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103 Commits

Author SHA1 Message Date
Bruce Evans
4c56fcdead Removed the cast to a pointer in the definition of PS_STRINGS and 
adjusted related casts to match (only in the kernel in this commit).
The pointer was only wanted in one place in kern_exec.c.  Applications
should use the kern.ps_strings sysctl instead of PS_STRINGS, so they
shouldn't notice this change.
 1998-12-16 16:28:58 +00:00
KATO Takenori
e4a8d41703 Sync with sys/i386/i386/machdep.c revision 1.317. 1998-12-11 08:04:33 +00:00
KATO Takenori
9ad861edee - For some old Cyrix CPUs, %cr2 is clobbered by interrupts. This 
problem is worked around by using an interrupt gate for the page
   fault handler.  This code was originally made for NetBSD/pc98 by
   Naofumi Honda <honda@kururu.math.sci.hokudai.ac.jp> and has already
   been in PC98 tree.  Because of this bug, trap_fatal cannot show
   correct page fault address if %cr2 is obtained in this function.
   Therefore, trap_fatal uses the value from trap() function.
-  The trap handler always enables interruption when buggy application
   or kernel code has disabled interrupts and then trapped.  This code
   was prepared by Bruce Evans <bde@FreeBSD.org>.

Submitted by:	Bruce Evans <bde@FreeBSD.org>
		Naofumi Honda <honda@kururu.math.sci.hokudai.ac.jp>
 1998-12-02 08:15:17 +00:00
KATO Takenori
c70606fd9f Sync with sys/i386/i386/machdep.c revision up to 1.315. 1998-11-06 08:07:32 +00:00
KATO Takenori
45b48978af Sync with sys/i386/i386/machdep.c revision 1.313. 1998-10-11 15:04:38 +00:00
KATO Takenori
60f27d13a7 Sync with sys/i386/i386/machdep.c revision 1.312. 1998-10-09 12:36:25 +00:00
KATO Takenori
b3c2b0173a Sync with sys/i386/i386/machdep.c revision 1.311. 1998-09-30 13:21:44 +00:00
KATO Takenori
6a75025663 Sync with sys/i386/i386/machdep.c revision 1.310. 1998-09-28 08:25:29 +00:00
KATO Takenori
76c468f222 Sync with sys/i386/i386/machdep.c revision up to 1.309. 1998-09-15 03:50:08 +00:00
KATO Takenori
794cfbb48e Sync with sys/i386/i386/machdep.c revision 1.306. 1998-09-01 07:17:36 +00:00
KATO Takenori
aa53a702c9 - Fix style bug. 
- hw.ispc98 -> machdep.ispc98.

Submitted by:	Garrett Wollman (hw -> machdep)
 1998-09-01 02:04:17 +00:00
KATO Takenori
582e52862a - hw.machine_arch returns cpu architecture type. 
- moved definition of MACHINE_ARCH from cpu.h to parm.h as alpha.
- Added definitions of _MACHINE and _MACHINE_ARCH.
- Added hw.ispc98. The hw.ispc98 is 1 in PC98 kernel and is 0 in
  IBM-PC kernel.

Discussed with:	John Birrell <jb@FreeBSD.ORG>
 1998-08-31 08:41:58 +00:00
KATO Takenori
41bf2268ba Sync with sys/i386/i386/machdep.c revision 1.304. 1998-08-19 09:32:15 +00:00
KATO Takenori
e1c32d9d2d Sync with sys/i386/i386/machdep.c revision 1.303. 1998-07-11 17:00:33 +00:00
KATO Takenori
a723d97973 Sync with sys/i386/i386/machdep.c revision 1.302. 1998-07-02 12:39:32 +00:00
KATO Takenori
b0eb6f6a10 Sync with sys/i386/i386/machdep.c revision 1.301. 1998-06-22 08:05:12 +00:00
KATO Takenori
d5f1066e45 Sync with sys/i386/i386/machdep.c revision 1.300. 1998-06-17 16:30:16 +00:00
KATO Takenori
c7e9ceee59 Merge 64bit portability fixes from sys/i386 stuff. 1998-06-08 08:55:47 +00:00
KATO Takenori
57e8fac883 Sync with sys/i386/i386/machdep.c revision 1.298. 1998-06-03 08:48:00 +00:00
KATO Takenori
6113cb00d6 Sync with sys/i386/i386/machdep.c revision 1.297. 1998-05-28 13:50:13 +00:00
KATO Takenori
fa7cfb3b65 Sync with sys/i386/i386/machdep.c revision 1.296. 1998-05-19 12:58:05 +00:00
KATO Takenori
130eeca5d6 Sync with sys/i386/i386/machdep.c revision 1.294. 1998-04-07 09:07:53 +00:00
KATO Takenori
c85e487d23 Sync with sys/i386/i386/machdep.c and trap.c revisions 1.293 and 
1.123, respectively.
 1998-03-24 08:27:21 +00:00
KATO Takenori
d01df9f46d Sync with sys/i386/i386/machdep.c revision 1.292. 1998-03-08 03:55:35 +00:00
KATO Takenori
917d483199 Sync with sys/i386/i386/machdep.c revision 1.291. 1998-03-07 15:42:54 +00:00
KATO Takenori
a9c784f064 Sync with sys/i386/i386/machdep.c revision 1.290. 1998-03-02 10:02:01 +00:00
KATO Takenori
db33b1d449 Sync with sys/i386/i386/machdep.c revision 1.289. 1998-02-09 15:04:39 +00:00
Eivind Eklund
0b08f5f737 Back out DIAGNOSTIC changes. 1998-02-06 12:14:30 +00:00
KATO Takenori
3efe1bb939 Sync with sys/i386/i386/machdep.c and trap.c reivsions 1.287 and 
1.121, respectively.
 1998-02-05 10:05:47 +00:00
KATO Takenori
99b1ec9000 Sync with sys/i386/i386/machdep.c revision 1.286. 1998-02-04 10:19:33 +00:00
KATO Takenori
81b0d36c87 Sync with sys/i386/i386/machdep.c revision 1.285. 1998-01-30 12:03:13 +00:00
KATO Takenori
88a92ff10e Even though BIOS writer's guide recommends cpuid instruction of Cyrix 
6x86MX CPU is enabled (BIOS should not disable it), some BIOS disables
it via CCR4.  In this case, cpu variable becomes CPU_486 and
identblue() is called.  Because Cyrix 6x86MX has MSR and doesn't have
MSR1002, wrmsr instruction generates general protection fault.

