Floating point in kernel mode, Win2003 64-bit

Hi All.

I have to use a third party library in kernel mode
under Windows 2003 on Itanium. The problem is that
this library uses the higher set of floating point
registers (FR32-127), but as I can see in debugger
this set is disabled in my driver, probably by OS,
PSR.mfh is 1. As a result I get blue screen on first
access to one of this registers. I can’t recompile
library, so I should enable higher set of registers.
How can I do this properly? I’ve found no mention of
this in DDK.

Sergey


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