This information may also be of interest: https://cirosantilli.com/linux-kernel-module-cheat/#m5ops
On Fri, Mar 20, 2020 at 5:33 AM Armand Behroozi <arma...@umich.edu> wrote: > > Thank you so much! Will take a look. > > Also wanted to thank you for your tutorials and learning_gem5 code. > > My research would not be possible without them. > > Regards, > > Armand > > On Thu, Mar 19, 2020 at 6:36 PM Jason Lowe-Power <ja...@lowepower.com> wrote: >> >> Hi Armand, >> >> You can definitely do this in gem5! We have what we call m5ops or "magic >> instructions" that allow for these kinds of "hypercalls" from the simulated >> system into the simulator. The documentation has a little information about >> this (http://www.gem5.org/documentation/general_docs/m5ops/). However, the >> code in util/m5 is probably the best place to look. >> >> Cheers, >> Jason >> >> On Thu, Mar 19, 2020 at 1:55 PM Armand Behroozi <arma...@umich.edu> wrote: >>> >>> Hello All, >>> >>> I wanted to know if there is a method for passing data (such as the pointer >>> to an array returned from malloc) from an application to gem5 while the >>> application is running. >>> >>> Currently, in order to pass gem5 the address bounds, I run the application >>> without gem5, print out the address bounds of multiple arrays onto the >>> screen and then pass them as command line arguments to the run script when >>> I execute the application with gem5. I'm using SE mode. >>> >>> I've worked with another simulator that allows you to insert special >>> function calls into the source code using the data you want to pass as >>> arguments. Control is then transferred to code inside of the simulator and >>> the data can then be used to set the values of variables inside of the >>> simulator. >>> >>> In other words, I want to create a gem5 event in application code (I have >>> looked at "Create gem5 Event in application code"). >>> >>> Any help would be much appreciated. >>> >>> Thank you. >>> >>> Regards, >>> >>> Armand Behroozi >>> _______________________________________________ >>> gem5-users mailing list >>> gem5-users@gem5.org >>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> >> _______________________________________________ >> gem5-users mailing list >> gem5-users@gem5.org >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users _______________________________________________ gem5-users mailing list gem5-users@gem5.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
