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1705 Commits

Author SHA1 Message Date
thorpej
371b1a7fb7 Define the DEC 550 Personal Workstation (Miata) systype. 1998-04-29 02:39:24 +00:00
thorpej
829fa05638 Ignore any `-' characters that might have been passed in the boot flags. 1998-04-29 02:13:51 +00:00
thorpej
a152517daa Add interrupt counter space for the DEC EB64+, and fix a misplaced 
counter comment in the kn300 interrupt counters.
 1998-04-29 00:34:06 +00:00
thorpej
28b467b65b Add support for the DEC EB64+. 1998-04-29 00:24:59 +00:00
thorpej
23a168699c Build EB64+ PCI support if DEC_EB64PLUS is configured. 1998-04-29 00:24:28 +00:00
thorpej
861c7a7e2d Add a stub pckbc_machdep_cnattach() which simply returns an error. This 
function is meant to glue the new pckbd driver to the old console code
on ports which use the old PC-style console code.  This will eventually
be purged when all of the old legacy consoles have gone away.
 1998-04-28 19:14:27 +00:00
thorpej
4ccb48a525 Try (again) to get the chip number right for Alcor and Pyxis, using the 
following (iffy) hueristic:

	CIA revision 1   -> 21171
	CIA revision 2   -> 21172
	CIA revision > 2 -> 21174
 1998-04-28 18:11:35 +00:00
thorpej
b217194508 Fix the semantics (and the comment describing them) of pmap_update(). This 
function is intended to process any deferred pmap operations, and is not
meant as a general means of flushing the TLB.  Since this pmap module does
not defer any operations, make pmap_update() do nothing.
 1998-04-27 19:17:16 +00:00
thorpej
30188853dc Increase the efficiency of pmap_l{2,3}pte() somewhat, by allowing the 
caller to pass an optional 3rd argument, which is the previous level
PTE corresponding the virtual address.  If this argument is non-NULL,
the table walk otherwise necessary will be bypassed.
 1998-04-27 19:07:03 +00:00
kleink
a53c1863fe Provide definitions for intptr_t and uintptr_t, signed resp. unsigned integral 
types large enough to hold any pointer.
 1998-04-27 17:39:10 +00:00
drochner
7f77474219 Oops, forgot to delete. It's in dev/pci now. 1998-04-26 11:57:00 +00:00
mjacob
384418e4b7 "Whitespace" does not mean uncommenting a reference to a file that does not, as yet, exist in the tree 1998-04-26 05:18:50 +00:00
thorpej
b6eff278f2 Fix some whitespace lossage. 1998-04-25 00:12:44 +00:00
drochner
660e718e2e Drivers for PC-like console devices are MI now. 1998-04-24 20:05:54 +00:00
thorpej
6f3b521cd5 Whitespace sanity. 1998-04-24 18:18:41 +00:00
mjacob
6cd64be0b6 fix minor typo 1998-04-24 01:25:18 +00:00
thorpej
2b6154a68c Add PCI IDE. 1998-04-18 01:19:40 +00:00
thorpej
792e89a201 Add PCI IDE goop. 1998-04-18 01:19:08 +00:00
thorpej
4fc79b8fd3 First cut at PCI IDE compat interrupt support for the EB164 systype. 
PCI IDE is found on the AlphaPC 164SX's Cypress PCI-ISA bridge.
 1998-04-18 01:18:37 +00:00
thorpej
574b87a792 Initialize the PCI IDE compat interrupt PCI method to NULL; PCI IDE 
compat interrupts are not currently supported on these platforms.
 1998-04-18 01:12:23 +00:00
thorpej
78c7ebb2d0 Add a second Alpha-specific pci_chipset_tag_t method for establishing 
PCI IDE compat interrupts.  Note that this function is optional, and
platform-specific code may initialize the pointer to NULL.
 1998-04-18 01:10:54 +00:00
thorpej
a5f006fb5f Fix a typo. 1998-04-18 01:09:20 +00:00
thorpej
783382095c Machine-dependent bits for PCI IDE. This redirects PCI IDE compat interrupt 
goop to the appropriate platform-dependent code.
 1998-04-18 01:08:52 +00:00
mjacob
e77859a612 Hmmm... handle the case where there is no keyboard configured (panic 
if the console selection is asking for it). Also add the stuff that
was missing from dec_kn300.
 1998-04-17 02:45:19 +00:00
thorpej
815703e5ec Make function names in printfs and panics consistent. 1998-04-16 19:50:55 +00:00
thorpej
a048ee73ca Fix a whitespace botch. 1998-04-16 19:40:56 +00:00
thorpej
2615a1d8d3 Allow device 8 (the SIO) to have its interrupt mapped; there might be 
a PCI IDE controller on one of the PCI-ISA bridge's functions (e.g.
AlphaPC 164SX).
 1998-04-16 19:24:24 +00:00
drochner
3cc1fe831c count allocated screens correctly 1998-04-16 12:52:42 +00:00
thorpej
c72ac312a7 Add pcppi/spkr drivers, and use DHCP for NFS boots. 1998-04-16 04:11:50 +00:00
thorpej
f92ae39153 Make this compile if a Rawhide isn't configured. 1998-04-16 04:04:15 +00:00
mjacob
512e80082b add an AlphaServer 4100 Specific config file 1998-04-15 21:53:25 +00:00
mjacob
a8d3df00ed oops- add missing include 1998-04-15 21:42:24 +00:00
mjacob
afeea01bbd add back in display console stuff 1998-04-15 21:29:03 +00:00
drochner
b7c6c315ea convert to new wscons 
(pcppi->pckbc, pms->psm, wscons->wsdisplay)
 1998-04-15 21:19:21 +00:00
drochner
b98513c4ff convert to mi wscons 1998-04-15 21:15:08 +00:00
drochner
b9d78308c1 tell drivers that this port knows about the mi wscons stuff 1998-04-15 21:12:45 +00:00
drochner
534775fe76 explicitely initialize console keyboard 1998-04-15 21:06:46 +00:00
drochner
c5ea534f57 Switch the console to polling mode before accessing the keyboard with 
interrupts disabled.
 1998-04-15 20:51:10 +00:00
drochner
fba6e5e23a update for new mi wscons, add ISA speaker 1998-04-15 20:48:52 +00:00
drochner
584f3e8aa0 Adapt PCI console selection to new mi drivers. 1998-04-15 20:46:34 +00:00
drochner
971dd06182 Adapt ISA console selection ti new mi drivers. 
(was broken anyway, a "++" was missing somewhere)
 1998-04-15 20:43:07 +00:00
mjacob
70e72d5545 redo misleading comment (thanks, soren) 1998-04-15 20:37:39 +00:00
drochner
90fc55bdf9 use mi wscons and device drivers 1998-04-15 20:35:37 +00:00
thorpej
f82e238b10 Don't need "delaybah" in the attach args anymore. 1998-04-15 20:11:10 +00:00
thorpej
ba1ef83a1e Don't use the ISA `delay port', since it no longer exists. 1998-04-15 20:10:52 +00:00
mjacob
bd2e0fee32 delay handle was removed 1998-04-15 19:49:19 +00:00
mjacob
6cc22e724e Hmmm- how did that happen- I missed a merge 1998-04-15 01:18:17 +00:00
mjacob
cddc0bf326 add Alpha 4100 support 1998-04-15 00:53:53 +00:00
mjacob
6ad4ba8370 some cleanup 1998-04-15 00:51:00 +00:00
mjacob
aed073a77f add Alpha 4100 support 1998-04-15 00:50:14 +00:00
mjacob
0ba76b38c8 spurious interrupt notification and finally adding vmstat -i support 1998-04-15 00:49:58 +00:00
mjacob
0229740b5e removal of unneeded define 1998-04-15 00:49:17 +00:00
mjacob
5f59df9630 oops on byte enables for TurboLaser systems 1998-04-15 00:48:58 +00:00
mjacob
4fa71d82a5 add Alpha 4100 support 1998-04-15 00:46:57 +00:00
mjacob
17ec1fbf11 clarification of comment 1998-04-15 00:46:41 +00:00
mjacob
65e5c41fad do not cia include files here 1998-04-15 00:46:17 +00:00
mjacob
d3f1c5b8d8 add Alpha 4100 support 1998-04-15 00:45:43 +00:00
thorpej
164f56220e Add support for the Cypress CY82C693 PCI-ISA bridge. This bridge is more or 
less like an Intel SIO except that the ELCR registers are accessed differently
than on the Intel SIO.

XXX This code needs to be split up into bridge front-end and PIC back-end
XXX pieces.
 1998-04-14 22:31:17 +00:00
thorpej
4c01c3c48e Pass the pci_chipset_tag_t to sio_intr_setup(). XXX This code should be 
rearranged so that other non-PCI-but-in-all-other-ways-ISA-PIC-like
devices can share code.
 1998-04-14 22:20:59 +00:00
tv
b21bfbde11 Add -Wno-main conditional on compiler being gcc 2.8 or egcs. (This adds 
a HAVE_GCC28 check-variable that can now be used to add other gcc-2.8
flags in cases where they may be useful, or to remove gcc 2.7.2 "bug
workaround" flags.)
 1998-04-12 23:47:41 +00:00
mjacob
e40e2ff2d0 A little buglet: softc for pceb is same as sio- so declare it as such. 
By not doing so, a very obscure bug followed where the config search
stuff stopped at the bridge (pceb) and didn't even call match for the
two Qlogic ISP cards that followed.
 1998-04-12 08:32:19 +00:00
cgd
05bb5a1d2f revert back to 1.28 1998-03-30 17:52:03 +00:00
thorpej
0ce9e8b825 We don't have software-only maps, so a NULL pmap_t will never be passed 
to pmap functions.
 1998-03-28 19:53:42 +00:00
thorpej
cbc72091e5 Remove a comment that is not applicable in NetBSD - we don't have 
software-only maps.
 1998-03-28 19:44:49 +00:00
thorpej
ce4810822b Add autoconfiguration support for the Cypress 82C693 PCI-ISA bridge, 
found on AlphaPC164SX boards.

