How do you cross-compile a kernel?

How to cross-compile Embedded Linux (Part 2): Kernel

  1. A little bit about Linux kernel.
  2. Getting the kernel source code.
  3. Get the proper config and start the compilation.
  4. Setup the toolchain.
  5. Compiling the kernel.
  6. Flashing the kernel image.

What is cross compilation Linux?

Cross-compilation is the act of compiling code for one computer system (often known as the target) on a different system, called the host. It’s a very useful technique, for instance when the target system is too small to host the compiler and all relevant files.

What is a cross-compiler in programming?

A cross compiler is a compiler capable of creating executable code for a platform other than the one on which the compiler is running. For example, a compiler that runs on a PC but generates code that runs on an Android smartphone is a cross compiler.

What is kernel compilation?

Yes, compiling a kernel usually means: Downloading the source code. Possibly modifying the source code (most non-programmers don’t usually do this). Configuring the kernel (what features/modules/drivers to include, etc.) Compiling it.

How do I cross compile the Linux kernel for an ARM board?

Cross compiling Linux ARM kernel modules

  1. Target system. I will use this configuration as an example, but you can apply the same method for other environments.
  2. Download linux kernel source.
  3. Download cross compiler toolchain.
  4. Take out kernel build config.
  5. Build the kernel.
  6. Build the module.

What is cross compilation and native compilation?

A Cross compiler is a compiler that generates executable code for a platform other than one on which the compiler is running. For example a compiler that running on Linux/x86 box is building a program which will run on a separate Arduino/ARM. Difference between Native Compiler and Cross Compiler : Native Compiler.

What is cross-compilation and native compilation?

How compile and install Linux kernel from source code?

  1. Step 1: Download the Source Code.
  2. Step 2: Extract the Source Code.
  3. Step 3: Install Required Packages.
  4. Step 4: Configure Kernel.
  5. Step 5: Build the Kernel.
  6. Step 6: Update the Bootloader (Optional)
  7. Step 7: Reboot and Verify Kernel Version.

What is ARM Linux Gnueabihf?

gcc-arm-linux-gnueabihf is the cross-toolchain package for the armhf architecture. This toolchain implies the EABI generated by the gcc -mfloat-abi=hard option.