S2MM_NXTDESC (S2MM Next Descriptor Pointer) - 7.1 English

AXI DMA LogiCORE IP Product Guide (PG021)

Document ID
PG021
Release Date
2022-04-27
Version
7.1 English

This value provides the pointer to the next descriptor in the descriptor chain.

Figure 2-28: S2MM_NXTDESC

X-Ref Target - Figure 2-28

pg021_s2mm_nxtdesc_x14597.jpg
Table 2-33: S2MM_NXTDESC Details

Bits

Field Name

Description

5 to 0

Reserved

These bits are reserved and should be set to zero.

31 to 6

Next Descriptor Pointer

Indicates the lower order pointer pointing to the first word of the next descriptor.

Note: Descriptors must be 16-word aligned, that is, 0x00, 0x40, 0x80, and so forth. Any other alignment has undefined results.