Proposed changes to io.h
johnw at sands-edge.com
Thu Apr 1 03:32:47 EST 2004
On Mar 31, 2004, at 11:58 AM, Dan Malek wrote:
> Eugene Surovegin wrote:
>> I wonder will it work on 4xx CPUs which don't have floating point
> It won't work on anything, will it? Floating point isn't enabled for
> the kernel, unless I missed that update.
This code specifically handles this by enabling the FP bit in the MSR,
bypassing the standard floating point handling. It saves the contents
of FP0, uses it, restores the contents, restores the MSR, and exits.
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