cvs commit: src/sys/boot/i386/cdboot cdboot.s

[John Baldwin]

jhb         2004/01/12 12:34:42 PST

  FreeBSD src repository

  Modified files:
    sys/boot/i386/cdboot cdboot.s 
  Log:
  - Use constant for shift when converting file length in bytes to a sector
    count.
  - Fix the twiddle output so that it actually spins.
  - Save %cx around BIOS calls to read in sectors from the disc as at least
    one BIOS trashes %cx when called to read off of a USB CD-ROM drive.
  
  Submitted by:   Martin Nilsson <martin at gneto.com>
  MFC after:      1 week
  
  Revision  Changes    Path
  1.11      +5 -2      src/sys/boot/i386/cdboot/cdboot.s