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Tue, 11 Jun 2024 08:22:53 +0000 (UTC) Received: from redhat.com (unknown [10.42.28.73]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 1B30E1956048; Tue, 11 Jun 2024 08:22:47 +0000 (UTC) Date: Tue, 11 Jun 2024 09:22:44 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Manos Pitsidianakis Cc: qemu-devel@nongnu.org, Stefan Hajnoczi , Mads Ynddal , Paolo Bonzini , Peter Maydell , Alex =?utf-8?Q?Benn=C3=A9e?= , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , Thomas Huth , Markus Armbruster , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Zhao Liu , Gustavo Romero , Pierrick Bouvier Subject: Re: [RFC PATCH v1 0/6] Implement ARM PL011 in Rust Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.12 (2023-09-09) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.143, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, Jun 10, 2024 at 09:22:35PM +0300, Manos Pitsidianakis wrote: > Hello everyone, > > This is an early draft of my work on implementing a very simple device, > in this case the ARM PL011 (which in C code resides in hw/char/pl011.c > and is used in hw/arm/virt.c). looking at the diffstat: > .gitignore | 2 + > .gitlab-ci.d/buildtest.yml | 64 ++-- > configure | 12 + > hw/arm/virt.c | 2 +- > meson.build | 99 ++++++ > meson_options.txt | 4 + > rust/meson.build | 93 ++++++ > rust/pl011/.cargo/config.toml | 2 + > rust/pl011/.gitignore | 2 + > rust/pl011/Cargo.lock | 120 +++++++ > rust/pl011/Cargo.toml | 26 ++ > rust/pl011/README.md | 42 +++ > rust/pl011/build.rs | 44 +++ > rust/pl011/meson.build | 7 + > rust/pl011/rustfmt.toml | 10 + > rust/pl011/src/definitions.rs | 95 ++++++ > rust/pl011/src/device.rs | 531 ++++++++++++++++++++++++++++++ > rust/pl011/src/device_class.rs | 95 ++++++ > rust/pl011/src/generated.rs | 5 + > rust/pl011/src/lib.rs | 575 +++++++++++++++++++++++++++++++++ > rust/pl011/src/memory_ops.rs | 38 +++ My thought is that if we're going to start implementing devices or other parts of QEMU, in Rust, then I do not want to see it placed in a completely separate directory sub-tree. In this example, I would expect to have hw/arm/pl011.rs, or hw/arm/pl011/*.rs so that the device is part of the normal Arm hardware directory structure and maintainer assignments. With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|