V_TF_DDP_BUF0_VALID
V_TF_DDP_BUF0_VALID(1) | V_TF_DDP_BUF1_VALID(1), ddp_flags, 0, 0);
ddp_flags |= V_TF_DDP_BUF0_VALID(1);
V_TF_DDP_BUF0_FLUSH(1) | V_TF_DDP_BUF0_VALID(1);
valid_flag = i == 0 ? V_TF_DDP_BUF0_VALID(1) :
V_TF_DDP_BUF0_VALID(1);
V_TF_DDP_BUF0_FLUSH(1) | V_TF_DDP_BUF0_VALID(1);