Re: Kernel Development

Kuldeep Singh Dhaka <kuldeepdhaka9@xxxxxxxxx> · Sun, 23 Feb 2014 23:49:00 +0530



    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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      Kuldeep Singh Dhaka
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