From nobody Tue Feb 10 16:44:10 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=quarantine dis=none) header.from=proton.me ARC-Seal: i=1; a=rsa-sha256; t=1750737663; cv=none; d=zohomail.com; s=zohoarc; b=lEAMVdI6TEjsTHhoyX8AQDZJ7QOmf5yNuuNP8HN4n3R+t8cFaHMLm0eOZAkv5y9g8Ko9LnT1zgwuweCEUjFskIrUZ6BAwyU5FB4oIyBEhJ/R6YlMRKxEorHGNKduFikMH7x8aXWGx+c1VyJ8Wv0QPtsY/WIUlTg/Qv6OqmxGPO4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1750737663; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=EZ+uMveraa+cDZkwCgDIWFYhH2jzngRaVV7LukeCweg=; b=c8nLhC5gj9YJdZZChlwHhvB0dNlLvu1bLr5wF3B5rE+dT9dNeHXSsOKPl3plDfjlrGI57+7QQvlJxc26rNHxih0c3VIz/FWene6LM8fMo+/owWFai2tEMwG35ULLdj9L06gOY0caoBmJccoQ4CemtZI5aj95pRsq2qsGqlwAotY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1750737663475277.32561497686436; Mon, 23 Jun 2025 21:01:03 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1022953.1398834 (Exim 4.92) (envelope-from ) id 1uTuq4-0002Dp-FE; Tue, 24 Jun 2025 04:00:52 +0000 Received: by outflank-mailman (output) from mailman id 1022953.1398834; Tue, 24 Jun 2025 04:00:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uTuq4-0002Di-CH; Tue, 24 Jun 2025 04:00:52 +0000 Received: by outflank-mailman (input) for mailman id 1022953; Tue, 24 Jun 2025 04:00:50 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uTumS-000639-86 for xen-devel@lists.xenproject.org; Tue, 24 Jun 2025 03:57:08 +0000 Received: from mail-10629.protonmail.ch (mail-10629.protonmail.ch [79.135.106.29]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 4b73ea28-50af-11f0-b894-0df219b8e170; Tue, 24 Jun 2025 05:57:06 +0200 (CEST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 4b73ea28-50af-11f0-b894-0df219b8e170 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=protonmail; t=1750737425; x=1750996625; bh=EZ+uMveraa+cDZkwCgDIWFYhH2jzngRaVV7LukeCweg=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=XYoKRTdUwDz/DU7S9mYIwzelOwKSVrRTMDn1HZvw6DdtwhN77jLq6ATpPRZoN/qg3 YmaDRlyNpPIshkXaoGy4WRAn/4qwpjEAAa0aSxqkarl1JfknvJVAcirucw+7wTxtte b+s0q4KQQmHBPSv9xOmruko/r0oi+A7NVBwxaQKKgo2Ky7DOqi5aKlpkNBxTyjrQDo we0wtEUi/OatP7tFJ58T7DSt5p3WkHVYp7zuhcWu8xdmDYgUoaHr4G3sZK/1DPhqJK L3xL/Mbz8KhFT0arBWGp2tnY1nlsVZsz9gaNOmOJ5V0S3ni8eB8xQ+oTO4ytRTAUM1 M0yoalpTT9k2w== Date: Tue, 24 Jun 2025 03:57:00 +0000 To: xen-devel@lists.xenproject.org From: dmkhn@proton.me Cc: andrew.cooper3@citrix.com, anthony.perard@vates.tech, jbeulich@suse.com, julien@xen.org, michal.orzel@amd.com, oleksii.kurochko@gmail.com, roger.pau@citrix.com, sstabellini@kernel.org, dmukhin@ford.com Subject: [PATCH v1 14/16] drivers/vuart: move simple MMIO-based UART emulator Message-ID: <20250624035443.344099-15-dmukhin@ford.com> In-Reply-To: <20250624035443.344099-1-dmukhin@ford.com> References: <20250624035443.344099-1-dmukhin@ford.com> Feedback-ID: 123220910:user:proton X-Pm-Message-ID: f583a78ed85278e4f659d4fbdd3a908ebf03d47f MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @proton.me) X-ZM-MESSAGEID: 1750737663838116600 Content-Type: text/plain; charset="utf-8" From: Denis Mukhin =20 Move simple MMIO-based UART emulator under drivers/vuart and rename it to vuart-mmio.c to keep "vuart" for the vUART framework. No functional change intended. Signed-off-by: Denis Mukhin --- xen/arch/arm/Kconfig | 8 -------- xen/arch/arm/Makefile | 1 - xen/drivers/vuart/Kconfig | 9 +++++++++ xen/drivers/vuart/Makefile | 1 + xen/{arch/arm/vuart.c =3D> drivers/vuart/vuart-mmio.c} | 0 5 files changed, 10 insertions(+), 9 deletions(-) rename xen/{arch/arm/vuart.c =3D> drivers/vuart/vuart-mmio.c} (100%) diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index 6eeae97293f2..7b915abc6f18 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -170,14 +170,6 @@ config NEW_VGIC problems with the standard emulation. At the moment this implementation is not security supported. =20 -config HAS_VUART_MMIO - bool "Emulated UART for hardware domain" - default y - help - Allows a hardware domain to use a minimalistic UART (single transmit - and status register) which takes information from dtuart. Note that this - UART is not intended to be exposed (e.g. via device-tree) to a domain. - config ARM_SSBD bool "Speculative Store Bypass Disable" if EXPERT depends on HAS_ALTERNATIVE diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile index 8475043d8701..24bc9c88f7ac 100644 --- a/xen/arch/arm/Makefile +++ b/xen/arch/arm/Makefile @@ -67,7 +67,6 @@ obj-$(CONFIG_VM_EVENT) +=3D vm_event.o obj-y +=3D vtimer.o obj-y +=3D vsmc.o obj-y +=3D vpsci.o -obj-$(CONFIG_HAS_VUART_MMIO) +=3D vuart.o =20 extra-y +=3D xen.lds =20 diff --git a/xen/drivers/vuart/Kconfig b/xen/drivers/vuart/Kconfig index d8df0f6d1b3c..6002817152df 100644 --- a/xen/drivers/vuart/Kconfig +++ b/xen/drivers/vuart/Kconfig @@ -3,6 +3,15 @@ config HAS_VUART =20 if (ARM_32 || ARM_64) =20 +config HAS_VUART_MMIO + bool "Simple MMIO-based emulated UART support" + default y + select HAS_VUART + help + Enables minimalistic UART (single transmit and status register) which + takes information from dtuart. Note that this UART is not intended to + be exposed (e.g. via device-tree) to a domain. + config HAS_VUART_PL011 bool "Emulated PL011 UART support" default y diff --git a/xen/drivers/vuart/Makefile b/xen/drivers/vuart/Makefile index 3b7069f1cf95..1c775ffb7f1d 100644 --- a/xen/drivers/vuart/Makefile +++ b/xen/drivers/vuart/Makefile @@ -1 +1,2 @@ +obj-$(CONFIG_HAS_VUART_MMIO) +=3D vuart-mmio.o obj-$(CONFIG_HAS_VUART_PL011) +=3D vuart-pl011.o diff --git a/xen/arch/arm/vuart.c b/xen/drivers/vuart/vuart-mmio.c similarity index 100% rename from xen/arch/arm/vuart.c rename to xen/drivers/vuart/vuart-mmio.c --=20 2.34.1