Partially from Anders Magnusson <ragge@ludd.luth.se>.
 1998-03-28 06:58:43 +00:00
cgd
c0ac8bae67 GC alpha's ECOFF_TOOLCHAIN make variable, and related bits. Nobody 
should be using an ECOFF toolchain on NetBSD/alpha any more.
 1998-03-28 00:50:41 +00:00
thorpej
4893f22399 Much more sane boot block builds, from Chris Demetriou. 1998-03-28 00:21:35 +00:00
thorpej
a95651eaea Add a PMAP_KERNEL_PTE() macro that returns the PTE for a given KVA. If 
DEBUG, this performs a table walk.  Othwise, the Virtual Page Table is
used.  Use this macro in a few places where this was done by-hand.

Make vtophys() use PMAP_KERNEL_PTE().  In non-DEBUG cases, this is
a fair bit faster.
 1998-03-27 19:18:04 +00:00
ross
2ce8cda3e5 Get rid of a /* in a comment. 1998-03-27 01:17:18 +00:00
thorpej
b1e15c2005 Add some robustness to pmap_alloc_physpage(): Instead of panic'ing if 
we can't get a page, find an inactive pmap and pmap_collect() it,
freeing up a few pages.  Go ahead and die if we can't allocate a page
after 5 tries.
 1998-03-27 00:52:43 +00:00
thorpej
b86884a71a Give pmap_collect() some substance: when called, a process is being 
swapped out, so remove all of the physical mappings the process has
in order to free up the page table pages.

Since the pmap module is allowed to "forget" mappings, pmap_collect()
may be called in other situations where the memory situation is desperate,
although it's more likely that the pages will simply be needed again the
next time a process runs.
 1998-03-26 22:18:36 +00:00
thorpej
531db9e0d3 Sanity check the virtual addresses in the kernel and non-kernel cases 
of pmap_enter() (and pmap_kenter_*()).  Remove diagnostic check for
kernel pmap in pmap_alloc_asn().
 1998-03-26 19:06:28 +00:00
thorpej
040f7cbc70 Remove references to pmap.old.h - It should have just been pmap.h, but 
that isn't necessary, either, since <vm/vm.h> is already included.
 1998-03-26 18:17:13 +00:00
thorpej
c4ba627afc Kernel config file for bishop.nas.nasa.gov and ripley.nas.nasa.gov, 
AlphaStation 500 and AlphaStation 600, respectively.
 1998-03-26 03:00:36 +00:00
thorpej
9234f2450b Enable DDB history, netbsd.gdb. 1998-03-26 02:58:48 +00:00
thorpej
6111783e61 if NEW_SCC_DRIVER, 3000/300 and 3000/500 aren't PROM console candidates. 1998-03-26 02:53:21 +00:00
thorpej
a9e071bef5 defopt NEW_SCC_DRIVER 1998-03-26 02:52:43 +00:00
thorpej
1282aca230 Add options UVM, PMAP_NEW, and NEW_SCC_DRIVER. 1998-03-26 02:51:46 +00:00
thorpej
73f1a02583 If NEW_SCC_DRIVER is defined, the 3000/300 and 3000/500 are not 
PROM console candidates.
 1998-03-26 02:45:34 +00:00
thorpej
7b4da708cc Add support for attaching a zstty as the console, conditional on 
NEW_SCC_DRIVER.
 1998-03-26 02:43:22 +00:00
thorpej
4a4bccc923 Remove references to NEW_PMAP. 1998-03-26 02:21:46 +00:00
thorpej
76ba34c797 Remove references to "new_pmap". 1998-03-26 02:19:02 +00:00
thorpej
456b3df281 Remove the Mach 3 pmap from the tree, replacing it with the contents of 
pmap.old.<whatever>.  To see the history, look at the corresponding
pmap.old.<whatever> file.
 1998-03-26 02:18:03 +00:00
thorpej
3ac5a77c70 Make pmap_kremove() deal with mappings entered with pmap_enter() as well. 
Prevents stale PV entries from lingering around.  Fixes a nagging
"kernel stack not valid halt" I was seeing with PMAP_NEW.

Idea from Chuck Cranor.
 1998-03-25 22:52:28 +00:00
mjacob
db6aafad0b With new pmap stuff, the need for MSS3 goes away. 1998-03-25 18:33:41 +00:00
ross
3786a63843 1. Always link at the high address, now that we can use free ram below 
the kernel on most platforms, including all of the entry-level platforms.
2. Kill the comments and options for load address selection.
3. Kill the default -g.
 1998-03-25 02:16:41 +00:00
thorpej
e6cf334f5c Keep a few things that reference kernel variables out of the namespace. 
Add a check to see if libkvm is using this file.
 1998-03-25 00:44:34 +00:00
thorpej
49408401a3 In pmap_destroy_lev1map(), fix a problem where the pmap's ASN wouldn't 
be invalidated if the pmap is not active.  A rare thing (in fact, I'm
having trouble thinking of a scenario where it would happen), but it was
incorrect, nonetheless.
 1998-03-24 22:02:44 +00:00
thorpej
ea074f229a cdev_decl the "zs" device (which is really zstty). 1998-03-24 05:17:14 +00:00
thorpej
0105ff6f53 Update my DEC 3000/400 kernel config to reflect usage of the MI SCC driver. 
Do not try this at home.  Caution: hot coffee is hot.
 1998-03-24 05:16:30 +00:00
thorpej
db00f6f709 Define attachments for the MI SCC driver - only hooks up to ioasic 
for now.
 1998-03-24 05:15:07 +00:00
thorpej
a26a53fbbc Slight hack to allow the MI SCC driver to be used at cdev major 15 
for testing purposes.  Normal kernels still get the Alpha-specific
SCC driver.
 1998-03-24 05:13:59 +00:00
thorpej
ee83014c4d Initial mostly-working ioasic attachment for the MI 8530 SCC driver. It is 
enough to use as a console on my DEC 3000/400 (connected to a VT-520
terminal).

XXX The MI SCC driver needs serious changes to handle platforms which
have muliple SCC attachments (e.g. the Alpha port, which has an ioasic
attachment for TurboChannel systems and a gbus attachment for TurboLaser
systems).

XXX The MI SCC driver also needs changes to deal with the wacky (to put
it mildly) way the chips are wired up on the ioasic (on both TC Alphas
and DECstations).  These are going to come along later.
 1998-03-24 05:12:00 +00:00
mjacob
4ccb969d0b Okay, handle the ALLOCNOW case by doing the appropriate adjustments 
up front. Do the spacing arithmetic slightly differently.
 1998-03-23 07:51:25 +00:00
mjacob
8e5970917e Redo it slightly so that S/G now appears to work a bit better. This 
version has 2GB direct map starting at 2GB, and either 256MB or 1GB
S/G starting at 1MB. I've done *some* testing on this, but I'm not
quite happy with it yet.
 1998-03-23 07:42:40 +00:00
mjacob
88c34f6f5f Spaicing for 32 bit ptes (dwlpx only, really) is 0x20, not 1 1998-03-23 07:09:12 +00:00
mjacob
66194d05bc Do a more complete job of figuring out what kind of DWLP? we have- figure 
out how much s/g ram is available. Can't really use the 128K entry S/G
ram yet- but I'll fix that later. More importantly, add in a dwlpx_iointr
handler that will try and figure out what the DWLPX error is and at
least print out what is happening- I actually found it useful in S/G
entry debugging as it could tell me that I had some bad S/G entries.
 1998-03-23 06:38:10 +00:00
mjacob
51ba315ba2 Slightly restructure interrupt handling to accomodate the addition 
of a dwlpx_iointr vector.
 1998-03-23 06:32:39 +00:00
mjacob
7c83bc0da6 Prepare for handling multisized S/G maps. Specify dwlpx_iointr function. 1998-03-23 06:31:54 +00:00
jonathan
d3d99a28c9 Update #ifdef'ed-out changes from pmax : 
* Add more #ifdef pmax/#endif, #ifdef alpha/#endif where appropriate.
    Config and heade files need more work (or replacement)
  change TK_NOTYET to HAVE_RCONS
  change commented-out /* && cn_tab.cn_screen */ to && raster_console()
  * Add DDB hooks.
  * Note where Alpha console ignores carrier on consoles.
  * Add pmax-derived console tty-size code inside HAVE_RCONS
  * Fold in gross pmax rcons-input hooks, inside HAVE_RCONS

Untested, but whitespace/ifdef only,  cross-compiles OK,
preprocessing shows no significat differences (famous last words)
 1998-03-22 08:24:52 +00:00
thorpej
a5260cbda0 Use atomic set/clear bits in pmap_activate()/pmap_deactivate(). 1998-03-22 07:27:54 +00:00
thorpej
fcfe2f1539 Implement a set of `atomic' (using load-locked and store-conditional) 
operations.  Initial set includes:

alpha_atomic_setbits_q()	set bits in a quad
alpha_atomic_clearbits_q()	clear bits in a quad
 1998-03-22 07:26:32 +00:00
thorpej
9db8ae93c8 - The pmap now includes support for ASNs. We no longer need to flush 
the TLB and I-cache in the SWITCH_CONTEXT macro.
- Right after switching to proc0's newly-created context at startup time,
  flush the TLB and I-cache; this is the only place where it's not done
  automatically.
- Fix a nasty bug in a critical section of cpu_switch(); change the
  pmap_activate -> SWITCH_CONTEXT -> pmap_deactivate sequence to
  pmap_deactivate -> pmap_activate -> SWITCH_CONTEXT.  This prevents
  erroneously marking a pmap inactive if switching to a process that
  shares it's address space (and thus its pmap) with the oldproc!  Noticed
  by Chris Demetriou.
 1998-03-22 05:46:02 +00:00
thorpej
c0cc1ed476 Implement support for Address Space Numbers, greatly reducing the number 
of TLB and I-cache flushes, significantly speeding up context switches.

