From owner-cvs-all  Fri Jun 18  7:32:25 1999
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From: Bruce Evans <bde@FreeBSD.org>
Date: Fri, 18 Jun 1999 07:32:22 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/i386/i386 locore.s machdep.c trap.c
         src/sys/i386/include segments.h
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bde         1999/06/18 07:32:22 PDT

  Modified files:
    sys/i386/i386        locore.s machdep.c trap.c 
    sys/i386/include     segments.h 
  Log:
  Changed the global `idt' from an array to a pointer so that npx.c
  automatically hacks on the active copy of the IDT if f00f_hack()
  has changed it.  This also allows simplifications in setidt().
  This fixes breakage of FP exception handling by rev.1.55 of
  sys/kernel.h.  FP exceptions were sent to npx.c's probe handlers
  because npx.c "restored" the old handlers to the wrong copy of the
  IDT.  The SYSINIT for f00f_hack() was purposely run quite late to
  avoid problems like this, but it is bogusly associated with the
  SYSINIT for proc0 so it was moved with the latter.
  
  Problem reported and fix tested by:  Martin Cracauer <cracauer@cons.org>
  
  Revision  Changes    Path
  1.124     +2 -2      src/sys/i386/i386/locore.s
  1.342     +10 -12    src/sys/i386/i386/machdep.c
  1.139     +2 -3      src/sys/i386/i386/trap.c
  1.20      +2 -2      src/sys/i386/include/segments.h



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