Segmentation fault under A53 Linux by running sample.elf for communicating with M7 core

fengxianeric — Mon, 22 May 2023 09:41:58 GMT

On m7 core side, already loaded IPCF_Example_S32G399_M7_0.bin under uboot,

dcache off

mw.q 0x34000000 0x0 0x100000

fatload mmc 0:1 0x80000000 IPCF_Example_S32G399_M7_0.bin

cp.q 0x80000000 0x34300000 0x60000

startm7 0x34381000

On a53 linux side, loaded kernel modules and run elf program,
root@s32g399ardb3:~/release0511/baremetal# lsmod
Module Size Used by
ipc_shm_uio 20480 0
ipc_shm_dev 40960 0

root@s32g399ardb3:~/release0511/baremetal# ./sample.elf
Segmentation fault

Re: Segmentation fault under A53 Linux by running sample.elf for communicating with M7 core

Bio_TICFSL — Tue, 23 May 2023 12:58:02 GMT

Hello,

If the module that you have are from different kernel segmentation fault will find. No you are using ipfc with M7 than the resource appears busy when try to lead with the linux call.

Regards

topic Re: Segmentation fault under A53 Linux by running sample.elf for communicating with M7 core in S32G

Segmentation fault under A53 Linux by running sample.elf for communicating with M7 core

Re: Segmentation fault under A53 Linux by running sample.elf for communicating with M7 core