) and port # (i) have been initialized properly by comparing the elapsed time after the start of the initialization process and the time required for the initialization process with the error determination value. However, there are various known error detection techniques in the initialization process, and the method is not particularly limited.

  A part or all of the embodiment disclosed above can be appropriately expressed by the description shown in the following supplementary notes, but the form for carrying out the invention and the technical idea of the invention are not limited to these. Absent.

[Appendix 1]
When the computer is started up according to a preset order, the peripheral device initialization process is executed, and when the initialization process of all the peripheral devices targeted for the initialization process ends normally, the computer operating system is On the other hand, in the computer startup system that restarts the computer and repeatedly executes the initialization processing of the peripheral device according to the preset order when any initialization processing does not end normally,
An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. Parameter storage means for storing the initialization target specific parameters to be specified in a nonvolatile manner;
Of the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means, only the peripheral devices whose corresponding initialization target specific parameters are set to indicate the execution of the initialization process. If initialization processing is executed and the initialization processing of the peripheral device that is the target of initialization processing at that time does not end normally, the computer is restarted and the corresponding initialization target specific parameter The peripheral device whose setting indicates the execution of initialization processing is executed again in order from the beginning, while the initialization processing of the last peripheral device to be initialized is completed. Initialization processing execution means for allowing startup of the operating system when detecting
When the initialization processing of one peripheral device by the initialization processing execution means is completed normally, the initialization target specific parameter value corresponding to this peripheral device is held in the one indicating the execution of the initialization processing. If the initialization processing of one peripheral device by the initialization processing execution means does not end normally, at least before the computer is restarted, the initialization target specific parameter value corresponding to this peripheral device is initialized. A computer starting system comprising parameter rewriting means for rewriting to indicate that non-execution processing is not executed.

[Appendix 2]
When the initialization process is started by the initialization process execution unit, the parameter rewriting unit sets the initialization target specific parameter value corresponding to the peripheral device that is the target of the initialization process to the non-execution of the initialization process. The initialization target specific parameter value corresponding to the peripheral device subjected to the initialization process is executed only when the initialization process by the initialization process execution means is normally completed. The computer start-up system according to appendix 1, wherein the computer start-up system is configured so as to be rewritten to indicate the above.

[Appendix 3]
The computer activation system according to any one of Supplementary Note 1 and Supplementary Note 2, wherein the peripheral device is a USB device, and the initialization candidate specifying parameter is a port name of the USB device.

[Appendix 4]
Appendix 1, wherein the computer startup system is incorporated into a basic input / output system, and the parameter storage means is constituted by a CMOS memory for the basic input / output system of the computer. The computer activation system according to any one of Appendix 2 or Appendix 3.

[Appendix 5]
When the computer is started up according to a preset order, the peripheral device initialization process is executed, and when the initialization process of all the peripheral devices targeted for the initialization process ends normally, the computer operating system is On the other hand, if any of the initialization processes did not end normally, the computer was restarted and deployed in a computer activation system that repeatedly performed the initialization process of peripheral devices according to the preset order Microprocessor,
An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. Among the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means for storing the initialization target specific parameters to be specified in a nonvolatile manner, the setting of the corresponding initialization target specific parameters executes the initialization process. If the initialization processing is executed in order only for the peripheral devices that are shown, and the initialization processing of the peripheral device that is the target of the initialization processing at that time does not end normally, the computer Execute the initialization process again from the beginning for the peripheral device whose corresponding initialization target specific parameter setting indicates the execution of the initialization process. That one, initializing process execution means allowing to detect the completion of the initialization process of the last peripheral devices that are subject to the initialization process the activation of the operating system and,
When the initialization processing of one peripheral device by the initialization processing execution means is completed normally, the initialization target specific parameter value corresponding to this peripheral device is held in the one indicating the execution of the initialization processing. If the initialization processing of one peripheral device by the initialization processing execution means does not end normally, at least before the computer is restarted, the initialization target specific parameter value corresponding to this peripheral device is initialized. A computer startup program that functions as a parameter rewriting unit that rewrites a program that indicates non-execution of a computerization process.

