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327 Commits

Author SHA1 Message Date
thorpej cc2c493bc4 Use PAGE_SIZE rather than NBPG. 2003-04-02 07:35:54 +00:00
thorpej a50e3bc1cb Merge the nathanw_sa branch. 2003-01-17 22:58:53 +00:00
thorpej 78ea2dd367 Use __LDPGSZ (which must be == USRTEXT) as the text address for a.out 
executables, and eliminate the USRTEXT constant, which was only used
by the a.out exec code.
 2002-12-10 05:14:24 +00:00
lukem 0635de35a3 Remove KDIR=, since SYS_INCLUDE=symlinks and KDIR are not supported any more. 2002-11-26 23:30:07 +00:00
chs 6348674004 merge pmap.h for all 4k-page motorola-MMU (or compatible) m68k platforms. 2002-11-03 19:56:27 +00:00
chs c28a94e9e1 untangle includes a bit: 
don't include cpu.h in pmap.h, nor cacheops.h in cpu.h.  instead,
include cpu.h and cacheops.h in just those .c files that need them.
 2002-10-28 00:55:13 +00:00
chs cb76676a56 merge pte.h for m68k w/ motorola or compatible MMU 
(only 4k-page platforms so far).
 2002-10-14 05:18:45 +00:00
chs c081614ea2 it really helps to get the stub right before cutting + pasting it 27 times. 
alas, I did not.  doh.
 2002-09-22 07:53:39 +00:00
chs 55e1f79335 add pmap_remove_all() hook (empty on most platforms so far). 2002-09-22 07:17:08 +00:00
briggs 0b956d0b8b Implement pmc(9) -- An interface to hardware performance monitoring 
counters.  These counters do not exist on all CPUs, but where they
do exist, can be used for counting events such as dcache misses that
would otherwise be difficult or impossible to instrument by code
inspection or hardware simulation.

pmc(9) is meant to be a general interface.  Initially, the Intel XScale
counters are the only ones supported.
 2002-08-07 05:14:47 +00:00
scw bef00d4895 m68k syscall rototill: 
- Switch all m68k-based ports over to __HAVE_SYSCALL_INTERN.
 - Add systrace glue.
 - Define struct mdproc in <m68k/proc.h> instead of <machine/proc.h>.
   (They were all defined exactly the same anyway, other than a couple
   of the MDP_* flags.)
 2002-07-13 08:28:40 +00:00
scottr c3abd2f233 From John Klos, originally committed to the amiga port: 
Updated NKMEMPAGES_MAX_DEFAULT so that large memory systems won't crash
when allocating/deallocating lots of memory at once.
 2002-05-20 05:28:11 +00:00
briggs 648cd86d69 Use m68k/m68k/cacheops.[ch] 
Use m68k/m68k/bus_dma.c
	- Add mainbus_attach_args with bus_space_tag_t and bus_dma_tag_t.
	- Use passed-in tags for nubus scan.
 2002-04-10 04:38:48 +00:00
briggs c5b80e7823 Constify bus_space_write_multi_N() and bus_space_write_region_N(). 
Addresses PR port-mac68k/16233.
 2002-04-09 01:53:47 +00:00
atatat 31144d9976 Convert ioctl code to use EPASSTHROUGH instead of -1 or ENOTTY for 
indicating an unhandled "command".  ERESTART is -1, which can lead to
confusion.  ERESTART has been moved to -3 and EPASSTHROUGH has been
placed at -4.  No ioctl code should now return -1 anywhere.  The
ioctl() system call is now properly restartable.
 2002-03-17 19:40:26 +00:00
shiba db5d1f5f34 Add the machine id of PowerBook 190CS. 2002-03-04 16:58:37 +00:00
simonb 4324f37586 Use "#define<tab>". 2002-02-28 03:17:23 +00:00
kleink e5341ee40f No point in installing svr4_machdep.h. 2001-11-28 13:14:12 +00:00
chs 8f0070db30 prepare for ELF: 
- add "%" prefix to register names in assembly code.
 - use _C_LABEL() where necessary.
 - use packed structures where necessary to match the old ABI.
 2001-11-20 03:19:41 +00:00
soren 662f877587 MAXSLP is defined to be a machine-independent scheduling parameter, 
so move it into sys/param.h.
 2001-11-15 18:06:11 +00:00
briggs c477d3ad28 Define __BUS_SPACE_HAS_STREAM_METHODS since the functions are there. Noted 
on tech-kern & port-mac68k by "John Ruschmeyer" <jruschme@mac.com>.
 2001-09-14 00:58:08 +00:00
chris 0e7661f023 Update pmap_update to now take the updated pmap as an argument. 
This will allow improvements to the pmaps so that they can more easily defer expensive operations, eg tlb/cache flush, til the last possible moment.

Currently this is a no-op on most platforms, so they should see no difference.

