XEHPC_EUSTALL_REPORT_OVERFLOW_DROP
if (write_ptr_reg & XEHPC_EUSTALL_REPORT_OVERFLOW_DROP)
write_ptr_reg = REG_MASKED_FIELD_DISABLE(XEHPC_EUSTALL_REPORT_OVERFLOW_DROP);
write_ptr_reg = REG_MASKED_FIELD_ENABLE(XEHPC_EUSTALL_REPORT_OVERFLOW_DROP);
if (write_ptr_reg & XEHPC_EUSTALL_REPORT_OVERFLOW_DROP)