CN101477489B - Method, apparatus and system for preserving operating system information - Google Patents
Method, apparatus and system for preserving operating system information Download PDFInfo
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- CN101477489B CN101477489B CN2009100084491A CN200910008449A CN101477489B CN 101477489 B CN101477489 B CN 101477489B CN 2009100084491 A CN2009100084491 A CN 2009100084491A CN 200910008449 A CN200910008449 A CN 200910008449A CN 101477489 B CN101477489 B CN 101477489B
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Abstract
The embodiment of the invention discloses a method and a device for storing operation system information. The method comprises the following steps: when error occurs in an operation system, the operation system error information with address code out of the visit address range of a basic input and output system is stored in a storage unit, and operation system information is stored in the storage unit; the operation system is indicated to start the operation system according to and form the operation system information stored in the storage unit; in the process of starting the operation system, the detection to the storage unit for storing operation system error information is skipped; after the starting of the operation system, the operation system error information stored in the storage unit is copied to a nonvolatile memory. In the embodiment of the invention, the operation error system with address code out of the visit address range of a basic input and output system is stored in a storage unit, so that key information relating to the operation system error can be completely recorded, and the adjustment of the operation system can be carried out normally.
Description
Technical field
The present invention relates to computer application field, especially relate to a kind of method, Apparatus and system of preserving operation system information.
Background technology
The operating operation system mistake miscellaneous can occur unavoidably in operational process.After operating system is made mistakes, the wrong relevant information of the program of moving in the time of will makeing mistakes usually is kept at Basic Input or Output System (BIOS) (BIOS, Basic Input and Output System) in the self-defining nonvolatile memory (NVRAM, Non-Volatile Random Access Memory).When operating system restarted, the wrong relevant information that writes down among the BIOS access NVRAM, operating system were called the debug module and are used this information to debug processing.
In research and practice process to prior art, the present inventor finds that there is following problem in prior art:
The address space range that BIOS can visit is limited, generally is no more than 4GB, when the wrong relevant information geocoding of operating system exceeds 4GB, then can not following wrong relevant information of complete documentation, and cause difficulty for the subsequent operation system debug.
Summary of the invention
The technical matters that the embodiment of the invention will solve provides a kind of method, Apparatus and system of preserving operation system information, makes that wrong relevant information can be by complete documentation, and then the operating system debugging can normally be carried out.
For solving the problems of the technologies described above, embodiment provided by the present invention is achieved through the following technical solutions:
A kind of method of preserving operation system information:
When operating system was made mistakes, the operating system error message that geocoding is exceeded Basic Input or Output System (BIOS) reference address scope was saved in the internal memory, and described internal memory is preserved operation system information;
Indication operating system is from starting the operating system according to the operation system information of preserving the internal memory;
In the process of starting the operating system, skip preserving the detection in the zone of operating system error message in the described internal memory;
Behind the os starting, copy the described operating system error message that is kept in the described internal memory to nonvolatile memory.
A kind of device of preserving operation system information is characterized in that, comprising:
Judging unit is used for when operating system is made mistakes, and judges the operating system error message geocoding that needs to preserve and exceeds Basic Input or Output System (BIOS) reference address scope;
Preserve the unit, be used for the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope that described judgment unit judges goes out is saved in internal memory;
Revise the unit, be used to revise the Basic Input or Output System (BIOS) source code, preserve the detection in the zone of operating system error message in the start-up course of the operation system information that operating system is preserved in according to internal memory, skipping described internal memory;
Copy cell is used for behind os starting, and the operating system error message that described preservation unit is preserved copies nonvolatile memory to.
A kind of operational system of operating system is characterized in that, comprising:
Preserve the device of operation system information, be used for when operating system is made mistakes, after judging the operating system error message geocoding of need preserving and exceeding Basic Input or Output System (BIOS) reference address scope, the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope is saved in the internal memory, described internal memory is preserved operation system information, and modification Basic Input or Output System (BIOS) source code, preserve the detection in the zone of operating system error message in the process that the operation system information that operating system is preserved in according to described internal memory starts, skipping to described internal memory, behind os starting, copy the operating system error message of preserving in the described storage unit to nonvolatile memory;
Operating system is used for after makeing mistakes, and the operation system information of preserving according to the device of described preservation operation system information starts.
