On 2018-03-06 19:19, anilapp...@gmail.com wrote:
> Jan,
> we are tying to access( read & write) from shared memory region between root 
> cell and non rootcell. I cant use ivshm-shared.bin file because  I want to 
> load another linux kernel on non rootcell. After booting into non rootcell, 
> how can I write into shared memory region and trigger interrupt so that root 
> cell can receive it. I am using minimal file system in non rootcell and I 
> cant compile and create some application on non rootcell.
> Can I create ivshm-shared memory application instead of binary in rootcell. 
> If yes, I can use this application to run on non rootcell to write into share 
> memory region.
> please suggest me is there any way to achieve this.

Have a look at Documentation/inter-cell-communication.txt and
specifically also https://github.com/henning-schild-work/ivshmem-guest-code.

Jan

-- 
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux

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