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254 Commits

Author SHA1 Message Date
thorpej 855b79db92 Let each platform typedef the new __cpu_simple_lock_t, which should 
be the most efficient type used for the atomic operations in the
simplelock structure, and should also be __volatile.
 2000-05-02 04:41:04 +00:00
thorpej f51470a514 Require that each each MACHINE/MACHINE_ARCH supply a lock.h. This file 
contains the values __SIMPLELOCK_LOCKED and __SIMPLELOCK_UNLOCKED, which
replace the old SIMPLELOCK_LOCKED and SIMPLELOCK_UNLOCKED.  These files
are also required to supply inline functions __cpu_simple_lock(),
__cpu_simple_lock_try(), and __cpu_simple_unlock() if locking is to be
supported on that platform (i.e. if MULTIPROCESSOR is defined in the
_KERNEL case).  Change these functions to take an int * (&alp->lock_data)
rather than the struct simplelock * itself.

These changes make it possible for userland to use the locking primitives
by including <machine/lock.h>.
 2000-04-29 03:31:45 +00:00
tsubai be4988ee6d Make kernel profiling work. 2000-04-18 17:06:01 +00:00
tsubai c1acffff5c When call a signal handler, don't pass the kernel (local) address in r5. 2000-04-03 10:23:24 +00:00
minoura 78b105698a Move dl* function definitions to libc on ELF. 
Based on the patch supplied by Takuya Shiozaki <tshiozak@astec.co.jp>.
See http://mail-index.netbsd.org/tech-userlevel/2000/02/23/0000.html.
 2000-04-02 15:35:47 +00:00
jdolecek fde0c4e6e0 Prototype vtophys() before defining it. Needed for compilation with 
-Wstrict prototypes on macppc.

Problem noted by  Hans-Christian Becker <hcb@phc.chalmers.se> in private mail.
 2000-03-30 16:18:24 +00:00
kleink 230876cf26 Merge parts of chs-ubc2 into the trunk: 
* Remove the casts to vaddr_t from the round_page() and trunc_page() macros to
  make them type-generic, which is necessary i.e. to operate on file offsets
  without truncating them.
* In due course, cast pointer arguments to these macros to an appropriate
  integral type (paddr_t, vaddr_t).

