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200 Commits

Author SHA1 Message Date
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
Mike Smith
0cae710c49 Clean the ${BASE}.sym file as well. 1998-10-23 22:32:27 +00:00
Mike Smith
4558ccdf6f Remove a debugging copy of offsetof() that snuck in. 1998-10-23 22:30:52 +00:00
Mike Smith
c93cd32637 Enable the PCI BIOS PnP enumerator. 1998-10-23 22:29:19 +00:00
Mike Smith
a1c0b1c5c5 PnP enumerator using the PCI BIOS. This is needlessly complex due to the 
lack of a simple "enumerate all PCI devices" function.
 1998-10-23 22:29:08 +00:00
Mike Smith
8d35fb65a0 PnP BIOS enumerator; mostly useful for hunting PnP devices that are supported 
by the system BIOS rather than supporting ISA PnP.
 1998-10-22 20:25:06 +00:00
Mike Smith
051837da04 Add a dependancy on the BTX crt0 object 
Add the biospnp handler to the pnp handler array
Drop some old debugging code
 1998-10-22 20:23:58 +00:00
Mike Smith
13aedae3d7 Add biospnp.c 1998-10-22 20:23:15 +00:00
Mike Smith
f41c619d3d Pop the return address off the stack before making a V86_CALLF call; 
this allows us to implement what look like C function calls from user
space "directly" to v86 mode code.  (Used for calling the PnP BIOS)
 1998-10-22 20:22:07 +00:00
Mike Smith
b259863db2 Bye-bye setdefs. 1998-10-21 20:11:03 +00:00
Mike Smith
d8ef941c2f - Enable PnP and ISA PnP code. 
- Use the ISA PnP enumerator.
 - Use the new linker set code, throw out the gensetdefs stuff.
 - Produce an intermediate loader image that has symbols stripped, to aid
 - in debugging.
 - Supply ISA port access functions required for ISA PnP
 1998-10-21 20:10:33 +00:00
Mike Smith
c90625d230 Don't depend on being part of the kernel tree. If we are, use the kernel's 
<machine> includes rather than the system's.
 1998-10-21 20:07:57 +00:00
Robert Nordier
1a8efde980 Make serial port, data format, and bps configurable. 1998-10-20 20:20:48 +00:00
Robert Nordier
4e108bf052 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.
 1998-10-19 19:13:53 +00:00
Robert Nordier
f59f5db544 Set BINMODE to 444. 1998-10-17 14:20:25 +00:00
Robert Nordier
ae99ddc79e Fix some glitches in the input routine: 
Don't display a \b if not acting on it.
Don't process binary zero chars (which result from pressing function
keys, etc. on the PC).
 1998-10-17 11:25:05 +00:00
Robert Nordier
918ddbed16 Having probed the keyboard, turn off the -P flag. 1998-10-17 10:35:15 +00:00
Robert Nordier
93d51dcaf9 Treat all options as toggles (ie. -c -c is the same no -c). Since 
the boot.config settings are persistent, this seems to provide a
useful override capability, and should break only on broken
boot.config's.

Output a cosmetic newline if booting with no input.
 1998-10-17 09:50:09 +00:00
Robert Nordier
3044a22097 biosboot compatibility fix: 
If we have a boot.config command, display it.
 1998-10-17 09:16:01 +00:00
Robert Nordier
7fa25d805a biosboot compatibility fix: 
Read boot.help before parsing boot.config.  We were parsing
boot.config first, which could result in boot.help being read
from a different location (or not found), which would probably
just cause surprise, without being useful.
 1998-10-17 09:01:13 +00:00
Robert Nordier
67ac585edf Fix path to sio.s 1998-10-15 22:08:13 +00:00
Robert Nordier
da55c91100 Add serial, dual, and probe-keyboard support. 1998-10-15 20:04:21 +00:00
Peter Wemm
f03d6f87b3 Get the last used address via a more conservative method, don't depend 
on the module chain being in increasing address order.
 1998-10-15 17:06:36 +00:00
Robert Nordier
898adc1c96 Activate boot2. 1998-10-14 20:40:56 +00:00
Peter Wemm
eb9022e791 Try and get the sys/* and machine/* includes via relative paths. This 
saves having to do a 'make includes' after touching any header file for
the boot code.
 1998-10-14 07:08:16 +00:00
Peter Wemm
2a26e9ea83 Align to sizeof(long) rather than sizeof(int32_t). It needs to be 
long because this code is shared with the alpha.  I hope the alpha can
read 32 bit ints at 32 bit alignment (vs. 64 bit alignment).
 1998-10-14 05:07:23 +00:00
Robert Nordier
ee2e4f9b32 Fix btx include path. 1998-10-14 01:53:56 +00:00
Robert Nordier
59ea046e5d Include <bsd.prog.mk>. Add install target (to /boot for now). 1998-10-14 00:24:16 +00:00
Robert Nordier
757ee5cca9 Fix flow of control after directory listing; enable EDD support; 
cosmetics.
 1998-10-13 23:43:38 +00:00
Robert Nordier
b2848194f5 Make v86.ctl default more explicit; simplify read error-handling; 
twiddle.
 1998-10-13 23:00:47 +00:00
Robert Nordier
c71b9b3c24 Adjust NDEV value. 
Optimize reading of system time.
 1998-10-13 22:17:05 +00:00
Robert Nordier
fd4afc6487 Change to a 15-sector boot2. 
Refine slice-handling.
 1998-10-13 21:35:42 +00:00
Robert Nordier
8f65b6a695 Don't use an absolute path to objcopy. 
Noticed by: Scott Mace <smace@intt.org>
 1998-10-13 18:29:18 +00:00
Robert Nordier
0ad50c1c9d Improve drive recognition and handling. 1998-10-13 17:41:06 +00:00
Robert Nordier
4d8eda2252 New boot blocks: support for /boot/loader; a.out & ELF; cyl > 1023; 
multiple 0xa5 slices; etc.
 1998-10-12 21:16:26 +00:00
Robert Nordier
dfce019974 Drop .MAKEFLAGS: hack. 1998-10-12 02:05:44 +00:00
Robert Nordier
7870a52598 Do without head and tail: they're pretty unnecessary here anyway. 1998-10-12 01:44:15 +00:00
Robert Nordier
36e85d353d Use rather than for linking. This allows the new rather 
than stale version of libstand.a to be found.

