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8 Commits

Author SHA1 Message Date
christos 8fd0f1f8b3 Add missing prototypes. 1996-05-03 19:26:28 +00:00
mycroft 7511a5540e Remove BIOSSEG. 
Don't mess with the flags when entering a software interrupt.
Use IF, not VIF.
NOTE: These changes break dosemu, but are required for proper emulation.
 1996-04-30 10:35:25 +00:00
mycroft 47bf863ac1 Make some of the flag handling clearer. No functional change. 1996-04-18 10:04:32 +00:00
mycroft 035e9c211e Use the flag mask in a somewhat more sane fashion. 1996-04-12 05:57:43 +00:00
mycroft c8ab43244b Actually keep track of the naughty PSL bits. 
Use VIF, rather than IF, by default, to be compatible with dosemu.  XXXX
 1996-04-11 10:07:17 +00:00
mycroft 48643c6605 Export [gs]et_vflags(), and always use them when saving/restoring registers 
in VM86 mode.
Allow changing of *all* PSL bits in VM86 mode; some applications don't work
right otherwise, and all the nasty bits are virtualized anyway.
Make sure PSL_VIF, PSL_VIP, and PSL_VM don't show up in the user's view of
the PSL.
 1996-04-11 07:47:33 +00:00
jtc 8bd51c47b9 Copyright assigned to the NetBSD Foundation 1996-02-27 22:28:09 +00:00
mycroft 7149c5ff14 VM86 support, by John Kohl, touched up a bit by me. 1996-01-08 13:51:30 +00:00