Sparc - Leon - New driver creation
sebastian.huber at embedded-brains.de
Fri Sep 8 11:34:20 UTC 2017
On 08/09/17 11:57, Sebastian Huber wrote:
> On 08/09/17 11:28, Yannick SARTHOU wrote:
>> *What I want to achieve :* I want to create a new driver that allows
>> the user to open a device "/dev/mram" and use ioctl calls to allow
>> the user to control these registers in a safe way.
> You don't have to use a device driver for this. You need a device
> driver only if you want to be portable to systems with a user/kernel
> space separation or avoid link time dependencies. You can define a
> simple API with normal functions for your MRAM device.
For device drivers on SPARC you can use the classic device drivers, a
driver manager device driver or an IMFS generic node. I would use an
IMFS generic node, see IMFS_make_generic_node() with comments in imfs.h.
Sebastian Huber, embedded brains GmbH
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