Re: [ES40-developers] Patch: fix ide controller

[brian w. <bdw...@in...>]

Actually, I need to increment the cycle counter before I handle the
interrupt.  Here's a patch which works better.

Brian

On Tue, 2008-02-26 at 16:33 -0500, Brian Wheeler wrote:
> This patch fixes two things:
> 1) clears the busmaster active bit when the bit 1 is written to the
> busmaster status register.
> 2) Attempts to refire the interrupt if the controller seems to have
> missed it -- before the OS declares a timeout.
> 
> This patch fixes the vms boot problems from ide cdrom and it also
> allowed me to install tru64 -- albeit with timeouts.
> 
> The timeout refire code isn't very well tested, since it is very timing
> dependent, and if you have IDE debugging turned on, es40 waits for a
> keypress before re-issuing the interrupt (since I want to see what it is
> doing)
> 
> Brian
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