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160 Commits

Author SHA1 Message Date
Robert Nordier
391911b768 Check size of partition before using it. 1999-01-29 03:36:42 +00:00
Robert Nordier
ab19eb8230 Fix a couple of further bugs: missing argument to sprintf() and 
"==" used for "=".
 1999-01-25 23:07:02 +00:00
Mike Smith
84ef5a8f66 Bleh. Missing 'unit =' doesn't help legacy num_ide_disks code. 
PR:		bin/9651
Submitted by:	"Daniel C. Sobral" <dcs@newsguy.com>
 1999-01-24 06:03:44 +00:00
Mike Smith
1c2587457f Document root_disk_unit 1999-01-24 00:12:17 +00:00
Mike Smith
c679ae39a8 biosdisk.c 
Implement a new variable 'root_disk_unit' which supersedes
	'num_ide_disks' and makes it possible to explicitly set the
	root device unit number regardless of type considerations.

bootinfo.c
	If we can't calculate a dev_t for the root disk, complain and
	don't proceed to boot with an invalid boot device.
 1999-01-24 00:12:04 +00:00
Mike Smith
5d3d992565 Fill in the bi_bios_dev field in the bootinfo struct; the loader doesn't 
guess this value well in anything other than the simplest of situations.
 1999-01-24 00:10:10 +00:00
Robert Nordier
d0a4f5ea63 Fix read error not being detected. 1999-01-22 18:32:52 +00:00
Robert Nordier
d7478bf0df Push version numbers up to 1.00. This is just intended to reflect 
that the BTX code can be regarded as stable: there are no associated
code changes.

Suggested by: obrien
 1999-01-22 13:07:17 +00:00
Mike Smith
378972ac6b Transition from using Perl to using awk for our text-manipulation 
needs.  This removes the dependancy on Perl for the generation of the
loader, allowing the world to be built on a perl-free system.

Submitted by:	Joe Abley <jabley@clear.co.nz>
 1999-01-18 19:05:27 +00:00
Robert Nordier
05c7fdda18 In the event of a disk error, boot2 is expecting an error 
code to be returned: give it one
 1999-01-13 23:30:07 +00:00
Robert Nordier
726c0943c0 Drop boot.help support. 1999-01-11 11:36:03 +00:00
Mike Smith
ba536e2ae8 Preserve the previous loader as loader.old. 
Note no matching commit for the Alpha, as the alpha boot0 stage does
not have the ability to prompt for user input.

PR:		kern/9406
Submitted by:	 "Daniel C. Sobral" <dcs@newsguy.com>
 1999-01-11 05:52:28 +00:00
Mike Smith
f414995e5c Disable kzipping the loader; it seems to be breaking the aout-to-elf build 1999-01-10 20:20:27 +00:00
Steve Price
24d156f499 Remove redundant line of code. 
PR:		9364
Submitted by:	Daniel C. Sobral <dcs@newsguy.com>
 1999-01-10 18:22:23 +00:00
Robert Nordier
c03fa7f977 Use etc/make.conf settings for serial port and speed. 
Submitted by: rvb
Reviewed by: bde
 1999-01-10 14:48:05 +00:00
Peter Wemm
c03b24b2d8 Damn, I thought I had committed this already, but it seems not. 
Move the relocated boot1 and arg transfer space from 0x600/0x800 to
0x700/0x900.  In theory this should make no difference, apart from the fact
that Buslogic controllers happen to use a few bytes at 0x600 for some sort
of scratch space for it's int 0x13 hook (!!!), causing the machine to crash
badly when the boot2 code makes it's callbacks into boot1 for disk IO.

Submitted by:	Robert Nordier <rnordier@freebsd.org>
 1999-01-10 13:29:52 +00:00
Mike Smith
244cf84b1e Explicitly look for kzip in /usr/bin, again this is a stopgap, to avoid 
making kzip a build tool.
 1999-01-09 20:14:46 +00:00
Mike Smith
82bbbb8c73 kzip the loader, this shrinks it to about 60% of its original size. 
Note that this is a stopgap with dependancies on the a.out tools.
 1999-01-09 02:38:40 +00:00
Mike Smith
ee5799c4ee Extend bd_print() so that it displays slices and partitions on disks. 1999-01-09 02:36:19 +00:00
Peter Wemm
e423230b0d Fix a potential sign extension bug on 8-bit chars. 
Outputting a backspace isn't supposed to be destructive..  It isn't on
most terminals, nor on the standard bios output (vs. TERM_EMU mode)
 1999-01-04 18:45:08 +00:00
Mike Smith
170aadf69a Restore dependancy to build loader.help here 1999-01-04 01:28:46 +00:00
Mike Smith
5dfcac87f7 Reenable generation of the loader.help file 1999-01-03 20:50:35 +00:00
Andrzej Bialecki
de37e4a6d2 Add back ability to make beeps when using new TERM_EMU. 
Submitted by:	W Gerald Hicks <wghicks@bellsouth.net>
 1998-12-31 13:44:04 +00:00
Andrzej Bialecki
cf9443f92b Add simple terminal emulator, compatible with cons25. Currently supported 
capabilities are: AF, AB, cm, ho, me, cd. The code is hidden behind
-DTERM_EMU - should it cause any problems, you can remove this define
to get back the old behaviour.

You'll find some examples how to use it in src/share/examples/bootforth.

