Device Driver: Help needed

Device Driver: Help needed

Post by Tata Unisys LT » Thu, 06 Jul 1995 04:00:00

Hiya guys

We want to implement a software device driver on SVR4 on i386 platforms, which
supports the mmap() system call. The manual mentions that the driver would
have to support an mmap() and optionally a segmap() entry point, and vaguely
refers to the notion of segment drivers. The documentation leaves a lot to be
desired and the relation of the mmap() system call to the driver entry points
is not at all clear.

Any information relating to the above, or any pointers, references will be
greatly appreciated.

Thanks in advance,
G. Vaideswar & Rajneel G


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