memory mapped video device drivers
Ronnie Hughes
ronh at sunriv.UUCP
Wed Dec 12 02:54:04 AEST 1990
In article <1990Dec10.193631.4019 at sj.ate.slb.com> stefano at sj.ate.slb.com (Stefano Concina) writes:
>- how do you map physical memory to user space ? I tried read/writes to
Try the kernel routine vidumapinit(phys, size), where phys is the
actual physical address of the card and size is in bytes. This
returns a user virtual address which can be passed back to the
user process. Hope this helps.
Ronnie ronh at sunriver.com or uunet!sunriv!ronh
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