[ros-kernel] Re: [ros-cvs] CVS Update: reactos - Supportof Matroxdisplay card

welch at boltblue.com welch at boltblue.com
Mon Mar 8 17:40:57 CET 2004

Quoting Waldo Alvarez Cañizares <wac at lab.matcom.uh.cu>:
> Is the value in eax preserved? I think it is showing the value in cr2
> instead of the value that should print for eax. With that exception.
> The page fault was not a problem in ROS was a mistake I did writing some
> code. While I was trying to find out what I was doing wrong I needed to
> know the value in eax at the time of the fault but noticed that it was
> the same as cr2 (was a value that was quite improvable to get in eax for
> the code I was analyzing) And when I saw your report I noticed values in
> eax and cr2 are the same too. So maybe this is a little bug in ROS but
> very annoying.
Eax is saved in KiTrapProlog so saving of cr2 shouldn't affect it. Are you sure
the program wasn't doing a memory access using eax as an offset?

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