Kernel Development

[kuldeepdhaka9@gmail.com (Kuldeep Singh Dhaka)]

On 02/23/2014 10:54 PM, subham soni wrote:
> Hello,
> I am a newbie to kernel development. I would like to develop my own 
> kernel from scratch. From where should I start from?
developing you own Kernel. nice. i suggest you learn more about kernel 
design and their role's. that will make you aware of how things work.
http://wiki.osdev.org/ (+ many more) will be your friends.
> I have a good experience of the commands in Linux 
> (Ubuntu,Fedora,Debian,Slackware).
This would help you on your way. :)
> I googled out and I came to know that I should start from Device Drivers.
device drivers are for kernel's that are running.
if you want to make your own, you have to design a infrastructure for 
drivers to place.
> Now which device driver should I code?
if you are thinking of starting from Linux source, give it a try :p.
/dev/null is an excellent example to start.
> Or should I master Shell Scripting?
depends on type of work, but i think basic things like Makefile, 
compiling from shell, and doing echo work should be ok (at minimum).
> For developing a kernel (my aim here would be to increase the battery 
> life, since most laptops have only 1.30 hrs or 2.00 hrs in Linux OS) 
> and 3.00 hrs in Windows Environment. How should I start and from where?
all i can say is:
learn more about low power thingi'es so that you can re iterate on what 
your asking.

Linux OS -> GNU/Linux OS   GNU userland utilities/applications with 
Linux Kernel :)

summary:
     learn more about kernel design,
     how they work,
     decide hardware to bake on.
     read hardware document
     learn from others kernel
     VM will be handy. (qemu, ...)
     patience <--- important
     be ready for hiccup's

>
>
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