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Boot architecture for microkernel-based systems

  • US 5,675,795 A
  • Filed: 06/26/1995
  • Issued: 10/07/1997
  • Est. Priority Date: 04/26/1993
  • Status: Expired due to Term
First Claim
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1. A method in a data processing system for initiating operation of an operating system environment in the data processing system, wherein the data processing system has a kernel and a plurality of device drivers and wherein the plurality of device drivers are programs separate from the kernel, the method comprising the data processing system implemented steps of:

  • placing a boot volume in a memory, wherein the boot volume includes;

    a file anchor, indicating a starting point to find files associated with the boot volume;

    a plurality of file headers associated with the file anchor, each file header including an identification of files associated with the boot volume; and

    a plurality of block list elements, each block list element identifying a contiguous block of data in a storage device, wherein data structures comprising a file may be identified and accessed using at least one block list element; and

    loading a plurality of programs associated with initialization of an operating system environment into the memory using the boot volume, whereby initialization of the operating system environment may be accomplished.

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