On Sun, Nov 3, 2019 at 2:46 AM Andrei Gherzan <and...@gherzan.ro> wrote:
> On 01/11/2019 17:18, Khem Raj wrote: > > On Fri, Nov 1, 2019 at 1:28 AM Andrei Gherzan <and...@gherzan.ro> wrote: > >> > >> Hi Steve, > >> > >> On 01/11/2019 05:32, Steve Pavao wrote: > >>> poky linux build fails when ARM erratum mfix linker switch is specified > >>> in local.conf: > >>> > >>> TARGET_LD_ARCH_append += " -mfix-cortex-a53-843419” > >>> > >>> causes build failure. > >>> > >>> Please advise how to use this switch successfully. I am synced current > >>> in master branch in all layers as of today. The switch causes libtool > >>> link to fail due to missing libbz2.so. If I don’t specify the switch, > >>> the build completes without errors. > >>> > >>> It is important to be able to build poky linux with this switch to > avoid > >>> certain crash conditions as described in the ARM errata document. > >> > >> I haven't tried this erratum fix. It is indeed implemented at the > >> linker's lever. It's curious though to see the bz2 dependency. Can you > >> share the specific error? I assume you are doing this on RPi3. > >> > > > > this will impact rpi3 in 64bit mode, don't think 32bit needs this. I > > think its best to > > add this option in raspberrypi3-64.conf perhaps via TUNE_CCARGS > > I was thinking about this. The erratum seems to show that this applies > to all revisions of a53. So it sounds like we should add it in > `tune-cortexa53.inc`. > Up to r0b4 only so maybe not all a53 implementations are impacted > > -- > Andrei Gherzan >
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