nanogui: Technical Framebuffer proposal for RTEMS graphics
Subject:
Re: Technical Framebuffer proposal for RTEMS graphics
From:
Rosimildo daSilva ####@####.####
Date:
5 Feb 2000 19:49:30 -0000
Message-Id: <200002051938.LAA19033@www1.xoommail.com>
"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?
It runs in protected mode as a single flat address space.
No difference user/kernel modes. Basically, you can
access anything. This might change later... :-).
ioctls seems to fit better.
> They certainly aren't in Linux. That's why I suggest
> ioctl.
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