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5dd4815be9
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18910 Commits

Author SHA1 Message Date
cgd
5dd4815be9 uh, get the port name consistently correct (NetBSD/alpha, not NetBSD/Alpha) 1999-05-26 06:22:03 +00:00
nisimura
1922144399 - Remove now obsolete function declaration. 1999-05-26 04:27:27 +00:00
nisimura
d7a56fd7fa - Continue on branch merge, incrementally. 
- Catch up filename changes escaped to be fixed.
 1999-05-26 04:23:58 +00:00
thorpej
40aacb6eb5 No longer need to pmap_modified_emulation() in cpu_swapin(), since 
uvm_fault_wire() does the right thing with access_type.

XXX Was there a bug here?  pmap_modified_emulation() *wasn't* done in
XXX cpu_fork()!!
 1999-05-26 00:40:20 +00:00
thorpej
32de988d29 No longer need to pmap_emulate_reference() in cpu_fork() or cpu_swapin(), 
since uvm_fault_wire() does the right thing with access_type.
 1999-05-26 00:37:40 +00:00
thorpej
5b897f96c5 msgbuf doesn't need VM_PROT_EXEC. 1999-05-25 23:31:14 +00:00
thorpej
ed0aee1190 When mapping bus space, we can use pmap_kenter_pa(), since the pages 
are never managed.
 1999-05-25 23:30:27 +00:00
thorpej
774ceea703 msgbuf doesn't need VM_PROT_EXEC, biostramp does. 1999-05-25 23:19:00 +00:00
thorpej
5832084eaf bus_dmamem_map() maps DMA safe memory, which is usually one or more 
managed pages, into KVA space.  Since the pages are managed, we should
use pmap_enter(), not pmap_kenter_pa().

Also, when entering the mappings, enter with an access_type of
VM_PROT_READ | VM_PROT_WRITE.  We do this for a couple of reasons:

	(1) On systems that have H/W mod/ref attributes, the hardware
	    may not be able to track mod/ref done by a bus master.

	(2) On systems that have to do mod/ref emulation, this prevents
	    a mod/ref page fault from potentially happening while in an
	    interrupt context, which can be problematic.

This latter change is fairly important if we ever want to be able to
transfer DMA-safe memory pages to anonymous memory objects; we will need
to know that the pages are modified, or else data could be lost!