By technique scheme as can be seen, the embodiment of the invention is saved in the internal memory by the operating system error message that geocoding is exceeded Basic Input or Output System (BIOS) reference address scope, and the operation system information of preserving in according to internal memory starts the operating system and skips detection to this internal memory in the process, behind the os starting, copy the described operating system error message that is kept in the internal memory to nonvolatile memory again, make that wrong relevant key message can be by complete documentation, then the operating system debugging can normally be carried out.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow synoptic diagram of the embodiment of the invention one;
Fig. 2 is the method flow synoptic diagram of the embodiment of the invention two;
Fig. 3 is the method flow synoptic diagram of the embodiment of the invention three;
Fig. 4 is the structural representation of embodiment of the invention device;
Fig. 5 is the structural representation of embodiment of the invention system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Advanced Configuration and Power Interface (ACPI, Advanced Configuration and Power Interface) is the novel power supply management regulation that proposed by Intel (INTEL), Microsoft (MICROSOFT), Toshiba (TOSHIBA) in 1997, be intended that and allow operating system rather than BIOS control power management comprehensively, make operating system power saving more.Its characteristics mainly contain: power up function at once is provided, promptly can returns to the state when shutting down last time after the start immediately, CD-ROM drive, floppy drive and hard disk can not turned off power supply automatically when using, open during use again; Support equipment both inserting under "on" position promptly pulled out, and changes function at any time.
ACPI has six kinds of states, be respectively that S0 is to S5, wherein, the S3 state is for suspending to internal memory (STR, Suspend to RAM), operating system is stored in current operation system information in the internal memory, has only several critical component energisings such as internal memory, guaranteeing that data do not lose, and other equipment all are in closed condition.This computer-chronograph is in the height electricity-saving state, press any key after, operating system is waken up, computing machine is the read operation system information from internal memory, and returns to STR state before.
Embodiment one, describe in detail referring to Fig. 1, Fig. 1 is the method flow synoptic diagram of present embodiment.
Step 101: when operating system was made mistakes, the operating system error message that geocoding is exceeded Basic Input or Output System (BIOS) reference address scope was saved in the storage unit, and described storage unit is preserved operation system information.
Storage unit can be an internal memory, but or the storage organization of other storage operating system error messages, do not influence the realization of the embodiment of the invention.
When the operating system error message refers to that operating system is made mistakes, the error message that each program of the operating system of moving produces and interruption application (the CPU IRQ of central processing unit, Central Processing Unitinterrupt requests) and the address information at current stack (STACK) place, these information all need to preserve, use during for the follow-up debugging operations of operating system debug module system, when operating system can draw operating system and makes mistakes by CPU IRQ and STACK information, having which module to move, is that mistake has taken place which function of which thread.And operation system information refers to the required relevant information of the normal operation of system.
It for address bus 32 microcomputer, address space range can reach 2 23 powers, be 4GB, that is to say, the BIOS access address realm is generally 4GB, and when calculator memory exceeded 4GB, the operating system error message of preservation just might exceed 4GB, promptly exceed the BIOS access address realm, then exceeding part can not preserve in NVRAM.
The storage speed of internal memory is fast, storage space is big, therefore, after the operating system error message geocoding of judging the need preservation exceeded Basic Input or Output System (BIOS) reference address scope, the operating system error message that will exceed Basic Input or Output System (BIOS) reference address scope was saved in the internal memory.
After the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope can being provided with zone bit, be saved in the storage unit.
Step 102: indication operating system starts according to the operation system information of preserving in the storage unit.
Starting according to the operation system information of preserving in the storage unit, can be to start with the S3 pattern among the ACPI.
Operating system is after makeing mistakes, (SMI interrupts to trigger the self-defining operation system management interrupt, SystemManagement Interrupt), this Interrupt Process function copies current operation system mistake relevant information among the NVRAM to, and trigger the South Bridge chip group and send the S3 mode instruction that enters ACPI, operating system then enters the S3 pattern.The S3 pattern is a kind of low energy consumption state, and operating system is only to critical piece power supply, but such as main memory and wake operation system equipment, and the operating system normal state information is kept in the internal memory, the state before being used for from the S3 recovering state to dormancy.
Step 103: revise the Basic Input or Output System (BIOS) source code, in the process of starting the operating system, skip detection to the described storage unit of preserving the operating system error message.
S3 pattern start-up course needs reading of data from internal memory, and the embodiment of the invention is then utilized these characteristics, the operating system error message of reading and saving from internal memory.
The S3 pattern is kept at the operating system normal state information in the internal memory, can carry out internal memory in start-up course detects, therefore, need to revise the Basic Input or Output System (BIOS) source code, make in the process that the S3 pattern starts, skip internal memory detection, to guarantee that the data of preserving can be by later use to the described region of memory of preserving the operating system error message.
