7bae87cae4
Set variable i386_fpu_present to 1 if a functional FPU was detected. For
...
later retrieval by sysctl.
1999-10-06 20:03:51 +00:00
d2397ac5f7
completely remove Mach VM support. all that is left is the all the
...
header files as UVM still uses (most of) these.
1999-03-24 05:50:49 +00:00
12bbb63ed7
move the assembly functions to locore.s and make the variables used by
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them non-static
1999-01-26 14:27:08 +00:00
06471a2eed
switch to non-BROKEN_INDIRECT_CONFIG
1998-03-22 12:52:03 +00:00
919340aaa5
In npxdna(), if there was an exception state in the FPU but npxproc was
...
null, the frstor would fault on a PPro. I'm pretty sure this is not
how the chip is supposed to behave, but it's easy enough to do a fninit
to throw away the exception state.
Also, some other minor changes to the documentation.
1998-03-20 20:15:14 +00:00
d90485202c
- add defopt's for UVM, UVMHIST and PMAP_NEW.
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- remove unnecessary UVMHIST_DECL's.
1998-02-10 14:08:44 +00:00
29e93b8bea
add the i386 MD portions for UVM.
1998-02-06 07:21:42 +00:00
a963fe5864
Store the initial NPX control word appropriate for the emulation in the saved
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FPU state, and use it when initializing the FPU on demand.
1998-01-24 13:19:46 +00:00
22c1670658
Some rearrangement of the startup code:
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* Move some of the memory bootstrapping and the DDB startup earlier.
* Always put the IDT and the initial GDT and LDT in a separate page.
* Various minor changes.
1998-01-23 00:44:02 +00:00
36760d9d94
Update for changes to config.
1998-01-12 18:59:04 +00:00
37e189d6a8
Need vmmeter.h here now.
1997-10-16 03:22:54 +00:00
bd73314ed9
backout previous kprintf changes
1996-10-13 03:19:38 +00:00
06555645c2
printf -> kprintf, sprintf -> ksprintf
1996-10-11 00:24:36 +00:00
eda98d375d
Use intr.h.
1996-05-12 23:11:54 +00:00
099b45aa2a
- Add missing prototypes.
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- Fix gcc warnings
1996-05-03 19:14:50 +00:00
79e0a8a2b9
update for addition of a machine-dependent cookie as the first argument
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to isa_intr_{,dis}establish().
1996-04-11 22:15:08 +00:00
82d914d090
New device attachment scheme:
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- split softc size and match/attach out from cfdriver into
a new struct cfattach.
- new "attach" directive for files.*. May specify the name of
the cfattach structure, so that devices may be easily attached
to parents with different autoconfiguration semantics.
1996-03-17 01:26:49 +00:00
7f6d0eaf9b
Put #includes in the right order.
1996-01-07 02:00:31 +00:00
3da4b2a160
The IST_* and IPL_* constants are not bus-specific; don't treat them as such.
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Change splimp -> splnet in Ethernet, ARCnet, and FDDI drivers.
1995-12-24 02:29:35 +00:00
25f53a986f
Add USERMODE() and KERNELMODE() macros, and use them.
1995-10-10 04:45:03 +00:00
f2d15e5b48
Remove unneeded input operands to fnsave(), fnstcw(), and fnstsw().
1995-10-05 23:06:15 +00:00
bc59b73733
Merge npxinit() into npxdna(), and remove duplicated code.
1995-08-06 19:48:58 +00:00
b725d8b30b
Update the comment describing how this works.
1995-08-06 19:31:49 +00:00
ef504e724d
Fix oversight in previous.
1995-08-06 18:05:22 +00:00
d730fead60
Eliminate direct uses of curproc in npxdna() and npxinit().
1995-08-06 17:59:10 +00:00
a326c49adf
Stop using cr0 to flag that the FPU has not been used.
1995-08-06 06:05:28 +00:00
ce7cc0c18a
Move the `used fpu' flag into mdproc, so it can be referenced when a process
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is swapped out. Implement process_{read,write}_fpregs.
1995-08-06 05:32:59 +00:00
0175317fc3
If we decide to use IRQ 13, explicitly turn off CR0_NE to be sure.
1995-05-04 00:30:56 +00:00
94f4346537
Update a comment to match that last change.
1995-05-04 00:20:40 +00:00
f0a42753e4
npxinit() should not be called during autoconfig now. Watch for this
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condition.
1995-05-04 00:16:40 +00:00
e03a827a0a
Move some comments from before npxsave1() to before npxsave().
1995-05-04 00:00:25 +00:00
bfef4c14c5
Slight rearrangement, to make the TS handling easier to follow.
1995-05-03 23:09:37 +00:00
e772f7c5ef
Set PCB_USEDFPU.
1995-05-03 00:09:13 +00:00
87b25c7f5c
Update to match include files. Eliminate _ucodesel, _udatasel, and IdlePTD.
1995-05-01 08:25:30 +00:00
17a5f987ba
Be more aggressive about lazy saving and initialization.
1995-05-01 04:47:43 +00:00
8a640328ed
clean up several ISA device interfaces: autoconfiguration, header
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inclusion, and interrupt configuration. more work still needs to be done,
but it's getting better...
1995-04-17 12:06:30 +00:00
431ccddc77
Remove redundant assignments.
1995-01-26 06:35:42 +00:00
133ff42fa2
Introduce a `npx_softc' to make this driver more normal. Some other minor
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cleanup.
1995-01-26 06:14:14 +00:00
b5cf1b5ddd
Add interrupt sharing types.
1995-01-03 01:30:14 +00:00
6686f7f263
Rework detection a bit, and check for the Pentium fdiv bug.
1994-11-30 04:42:07 +00:00
35cdd801e6
Convert port, IRQ, and DRQ numbers to ints.
1994-11-18 21:57:40 +00:00
d254e95680
Garbage collect some variables which are no longer used.
1994-11-07 10:19:28 +00:00
d5f99262a9
Since npxdna() and npxsave() are only ever called at spl0 now, we can get rid
...
of all the overhead of frobbing the IDT, and just use a simple flag to tell
npxintr() to ignore interrupts. This allows lots of code reduction.
Also, update some comments and add some DIAGNOSTIC code to detect is these
assumptions ever become wrong.
1994-11-07 03:39:37 +00:00
5133a6cfd7
Only save the FPU state if somebody else needs the FPU, or when forking.
1994-11-06 23:43:17 +00:00
1ec8f8d19c
Make IRQ_SLAVE a plain number, too, and remove IRQ{0-15}.
1994-11-04 19:13:49 +00:00
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
d0163400d1
Update to match autoconfig code.
1994-11-03 23:21:24 +00:00
022ee8f7fe
new RCS ID format.
1994-10-27 04:14:23 +00:00
7be5732f87
Implement new system call entry method. Clean up all of the IDT frobnication
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code.
1994-10-26 01:30:59 +00:00
e9aa986658
nice little colons
1994-06-28 07:55:25 +00:00
fvdl