Re: [meta-freescale] data abort compiling u-boot with GCC != 6.4

["Max Krummenacher" <max.oss.09@gmail.com>]

Hi

Have a look here:
https://www.yoctoproject.org/pipermail/yocto/2018-March/040486.html

So either update your U-Boot to something newer, cherry-pick the mentioned commit from upstream U-
Boot or pin the compiler to gcc 6.4.

Max

Am Dienstag, den 17.03.2020, 10:28 -0700 schrieb Federico Giovanardi:
> I'm getting a data-abort exception every time i access the FEC ethernet device from u-boot; it
> happens using tftp or just ping.
> 
> > 
> > => ping 172.31.4.2
> > Using FEC device
> > data abort
> > pc : [<4ffd769c>]          lr : [<4ffd8960>]
> > reloc pc : [<1782d69c>]    lr : [<1782e960>]
> > sp : 4f5a7d00  ip : 0000006a     fp : 4ffb427c
> > r10: 00000000  r9 : 4f5a7eb8     r8 : 4ffee74c
> > r7 : 00000001  r6 : 00000000     r5 : 0000002a  r4 : 4ffec94e
> > r3 : 14000045  r2 : 01041fac     r1 : 02041fac  r0 : 4ffec94e
> > Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
> > Resetting CPU ...
> 
> With the same source everything works fine just switching the compiler.
> 
> I'm using u-boot 2016-07, almost not customized except for a pin used to keep the board up.
> For now I've tested with:
> 
> arm-poky-linux-gnueabi-gcc 9.2   -> FAIL
> arm-poky-linux-gnueabi-gcc 7.3   -> FAIL
> arm-poky-linux-gnueabi-gcc 6.4   -> OK
> 
> all the toolchain are generated using yocto and are know to be working correctly.
> U-boot is compiled with:
> 
> > 
> > CROSS_COMPILE=/opt/poky-arag/2.2.1/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-
> > gnueabi/arm-poky-linux-gnueabi-
> > 
> > make mrproper
> > make ARCH=arm CROSS_COMPILE=$CROSS_COMPILE delta70_defconfig
> > make ARCH=arm CROSS_COMPILE=$CROSS_COMPILE
> 
> without environment variables affecting compilation, build host is arch linux just updated, I've
> tried also in an ubuntu 16.04 chroot
> but with the same result.
> 
> Any clue?
> 
> Regards.
> Federico Giovanardi
>