The Benefits of Using Linaro Embedded Toolchain on Ubuntu 64-Bit for Embedded Projects
How to Install and Use Linaro Embedded Toolchain on Ubuntu 64-Bit
If you are working on embedded development projects, you might need a cross-compiler toolchain that can generate executable code for your target device. One of the most popular and reliable toolchains for embedded development is Linaro Embedded Toolchain, which is based on the GNU Compiler Collection (GCC) and the LLVM Compiler Infrastructure.
Linaro embedded toolchain on Ubuntu 64-Bit
Linaro Embedded Toolchain supports various architectures and platforms, such as Arm, AArch64, x86_64, and RISC-V. It also provides optimized libraries and tools for embedded systems, such as GDB, binutils, newlib, and glibc.
In this article, we will show you how to install and use Linaro Embedded Toolchain on Ubuntu 64-Bit, which is one of the most widely used operating systems for embedded development. We will also show you how to test your toolchain by compiling a simple "Hello World" program for your target device.
Prerequisites
Before you start, you will need the following:
An Ubuntu 64-Bit machine with at least 4 GB of RAM and 10 GB of free disk space.
A stable internet connection to download the toolchain and other dependencies.
A target device that is supported by Linaro Embedded Toolchain. For this tutorial, we will use an Arm-based device as an example.
A USB cable or a serial cable to connect your target device to your Ubuntu machine.
A terminal emulator program such as PuTTY or minicom to communicate with your target device.
Step 1: Download Linaro Embedded Toolchain
The first step is to download the latest version of Linaro Embedded Toolchain from the official website: https://www.linaro.org/downloads/.
On the website, you will see different categories of downloads, such as GNU Toolchain, LLVM Toolchain, LAVA, SQUAD, and Tuxsuite. For this tutorial, we are interested in the GNU Toolchain category, which contains the pre-built binary toolchains for various architectures and platforms.
Under the GNU Toolchain category, you will see different subcategories, such as AArch64 Linux GNU, Arm Linux GNU EABIHF (Hard Float), Arm Linux GNU EABI (Soft Float), RISC-V Linux GNU (RV32GC/RV64GC), and x86_64 Linux GNU. For this tutorial, we will choose the Arm Linux GNU EABIHF (Hard Float) subcategory, which contains the toolchains for Arm-based devices with hardware floating-point support.
Under the Arm Linux GNU EABIHF (Hard Float) subcategory, you will see different versions of the toolchains, such as 7.5-2019.12, 7.4-2019.02, 7.3-2018.05, and so on. For this tutorial, we will choose the latest version available at the time of writing this article, which is 7.5-2019.12.
Under the 7.5-2019.12 version, you will see different files with different extensions, such as .tar.xz, .sha256sums.asc, .manifest.txt, and so on. For this tutorial, we will download the file with the .tar.xz extension, which is a compressed archive file that contains the toolchain binaries and libraries.
The file name for the .tar.xz file is gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.xz. You can download it by clicking on it or by using the wget command in your terminal:
The file size is about 100 MB and it may take some time to download depending on your internet speed.
Step 2: Extract Linaro Embedded Toolchain
The next step is to extract the downloaded file to a directory of your choice. For this tutorial, we will extract it to a directory called linaro-toolchain in our home directory.
To extract the file, you can use the tar command in your terminal:
tar xf gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.xz -C /linaro-toolchain
This will create a subdirectory called gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf inside the linaro-toolchain directory. This subdirectory contains all the files and directories of the toolchain.
Step 3: Add Linaro Embedded Toolchain to PATH
The final step before using the toolchain is to add it to your PATH environment variable. This will allow you to access the toolchain commands from any directory in your terminal.
To add the toolchain to your PATH, you can edit your /.bashrc file and append the following line at the end:
export PATH=$PATH:/linaro-toolchain/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin
This will add the bin directory of the toolchain to your PATH.
To apply the changes, you need to source your /.bashrc file or restart your terminal:
source /.bashrc
To verify that the toolchain is added to your PATH correctly, you can run the following command:
arm-linux-gnueabihf-gcc --version
This should print out something like this:
arm-linux-gnueabihf-gcc (Linaro GCC 7.5-2019.12) 7.5.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Step 4: Test Linaro Embedded Toolchain
Now that you have installed and configured Linaro Embedded Toolchain on your Ubuntu 64-Bit machine, you can test it by compiling a simple "Hello World" program for your target device.
