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326 Commits

Author SHA1 Message Date
Ben Gras
b46a51cfd6 Semidefinitive copyright statement. 2005-10-06 09:38:55 +00:00
Jorrit Herder
32c05f45c6 Minor bug fixes in proc.c and utility.c; 
Removed debug dumps on panic from main.c;
Return error on exit when other process does IPC to/from exiting process.
 2005-10-05 09:51:50 +00:00
Ben Gras
71b6f31d4e Let TTY call SYS_ABORT 2005-10-05 08:45:55 +00:00
Ben Gras
afc6721239 Al's comment fixes 2005-10-05 08:21:35 +00:00
Ben Gras
7ca48023af Al's comment bug. 2005-10-04 08:29:44 +00:00
Ben Gras
e32131bb05 Fixed wrong comment. 2005-10-04 08:28:07 +00:00
Ben Gras
15c6f7182b Al's comment fixes 2005-10-02 19:02:05 +00:00
Philip Homburg
9bee3f4b08 IOPL, VM, and serial debug output (disabled). 2005-09-30 12:54:59 +00:00
Ben Gras
b2dd3ff593 New copyright statement. 2005-09-23 22:10:11 +00:00
Ben Gras
1d0852bcd4 Enforce system call bitmask 2005-09-20 12:24:19 +00:00
Ben Gras
5ae6f98dea Andy's formatting fixes. 2005-09-11 16:44:06 +00:00
Ben Gras
c655d8b3ae Added shutdown_started global variable. If it's set, we're in the 
process of doing a shutdown.

Initial purpose is - suppress dead process diagnostic message.
 2005-09-08 14:31:23 +00:00
Ben Gras
769d420b5d No backquotes. 2005-09-07 18:15:21 +00:00
Ben Gras
75781d7c7b 1-second-delayed-shutdown reinstated to fix shutdown mess; possible now due 
to boot monitor cooperation.
 2005-09-07 16:42:31 +00:00
Ben Gras
c79dfb2e41 No newline for this error (dead dest) 2005-09-07 11:20:53 +00:00
Ben Gras
911ff6a873 Formatting fixes for the book 2005-08-29 16:47:18 +00:00
Jorrit Herder
5cb414f4d5 Reverted PH copyright to 1987-2001. 2005-08-23 13:10:12 +00:00
Jorrit Herder
b4d7de6ee1 New makefile (src/tools/Makefile) logic: 
- make fresh install: still builds new everything (libraries, services, image)
- make clean image: only builds new boot image (about 5 sec. now!)
 2005-08-23 12:53:35 +00:00
Jorrit Herder
7bf400a709 *** empty log message *** 2005-08-23 11:31:32 +00:00
Jorrit Herder
10e4e98947 Renamed SM to RS (Reincarnation Server). 2005-08-23 11:28:16 +00:00
Jorrit Herder
5ecb45c346 Improved scheduling: new way to catch infinite loops. 2005-08-23 10:25:01 +00:00
Ben Gras
d11b2e4b8c Al's double-blank-line removal request 2005-08-22 15:23:47 +00:00
Jorrit Herder
872687ddfc Scheduling updates to the kernel. Sched() function now is single point for 
policy. Actual policy not yet implemented.

PM calculates nice values for processes in boot image.

IS debug dumps improved (Shift+F1-F4).
 2005-08-22 15:14:11 +00:00
Jorrit Herder
a01645b788 New scheduling code in kernel. Work in progress. 
Round-robin within one priority queue works fine.
Ageing algorithm to be done.
 2005-08-19 16:43:28 +00:00
Jorrit Herder
2a165d972e Moved "Changes" comments from system/do_....c to system.h. 
All changes are now in a single header file.
 2005-08-10 10:23:55 +00:00
Jorrit Herder
f83ae4b3d1 Minor beautification. 2005-08-10 09:51:29 +00:00
Ben Gras
bfb7608412 various small fixes. 
. motd update (ast)
 . made /usr/local/man/man* and made them bin-owned (mtree)
   (to let bin install there)
 . made copyright notice in kernel 1987-2006 (ast)
 . added chown -R bin /usr/src so that bin can compile everything
 2005-08-08 14:34:10 +00:00
Ben Gras
b293e689a9 . Allow drivers to to physcopy() (table.c) 
. Also allow receive() to be done from kernel processes, not just
  sendrec(). This is because receive()s can't harm the kernel processes,
  but are done from the CLOCK task (without sendrec()).
 2005-08-08 12:18:45 +00:00
Jorrit Herder
941b5ebd1c Fix to device table at FS. 
BIOS and AT installed in /sbin.
Floppy boot fixed.
 2005-08-05 18:57:20 +00:00
Jorrit Herder
1c570a7d93 Second try to fix tick delay problem ... 2005-08-05 17:02:37 +00:00
Jorrit Herder
e396496d8c Fixed small bug in alarm code. 
Kernel timer count was not reset after expiry.
 2005-08-05 16:46:27 +00:00
Jorrit Herder
b96c389e78 Various small cleanups and comments added. 2005-08-05 09:41:15 +00:00
Jorrit Herder
74711a3b14 Check if kernel calls is allowed (from process' call mask) added. Not yet 
enforced. If a call is denied, this will be kprinted. Please report any such
errors, so that I can adjust the mask before returning errors instead of
warnings.

