From patchwork Mon Aug 28 01:32:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henry Wang X-Patchwork-Id: 13367424 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 A1194C83F01 for ; Mon, 28 Aug 2023 01:33:02 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.591206.923573 (Exim 4.92) (envelope-from ) id 1qaR7Q-0000ic-Vd; Mon, 28 Aug 2023 01:32:40 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 591206.923573; Mon, 28 Aug 2023 01:32:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qaR7Q-0000iV-RH; Mon, 28 Aug 2023 01:32:40 +0000 Received: by outflank-mailman (input) for mailman id 591206; Mon, 28 Aug 2023 01:32:39 +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 1qaR7O-0000i9-Vt for xen-devel@lists.xenproject.org; Mon, 28 Aug 2023 01:32:38 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-sth1.inumbo.com (Halon) with ESMTP id c42f5cc7-4542-11ee-8783-cb3800f73035; Mon, 28 Aug 2023 03:32:36 +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 82AC22F4; Sun, 27 Aug 2023 18:33:15 -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 66B243F740; Sun, 27 Aug 2023 18:32:32 -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: c42f5cc7-4542-11ee-8783-cb3800f73035 From: Henry Wang To: xen-devel@lists.xenproject.org Cc: Henry Wang , Stefano Stabellini , Julien Grall , Bertrand Marquis , Wei Chen , Penny Zheng , Volodymyr Babchuk Subject: [PATCH v6 00/13] xen/arm: Split MMU code as the prepration of MPU work Date: Mon, 28 Aug 2023 09:32:11 +0800 Message-Id: <20230828013224.669433-1-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 v5 [2] as the preparation work to add MPU support. The series passed the GitLab CI check in [3]. Mostly code movement and function folding, with some of Kconfig and build system (mainly Makefiles) adjustment. This series is based on: ec272d8d4c CI: Always move the bisect build log back [1] https://lore.kernel.org/xen-devel/AS8PR08MB799122F8B0CB841DED64F4819226A@AS8PR08MB7991.eurprd08.prod.outlook.com/ [2] https://lore.kernel.org/xen-devel/20230814042536.878720-1-Henry.Wang@arm.com/ [3] https://gitlab.com/xen-project/people/henryw/xen/-/pipelines/982592897 Henry Wang (9): 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: Split page table related code to mmu/pt.c xen/arm: Split MMU system SMP MM bringup code to mmu/smpboot.c xen/arm: Fold mmu_init_secondary_cpu() to head.S xen/arm: Extract MMU-specific MM code xen/arm: Split MMU-specific setup_mm() and related code out xen/arm: Fold pmap and fixmap into MMU system Penny Zheng (2): xen/arm: Rename init_secondary_pagetables() to prepare_secondary_mm() xen/arm: mmu: move MMU specific P2M code to mmu/p2m.{c,h} Wei Chen (2): xen/arm64: head.S: Introduce enable_{boot,secondary}_cpu_mm() 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/Makefile | 1 + xen/arch/arm/arm32/head.S | 22 +- xen/arch/arm/arm32/mmu/Makefile | 1 + xen/arch/arm/arm32/mmu/mm.c | 301 ++++ xen/arch/arm/arm64/Makefile | 2 +- xen/arch/arm/arm64/head.S | 460 +----- xen/arch/arm/arm64/mmu/Makefile | 2 + xen/arch/arm/arm64/mmu/head.S | 481 ++++++ xen/arch/arm/arm64/{ => mmu}/mm.c | 84 ++ xen/arch/arm/include/asm/arm32/mm.h | 1 + xen/arch/arm/include/asm/arm64/macros.h | 36 + xen/arch/arm/include/asm/config.h | 132 +- xen/arch/arm/include/asm/mm.h | 28 +- xen/arch/arm/include/asm/mmu/layout.h | 146 ++ xen/arch/arm/include/asm/mmu/mm.h | 41 + xen/arch/arm/include/asm/mmu/p2m.h | 18 + xen/arch/arm/include/asm/p2m.h | 26 +- xen/arch/arm/include/asm/page.h | 15 - xen/arch/arm/include/asm/setup.h | 5 + xen/arch/arm/kernel.c | 28 - xen/arch/arm/mm.c | 1212 --------------- xen/arch/arm/mmu/Makefile | 4 + xen/arch/arm/mmu/p2m.c | 1736 +++++++++++++++++++++ xen/arch/arm/mmu/pt.c | 743 +++++++++ xen/arch/arm/mmu/setup.c | 372 +++++ xen/arch/arm/mmu/smpboot.c | 121 ++ xen/arch/arm/p2m.c | 1837 +---------------------- xen/arch/arm/setup.c | 324 +--- xen/arch/arm/smpboot.c | 4 +- xen/arch/arm/xen.lds.S | 1 + 32 files changed, 4222 insertions(+), 3968 deletions(-) create mode 100644 xen/arch/arm/arm32/mmu/Makefile create mode 100644 xen/arch/arm/arm32/mmu/mm.c 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 (60%) 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/p2m.c create mode 100644 xen/arch/arm/mmu/pt.c create mode 100644 xen/arch/arm/mmu/setup.c create mode 100644 xen/arch/arm/mmu/smpboot.c