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pr=C From: Ayan Kumar Halder To: , , , , , , CC: Subject: [PATCH v2 0/3] xen/arm: Add emulation of Debug Data Transfer Registers Date: Mon, 18 Dec 2023 20:29:56 +0000 Message-ID: <20231218202959.1390114-1-ayan.kumar.halder@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000042AC:EE_|BN9PR12MB5052:EE_ X-MS-Office365-Filtering-Correlation-Id: a66869c7-fb15-428e-5f8f-08dc00081eb8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(346002)(39860400002)(396003)(376002)(136003)(230922051799003)(451199024)(64100799003)(186009)(1800799012)(82310400011)(46966006)(40470700004)(36840700001)(40480700001)(40460700003)(47076005)(336012)(2906002)(86362001)(103116003)(70586007)(426003)(81166007)(1076003)(2616005)(26005)(83380400001)(356005)(36860700001)(82740400003)(6666004)(5660300002)(316002)(110136005)(41300700001)(36756003)(6636002)(966005)(8936002)(8676002)(478600001)(70206006)(4326008)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Dec 2023 20:30:05.3343 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a66869c7-fb15-428e-5f8f-08dc00081eb8 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000042AC.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN9PR12MB5052 Hi, Refer https://lore.kernel.org/all/alpine.DEB.2.22.394.2312071341540.1265976@ubuntu-linux-20-04-desktop/T/ for the previous discussion on this issue. Also, the linux earlycon hvc driver has been fixed. See https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=0ec058ece2f933aed66b76bd5cb9b5e6764853c3 Changes from v1:- 1. Split the change across 3 patches as per the design consensus. Ayan Kumar Halder (3): xen/arm: Add emulation of Debug Data Transfer Registers xen: arm: Introduce CONFIG_PARTIAL_EMULATION xen/arm: Introduce "partial-emulation" xen command line option docs/misc/xen-command-line.pandoc | 7 +++++ xen/arch/arm/Kconfig | 8 +++++ xen/arch/arm/arm64/vsysreg.c | 32 ++++++++++++++++--- xen/arch/arm/include/asm/arm64/hsr.h | 3 ++ xen/arch/arm/include/asm/cpregs.h | 2 ++ xen/arch/arm/include/asm/regs.h | 6 ++++ xen/arch/arm/include/asm/traps.h | 4 +++ xen/arch/arm/traps.c | 21 +++++++++++++ xen/arch/arm/vcpreg.c | 47 +++++++++++++++++++++++----- 9 files changed, 117 insertions(+), 13 deletions(-)