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freebsd-dev/sys/boot/i386
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Toomas Soome 769bad9f8a Add chain loader support for loader 
Implement simple chain loader in loader; this update does add chain command,
taking device or file as argument to load and start new boot loader.

In case of BIOS, the chain will read the boot block to address 0000:7c00 and
jumps on it. In case of UEFI, the chain command is to be used with efi
application, typically stored in EFI System Partition.

The update also does add simple menu entry, if the variable chain_disk is set.
The value of the variable chain_disk is used as argument for chain loading.

Relnotes:	yes
Differential Revision:	https://reviews.freebsd.org/D5992
2017-06-16 20:08:44 +00:00
..
boot0 Don't use -N to set the OMAGIC with data and text writeable and data 2016-09-03 15:26:28 +00:00
boot0sio META_MODE: Remove DEP_MACHINE from Makefile.depend files. 2015-09-25 19:44:01 +00:00
boot2 xfsread inlined uses more space, so remove the inline tag. This 2017-03-29 18:35:20 +00:00
btx loader: disk io should not use alloca() 2017-02-06 18:44:15 +00:00
cdboot cdboot: add explict suffix to ambiguous or instruction 2016-12-28 23:02:01 +00:00
common loader: zfs reader should check all labels 2017-04-06 18:17:29 +00:00
gptboot Implement boot-time encryption key passing (keybuf) 2017-04-01 05:05:22 +00:00
gptzfsboot Use NO_WCAST_ALIGN instead of spelling it out as -Wno-cast-align in CFLAGS 2017-03-28 20:30:33 +00:00
kgzldr META MODE: Update dependencies with 'the-lot' and add missing directories. 2015-12-01 05:23:19 +00:00
libfirewire dosfs support in libstand is broken since r298230 2016-12-30 19:06:29 +00:00
libi386 Add chain loader support for loader 2017-06-16 20:08:44 +00:00
loader Add chain loader support for loader 2017-06-16 20:08:44 +00:00
mbr Don't use -N to set the OMAGIC with data and text writeable and data 2016-09-03 15:26:28 +00:00
pmbr Don't use -N to set the OMAGIC with data and text writeable and data 2016-09-03 15:26:28 +00:00
pxeldr Followup on the user-class changes 2017-05-28 18:31:13 +00:00
zfsboot zfsboot: drvsize() may be unusable on some systems 2017-05-04 05:26:37 +00:00
zfsloader DIRDEPS_BUILD: Update dependencies. 2017-05-09 01:48:23 +00:00
boot.ldscript Don't use -N to set the OMAGIC with data and text writeable and data 2016-09-03 15:26:28 +00:00
Makefile Restore kgzldr on i386 only 2016-02-08 16:59:52 +00:00
Makefile.inc Back out the move to the loader script from -N. This should fix the 2016-10-26 05:26:58 +00:00