Once again, many thanks to Chris Demetriou and Ross Harvey for code
review and debugging assistance!
 1998-03-22 05:41:37 +00:00
thorpej
a8d86e5a7c Replace PMAP_ASNGEN_INVALID with PMAP_ASN_RESERVED. 1998-03-22 05:39:50 +00:00
mjacob
86b6520e41 more TS_WOPEN to tp->t_wopen changes 1998-03-21 23:36:19 +00:00
mycroft
0dae91d9af Eliminate uses of TS_WOPEN in hard-wired devices. 1998-03-21 22:52:59 +00:00
mjacob
34f87569b9 add some error defintions 1998-03-21 22:02:42 +00:00
thorpej
66d8f5b544 sync systypes w/ <machine/rpb.h> 1998-03-20 21:48:21 +00:00
thorpej
63c73f94e3 Add a few more systypes. 1998-03-20 21:48:03 +00:00
thorpej
0f95ffdc1d Nuke swpctxt(); it's only used by the Mach pmap, which we will only ever 
use for reference.
 1998-03-19 06:44:25 +00:00
thorpej
003c50d1d5 Add a macro to invalidate the TLB for a given pmap/va pair. TLB 
invalidation algorithm:

	if (old mapping had PG_ASM set || pmap is active) {
		TIBS(va);
		if (also sync I-stream)
			imb();
	}

The check for "old mapping had PG_ASM" will get all kernel mappings (since
kernel mappings always have PG_ASM set).

This allows us to remove the bogus check for the kernel pmap in
active_pmap() - do so.

Use the new TLB invalidation macro whenever such action is needed.
 1998-03-18 23:55:25 +00:00
thorpej
15adb17803 Eliminate the last argument from pmap_remove_mapping(); it makes its own 
decisions about TLB invalidation.
 1998-03-18 23:11:44 +00:00
thorpej
7ee4af11a7 Change active_pmap() to use the CPU mask (XXX and check for kernel pmap 
as well, until some other changes are made).  Nuke active_user_pmap(),
and change the places that used it to use active_pmap() instead (as well
as make some DIAGNOSTIC consistency checks).
 1998-03-18 22:50:50 +00:00
thorpej
605472f676 Optimize out a TLB invalidation in a common case of pmap_enter(): if 
the PTE was previously invalid, no TLB invalidation is necessary because:

	(1) when a PTE is invalidated, its entry is flushed from the
	    TLB

	(2) the PALcode won't install an invalid PTE into the TLB.
 1998-03-18 22:13:58 +00:00
thorpej
cfdf9a95ad Keep track of which CPUs are using a pmap by setting/clearing bits 
in the pmap's CPU mask in pmap_activate()/pmap_deactivate().
 1998-03-18 21:57:03 +00:00
thorpej
43614761e3 In cpu_exit() deactivate the address space before freeing the vmspace 
structure.  We will continue to run on this context (which is the
global Lev1map at this point) right up until we switch to proc0's
context in switch_exit().
 1998-03-18 20:38:07 +00:00
thorpej
87eb2cfded Don't call pmap_deactivate() if we jumped into the middle of cpu_switch() 
from switch_exit(), since by this time, the vmspace will have already
been deactivated and freed.
 1998-03-18 20:36:13 +00:00
thorpej
b637a998f4 Add ASN housekeeping and a CPU mask to the pmap. 1998-03-18 19:39:23 +00:00
thorpej
961a955498 Move the "are we active" macros out of the header file. 1998-03-18 19:27:46 +00:00
thorpej
d37acae24c Add a DIAGNOSTIC checks for the kernel pmap in pmap_create_lev1map() 
and pmap_destroy_lev1map().  Correct a comment in another DIAGNOSTIC
panic.
 1998-03-18 19:21:50 +00:00
thorpej
06b49b8f3e Change a couple of assert()s to DIAGNOSTIC panics. 1998-03-18 19:12:57 +00:00
thorpej
438599b408 Correct a comment in pmap_bootstrap(). 1998-03-18 19:04:42 +00:00
thorpej
56e004c995 Pass the max ASN from the HWRPB to pmap_boostrap(). 1998-03-18 19:02:49 +00:00
thorpej
426d2953f5 Add a macro to test if PG_ASM (Address Space Match) is set in a PTE. 1998-03-18 19:00:15 +00:00
bouyer
9f50fca1fd Add commented out "options FFS_EI" 1998-03-18 16:34:41 +00:00
thorpej
9c1e8fc2ed Implement the PMAP_NEW interface for UVM. 1998-03-17 05:15:24 +00:00
thorpej
1477f77353 Properly depend on the PMAP_NEW option. 1998-03-17 05:00:18 +00:00
thorpej
6bbfd3e9ff Use pmap_kenter_pa() in _bus_dmamem_map() if PMAP_NEW. 1998-03-17 04:59:36 +00:00
thorpej
f8cff5ab23 Add a software PTE bit that indicates that a va -> pa mapping was entered 
in the physical->virtual list.
 1998-03-17 04:53:43 +00:00
thorpej
00452b441f Move PTE-related constants here, and make them not depend on a hard-coded 
page size (i.e. use the one initialized from the HWRPB at boot time).

Do a bit of cleanup while here, rendering old inherited constants obsolete.
 1998-03-12 07:29:21 +00:00
thorpej
4d8723232d Garbage-collect a bunch of constants that were inherited, but are no 
longer necessary or make sense.
 1998-03-12 07:28:07 +00:00
thorpej
bd3c0e36cf Garbage-collect this a bit. 1998-03-12 06:47:11 +00:00
thorpej
00a597fe92 Use vm_page_alloc1() and vm_page_free1() as appropriate. 1998-03-12 06:27:36 +00:00
thorpej
1f8d640c4b Bump maxusers to 64. 1998-03-12 06:04:47 +00:00
thorpej
6e6e2d7ebf Dump maxusers to 32. 1998-03-12 06:04:31 +00:00
thorpej
d9a1f8ba36 Adjust the default and low-bound maxusers, now that the pmap can deal. 1998-03-12 06:04:14 +00:00
thorpej
dfe0937a7e If not DEBUG, use the Virtual Page Table to get the PTE for kernel mappings 
in pmap_enter() and pmap_emulate_reference().
 1998-03-12 02:59:22 +00:00
thorpej
30766180a3 Nuke these; they are long-since obsolete. 1998-03-12 01:28:01 +00:00
thorpej
152a4bfa60 Increase the maximum userspace address to 4TB. Leave the stack at 8G 
for now, but make a note that we might want to move it down to 4G later.
 1998-03-12 01:25:52 +00:00
thorpej
e046925c3a Massive cleanup and partial rewrite of the NetBSD/alpha pmap module. 
Major change is that page table page management has been completely
rewritten.  Page tables are now accessed via K0SEG (no more KVA space
wasted on user page tables), and a much larger user address space is
supported.

Many thanks to Chris Demetriou and Ross Harvey for helpful insight and
debugging assistance.
 1998-03-12 01:24:52 +00:00
thorpej
900e1c90bd Nuke ALPHA_STSIZE and ALPHA_MAX_PTSIZE. Add macros to compute and operate 
on segments mapped by L1 and L2 PTEs.
 1998-03-12 01:21:21 +00:00
thorpej
7225aae835 Move check for user-pmap-still-using-Lev1map from pmap_enter_ptpage() 
to pmap_enter().
 1998-03-09 22:31:23 +00:00
thorpej
daa9cfae50 Don't do the Segtabzero-for-dev-zero hack. 1998-03-09 20:43:28 +00:00
thorpej
e456fc0538 Simplify/speed up pagemove() somewhat by using the Virtual Page Table. 1998-03-09 20:17:03 +00:00
thorpej
78a173bada Define VPT_INDEX(), which computes the index into the Virtual Page Table 
of the PTE that maps the specified virtual address.