Tested by:	Simon Coggins <chaos@ultra.net.au>
 1998-01-25 12:01:38 +00:00
KATO Takenori
19eba5818f Sync with sys/i386/i386/machdep.c revision 1.283. 1998-01-24 06:53:32 +00:00
KATO Takenori
7ebb9221f6 Sync with sys/i386/i386/machdep.c revision 1.282. 1998-01-24 03:15:37 +00:00
KATO Takenori
3a00f2c11f Sync with sys/i386/i386/machdep.c revision 1.281. 1998-01-12 15:38:51 +00:00
KATO Takenori
935b62000f 1: Fixed compile error when WB_CACH is defined. 
2: Fixed !M_EPSON_PC98 case.

Reviewed by:	Chiharu Shibata <chi@rd.njk.co.jp>
 1998-01-07 09:03:42 +00:00
Peter Wemm
19d768b80b #include "opt_user_ldt.h" so that the #ifdef USER_LDT checks can work, as 
commented about at length in the PR audit trail.

PR: 2412
 1997-12-27 02:28:28 +00:00
KATO Takenori
cf478d7b45 Don't use PG_N if EPSON PC-486HX/HG/HA (PC-9801 compatible) are 
detected.  These machine cannot make L2 cache write-through by PG_N,
and only I/O access (undocumented) can do that.  If PG_N is used,
system hangs.

Reviewed by:	tos@fa2.so-net.or.jp (Toshiyuki Kawashima)
 1997-12-16 10:22:49 +00:00
KATO Takenori
80ed4956b5 Sync with sys/i386/i386/machdep.c revision 1.279. 1997-12-14 12:31:44 +00:00
KATO Takenori
3de8753921 Sync with sys/i386/i386/machdep.c and trap.c revisions 1.278 and 
1.118, respectively.
 1997-12-05 11:48:53 +00:00
KATO Takenori
7d727d59e4 Sync with sys/i386/i386/machdep.c and trap.c revisions 1.275 and 
1.116, respectively.
 1997-12-03 09:46:34 +00:00
KATO Takenori
1c682f9842 Sync with sys/i386/i386/machdep.c revision up to 1.274. 1997-11-25 09:54:36 +00:00
KATO Takenori
eef2db22e1 Sync with following files: 
- sys/i386/i386/machdep.c revision 1.271
	- sys/i386/i386/trap.c revision 1.114
	- sys/i386/isa/if_ed.c revision 1.128
	- sys/i386/isa/if_fe.c revision 1.34
	- sys/i386/isa/syscons.c revision 1.238.
	- sys/i386/isa/wd.c revision 1.144
 1997-11-07 12:54:01 +00:00
KATO Takenori
f98d041924 Synchronize with sys/i386/i386/machdep.c revision 1.269. 1997-10-13 09:21:16 +00:00
KATO Takenori
38a7ce0beb Synchronize with sys/i386/i386/machdep.c revision 1.268. 1997-10-12 11:58:09 +00:00
KATO Takenori
a76e8ee5a9 Synchronize with sys/i386/i386/machdep.c revision 1.266. 1997-09-26 09:47:04 +00:00
KATO Takenori
82ed62a794 Synchronize with sys/i386/i386/machdep.c and trap.c reivisions 1.265 
and 1.111, respectively.
 1997-09-22 12:20:42 +00:00
KATO Takenori
8ccbc9119c Synchronize with sys/i386/i386/machdep.c revision up to 1.263. 1997-09-05 10:14:36 +00:00
KATO Takenori
6fd38fbdc0 Synchronize with sys/i386/i386/machdep.c and microtime.s revisions 
1.261 and 1.32, respectively.
 1997-09-03 12:41:16 +00:00
KATO Takenori
8532a0ba59 Synchronize with sys/i386/i386/machdep.c revision 1.260. 1997-09-01 10:42:03 +00:00