Hi Steve, Thanks a lot! :)
On Fri, Apr 17, 2015 at 1:21 PM, Steve Reinhardt <[email protected]> wrote: > Writebacks do not have virtual addresses, as only the physical address is > available in the cache tag. > > Steve > > On Fri, Apr 17, 2015 at 10:59 AM, Vinayak Bhargav Srinath < > [email protected]> wrote: > >> Hi folks, >> >> Currently, using a work around to prevent this failure incase there is no >> Vaddr in the pkt->req by using a check pkt->req->hasVaddr() before >> fetching >> the Vaddr using getVaddr() . >> However I'm still trying to find out what could have caused some requests >> into the Caches to not have a Vaddr .. >> >> >> >> On Tue, Apr 14, 2015 at 4:54 PM, Vinayak Bhargav Srinath < >> [email protected]> >> wrote: >> >> > Hi , >> > >> > I'm trying to access the Virtual Address of the packets to >> *handleFill()* >> > and *access()* methods using *pkt->req->getVaddr()* >> >> > Seems that some of the packets don't have Virtual Addresses.. If this is >> > the case, then how can I access the Virtual address of a particular data >> > being written into the cache. >> > I just want the Virtual Addresses of data flowing into the dcache (for >> > allocating cache blocks). I'm running in syscall emulation mode using >> the >> > benchmark x264. >> > >> > I think I managed to statically compile x264 without pthreads as it does >> > not throw me the static binary required error. >> > ---------------------------------------------- >> > Here's my run command: >> > build/X86/gem5.opt --debug-file=Cache.dbg --debug-flags=Cache >> > --outdir=m5out/x264 --redirect-stdout >> > --stdout-file=afb_0_n8T_0_cvdd_700.out --redirect-stderr >> > --stderr-file=afb_0_n8T_0_cvdd_700.err >> > --stats-file=afb_0_n8T_0_cvdd_700.stats ./configs/example/se.py >> > --cpu-type=detailed --caches --l2cache --num-cpus=1 --cpu-clock=1GHz >> > --l1d_size=32kB --l1i_size=32kB --l1d_assoc=4 --l1i_assoc=4 >> --l2_size=256kB >> > --l2_assoc=8 --mem-type=LPDDR3_1600_x32 --mem-size=512MB >> > --cacheline_size=64 -c /home/srina005/x264-snapshot-20141218-2245/x264 >> -o " >> > --qp 0 -o m5out/X86_Hybrid_8T_6T_LE_BFE/x264/out.264 >> > m5out/x264/input/akiyo_cif.yuv --input-res 352x288" >> > >> > >> > and this is my error message: >> > >> > 0: system.remote_gdb.listener: listening for remote gdb #0 on port 7020 >> > yuv [info]: 352x288p 0:0 @ 25/1 fps (cfr) >> > warn: ignoring syscall rt_sigaction(2, ...) >> > x264 [info]: using cpu capabilities: none! >> > *gem5.opt: build/X86/mem/request.hh:509: Addr Request::getVaddr() const: >> > Assertion `privateFlags.isSet(VALID_VADDR)' failed.* >> > Program aborted at tick 6230504500 >> > ------------------------------------------------ >> > >> > I tested it on hello world. That seems to work fine.. >> > >> > -- >> > Thanks and Regards, >> > *Vinayak Bhargav Srinath* >> > *Ph: +1-612-987-9211 <%2B1-612-987-9211>* >> > >> >> >> >> -- >> Thanks and Regards, >> *Vinayak Bhargav Srinath* >> *Ph: +1-612-987-9211* >> _______________________________________________ >> gem5-dev mailing list >> [email protected] >> http://m5sim.org/mailman/listinfo/gem5-dev >> > > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > -- Thanks and Regards, *Vinayak Bhargav Srinath*
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