Thanks to Chris Demetriou and Ross Harvey for clarifying the VPT.
 1998-03-09 19:57:57 +00:00
thorpej
b3d7fd8f3f Just use vtophys() to get the PCB phys addr. 1998-03-07 04:20:45 +00:00
thorpej
9c236919e9 Rewrite pmap_extract(), and use it as appropriate in vtophys() rather 
than (almost) duplicating the code.
 1998-03-07 03:37:02 +00:00
thorpej
cd7d081d02 Export a pointer to the Virtual Page Table. 1998-03-07 03:15:43 +00:00
thorpej
f7d64ef778 Clean up a comment. 1998-03-07 03:15:06 +00:00
thorpej
f55b280ffc Clean this up a bit. 1998-03-07 01:44:08 +00:00
thorpej
dcbc04e7af Rename Sysptmap and Sysmap to Lev2map and Lev3map, respectively, and 
add some comments describing in better detail what they are and how they
are used.
 1998-03-07 01:43:54 +00:00
thorpej
60e6d2e48f Update a comment in pagemove(). 1998-03-07 01:26:04 +00:00
thorpej
ff155df72a Nuke kvtopte(). Also, change pagemove() to lookup the from and to PTEs 
in each iteration of the loop, since PT pages may not necessarily be
contiguous.
 1998-03-07 01:11:39 +00:00
thorpej
60d30d3838 Nuke kvtopte() and ptetokv(). 1998-03-07 01:10:05 +00:00
thorpej
58a7bd9288 Nuke the vatopa() macro. 1998-03-07 00:42:07 +00:00
thorpej
059d0c72de pmap_ste() -> pmap_l2pte(), pmap_pte() -> pmap_l3pte() 1998-03-06 23:41:01 +00:00
thorpej
8081bd3017 Move pmap_pte*() macros into the header file, nuke pmap_ste_v(), add 
pmap_lev1pte().
 1998-03-06 23:19:26 +00:00
thorpej
53e3bf87b9 Fix think'o in last kcopy() change. 1998-03-05 02:10:57 +00:00
thorpej
a2db880e8c In kcopy(), make sure we save and restore the old fault handler; kcopy() 
is called from uiomove(), which may be in the code path of servicing
a non-fatal page fault caused by a copyin() or copyout().
 1998-03-04 02:11:58 +00:00
cgd
09dbd9234d fix typo in last commit (noticed on inspection) 1998-03-02 21:36:55 +00:00
cgd
7ff7b02fac allow LDSTATIC definition to be overridden by bsd.own.mk/mk.conf 1998-03-02 20:01:05 +00:00
cgd
9da165424c allow LDSTATIC definition to be overridden by bsd.own.mk/mk.conf 1998-03-02 19:57:00 +00:00
ross
03169f0089 Second part of cdev_decl() migration. Declare cputype variable. 
Add config info for a12 switch driver and console driver.
 1998-03-02 08:04:04 +00:00
ross
41a61f7c9e Update interrupt name table for a12 crossbar. 1998-03-02 07:47:52 +00:00
ross
b8d5ca6c78 Centralize cdev_decl() for these MI drivers + a12dc in machine/conf.h (cgd) 
(This does not introduce any config or option dependencies.)
 1998-03-02 07:44:18 +00:00
ross
ff94450f84 Use the more consistent register field names & add ctags(1) keys. 1998-03-02 07:07:41 +00:00
ross
6e6f663204 Rewrite of interrupt dispatch logic. Add ctags(1) keys for *a12*.h files. 1998-03-02 07:03:20 +00:00
ross
13aeff8570 Fix attachment message. 1998-03-02 06:59:38 +00:00
ross
1ada245647 Support attachment of xb and a12dc, define most of the remaining 
core logic register fields.
 1998-03-02 06:56:16 +00:00
ross
469f9b6126 Clean up attachment code and prototypes. 1998-03-02 06:53:34 +00:00
thorpej
7a571c643b Rename a few macros to better describe what they are: 
- kvtol1pte() -> l1pte_index()
- vatoste() -> l2pte_index()
- vatopte() -> l3pte_index()
 1998-03-02 00:49:01 +00:00
thorpej
54bb4f9e6e Rewrite pmap_enter() to have a more sane structure, useful for when 
page table page management is rewritten.
 1998-03-02 00:22:54 +00:00
ross
4ebd177543 Remove the A12 from the rogue's gallery of the promcons-addicted. 1998-03-01 08:17:36 +00:00
ross
39254d4d4b Poll console at 50 Hz, not 1024 Hz! (4 tlb and imb coherency ops per poll 
make this exceedingly expensive even on an alpha)  Note: only 3 systypes
still use promcons.
 1998-03-01 07:40:11 +00:00
ross
2170c2a46d Force elf symbol sections to an addressable boundary. 1998-02-28 10:38:55 +00:00
cgd
18a1481f7a Use NFS_BOOT_DHCP rather than NFS_BOOT_BOOTP. The former is more 
flexible, and the boot blocks use DHCP already(!!!) and it'd be good
for the kernel to be consistent with them.
 1998-02-28 02:01:32 +00:00
thorpej
ba3ddd48ad Move the code that enters and removes entries from the pv_table into 
functions pmap_enter_pv() and pmap_remove_pv().
 1998-02-28 01:07:05 +00:00
thorpej
9bbe89ea3f Garbage-collect the kpt_page stuff; it was basically unused in this 
pmap, and isn't applicable to how dynamically allocated kernel page
tables will work on the Alpha.
 1998-02-27 22:25:25 +00:00
thorpej
faf1155de5 Revamp pv_table management: 
- Make pv_table an array of struct pv_head's, which contain LIST_HEADs
  for the pv_entry's, as well as page attributes (mod, ref, ptpage).
- Use <sys/queue.h> to manipulate pv_entry lists.
- Fix several obvious bugs in pmap_collect_pv().
- Use K0SEG to access pv_page's.
 1998-02-27 19:39:03 +00:00
thorpej
f17bbcfffa Changes necessitated by the fact that all pmaps have their own level 1 
page tables: use curpcb to determine which level 1 map defines the
current VM context, and use that level 1 map when mapping and unmapping
the PROM.
 1998-02-27 04:03:00 +00:00
thorpej
c4e7c88520 Step 1 of the Grand Alpha Pmap Rototill: 
- Clean up pmap_bootstrap() some, and make a slight change to how the
  PROM mappings are saved.
- Give each pmap its own level 1 page table, rather than sharing a global
  level 1 page table.  This will eventually allow for Very Large user
  address spaces.
- Keep a list of all pmaps, so that when kernel level 2 page tables are
  allocated, all level 1 tables may be updated.
- Add a couple of functions for allocating and freeing page table pages.
- Add a few comments about ASN allocation.
 1998-02-27 03:59:58 +00:00
thorpej
5d56ce57ba Several changes related to all pmaps having their own level 1 
page table:
- Update the current hwpcb pointer in the SWITCH_CONTEXT macro, so that
  we know it's always correct.
- Optimize cpu_switch(): if we're switching to ourselves, skip the
  actual context swap.
- Clean up some comments and remove some code rendered obsolete by
  the fact that address spaces are now selected by switching to a
  new level 1 page table.
 1998-02-27 03:53:49 +00:00
thorpej
cb6972d4d3 Implement alpha_pal_swpctx(). 1998-02-27 03:44:53 +00:00
perry
1ed8ea9966 note second parm of sysarch() is now void *, + trivial KNF, etc. 1998-02-25 21:41:55 +00:00
thorpej
58509e699f Add support for UVM. 1998-02-24 07:38:01 +00:00
thorpej
772da350d4 Disable the message buffer during crash dumps by clearing msgbufenabled, 
not msgbufmapped.
 1998-02-19 04:18:30 +00:00
mycroft
3b9429b248 Minor changes to make all the float.h files match. 1998-02-18 11:01:27 +00:00
cgd
f19c0ee648 nuke pmap_map(). it's an internal MD function, and it's unused 1998-02-18 01:44:32 +00:00
thorpej
8354e68508 Remove "class" declarations, and add "devclass" declarations where 
appropriate.  Fix several inconsistencies between device class and
attributes.  Mostly from Chris Demetriou.
 1998-02-16 22:12:45 +00:00
thorpej
b4e77b173a Add support for non-contiguous physical memory, using MACHINE_NEW_NONCONTIG. 
These changes also recover memory that is located before the kernel in
the first system software segment on systems which do not use the PROM
for console I/O.  Written by Chris Demetriou and myself.
 1998-02-16 03:59:55 +00:00
cgd
1584dc4420 The pmap_emulate_reference warning about the page not being managed should 
be a panic instead.  If it's hit, "random" memory is going to be corrupted.
 1998-02-14 02:04:05 +00:00
cgd
1538076f47 fix pasto in last (sigh) 1998-02-14 01:18:46 +00:00
cgd
ab67040f58 fix for (harmless) bogon introduced in last commit 1998-02-14 01:17:19 +00:00
cgd
e719e8f703 adjust kernel core dump code for changes in kcore.h, also clean up 
slightly.
 1998-02-14 00:53:26 +00:00
cgd
69d88fbfd6 replace the single phys_ram_seg_t with a count. an array of segment 
descriptors will be placed after this structure in the core file.
 1998-02-14 00:17:57 +00:00
enami
2c12105cda Remove comment which says that fxp is untested (it is known to work now). 
Also, make model name closer to what driver prints startup.
 1998-02-13 04:33:30 +00:00
cgd
25d056473c Clean up kernel initialization. Use the bootinfo structure (or innate 
knowledge) earlier, and gather all information needed earlier.  Mark the
init code carefully re: when it can print stuff out, when it can expect
the firmware to stop working, etc.  Be more careful about using the PROM
console and other PROM facilities, and hint that in the future all use
of firmware/boot program callbacks by the kernel should go away (since
the world may not be mapped the way the firmware/boot program wants!).
 1998-02-13 02:09:03 +00:00
thorpej
b22ad9fe1a Define a lookup table for Alpha platform variation names. 1998-02-13 01:29:09 +00:00
thorpej
bdc328cb13 Use the platform family name in alpha_unknown_sysname(). 1998-02-13 00:27:37 +00:00
thorpej
bd60d9c62d Rewrite the way the platform model string is determined: 
- Attempt to find the model string in the HWRPB's DSR area.  Failing that
  (if the HWRPB version is too old)...
- Look up the system variation in a variation/string table.  Failing that
  (unknown variation)...
- Create a default model string using the variation number.

