when we want the Kernel to do someting for us), and the way Darwin accesses memory. For the listings in the book, this mostly concerns system calls (i.e. Linux and Darwin, which were both inspired by AT&T Unix System V, are significantly different at the level we are looking at.

Apple's operating systems (macOS, iOS, watchOS and tvOS) are actually just flavors of the Darwin operating system, so they share a set of common core components. With the exception of the existing iOS samples, the book is based on the Linux operating system. I would like to thank and They helped me when I hit a wall, or asked questions that let me improve the content. Especially for the later three systems it is not a necessity per-se (neither is Xcode 12.2), but it makes things a lot simpler.įinally, while all samples can be adjusted to work on the iPhone and all other of Apple's ARM64 devices, for best results you should have access to an Apple Silicon Mac, formerly known as the MWMNSA, the Machine We Must Not Speak About. If you are not sure that the tools are installed, check Preferences → Locations in Xcode or run xcode-select -install.Īll application samples also require at least macOS Big Sur, iOS 14 or their respective watchOS or tvOS equivalents. This ensures that the tools are found in default locations (namely /usr/bin). You need Xcode 12.2 or later, and to make things easier, the command line tools should be installed. While I pretty much assume that people who made it here meet most if not all required prerequisites, it doesn't hurt to list them. The original sourcecode can be found here. While Apple's marketing material seems to avoid a name for the platform and talks only about the M1 processor, the developer documentation uses the term 'Apple Silicon'. In this repository, I will code along with the book Programming with 64-Bit ARM Assembly Language, adjusting all sample code for Apple's ARM64 line of computers. An introduction to assembly on Apple Silicon Macs.

Learn assembly on mac