From patchwork Mon Aug 14 04:25:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henry Wang X-Patchwork-Id: 13352333 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 48461C04A6A for ; Mon, 14 Aug 2023 04:26:23 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.583055.913067 (Exim 4.92) (envelope-from ) id 1qVP9S-0002Fg-JS; Mon, 14 Aug 2023 04:25:58 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 583055.913067; Mon, 14 Aug 2023 04:25:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qVP9S-0002FK-E8; Mon, 14 Aug 2023 04:25:58 +0000 Received: by outflank-mailman (input) for mailman id 583055; Mon, 14 Aug 2023 04:25:57 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qVP9R-0002FE-GS for xen-devel@lists.xenproject.org; Mon, 14 Aug 2023 04:25:57 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-sth1.inumbo.com (Halon) with ESMTP id a86cf4e4-3a5a-11ee-b288-6b7b168915f2; Mon, 14 Aug 2023 06:25:54 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 3A2D52F4; Sun, 13 Aug 2023 21:26:36 -0700 (PDT) Received: from a015966.shanghai.arm.com (a015966.shanghai.arm.com [10.169.190.5]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 251F53F64C; Sun, 13 Aug 2023 21:25:49 -0700 (PDT) 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: a86cf4e4-3a5a-11ee-b288-6b7b168915f2 From: Henry Wang To: xen-devel@lists.xenproject.org Cc: Henry Wang , Stefano Stabellini , Julien Grall , Bertrand Marquis , Wei Chen , Penny Zheng , Volodymyr Babchuk , Jan Beulich , Paul Durrant , =?utf-8?q?Rog?= =?utf-8?q?er_Pau_Monn=C3=A9?= Subject: [PATCH v5 00/13] xen/arm: Split MMU code as the prepration of MPU work Date: Mon, 14 Aug 2023 12:25:23 +0800 Message-Id: <20230814042536.878720-1-Henry.Wang@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Based on the discussion in the Xen Summit [1], sending this series out after addressing the comments in v4 [2] as the preparation work to add MPU support. Full series of single core MPU support to boot Linux guest can be found in [3], which passed the GitLab CI check in [4]. Mostly code movement, with some of Kconfig and build system (mainly Makefiles) adjustment. No functional change expected. This series is based on: a9a3b432a8 x86: adjust comparison for earlier signedness change [1] https://lore.kernel.org/xen-devel/AS8PR08MB799122F8B0CB841DED64F4819226A@AS8PR08MB7991.eurprd08.prod.outlook.com/ [2] https://lore.kernel.org/xen-devel/20230801034419.2047541-1-Henry.Wang@arm.com/ [3] https://gitlab.com/xen-project/people/henryw/xen/-/commits/mpu_v5/ [4] https://gitlab.com/xen-project/people/henryw/xen/-/pipelines/966450933 Henry Wang (4): xen/arm: Introduce CONFIG_MMU Kconfig option xen/arm64: Split and move MMU-specific head.S to mmu/head.S xen/arm64: Fold setup_fixmap() to create_page_tables() xen/arm: Extract MMU-specific code Penny Zheng (6): xen/arm: Fold pmap and fixmap into MMU system xen/arm: mm: Use generic variable/function names for extendability xen/arm: mmu: move MMU-specific setup_mm to mmu/setup.c xen/arm: mmu: move MMU specific P2M code to mmu/p2m.{c,h} xen/arm: mmu: relocate copy_from_paddr() to setup.c xen/arm: mmu: enable SMMU subsystem only in MMU Wei Chen (3): xen/arm64: head.S: Introduce enable_{boot,secondary}_cpu_mm() xen/arm64: prepare for moving MMU related code from head.S xen/arm: Move MMU related definitions from config.h to mmu/layout.h xen/arch/arm/Kconfig | 5 +- xen/arch/arm/Makefile | 1 + xen/arch/arm/arm32/head.S | 4 +- xen/arch/arm/arm64/Makefile | 2 +- xen/arch/arm/arm64/head.S | 496 +------ xen/arch/arm/arm64/mmu/Makefile | 2 + xen/arch/arm/arm64/mmu/head.S | 460 ++++++ xen/arch/arm/arm64/{ => mmu}/mm.c | 11 +- xen/arch/arm/arm64/smpboot.c | 6 +- xen/arch/arm/include/asm/arm64/macros.h | 36 + xen/arch/arm/include/asm/arm64/mm.h | 7 +- xen/arch/arm/include/asm/config.h | 132 +- xen/arch/arm/include/asm/fixmap.h | 7 +- xen/arch/arm/include/asm/mm.h | 30 +- xen/arch/arm/include/asm/mmu/layout.h | 146 ++ xen/arch/arm/include/asm/mmu/mm.h | 55 + xen/arch/arm/include/asm/mmu/p2m.h | 18 + xen/arch/arm/include/asm/p2m.h | 33 +- xen/arch/arm/include/asm/page.h | 15 - xen/arch/arm/include/asm/setup.h | 8 +- xen/arch/arm/kernel.c | 27 - xen/arch/arm/mm.c | 1119 -------------- xen/arch/arm/mmu/Makefile | 3 + xen/arch/arm/mmu/mm.c | 1153 +++++++++++++++ xen/arch/arm/mmu/p2m.c | 1610 ++++++++++++++++++++ xen/arch/arm/mmu/setup.c | 366 +++++ xen/arch/arm/p2m.c | 1772 ++--------------------- xen/arch/arm/setup.c | 326 +---- xen/arch/arm/smpboot.c | 4 +- xen/arch/arm/xen.lds.S | 1 + xen/drivers/passthrough/Kconfig | 3 +- 31 files changed, 4042 insertions(+), 3816 deletions(-) create mode 100644 xen/arch/arm/arm64/mmu/Makefile create mode 100644 xen/arch/arm/arm64/mmu/head.S rename xen/arch/arm/arm64/{ => mmu}/mm.c (95%) create mode 100644 xen/arch/arm/include/asm/mmu/layout.h create mode 100644 xen/arch/arm/include/asm/mmu/mm.h create mode 100644 xen/arch/arm/include/asm/mmu/p2m.h create mode 100644 xen/arch/arm/mmu/Makefile create mode 100644 xen/arch/arm/mmu/mm.c create mode 100644 xen/arch/arm/mmu/p2m.c create mode 100644 xen/arch/arm/mmu/setup.c