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



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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