SR_SRWD
sr |= SR_SRWD;
if (sr & SR_SRWD) {
sr &= ~SR_SRWD;
nor->dfs_sr_cache[0] = sr[0] & (bp_mask | tb_mask | SR_SRWD);
best_status_new[0] |= SR_SRWD;
best_status_new[0] &= ~SR_SRWD;