Step 104: behind the os starting, copy the described operating system error message that is kept in the described storage unit to nonvolatile memory.
After copying nonvolatile memory to, then addressable this operating system error message of BIOS, operating system is called the debug module and is used this operating system error message to debug processing afterwards.When this operating system error message is provided with zone bit, then read this operating system error message according to zone bit.
Correctness for the operating system error message that guarantees to preserve in the internal memory, can reset test code to the described region of memory of preserving the operating system error message, and judge in internal memory self check process whether this test code is identical with the test code that is provided with before, if it is identical, showing that then this region of memory is not changed, is effective information.Test code can be for interrupting the default value that 19 functions are filled in, or the numerical value that is provided with of other modes, do not influence realization of the present invention.
The embodiment of the invention is saved in the storage unit by the operating system error message that geocoding is exceeded Basic Input or Output System (BIOS) reference address scope, and the operation system information of preserving in according to storage unit starts the operating system and skips detection to this storage unit in the process, behind the os starting, copy the described operating system error message that is kept in the storage unit to nonvolatile memory again, make that wrong relevant key message can be by complete documentation, then the operating system debugging can normally be carried out.
Following examples two are embodiment one described method processing procedure in actual applications, can be referring to Fig. 2, and Fig. 2 is the method flow synoptic diagram of the embodiment of the invention two.
Embodiment two,
Step 201: mistake appears in the operating system process, and CPU notice BIOS enters the S3 pattern.
When mistake appears in operating system, operating system stops programmable logic device (PLD) (CPLD, complexprogrammable logic device) house dog of simulation feeds dog in, CPLD will be defeated by the South Bridge chip group by a GPIO (General Purpose Input/Output) signal, and notice BIOS is about to enter the S3 pattern.
Step 202:CPU judges whether the operating system error message geocoding that needs to preserve exceeds 4GB, and exceeding changes step 204, and not exceeding then changes step 203.
When the operating system error message refers to that operating system is made mistakes, the error message that each program of the operating system of moving produces and the address information at CPU IRQ and current STACK place.This operation system information might exceed 4GB when calculator memory exceeds 4GB.
Step 203: the described operating system error message that will not exceed 4GB is saved among the NVRAM, changes step 206.
Step 204: the described operating system error message that will exceed 4GB is provided with zone bit, and is saved in the internal memory.
By reading of zone bit, system can load a self-defining module, and the operating system error message that exceeds the 4GB address space is copied.
Step 205: indication operating system starts from the S3 pattern.
Operating system triggers self-defined SMI and interrupts after makeing mistakes, and current operation system mistake relevant information is copied among the NVRAM, and trigger the South Bridge chip group and send the S3 mode instruction that enters ACPI, and operating system then enters the S3 pattern.
Step 206: revise the BIOS source code, in S3 pattern start-up course, skip internal memory detection to the region of memory of preserving the operating system error message.
Step 207: os starting, whether decision operation system error message geocoding exceeds 4GB, and exceeding changes step 208, otherwise changes step 209.
Step 208: the operating system error message that will be kept in the internal memory copies NVRAM to.
Step 209: read the operating system error message among the NVRAM, call the debug module and carry out the operating system debugging, the debug module is handled the operating system error message that copies from internal memory according to zone bit.
After copying nonvolatile memory to, then addressable this operating system error message of BIOS, operating system is called the debug module and is started correlation module according to zone bit afterwards, uses this operating system error message to debug processing.
The embodiment of the invention is saved in the internal memory by the operating system error message that geocoding is exceeded 4GB, and in S3 pattern start-up course, skip detection to this region of memory, after the normal startup of operating system, copy the described operating system error message that is kept in the internal memory to nonvolatile memory again, make that all and wrong relevant key message can be by complete documentations, then the operating system debugging can normally be carried out.
In the practical application, can test code be set, in the os starting process, have or not and be changed to test this region of memory to the region of memory of preserving the operating system error message.Three of following examples describe this treatment scheme in detail in conjunction with Fig. 3, and Fig. 3 is the method flow synoptic diagram of the embodiment of the invention three.
Embodiment three,
Step 301: mistake appears in the operating system process, and CPU notice BIOS enters the S3 pattern.
Step 302:CPU judges whether the operating system error message geocoding that needs to preserve exceeds 4GB, and exceeding changes step 304, and not exceeding then changes step 303.
Step 303: the described operating system error message that will not exceed 4GB is saved among the NVRAM, changes step 308.
