You might find some useful things in these slides: PowerPoint Presentation
(gem5.org)
<https://www.gem5.org/assets/files/isca2022-tutorial/gem5-stdlib-tutorial.pdf>.
But, mainly, you just need to change the following line in the fs script
(assuming you are using riscv full system example from gem5 source):
disk_image=Resource("riscv-disk-img")
-Ayaz
On Sun, Apr 30, 2023 at 1:02 PM Vladimir Milicevic <
vladimirmilice...@cmail.carleton.ca> wrote:
> Thank you Ayaz.
>
> Is there documentation for the CustomResource command, or an example?
> Also is there any recommendation for modifying the disk image
> successfully? I cannot see my benchmarks when the OS is loaded.
>
> Thank you in advance.
>
> Sent from my iPhone
>
> On Apr 30, 2023, at 3:53 PM, Ayaz Akram <yazak...@ucdavis.edu> wrote:
>
>
> [External Email]
> Hi Vladimir,
>
> You can modify the riscv fs script and use CustomResource for the disk
> image resource by passing the path to your modified disk image. This will
> ensure that gem5 is using your disk image and not redownloading a clean
> resource.
>
> -Ayaz
>
> On Sun, Apr 30, 2023 at 9:13 AM Vladimir Milicevic via gem5-users <
> gem5-users@gem5.org> wrote:
>
>> I’m running UCanLinux full-system simulation on RISC-V using the
>> instructions found here: http://resources.gem5.org/resources/riscv-fs
>> With the intention to enable multi-threaded and multi-core simulations
>> with the host OS.
>>
>> Now that I have it up and running, I’m looking for how to modify the
>> riscv_disk disk image from above to include my benchmark programs.
>> Using the mount instructions in the guide and copying the files into the
>> image before booting in GEM5 does not appear to work.
>> When I try to do this, it appears either GEM5 redownloads a clean image -
>> OR - my copied benchmark suit is not visible on the UCanLinux filesystem.
>>
>>
>> Are there any guiding instructions to copy benchmark programs into the
>> bootable disk image for GEM5? Thank you in advance.
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