Also, factor out a bunch of common code.
 1998-02-13 00:12:45 +00:00
thorpej
44df600994 Define the structure of the HWRPB's Dynamic System Recognition area. 1998-02-13 00:07:25 +00:00
thorpej
7fbc685c06 Make it a little more clear that the "eb164" systype doens't necessarily 
mean that a machine is a DEC EB164 (it may be an AlphaPC 164, which is
different, from the firmware's perspective).
 1998-02-12 20:46:47 +00:00
thorpej
314f40f8d8 We can't count on the CIA revision register telling us if we're a 21171 
or 21172, so make the chip/revsion output a little more sane.
 1998-02-12 20:43:45 +00:00
cgd
5a1a26d325 set 'hwrpb' in a way that works exactly the same way as the previous 
code, but looks significantly less gross.
 1998-02-12 02:54:02 +00:00
cgd
c7ba12ab93 rename struct rob's "rpb" element to "rpb_phys" for clarity. also, 
change its type from a pointer to a never-defined structure to a
u_int64_t.
 1998-02-12 02:27:48 +00:00
cgd
92d17b5b50 clean up the way bootinfo information is passed and used: move the version 
number passed by the boot block into a register, change the kernel's
bootinfo handing so that it always uses bootinfo to get bootinfo-ish values
(filling them in if the boot blocks didn't pass them), and make versioning
a small bit more sane.
 1998-02-12 01:53:18 +00:00
thorpej
c26f962957 Use kernel_map in bus_dmamem_{map,free}(). 1998-02-11 03:08:31 +00:00
thorpej
30aa56fc66 Use M_DMAMAP where appropriate. 1998-02-11 01:37:51 +00:00
cgd
e21b7a5995 leave space for bootstrap stack when calculating kernstart 1998-02-11 00:05:33 +00:00
thorpej
1951c4b19b Bump KNMEMCLUSTERS slightly, and make it more obvious how to tune it 
(lifted from i386 port).
 1998-02-10 03:53:01 +00:00
thorpej
68d3b764ce Make it easier to keep the scaled VM_*_SIZE values in sync w/ the 
constants.
 1998-02-10 03:52:05 +00:00
thorpej
5887833ac7 Kernel for babylon.netbsd.org. 1998-02-10 00:48:14 +00:00
thorpej
8e69ee392a Fixup includes. 1998-02-04 23:41:45 +00:00
thorpej
612aea038c Use the common _bus_dmamap_sync() as the _dmamap_sync method in the 
bus_dma_tag_t.
 1998-02-04 07:37:28 +00:00
thorpej
1a2b1a18f2 The _dmamap_sync method is no longer optional. 1998-02-04 07:36:10 +00:00
thorpej
b1d8bffad8 Flush the CPU write buffer in _bus_dmamap_sync(). 1998-02-04 07:35:30 +00:00
thorpej
8abe76d2f0 Add offset and length parameters to bus_dmamap_sync(), used for specifiying 
partial syncs of a DMA mapping.
 1998-02-04 05:12:46 +00:00
thorpej
99cc8482d1 Change the last argument of bus_dmamap_sync() from bus_dmasync_op_t to int, 
and allow more than one synchronization operation to be specified in
a single call.  Dissallow mixing of PRE and POST operations.
 1998-02-04 01:57:27 +00:00
thorpej
2d403996b2 Add dm_mapsize to bus_dmamap_t and rename BUS_DMAMEM_NOSYNC to 
BUS_DMA_COHERENT.
 1998-02-04 00:10:30 +00:00
thorpej
5fd0d10994 Add dm_mapsize to bus_dmamap_t and rename BUS_DMAMEM_NOSYNC toBUS_DMA_COHERENT. 1998-02-04 00:04:25 +00:00
mycroft
b5c132e4d2 Prototype __flt_rounds() consistently. 1998-02-03 01:26:20 +00:00
thorpej
cfa47dfc11 Add support for installing boot blocks into ISO-9660 file system images. 1998-02-01 06:59:30 +00:00
thorpej
fea34a1cf2 Bump the ramdisk size to 3M. 1998-02-01 02:55:42 +00:00
thorpej
4efe4fc0da le* at isa? isn't ready for prime-time yet. 1998-02-01 00:24:26 +00:00
ross
d0cce6d144 Take Jason's most excellent advice on platform.model. 1998-01-31 10:55:42 +00:00
ross
1e62e0ffd9 Remove the #include of rpb.h from clock.c and set hz from the hwrpb 
in alpha_init() instead of from a hardwired 1024 in cpu_initclocks().
 1998-01-31 10:32:47 +00:00
cgd
58fb6574f9 valloclim() was unused; kill it. #undef valloc() at the end of 
allocsys().
 1998-01-31 02:20:44 +00:00
ross
6270ed1711 Add the A12 fast ethernet controller, an if_de.c hacked (prior to 
bus_dma's appearance in the tree) to support sram bounce buffers.
When a busified if_de.c appears, this module can join awd.c at the
end of that long walk on a short pier.
 1998-01-31 01:43:40 +00:00
ross
3a83745247 In some hp300-derived pmaps, in pmap_page_protect(), don't walk off the 
end of the list of physical->virtual entires into NULL space if the last
entry is (mysteriously) wired in the pmap. Add a DEBUG printf on alpha.
 1998-01-31 01:32:55 +00:00
ross
1559f49cd1 Correct a number of apparent errors in a few reboot paramemter block fields. 1998-01-29 22:28:52 +00:00
ross
ccafd3dcb9 Define the A12 names. 1998-01-29 22:26:24 +00:00
ross
f2d2b6bf68 defopt for AVALON_A12 and specifiers for all the platform modules. 1998-01-29 22:23:06 +00:00
ross
18beceb2f9 Recognize Avalon A12 cputype code. 1998-01-29 22:20:15 +00:00
ross
43a3471986 While here in alpha/stand, add a technically required imb coherency op 
just before transferring to the kernel entry point.
 1998-01-29 22:13:25 +00:00
ross
c1972a428c Avoid VMS palcode ops by using a different technique for cpu_number(), 
and don't execute the VMS->OSF palcode switch if the OSF palcode
is already running...which will be the case if the console is not
the venerable SRM.
 1998-01-29 22:09:37 +00:00
ross
8430acf1e7 Add a12 platform support. The A12 is a scalable, distributed memory parallel 
processor.
 1998-01-29 21:46:33 +00:00
ross
12f93343cd Add basic platform support for NetBSD on the Avalon A12. I'm running this 
CVS commit on one right now...
 1998-01-29 21:42:50 +00:00
ross
683fada0e3 Clean up duplicated code sequences and add an imb (a coherency operation) 
whenever the console code is mapped and unmapped.
 1998-01-29 21:11:58 +00:00
ross
0c4d28f49e Fix an alpha-specific page daemon wedge...the new pmap_clear_reference() 
may be faster, but it was supposed to _clear_ PMAP_ATTR_REF, not _set_ it.
 1998-01-29 05:44:57 +00:00
thorpej
2538ed1062 Use offsetof() from libkern.h 1998-01-28 02:23:04 +00:00
thorpej
5ac7e550d1 Implement bus_dmamap_load_mbuf(). 1998-01-27 02:35:58 +00:00
mycroft
15ae963bea When dumping, print out the device number as major,minor. 1998-01-24 16:46:23 +00:00
thorpej
cacd48c0d6 Print the correct error number if nfs_mount() fails. From Chris Demetriou. 1998-01-23 19:13:28 +00:00
thorpej
9c3ef8899b Don't conditionally define the sgmap_log_entry structure, and turn off 
SGMAP logging by default.
 1998-01-21 22:36:10 +00:00
thorpej
3d9cd8a05a Extent names are const. 1998-01-21 22:34:38 +00:00
thorpej
12809e3434 If mapping only one segment of DMA memory into KVA space, use K0SEG. 1998-01-19 03:12:20 +00:00
thorpej
c6d1f2e018 G/c LANCE DMA allocation goop. 1998-01-19 02:57:28 +00:00
thorpej
e5e8573d5c Allocate the LANCE DMA area and set it up here. This is still not 
optimal (really should be done further down the food chain), but we
can't really do that in a nice way right now, and this is much better
than what we had before (which was to steal memory pages before the
VM system was bootstrapped).
 1998-01-19 02:56:05 +00:00
thorpej
bf92ae27ef Pass a pointer to the "get this slot's DMA tag" function pointer to 
the tc instance just like we do with the interrupt functions.
 1998-01-19 02:54:24 +00:00
thorpej
806e953f2c Get the per-slot DMA tag a bit differently. 1998-01-19 02:53:29 +00:00
thorpej
70da5cdba9 G/c an unused function pointer. 1998-01-19 02:53:03 +00:00
drochner
32d94859ea adapt to changed <dev/ic/i8042reg.h> 1998-01-18 14:45:10 +00:00
thorpej
e62d894d7a Implement a prefetch spill page for SGMAP DMA. This works around a slight 
annoyance on systems that prefetch the next page during memory -> device
DMA if the DMA comes within a certain distance of the end of the current
page.  This could cause machine checks since the PTE after the last page
would not have the valid bit set.