Reviewed by Jason.
 2001-09-10 21:19:08 +00:00
simonb 023bdd2bf2 Use comments around the token after a #endif. 2001-08-31 04:44:54 +00:00
mrg 67afbd6270 use _KERNEL_OPT 2001-05-30 11:57:16 +00:00
chs e44e9dec8a replace vm_page_t with struct vm_page *. 2001-05-26 21:27:02 +00:00
chs 118ddca24a replace {simple_,}lock{_data,}_t with struct {simple,}lock {,*}. 2001-05-26 16:32:40 +00:00
kleink a7d0606917 Cosmetical oversight. 2001-05-06 20:25:28 +00:00
thorpej cf67ac7122 Per discussion w/ chuck and chuck, restructure the md page stuff 
to use a structure called "vm_page_md", and use __HAVE_VM_PAGE_MD
and __HAVE_PMAP_PHYSSEG.
 2001-05-01 02:19:13 +00:00
thorpej 2b27ac7a99 Add a VM_MDPAGE_MEMBERS macro that defines pmap-specific data for 
each vm_page structure.  Add a VM_MDPAGE_INIT() macro to init this
data when pages are initialized by UVM.  These macros are mandatory,
but ports may #define them to nothing if they are not needed/used.

This deprecates struct pmap_physseg.  As a transitional measure,
allow a port to #define PMAP_PHYSSEG so that it can continue to
use it until its pmap is converted to use VM_MDPAGE_MEMBERS.

Use all this stuff to eliminate a lot of extra work in the Alpha
pmap module (it's smaller and faster now).  Changes to other pmap
modules will follow.
 2001-04-29 22:44:31 +00:00
thorpej 69abdbf60c Undo a misguided previous change to the pmap_update() API. 2001-04-22 23:19:26 +00:00
thorpej 4738622712 Give pmap_update() an argument (a pmap_t) so that it knows which 
pmap it should be updating.
 2001-04-22 00:33:59 +00:00
thorpej 7f10ba88b1 #define away pmap_update() in <machine/pmap.h> so that no function 
call overhead is incurred as we start sprinkling pmap_update() calls
throughout the source tree (no pmaps currently defer operations, but
we are adding the infrastructure to allow them to do so).
 2001-04-21 23:51:14 +00:00
kleink f06533a1ee Add definitions of C99 integer format conversion macros. 
XXX Fastest minimum-width integer types haven't been decided upon yet.
 2001-04-15 17:13:04 +00:00
kleink 739cb75837 Add definitions of C99 specified-width integer type limits. 
XXX Fastest minimum-width integer types haven't been decided upon yet.
 2001-04-15 15:29:02 +00:00
kleink cdcf9f46c5 Add definitions of C99 integer constant macros. 
Tidy Makefiles up a little.
 2001-04-14 22:46:19 +00:00
kleink a7c20e5788 Add definitions of C99 integer constant macros. 2001-04-14 22:38:33 +00:00
kleink 7affdab52e Add definitions of C99 minimum-width and greatest-width integer types. 
XXX Fastest minimum-width integer types haven't been decided upon yet.
 2001-04-14 12:19:49 +00:00
thorpej bf2dcec4f5 Remove the use of splimp() from the NetBSD kernel. splnet() 
and only splnet() is allowed for the protection of data structures
used by network devices.
 2001-04-13 23:29:55 +00:00
thorpej d85a75f583 Make sure everybody has an splvm() and equate it with splimp() (splimp() 
is the historical name for this interrupt level, and the historical name
is going to go away in the near future).
 2001-01-14 02:00:37 +00:00
scw 4350a7f2b7 Unification of the m68k syscall() function. 2000-12-19 21:09:54 +00:00
tsutsui a8fdbdec1c Remove unused pcbb() macro. 2000-12-01 17:57:43 +00:00
thorpej 9f60ecd809 We use 4K pages on the mac68k. Make PAGE_SIZE and friends into 
compile-time constants.
 2000-11-14 19:07:34 +00:00
thorpej 4db6fc7542 Make need_resched() take a "struct cpu_info *" argument. This 
causes gives a primitive form of processor affinity.  Its use in
roundrobin() still needs some work.
 2000-08-25 01:04:06 +00:00
thorpej 58e7a6954b Add spllock(). See spl(9) for details. 2000-08-22 19:46:26 +00:00
briggs 3ce3697584 Add bus_space_*_stream_N functions. 2000-07-31 22:40:25 +00:00
briggs 2cc07c0541 Add a DIAGNOSTIC panic if (count-using) bus_space macros are called with 
a count of zero.  Some drivers do this accidentally and some bus_space
implementations will fail if count is passed as zero (they are set up in
a do-{}-while structure).
 2000-07-31 14:59:15 +00:00
briggs f5882c7ffa Make sure that bus_space read/write functions that take a count will not be 
called if count is zero.  The smc91cxx driver, for example, may try to call
bus_space_write_multi_2() with a count of 0.
 2000-07-30 23:17:23 +00:00
briggs 2f76646af1 Some uncommitted poking around. No functional change. 2000-07-30 21:48:54 +00:00
briggs 9c85d4dc6a Add byte-swap and stride options to bus_space. Allocate as normal, then 
call mac68k_bus_space_handle_swapped() or mac68k_bus_space_handle_set_stride().
Stride is untested.  Swapped code works for SMC ethernet.
 2000-07-30 21:38:02 +00:00
kleink e695f72a2e Add <machine/int_types.h>, which provides namespace-pure definitions 
of exact-width integer types.
 2000-06-26 15:42:16 +00:00