System and method for the management of wireless communications device system software downloads in the field

• US 7,386,846 B2
• Filed: 10/02/2001
• Issued: 06/10/2008
• Est. Priority Date: 07/26/2001
• Status: Expired due to Fees

• Current Assignee: Kyocera Corporation
• Original Assignee: Kyocera Wireless Corporation (Kyocera Corporation)
• Inventors: Rajaram, Gowri
• Primary Examiner(s): Zhen; Wei
• Assistant Examiner(s): CHOW, CHIH CHING
• Application Number:
  US09/969,305
• Publication Number:
  US 20030064717A1
• Time in Patent Office: 2,443 Days
• Field of Search: 717/173, 717/106, 717/172, 455/419, 714/31, 711/15, 709/248, 709/224, 709/204, 465/419, 705/50
• US Class Current: 717/173
• CPC Class Codes: G06F 8/65 Updates security arrangements therefor G06F21/57
• CPC Class Codes: G06F 9/44521 Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
• CPC Class Codes: H04W 8/245 from a network towards a terminal

Abstract

A system and method are provided for managing system software download operations in a wireless communications device. The method comprises: executing system software; launching a run-time engine; processing dynamic instruction sets; and, in response to processing the dynamic instruction sets, managing the downloading of system software updates received via an airlink interface using management functions selected from the group including recovery status monitoring, back up, compacting, and update ordering.

Claims

1. In a communication system having a plurality of active wireless communications devices, a method for managing system software installation operations at each wireless communications device of the plurality of wireless communications devices, the method comprising:

identifying system software updates for a plurality of active wireless communications devices;

generating a dynamic instruction set configured to install the system software updates;

combining the system software updates with the dynamic instruction set to form a common software update file, wherein the common software update file is generated without inquiry to each wireless communications device;

receiving, at a particular wireless communications device of the plurality of wireless communications devices, the dynamic instructions sets and the system software updates in a broadcast message via an airlink interface;

executing the system software updates on the particular wireless communications device;

launching a run-time engine on the particular wireless communications device;

evaluating, using the run-time engine to execute the dynamic instruction set, current operational characteristics of the particular wireless communications device, wherein current operational characteristics comprise characteristics related to the system software updates;

conditionally using the system software updates on the particular wireless communications device according to the evaluation;

processing the dynamic instruction set using the run-time engine of the particular wireless communications device; and

in response to processing the dynamic instruction set, functionally managing the installation of the system software updates received via the airlink interface to provide updated system software on the particular wireless communications device;

wherein managing the installation of the system software updates received via the airlink interface includes processing dynamic instruction set management functions selected from the group including recovery status monitoring, back up management, compacting management, and update ordering management; and

forming the system software into symbol libraries, each symbol library comprising symbols having related functionality; and

arranging the symbol libraries into code sections stored in a code storage section of nonvolatile memory; and

receiving patch manager run time instructions (PMRTIs) in a file system section (FSS) nonvolatile memory, the patch manager run time instructions including dynamic instruction sets and new code sections.

2. The method of claim 1 further comprising:

executing the updated system software on the particular wireless communications device.

3. The method of claim 1 wherein processing recovery status monitoring dynamic instruction sets includes:

maintaining a recovery status table cross-referencing new code section identifiers with their update status;

in response to rebooting the wireless communications device, reading the recovery status table to determine if new code sections have been stored in permanent storage;

if the new code sections have not been stored, storing the new code section in permanent storage; and

, when the new code sections have been stored, updating the recovery status table.

4. The method of claim 3 wherein processing recovery status monitoring dynamic instruction sets further includes:

determining the risk associated with storing each new code section; and

, if the

risk of storing new code sections is high, taking safety precautions.

5. The method of claim 4 wherein taking safety precautions includes taking safety precautions selected from the group of checking the battery for sufficient power to complete the new code storing process, warning the user of high-risk code storing operations, using prompts to verify user-initiated power downs, and preventing user-initiated power downs.

6. The method of claim 5 wherein determining the risk associated with storing each new code section includes determining the risk associated with new code sections selected from the group including a boot code section, a patch manager code section, a code section address table, a symbol offset address table, read-write data, and symbol accessor code addresses.

7. The method of claim 6 wherein forming the system software into symbol libraries includes forming a patch manager code section with a patch library for moving code sections in the file system section into permanent storage;

wherein receiving the patch manager run time instructions in a file system section nonvolatile memory includes receiving a new patch manager code section;

wherein processing recovery status monitoring dynamic instruction sets further includes;

maintaining a spare patch library in the file system section;

in response to rebooting the wireless communications device, reading the recovery status table to determine if the new patch manager code section has been successfully stored in the code storage section; and

,

using the spare patch library to move the new patch manager code section from the file system section to code storage section, if the new patch manager code section has not been successfully stored in the code storage section.

