[Bug 155441] [loader] [patch] Firewire support in loader is broken

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=155441

--- Comment #6 from commit-hook at freebsd.org ---
A commit references this bug:

Author: kevans
Date: Sun Apr 21 03:36:07 UTC 2019
New revision: 346476
URL: https://svnweb.freebsd.org/changeset/base/346476

Log:
  MFC r341253, r341328, r342619, r342626, r342707, r342785, r342865

  r341253:
  The libstand's panic() appends its own '\n' to the message, so that users of
the API
  don't need to supply one.

  r341328:
  loader: create separate lists for fd, cd and hd, merge bioscd with biosdisk

  Create unified block IO implementation in BIOS version, like it is done in
UEFI
  side. Implement fd, disk and cd device lists, this will split floppy devices
  from disks and will allow us to have consistent, predictable device naming
  (modulo BIOS issues).

  r342619:
  loader: create bio_alloc and bio_free for bios bounce buffer

  We do have 16KB buffer space defined in pxe.c, move it to bio.c and implement
  bio_alloc()/bio_free() interface to make it possible to use this space for
  other BIOS calls (notably, from biosdisk.c).

  r342626:
  Add Copyright.

  r342707:
  i386_parsedev() needs to support fd devices

  r342785:
  With buggy int13 ah=15, we can mis-identify the floppy devices.

  We have no option than trust INT13 ah=08 return code during the init phase.

  r342865:
  biospci_write_config args were backwards

  biospci_write_config args swapped length and value to write. Some
  hardware coped just fine, while other hardware had issues.

  PR: 155441, 234460

Changes:
_U  stable/11/
  stable/11/stand/common/interp_forth.c
  stable/11/stand/i386/libfirewire/firewire.c
  stable/11/stand/i386/libi386/Makefile
  stable/11/stand/i386/libi386/bio.c
  stable/11/stand/i386/libi386/bioscd.c
  stable/11/stand/i386/libi386/biosdisk.c
  stable/11/stand/i386/libi386/bootinfo32.c
  stable/11/stand/i386/libi386/devicename.c
  stable/11/stand/i386/libi386/libi386.h
  stable/11/stand/i386/libi386/pxe.c
  stable/11/stand/i386/loader/chain.c
  stable/11/stand/i386/loader/conf.c
  stable/11/stand/i386/loader/main.c
  stable/11/stand/libsa/arp.c
  stable/11/stand/libsa/assert.c
  stable/11/stand/libsa/bzipfs.c
  stable/11/stand/libsa/netif.c
  stable/11/stand/libsa/sbrk.c
  stable/11/stand/uboot/lib/copy.c
  stable/11/stand/uboot/lib/net.c

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