Re: On loading userspace data into particular section of physical memory (ARM)

2012-12-08 Thread Joel A Fernandes
Hi Mulyadi, How are you doing? PS: are you considering creating special data section? perhaps by using custom ld script? Yes, that would be a possiblity. Regards, Joel ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org

On loading userspace data into particular section of physical memory (ARM)

2012-12-04 Thread Joel A Fernandes
I am looking at a problem that might be too difficult to solve, or might not if I'm missing something so I thought I'd bounce it off this group, Basically I have an application in userspace who's .data section _has_ to be loaded into particular locations in physical memory. That is, there is a

Re: On loading userspace data into particular section of physical memory (ARM)

2012-12-04 Thread Joel A Fernandes
On Tue, Dec 4, 2012 at 11:19 PM, Subramaniam Appadodharana c.a.subraman...@gmail.com wrote: Hi, On Tue, Dec 4, 2012 at 11:07 PM, Joel A Fernandes agnel.j...@gmail.com wrote: I am looking at a problem that might be too difficult to solve, or might not if I'm missing something so I thought

Re: Need help understanding memory models, cpu modes and address translation

2011-07-17 Thread Joel A Fernandes
On Sat, Jul 16, 2011 at 3:47 PM, Vaibhav Jain vjoss...@gmail.com wrote: Hi Mulyadi, Thanks for the explanation.Its really nice! But what I was referring to the was this article on virtual address layout of program : http://duartes.org/gustavo/blog/post/anatomy-of-a-program-in-memory which

Re: Need help understanding memory models, cpu modes and address translation

2011-07-17 Thread Joel A Fernandes
On Sun, Jul 17, 2011 at 1:24 AM, Vaibhav Jain vjoss...@gmail.com wrote: Thanks a lot Joel! This is a great explanation. Just one more question. I used to think that the compiler always assigns/generates starting from 0 as Mulyadi has also mentioned. In the case when Segmentation(intel-style)

Re: Need help understanding memory models, cpu modes and address translation

2011-07-15 Thread Joel A Fernandes
On Fri, Jul 15, 2011 at 10:04 PM, Vaibhav Jain vjoss...@gmail.com wrote: Hi, Actually I have read that book. But when i started reading other books such as those on assembly they had these concpets of Real Mode , Protected Mode , Flat Memory model, Segmented Memory model which are specific

Re: Need help understanding memory models, cpu modes and address translation

2011-07-15 Thread Joel A Fernandes
Hi Mulyadi, Good to read your posts. It has certainly been a long time and it feels good to be back on this list! On Sat, Jul 16, 2011 at 10:14, Vaibhav Jain vjoss...@gmail.com wrote: Could somebody please state the difference clearly for me and explain how these two work together. I

Kernel development process questions

2011-07-13 Thread Joel A Fernandes
Hi, I went over the development process Documentation/ in the kernel tree, and had the following question: With respect to Linux Kernel development process, what does the word stage mean? It is the process of getting patches into Greg's staging tree, or is it linux-next? Or depends on the

Re: query regarding inode pages

2011-07-13 Thread Joel A Fernandes
[CC'ing list] Hi Shubham, I am not very familiar with the code for pdflush. But wasn't it superseded by bdflush (or similar) in recent kernels? On Wed, Jul 13, 2011 at 10:45 AM, shubham sharma shubham20...@gmail.com wrote: I am trying to write a memory based file system. The file system is