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Old 06-21-2010, 08:02 AM   #1
ananth86coolguy
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Registered: Mar 2009
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what are the challenges and efforts involved in porting an operating system to a new


Hi all
Can somebody tell me what are the challenges that are involved in porting an Operating system to a new architecture?Say i want to port linux to new architecture called XYZ, what are the things that should be taken care of?

Regards
Ananth
 
Old 06-21-2010, 09:19 AM   #2
alli_yas
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Registered: Apr 2010
Location: Johannesburg
Distribution: Fedora 14, RHEL 5.5, CentOS 5.5, Ubuntu 10.04
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Hi Ananth,

I suggest you provide more information in order to get the answer/s you're looking for.

Porting from one OS to another can be seamless in some situations and painful in others - at a high level it depends on:

1. The OS you're porting to/from.
2. The application/s on your machine
3. The source/destination hardware is a consideration (unless you're using the same machine)
4. Etc

Your biggest considerations are whether your applications will work on the new OS; as well as backing up your data.
 
Old 06-22-2010, 11:04 PM   #3
ananth86coolguy
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Registered: Mar 2009
Posts: 28

Original Poster
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Hi Yas
Sorry for not providing the full info.Here it is.I am working on a MIPS based broadcom board which has a BCM91103 processor.I have the BSP provided by the vendor and it is based on 2.6.17 kernel. I want to have android OS onto broadcom board. Android relies upon the linux kernel for process management,memory management, IPC and other underlying services.Embedded Alley - a company has ported android onto MIPS architecture. So, i have got their android port for MIPS and the kernel they have used is 2.6.27 version. I now need to place my kernel sources I have 2 questions here:
1.I have the BSP provided by my vendor which is in 2.6.17version. The android port for MIPS is based on 2.6.27 version. So, can i upgrade my BSP from 2.6.17 to 2.6.27?How far is it feasible?How can i find the changes that have gone into the kernel between the 2 versions?

2.Embedded Alley has ported android OS onto MIPS architecture. What are the steps to be performed while porting an OS to an architecture?

Thanks & Regards
Ananth
 
  


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