To do this, you need to create a C source file that contains the following code:
#include
int main(void)
printf("Hello World from Linaro Embedded Toolchain!\n");
return 0;
You can save this file as hello.c in any directory of your choice.
To compile this file for your target device, you need to use the arm-linux-gnueabihf-gcc command with the appropriate flags and options. For this tutorial, we will use the following command:
arm-linux-gnueabihf-gcc -static -o hello hello.c
This will create an executable file called hello in the same directory as the source file. The -static flag tells the compiler to link all the required libraries statically into the executable. This will make the executable independent of any shared libraries on the target device.
Step 5: Run Linaro Embedded Toolchain
The final step is to run the compiled executable on your target device and see the output. To do this, you need to transfer the executable file to your target device using a USB cable or a serial cable.
For this tutorial, we will assume that you have connected your target device to your Ubuntu machine using a USB cable and that your target device appears as /dev/ttyUSB0 in your Ubuntu machine.
To transfer the executable file to your target device, you can use the scp command in your terminal:
scp hello root@/dev/ttyUSB0:/root
This will copy the hello file to the root directory of your target device. You may need to enter the password for the root user of your target device.
To run the executable file on your target device, you need to use a terminal emulator program such as PuTTY or minicom to communicate with your target device. For this tutorial, we will use minicom as an example.
To launch minicom, you can use the following command in your terminal:
sudo minicom -D /dev/ttyUSB0
This will open a new window that shows the console output of your target device. You may need to enter your sudo password and adjust some settings such as baud rate and flow control.
To run the hello file on your target device, you need to type the following command in the console:
./hello
This should print out something like this:
Hello World from Linaro Embedded Toolchain!
Congratulations! You have successfully installed and used Linaro Embedded Toolchain on Ubuntu 64-Bit.
Step 6: Explore Linaro Embedded Toolchain
Linaro Embedded Toolchain is a powerful and flexible toolchain that can help you develop and optimize embedded applications for various architectures and platforms. It provides many features and options that you can use to customize and fine-tune your compilation process.
For example, you can use different optimization levels to improve the performance or the size of your executable. You can also use different debugging options to enable or disable various debugging information in your executable. You can also use different libraries and tools to enhance the functionality and compatibility of your executable.
To learn more about the features and options of Linaro Embedded Toolchain, you can refer to the official documentation: https://releases.linaro.org/components/toolchain/binaries/latest/arm-linux-gnueabihf/.
You can also refer to the online manuals of GCC and LLVM, which are the core components of Linaro Embedded Toolchain:
GCC Manual: https://gcc.gnu.org/onlinedocs/gcc/
LLVM Manual: https://llvm.org/docs/
Step 7: Update Linaro Embedded Toolchain
Linaro releases new versions of Linaro Embedded Toolchain regularly, which contain bug fixes, improvements, and new features. It is recommended that you update your toolchain periodically to get the latest and best version available.
To update your toolchain, you can follow the same steps as installing it, but with a different version number. For example, if you want to update your toolchain to version 8.3-2019.03, you can use the following commands:
tar xf gcc-linaro-8.3.0-2019.03-x86_64_arm-linux-gnueabihf.tar.xz -C /linaro-toolchain
export PATH=$PATH:/linaro-toolchain/gcc-linaro-8.3.0-2019.03-x86_64_arm-linux-gnueabihf/bin
This will download, extract, and add the new version of the toolchain to your PATH.
To verify that the update is successful, you can run the following command:
arm-linux-gnueabihf-gcc --version
This should print out something like this:
arm-linux-gnueabihf-gcc (Linaro GCC 8.3-2019.03) 8.3.0
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Conclusion
Linaro Embedded Toolchain is a great toolchain for embedded development on Ubuntu 64-Bit. It supports various architectures and platforms, such as Arm, AArch64, x86_64, and RISC-V. It also provides optimized libraries and tools for embedded systems, such as GDB, binutils, newlib, and glibc.
In this article, we have shown you how to install and use Linaro Embedded Toolchain on Ubuntu 64-Bit. We have also shown you how to test your toolchain by compiling and running a simple "Hello World" program for your target device. We have also shown you how to explore the features and options of the toolchain and how to update it to the latest version.
We hope this article has been helpful and informative for you. If you have any questions or feedback, please feel free to contact us. Thank you for reading and happy coding! b99f773239
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