#define PKT0(index, count) (PKT_TYPE_S(0) | PKT0_BASE_INDEX_S(index) | PKT_COUNT_S(count))
#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
+#define PKT2_NOP_PAD PKT_TYPE_S(2)
+#define PKT3_NOP_PAD PKT3(PKT3_NOP, 0x3fff, 0) /* header-only version */
+
#define PKT3_CP_DMA 0x41
/* 1. header
* 2. SRC_ADDR_LO [31:0] or DATA [31:0]