Originally done by Chuck Silvers, updated by myself.
 2000-03-26 20:42:21 +00:00
tron e86957458a Install "machineendian_machdep.h". 2000-03-17 22:36:31 +00:00
mycroft 9e21b6555a In the `MY THAT'S GROSS' department... 
Eliminate the recursive include of machine/endian.h from sys/endian.h.
 2000-03-17 00:09:18 +00:00
mycroft 02905321b2 Foolish consistency. Mainly, always use underscores and sys/endian.h. 2000-03-16 15:09:34 +00:00
kleink ad7dbd825c Define ISO C99 (unsigned) long long (min, max) symbols. 2000-03-07 19:33:00 +00:00
tsubai 0086d842d5 Rewrite stdarg/varargs. 2000-02-27 17:50:20 +00:00
chs 0e4b23600f handle a NULL "done" pointer. 
for the userspace versions, return EFAULT instead of EACCES
when the user address is bogus.
 2000-02-19 23:29:16 +00:00
tsubai e7edda84b7 Remove vmparam.h. 2000-02-18 08:50:25 +00:00
tsubai a6343f76db Unused. (PR 9424) 2000-02-16 14:02:13 +00:00
thorpej fd8c03cf44 Allow arch-specific code to specify in4_cksum() like it can specify 
in_cksum().
 2000-02-14 21:42:50 +00:00
tsubai 90fe757934 Fix typo in comment. 2000-02-13 10:25:07 +00:00
thorpej dded044fc2 Update for the NKMEMPAGES changes. 2000-02-11 19:25:12 +00:00
tsubai 0867c09dad Change va_arg definition when __lint__ is defined. 2000-02-09 12:54:47 +00:00
kleink 36e6bc645e Improve namespace test macros a bit. 2000-02-05 14:04:36 +00:00
kleink 82464e46d6 Add a C99-style va_copy macro. 2000-02-03 16:16:06 +00:00
sommerfeld aa195e816f Fix PR9240: comment above cpu_fork() out of synch with reality on most ports. 
(comment change only, but was wrong for more than just i386).
 2000-01-20 22:18:54 +00:00
danw 6c14ba0dba Fill in the alignment trap handler a bit: now it can fix unaligned 
floating point loads and stores (to work around a gcc bug), but will
still cause a bus error on other sorts of unaligned accesses.
 2000-01-19 03:30:12 +00:00
kleink 693059feda const -> __const and include <sys/cdefs.h> earlier; fixes PR lib/9052 
by Takahiro Kambe.
 2000-01-04 14:20:05 +00:00
kleink 11e6c54cfc C99: Define a NAN macro in <math.h> which evaulates to a constant expression of 
a single-precision quiet NaN; only to be defined on platforms that do support
this value.
 1999-12-23 10:15:05 +00:00
thorpej 8fc6795a77 - Comment the BAT bits. 
- Add defintions for the PowerPC 601 BATs.
- Change the BATU()/BATL() macros to be a bit more flexible; allow size,
  permissions, etc. to be specified.
 1999-12-18 01:36:06 +00:00
thorpej 05684a14e6 Comment the MSR bits, and note which ones are not present on the PowerPC 601. 1999-12-18 01:34:15 +00:00
thorpej 0352041467 Hardware Implementation Dependent registers for the PowerPC 601. 1999-12-18 01:33:45 +00:00
danw 83f1c31647 Fix "FPCSR" to "FPSCR". ("Floating Point Status and Control Register") 1999-12-07 15:14:56 +00:00
ragge 0513268399 CL* discarding. 1999-12-04 21:13:19 +00:00
tsubai 668b553d53 Need opt_compat_netbsd.h. 1999-11-22 13:26:59 +00:00
lonhyn 090c4d2e66 Program to convert back and forth between PPM and CHRP boot icon images. 1999-11-19 00:43:20 +00:00
kleink eac5784583 Move signal management code common to all PowerPC platforms (sendsig(), 
sigreturn(), sigcode) to a single place in the shared powerpc directory.
(The struct sigcontext etc. definitions were already being shared.)
 1999-11-17 14:56:10 +00:00
thorpej 1946167939 Update for pmap_enter() API change. No functional difference. 1999-11-13 00:30:26 +00:00
kleink 522cbf0248 Update to match new SVR4-style definition names in <sys/exec_elf.h>. 1999-10-25 13:55:06 +00:00
jdolecek 7f589dba84 rename the MD Debugger() to cpu_Debugger() 
add MI Debugger() which switches to console if wscons is used prior
to calling cpu_Debugger()
 1999-10-12 17:08:56 +00:00
chs 3bfa86cbc0 fix breakage from PMAP_NEW cleanup. 1999-09-14 17:11:45 +00:00
chs f3a668ed84 eliminate the PMAP_NEW option by making it required for all ports. 
ports which previously had no support for PMAP_NEW now implement
the pmap_k* interfaces as wrappers around the non-k versions.
 1999-09-12 01:16:55 +00:00
tsubai 30e635f6f3 Make sure that we use only inside of available memory region 
in pmap_bootstrap.
 1999-08-30 07:59:19 +00:00
simonb 3c185af5fd Include <sys/endian.h> after defining whether where are little- or 
big-endian.  i386, pc532 and vax still include <machine/byte_swap.h>
and define macros for the {n,h}to{h,n}*() functions.  mips also
defines some endian-independent assembly-code aliases for unaligned
memory accesses.
 1999-08-21 05:53:50 +00:00
simonb 06a92524c2 Include <sys/bswap.h> for function prototypes. i386, pc532 and vax 
still include <machine/byte_swap.h> and define macros for some of
the bswap*() functions.
 1999-08-21 05:39:51 +00:00
tsubai 183ef12cd5 Adapt pmap_extract() change. 1999-07-11 17:44:08 +00:00
thorpej 3ebbe095e0 Change the pmap_extract() interface to: 
boolean_t pmap_extract(pmap_t, vaddr_t, paddr_t *);
This makes it possible for the pmap to map physical address 0.
 1999-07-08 18:05:21 +00:00
danw 9d4f4eebdb reorder the fp_rnd constants to match the values used by the 
powerpc fpu
 1999-07-07 01:52:26 +00:00
thorpej 0288ffb53a pmap_change_wiring() -> pmap_unwire(). 1999-06-17 19:23:20 +00:00
thorpej f5a527bb4e Remove pmap_pageable(); no pmap implements it, and it is not really useful, 
because pmap_enter()/pmap_change_wiring() (soon to be pmap_unwire())
communicate the information in greater detail.
 1999-06-17 18:21:21 +00:00
thorpej beb8d06638 Generally update the comment above vunmapbuf(). 1999-05-26 22:19:33 +00:00
thorpej a2d06a4721 Generally update the comment above the vmapbuf() implementations. 1999-05-26 22:07:36 +00:00
thorpej c10a926030 Allow the caller to specify a stack for the child process. If NULL, 
the child inherits the stack pointer from the parent (traditional
behavior).  Like the signal stack, the stack area is secified as
a low address and a size; machine-dependent code accounts for stack
direction.

This is required for clone(2).
 1999-05-13 21:58:32 +00:00
tsubai 0e57d44e45 Add missing CPU_MAXID definition. 1999-05-05 11:20:54 +00:00