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10842 Commits

Author SHA1 Message Date
mycroft 915336b97c Approximate the divide by multiplying by 3433/4096. This is faster than 
the previous code, and more accurate.  Also avoid saving and restoring
registers.
(The multiplication algorithm was generated by GCC.)
 1994-11-06 20:33:35 +00:00
mycroft ddb6e42460 Actually, don't bother checking p == 0 at all. 1994-11-06 20:30:09 +00:00
mycroft 5cf38ebdb4 The case of curproc == 0 `can't happen' unless we're in the idle loop, so 
allow it to panic by way of a reference to 0 in other cases.  Explicitly test
for p == 0 in the specific cases where it's needed, and only calculate pcb if
needed.
 1994-11-06 20:28:57 +00:00
mycroft 9a84611b06 Move the spl0() from the idle loop to the top of cpu_switch(). (This also 
avoids needing to call spllower() below.)  Set curproc immediately after
removing the new process for the run queue, before allowing interrupts again,
for the benefit of schedcpu().
 1994-11-06 20:21:29 +00:00
mycroft 205d425f2f As pointed out by Bruce, splsoftclock() needs to process pending interrupts 
when lowering the priority.  Do this by simply calling splx().  For the
benefit of NFS (for now), modify splx() to return a value so that
splsoftclock() does.  This work is optimized out for every use of splx()
that ignores the value, so it only affects relevant code.
Also, clean up this file a little.
 1994-11-06 01:37:47 +00:00
deraadt 4cd7c0f34e reset scsi bus at attach time 1994-11-05 09:35:54 +00:00
deraadt 880176b15b proc0.p_addr must be initialized before we can take a probe trap, so 
that the pcb_onfault will be work
 1994-11-05 09:31:05 +00:00
deraadt 0d4b376377 only print the vec if needed 1994-11-05 09:28:06 +00:00
mycroft c2191a2ad0 Fully prototype ssdtosd() and sdtossd(). 1994-11-05 03:20:36 +00:00
mycroft 34c4570d61 Only use ssdtosd() when creating, expanding, or copying the LDT. Keep a copy 
of the result in the PCB so it can be loaded quickly on context switches.
 1994-11-05 03:17:33 +00:00
mycroft 867ac5e15f Add sdtossd() by HOSOKAWA Tatsumi, and a C version of ssdtosd() by me. 1994-11-05 02:47:02 +00:00
mycroft 600aa2c5f8 Trivial optimizations. Also, make sure we get the overflow correct if 
called at spl >= clock.
 1994-11-05 02:16:26 +00:00
mycroft 2a9b6f7959 Fix stupid bug in last change. 1994-11-04 23:30:15 +00:00
mycroft 4ec6774e12 Add a simplified version of wdcommand() that can be used in some cases. 
Avoid needing a wd_softc inside wdprobe().
 1994-11-04 23:18:06 +00:00
mycroft 38420d7db1 Don't need cd_indirect. 1994-11-04 22:51:59 +00:00
mycroft 3df6bf0c0e Trivial stylistic changes. 1994-11-04 21:32:23 +00:00
mycroft 098c6e36e6 Various cleanup. In particular, be much more careful with buffer flags. 1994-11-04 21:19:48 +00:00
mycroft e11ffbc64b Fix a call to math_abort(). 1994-11-04 20:47:07 +00:00
mycroft 854d8d96dc Rearrange slightly. 1994-11-04 19:25:34 +00:00
mycroft cfc4633919 Remove outdated comment. 1994-11-04 19:17:47 +00:00
mycroft 1ec8f8d19c Make IRQ_SLAVE a plain number, too, and remove IRQ{0-15}. 1994-11-04 19:13:49 +00:00
mycroft 95f0ee6cd5 Remove icu.h. 1994-11-04 19:11:13 +00:00
mycroft 2252d31c99 Remove use of IRQ0. 1994-11-04 19:10:46 +00:00
mycroft 8d01374523 Don't need icu.h any more. 1994-11-04 19:08:19 +00:00
mycroft b7acf321cd No longer needs icu.h. 1994-11-04 18:59:34 +00:00
mycroft 195574a7de Change all of the uses of IRQ{0-15} and bit masks to use plain numbers 
rather than bit shifting.
 1994-11-04 18:57:15 +00:00
mycroft d66f8d7cdb Clean up deleted files. 1994-11-04 18:54:43 +00:00
mycroft 29414c5a0a Change all of the uses of IRQ{0-15} and bit masks to use plain numbers 
rather than bit shifting.
 1994-11-04 18:34:50 +00:00
jtc 6cd3ad1d11 ulimit builtin (PR #388) 
This public domain code, originally by Doug Gwyn, Doug Kingston, Eric
Gisin, and Michael Rendell was ripped from pdksh 5.0.8 and hacked for
use with ash.
 1994-11-04 17:13:27 +00:00
briggs bf98208622 Actually pass all the arguments to amd that we meant to. Reported by 
Dave Leonard (D.Leonard@pleiades.newcastle.edu.au).
 1994-11-04 13:27:32 +00:00
cgd 6d9009aacb bugs don't get any dumber than this. 1994-11-04 09:59:07 +00:00
mycroft 0ba30791b5 Remove references to isa_devtab. 1994-11-04 09:57:52 +00:00
mycroft f8183b2d0e Make a wrapper match function to check the bus and device numbers, rather 
than insisting that every driver do it.
 1994-11-04 09:42:18 +00:00
mycroft 9af4fee97d Use kvtop() rather than address arithmetic in a couple of places. 1994-11-04 08:55:53 +00:00
mycroft a980084e46 EISA devices have no DRQ. 1994-11-04 08:24:25 +00:00
mycroft b12de59a0a Make this work with new config code. 1994-11-04 07:39:19 +00:00
mycroft 494ac4a412 Comment out one option that doesn't quite work at the moment. 1994-11-04 07:36:44 +00:00
mycroft d9b8813f0e Correct pcprobe() argument list. 1994-11-04 07:30:51 +00:00
mycroft 372fb664e9 Add needs-flag to audio device. 1994-11-04 07:26:49 +00:00
mycroft 1948fcb3fa Add a new function config_scan(), which just calls a particular function 
with each plausibly cfdata, ignoring the priority mechanism completely.
 1994-11-04 06:40:11 +00:00
mycroft 2e8ae560f6 Commit incest with the config system for this one specific case. 1994-11-04 03:57:32 +00:00
mycroft 9fdc2ecb99 Export struct matchinfo and mapply(). 1994-11-04 03:12:20 +00:00
mycroft 52a27c59d6 Calculate indirectness earlier, and stor it in the struct matchinfo. 1994-11-04 03:07:17 +00:00
mycroft fa769b0e97 Set ia_irq correctly. 1994-11-04 02:55:32 +00:00
mycroft e43f08ff4c Add `newvers' target. 1994-11-04 01:22:26 +00:00
mycroft df97a5a224 Oops; don't always include EISA and PCI autoconfig. 1994-11-04 01:08:12 +00:00
mycroft b65100aa43 Remove ep0. 1994-11-04 01:03:35 +00:00
mycroft 10c353cf10 Update to match autoconfig code. 1994-11-04 01:02:40 +00:00
mycroft 8f064215a2 isa.h -> isareg.h, and update prototype of pcprobe(). 1994-11-04 01:00:38 +00:00
mycroft 7773b21b74 Correct an oversight. 1994-11-04 00:53:06 +00:00