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Thu, 13 Apr 2023 11:05:16 +0000 From: Joey Gouly To: CC: , , , , , , , , , , Subject: [PATCH v2 06/19] arm64: cpufeature: add TCR2 cpucap Date: Thu, 13 Apr 2023 12:05:00 +0100 Message-ID: <20230413110513.243326-7-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230413110513.243326-1-joey.gouly@arm.com> References: <20230413110513.243326-1-joey.gouly@arm.com> MIME-Version: 1.0 X-EOPAttributedMessage: 1 X-MS-TrafficTypeDiagnostic: AM7EUR03FT021:EE_|AS2PR08MB8830:EE_|AM7EUR03FT046:EE_|AS8PR08MB6728:EE_ X-MS-Office365-Filtering-Correlation-Id: 96a772b1-7b09-471b-abb9-08db3c0efd5e x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(136003)(39860400002)(346002)(396003)(376002)(451199021)(36840700001)(40470700004)(46966006)(2616005)(8936002)(44832011)(86362001)(81166007)(36860700001)(40480700001)(36756003)(4326008)(6916009)(8676002)(356005)(82740400003)(70586007)(82310400005)(5660300002)(70206006)(41300700001)(426003)(336012)(40460700003)(54906003)(478600001)(7696005)(6666004)(316002)(47076005)(186003)(1076003)(2906002)(26005)(36900700001);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Apr 2023 11:05:28.0168 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 96a772b1-7b09-471b-abb9-08db3c0efd5e X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM7EUR03FT046.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB6728 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230413_040536_287627_51A7DD09 X-CRM114-Status: GOOD ( 10.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This capability indicates if the system supports the TCR2_ELx system register. Signed-off-by: Joey Gouly Cc: Catalin Marinas Cc: Will Deacon Reviewed-by: Catalin Marinas Reviewed-by: Mark Brown --- arch/arm64/kernel/cpufeature.c | 10 ++++++++++ arch/arm64/tools/cpucaps | 1 + 2 files changed, 11 insertions(+) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 9590335b2ce0..6944d8bbb17c 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2783,6 +2783,16 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .matches = has_cpuid_feature, .cpu_enable = cpu_enable_dit, }, + { + .capability = ARM64_HAS_TCR2, + .type = ARM64_CPUCAP_SYSTEM_FEATURE, + .sys_reg = SYS_ID_AA64MMFR3_EL1, + .sign = FTR_UNSIGNED, + .field_pos = ID_AA64MMFR3_EL1_TCRX_SHIFT, + .field_width = 4, + .min_field_value = ID_AA64MMFR3_EL1_TCRX_IMP, + .matches = has_cpuid_feature, + }, {}, }; diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index 37b1340e9646..5859b9ee7444 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -41,6 +41,7 @@ HAS_RAS_EXTN HAS_RNG HAS_SB HAS_STAGE2_FWB +HAS_TCR2 HAS_TIDCP1 HAS_TLB_RANGE HAS_VIRT_HOST_EXTN