System and method for controlling multiple computer peripheral devices using a generic driver

• US 9,329,887 B2
• Filed: 10/19/2011
• Issued: 05/03/2016
• Est. Priority Date: 10/19/2011
• Status: Expired due to Fees

• Current Assignee: HOB GmbH & Co. KG
• Original Assignee: HOB GmbH & Co. KG
• Inventors: Brandsttter, Klaus, Heinrich, Stefan, Vella, Simon
• Primary Examiner(s): Jones, Hugh
• Assistant Examiner(s): Brock, Robert
• Application Number:
  US13/276,636
• Publication Number:
  US 20130103380A1
• Time in Patent Office: 1,658 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G06F 2009/45579 I/O management, e.g. providing access to device drivers or storage
• CPC Class Codes: G06F 9/45558 Hypervisor-specific management and integration aspects

Abstract

A method for controlling a peripheral hardware device connected to a computer system is disclosed, the computer system includes a first operating system, acting as the host operating system, running on a first processor platform, and a generic device driver operating on the combination of the first operating system and first processor platform. The method includes delivering the peripheral hardware device with an original peripheral hardware device driver file written for a second operating system or a second processor platform, handling, by the generic device driver, interfaces between the first operating system, the peripheral hardware device and a software application, all configured to interact with the original peripheral device driver file, and emulating, by the generic device driver, at least a part of the second operating system and the second processor that are required for the peripheral hardware device to operate on the first operating system and the first processor.

Claims

1. A method for controlling a peripheral hardware device connected to a computer system, said computer system comprising a first operating system, acting as the host operating system, running on a first processor platform, and a generic device driver configured to operate on the combination of said first operating system and first processor platform, said method comprising:

delivering said peripheral hardware device with an original peripheral hardware device driver file written for at least one of a second operating system and a second processor platform,

installing the generic driver to handle all interfaces between the first operating system, the peripheral hardware device, and any software applications, all of which are configured to interact with the original peripheral device driver,

extracting input to said generic device driver from said original peripheral device driver to provide the generic device driver with

information about how to handle features and functionality of peripheral hardware device to allow the peripheral hardware device to work in the first operating system and on the first processor platform in a same way that the original peripheral hardware device would work in the second operating system and processor platform, the information about how to handle features and functionality including all application programming interface (API) calls, and

information about how to emulate only those parts of the second operating system and the second processor platform that are required for the original peripheral device to operate on the first operating system and the first processor platform,

the step of extracting comprising the steps of;

parsing said original peripheral device driver file and writing logic determined by said parsing into a parsed portable executable file;

disassembling a code section within said original peripheral device driver file using information taken from the parsed portable executable file and a disassembler appropriate to the combination of said second operating system and said second processor platform for which said original peripheral device driver was written to output a disassembled driver file; and

creating a device driver representation file comprising a representation of all information in the disassembled driver file in a format that is readable by, and can be interpreted by said generic device driver and that is different than the format of the information in the disassembled driver file, said information in the disassembled driver file including all assembly instructions in a portable executable file associated with the original peripheral device driver file,

handling, by said generic device driver, using the device driver representation file, interfaces between the first operating system, the peripheral hardware device and at least one software application, all of which are configured to interact with said original peripheral device driver file,

emulating, by said generic device driver, at least a part of said second operating system and said second processor that are required for the peripheral hardware device to operate on said first operating system and said first processor, and

causing the first operating system to communicate with the generic device driver to control the peripheral hardware device via system calls, kernel application programming interface calls and the device driver representation file,

wherein said step of causing comprises presenting said generic device driver to said first operating system running in kernel mode as being a device driver best suited for a particular hardware device, in place of said original peripheral hardware device driver.

2. The method according to claim 1, further comprising examining, by said generic device driver, functionality of said original peripheral device driver as to security and stability issues for interaction on said first operating system and processor platform.

3. The method according to claim 1, wherein the information extracted from the original peripheral device driver includes instructions, and the method further comprises emulating all instructions that are extracted from said original peripheral device driver that need to be emulated using a driver analyzer and passing the extracted instructions to instruction emulation functions in a virtualized guest system to emulate the determined sequence of instructions.

4. The method according to claim 1, passing the extracted APIs to API Forwarder/Mapper/Emulation functions in the host system to emulate the extracted APIs.

5. The method according to claim 1, wherein said computer system has at least one universal serial bus port (USB port) for use in the input and output of data, and wherein the said peripheral hardware device is connected to the computer system by means of the USB port.

6. The method according to claim 1, wherein the combination of the said second operating system and second processor platform is the same as the combination of said first operating system and first processor platform.

