Free RTOS

I am looking for a free RTOS that can support PCI express? Pls advise..
rkreddy_kbsAsked:
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gheistCommented:
http://ecos.sourceware.org/hardware.html

i see a heap of PCI platforms supported.
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gheistCommented:
Linux? eCos? NetBSD?
What is your processor?
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rkreddy_kbsAuthor Commented:
Linux based and my processor is x86

I came across Wind River Linux 4 and Wind River Real Time Core for Linux but I am unable to find more information about this core on their web site. Do they still offer this core?

I hope that it supports PCI.
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gheistCommented:
all major linux distributions offer kernel with realtime patches, some are in default kernel, some in optional multimedia and/or realtime kernel package.
all of them support PCIe PCI-X etc etc etc.

you can rebuild kernel rpm/dpkg to your liking

OpenBSD/NetBSD/Gentoo may require a bit more effort, but will be smaller.

if you want to practice realtime system programming eCos is a good try.
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rkreddy_kbsAuthor Commented:
Does RHEL support real time kernel package. Any pointers on that?
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gheistCommented:
RHEL supports only one single aging kernel. Avoiding that leads you to a good path.
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rkreddy_kbsAuthor Commented:
Does eCos support PCI drivers. I could not find out when I searched..
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