R-tile Avalon® Streaming Intel® FPGA IP for PCI Express* Design Example User Guide

ID 683544
Date 10/04/2021
Public

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2.4.5.10.1. Shared Memory Constants

The following constants are defined in altrpcietb_g3bfm_shmem.v. They select a data pattern for the shmem_fill and shmem_chk_ok routines. These shared memory constants are all Verilog HDL type integer.

Table 6.  Constants: Verilog HDL Type INTEGER

Constant

Description

SHMEM_FILL_ZEROS

Specifies a data pattern of all zeros

SHMEM_FILL_BYTE_INC

Specifies a data pattern of incrementing 8-bit bytes (0x00, 0x01, 0x02, etc.)

SHMEM_FILL_WORD_INC

Specifies a data pattern of incrementing 16-bit words (0x0000, 0x0001, 0x0002, etc.)

SHMEM_FILL_DWORD_INC

Specifies a data pattern of incrementing 32-bit DWORDs (0x00000000, 0x00000001, 0x00000002, etc.)

SHMEM_FILL_QWORD_INC

Specifies a data pattern of incrementing 64-bit qwords (0x0000000000000000, 0x0000000000000001, 0x0000000000000002, etc.)

SHMEM_FILL_ONE

Specifies a data pattern of all ones