AR# 75881

描述

In the 2020.2 release versions of Yocto or PetaLinux, The AIE Matrix Multiplication demo application does not work on a VCK190 ES1 board.

解决方案

This is a known issue with the 2020.2 VCK190 ES1 when using the PetaLinux BSP or a Yocto Project, as the Versal ID code is hardcoded to the production silicon version.

To work around this issue, follow the steps below:

1. Clone the AIE Matrix Multiplication demo application from https://github.com/Xilinx/plnx-aie-examples/tree/rel-v2020.2 
2. Recompile the application for a VCK190 ES1 board using the 2020.2 AIE tools.
3. Follow the below PetaLinux or Yocto steps to package the application files to rootfs.

PetaLinux:

1) Copy the recompiled AIE Matrix Multiplication demo application project files such as Work, aie-matrix-multiplication.xclbin, aie-matrix-multiplication files to the aie-matrix-multiplication directory as shown below.

If these directory and recipes do not exist then manually create <plnx-proj-root>/project-spec/meta-user/recipes-apps/aie-matrix-multiplication/files/

$ mkdir -p <plnx-proj-root>/project-spec/meta-user/recipes-apps/aie-matrix-multiplication/files
$ cp -rf Work aie-matrix-multiplication.xclbin aie-matrix-multiplication <plnx-proj-root>/project-spec/meta-user/recipes-apps/aie-matrix-multiplication/files

2) Modify the aie-matrix-multiplication_%.bbappend file with the below content using a text editor:

$ vim <plnx-proj-root>/project-spec/meta-user/recipes-apps/aie-matrix-multiplication/aie-matrix-multiplication_%.bbappend
  
# aie-matrix-multiplication_%.bbappend content
SRC_URI_append = " \
	   file://aie-matrix-multiplication.xclbin \
	   file://aie-matrix-multiplication \
	   file://Work \
	  "
 
FILESEXTRAPATHS_prepend := "${THISDIR}/files:

3) Clean the aie-matrix-multiplication and rebuild the aie-matrix-multiplication recipes:

$ petalinux-build -c aie-matrix-multiplication -x cleanall
$ petalinux-build -c aie-matrix-multiplication

Yocto:

1) Copy the recompiled AIE Matrix Multiplication demo application project files such as Work, aie-matrix-multiplication.xclbin, aie-matrix-multiplication files to the aie-matrix-multiplication directory as shown below.

If these directory and recipes do not exist then manually create <yocto-proj-root>/sources/meta-petalinux/recipes-apps/aie-matrix-multiplication/files/

$ mkdir -p <yocto-proj-root>/sources/meta-petalinux/recipes-apps/aie-matrix-multiplication/files
$ cp -rf Work aie-matrix-multiplication.xclbin aie-matrix-multiplication <yocto-proj-root>/sources/meta-petalinux/recipes-apps/aie-matrix-multiplication/files

2) Modify the aie-matrix-multiplication_%.bbappend file with the below content using a text editor:

$ vim <yocto-proj-root>/sources/meta-petalinux/recipes-apps/aie-matrix-multiplication/aie-matrix-multiplication_%.bbappend
  
# aie-matrix-multiplication_%.bbappend content
SRC_URI_append = " \
	   file://aie-matrix-multiplication.xclbin \
	   file://aie-matrix-multiplication \
	   file://Work \
	  "
 
FILESEXTRAPATHS_prepend := "${THISDIR}/files:"

3) Clean the aie-matrix-multiplication and rebuild the aie-matrix-multiplication recipes:

$ bitbake aie-matrix-multiplication -c cleanall
$ bitbake aie-matrix-multiplication