commit | 9eab61783e1e2cddf0c97c176fc91c73cb8a0f77 | [log] [tgz] |
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author | Jocelyn Dang <jocelyndang@google.com> | Tue Dec 11 11:20:31 2018 -0800 |
committer | CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> | Wed Dec 12 00:00:23 2018 +0000 |
tree | d182947c07a67601e8ae1e17bf0ad2037edb4dd3 | |
parent | 0ccba464938214f6f46f68c046246ac27da3c762 [diff] |
[usb-dfu] Beginnings of USB DFU driver. This is required to load firmware onto the USB ML device. The FIDL interface will be renamed later to fuchsia.usb.fwloader as discussed in ZX-3144. ZX-3155 #comment TEST= verified log messages when ML device is plugged in Change-Id: I822fc973844252453b9dfb224c2df84e6e0127de
Zircon is the core platform that powers the Fuchsia OS. Zircon is composed of a microkernel (source in kernel/...) as well as a small set of userspace services, drivers, and libraries (source in system/...) necessary for the system to boot, talk to hardware, load userspace processes and run them, etc. Fuchsia builds a much larger OS on top of this foundation.
The canonical Zircon Git repository is located at: https://fuchsia.googlesource.com/zircon
A read-only mirror of the code is present at: https://github.com/fuchsia-mirror/zircon
The Zircon Kernel provides syscalls to manage processes, threads, virtual memory, inter-process communication, waiting on object state changes, and locking (via futexes).
Currently there are some temporary syscalls that have been used for early bringup work, which will be going away in the future as the long term syscall API/ABI surface is finalized. The expectation is that there will be about 100 syscalls.
Zircon syscalls are generally non-blocking. The wait_one, wait_many port_wait and thread sleep being the notable exceptions.
This page is a non-comprehensive index of the zircon documentation.