Step 304: the described operating system error message that will exceed 4GB is provided with zone bit, and is saved in the internal memory.
Step 305: the region of memory of preserving the operating system error message is provided with test code.
Test code can be to interrupt the default value that 19 functions are filled in, as 5A5A, or the numerical value that is provided with of other modes, do not influence realization of the present invention.
Step 306: indication operating system starts from the S3 pattern.
Step 307: revise the BIOS source code, in S3 pattern start-up course, skip internal memory detection to the region of memory of preserving the operating system error message.
Step 308: during os starting, whether the test code that detects the region of memory of skipping is identical with the test code that is provided with.
Identical then explanation, the operating system error message that this region of memory is preserved does not change, or active data, can be in follow-up use.
Step 305 can repeat to 308, and whether the test code that detects the region of memory of skipping repeatedly is identical with the test code that is provided with, and different test codes can be set when detecting each time, do not influence realization of the present invention.
Step 309: whether decision operation system error message geocoding exceeds 4GB, and exceeding changes step 310, otherwise changes step 311.
Step 310: the operating system error message that will be kept in the internal memory copies NVRAM to.
Step 311: read the operating system error message among the NVRAM, call the debug module and carry out the operating system debugging, the debug module is handled the operating system error message that copies from internal memory according to zone bit.
The embodiment of the invention is saved in the internal memory by the operating system error message that geocoding is exceeded 4GB, and in S3 pattern start-up course, skip detection to this region of memory, after the normal startup of operating system, copy the described operating system error message that is kept in the internal memory to nonvolatile memory again, make that all and wrong relevant key message can be by complete documentations, then the operating system debugging can normally be carried out.
And, when operating system restarts, the region of memory of preserving the operating system error message is provided with test code, guarantee the correctness and the integrality of the data that internal memory is preserved.
Need to prove, for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the instructions all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
A kind of method of preserving operation system information more than is provided, and the embodiment of the invention also provides a kind of device of operation system information and a kind of operational system of operating system of preserving.
A kind of device 40 of preserving operation system information, referring to Fig. 4, Fig. 4 is the structural representation of embodiment of the invention device, comprising:
Judging unit 41 is used for when operating system is made mistakes, and judges the operating system error message geocoding that needs to preserve and exceeds Basic Input or Output System (BIOS) reference address scope; When the operating system error message refers to that operating system is made mistakes, the error message that each program of the operating system of moving produces and the address information at CPU IRQ and current STACK place; In 32 machines, Basic Input or Output System (BIOS) reference address scope is 4GB; And operation system information might exceed 4GB when calculator memory exceeds 4GB.
Preserve unit 42, be used for the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope that described judging unit 41 is judged is saved in storage unit, described storage unit is preserved operation system information; After also the described operating system error message that described judging unit 41 can be judged is provided with zone bit, be saved in the storage unit.Operation system information refers to the described relevant information of the normal operation of system.
Revise unit 43, be used to revise the Basic Input or Output System (BIOS) source code, in the start-up course of the operation system information that operating system is preserved in according to storage unit, skip detection described storage unit;
The device 40 of described preservation operation system information also comprises zone bit unit 45 and debugging unit 46 is set:
The device 40 of described preservation operation system information also comprises:
A kind of operational system 50 of operating system, referring to Fig. 5, Fig. 5 is the structural representation of embodiment of the invention system, comprising:
Preserve the device 40 of operation system information, be used for when operating system 51 is made mistakes, after judging the operating system error message geocoding of need preserving and exceeding Basic Input or Output System (BIOS) reference address scope, the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope is saved in the storage unit, described storage unit is preserved operation system information, and modification Basic Input or Output System (BIOS) source code, in the process that the operation system information that operating system 51 is preserved in according to described storage unit starts, skip detection to described storage unit, after operating system 51 started, the operating system error message that described preservation unit is preserved copied nonvolatile memory to;
Operating system 51 is used for after makeing mistakes, and the operation system information of preserving according to the device 40 of described preservation operation system information starts.
The device 40 of described preservation operation system information calls the debug module according to the operating system error message in the nonvolatile memory after also being used in operating system 51 startups, and operating system is debugged.
The embodiment of the invention is saved in the storage unit by the operating system error message that geocoding is exceeded Basic Input or Output System (BIOS) reference address scope, and the operation system information of preserving in according to storage unit starts the operating system and skips detection to this storage unit in the process, behind the os starting, copy the described operating system error message that is kept in the storage unit to nonvolatile memory again, make that wrong relevant key message can be by complete documentation, then the operating system debugging can normally be carried out.
