This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
Re: Question about system bus
- To: jameshq at liverpool dot ac dot uk
- Subject: Re: [ECOS] Question about system bus
- From: Mark Salter <msalter at redhat dot com>
- Date: Wed, 20 Jun 2001 14:10:07 -0400
- CC: ecos-discuss at sources dot redhat dot com, jlarmour at redhat dot com
- References: <KIEBICHBADHFCLGCKOPDMECMCEAA.jameshq@liv.ac.uk>
>>>>> HuangQiang writes:
> while writing to the external IO bank0 I can get CS and while reading I
> can't get CS why?
Is that memory space cached? Maybe the read hits the cache and the
transaction never makes it to the bus.
--Mark