cvs commit: src/sys/boot/i386/libi386 bootinfo64.c

John Baldwin jhb at
Tue Oct 7 14:06:04 UTC 2008

jhb         2008-10-07 14:05:42 UTC

  FreeBSD src repository

  Modified files:
    sys/boot/i386/libi386 bootinfo64.c 
  SVN rev 183667 on 2008-10-07 14:05:42Z by jhb
  Use CPUID to see if the current CPU supports long mode when attemping to
  boot an amd64 kernel.  If not, then fail the boot request with an error
  message.  Otherwise, the boot attempt will fail with a BTX fault when
  trying to read the EFER MSR.
  MFC after:      3 days
  Revision  Changes    Path
  1.38      +47 -1     src/sys/boot/i386/libi386/bootinfo64.c

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