And, when operating system restarts, the storage unit of preserving the operating system error message is provided with test code, guarantee the correctness and the integrality of the data that storage unit is preserved.
One of ordinary skill in the art will appreciate that, realize all or part of flow process in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-OnlyMemory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
More than a kind of method and device of preserving operation system information that the embodiment of the invention provided is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. method of preserving operation system information is characterized in that:
When operating system was made mistakes, the operating system error message that will exceed Basic Input or Output System (BIOS) reference address scope was saved in the internal memory, and described internal memory is preserved operation system information;
Indication operating system starts according to the operation system information of preserving in the internal memory;
In the process of starting the operating system, skip preserving the detection in the zone of operating system error message in the described internal memory;
Behind the os starting, copy the described operating system error message that is kept in the described internal memory to nonvolatile memory.
2. method according to claim 1 is characterized in that, the described described operating system error message that is kept in the described internal memory is copied to also comprises after the nonvolatile memory:
According to the operating system error message in the nonvolatile memory, operating system is debugged.
3. method according to claim 2 is characterized in that, the described described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope is saved in the internal memory is specially:
After the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope is provided with zone bit, be saved in the internal memory;
Described operating system is debugged is specially:
Call the debug module according to the described operating system error message in the zone bit reading non-volatile storage after, operating system is debugged.
4. method according to claim 1 is characterized in that, comprises before the described os starting:
The zone of preserving the operating system error message in the described internal memory is provided with test code;
Then when operating system restarts, judge in the self check process of described internal memory whether the test code of the region of memory of skipping is identical with the test code that is provided with.
5. method according to claim 4 is characterized in that, and is described when restarting, and judges in the self check process of described internal memory whether the test code of the region of memory of skipping also comprises with the identical of setting:
Test code is reset in the zone of preserving the operating system error message in the described internal memory;
When operating system restarts for the second time, judge in the self check process of described internal memory whether the test code of the region of memory of skipping is identical with the test code that is provided with.
6. according to each described method of claim 1 to 5, it is characterized in that described detection of skipping preserving the zone of operating system error message in the described internal memory is specially in the process of starting the operating system:
Revise the Basic Input or Output System (BIOS) source code, in the os starting process, skip preserving the detection in the zone of operating system error message in the described internal memory.
7. a device of preserving operation system information is characterized in that, comprising:
Judging unit is used for when operating system is made mistakes, and judges the operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope;
Preserve the unit, be used for the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope that described judgment unit judges goes out is saved in internal memory, described internal memory is preserved operation system information;
Revise the unit, be used to revise the Basic Input or Output System (BIOS) source code, preserve the detection in the zone of operating system error message in the start-up course of the operation system information that operating system is preserved in according to internal memory, skipping described internal memory;
Copy cell is used for behind os starting, and the operating system error message that described internal memory is preserved copies nonvolatile memory to.
8. device according to claim 7 is characterized in that, also comprises:
Debugging unit is used to call the debug module operating system is debugged.
9. device according to claim 8 is characterized in that, also comprises:
The zone bit unit is set, after being used for the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope is provided with zone bit, is saved in the described internal memory;
Described debugging unit is debugged operating system after then being used for calling the described operating system error message of debug module according to the zone bit reading non-volatile storage.
10. according to each described device of claim 7 to 9, it is characterized in that, also comprise:
The test code unit, be used for the zone of described internal memory preservation operating system error message is provided with test code, and when operating system restarts, judge in the self check process of described internal memory whether the test code of the region of memory of skipping is identical with the test code that is provided with.
11. the operational system of an operating system is characterized in that, comprising:
Preserve the device of operation system information, be used for when operating system is made mistakes, judge the operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope, the described operating system error message that exceeds Basic Input or Output System (BIOS) reference address scope is saved in the internal memory, described internal memory is preserved operation system information, and modification Basic Input or Output System (BIOS) source code, preserve the detection in the zone of operating system error message in the process that the operation system information that operating system is preserved in according to described internal memory starts, skipping to described internal memory, behind os starting, copy the operating system error message of preserving in the described internal memory to nonvolatile memory;
Operating system is used for after makeing mistakes, and the operation system information of preserving according to the device of described preservation operation system information starts.
12. system according to claim 11, it is characterized in that, the device of described preservation operation system information also is used for behind os starting, calls the debug module according to the operating system error message in the nonvolatile memory, and described operating system is debugged.
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