mptable and madt irq override

Implement irq override support for timer interrupts. This matches what
QEMU+BOCHS has been doing for the latest 8 months, and is also what
real hardware does.

Windows expects this according to Beth Kon.

Based on patch by Jes Sorensen <jes@sgi.com>
3 files changed
tree: e787e865b32c8de898bfc90260681dc07b37a0b3
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. TODO
  7. src/
  8. tools/
  9. vgasrc/