![]() Linaro if you run a newish version of Ubuntu you can install it directly with “ sudo apt-get install gcc-arm-linux-gnueabi“,.Emdebian here some instructions on how to install,.Depending on your distribution and what works for your setup, you can choose from different toolchains: A cross-compiler produces binaries for a different architecture (in our case ARMv7). The difference between a traditional compiler and a cross-compiler is that the traditional compiler runs on an architecture (for example x86_64) and produces binaries for the same architecture. To compile the kernel for ARM architecture, a cross-compiler must be installed. To manage the kernel compilation, GNU make should be installed (it is usually in build-essential package) In order to follow the same steps that I did, you need some tools.įirst of all, anything I do is performed on a Linux machine, specifically a Debian testing distribution, in a bash shell. Moreover, this hardware platform runs on the Cortex-A9 core, which is an ARM CPU that is included in many smartphones today. I chose to emulate the Versatile Express product because it’s well supported both by the mainline Linux kernel and by mainline QEMU. To simplify things, the boot will not include a complete filesystem but uses a minimal ramdisk to show the kernel executing just one program. I am going to show how to compile the kernel and emulate the boot. While most of these products are quite expensive (think about smartphones, development kits or evaluation boards) it’s possible to explore the world of Linux on ARM freely, thanks to software emulators like QEMU. This tutorial is an updated version of this old post, with newer software and less obsolete emulated hardware.Įvery year the market produces tons of new products that run on ARM cores, and are able to run operating systems such as Linux.
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