Note that while the pages are unowned (i.e. "just DMA-safe memory pages"),
they won't consume any swap resources, as the mappings are wired, and
the pages aren't on the active or inactive queues.
 1999-05-25 23:14:03 +00:00
thorpej
f197609d93 Add some DIAGNOSTIC checks for inconsistent use of pmap_enter/pmap_kremove. 1999-05-25 20:33:33 +00:00
thorpej
986c3eca39 Fix some major locking protocol issues related to pmap_kremove() having 
to deal with PG_PVLIST mappings; it no longer has to.  Add some DIAGNOSTIC
checks for inconsistent use of pmap_enter/pmap_kremove.
 1999-05-25 20:32:29 +00:00
nisimura
fec53c08d6 - Use dev_name2blk[] array prepared by config(8) instead of handcrafting 
local data.
 1999-05-25 09:32:27 +00:00
nisimura
058f5a1517 - Continue to import a development branch. 
- Minor formatting fix.
 1999-05-25 07:37:08 +00:00
nisimura
014ba724c0 - Rework spl(9) implementation. Use _spl*() processor mask manipulating 
routines now reside in locore.S.  No functional difference is expected.
- Replace abused splx() abuse with _splset() to change MIPS processor
interrupt mask bit.  'mips/trap.c' side will be fixed soon.
 1999-05-25 04:17:57 +00:00
thorpej
cba22525ce Fix some broken packet length checks. Really (no, I mean really) works now 
after the ether_input() changes -- tested on my Quadra 650.
 1999-05-24 21:53:42 +00:00
thorpej
5dec34efed The kernel pmap can be accessed (and locked!) while in an interrupt 
context, so we must block interrupts which may cause memory allocation
before asserting the kernel pmap's lock.  Put this all in PMAP_LOCK()
and PMAP_UNLOCK() macros to make it easier.
 1999-05-24 20:11:58 +00:00
ragge
ad1db202f7 bus.h'ify more of the vax code. 1999-05-24 20:10:30 +00:00
thorpej
e8beb9bbe8 Make this compile again. 1999-05-24 18:40:48 +00:00
thorpej
8c2d5c6fd3 Let the caller decide what to do if pmap_physpage_alloc() fails. 1999-05-24 01:35:54 +00:00
mrg
1bd01d4677 pull struct strbuf + defines into iommureg.h. properly merge previous commit. 1999-05-24 00:25:31 +00:00
ragge
0354feab8e Make this file compile again. 1999-05-23 23:06:24 +00:00
ragge
373e7cc828 Rewrite the "emulate page reference bits" code to avoid a bunch of 
pv_lists traversal and unneccessary page faults.
 1999-05-23 23:03:44 +00:00
ragge
539f825799 Better and more understandable way to find out CPU type. 1999-05-23 22:56:53 +00:00
thorpej
c1eb28c237 Make the list of all pmaps LRU-ordered, and update a comment regarding 
locking.
 1999-05-23 22:37:02 +00:00
ragge
6c98e1bae7 Routine to figure out which system type is booted. 1999-05-23 22:00:43 +00:00
ragge
f1fc4934a3 Use common routines to identify cpu type. 
Set up a SCB to be able to handle clock interrupts in the boot program.
Now timer countdown should work on all types of vaxen.
 1999-05-23 21:58:19 +00:00
ad
080560c8c6 - Setting initial position of cursor is up to caller. 
- Set cursor position properly for SPARC. From Juergen Hannken-Illjes.
 1999-05-23 17:59:39 +00:00
thorpej
2102d5a17e Save ourselves some work in some pv list traversal functions; keep a pointer 
to the PTE that maps the page in the pv_entry so that we don't have to
compute it from the pmap/va.
 1999-05-23 17:49:07 +00:00
thorpej
5d48eed96a Implement pv_entry stealing for the case when a pool page cannot be 
allocated for one.
 1999-05-23 16:54:43 +00:00
mrg
09619f1942 KNF nit. 1999-05-23 11:41:39 +00:00
mrg
b2934b386d UVM is not an option these days. 1999-05-23 11:08:01 +00:00
mrg
ae1a84a61f place iommu definitions in iommureg.h 1999-05-23 07:24:02 +00:00
eeh
193cc31772 Separate out the generic console handling from zs.c 1999-05-23 02:46:35 +00:00
eeh
92ad9c4080 Start putting in hooks for non-zs console devices. 1999-05-23 02:45:19 +00:00
eeh
f1066c97ad If the zs has not yet attached use the PROM for console input. 1999-05-22 20:34:56 +00:00
eeh
60b89ebf96 Well, looks like the MI allocsys() broke the dvmamap, so instead of using a 
single map move it to the bus controller driver so each bus can handle its own
IOMMU without conflicts.
 1999-05-22 20:33:55 +00:00
eeh
bb0f8ef559 Fix OF_stdin() to return "stdin" not "stdout" so we really can get console input. 1999-05-22 20:30:54 +00:00
eeh
35d96171e7 Fix bus_type_t properly and enable ASI accesses for bus_space_{read,write}*() 1999-05-22 20:28:22 +00:00
eeh
56b080bed6 Fixup argument confusion to __asm() statements. long long is two registers 
wide in 32-bit mode.  Doh!.
 1999-05-22 20:25:49 +00:00
scw
7c6d40745a Double the value for NKMEMCLUSTERS, to allow more KVA for LFS et al. 1999-05-22 16:37:03 +00:00
nisimura
10d1acd4ea - Backout the last code change. I found it broke pmax kernel. It's 
retained for future use of pmap.new.c, though.

> New codes always use current ASID holded in EntryHi register.
 1999-05-22 02:35:35 +00:00
thorpej
66324de865 Use the pool allocator for pv_entry structures. Set a (patchable/config'able) 
low water mark on the pool, so we have some chance of crawling along in
extreme memory shortages.
 1999-05-21 23:07:59 +00:00
thorpej
ed4224c64e Fix a couple of problems from the ether_input() change: 
- Make it compile again, with BPF.
- Don't subtract the Ethernet header length from the total packet length.
- Copy the alignment fix from sys/dev/ic/i82586.c (though the m68k shouldn't
  really be affected).
 1999-05-21 21:48:28 +00:00
thorpej
a79a728c6c Copy alignment fix from dev/ic/i82586.c (Um, this extra copy should die, 
too, but at least it's not as bad as the podulebus ie driver).
 1999-05-21 21:33:59 +00:00
thorpej
87a9ee7804 Copy alignment fix from dev/ic/i82586.c (Um, this copy of the driver 
needs to die, pretty please.)
 1999-05-21 21:31:37 +00:00
minoura
f4316c1145 Tribial optimizations. 1999-05-21 15:32:38 +00:00
minoura
1567b0074d Sync GENERIC. 1999-05-21 15:15:33 +00:00
minoura
fcb74cccfa Remove experimental/buggy options. 1999-05-21 15:08:27 +00:00
nisimura
fd243bd393 - Redefine symbols and parameters to represent CPU design with MIPS 
nomenclature, retaining the old heritage.
- Remove API-related definitions for now obsolete utiltity routines.
 1999-05-21 06:37:39 +00:00
nisimura
e5ecc1bc87 - Typos, I made... 1999-05-21 06:36:37 +00:00