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Writing Device Drivers
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Chapter 10

Mapping Device and Kernel Memory

Some device drivers allow applications to access device or kernel memory through mmap(2). Frame buffer drivers, for example, enable the frame buffer to be mapped into a user thread. Another example would be a pseudo driver that uses a shared kernel memory pool to communicate with an application. This chapter provides information on the following subjects:

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  Published under the terms fo the Public Documentation License Version 1.01. Design by Interspire