Wrote CMOS driver. All CMOS code from FS has been removed. Currently the
driver only supports get time calls. Set time is left out as an exercise
for the book readers ... startup scripts were updated because the CMOS driver
is needed early on. (IS got same treatment.) Don't forget to run MAKEDEV cmos
in /dev/, otherwise the driver cannot be loaded.
 2005-08-04 19:23:03 +00:00
Jorrit Herder
e561081545 Miscellaneous clean ups and fixes to the kernel. 
Support for FLOPPY in boot image. (Set controller=fd at boot monitor.)
Moved major device numbers to <minix/dmap.h> (maybe rename to dev.h?)
 2005-08-04 09:26:36 +00:00
Jorrit Herder
89cf745fe2 Single boot driver loaded, while multiple can be included in the boot image. 
The user needs to set label=... to choose the driver of his or her choice.
This driver will be mapped onto the controller that is set in controller=...

Minor cleanup of kernel source code (boot image table now is static).
 2005-08-03 16:06:35 +00:00
Jorrit Herder
1ae4d41d0d Without /dev/boot ... 2005-08-03 14:17:28 +00:00
Jorrit Herder
375f6f8754 Miscellaneous cleanups. 2005-08-03 11:53:36 +00:00
Jorrit Herder
1f450f4959 Test .. no update. 2005-08-03 08:15:36 +00:00
Jorrit Herder
b69ca94efb Fixed 'bug' in log driver that caused kernel messages not to be displayed. 
This was caused by a change in the shared driver code. Not log's fault.

Renamed #definitions of driver process numbers, e.g., TTY now is TTY_PROC_NR.
All known (special) processes now have consistent naming scheme. Kernel tasks
don't follow this scheme.
 2005-08-03 08:14:08 +00:00
Jorrit Herder
ab7c0a9926 Cleaned up table. Moved policies to table. 
Small fixes to do_copy, do_privctl and do_fork.
 2005-08-02 15:28:09 +00:00
Jorrit Herder
0946d128cd - Kernel call handlers cleaned up. More strict checking of input parameters. 
- Moved generic_handler() from system.c to system/do_irqctl.c.
- Set privileges of system processes somewhat stricter.
 2005-07-29 15:26:23 +00:00
Jorrit Herder
d62e515660 Small update to SYS_IRQCTL -> setting an interrupt policy now allows the caller 
to provide an index (0 .. 31) that is passed in the HARD_INT message when an
interrupt occurs. The NOTIFY_ARG field contains a bitmap with all indexes for
which an interrupt occured.
 2005-07-29 12:44:42 +00:00
Jorrit Herder
bd8762263a *** empty log message *** 2005-07-29 11:50:58 +00:00
Philip Homburg
49c25df569 bios_wini driver 2005-07-29 10:21:04 +00:00
Jorrit Herder
fe0dcb5c00 AT driver is not modified (debugging only); 
TTY: select and revive with new notify and FS call back;
kernel: removed old notify code; removed ugly prepare_shutdown timer
kputc: don't send to FS if PRINTF_PROC fails
 2005-07-27 14:32:16 +00:00
Ben Gras
31042a5a05 Added SENDREC_BUSY flag to indicate that process is doing sendrec() - 
if so, alerts are not received before reply message.
 2005-07-27 14:08:59 +00:00
Philip Homburg
93fc19de2c The priority of FS should be lower than that of PM to avoid race conditions 
when processes are killed due to a signal.
 2005-07-27 11:48:13 +00:00
Ben Gras
dd1186d65d No RDY_Q_HEAD business.. 2005-07-27 07:01:46 +00:00
Jorrit Herder
30d95cad82 Removed debug output. 2005-07-26 14:54:49 +00:00
Jorrit Herder
a41eb700e8 Minor fixes and improvements for sys_call(). 2005-07-26 13:51:21 +00:00