Reviewed by:	jkh
 1998-12-22 11:51:25 +00:00
Mike Smith
c2e3e002f6 Disable build/install of boot.help until we sort out how to construct it 
in the makeworld environment.
 1998-12-16 02:27:15 +00:00
Mike Smith
8719fada36 Reformat help to improve subtopic display appearance, other minor 
cleaning.  The 'help' command in the loader should now be usable and
hopefully informative.
 1998-12-15 14:32:17 +00:00
Mike Smith
aa203600d5 Build the composite help file from the generic and architecture-specific 
help files, sorting topics and subtopics to allow maximum flexibility.
 1998-12-15 14:21:30 +00:00
Andrey A. Chernov
722135c358 unlocalize date 
Submitted by: Cejka Rudolf <cejkar@dcse.fee.vutbr.cz>
 1998-12-07 16:17:41 +00:00
Robert Nordier
b956ca7ca4 Revise some comments and labels. 1998-12-05 11:58:33 +00:00
Robert Nordier
12c38b04f1 Drop EDD support detection, though retain configurable use of disk 
packet interface.  Add booteasy-style F5 support.  Add no-update
option. Implement various space optimizations and consistency fixes.
 1998-11-29 14:09:00 +00:00
Robert Nordier
5103ed619b Drop use of BIOS int 0x14 services in favor of direct port I/O. 
Feedback and testing: Adrian Filipi-Martin <adrian@ubergeeks.com>
 1998-11-22 07:59:16 +00:00
Mike Smith
8f0a6b5b8c Add a new variable $num_ide_disks which is used to offset the unit number 
for SCSI disks when converting from BIOS unit numbers to da unit numbers.

Prompted by Kevin Street <street@iname.com>
 1998-11-13 23:40:02 +00:00
Jordan K. Hubbard
207fe43d59 bootforth seems to be working well enough for me and others to turn 
on by default.  If it causes trouble, it's very easy to switch off again.
 1998-11-12 07:40:51 +00:00
Robert Nordier
21ffb6774a Revise error messages. 1998-11-11 08:56:17 +00:00
Robert Nordier
0293eac42c Prevent boot.config being parsed more than once. 1998-11-08 18:37:28 +00:00
Robert Nordier
7ac90f7d65 Drop the familiar 'text=xxxx data=xxxx bss=xxxx ...' display while 
loading.  This eliminates noise when loading boot/loader; and when
loading a kernel, they generally flash by too fast to be
intelligible anyway.
 1998-11-08 18:29:29 +00:00
Robert Nordier
9888bdcd29 boot1: Eliminate EDD detection and optional use of disk packet 
interface.  Do some general consistency fixes and space optimizations.
Use of some freed-up space to defend against possible BIOS misfeatures.

boot2: Revise disk read interface to provide for boot1 changes.  Free
up space for this.
 1998-11-08 15:36:35 +00:00
Robert Nordier
548bf5dd17 Make use of BIOS int 0x13 extensions configurable, and disabled 
by default.
 1998-11-05 20:52:25 +00:00
Mike Smith
95bd40d634 Turn off -g accidentally left in from testing. 1998-11-04 03:42:36 +00:00
Jordan K. Hubbard
12b2c0d82e Respect ${.OBJDIR} properly when looking for libficl.a 1998-11-04 02:36:18 +00:00
Mike Smith
48fe834fda Add required parts for BootForth building (currently disabled and 
untested).  Only suitable for i386 at the moment, as we are missing
setjmp/longjmp on the Alpha.
 1998-11-04 00:30:47 +00:00
Mike Smith
af1f6e0673 Implement a simple LRU block cache. By default this is initialised to 16k, 
and will bypass transfers for more than 8k.  Blocks are invalidated after
2 seconds, so removable media should not confuse the cache.

The 8k threshold is a compromise; all UFS transfers performed by
libstand are 8k or less, so large file reads thrash the cache.
However many filesystem metadata operations are also performed using
8k blocks, so using a lower threshold gives poor performance.

Those of you with an eye for cache algorithms are welcome to tell me
how badly this one sucks; you can start with the 'bcachestats' command
which will print the contents of the cache and access statistics.
 1998-11-02 23:28:11 +00:00
Robert Nordier
3d04f230e5 Revise a few comments. 1998-11-02 17:53:08 +00:00
Robert Nordier
3b1bd5ae35 Ignore, rather than emulate, an i386 'hlt' instruction (though for 
most practical purposes, this should be indistinguishable from a
more strictly correct approach).

Feedback and testing: msmith
 1998-11-01 13:52:52 +00:00
Mike Smith
dc8be6a8f5 - Add a new command 'lsdev' to list devices which might be likely to host 
filesystems.
 - New 'help' command and data in the help.* files (not yet installed),
   provides topic and subtopic help, indexes, etc.
 - Don't crash if the user tries to set an invalid console.  Be helpful
   instead.
 - Expand tabs (badly) on the i386 video console.
 - Some minor cosmetic changes.
 1998-10-31 02:53:12 +00:00
Luoqi Chen
36159e3d1e Fix an uninitialized variable in the `dangerously dedicated disk' case. 1998-10-30 07:15:52 +00:00
Mike Smith
4c1a7a5a8f Make the BTX loader much more quiet about what it's doing. This removes 
most of the "what the (*^&%(*^ was that?" stuff that normally flies by.
 1998-10-30 00:11:35 +00:00
Mike Smith
8879e57b3e Simplify the "is a character ready" test, so that we don't return a false 
negative for keypresses with zero ascii values.  This is in line with the
comconsole test, rather than being more ambitious.

Submitted by:	rnordier
 1998-10-28 19:24:15 +00:00
Robert Nordier
9244e1a412 Avoid interruptions while talking to keyboard controller. 1998-10-27 20:19:24 +00:00
Robert Nordier
c589107988 biosboot compatibility fix: change behavior of backspace in getstr(). 
Noticed by: abial

Optimize away a few bytes to make space for the above.
 1998-10-27 20:16:36 +00:00