7. A non-transitory computer readable medium storing a computer program capable of being executed by a computer processor, the computer program for controlling a peripheral hardware device connected to a computer system, said computer system comprising a first operating system, acting as the host operating system, running on a first processor platform, and a generic device driver configured to operate on the combination of said first operating system and first processor platform, and comprising instructions for performing the following steps:

delivering said peripheral hardware device with an original peripheral hardware device driver file written for at least one of a second operating system and a second processor platform,

installing the generic driver to handle all interfaces between the first operating system, the peripheral hardware device, and any software applications, all of which are configured to interact with the original peripheral device driver,

extracting input to said generic device driver from said original peripheral device driver to provide the generic device driver with

information about how to handle features and functionality of the peripheral hardware device to allow the peripheral hardware device to work in the first operating system and on the first processor platform in a same way that the original peripheral hardware device would work in the second operating system and processor platform, the information about how to handle features and functionality including all application programming interface (API) calls, and

information about how to emulate only those parts of the second operating system and the second processor platform that are required for the original peripheral device to operate on the first operating system and the first processor platform, the step of extracting comprising the steps of;

parsing said original peripheral device driver file and writing logic determined by said parsing into a parsed portable executable file;

disassembling a code section within said original peripheral device driver file using information taken from the parsed portable executable file and a disassembler appropriate to the combination of said second operating system and said second processor platform for which said original peripheral device driver was written to output a disassembled driver file; and

creating a device driver representation file comprising a representation of all information in the disassembled driver file in a format that is readable by, and can be interpreted by said generic device driver and that is different than the format of the information in the disassembled driver file, said information in the disassembled driver file including all assembly instructions in a portable executable file associated with the original peripheral device driver file,

handling, by said generic device driver, using the device driver representation file, interfaces between the first operating system, the peripheral hardware device and at least one software application, all of which are configured to interact with said original peripheral device driver file,

emulating, by said generic device driver, at least a part of said second operating system and said second processor that are required for the peripheral hardware device to operate on the said first operating system and said first processor,

causing the first operating system to communicate with the generic device driver to control the peripheral hardware device via system calls, kernel application programming interface calls and the device driver representation file, and

presenting said generic device driver to said first operating system running in kernel mode as being a device driver best suited for a particular hardware device, in place of said original peripheral hardware device driver.

8. The computer program according to claim 7, further comprising instructions for examining, by said generic device driver, functionality of said original peripheral device driver as to security and stability issues for interaction on said first operating system and processor platform.

9. The computer program according to claim 7, said step of causing comprises instructions, which when executed on the computer processor, emulate all instructions that are extracted from said original peripheral device driver that need to be emulated and call instruction emulation functions in a virtualized guest system to emulate the determined sequence of instructions.

10. A computer system comprising:

a peripheral hardware device;

a first computer processor having an input connected to the peripheral hardware device,

a memory storing a first operating system, acting as the host operating system, running on the first processor, and a generic device driver file configured to operate on the combination of said first operating system and the first processor,

an original peripheral hardware device driver file stored on said memory for controlling said peripheral hardware device written for at least one of a second operating system and a second processor,

wherein said generic device driver file controls interfaces between the first operating system, the peripheral hardware device and at least one software application, all of which are configured to interact with said original peripheral device driver file,

wherein said generic device driver file contains computer instruction code configured to;

emulate only a part of said second operating system and said second processor that are required for the peripheral hardware device to operate on the said first operating system and said first processor,

handle all interfaces between the first operating system, the peripheral hardware device, and any software applications, all of which are configured to interact with the original peripheral device driver,

extracting input to said generic device driver from said original peripheral device driver to provide the generic device driver with information about how to handle features and functionality of the peripheral hardware device to allow the peripheral hardware device to work in the first operating system and on the first processor platform in a same way that the original peripheral hardware device would work in the second operating system and processor platform, the information about how to handle features and functionality including all application programming interface (API) calls, and information about how to emulate parts of the second operating system and the second processor platform that are required for the original peripheral device to operate on the first operating system and the first processor platform, by

parsing said original peripheral device driver file and writing logic determined by said parsing into a parsed portable executable file;

disassembling a code section within said original peripheral device driver file using information taken from the parsed portable executable file and a disassembler appropriate to the combination of said second operating system and said second processor platform for which said original peripheral device driver was written to output a disassembled driver file; and

creating a device driver representation file comprising a representation of all information in the disassembled driver file in a format that is readable by, and can be interpreted by said generic device driver and that is different than the format of the information in the disassembled driver file, said information in the disassembled driver file including all assembly instructions in a portable executable file associated with the original peripheral device driver file; and

causing the first operating system to communicate with the generic device driver to control the peripheral hardware device via system calls, kernel application programming interface calls and the device driver representation file,

wherein said step of causing comprises instructions, which when executed on the computer processor, present said generic device driver file to said first operating system running in kernel mode as being a device driver best suited for a particular hardware device, in place of said original peripheral hardware device driver file.

11. The computer system according to claim 10, wherein said instruction code is configured to examine, by said generic device driver file, functionality of said original peripheral device driver file as to security and stability issues for interaction on said first operating system and the first processor.

12. The computer system according to claim 10, wherein the information extracted from the original peripheral device driver includes instructions, and wherein said instruction code is configured to emulate all instructions that are extracted from said original peripheral device driver file and calling instruction emulation functions in a virtualized guest system to emulate determined sequence of instructions.

13. The computer system according to claim 10, wherein said instruction code is configured to emulate all APIs that are extracted from said original peripheral device driver file using API Forwarder/Mapper/Emulation functions in a host system.

14. The computer system according to claim 10, wherein said computer system has at least one universal serial bus port (USB port) for use in the input and output of data, and wherein the peripheral hardware device is connected to the computer system by means of the USB port.

15. The computer system according to claim 10, wherein the combination of said second operating system and said second processor is the same as the combination of said first operating system and said first processor.