Note also that this isn't "is this a valid address" but "is the address field of the packet valid", so if you're hitting this assertion in getAddr() then you're trying to read garbage. If you're not expecting that it could be garbage, then you need to know that right then and there.
Steve On Fri, Feb 24, 2012 at 8:00 AM, Paul Rosenfeld <[email protected]>wrote: > The packet tracks extra information about whether an address is valid. > Without this extra data, it's impossible to tell whether an address is > valid just by looking at it. Having to do > > if (pkt->hasAddr()) pkt->getAddr() > > would get tedious real fast considering how often this operation is > performed.... > > On Fri, Feb 24, 2012 at 4:15 AM, Mahmood Naderan <[email protected]>wrote: > >> I put some packets into a vector. Later when I wanted to access some >> of them in the vector (just working with their addr), the assertion >> failed. This is useful since I am now aware that some of the packets I >> pushed in the vector are no longer valid. However I think this >> assertion should go to somewhere else when a manipulation is going to >> be done on a packet. getAddr() should only return addr. >> >> >> On 2/24/12, Paul Rosenfeld <[email protected]> wrote: >> > But if the address is not valid, what happens if you use it? I think >> it's >> > just a way to stop non-determinism before it spreads throughout the >> > simulation and the root cause of an error becomes obscured. >> > >> > >> > >> > On Thu, Feb 23, 2012 at 6:41 AM, Mahmood Naderan >> > <[email protected]>wrote: >> > >> >> Hi, >> >> The getAddr() in packet.hh first assert that the address must be >> >> valid. What is the need for such assertion? normally we want to get >> >> the address of a packet, either it is valid or not. >> >> >> >> -- >> >> // Naderan *Mahmood; >> >> _______________________________________________ >> >> gem5-users mailing list >> >> [email protected] >> >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> >> >> > >> >> >> -- >> -- >> // Naderan *Mahmood; >> _______________________________________________ >> gem5-users mailing list >> [email protected] >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
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