89b50f6b4d
Fix EFI boot support when presented with multiple valid boot partitions across multiple devices. It now prefers to boot from partitions that are present on the underlying device that the boot1 image was loaded from. This means that it will boot from the partitions on device the user chose from EFI boot menu in preference to those on other devices. Also fixed is the recovery from a failed attempt to boot, from a seemingly valid partition, by continuing to trying all other available partitions no matter what the error. boot1 now use * to signify a partition what was accepted from the preferred device and + otherwise. Finally some error messages where improved and DPRINTF's with slowed boot to aid debugging. ZFS will still be preferred over UFS when both are available on the boot device. Reviewed by: imp MFC after: 1 week Sponsored by: Multiplay Differential Revision: https://reviews.freebsd.org/D5108
/* $FreeBSD$ */ /*- Files in this directory and subdirectories are subject to the following copyright unless superceded or supplemented by additional specific license terms found in the file headers of individual files. Copyright (c) 1998-2000 Intel Corporation Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. THE EFI SPECIFICATION AND ALL OTHER INFORMATION ON THIS WEB SITE ARE PROVIDED "AS IS" WITH NO WARRANTIES, AND ARE SUBJECT TO CHANGE WITHOUT NOTICE. */