CN102841859B - A kind of GSM mobile handset virtual memory construction method - Google Patents
A kind of GSM mobile handset virtual memory construction method Download PDFInfo
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- CN102841859B CN102841859B CN201210289328.0A CN201210289328A CN102841859B CN 102841859 B CN102841859 B CN 102841859B CN 201210289328 A CN201210289328 A CN 201210289328A CN 102841859 B CN102841859 B CN 102841859B
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- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000000151 deposition Methods 0.000 claims abstract description 17
- 238000004321 preservation Methods 0.000 claims abstract description 4
- 238000005242 forging Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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Abstract
The invention discloses a kind of GSM mobile handset virtual memory construction method, described GSM mobile handset have one the quick execution district being used for depositing executable code that controls by GSM mobile handset system, comprise step: when entering a GSM mobile handset privately owned application, be code A with the irrelevant code signing of described privately owned application by depositing in described quick execution district, forge system call code A is shifted out from described quick execution district, preserve separately; Obtain code A in the address in described quick execution district, skew and size; Shift out code A for described quick execution Qu Zhongyin and code area and memory field are carried out being reclassified as virtual memory in the region vacated, code area is used for depositing and performs frequent complicated code block, and region of memory is used for depositing mutual data field frequently; When described privately owned application completes, the virtual memory described in release, forges system call and described code A is reduced to its initial preservation position.
Description
Technical field
The invention belongs to mobile communication technology field, particularly a kind of GSM mobile handset virtual memory construction method.
Background technology
Along with the fast development of mobile network, GSM mobile handset is in network application, and game, the fields such as local application become worse and worse the support of user and Experience Degree.Increasing application relies on mobile phone must have internal memory faster, larger CPU, larger ROM, but the restriction of GSM mobile handset technology itself, and these factors govern the later development of GSM.
Summary of the invention
The object of this invention is to provide a kind of GSM mobile handset virtual memory construction method, to solve the problem that GSM mobile handset internal memory in prior art cannot meet mobile phone application requirement.
The I/O operating delay of GSM mobile handset is the subject matter affecting application performance.The technology that I/O performance does not also have this respect to be promoted at present when hardware is constant.Analyze mobile phone RAM to distribute, can find after the call relation of ROM code area, system hardware conceals one piece of region, this region (performing district fast) is generally used to deposit code, this part region reading speed is much larger than mobile phone RAM, but this part perform fast district control by system, peripherals can not use at all.But this part region in use can be removed by system and load.Utilize this characteristic, the system that can disguise oneself as in use is applied, and carries out control operation to this region.
Technical scheme of the present invention is, a kind of GSM mobile handset virtual memory construction method, described GSM mobile handset have one the quick execution district being used for depositing executable code that controls by GSM mobile handset system, described GSM mobile handset virtual memory construction method comprises the following steps:
When entering a GSM mobile handset privately owned application, being code A with the irrelevant code signing of described privately owned application by depositing in described quick execution district, forging system call and code A is shifted out from described quick execution district, preserving separately;
Obtain code A in the address in described quick execution district, skew and size;
Shift out code A for described quick execution Qu Zhongyin and code area and memory field are carried out being reclassified as virtual memory in the region vacated, code area is used for depositing and performs frequent complicated code block, and region of memory is used for depositing mutual data field frequently;
When described privately owned application completes, the virtual memory described in release, forges system call and described code A is reduced to its initial preservation position.
Virtual memory techniques based on GSM mobile handset disclosed by the invention, by conjunction with GSM mobile handset hardware, provides one piece based on the storage block of code area, improves memory read-write speed, improves application implementation effect, promotes Consumer's Experience, advance the development of GSM mobile handset further.
Accompanying drawing explanation
Fig. 1 is GSM mobile handset virtual memory construction method process flow diagram in one embodiment of the invention
Embodiment
GSM mobile handset virtual memory construction method of the present invention, described GSM mobile handset have one the quick execution district being used for depositing executable code that controls by GSM mobile handset system, described GSM mobile handset virtual memory construction method comprises the following steps:
When entering a GSM mobile handset privately owned application, being code A with the irrelevant code signing of described privately owned application by depositing in described quick execution district, forging system call and code A is shifted out from described quick execution district, preserving separately;
Obtain code A in the address in described quick execution district, skew and size;
Shift out code A for described quick execution Qu Zhongyin and code area and memory field are carried out being reclassified as virtual memory in the region vacated, code area is used for depositing and performs frequent complicated code block, and region of memory is used for depositing mutual data field frequently;
When described privately owned application completes, the virtual memory described in release, forges system call and described code A is reduced to its initial preservation position.
