Forward port new boot menu features from bochs bios.

Support boot menu during last stage of post.
Improve description of option roms.
Support printf of "%.s" to force printing strings on stack.
Enhance memcpy so that it also works in real-mode.
9 files changed
tree: 1b861afb2b61f9cc02580161c15da77af38a3397
  1. .gitignore
  2. COPYING
  3. Makefile
  4. README
  5. TODO
  6. src/
  7. tools/