[Appendix 6]
When the initialization process is started by the initialization process execution unit, the parameter rewriting unit sets the initialization target specific parameter value corresponding to the peripheral device that is the target of the initialization process to the non-execution of the initialization process. The initialization target specific parameter value corresponding to the peripheral device subjected to the initialization process is executed only when the initialization process by the initialization process execution means is normally completed. The computer startup program according to appendix 5, wherein the computer startup program is configured to be rewritten to indicate the above.

[Appendix 7]
The computer startup program according to any one of appendix 5 or appendix 6, wherein the peripheral device is a USB device, and the initialization candidate specifying parameter is a port name of the USB device.

[Appendix 8]
The computer startup program according to any one of appendix 5, appendix 6 and appendix 7 is stored in a boot block of a read-only memory of a basic input / output system, and the parameter storage means A computer comprising a CMOS memory for a basic input / output system.

[Appendix 9]
When the computer is started up according to a preset order, the peripheral device initialization process is executed, and when the initialization process of all the peripheral devices targeted for the initialization process ends normally, the computer operating system is On the other hand, in the computer startup method of restarting the computer and repeatedly executing the initialization processing of the peripheral device according to the preset order when any of the initialization processing does not end normally,
An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. The initialization target specific parameter to be specified is stored in advance in a non-volatile manner in the parameter storage means of the computer,
Of the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means, only the peripheral devices whose corresponding initialization target specific parameters are set to indicate the execution of the initialization process. When initialization processing is executed and the initialization processing of the peripheral device that is the target of initialization processing at that time ends normally, the initialization target specific parameter value corresponding to this peripheral device is initialized. While holding on to indicate the execution of the process,
If the initialization processing of the peripheral device that is the target of initialization processing at that time does not end normally, the initialization target specific parameter value corresponding to this peripheral device is not executed. Reboot the computer after rewriting it to the one shown, execute the initialization process in order from the beginning again for the peripheral device whose corresponding initialization target specific parameter setting indicates the execution of the initialization process,
A computer booting method characterized by permitting booting of the operating system upon detecting completion of initialization processing of the last peripheral device to be initialized.

[Appendix 10]
When starting the initialization process, the value of the initialization target specific parameter corresponding to the peripheral device that is the target of the initialization process was rewritten to indicate that the initialization process was not executed, and the initialization process ended normally The computer startup method according to appendix 9, wherein the initialization target specific parameter value corresponding to the peripheral device that is the target of the initialization process is rewritten only to indicate the execution of the initialization process.

[Appendix 11]
The computer activation method according to any one of Supplementary Note 9 and Supplementary Note 10, wherein the peripheral device is a USB device, and the initialization candidate specifying parameter is a port name of the USB device.

[Appendix 12]
12. The computer activation method according to any one of Supplementary Note 9, Supplementary Note 10, and Supplementary Note 11, wherein a CMOS memory for a basic input / output system of the computer is used as the parameter storage means.

  The present invention is suitable for various computers, in particular, embedded computers and devices in which the time required for restarting to recover from failure in initialization of peripheral devices becomes a problem as loss time.

1 Computer 2 Microprocessor (initialization processing execution means, parameter rewriting means)
3 Read-only memory (ROM)
4 CMOS memory (parameter storage means)
5 Random access memory (RAM)
6 Hard disk drive 7 Input / output interface 8 Input / output circuit 9 Keyboard 10 Mouse 11 Display 12 Printer 13 Parameter storage table A Computer activation system B Parameter storage means C Initialization execution means D Parameter rewriting means M (i) Peripheral device (USB device) )
# (I) Initialization candidate specific parameter (port name)
F (i) Initialization target specific parameter i Port selection index

Claims (7)

