SWD and the associated debug interfaces are all documented by ARM; there's no need to reverse-engineer anything here. See the ADIv5 documentation [1] for a star

SWD and the associated debug interfaces are all documented by ARM; there's no need to reverse-engineer anything here. See the ADIv5 documentation [1] for a starter. [1]: https://developer.arm.com/documentation/ihi0031/a https://developer.arm.com/documentation/ihi0031/a