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272461 |
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02-Oct-2014 |
gjb |
Copy stable/10@r272459 to releng/10.1 as part of the 10.1-RELEASE process.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation |
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256281 |
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10-Oct-2013 |
gjb |
Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation
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232263 |
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28-Feb-2012 |
dim |
Define several extra macros in bsd.sys.mk and sys/conf/kern.pre.mk, to get rid of testing explicitly for clang (using ${CC:T:Mclang}) in individual Makefiles.
Instead, use the following extra macros, for use with clang: - NO_WERROR.clang (disables -Werror) - NO_WCAST_ALIGN.clang (disables -Wcast-align) - NO_WFORMAT.clang (disables -Wformat and friends) - CLANG_NO_IAS (disables integrated assembler) - CLANG_OPT_SMALL (adds flags for extra small size optimizations)
As a side effect, this enables setting CC/CXX/CPP in src.conf instead of make.conf! For clang, use the following:
CC=clang CXX=clang++ CPP=clang-cpp
MFC after: 2 weeks
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218893 |
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20-Feb-2011 |
dim |
Upgrade our copy of llvm/clang to r126079, from upstream's trunk.
This contains many improvements, primarily better C++ support, an integrated assembler for x86 and support for -pg.
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208789 |
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03-Jun-2010 |
ed |
Use -Wl,-N instead of the undocumented -N option for GCC.
GCC forwards the -N flag directly to ld. This flag is not documented and not supported by (for example) Clang. Just use -Wl,-N.
Submitted by: Pawel Worach
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186598 |
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30-Dec-2008 |
luigi |
A number of small changes to make the 'save choice to disk' safer, and re-enable it as default.
In particular:
+ re-enable the 'update' flag in the Makefile (of course!);
+ commit Warner's patch "orb $NOUPDATE,_FLAGS(%bp)" to avoid writing to disk in case of a timeout/default choice;
+ fix an off-by-one count in the partition scan code that would print the wrong name for unknown partitions;
+ unconditionally change the boot prompt to 'Boot:' instead of 'Default:' to make room for the extra code/checks/messages. Some of the changes listed below are also made to save space;
+ rearrange and fix comments for known partition types. Right now we explicitly recognise *BSD, Linux, FAT16 (type 6, used on many USB keys), NTFS (type 7), FAT32 (type 11). Depending on other options we also recognise Extended (type 5), FAT12 (type 1) and FAT16 < 32MB (type 4).
+ Add an entry "F6 PXE" when the code is built with -DPXE (which is a default now). Technically, F6 boots through INT18, so the prompt 'PXE' is a bit misleading. Unfortunately the name INT18 is too long and does not fit in - we could use ROM perhaps. The reason I picked 'PXE' is that on many (I believe) new systems INT18 calls PXE.
Apart from the choice of the name for PXE/ROM/INT18, this should close pending issues on the 1-sector boot0 code and we should be able to move the code to RELENG_7 when it reopens.
No boot0cfg changes are necessary.
MFC after: 3 weeks
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185579 |
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03-Dec-2008 |
luigi |
Another, hopefully final set of changes to boot0 and boot0cfg.
boot0.S changes:
+ import a patch from Christoph Mallon to rearrange the various print functions and save another couple of bytes;
+ implement the suggestion in PR 70531 to enable booting from any valid partition because even the extended partitions that were previously in our kill list may contain a valid boot loader. This simplifies the code and saves some bytes;
+ followwing up PR 127764, implement conditional code to preserve the 'Volume ID' which might be used by other OS (NT, XP, Vista) and is located at offset 0x1b8. This requires a relocation of the parameter block within the boot sector -- there is no other possible workaround. To address this, boot0cfg has been updated to handle both versions of the boot code;
+ slightly rearrange the strings printed in the menus to make the code buildable with all options. Given the tight memory budget, this means that with certain options we need to shrink or remove certain labels.
and especially:
make -DVOLUME_LABEL -DPXE the default options.
This means that the newly built boot0 block will preserve the Volume ID, and has the (hidden) option F6 to boot from INT18/PXE. I think the extra functionality is well worth the change.
The most visible difference here is that the 'Default: ' string now becomes 'Boot: ' (it can be reverted to the old value but then we need to nuke 1/2 partition name or entries to make up for the extra room).
boot0cfg changes:
+ modify the code to recognise the new boot0 structure (with the relocated options block to make room for the Volume id).
+ add two options, '-i xxxx-xxxx' to set the volume ID, -e c to modify the character printed in case of bad input
PR: 127764 70531 Submitted by: Christoph Mallon (portions) MFC after: 4 weeks
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185562 |
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02-Dec-2008 |
luigi |
This commits brings in a lot of documentation and some enhancement of the boot0.S code, with a number of compile-time selectable options, the most interesting one being the ability to select PXE booting.
