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Merged
Created Feb 06, 2021 by Jeffrey Lee@jleeDeveloper

Preparation for long descriptor page table support

  • Overview 4
  • Commits 8
  • Changes 11

This is a selection of commits from !15 (closed), getting the kernel ready for the addition of long descriptor page table support.

Mostly this focuses on moving some code around (most low-level page table manipulation is now in the new file s/ShortDesc), and refactoring other code to reduce the number of places where page tables are accessed directly (use subroutines instead, like logical_to_physical). It's probably best to review each commit in turn to avoid confusion.

From OS/software point of view the kernel should look and function exactly the same as before.

Each individual commit builds for IOMD, Tungsten, and a random ARMv6+ target.

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Source branch: LongDescPrep