8. The method of claim 1 wherein receiving new code sections includes receiving an updated first code section to replace a first code section in the code storage section:

wherein processing back up management dynamic instruction sets includes;

moving the first code section from the code storage section to the file system section;

moving the updated first code section from the file system section to the code storage section;

determining if the updated first code section in the code storage section operates with the system software within predetermined constraints; and

, replacing the updated first code section in the code storage section with the first code section from the file system sections if the updated first code section is determined to not operate with the system software within the predetermined constraints.

9. The method of claim 8 wherein receiving new code sections includes receiving a test code section with predetermined constraints;

wherein determining if the updated first code section in the code storage section operates with the system software within predetermined constraints includes;

executing the test code section with the updated code section;

recording

the results of executing the test code section; and

, comparing the

recorded results with the predetermined constraints.

10. The method of claim 9 wherein receiving new code sections includes receiving an updated code section with a test code library;

and,

wherein determining if the updated first code section in the code storage section operates with the system software within predetermined constraints includes executing the test code library from the updated code section.

11. The method of claim 9 wherein receiving new code sections includes receiving a test code section with predetermined constraints from a source selected from the group including an airlink interface, a user operated keyboard interface, and a test port interface.

12. The method of claim 1, wherein receiving new code sections includes receiving an updated first code section, having an updated code section size, to replace a first code section having a first size smaller than the updated first code section size;

wherein processing compaction management dynamic instruction sets includes;

accessing a compaction library in a patch manager code section; and

,

resizing code sections in the code storage section to accommodate the updated first code section.

13. The method of claim 12 wherein processing compaction management dynamic instruction sets further includes:

determining the risk associated with compacting code sections in the code storage section; and

,

if the risk of compacting code sections is high, taking safety precautions.

14. The method of claim 13 wherein taking safety precautions includes taking safety precautions selected from the group of checking the battery for sufficient power to complete the new code storing process, warning the user of high-risk code storing operations, using prompts to verify user-initiated power downs, and preventing user-initiated power downs.

15. The method of claim 1 wherein receiving dynamic instruction sets includes receiving an update ordering instruction, and wherein receiving new code sections includes receiving a plurality of new code sections;

and,

wherein processing update ordering management dynamic instruction sets includes moving the new code sections from the file system storage to the code storage section in an order dictated by the ordering instruction.

16. The method of claim 15 wherein processing update ordering dynamic instruction sets further includes:

determining the risk associated with storing each new code section; and

,

ordering the high risk code sections to be moved after lower risk storage sections.

17. In a wireless communication device active in a wireless communication system having a server and a plurality of active wireless communication devices, a method for managing system software installation operations, the method comprising:

identifying system software updates for a plurality of active wireless communications devices;

generating a dynamic instruction set configured to install the system software updates;

combining the system software updates with the dynamic instruction set to form a common software update file, wherein the common software update file is generated without inquiry to each wireless communications device;

receiving the dynamic instruction set and the system software updates via an airlink interface;

executing system software;

wherein the system software is formed into symbol libraries, each symbol library comprising symbols having related functionality, arranged into code sections stored in a code storage section; and

, the system further comprising;

a file system section of nonvolatile memory receiving patch manager run time instructions (PMRTIs) including the dynamic instruction sets and new code sections;

launching a run-time engine on the wireless communications device;

evaluating, using the run-time engine to execute the dynamic instruction set, current operational characteristics of the wireless communications device;

conditionally using the system software updates according to the evaluation;

processing dynamic instruction set; and

,

in response to processing the dynamic instruction set, functionally managing the installation of the system software updates received via the airlink interface using management functions selected from the group including recovery status monitoring, back up, compacting, and update ordering.

18. In a wireless communications device, a system for managing system software download operations, the system comprising:

an airlink interface;

executable system software and system data differentiated into code sections stored in nonvolatile memory permanent storage;

wherein the executable system software is formed into symbol libraries, each symbol library comprising symbols having related functionality, arranged into the code sections stored in a code storage section; and

,

a file system section of nonvolatile memory receiving patch manager run time instructions (PMRTIs) including dynamic instruction sets and new code sections; and

the dynamic instruction sets include functional managers selected from the group including recovery status monitoring manager, back up manager, compacting manager, and update ordering manager;

the dynamic instruction sets for locally managing the installation of system software updated received via the airlink interface, the system software updates being generated without inquiry to the wireless communication device, and

a run-time engine for processing the dynamic instruction sets.

19. The system of claim 18 wherein the executable system software and system data are updated in response to processing the dynamic instruction sets.

20. The system of claim 18 further comprising:

a recovery status table cross-referencing new code section identifiers with their update status; and

,

wherein the dynamic instruction set recovery status monitoring manager reads the recovery status table in response to rebooting the wireless communications device, to determine if new code sections have been stored in permanent storage, wherein the dynamic instruction set recovery status monitoring manager stores the new code section in permanent storage if the new code sections have not been stored and updates the recovery status table when the new code sections have been stored.

21. The system of claim 20 wherein the dynamic instruction set recovery status monitoring manager further determines the risk associated with storing each new code section and, if the risk of storing new code sections is high, takes safety precautions.

