On 7 February 2014 02:19, Tom Gall <tom.g...@linaro.org> wrote: > Thanks Victor! > > This doesn't bode well. > > I'm trying to debug a Chrome on armv8 build. Chrome loaded into gdb > with symbols is well over 1 Gig of memory. With everything else > running (as in my X env) things die pretty early due to lack of RAM to > allocate. > > Given this is all in the sim, I just don't see adding swap storage as > a viable option. > > What would life be if we didn't have to face fun little things like this ? :-) > > > On Thu, Feb 6, 2014 at 5:57 PM, Victor Kamensky > <victor.kamen...@linaro.org> wrote: >> Interesting question. >> >> I think on model side it is controlled by 'bp.dram_size' >> parameter (set it with -C option): >> >> [kamensky@kamensky-w530 fastmodels]$ >> ./FVP_Base_AEMv8A-AEMv8A/models/Linux64_GCC-4.1/FVP_Base_AEMv8A-AEMv8A >> --list-params | grep dram_size >> bp.dram_size=0x4 # (int , >> init-time) default = '0x4' : Size of main memory in gigabytes (2, 4 >> or 8) : [0x2..0x8] >> >> However when I tried it, it did not have any >> effect, and even if list-params help claims that default >> is 4Gb, my Linux kernel sees only 2Gb. >> >> I think the next issue is some setting in uefi >> loader: uefi creates memory regions list that is >> passed to the kernel. I see in uefi: >> >> ./ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc >> >> # System Memory (2GB) >> gArmTokenSpaceGuid.PcdSystemMemoryBase|0x80000000 >> gArmTokenSpaceGuid.PcdSystemMemorySize|0x80000000 >> >> and I cannot set it much bigger because PcdSystemMemorySize >> is defined as UINT32 in ./ArmPkg/ArmPkg.dec like this: >> >> # System Memory (DRAM): These PCDs define the region of in-built system >> memory >> # Some platforms can get DRAM extensions, these additional regions >> will be declared >> # to UEFI by ArmPLatformPlib >> gArmTokenSpaceGuid.PcdSystemMemoryBase|0|UINT32|0x00000029 >> gArmTokenSpaceGuid.PcdSystemMemorySize|0|UINT32|0x0000002A
Seems you're using an old tree. The latest upstream code has: c357fd6a (Olivier Martin 2014-01-10 11:27:31 +0000 117) gArmTokenSpaceGuid.PcdSystemMemoryBase|0|UINT64|0x00000029 c357fd6a (Olivier Martin 2014-01-10 11:27:31 +0000 118) gArmTokenSpaceGuid.PcdSystemMemorySize|0|UINT64|0x0000002A And Linaro's UEFI tree has: 673251fe (Leif Lindholm 2014-01-20 17:18:16 +0000 117) gArmTokenSpaceGuid.PcdSystemMemoryBase|0|UINT64|0x00000029 673251fe (Leif Lindholm 2014-01-20 17:18:16 +0000 118) gArmTokenSpaceGuid.PcdSystemMemorySize|0|UINT64|0x0000002A >> >> At this point I don't see where/how to change ArmPLatformPlib get >> more memory available to Linux. >> >> Thanks, >> Victor >> >> On 6 February 2014 13:35, Tom Gall <tom.g...@linaro.org> wrote: >>> Is there a way to set how much memory an armv8 box will get when >>> running in the model? >>> >>> I'll really like to avoid setting up swap :-) >>> >>> Thanks! >>> >>> -- >>> Regards, >>> Tom >>> >>> "Where's the kaboom!? There was supposed to be an earth-shattering >>> kaboom!" Marvin Martian >>> Tech Lead, Graphics Working Group | Linaro.org │ Open source software >>> for ARM SoCs >>> w) tom.gall att linaro.org >>> h) tom_gall att mac.com >>> >>> _______________________________________________ >>> linaro-dev mailing list >>> linaro-dev@lists.linaro.org >>> http://lists.linaro.org/mailman/listinfo/linaro-dev > > > > -- > Regards, > Tom > > "Where's the kaboom!? There was supposed to be an earth-shattering > kaboom!" Marvin Martian > Tech Lead, Graphics Working Group | Linaro.org │ Open source software > for ARM SoCs > w) tom.gall att linaro.org > h) tom_gall att mac.com > > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
