From patchwork Tue Apr 1 08:58:51 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Fancellu X-Patchwork-Id: 14034503 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 0247AC36018 for ; Tue, 1 Apr 2025 08:59:22 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.933675.1335545 (Exim 4.92) (envelope-from ) id 1tzXSh-0002Op-NQ; Tue, 01 Apr 2025 08:59:11 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 933675.1335545; Tue, 01 Apr 2025 08:59:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tzXSh-0002Oi-KV; Tue, 01 Apr 2025 08:59:11 +0000 Received: by outflank-mailman (input) for mailman id 933675; Tue, 01 Apr 2025 08:59:10 +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 1tzXSg-0002OX-0K for xen-devel@lists.xenproject.org; Tue, 01 Apr 2025 08:59:10 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-sth1.inumbo.com (Halon) with ESMTP id 92103686-0ed7-11f0-9ea7-5ba50f476ded; Tue, 01 Apr 2025 10:59:08 +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 0D3D314BF; Tue, 1 Apr 2025 01:59:11 -0700 (PDT) Received: from e125770.cambridge.arm.com (e125770.arm.com [10.1.199.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6C8923F694; Tue, 1 Apr 2025 01:59:05 -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: 92103686-0ed7-11f0-9ea7-5ba50f476ded From: Luca Fancellu To: xen-devel@lists.xenproject.org Cc: Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk , Andrew Cooper , Anthony PERARD , Jan Beulich , =?utf-8?q?Roger_Pau_Monn=C3=A9?= , Alistair Francis , Bob Eshleman , Connor Davis , Oleksii Kurochko Subject: [PATCH v4 0/7] MPU mm subsystem skeleton Date: Tue, 1 Apr 2025 09:58:51 +0100 Message-Id: <20250401085858.2228991-1-luca.fancellu@arm.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Hi all, this serie implements the skeleton for the MPU memory management subsystem, at the end of the serie it will be possible to compile the Arm64 arch using MPU. The minimum Arm Kconfig configuration is this one: CONFIG_UNSUPPORTED=y CONFIG_MPU=y CONFIG_XEN_START_ADDRESS=0x0 Luca Fancellu (5): arm/mpu: Add HYPERVISOR_VIRT_START and avoid a check in xen.lds.S xen/arm: Introduce frame_table and virt_to_page arm/mpu: Kconfig symbols for MPU build arm/mpu: Implement stubs for ioremap_attr on MPU arm/mpu: Create the skeleton for MPU compilation Penny Zheng (2): xen/arm: Implement virt/maddr conversion in MPU system xen: introduce Kconfig ARCH_PAGING_MEMPOOL xen/arch/arm/Kconfig | 4 +- xen/arch/arm/arm64/mpu/Makefile | 2 + xen/arch/arm/arm64/mpu/p2m.c | 19 ++++++ xen/arch/arm/arm64/mpu/smpboot.c | 26 +++++++++ xen/arch/arm/dom0less-build.c | 70 +++++++++++++--------- xen/arch/arm/include/asm/domain.h | 2 + xen/arch/arm/include/asm/mm.h | 76 +++--------------------- xen/arch/arm/include/asm/mmu/mm.h | 70 ++++++++++++++++++++++ xen/arch/arm/include/asm/mpu/layout.h | 5 ++ xen/arch/arm/include/asm/mpu/mm.h | 41 +++++++++++++ xen/arch/arm/include/asm/mpu/p2m.h | 21 +++++++ xen/arch/arm/include/asm/p2m.h | 2 +- xen/arch/arm/mm.c | 5 ++ xen/arch/arm/mmu/pt.c | 5 -- xen/arch/arm/mpu/Makefile | 3 + xen/arch/arm/mpu/mm.c | 45 +++++++++++++- xen/arch/arm/mpu/p2m.c | 84 +++++++++++++++++++++++++++ xen/arch/arm/mpu/setup.c | 40 +++++++++++++ xen/arch/arm/mpu/vmap.c | 26 +++++++++ xen/arch/arm/xen.lds.S | 2 + xen/arch/riscv/stubs.c | 11 ---- xen/arch/x86/Kconfig | 1 + xen/common/Kconfig | 3 + xen/include/xen/domain.h | 17 ++++++ 24 files changed, 467 insertions(+), 113 deletions(-) create mode 100644 xen/arch/arm/arm64/mpu/p2m.c create mode 100644 xen/arch/arm/arm64/mpu/smpboot.c create mode 100644 xen/arch/arm/include/asm/mpu/mm.h create mode 100644 xen/arch/arm/include/asm/mpu/p2m.h create mode 100644 xen/arch/arm/mpu/p2m.c create mode 100644 xen/arch/arm/mpu/setup.c create mode 100644 xen/arch/arm/mpu/vmap.c