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859 Commits

Author SHA1 Message Date
msmith
488523664e 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
rnordier
6edc8726f9 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
rnordier
192bb84877 Drop boot.help support. 1999-01-11 11:36:03 +00:00
msmith
527d380042 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
msmith
ea810b3ebb Disable kzipping the loader; it seems to be breaking the aout-to-elf build 1999-01-10 20:20:27 +00:00
steve
01f82cbb96 Remove redundant line of code. 
PR:		9364
Submitted by:	Daniel C. Sobral <dcs@newsguy.com>
 1999-01-10 18:22:23 +00:00
rnordier
7f3d245232 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
6f74dc01b4 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
msmith
48d88654f8 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
msmith
dc29b5609b 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
msmith
6ed8cbf467 Extend bd_print() so that it displays slices and partitions on disks. 1999-01-09 02:36:19 +00:00
peter
46c636cd84 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
msmith
18c1130833 Restore dependancy to build loader.help here 1999-01-04 01:28:46 +00:00
msmith
a344fa1d6d Reenable generation of the loader.help file 1999-01-03 20:50:35 +00:00
abial
b3642b0f23 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
abial
75069f671c 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
msmith
fca47ff171 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
msmith
8b77bf750a 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
msmith
98e8c7d522 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
ache
c46111d079 unlocalize date 
Submitted by: Cejka Rudolf <cejkar@dcse.fee.vutbr.cz>
 1998-12-07 16:17:41 +00:00
rnordier
e625ce3562 Revise some comments and labels. 1998-12-05 11:58:33 +00:00
rnordier
3b5f1e1ac9 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
rnordier
2b7d69a8df 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
msmith
20e409b11b 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
jkh
c6de7d3383 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
rnordier
225b2f2541 Revise error messages. 1998-11-11 08:56:17 +00:00
rnordier
66796bdb7f Prevent boot.config being parsed more than once. 1998-11-08 18:37:28 +00:00
rnordier
b8cddca3cd 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
rnordier
040db5b721 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
rnordier
b975f40fac Make use of BIOS int 0x13 extensions configurable, and disabled 
by default.
 1998-11-05 20:52:25 +00:00
msmith
41affade8b Turn off -g accidentally left in from testing. 1998-11-04 03:42:36 +00:00
jkh
0f99bfc6c0 Respect ${.OBJDIR} properly when looking for libficl.a 1998-11-04 02:36:18 +00:00
msmith
8c52bcabbc 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
msmith
7ff854a690 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
rnordier
459dfe3332 Revise a few comments. 1998-11-02 17:53:08 +00:00
rnordier
19bbd56b97 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
msmith
27a325f105 - 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
d53d7e4461 Fix an uninitialized variable in the `dangerously dedicated disk' case. 1998-10-30 07:15:52 +00:00
msmith
b7cb0214c9 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
msmith
45c6ebc96d 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
rnordier
25598ad6e0 Avoid interruptions while talking to keyboard controller. 1998-10-27 20:19:24 +00:00
rnordier
b845950ce7 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
msmith
2ca24369c0 Clean the ${BASE}.sym file as well. 1998-10-23 22:32:27 +00:00
msmith
15fb469d2d Remove a debugging copy of offsetof() that snuck in. 1998-10-23 22:30:52 +00:00
msmith
0fc1f23a6a Enable the PCI BIOS PnP enumerator. 1998-10-23 22:29:19 +00:00
msmith
186b62dab2 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
msmith
6149131893 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
msmith
2cb346f288 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
msmith
0d28177be8 Add biospnp.c 1998-10-22 20:23:15 +00:00
msmith
472b37dea8 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