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pr=C From: Ayan Kumar Halder To: CC: Ayan Kumar Halder , Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , "Volodymyr Babchuk" Subject: [PATCH v2 0/4] Enable early bootup of Armv8-R AArch32 systems Date: Thu, 13 Mar 2025 18:28:46 +0000 Message-ID: <20250313182850.1527052-1-ayan.kumar.halder@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9D8:EE_|MN0PR12MB6247:EE_ X-MS-Office365-Filtering-Correlation-Id: b3955d8b-ef79-40d1-41ce-08dd625cea6f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|82310400026|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?enRvQwiCc093Dw+3joPrfyFEUwGgmlZtZO24wlMg5k2hl8TvpBN1gptlXjH4?= =?us-ascii?Q?f85F2RfpoFlYGiFPPik/nXc3LHCu6PMUkljbAsXZV0dMNKzwY+0Z3jMQCJer?= =?us-ascii?Q?0llfrbbdOeVXq4LibLurQ6yUukev0zmumyyQUf4CgOB5X55Ty8mx6SMpYImJ?= =?us-ascii?Q?fjhWiJ4j5cSimBaomaVXph1grnEaAA8153TwPozP0koq/Zx8QHv1kGrW9Gyk?= =?us-ascii?Q?S/KFClpwFONztFjn+Pk0H7avBD5EE1AfA3jQW/Q1LhnxvBe1QaoVY8pgA58t?= =?us-ascii?Q?7fO+bf0Ky742sF0LERYCz8FLzi3J9jSmK7KK8AYgNjlz1ZPo9iAoUoprvk03?= =?us-ascii?Q?K8XO9VvvzWt3trkassPU58Y/9CAWgtpGwJPNQA1lDE6JsjWEAOAXHHDIaO2D?= =?us-ascii?Q?E1Aj+cP2VA4mIp/cYESOkn4PZfV8dURkjWRR7otnPYRNPF19nctq3l5ScVcc?= =?us-ascii?Q?MQ+RqZn/EG8BsdrZJoVod/QNJPKwzo3IYMeuBYU4GSse46q8WXxmfpn9FoHR?= =?us-ascii?Q?LASwr/elIvkURyW74QH99FP0IJ/8STmXj2JPyXlloI0imlvRsCZD7sbvjXx4?= =?us-ascii?Q?yDCtUXeoJFNx+PGTjP4IlK5+6JyUH8Wl7M2jakuVg4xz0StxlVaAVHI6A/78?= =?us-ascii?Q?MHT+8GkpR1Veh6ttaO8rocExhrk+0R2Oukfngw0WAxYnSzM/ZOfEaW9aYaEO?= =?us-ascii?Q?FiSAnm2pEOILgFU6MVeZAEKW486QeiWjcMp33tSm3QsE7m8fk8n+C0jg9/gx?= =?us-ascii?Q?cYr3sK7gJ1dqlxgex0tR0WqxktFtKIh29yW9H/z6mOS/k1I+MX0nvfZLygJa?= =?us-ascii?Q?ZE6YF3lLTmliwA/diZuqS5fkMQAx+qxPZhScWzEUzUT+8YhuPYjbv12Sw1jg?= =?us-ascii?Q?5j/8fpPfq8NcuCBGq1qT/irV9daKf+biizBmpxPt26dOP3zANd9Vhpqzkgd7?= =?us-ascii?Q?O3dGOY1h8qMQevU4Sw86t08y/eHPOtUcmafQWyOhD7ZRM50gWZeaVbj2F+Ae?= =?us-ascii?Q?aIliDqoxL7XMGAjiBgf01iaY1n38jy8U82FtzQcp3biA2MJ2nQqyQP/Qa2/Z?= =?us-ascii?Q?E+N1WJO0lkkd7W4QhwRpSeTLpEXG2Hcmc+QKKd3AXtO7h1NL//tv3tBV/doJ?= =?us-ascii?Q?oje46ihwQvC4diZCunMPjaRFuOp2OGnzyGA0jz8QXuzKo9X8k4ZZ9DDWaiAR?= =?us-ascii?Q?T54CQK5y9k8+IgxEp/MVSV3GxGphpWz3t7jh0IsiS/ykyqp0Cu/E/NzejdmX?= =?us-ascii?Q?ukB9mY0xsDB6+9CfpESfHez/1d+KjGtzKaULZ426DK6vD9feIGn2WMAMlU5V?= =?us-ascii?Q?zlTZ+GJYi+PNfWy1mdGHnKXcTWFJvyEX8EWIad2AKPYPBJKiOs4cvq08wDIU?= =?us-ascii?Q?cpnYKZeqPu94EpDdCyNS+BeEbjEtFOKBPGO1bxD1DiMy0DEX+5B6hj4w/H+y?= =?us-ascii?Q?V4qv3ize8JXDyBbTXmCCKuJfrZzUgiZe?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(1800799024)(82310400026)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2025 18:28:56.4589 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b3955d8b-ef79-40d1-41ce-08dd625cea6f X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000E9D8.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6247 Enabled early booting of Armv8-R AArch32 based systems. This patch serie with https://patchwork.kernel.org/project/xen-devel/list/?series=943154 and https://gitlab.com/xen-project/people/ayankuma/xen/-/commit/b407e5713c619821f3f5a55da65d4f8f380c3778 will enable build on Xen on Armv8-R AArch32 for MPU. The current patch serie does *not* conflict with the other serie. Thus, any of them can be committed in any order. Ayan Kumar Halder (3): xen/arm32: Initialize MM specific registers in enable_mmu xen/arm32: mpu: Create boot-time MPU protection regions xen/arm32: mpu: Implement a dummy enable_secondary_cpu_mm Michal Orzel (1): xen/arm32: Allow ARM_PA_BITS_40 only if !MPU xen/arch/arm/Kconfig | 2 +- xen/arch/arm/arm32/Makefile | 1 + xen/arch/arm/arm32/head.S | 14 -- xen/arch/arm/arm32/mmu/head.S | 15 +++ xen/arch/arm/arm32/mpu/Makefile | 1 + xen/arch/arm/arm32/mpu/head.S | 180 ++++++++++++++++++++++++++ xen/arch/arm/include/asm/cpregs.h | 4 + xen/arch/arm/include/asm/mpu/cpregs.h | 21 +++ 8 files changed, 223 insertions(+), 15 deletions(-) create mode 100644 xen/arch/arm/arm32/mpu/Makefile create mode 100644 xen/arch/arm/arm32/mpu/head.S create mode 100644 xen/arch/arm/include/asm/mpu/cpregs.h -- 2.25.1