(I'm not going to complain about this slight kludge too much, since prefetch
makes DMA much faster...)
 1998-01-18 00:05:33 +00:00
thorpej
8df306036a Initialize s/g DMA registers in the same order as the CIA chipset's: 
(1) window base
	(2) window mask
	(3) translation base
 1998-01-17 22:46:55 +00:00
thorpej
3366b987d0 Put SGMAP-related stuff in the DMA map structure directly, rather than 
indirecting through a pointer.
 1998-01-17 21:53:52 +00:00
thorpej
63db8935a6 Fix initialization of DMA window 0: 
- Make sure the page table is aligned to at least 32k.
- Don't consider the MEMCS signal when checking for a window hit.
 1998-01-17 03:43:59 +00:00
thorpej
9554b5a243 Update for "minptalign" argument to alpha_sgmap_init(). 1998-01-17 03:40:32 +00:00
thorpej
399f3639cf Don't assume that we'll be using direct-mapped DMA for PCI. 1998-01-17 03:39:51 +00:00
thorpej
361179df26 Make debugging decisions at run-time, and place a handy DDB breakpoint 
after a transfer has been mapped in the page table.
 1998-01-17 03:38:51 +00:00
thorpej
2981fec2f0 Allow specification of a minimum page table alignment to alpha_sgmap_init(). 
This is to work around an apparent hardware bug in some 2117x chipsets
where the page table must be aligned to at least 32k.
 1998-01-17 03:37:22 +00:00
thorpej
6254765e6a Make this compile again after recent config changes. 1998-01-15 22:22:09 +00:00
thorpej
86adfd8033 Switch to MI IDE drivers, add ATAPI devices. 1998-01-15 07:17:19 +00:00
thorpej
c60855e116 Switch to the MI IDE drivers. 1998-01-15 07:09:24 +00:00
thorpej
f127dfb6f0 Undo the wdc -> awdc mapping kludge. 1998-01-15 07:02:21 +00:00
thorpej
76e4297b91 No longer needed; we use the MI IDE driver now. 1998-01-15 07:01:51 +00:00
cjs
61826c3946 Make INSTALL a fully-loaded kernel (for booting from network or CD), and 
INSTALL-FLOPPY a stripped-down version to fit on a floppy.
 1998-01-13 23:49:31 +00:00
thorpej
5419debcb7 Adjust for config changes. 1998-01-12 10:21:02 +00:00
thorpej
c5f6a2dbb3 Add (commented out) COMPAT_13 1998-01-12 07:09:24 +00:00
thorpej
83c4c24058 Add "non-volatile" memory cluster usage bit. 1998-01-12 07:07:19 +00:00
perry
6f57e5c573 multiple include protect machine/limits.h, fixes pr 4473 (from Mika Nystrom) 1998-01-09 22:23:44 +00:00
thorpej
1256fac296 Rearrange alpha_init() somewhat, setting the page size much earlier, and 
keeping track of where the kernel lives in K0SEG.  Place early data
structure allocation into an allocsys() function, like other ports, so
that it can be used to first calculate the amount of memory needed
for those data structures.
 1998-01-09 21:34:47 +00:00
thorpej
bb4988dca2 If MACHINE_NEW_NONCONTIG is defined, activate the pmap_steal_memory() 
interface.
 1998-01-09 19:13:09 +00:00
drochner
9c3e23d351 Compile in BOOTP support for diskless boot. 1998-01-09 17:10:16 +00:00
drochner
874db3d0e0 Selection of network configuration method for diskless boot can be 
controlled by config options now. Remove setting of nfs_boot_rfc951,
it is set by default if "option NFS_BOOT_BOOTP" is defined.
 1998-01-09 17:06:35 +00:00
thorpej
e47378c640 - pmap_collect_pv() is broken; #ifdef it out (it's not currently ever 
called anyway, but now at least the reason is documented).
- rearrange a few things to make it easier to add support for non-contigous
  physical memory.
 1998-01-09 08:27:09 +00:00
thorpej
b115c27722 Get rid of some old cruft. 1998-01-09 08:18:22 +00:00
thorpej
5170264d4e Gather pv_table and pmap_attributes things togther, and macro'ize 
access to them a little better.

Also, improve the performance of pmap_is_{referenced,modified}() and
pmap_clear_{reference,modify}() somewhat.
 1998-01-09 06:54:17 +00:00
thorpej
14807c2914 Use avail_start/avail_end. 1998-01-09 06:37:04 +00:00
thorpej
f9b6954f55 Call vm_set_page_size() after initializing PAGE_SIZE. 1998-01-09 06:35:17 +00:00
perry
015e898c02 RCSID Police. 1998-01-05 07:02:46 +00:00
perry
3e0fad1868 RCSID Police. 1998-01-05 06:28:44 +00:00
thorpej
b9f1b716f3 Now that all ports have pmap_activate(), and it has an identical interface, 
prototype it in <vm/pmap.h>
 1998-01-03 01:12:59 +00:00
thorpej
8b5e0b6e06 Remove a couple of unneeded VM-related headers. 1997-12-31 19:32:55 +00:00
cjs
89951259ed Add kernfs; remove more stuff we don't need. 1997-12-31 16:44:37 +00:00
mjacob
feb6e077d4 do not incread vm_kmem_size that radically for 1GB or better machines 1997-12-16 21:59:41 +00:00
mjacob
b52361ff54 add missing COMPAT_13 that kleink putzed 1997-11-30 23:18:59 +00:00
mjacob
549ecbd70a make SCSIVERBOSE default 1997-11-26 03:13:53 +00:00
mjacob
61f3754047 add SYSVMSG and SYSVSEM to GENERIC kernel 1997-11-26 03:13:12 +00:00
kleink
66c2794142 Add _BSD_SUSECONDS_T_ and _BSD_USECONDS_T_; do some space vs. tab formatting 
cleanup
 1997-11-23 20:20:53 +00:00
mjacob
261191603a copyright foo 1997-11-19 15:35:36 +00:00
lukem
6c986561ee * add commented out DDB_HISTORY_SIZE=100 if DDB exists in config file 
* fix up use of 'options<SPACE><TAB>'
 1997-11-17 01:57:23 +00:00
ross
711247adf8 Eliminate %: use from alpha/trap.c; the policy is to get rid of these 
anyway. I _still_ have my doubts about the kprintf %: code, though.
 1997-11-17 00:52:49 +00:00
ross
9dcfc52387 Put in Jason's recommended fix for the null-curproc-in-pmap.old.c problem. 1997-11-17 00:11:22 +00:00
mjacob
940f8fcfd1 remove unneeded and conflicting prototype 1997-11-13 18:06:01 +00:00
thorpej
ce4c770f88 Make sure CPP, AR, AS, and RANLIB are defined. 1997-11-12 23:11:50 +00:00
thorpej
a421995756 Define LORDER, NM, and TSORT here, like we do the rest of the tools. 1997-11-12 22:25:31 +00:00
mjacob
479bc8877c Protect userland applications from the inline splraise function. 1997-11-10 18:23:50 +00:00
thorpej
e22396f499 Clean up the messages displayed when either platform support is not 
configured into the kernel, or when the platform is not supported.
Use the defopt'ed options, rather than NDEC_... and remove the needs-flag
hack that's existed for a while.
 1997-11-06 00:41:45 +00:00
thorpej
4730a8cbec Bug fixes and cleanup from Chris Demetriou <cgd@pa.dec.com>: 
- fix _C_LABEL so that it actually works.
- make __RENAME use _C_LABEL.
- fix __RENAME so that it expects an unquoted argument.
- fix __indr_reference and __warn_references so that they
  supply their own final semicolon.
- define __warn_references to nothing if not GNU C (required
  by the way it's used).