Technical scheme of the present invention, first analyzes the code relation in ROM code region, analyzes the interdependent property in code use procedure, and such as, the use of player must rely on decoding storehouse and display logic.And GSM mobile handset is all generally single processing logic, namely a time point only has one to be applied in operation, according to this feature, coupling system removes the particular interface of loading, can when entering privately owned application, dazzle system is called uncorrelated code code to remove and is performed district fast, and is saved by this part code.And virtual one section of code utilizes fills performing district fast, obtains the address of region unit, skew and size.Finally broken up in the region be available, be divided into code area and memory field, code area can be used for depositing execution related frequency, complicated code block, and region of memory can deposit mutual data field frequently.
Fig. 1 is the method frame logical diagram of GSM mobile handset virtual memory, mainly make use of system hardware bottom address, carry out pre-service to this region in actual use procedure is total, and dazzle system calls the operable region of segmentation, and externally provides unified interface.After being applied in end, this region is reduced, ensure the integrality of system.
Claims (1)
1. a GSM mobile handset virtual memory construction method, described GSM mobile handset have one the quick execution district being used for depositing executable code that controls by GSM mobile handset system, this performs district is fast described GSM mobile handset wrapping hardware region, this region reading speed is greater than described GSM mobile handset RAM, and this perform fast district control by system, peripherals cannot use at all, this performs district fast and in use can be removed by system and load, the system that can disguise oneself as in use is applied, it is characterized in that, described GSM mobile handset virtual memory construction method comprises the following steps:
When entering a GSM mobile handset privately owned application, being code A with the irrelevant code signing of described privately owned application by depositing in described quick execution district, forging system call and code A is shifted out from described quick execution district, preserving separately;
Obtain code A in the address in described quick execution district, skew and size;
Shift out code A for described quick execution Qu Zhongyin and code area and memory field are carried out being reclassified as virtual memory in the region vacated, code area is used for depositing and performs frequent complicated code block, and region of memory is used for depositing mutual data field frequently;
When described privately owned application completes, the virtual memory described in release, forges system call and described code A is reduced to its initial preservation position,
Wherein, the privately owned application of described mobile phone is player, and the use of this player relies on decoding storehouse and display logic,
Described GSM mobile handset is single processing logic, and namely a time point only has one to be applied in operation.
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| CN201210289328.0A CN102841859B (en) | 2012-08-14 | 2012-08-14 | A kind of GSM mobile handset virtual memory construction method |
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| CN201210289328.0A CN102841859B (en) | 2012-08-14 | 2012-08-14 | A kind of GSM mobile handset virtual memory construction method |
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| CN102841859B true CN102841859B (en) | 2015-12-16 |
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| CN103942120B (en) * | 2014-04-02 | 2017-06-16 | 南京鼎岩信息科技有限公司 | A kind of reading/writing method and system based on Intel Virtualization Technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818870A (en) * | 2006-03-16 | 2006-08-16 | 浙江大学 | Memory mirror starting optimization of built-in operation system |
| CN102279762A (en) * | 2011-06-23 | 2011-12-14 | 杭州斯凯网络科技有限公司 | Method for improving service efficiency of internal memory on mobile phone platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6807630B2 (en) * | 2000-12-15 | 2004-10-19 | International Business Machines Corporation | Method for fast reinitialization wherein a saved system image of an operating system is transferred into a primary memory from a secondary memory |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818870A (en) * | 2006-03-16 | 2006-08-16 | 浙江大学 | Memory mirror starting optimization of built-in operation system |
| CN102279762A (en) * | 2011-06-23 | 2011-12-14 | 杭州斯凯网络科技有限公司 | Method for improving service efficiency of internal memory on mobile phone platform |
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Denomination of invention: Construction method of global system for mobile communication (GSM) mobile phone virtual memory Effective date of registration: 20170424 Granted publication date: 20151216 Pledgee: Bank of China Limited by Share Ltd Shanghai Minhang branch Pledgor: Shanghai Aiqi Information Science & Technology Co., Ltd. Registration number: 2017310000021 |
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Denomination of invention: Construction method of global system for mobile communication (GSM) mobile phone virtual memory Effective date of registration: 20180927 Granted publication date: 20151216 Pledgee: Bank of China Limited by Share Ltd Shanghai Minhang branch Pledgor: Shanghai Aiqi Information Science & Technology Co., Ltd. Registration number: 2018310000062 |
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Address after: 201108 room G59, floor 3, building 6, No. 4299, Jindu Road, Minhang District, Shanghai Patentee after: Shanghai Aiqi Information Technology Co., Ltd Address before: 201108, room 6, building 4289, 247 Jin Du Road, Shanghai, Minhang District Patentee before: SHANGHAI ENERGY INFORMATION TECHNOLOGY Co.,Ltd. |
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Date of cancellation: 20201111 Granted publication date: 20151216 Pledgee: Bank of China Limited by Share Ltd. Shanghai Minhang branch Pledgor: SHANGHAI ENERGY INFORMATION TECHNOLOGY Co.,Ltd. Registration number: 2018310000062 |