From owner-cvs-all  Thu Jan 27 13:21: 5 2000
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From: John Baldwin <jhb@FreeBSD.org>
Date: Thu, 27 Jan 2000 13:21:02 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/boot/i386 Makefile src/sys/boot/i386/btx/btxldr
         btxldr.s src/sys/boot/i386/cdldr Makefile cdldr.s
         src/sys/boot/i386/loader Makefile main.c
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jhb         2000/01/27 13:21:02 PST

  Modified files:
    sys/boot/i386        Makefile 
    sys/boot/i386/btx/btxldr btxldr.s 
    sys/boot/i386/loader Makefile main.c 
  Added files:
    sys/boot/i386/cdldr  Makefile cdldr.s 
  Log:
  Add the new cdldr CD bootstrap loader.  This patch includes the following:
  
  - Fix btxldr to preserve a NULL bootinfo pointer when it copies the kernel
    arguments.
  - Add the cdldr bootstrap program.  This program is tacked onto the
    beginning of the standard 3rd stage boot loader (/boot/loader) to form
    the CD boot loader (/boot/cdboot).  When a CD is booted, the cdboot file
    is copied into memory instead and executed.  The cdldr stub emulates the
    environment normally provided by boot2 and then starts the loader.  This
    booting method does not emulate a floppy drive, but boots directly off of
    the CD.  This should fix the problems some BIOS's have with emulating a
    2.88 MB floppy image.
  - Add support to the loader to recognize that it has been booted by cdldr
    instead of boot2 and use a simpler method of extracting the BIOS boot
    device.
  
  Revision  Changes    Path
  1.11      +2 -2      src/sys/boot/i386/Makefile
  1.8       +5 -3      src/sys/boot/i386/btx/btxldr/btxldr.s
  1.38      +8 -2      src/sys/boot/i386/loader/Makefile
  1.17      +10 -3     src/sys/boot/i386/loader/main.c



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