[gem5-users] Meltdown simulation & analysis in FS mode using fs.py

2023-07-20 Thread reverent.green--- via gem5-users
Hello everyone,   I am currently working on a meltdown simulation & analysis using the fs.py script. Using se.py is not possible, because there is no kernel space mapping. As for the meltdown test code, I'm using this repo: https://github.com/IAIK/meltdown   After playing a bit with the multip

[gem5-users] Re: Meltdown simulation & analysis in FS mode using fs.py

2023-07-20 Thread Jason Lowe-Power via gem5-users
Hi Robin, This may be helpful: http://www.lowepower.com/jason/visualizing-spectre-with-gem5.html For `warn: instruction 'palignr_Vdq_Wdq_Ib' unimplemented`, this is an AVX (or SSE) instruction that gem5 doesn't implement. Overall, I'm not sure if gem5 is vulnerable to meltdown. I think that the

[gem5-users] Re: Meltdown simulation & analysis in FS mode using fs.py

2023-07-20 Thread Hoa Nguyen via gem5-users
Hi all, It appears that you're using an older version of gem5 that does not have the palignr instructions implemented. The current stable branch has those instructions implemented. I'm not sure if this is a problem in your setup or related to this problem, but I wanted to add that I was not able