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242 Commits

Author SHA1 Message Date
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
tsubai
6168467392 Add cpu.h. 1999-05-05 10:15:53 +00:00
tsubai
fdabab77f2 PT_{STEP,GETREGS,SETREGS} support. 1999-05-03 10:02:19 +00:00
kleink
5cbe23baad Garbage-collect VM_MBUF_SIZE leftover. 1999-05-02 18:12:32 +00:00
ws
5423093850 Modify syncicache on PowerPC from an inline to a real function. 
Support different cache line sizes with the same object code in userland.
While here, move the function to implementation name space.
 1999-04-17 21:16:45 +00:00
thorpej
4b603c180a Use the same hack as pmap_zero_page() and pmap_copy_page() to provide 
direct-mapped pool pages.
 1999-04-16 21:45:19 +00:00
chs
f455dd6596 add a `flags' argument to uvm_pagealloc_strat(). 
define a flag UVM_PGA_USERESERVE to allow non-kernel object
allocations to use pages from the reserve.
use the new flag for allocations in pmap modules.
 1999-04-11 04:04:04 +00:00
mycroft
9c6b797796 Changes for modified pmap_enter() API: 
* Map the message buffer with access_type = VM_PROT_READ|VM_PROT_WRITE `just
  because'.
* Map the file system buffers with access_type = VM_PROT_READ|VM_PROT_WRITE to
  avoid possible problems with pagemove().
* Do not use VM_PROT_EXEC with either of the above.
* Map pages for /dev/mem with access_type = prot.  Also, DO NOT use
  pmap_kenter() for this, as we DO NOT want to lose modification information.
* Map pages in dumpsys() with VM_PROT_READ.
* Map pages in m68k mappedcopyin()/mappedcopyout() and writeback() with
  access_type = prot.
* For now, bus_dma*(), pmap_map(), vmapbuf(), and similar functions still use
  access_type = 0.  This should probably be revisited.
 1999-03-26 23:41:25 +00:00
tsubai
82b3b0209f In copyin() and copyout(), clear the pcb_onfault variable in the EFAULT 
case. (pr 7243)
 1999-03-26 08:32:15 +00:00
tsubai
38a92c9752 A successful kernel page fault should just return so that signal delivery 
et al. should not executed.  (pr7240)
 1999-03-26 08:15:23 +00:00
mrg
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
thorpej
63b6321834 VM_MBUF_SIZE is in terms of MCLBYTES, not CLBYTES. 1999-03-23 00:31:59 +00:00
chs
31839fe71d fix previous, I got carried away with cut+paste. 1999-03-22 08:44:37 +00:00