Re: CVS commit: src/sys/dev/ic

[Frank van der Linden <fvdl%netbsd.org@localhost>]

On Wed, Oct 08, 2003 at 06:41:37PM +0000, Charles M. Hannum wrote:
> 2) A controller+drive older than that will read all-1s.  Therefore it will 
> fail the 0 test and continue polling.  This is completely harmless.  Because 
> the drive also is too old to support the slave register shadowing, this test 
> would not work for it anyway even if it read the main status register.

Is that guaranteed? This is fine on i386, but there are architectures
out there, like macppc, that will fault if you read a non-existent I/O
address.

- Frank

-- 
Frank van der Linden                                            
fvdl%netbsd.org@localhost
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