The __warn_references semicolon change has to be made
so that __warn_references can be defined into nothing.
(A ; all by itself isn't a great idea.)  The __indr_reference
change was made for consistency.
 1997-11-04 23:09:23 +00:00
ross
6f6bb84844 Check for null curproc in pmap_changebit. Fixes the IDE-on-alpha crash 
problem reported by Chris Csanady <ccsanady@bob.scl.ameslab.gov>.
this
 1997-11-04 07:16:25 +00:00
ross
0ea4820367 --Add handcrafted stack frame directives to locore.s palcode vector 
--entries / remove kernel entry from locore / reorganize vector entry
--code. Enables access to stack frames transitively w.r.t. palcode
--vectors, e.g. upward traceback works, inverting (possibly several)
--kernel vectors. Until now, all trackbacks ended at the first-reached
--instance of trap(), which was totally useless as there is no mystery
--to trap->panic->cpu_reboot
 1997-11-03 04:22:00 +00:00
lukem
3e8e744696 getopt returns -1 not EOF 1997-11-01 06:49:14 +00:00
thorpej
32146049fa Don't forget to account for scrollskip when computing the current row. 1997-10-27 01:37:33 +00:00
thorpej
023044a749 Clean up printing of chipset revision/capabilities. 1997-10-27 01:08:42 +00:00
thorpej
611012d836 Make the copy_region methods do overlapping copies properly. Fixes 
port-alpha/4216 (Chris Demetriou).
 1997-10-25 01:21:57 +00:00
thorpej
19c77efe96 In vga_erasecols(), fix botched count and reversed arguments to 
bus_space_set_region_2().  From Chris Demetriou <cgd@pa.dec.com>.
 1997-10-24 23:03:02 +00:00
thorpej
665f7d1a6e Implement __RENAME() in <machine/cdefs.h> 1997-10-22 05:20:32 +00:00
mjacob
5bd8e6eccc MSS3 needs full SYSV stuff. 1997-10-20 19:48:30 +00:00
explorer
f29df68cd4 comment out rnd, mark as experimental 1997-10-20 18:47:08 +00:00
cjs
1a546804ed First go at an INSTALL kernel (add ramdisk, remove unnecessary stuff). 1997-10-19 01:31:49 +00:00
cjs
bcced1d9be Check return values from lseek; use SEEK_SET instead of 0. 1997-10-18 22:27:46 +00:00
mjacob
c3f84c257a more compile foo 1997-10-17 18:59:48 +00:00
mjacob
c8fce5460c more compile foo. 1997-10-17 18:58:16 +00:00
mjacob
eb249946d0 Recover from some include file foo. 1997-10-17 18:47:30 +00:00
mjacob
d13d5783e4 Add in missing includes. 1997-10-17 18:25:32 +00:00
thorpej
6698c7b3e2 Adjust for new "com" driver home. 1997-10-16 00:58:08 +00:00
mjacob
c83fc3eeb6 Remove __VM_PMAP_HACK. 1997-10-14 15:29:50 +00:00
cjs
c44bfc9eae Make compile without DIAGNOSTIC set. 1997-10-14 06:22:02 +00:00
cjs
0e4e4777f8 Add pseudo-device rnd. 1997-10-13 06:59:58 +00:00
explorer
80513cb5ae o Make usage of /dev/random dependant on 
pseudo-device   rnd                     # /dev/random and in-kernel generator
  in config files.

o Add declaration to all architectures.

o Clean up copyright message in rnd.c, rnd.h, and rndpool.c to include
  that this code is derived in part from Ted Tyso's linux code.
 1997-10-13 00:46:08 +00:00
mycroft
9803f46796 Minor rearrangement to match other files. 1997-10-11 09:12:18 +00:00
mycroft
5c8d588138 Nuke NOOBJ. 1997-10-11 08:44:42 +00:00
mycroft
acf0e569a5 Update all the tags goo, and use bsd.subdir.mk. 1997-10-11 08:42:02 +00:00
cjs
984390f178 Add now-working ipfilter. 1997-10-10 08:54:14 +00:00
bouyer
6ab3092b11 Add byte-swapping functions (bswap16, bswap32, bswap64) to libkern. 
Only assembly version for i386 bswap16 and bswap32 for now (bswap64 uses
bswap32). Contribution of assembly versions of these are welcome.
Add byte-swapping of ext2fs metadata for big-endian systems.
Tested on i386 and sparc.
 1997-10-09 15:42:19 +00:00
thorpej
5e05593163 Implement DIOCGDEFLABEL. 1997-10-08 23:23:13 +00:00
gwr
bb2d22bde0 use common genassym.awk 1997-10-04 17:21:23 +00:00
gwr
c63931a407 use common genassym.awk 1997-10-04 17:14:07 +00:00
thorpej
92a347c574 Copyright assigned to The NetBSD Foundation. 1997-10-04 09:38:47 +00:00
christos
3996b53189 PR/4162: Chris Jones: make cleandir does not work properly; it does not 
remove the object files and the .depend file in the kernel build directory.
 1997-09-30 22:39:49 +00:00
thorpej
d65a5e7fd2 Enter DDB on cntl-alt-esc (a'la i386). 1997-09-25 02:42:47 +00:00
thorpej
ef86b9a61d Fix a small oversight in last change. 1997-09-25 02:13:44 +00:00
thorpej
0c2efd7025 Add a "scrollskip" member to wscons_emulfuncs (XXX even though it's not 
a function) which specifies how many lines will be skipped when scrolling
up when the bottom of the screen is reached.  Dumb framebuffers skip 10
lines (as before) because the copies are s ... l ... o ... w, but it's
silly to skip 10 lines on VGA, since the copies are much faster, so we
only skip one in that case.
 1997-09-25 01:31:53 +00:00
mjacob
42c325e139 A minor barely acceptable hack to handle having a kernel boot on a system 
with large amounts of memory and not spew. This doesn't really replace
fixing this problem better later, but it works for now. Basically, if memory
is greater than 128MB, start upping the sizes of some maps.
 1997-09-23 23:23:23 +00:00
mjacob
b23bbbb05c Redo the platform specific identification and initialization, making 
it more explicit where platform specific functions (like machine check
handling) should go.
 1997-09-23 23:15:42 +00:00
mjacob
03a798a3fd Add some defines for alpha interrupt types. 1997-09-20 19:02:34 +00:00
mjacob
185cbcebd0 An oops- MSS3 referred to a device not yet integrated. 1997-09-19 22:03:59 +00:00
mjacob
4de790f125 Add in a clause ifdef'd for LIMITMEM- limit usage of memory to a certain 
amount. Temporary until more drivers use busdma stuff.

Also correct to unsigned the printing out of memory sizes.
 1997-09-19 22:00:34 +00:00
mjacob
206b183a48 Add a config file for large memory 8200s- this is temporary until a 
more gracious self correcting (for large memory, e.g., > 1GB) startup happens.
 1997-09-19 21:58:47 +00:00
mjacob
0fb787aedb Add missing reference. 1997-09-19 14:48:59 +00:00
mjacob
f3d890d1c9 missing cast. 1997-09-19 14:47:33 +00:00
leo
d4713d24c2 Implement the kernel part of pr-1891. This allows for a more flexible sized 
msgbuf. Note that old 'dmesg' and 'syslogd' binaries will continue running,
though old 'dmesg' binaries will output a few bytes of junk at the start of
the buffer, and will miss a few bytes at the end of the buffer.
 1997-09-19 13:52:37 +00:00
thorpej
618f6b9541 Make IDE work again, from Ross Harvey <ross@teraflop.com>. 1997-09-19 00:59:38 +00:00
mjacob
9ce899230a After decommisioning a mapping, an IMB kinda needs to happen. 1997-09-18 01:08:56 +00:00
thorpej
cd69e27594 Prototype alpha_implver(), and fix a think-o in a previous commit. 1997-09-17 23:33:28 +00:00
thorpej
b806d39316 Implement a stub for the "implver" instruction, which returns the 
implementation version of the processor.
 1997-09-17 23:32:14 +00:00
thorpej
15e10104d5 Define the BWX-capable regions of the CIA chipset's address space (mem, 
i/o, pci config space mode 0, pci config space mode 1) and the CIA
REV and CNFG CSRs.
 1997-09-17 01:35:34 +00:00
thorpej
879c4c5cf4 If the CIA revision is >= 2, read the CIA configuration register, and 
remember its contents.  Print out a bit of information about the chip,
including whether or not it supports the EV56 BWX instructions.
 1997-09-17 01:34:18 +00:00
thorpej
ed767a2402 Fix a typo in a comment. 1997-09-16 23:12:35 +00:00
thorpej
87c1a08481 Add stubs for the Alpha Byte/Word Extension (BWX) instructions, present 
on EV56 and later processors that have the "amask BWX" bit clear.  These
instructions will be used to implement non-swizzle bus access functions
on newer systems, such as the new AlphaStation 500s with EV56 and 21172
PCI chipsets.

