Messages in this thread | | | Subject | Re: How-to? | Date | Fri, 02 Jul 1999 19:34:47 +0100 | From | Philip Blundell <> |
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>> Also, in the interest of debugging the PCI card (it is a brand new >> card), I wanted to access it in usermode. > >Well, I'm not sure how to do this, but the next best thing is >to provide simple ioctl()s for reading and writing the PLX registers >and the local bus, then call them from user space. But even >kernel-level debugging is fairly quick and easy given printk() >and the ability to insert and remove kernel modules.
You can look up the address of the card in /proc and then use inb/outb or mmap(/dev/mem) to poke around with it.
p.
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