[gem5-users] Re: Errors coming while running gem5 in full system mode

[Giacomo Travaglini via gem5-users]

> -----Original Message-----
> From: VAIDYA ROHINI VILAS via gem5-users <gem5-users@gem5.org>
> Sent: 19 January 2021 06:38
> To: gem5 users mailing list <gem5-users@gem5.org>
> Cc: VAIDYA ROHINI VILAS <vaidyarv19.e...@coep.ac.in>
> Subject: [gem5-users] Re: Errors coming while running gem5 in full system
> mode
>
> i think i am doing mistake while  adding kernel images.
>
> ________________________________
>
> From: VAIDYA ROHINI VILAS via gem5-users <gem5-users@gem5.org>
> Sent: 19 January 2021 12:06
> To: gem5-users@gem5.org <gem5-users@gem5.org>
> Cc: gem5-users-requ...@gem5.org <gem5-users-requ...@gem5.org>; gem5-
> users-boun...@gem5.org <gem5-users-boun...@gem5.org>; VAIDYA ROHINI
> VILAS <vaidyarv19.e...@coep.ac.in>
> Subject: [gem5-users] Errors coming while running gem5 in full system mode
>
> Hello,
> i am trying to build gem5 in full system mode using the command as follows :
>
> "build/ARM/gem5.opt configs/example/fs.py --disk-
> image=/home/coep/full_system_images/disks/arm-ubuntu-natty-headless.img
> --vmlinux.aarch32.ll_20131205.0-gem5=/home/coep/gem5"

You are passing a kernel as a config option. This should rather be:

--kernel /home/coep/gem5/vmlinux.aarch32.ll_20131205.0-gem5
Note: the "--kernel" is the name of the script option, and 
vmlinux.aarch32.ll_20131205.0-gem5 is the name of the binary

>
>
> this command gives error as :
> "fs.py: error: no such option: --vmlinux.aarch32.ll_20131205.0-gem5"

See above

> i build all kernel images given in the documentation of gem5 but the image
> with name vmlinux.aarch32.ll_20131205.0-gem5 is not there so the error is
> coming .

That's a prebuilt kernel image. While you can still find it somewhere in 
gem5.org, I am wondering if you shouldn't
Use a more recent kernel with aarch64 (the kernel you are pointing at is 
aarch32).
I recommend you to have a look at

http://www.gem5.org/documentation/general_docs/fullsystem/building_arm_kernel

if you want to build the kernel on your own. Otherwise, if you want to download 
a prebuilt one, you can do that as well:

http://www.gem5.org/documentation/general_docs/fullsystem/guest_binaries

> please help me to solve this error.
> Thank you.

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