See "Alpha Architecture Handbook, Version 3", DEC order number EC-QD2KB-TE.
 1997-09-16 23:09:10 +00:00
thorpej
6fc0f07c30 Define the "integer miscellaneous" opcode and subfunctions. 1997-09-16 22:53:32 +00:00
thorpej
149011c65b Add support for disassembling the "integer miscellaneous" opcode subgroup. 1997-09-16 22:52:40 +00:00
is
718fb97e11 Support for the upcoming NetBSD/Amiga Hypercom driver family: 
* support chip clocks != COM_FREQ, by introducing sc_frequency (for the
  mainline code) and adding a frequency parameter right after the rate
  parameter to comcnattach() and com_kgdb_attach().
- Make com_isa and com_multi initialize sc_frequency to COM_FREQ.
- Make i386/machdep.c and alpha/dec_xxx.c call com*attach() with the freq.
  parameter.
* supio_attach_args get two more fields: a sc_ipl and a sc_arg, both ints.
- com_supio uses the first for interupt establishment (all childs will, as
  soon as they exist) and the 2nd for sc_frequency.
- drsupio passes sc_ipl alway as 5, and for the "com"s, sc_arg as 16*115200
- hyper will pass sc_ipl as 6, and sc_arg as 16 * 460800
 1997-09-16 20:34:23 +00:00
thorpej
d1b4b49231 - Use PALcode ops names defined in <machine/pal.h>. 
- Fix a few bugs in the software single-stepping support code, where
  VMS PALcode ops were being checked, rather than OSF/1 PALcode ops,
  causing erroneous results in the "exception return" and "unconditional
  branch" predicates.
- Add the BWX instructions ("ldbu", "ldwu", "stb", "stw") to the
  "load" and "store" predicates.
 1997-09-16 19:07:19 +00:00
thorpej
a14bab3438 Don't define another copy of the PALcode ops here; direct readers to 
<machine/pal.h>.
 1997-09-16 19:03:22 +00:00
thorpej
e7c2d59885 Fix an oversight in the last commit. 1997-09-16 19:02:13 +00:00
thorpej
0599db7897 - Define bits used in the "amask" instruction. 
- Define processor family IDs returned by the "implver" instruction.
- Prototype alpha_amask().
 1997-09-16 06:57:12 +00:00
thorpej
9faf00ea6a Implement alpha_amask(), a stub which reads the "architecture feature mask" 
using the "amask" instruction.
 1997-09-16 06:54:01 +00:00
thorpej
4fe999c6bf - Add the "amask" and "implver" operate subfunctions. 
- Add the "ldbu", "ldwu", "stb", and "stw" major opcodes (BWX instructions).
 1997-09-16 06:52:48 +00:00
thorpej
fc80b40481 - Rewrite the functions that provide opcode subfunction names to make it 
easier to add instructions that the disassembler doesn't know about
  (the opcode subfunction number is now printed).
- Add the "amask" and "implver" operate subfunctions.
- Add the "ldbu", "ldwu", "stb", and "stw" major opcodes (BWX instructions).
 1997-09-16 06:52:16 +00:00
thorpej
d1fbc82e28 From page 6-9 of "Alpha AXP Architecture Reference Manual, Second Edition": 
An IMB intruction must be executed after software or I/O devices
	write into the instruction stream or modify the instruction
	stream virtual address mapping, and before the new value is
	fetched as an instruction.

We were missing calls to IMB after mappings were changed, which caused
systems with large I-caches (e.g. my AlphaStation 500) to fail miserably
when mapping in new pages of program text, or when context switching
(I couldn't even get the shell from init!).
 1997-09-16 01:52:00 +00:00
thorpej
37b8edbeac In addition to MAS_ABT, check TAR_ABT when doing configuration space 
reads.  This is necessary because of newer AlphaStation firmware doing
the Wrong Thing with target aborts behind PCI-PCI bridges, much like they
do the Wrong Thing with master aborts.  Reported by Matthias Drochner.
 1997-09-15 23:31:15 +00:00
thorpej
12f6c5aba1 Make sure to clear MAS_ABT if we received one. 1997-09-15 23:01:29 +00:00
thorpej
3c3c6a3b31 Use the symbolic name for "received master abort". 1997-09-15 22:35:54 +00:00
thorpej
8ff22715e8 Define bits in the CIA_ERR register. 1997-09-15 22:34:38 +00:00
thorpej
e97c5f6c50 Update the model string for current reality. 1997-09-13 10:09:39 +00:00
thorpej
9a5f8236b5 Don't panic if we receive a Processor Correctable Error or a System 
Correctable Error; report them, instead.

XXX Need a platform-specific machine check handler so we can decode the
logout area on such errors.
 1997-09-13 10:01:33 +00:00
thorpej
12b0c2a20a The Alpha console uses BOOTP for network booting, so the NetBSD kernel 
should, too.  Enable the BOOTP support in nfs_boot().
 1997-09-13 07:42:01 +00:00
thorpej
f784e8dc15 Apparently, new AlphaStation 500/600 firmware has the same problem with 
PCI master aborts as eb164 firmware, so use the same workaround mechanism
on all system types (clear error register's master abort bit, and check
it after accessing configuration space), not just eb164's.

This also fixes a bug on eb164's - when making the Alpha port compile
again, I made an error that caused this to not be used on eb164 systems,
either.  Thanks to Matt Jacob for pointing out this goof.
 1997-09-13 05:58:07 +00:00
mycroft
16a8787248 Fix execve(2) and *setregs() interfaces so emulations can set registers in a 
more correct way.  (See tech-kern.)
 1997-09-11 23:01:44 +00:00
drochner
969e506de4 Oops, last change made "make depend" work incompletely. Don't define 
a "depend" rule here.
 1997-09-06 14:26:47 +00:00
drochner
281398581a -Wall fixes 1997-09-06 14:08:27 +00:00
drochner
3b191b29c0 enable -Wall 1997-09-06 14:07:57 +00:00
drochner
be8a78e9b5 -use DHCP extensions in bootp() 
-enable -Wall
 1997-09-06 14:06:53 +00:00
drochner
80d9738db8 -Wall fixes 1997-09-06 14:03:55 +00:00
drochner
d99aa8efc0 Collect prototypes here. 1997-09-06 14:02:51 +00:00
drochner
7546d66094 Make sure the <machine/*.h> includes come from current kernel sources, 
not from installed userland.
 1997-09-06 14:02:13 +00:00
thorpej
ed2ec4869c Update for Chris Demetriou's changes made to the bus.h interface: 
- bus_space_copy -> bus_space_copy_region (for consistency)
- "cacheable" argument becomes a "flags" argument instead, with
  BUS_SPACE_MAP_CACHEABLE and BUS_SPACE_MAP_LINEAR flags currently
  defined.
 1997-09-06 05:44:07 +00:00
thorpej
1aa35e94d4 s/BUS_BARRIER/BUS_SPACE_BARRIER/g 1997-09-06 05:21:14 +00:00
thorpej
613ee19c60 Add DDB. 1997-09-06 02:04:18 +00:00
thorpej
1f6a8f7d03 Enable DDB. 1997-09-06 02:03:32 +00:00
thorpej
66fdddf6aa Add DDB files. 1997-09-06 02:03:11 +00:00
thorpej
9dcf694bd2 Prototype db_register_value(). 1997-09-06 02:02:25 +00:00
thorpej
998d79d26a Add support for DDB (in-kernel debugger) to NetBSD/alpha, based on 
such code for Mach 3's Alpha port.  Initially reworked for NetBSD/alpha
by Chris Demetriou, and then heavily hacked on by me.  Works, but is still
a little rough around the edges.  Known problems:

- Error recovery could be improved a bit.
- Back traces don't work.
- Single-stepping can be flaky, at times.  (Alpha doesn't have hardware
  support for single-stepping, and I'm not entirely convinced the
  MI DDB software-emulated single-stepping logic is 100% correct.)
- Logic for when to drop into DDB needs some improvement.
 1997-09-06 02:00:48 +00:00
thorpej
36f209b762 Split off PALcode functions into their own header file. 1997-09-06 01:23:52 +00:00
thorpej
7df7a43ce7 When loading a symbol section, make sure it is aligned. 1997-09-05 21:50:34 +00:00
thorpej
ba8becebfc installbood_cd9660 no longer exists. 1997-09-05 20:20:17 +00:00
thorpej
2f657a6266 Add some debugging code to log sgmap activities. Also, make sure that 
we return "no valid mappings" if there is an error while loading the
sgmap.
 1997-09-05 02:21:49 +00:00
thorpej
2ecccdc05f Define Status 0 and Status 1 registers. 1997-09-05 02:14:31 +00:00
thorpej
55800b610a Implement bus_dmamem_mmap(). 1997-09-05 02:05:37 +00:00
thorpej
6f4f08b8b2 Add a few more PALcode operations, as documented in pages (II-B) 2-1 through 
(II-B) 2-33 of the Alpha AXP Architecture Reference Manual, Second Edition:

* rdps - Read Processor Status, needed by spl* functions.
* cflush - Cache Flush
* rdval - Read System Value
* wripir - Write Interprocessor Interrupt Request
* wrval - Write System Value

cflush, rdval, wripir, and wrval are used in multi-processor environments.
 1997-09-03 23:09:04 +00:00
thorpej
032358ab33 From hp300 pmap: use mycroft's pv_entry allocator (from i386 port). 1997-09-03 19:07:32 +00:00
thorpej
f03ded039c Update from hp300 pmap: define an active_user_pmap() macro and use it. 1997-09-03 00:58:13 +00:00
thorpej
0f5f0e115a Define a cdev_satlink_init(). XXX This should be done in an MI header file. 1997-09-03 00:25:01 +00:00
thorpej
6cf58542f9 PMAP_{,DE}ACTIVATE() are no longer exported from the Utah-derived pmap. 1997-09-02 23:52:55 +00:00
thorpej
243aa23148 Add __KERNEL_RCSID() and definitions for ISA satlink driver. 1997-09-02 23:41:04 +00:00
thorpej
44e33a2f5f Update for changes to how bus space tags are initialized. 1997-09-02 20:43:07 +00:00
thorpej
90798596fe Remove references to vm_pmap. 1997-09-02 20:37:23 +00:00
thorpej
e7bb7bdc4b Remove references to vm_pmap. 1997-09-02 20:11:24 +00:00