Arria V Avalon-ST Interface for PCIe Solutions User Guide

ID 683733
Date 6/03/2020
Public

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15.6.10.2. shmem_write Task

The shmem_write procedure writes data to the BFM shared memory.

Location

altpcietb_bfm_driver_rp.v

Syntax

shmem_write(addr, data, leng)

Arguments

addr

BFM shared memory starting address for writing data

data

Data to write to BFM shared memory.

This parameter is implemented as a 64‑bit vector. leng is 1–8 bytes. Bits 7 down to 0 are written to the location specified by addr; bits 15 down to 8 are written to the addr+1 location, etc.

length

Length, in bytes, of data written