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Embedded Linux Development using Yocto Projects - Second Edition

You're reading from  Embedded Linux Development using Yocto Projects - Second Edition

Product type Book
Published in Nov 2017
Publisher
ISBN-13 9781788470469
Pages 162 pages
Edition 2nd Edition
Languages
Concepts
Authors (2):
Otavio Salvador Otavio Salvador
Profile icon Otavio Salvador
LinkedIn
Otavio Salvador loves technology and started his free software activities in 1999. In 2002, he founded O.S. Systems, a company focused on embedded system development services and consultancy worldwide, creating and maintaining customized BSPs, and helping companies with their product developments challenges. This resulted in his joining the OpenEmbedded community in 2008, when he became an active contributor to the OpenEmbedded project.
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Daiane Angolini Daiane Angolini
Profile icon Daiane Angolini
LinkedIn
Daiane Angolini has been working with embedded Linux since 2008. She has been working as an application engineer at NXP, acting on internal development, porting custom applications from Android, and on-site customer support for i.MX architectures in areas such as the Linux kernel, u-boot, Android, Yocto Project, and user-space applications. However, it was on the Yocto Project that she found her place.
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Toc

Table of Contents (22) Chapters close

Title Page
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Meeting the Yocto Project 2. Baking Our Poky-Based System 3. Using Toaster to Bake an Image 4. Grasping the BitBake Tool 5. Detailing the Temporary Build Directory 6. Assimilating Packaging Support 7. Diving into BitBake Metadata 8. Developing with the Yocto Project 9. Debugging with the Yocto Project 10. Exploring External Layers 11. Creating Custom Layers 12. Customizing Existing Recipes 13. Achieving GPL Compliance 14. Booting Our Custom Embedded Linux Index

Running images in QEMU

As many projects have a small portion that is hardware dependent, the hardware emulation comes to speed up the development process by enabling a test run without involving any actual hardware.

Quick EMUlator (QEMU) is a free and open source software package that performs hardware virtualization. The QEMU-based machines allow test and development without real hardware. Currently, the ARM, ARM64, MIPS, MIPS64, PowerPC, and x86 and x86-64 emulations are supported.

The runqemu script enables and makes use of QEMU with the OpenEmbedded-Core supported machines easier. The way to run the script is as follows:

$ runqemu <machine> <zimage> <filesystem>

Here, <machine> is the machine/architecture to be used as qemuarm, qemumips, qemuppc, qemux86, or qemux86-64. Also, <zimage> is the path to a kernel (for example, zimage-qemuarm.bin). Finally, <filesystem> is the path to an ext3 image (for example, filesystem-qemuarm.ext3) or an NFS directory....

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Authors (2)

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Profile icon Otavio Salvador
LinkedIn
Otavio Salvador loves technology and started his free software activities in 1999. In 2002, he founded O.S. Systems, a company focused on embedded system development services and consultancy worldwide, creating and maintaining customized BSPs, and helping companies with their product developments challenges. This resulted in his joining the OpenEmbedded community in 2008, when he became an active contributor to the OpenEmbedded project.
Read more
See other products by Otavio Salvador
Profile icon Daiane Angolini
LinkedIn
Daiane Angolini has been working with embedded Linux since 2008. She has been working as an application engineer at NXP, acting on internal development, porting custom applications from Android, and on-site customer support for i.MX architectures in areas such as the Linux kernel, u-boot, Android, Yocto Project, and user-space applications. However, it was on the Yocto Project that she found her place.
Read more
See other products by Daiane Angolini
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