Quick note... in my tutorial on writing KLD's, it will include a section
on an example character device skeleton. 3 of 5 sections are complete in
this tutorial... so I suspect that son I will release it publically.
Andrew
On Mon, 22 May 2000, G.B.Naidu wrote:
|
|Hi,
|
|I would like to know about the device drivre development. I know the basic
|concepts behind a device driver. But haven't written a driver my self. But
|now time has come for me to do that.
|
|I need to develop a device driver for a ethernet switch/hub. So I would
|like to have some clarifications:
|
|1. How much effort it takes for a real device driver to be written?
|Please provide a realistic estimate. I guess somebody might have written
|some commercial device drivres.
|
|2. What all information do I need to design a device driver? I have the
|data sheets of the product available from the net. Anything else I need?
|
|3. How do I decide whether a driver has to be block device or character
|device?
|
|4. I went through the two documents posted on the list about newbus. Is it
|mandatory that one has to use newbus architecture from FreeBSD 4.0
|onwards? Frankly speaking I didnt understand much of the documents.
|
|5. I would like to know where I can get the small driver written by Warner
|Losh?
|
|6. Any other info on device drivers for freeBSD other than these two
|documents posted on the list? I checked in the handbook but there seems
|nothing on device drivres.
|
|
|thanks in advance
|--gb
|
|
|
|
|
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---------------------------------------------------------
Andrew Reiter <[EMAIL PROTECTED]>
Computer Security Engineer
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