Disable A extension in CV32A60X step1 config. Adapt CVA6 BSP accordingly. (!1605) · Merge requests · OpenHW Group / backup-20241120 / core-v-verif

Created by: zchamski

Account for the absence of A extension in CV32A60X step1 configuration and in BSP code.

cva/sim/cva6.py (load_config): Disable A extension for cv32a60x config.
cva6/tests/custom/common/syscalls.c (syscall): Do not use synchronization primitives without A extension.
cva6/tests/custom/common/util.h (barrier): Disable functionality when no A extension is present.

Disable A extension in CV32A60X step1 config. Adapt CVA6 BSP accordingly.