The code is completely compatible with the previous one, and with the boot0cfg program. Even the actual code is largely unmodified, with only minor rearrangements or fixes to make room for the new features.
The behaviour of the standard build differs from the previous version in the following, minor things:
+ 'noupdate' is the default, which means the code does not write back the selection to disk. You can enable the feature at runtime with boot0cfg, or changing the flags in the Makefile.
+ a drive number of 0x00 (floppy, or USB in floppy emulation) is now accepted as valid. Previously, it was overridden with 0x80, meaning that the partition table coming from the media was used to access sectors on a possibly different media. You can revert to the previous mode building with -DCHECK_DRIVE, and you can always use the 'setdrv' option in boot0cfg
+ certain FAT or NTFS partitions are listed as WIN instead of DOS.
+ the 'bel' character on a bad selection is replaced by a '#' to make it clear that the system is not hang even if the machine does not have a speaker. This can be reverted back at compile time, or at runtime with an upcoming boot0cfg option.
Additional features are available as compile time options, and may be become the default if deemed useful. In particular:
+ INT18/PXE boot (make -DPXE) This option enables booting through INT 18h (which on certain BIOSes can be hooked to PXE) by pressing F6. There is unfortunately no room to print the additional menu option. Also, to make room for the code, the 'Default: ' string is changed to 'Boot: '
+ print current drive number (make -DTEST) Prints a line indicating the current drive number. This is useful to figure out what is going on for machines/bioses which remap drives in sometimes surprising ways.
+ disable numeric keys in console mode (make -DONLY_F_KEYS) Not really a significant option, but it is needed to make room for the -DTEST mode.
+ disable floppy support (make -DCHECK_DRIVE) Revert to the old behaviour of only accepting 0x80 and above as valid drive numbers.
MFC after: 6 weeks
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#
145515 |
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25-Apr-2005 |
ru |
Allow BOOT_BOOT0_COMCONSOLE_SPEED to be derived from BOOT_COMCONSOLE_SPEED at compile time.
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#
139103 |
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21-Dec-2004 |
ru |
Start the dreaded NOFOO -> NO_FOO conversion.
OK'ed by: core
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#
134357 |
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26-Aug-2004 |
obrien |
In conjunction with having boot0cfg(8) default boot0 to packet mode.
Submitted by: Tor.Egge@cvsup.no.freebsd.org
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#
128725 |
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28-Apr-2004 |
ru |
Thanks to David's patches, we can now simplify these makefiles further, and just use PROG directly (without FILES).
Suggested by: bde
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128722 |
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28-Apr-2004 |
ru |
- Properly merge boot0sio.s and boot0.s into boot0.S. boot0sio.s was repo-copied to boot0.S.
- Rename boot0ext.s to boot0ext.S, to stay consistent with other preprocessed asm files around here, and for better portability.
Repocopied by: joe
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128718 |
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28-Apr-2004 |
ru |
Temporary precaution measure until repocopy requests are processed: don't forget to clean generated .s sources.
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#
128691 |
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27-Apr-2004 |
phk |
Change from '#' to "//" comment character to allow CPP preprocessing.
Merge boot0.s and boot0sio.s into boot0_512.s controlled by "#ifdef SIO".
Add Makefile magic to generate boot0.s and boot0sio.s from boot0_512.s.
The compile boot0 and boot0sio have unchanged MD5 checksums.
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128651 |
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25-Apr-2004 |
obrien |
Use a more compact syntax for passing the "binary" options to 'ld'.
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#
128649 |
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25-Apr-2004 |
obrien |
Simplify the building of our i386 'binary' boot components by directly producing them using 'ld' options rather than post-processing with 'objcopy'.
Idea by: Ryan Sommers <ryans@gamersimpact.com>
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125621 |
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09-Feb-2004 |
ru |
- Factor out -nostdlib to an upper level Makefile.inc.
- Now that bsd.prog.mk deals with programs linked with -nostdlib better, and has a notion of an "internal" program, use PROG where possible. This has a good impact on the contents of .depend files and causes programs to be linked with cc(1).
XXX: boot2 couldn't be converted as it's actually two programs.
Tested on: i386, amd64
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125537 |
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06-Feb-2004 |
ru |
First round of cleanups to sys/boot/ makefiles:
- do not use PROG for what's not a real C program, - use sys.mk transformation rules where possible, - only create the "machine" symlink on AMD64, - removed MAINTAINER lines in individual makefiles, - added the LIBSTAND defitinion to <bsd.libnames.mk>, - somewhat better contents in .depend files.
Tested on: i386, amd64 Prodded by: bde
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125517 |
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06-Feb-2004 |
ru |
Inherit BINDIR from a parent Makefile.inc.
