Re: [Xen-devel] [PATCH v2 01/10] hvm/hpet: Add manual unit test code.

[Don Slutz <dslutz@xxxxxxxxxxx>]

On 04/09/14 12:08, Jan Beulich wrote:
> > > > On 08.04.14 at 16:24, <dslutz@xxxxxxxxxxx> wrote:
> > Add the code at tools/tests/vhpet.
> >
> > Does repro the bug:
> >
> > ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> >
> > Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
> > ---
> >   tools/tests/vhpet/.gitignore |   4 +
> >   tools/tests/vhpet/emul.h     | 405 ++++++++++++++++++++++++++++++++
> >   tools/tests/vhpet/main.c     | 541 +++++++++++++++++++++++++++++++++++++++++++
> So I'm having difficulty understanding what this is good for, or how
> it is supposed to be used: You don't add or change any Makefile, and
> don't say anything to explain how this code is reproducing the bug
> you mention above. Please be a little more verbose.
>
> Jan
Ok.

In a xen source tree (with this patch applied):

  cd tools/tests/vhpet

  xen_source=../../..
  sed -e "/#include/d" -e "1i#include \"emul.h\"\n" 
<$xen_source/xen/arch/x86/hvm/hpet.c >hpet.c
  cp $xen_source/xen/include/asm-x86/hpet.h .

  gcc -g -o test_vhpet hpet.c main.c
  ./test_vhpet >foo


Most of this is in main.c's comment.  Will add to commit message also.

   -Don Slutz




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