Technical Framebuffer proposal for RTEMS graphics

Erwin Rol erwin at
Sat Feb 5 20:31:29 UTC 2000

Greg Haerr wrote:
> : A small difference is how the access to the driver is made.
> : In your proposal, many ioctls() calls to do different things.
> :
> : The one that I proposed the driver would provide
> : a table with the entry points for the services provided
> : by the driver.
> :
> The addresses returned by the kernel aren't valid for
> user mode routines to call directly in RTEMS, right?
> They certainly aren't in Linux.  That's why I suggest
> ioctl.

I believe everything is flat without protection in RTEMS ?
but it isn't in Frank's PK, and we might want to make a interface
that works on both ?

> Regards,
> Greg
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