On Mon, Nov 04, 2019 at 10:48:57AM -0500, Steve Pavao wrote: > > > On Nov 3, 2019, at 1:25 PM, Adrian Bunk <b...@stusta.de> wrote: > > > > On Sun, Nov 03, 2019 at 05:56:45PM +0000, Andrei Gherzan wrote: > >> On 3 November 2019 13:18:53 GMT, Khem Raj <raj.k...@gmail.com> wrote: > >>> On Sun, Nov 3, 2019 at 2:46 AM Andrei Gherzan <and...@gherzan.ro> > >>> wrote: > >>>> 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 > >>> > >> > >> As far as I know that is the latest revision. Do you mean that newer > >> revision might come up with this fixed? > > > > It is fixed in some r0p4 implementations, indicated in REVIDR[8]. > > I am closer to understanding why I experience an error when building with the > ARM errata switches. > > I believe it is related to 32-bit app support in my poky Linux 64-bit build > (I add this to support vcgencmd and vcdbg 32-bit apps.) > > When I remove the 32-bit support, the build completes OK. As of now, adding > the following seems to work fine to acheive this: > > TARGET_CC_ARCH_append += " -mfix-cortex-a53-843419 -mfix-cortex-a53-835769” > > Something in the following block seems to be the culprit.: > > # for vcgencmd and vcdbg 32-bit executable support in the OS image (comment > out for -c populate_sdk) > require conf/multilib.conf > MULTILIBS = "multilib:lib32" > DEFAULTTUNE_virtclass-multilib-lib32 = "armv7a" > IMAGE_INSTALL_append += " vcgencmd lib32-glibc lib32-libgcc lib32-libstdc++ > vcdbg rpi-setup \ > “ > > I will post again when I have localized the build problem further. Maybe > there’s some 64-bit vs. 32-bit build confusion going on, and the armv7a > default tune switch for 32-bits is colliding with the errata switches.
The errata switches are only valid for aarch64, not for armv7a. There is likely some kind of "invalid option" earlier in your build. > - Steve Pavao > Korg R&D cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto