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	*Solution:		*Solution:
		+	1. Modify the nios2-download file:
		+
		+	i: The location of the nios2-download file is in <Quartus installation location>\Quartus version\nios2eds\bin\. For example: c:\intelFPGA_pro\20.2\nios2eds\bin\
		+
		+	ii: Find the content '''$(adjust_path_mixed $srecfile)''' in the '''nios2-download''' file, and add '''touch $srecfile''' in the previous line.

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Revision as of 13:58, 14 September 2020

Starting with the Nios® II EDS in the Intel® Quartus® Prime Pro Edition software version 19.2 and Intel® Quartus® Prime Standard Edition software version 19.1, the Cygwin component in the Windows* version of Nios II EDS has been removed and replaced with Windows Subsystem for Linux(WSL)

Contents 1 Install Setps 2 Reference 3 Issues 3.1 WSL2 3.2 deme_batch execute error

Install Setps

1. Open PowerShell as Administrator

   

2. Run : Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-Linux

   

3. Restart your computer when prompted.
4. Install the Linux Distribution on your Windows 10, Please install Ubuntu 18.04 LTS for WSL from the flowing link: Ubuntu 18.04 LTS

   Note: Windows* 10 build version 16215.0 or higher is the recommended operating system version.

5. From the distro's page, select "Get"

   

6. Now that your Linux distro is installed, you must initialize your new distro instance once, before it can be used. You will be prompted to create a new user account (and its password).

   

7. Most distros ship with an empty/minimal package catalog. We strongly recommend regularly updating your package catalog, and upgrading your installed packages using your distro's preferred package manager. On Debian/Ubuntu, you use apt:

   sudo apt update && sudo apt upgrade

   

8. Install additional distro packages required for Nios® II EDS using the following command:

   sudo apt install wsl

   sudo apt install dos2unix

   sudo apt install make

   

9. Once the installation is complete, the WSL is installed.

Reference

• Section 2.1 "Installing Windows Subsystem for Linux (WSL) on Windows" of Nios II Software Developer Handbook

Issues

WSL2

If users install to WSL2 version, they may encounter the following problems:

To check the version of WSL installed, users can enter in the Command Prompt window:

wsl -l -v

If the version of WSL is 2, you can enter the following command in the Command Prompt window to change the WSL version to 1.

wsl --set-version Ubuntu-18.04 1

deme_batch execute error

• Problem description:

  When executing deme_batch, the following error occurred

• Reason:

  Microsoft modified the behavior of wslpath, causing nios2-download to fail to resolve the path correctly

  reference: https://github.com/microsoft/WSL/issues/4908#issuecomment-642024969

• Solution:

1. Modify the nios2-download file:

i: The location of the nios2-download file is in <Quartus installation location>\Quartus version\nios2eds\bin\. For example: c:\intelFPGA_pro\20.2\nios2eds\bin\

ii: Find the content $(adjust_path_mixed $srecfile) in the nios2-download file, and add touch $srecfile in the previous line.