An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. Parameter storage means for storing the initialization target specific parameters to be specified in a nonvolatile manner;
Of the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means, only the peripheral devices whose corresponding initialization target specific parameters are set to indicate the execution of the initialization process. If initialization processing is executed and the initialization processing of the peripheral device that is the target of initialization processing at that time does not end normally, the computer is restarted and the corresponding initialization target specific parameter The peripheral device whose setting indicates the execution of initialization processing is executed again in order from the beginning, while the initialization processing of the last peripheral device to be initialized is completed. Initialization processing execution means for allowing startup of the operating system of the computer when detecting
When the initialization processing of one peripheral device by the initialization processing execution means is completed normally, the initialization target specific parameter value corresponding to this peripheral device is held in the one indicating the execution of the initialization processing. If the initialization processing of one peripheral device by the initialization processing execution means does not end normally, at least before the computer is restarted, the initialization target specific parameter value corresponding to this peripheral device is initialized. Parameter rewriting means for rewriting to indicate that non-execution processing is not performed ,
When the initialization process is started by the initialization process execution unit, the parameter rewriting unit sets the initialization target specific parameter value corresponding to the peripheral device that is the target of the initialization process to the non-execution of the initialization process. The initialization target specific parameter value corresponding to the peripheral device subjected to the initialization process is executed only when the initialization process by the initialization process execution means is normally completed. A computer start system characterized in that the computer start system is configured to be rewritten to indicate the above . The computer activation system according to claim 1 , wherein the peripheral device is a USB device, and the initialization candidate specifying parameter is a port name of the USB device. 2. The computer start system is incorporated in a basic input / output system, and the parameter storage means is constituted by a CMOS memory for the basic input / output system of the computer. Or the computer starting system of Claim 2 . Computer microprocessor,
An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. Among the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means for storing the initialization target specific parameters to be specified in a nonvolatile manner, the setting of the corresponding initialization target specific parameters executes the initialization process. If the initialization processing is executed in order only for the peripheral devices that are shown, and the initialization processing of the peripheral device that is the target of the initialization processing at that time does not end normally, the computer Execute the initialization process again from the beginning for the peripheral device whose corresponding initialization target specific parameter setting indicates the execution of the initialization process. That one, initialization processing execution means for permitting activation of the operating system of the computer to detect the completion of the initialization process of the last peripheral devices that are subject to the initialization process and,
When the initialization processing of one peripheral device by the initialization processing execution means is completed normally, the initialization target specific parameter value corresponding to this peripheral device is held in the one indicating the execution of the initialization processing. If the initialization processing of one peripheral device by the initialization processing execution means does not end normally, at least before the computer is restarted, the initialization target specific parameter value corresponding to this peripheral device is initialized. to function as a parameter rewriting means for rewriting the indicates the non-execution of the process,
When the initialization process is started by the initialization process execution unit, the parameter rewriting unit sets the initialization target specific parameter value corresponding to the peripheral device that is the target of the initialization process to the non-execution of the initialization process. The initialization target specific parameter value corresponding to the peripheral device subjected to the initialization process is executed only when the initialization process by the initialization process execution means is normally completed. A computer start program characterized by being configured to be rewritten to indicate the above . The computer startup program according to claim 4 , wherein the peripheral device is a USB device, and the initialization candidate specifying parameter is a port name of the USB device. 6. The computer startup program according to claim 4 or 5 is stored in a boot block of a read-only memory of a basic input / output system, and the parameter storage means is the basic memory. A computer characterized by a CMOS memory for an input / output system. An initialization candidate specifying parameter for specifying each of the peripheral devices set as peripheral devices to execute the initialization process, and whether or not the initialization processing is actually executed corresponding to each of the set peripheral devices. The initialization target specific parameters to be specified are stored in advance in a non-volatile manner in the parameter storage means of the computer,
Of the peripheral devices corresponding to the initialization candidate specific parameters stored in the parameter storage means, only the peripheral devices whose corresponding initialization target specific parameters are set to indicate the execution of the initialization process. When initialization processing is executed and the initialization processing of the peripheral device that is the target of initialization processing at that time ends normally, the initialization target specific parameter value corresponding to this peripheral device is initialized. While holding on to indicate the execution of the process,
If the initialization processing of the peripheral device that is the target of initialization processing at that time does not end normally, the initialization target specific parameter value corresponding to this peripheral device is not executed. Reboot the computer after rewriting it to the one shown, execute the initialization process in order from the beginning again for the peripheral device whose corresponding initialization target specific parameter setting indicates the execution of the initialization process,
Upon detecting the completion of the initialization process of the last peripheral device that is the object of the initialization process, the operating system of the computer is allowed to start ,
When starting the initialization process, the value of the initialization target specific parameter corresponding to the peripheral device that is the target of the initialization process was rewritten to indicate that the initialization process was not executed, and the initialization process ended normally A computer startup method characterized by rewriting the value of an initialization target specific parameter corresponding to a peripheral device that is the target of initialization processing only to a case that indicates execution of the initialization processing .

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