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124179 |
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06-Jan-2004 |
obrien |
Allow one to specify the com port settings for boot0sio.
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#
123302 |
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08-Dec-2003 |
obrien |
Hook boot0sio to the build. Use 'boot0cfg -b /boot/boot0sio' to use.
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#
123301 |
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08-Dec-2003 |
bms |
Add a serial console capable version of the FreeBSD boot manager. This has been lying around my tree(s) for the past year or so. It could do with TLC.
Requested by: obrien Sponsored by: Weyland-Yutani Corporation
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103436 |
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16-Sep-2002 |
peter |
Initiate deorbit burn for the i386-only a.out related support. Moves are under way to move the remnants of the a.out toolchain to ports. As the comment in src/Makefile said, this stuff is deprecated and one should not expect this to remain beyond 4.0-REL. It has already lasted WAY beyond that.
Notable exceptions: gcc - I have not touched the a.out generation stuff there. ldd/ldconfig - still have some code to interface with a.out rtld. old as/ld/etc - I have not removed these yet, pending their move to ports. some includes - necessary for ldd/ldconfig for now.
Tested on: i386 (extensively), alpha
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89240 |
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10-Jan-2002 |
jhb |
Unrevert revision 1.12. Revision 1.14 backed this out saying it was backing out the 1024 sector boot0, but revision 1.12 had nothing to do with that. Instead, it documented various compile time options for boot0 and allowed them to be overridden via make.conf or options on the make command line.
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80084 |
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21-Jul-2001 |
rnordier |
Unset MAINTAINER.
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66556 |
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02-Oct-2000 |
rnordier |
Go back to occupying just a single sector, reverting r1.17 - r1.20. Taking over the sector following the MBR causes problems on some machines, and the actual gains are fairly small in terms of how the space is presently used.
Since we need a number of further features (eg. handling extended partitions) that can't be readily accommodated in the basic boot0 design anyway, rather choose to implement the additional stuff separately and concentrate on compatibility rather than features here.
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66555 |
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02-Oct-2000 |
rnordier |
Set MAINTAINER.
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64189 |
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03-Aug-2000 |
jhb |
Forced commit to note that actually, the last commit to this file was not warning fixes, but rather it made pre-existing compile-time knobs tweakable via make variables. It also documented the options.
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64187 |
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03-Aug-2000 |
jhb |
Cleanup warnings. Most of these are signed/unsigned warnings, as well as some added const's.
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#
63032 |
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12-Jul-2000 |
jhb |
The new and improved boot0, v1.1. This version adds the following: - Autodetection and support of the BIOS EDD extensions to work around the 1024 cylinder limit on all but really ancient BIOS's. - To work around some BIOS's which break when EDD is used with older drives, we only attempt to use EDD if the cylinder is > 1023. - Since this new code required more space than we had left, expand boot0 to 2 sectors (1024 bytes) in length. - Add support for boot0 being multiple sectors using predefined constants. If boot0 needs to be extended in the future, all that is required is bumping the NUM_SECTORS constant. - Now that we have more room to work with, add a few more fs type descriptions while making others more verbose.
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#
60821 |
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23-May-2000 |
jhb |
Clean up all of the 16-bit assembly code in the x86 bootstrap to work with the new binutils. Now that we have a decent assembler, all the old m4 macros are no longer needed. Instead, straight assembly can be used since as(1) now understands 16-bit addressing, branches, etc. Also, several bugs have been fixed in as(1), allowing boot0.s to be further cleaned up.
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#
50477 |
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27-Aug-1999 |
peter |
$Id$ -> $FreeBSD$
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#
48037 |
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19-Jun-1999 |
rnordier |
Provide for enabling/disabling each slice individually.
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#
40524 |
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19-Oct-1998 |
rnordier |
Make configurable (a) whether to use int 0x13 extensions; (b) timeout value. Ignore failure to update mbr sector. Disable interrupts while using extended registers. Default to F1 not F2.
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40493 |
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17-Oct-1998 |
rnordier |
Set BINMODE to 444.
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40308 |
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13-Oct-1998 |
rnordier |
Don't use an absolute path to objcopy. Noticed by: Scott Mace <smace@intt.org>
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40124 |
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09-Oct-1998 |
rnordier |
Get this building as a.out or ELF.
With thanks to: jdp
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#
39980 |
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05-Oct-1998 |
rnordier |
Install in /boot.
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39974 |
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05-Oct-1998 |
rnordier |
This commit was generated by cvs2svn to compensate for changes in r39973, which included commits to RCS files with non-trunk default branches.
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39973 |
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05-Oct-1998 |
rnordier |
boot0 is a booteasy (boot manager) workalike with EDD support.
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