If you aren't in 64 bit mode, or you are and the instruction had the
address size prefix, virtual addresses are at most 32 bits long.
Gabe
On Sat, Nov 8, 2014 at 8:58 PM, Mohammad Alian via gem5-dev <
gem5-dev@gem5.org> wrote:
> Hello,
> I found the error source. This assertion goes up when the page table
> walker inserts an entry into TLB and when it do a second lookup to get that
> entry, it's not available. The problem is that when walker calls
> tlb->translate(), the request matches for the following if condition and
> it's vaddr gets masked; Therefore nothing will match with the masked vaddr
> in the TLB:
>
> if (m5Reg.submode != SixtyFourBitMode ||
> (flags & (AddrSizeFlagBit << FlagShift))){
> vaddr &= mask(32);
>
> Does anybody knows the purpose of the above if statement? Any fix to this
> bug?
>
> Thank you,Mohammad
>
>
> On Wednesday, October 29, 2014 10:18 PM, Mohammad Alian <
> alian.moham...@yahoo.com> wrote:
>
>
> Hello every one,
> I'm running some map-reduce benchmarks on X86 FS Dual mode. I can run the
> benchmark with atomic simple cpu, but when I use O3 cpu, after simulating
> around 3 seconds, I get the following error . Also I should mention that
> I've hardcoded PCI accesses to be uncacheable to be able to start detailed
> simulation Re: [gem5-dev] Ethernet device doesn't work with O3 cpu model in
> X86 ISA.
> Any help?
> Thank you,Mohammad
>
> switching cpus
> **** REAL SIMULATION ****
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: Tried to clear PCI interrupt 10
> warn: instruction 'fild' unimplemented
> warn: instruction 'fistp' unimplemented
> warn: instruction 'fucomi' unimplemented
> warn: instruction 'fsubrp' unimplemented
> warn: instruction 'fistp' unimplemented
> warn: instruction 'fistp' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'clflush' unimplemented
> warn: instruction 'fcmovne' unimplemented
> warn: instruction 'fucomip' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: instruction 'prefetch_nta' unimplemented
> warn: x86 cpuid: unimplemented function 4
> gem5.opt: build/X86/arch/x86/pagetable_walker.cc:630: bool
> X86ISA::Walker::WalkerState::recvPacket(PacketPtr): Assertion
> `!delayedResponse' failed.
>
>
>
>
> _______________________________________________
> gem5-dev mailing list
> gem5-dev@gem5.org
> http://m5sim.org/mailman/listinfo/gem5-dev
>
_______________________________________________
gem5-dev mailing list
gem5-dev@gem5.org
http://m5sim.org/mailman/listinfo/gem5-dev