After this change, the new boot code is apparently building correctly
in a make world.
 1998-10-12 01:03:00 +00:00
Robert Nordier
1339399694 Override for ELF. 1998-10-11 12:59:40 +00:00
Robert Nordier
10806461a7 Override for ELF. Override .s.o suffix rule. 1998-10-11 11:27:48 +00:00
Peter Wemm
7532a55a62 Fix a warning that's been bugging me for ages. 1998-10-11 10:29:49 +00:00
Peter Wemm
7d9cbdec8f Only call vidc_init() once (unless forced). 
Cosmetic change to the init-time character eater (like, make it increment
the index counter - if there's a problem, it would sit there in an infinite
loop instead of only running 10 times).
 1998-10-11 10:07:52 +00:00
Peter Wemm
a1c1935fa8 Fix comconsole mode. The int 0x14 read and status commands were reversed. 
Also, make sure we set %dx each time around otherwise the commands
suddenly start trying to work on things like com92 instead of com1.
Make sure comc_init() is only run once.
Cosmetic change to init-time character eater.
 1998-10-11 10:05:13 +00:00
Peter Wemm
1206a4f594 Warn that one of the DEBUG statements has a v86 recursion bug. 1998-10-11 10:01:55 +00:00
Peter Wemm
00fe329527 Fix comment to match code 1998-10-11 09:53:30 +00:00
Robert Nordier
0def18d819 Fix a typo. 
Output another newline before invoking bootstrap.
 1998-10-10 14:03:03 +00:00
Robert Nordier
91284f875f Turn off the new /sys/boot stuff (except boot0) unless OBJFORMAT 
is elf.  (The BTX client must be ELF, though it is packaged as a.out
for compatibility.)
 1998-10-09 23:30:16 +00:00
Peter Wemm
7deb2dabef Attempt to at least align MODINFO_* blocks. IMHO, decoding this stuff 
should be MD code since one day we'll have to recover pages from deleted
preload data.  MI code can't be expected to know how to deal with pmap
internals, assuming it gets done via pmap that is. :-)
 1998-10-09 23:24:55 +00:00
Peter Wemm
1d59e49683 Turn symbol table info passing back on, although it's probably not 
particularly useful in this form.  KLD can deal with it much better.
setenv kernelname moved earlier.
 1998-10-09 23:22:30 +00:00
Peter Wemm
f62f10b275 Remove kernelname setenv, the common code does it. 
Use the metadata for symtab pointers, mainly to keep it common with
elf_freebsd.c.
 1998-10-09 23:20:47 +00:00
Robert Nordier
4025ae9d2a Get this building as a.out or ELF. 
With thanks to: jdp
 1998-10-09 17:19:51 +00:00
Mike Smith
cab57be9ae Remove some debugging code. 
Do a much better job of DWIM with partial device specifications.
Fix the module metadata build process, which was completely broken.
Use a larger read buffer when copying large objects in; this
improves performance marginally and will avoid flushning any small caches
we might choose to implement.
 1998-10-09 07:11:19 +00:00
Peter Wemm
e3de88f4ff Fix that pesky boot aguments parsing bug. (I think :-) 1998-10-07 10:55:46 +00:00
Mike Smith
ee4f7b62a0 Request the flags back when checking for keyboard status. 
Submitted by:	rnordier
 1998-10-07 07:34:31 +00:00
Mike Smith
0bab8c3243 Enable the DOS filesystem. NOTE: you will have to rebuild libstand in 
order to be able to build again.
 1998-10-07 02:39:32 +00:00
Mike Smith
0f7d15efd8 - Drain the keyboard buffer when initialising. 
- Be pedantic about the return from int 16 fn 01.
 1998-10-07 02:39:06 +00:00
Mike Smith
afcd516b82 bootinfo.c 
Strip any device name information from the kernel name
	before passing it in.

biosdisk.c
	Be more strict about matching device names to slice entries.
	Only allow unsliced syntax on unsliced disks.
 1998-10-06 07:27:05 +00:00
Robert Nordier
b7b32c2745 Fix for "get base memory" bug found and mostly fixed by Mike. 1998-10-06 07:15:35 +00:00
Mike Smith
024e2ede72 The BIOS memory size is only a word. Some BIOSsen have garbage in the other 
16 bits we were reading here, causing loss of arguments.
 1998-10-06 06:13:36 +00:00
Mike Smith
58d4e8e80f Build boot0 as well. 1998-10-06 06:12:55 +00:00
Robert Nordier
09c7ea1cc8 Install in /boot. 1998-10-05 19:20:36 +00:00