Commit Graph

14 Commits

Author SHA1 Message Date
Peter Wemm
54a8c69347 Stage 1 of a cleanup of the i386 interrupt registration mechanism.
Interrupts under the new scheme are managed by the i386 nexus with the
awareness of the resource manager.  There is further room for optimizing
the interfaces still.  All the users of register_intr()/intr_create()
should be gone, with the exception of pcic and i386/isa/clock.c.
1999-04-21 07:26:30 +00:00
Bruce Evans
9a2daf9190 Changed the type of an isa/general interrupt handler to take a
`void *' arg.  Fixed or hid most of the resulting type mismatches.
Handlers can now be updated locally (except for reworking their
global declarations in isa_device.h).
1998-06-18 15:32:09 +00:00
Bruce Evans
cd55b8f46c Converted the ICU-level interrupt tests (3, 5 and 8) in sioprobe() into
a test of the irq number, and made failure of this test non-fatal.
Removed related unused complications for the APIC_IO case.  Removed the
no-test3 flag.

Deverbosified the failure messages for the other tests.  Removed the
per-port verbose flag - just use the general verbose flag.
1998-05-31 10:53:55 +00:00
Tor Egge
02c1dc3bbc When entering the apic version of slow interrupt handler, level
interrupts are masked, and EOI is sent iff the corresponding ISR bit
is set in the local apic. If the CPU cannot obtain the interrupt
service lock (currently the global kernel lock) the interrupt is
forwarded to the CPU holding that lock.

Clock interrupts now have higher priority than other slow interrupts.
1998-03-03 22:56:30 +00:00
Tor Egge
3163861c7b Forward the signal if the process runs on a different CPU. This reduces
the signal handling latency for cpu-bound processes that performs very
few system calls.

The IPI for forcing an additional software trap is no longer dependent upon
BETTER_CLOCK being defined.
1998-03-03 20:55:26 +00:00
Bruce Evans
359888780e Ifdefed SMP-only declarations. 1998-02-13 06:59:22 +00:00
Steve Passe
baf41202ca The improvements to clock statistics by Tor Egge
Wrappered and enabled by the define BETTER_CLOCK (on by default in smpyests.h)

apic_vector.s also contains a small change I (smp) made to eliminate
the double level INT problem.  It seems stable, but I haven't the tools
in place to prove it fixes the problem.

Reviewed by:	smp@csn.net
Submitted by:	Tor Egge <Tor.Egge@idi.ntnu.no>
1997-12-08 22:59:39 +00:00
Steve Passe
34162fc615 Support for the new FAST_HI algorithm, enabled.
Preliminary support for the INTR_SIMPLELOCK algorithm, disabled.
Note that this code is NOT ready.
1997-08-29 18:45:23 +00:00
Steve Passe
bed422e5a3 SMP or APIC_IO:
- Increased NIDT to 256.
 - Moved IPI vectors up above the linux compat vector.
 - Removed runtime setup of RTC vector.
1997-07-19 02:28:30 +00:00
Steve Passe
d2ecb616f2 Split TEST_CPUSTOP code into CPUSTOP_ON_DDBBREAK and mainline code. 1997-07-18 21:27:53 +00:00
Steve Passe
c064ef9175 Cleanup old stop_cpus/restart_cpus() cruft.
new code for handling mixed-mode 8259/APIC programming without 'ExtInt'
new code to control other CPUs: stop_cpus()/restart_cpus()/_Xstopcpu
1997-07-13 01:18:51 +00:00
Steve Passe
01bd6212ca Added a hook for a "spurious INTerrupt handler". 1997-07-06 22:11:26 +00:00
Steve Passe
58db75841d apic_vector.s:
- added Xcpustop IPI code to support stop_cpus()/restart_cpus().
   it is off by default, enable via smptests.h:TEST_CPUSTOP

intr_machdep.h:
 - moved +ICULEN to lower level.
 - added entry for Xcpustop.
1997-06-27 23:48:05 +00:00
Doug Rabson
683523378c Move interrupt handling code from isa.c to a new file. This should make
isa.c (slightly) more portable and will make my life developing the really
portable version much easier.

Reviewed by:	peter, fsmp
1997-06-02 08:19:06 +00:00