[lk] Android Kernel Vs Linux Kernel. - android-porting | Google Groups

[Peter Teoh]

https://groups.google.com/group/android-porting/browse_thread/thread/68df67482006a4fd Hi,          I want  to port Android Fryo(linux version 2.6.32) on  platform    which is  also using modified version of linux kernel(2.6.32).          I compared 2.6.32.9 kernel and android kernel(modified kernel  2.6.32). and found changes.Some of the changes includes               1.Support of Numeric and alpha numeric password.               2.YAFFS support.               3.Power Management               4.Memory Management to enhance shared memory               5.Touchscreen.  My query is,      *Is there anything that is specific to android in kernel level.      (i.e)any android specific code.If so,tell me what are all the      changes mandate to bring android kernel?If not,then_ how android      kernel differs from Linux Kernel?_*      Note:  * ** *Many post says "Compare linux kernel and bring android specific  change.What does that "android specific change" mean?".  Regards,  Padma.          Report spam      Rate this post:  sanjeev sharma   View profile    More options Jul 7 2010, 8:57 pm Hi,  Let me tell you that to run Android on Linux kernel you need Android  specific driver to Linux kernel like.  Belows is feature of an Android based kernel.  01). GoldFish : Qemutrace , FB Driver/RTC/Power/Nand/MMC/Events/tty/  audio for godlfish  02). pmem : Android pmem allocator  03). yaffs : mtdif2  04). kernel debugger  05). android USB : USB Gadget driver for android.  06). HAL : TI Wifi Control Functions , Bluetooth (RFCOMM-L2CAP Socket)  07). Android Shared Memory (ASHMEM)  08). Paranoid  Network  09). Binder: mmap fix , more offset validation  10). Power : User Wake Lock , Wake Lock , Early Suspend , FB  Eearlysuspend  11). Logger Subsystem  12). Low Memory Killer: /sys/module/lowmemorykiller/parameters/adj and  minfree  11). Etc : Timed GPIO / Timed Output  Above is an difference between Normal Linux kernel and Android Kernel.Above  Driver need to integrate to run Android on Linux kernel.  Sanjeev sharma  On Mon, Jul 5, 2010 at 3:49 PM, padmapriyak <padmapri...@tataelxsi.co.in>wrote:  - Show quoted text -         Report spam      Rate this post:  David Turner   View profile    More options Jul 8 2010, 5:30 am On Wed, Jul 7, 2010 at 5:57 AM, sanjeev sharma  <sanjeevsharmae...@gmail.com>wrote:  > Hi,  > Let me tell you that to run Android on Linux kernel you need Android  > specific driver to Linux kernel like.  > Belows is feature of an Android based kernel.  > 01). GoldFish : Qemutrace , FB Driver/RTC/Power/Nand/MMC/Events/tty/  > audio for godlfish  For the record, "Goldfish" is the name of the virtual ARM board that is  emulated by the Android emulator.  You don't need any goldfish-specific stuff to run on a real device.  Hope this helsp.