Runtime Altivec detection

Nathan Ingersoll ningerso at
Sat Mar 8 04:35:31 EST 2003

On Fri, Mar 07, 2003 at 12:24:15PM -0500, Dan Malek wrote:
> For some time now the Linux kernel has provided support for emulating
> the 'mfspr rd, PVR' instruction in user space.  Do this once, get the
> PVR and determine the processor type.
> You can also just read /proc/cpuinfo and search for the 'cpu :' line.
> It will indicate the processor type and if altivec is supported.
> There are probably other ways as well....

Thanks for the info Dan, I'll check into doing it this way. I am still
curious about some of my other questions, such as recovering from a
SIGILL caused by an actual illegal instruction. Anyone willing to chime
in on that?

| Nathan Ingersoll           \\ Computer Systems & Network Coordinator |
| ningerso at    \\            |
|   \\ Minnesota Center for Rural Health    |

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