22. The system of claim 21 wherein the dynamic instruction set recovery status monitoring manager takes safety precautions selected from the group of checking the battery for sufficient power to complete the new code storing process, warning the user of high-risk code storing operations, using prompts to verify user-initiated power downs, and preventing user-initiated power downs.

23. The system of claim 22 wherein the file system section receives new code sections selected from the group including a boot code section, a patch manager code section, a code section address table, a symbol offset address table, read-write data, and symbol accessor code addresses;

and,

wherein the dynamic instruction set recovery status monitoring manager determines the risk associated with storing each of the new code sections in the file system section.

24. The system of claim 23 wherein the executable system software includes a patch manager code section with a patch library for moving code sections in the file system section into permanent storage;

wherein the file system section receives patch manager run time instructions including a new patch manager code section; and

,

wherein the dynamic instruction set recovery status monitoring manager maintains a spare patch library in the file system section, reads the recovery status table to determine if the new patch manager code section has been successfully stored in the code storage section in response to rebooting the wireless communications device, and uses the spare patch library to move the new patch manager code section from the file system section to code storage section, if the new patch manager code section has not been successfully stored in the code storage section.

25. The system of claim 18 wherein the file system section receives an updated first code section to replace a first code section in the code storage section;

and,

wherein the dynamic instruction set back up manager moves the first code section from the code storage section to the file system section, moves the updated first code section from the file system section to the code storage section, determines if the updated first code section in the code storage section operates with the system software within predetermined constraints, and replaces the updated first code section in the code storage section with the first code section from the file system section, if the updated first code section is determined to not operate with the system software within the predetermined constraints.

26. The system of claim 25 wherein the file system section receives a test code section with predetermined constraints;

and,

wherein the dynamic instruction set back up manager determines if the updated first code section in the code storage section operates with the system software within predetermined constraints by executing the test code section with the updated code section, recording the results of executing the test code section, and comparing the recorded results with the predetermined constraints.

27. The system of claim 26 wherein the file system section receives an updated code section with a test code library;

and,

wherein the dynamic instruction set back up manager executes the test code library from the updated code section.

28. The system of claim 26 wherein the file system section receives the test code section from a source selected from the group including the airlink interface, a user operated keyboard interface, and a test port interface.

29. The system of claim 18 wherein the file system section receives an updated first code section, having an updated code section size, to replace a first code section having a first size smaller than the updated first code section size;

and,

wherein the dynamic instruction set compaction manager accesses a compaction library in a patch manager code section and resizes code sections in the code storage section to accommodate the updated first code section.

30. The system of claim 29 wherein the dynamic instruction set compaction manager determines the risk associated with compacting code sections in the code storage section and, if the risk of compacting code sections is high, takes safety precautions.

31. The system of claim 30 wherein the dynamic instruction set compaction manager takes safety precautions selected from the group of checking the battery for sufficient power to complete the new code storing process, warning the user of high-risk code storing operations, using prompts to verify user-initiated power downs, and preventing user-initiated power downs.

32. The system of claim 18 wherein the file system section receives a plurality of new code sections with the update ordering dynamic instruction sets;

and,

wherein the dynamic instruction set update ordering manager moves the new code sections from the file system storage to the code storage section in an order dictated by the ordering instruction.

33. The system of claim 32 wherein the dynamic instruction set update ordering manager determines the risk associated with storing each new code section and orders the high risk code sections to be moved after lower risk storage sections.

34. A system for updating system software for a plurality of operating wireless communications devices, comprising:

identifying a system software update for a plurality of operating wireless communications devices;

generating a dynamic instruction set configured to install the system software update;

combining the system software update with the dynamic instruction set to form a common software update file, wherein the common software update file is generated without inquiry to any one of the operating wireless communications devices of the plurality of operating wireless communications devices;

wherein the common software update is formed into symbol libraries, each symbol library comprising symbols having related functionality, arranged into code sections stored in a code storage section; and

,

a file system section of nonvolatile memory receiving patch manager run time instructions (PMRTIs) including dynamic instruction sets and new code sections; and

the dynamic instruction sets include functional management selected from the group including recovery status monitoring, back up management, compacting management, and update ordering management;

broadcasting the common software update file to each of the operating wireless communications devices of the plurality of operating wireless communications devices, each wireless communication device operating the steps of;

receiving the common software update file via an airlink interface;

launching a run-time engine;

evaluating, using the run-time engine to execute the dynamic instruction set, current operational characteristics of the wireless communications device;

conditionally using the common software update file according to the evaluation;

processing the dynamic instruction sets using the run-time engine; and

in response to processing the dynamic instruction set, functionally managing the installation of the common software update file.

35. The system according to claim 34, wherein managing the installation includes processing the dynamic instruction sets to conditionally select sections of the software update file to install.

36. The system according to claim 34, wherein managing the installation includes processing the dynamic instruction sets to install the complete the software update file.

37. The system according to claim 34, wherein managing the installation includes processing the dynamic instruction sets to conditionally select additional sections stored on the wireless communication device to install, the additional sections not being in the received software update file.