Original NIOS Software Driver Development

Question

Hi, I have a general question in regards of the software driver development for Nios.

I have not been able to find any documentation on the Altera's website in regards of the software driver development for the Nios I processor.

I understand in Nios II, you have the IOWR/IORD software driver macros that enables designers to access their custom peripherals instantiated through SOPC.

Does the Nios I processor contain any kind of IOWR/IORD software macros to access "my_peripheral" or is there a totally different procedure that I have to follow?

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In addition to this, is it possible that the original Nios Processsor be able to handle alt_u64 variables?

Thanks

altera_forum · Answer

You&amp;#39;ll find what you need by reading this (http://www.altera.com/literature/an/an350.pdf) document.  I don&amp;#39;t recall, exactly, but I believe the volatile qualifier also circumvented the cache with "classic" Nios.  - slacker

altera_forum · Answer

--- Quote Start ---  originally posted by slacker@Jul 28 2006, 03:45 PM you&amp;#39;ll find what you need by reading this (http://www.altera.com/literature/an/an350.pdf) document.  i don&amp;#39;t recall, exactly, but i believe the volatile qualifier also circumvented the cache with "classic" nios.  - slacker &lt;div align='right'&gt;&lt;{post_snapback}&gt; (index.php?act=findpost&amp;pid=17235)  --- quote end ---    --- Quote End ---    whoops,, thanks, I accidently overlooked that  http://forum.niosforum.com/work2/style_emoticons/&lt;#EMO_DIR#&gt;/cool.gif

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Original NIOS Software Driver Development

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