Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

PCI Express SOPC flow hardware ready example with README

When I tried PCI E SOPC flow for the first time, I got stuck a little bit. So I put some tips for the SOPC flow in the README file. Hope the combination of README and example will help someone g...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Dear Vladimir,

I seem to recall that either Jungo or SOPC builder with PCIe (can't remember which) does not support legacy system interrupts. As a result, you have to use message signalled interrupts (msi.)

Sadly, only Vista and W7 support msi so, if you're relying on message signalled interrupts and using XP, it won't work. The simplest way to see if this is the problem is to try your application on a Vista machine. Like you, I found Altera's application worked but mine didn't at first and this was one of the principal reasons.

Kind regards

Andy