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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C70E.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAWPR08MB9493 X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, FORGED_SPF_HELO, GIT_PATCH_0, KAM_DMARC_NONE, KAM_LOTSOFHASH, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781294481313035368 X-GMAIL-MSGID: 1781294481313035368 Hi, This patch adds support for 10 new AArch64 system registers (gcscre0_el1, gcscr_el1, gcscr_el12, gcscr_el2, gcscr_el3, gcspr_el0, gcspr_el1 ,gcspr_el12, gcspr_el2 and gcspr_el3), which are enabled on using Guarded Control Stack (+gcs flag) feature. Regression tested for aarch64-none-elf target and found no regressions. Ok for binutils-master? Regards, Srinath. diff --git a/gas/testsuite/gas/aarch64/gcs-sysregs-bad.d b/gas/testsuite/gas/aarch64/gcs-sysregs-bad.d new file mode 100644 index 0000000000000000000000000000000000000000..439c1bdbabaeb05ed23f998c76a409864b3d844e --- /dev/null +++ b/gas/testsuite/gas/aarch64/gcs-sysregs-bad.d @@ -0,0 +1,3 @@ +#as: -march=armv8-a +#source: gcs-sysregs.s +#error_output: gcs-sysregs-bad.l diff --git a/gas/testsuite/gas/aarch64/gcs-sysregs-bad.l b/gas/testsuite/gas/aarch64/gcs-sysregs-bad.l new file mode 100644 index 0000000000000000000000000000000000000000..9ebfd8cfde8bdd2109fc45eb21c466124ec0a5fb --- /dev/null +++ b/gas/testsuite/gas/aarch64/gcs-sysregs-bad.l @@ -0,0 +1,21 @@ +[^:]*: Assembler messages: +.*: Error: selected processor does not support system register name 'gcscr_el1' +.*: Error: selected processor does not support system register name 'gcscr_el1' +.*: Error: selected processor does not support system register name 'gcspr_el1' +.*: Error: selected processor does not support system register name 'gcspr_el1' +.*: Error: selected processor does not support system register name 'gcscr_el2' +.*: Error: selected processor does not support system register name 'gcscr_el2' +.*: Error: selected processor does not support system register name 'gcspr_el2' +.*: Error: selected processor does not support system register name 'gcspr_el2' +.*: Error: selected processor does not support system register name 'gcscr_el3' +.*: Error: selected processor does not support system register name 'gcscr_el3' +.*: Error: selected processor does not support system register name 'gcspr_el3' +.*: Error: selected processor does not support system register name 'gcspr_el3' +.*: Error: selected processor does not support system register name 'gcspr_el0' +.*: Error: selected processor does not support system register name 'gcspr_el0' +.*: Error: selected processor does not support system register name 'gcspr_el12' +.*: Error: selected processor does not support system register name 'gcspr_el12' +.*: Error: selected processor does not support system register name 'gcscr_el12' +.*: Error: selected processor does not support system register name 'gcscr_el12' +.*: Error: selected processor does not support system register name 'gcscre0_el1' +.*: Error: selected processor does not support system register name 'gcscre0_el1' diff --git a/gas/testsuite/gas/aarch64/gcs-sysregs.d b/gas/testsuite/gas/aarch64/gcs-sysregs.d new file mode 100644 index 0000000000000000000000000000000000000000..f75c2708a14be2555c14d0e043486da88c9b50ad --- /dev/null +++ b/gas/testsuite/gas/aarch64/gcs-sysregs.d @@ -0,0 +1,29 @@ +#name: Test of Guarded Control Stack system registers +#as: -march=armv8.8-a+gcs +#objdump: -dr + +.*: file format .* + +Disassembly of section \.text: + +0+ <.*>: +.*: d5182500 msr gcscr_el1, x0 +.*: d538251e mrs x30, gcscr_el1 +.*: d5182520 msr gcspr_el1, x0 +.*: d538253e mrs x30, gcspr_el1 +.*: d51c2500 msr gcscr_el2, x0 +.*: d53c251e mrs x30, gcscr_el2 +.*: d51c2520 msr gcspr_el2, x0 +.*: d53c253e mrs x30, gcspr_el2 +.*: d51e2500 msr gcscr_el3, x0 +.*: d53e251e mrs x30, gcscr_el3 +.*: d51e2520 msr gcspr_el3, x0 +.*: d53e253e mrs x30, gcspr_el3 +.*: d51b2520 msr gcspr_el0, x0 +.*: d53b253e mrs x30, gcspr_el0 +.*: d51d2520 msr gcspr_el12, x0 +.*: d53d253e mrs x30, gcspr_el12 +.*: d51d2500 msr gcscr_el12, x0 +.*: d53d251e mrs x30, gcscr_el12 +.*: d5182540 msr gcscre0_el1, x0 +.*: d538255e mrs x30, gcscre0_el1 diff --git a/gas/testsuite/gas/aarch64/gcs-sysregs.s b/gas/testsuite/gas/aarch64/gcs-sysregs.s new file mode 100644 index 0000000000000000000000000000000000000000..0f5de0153880166abac2c7f74b2c98210011e228 --- /dev/null +++ b/gas/testsuite/gas/aarch64/gcs-sysregs.s @@ -0,0 +1,20 @@ + msr gcscr_el1, x0 + mrs x30, gcscr_el1 + msr gcspr_el1, x0 + mrs x30, gcspr_el1 + msr gcscr_el2, x0 + mrs x30, gcscr_el2 + msr gcspr_el2, x0 + mrs x30, gcspr_el2 + msr gcscr_el3, x0 + mrs x30, gcscr_el3 + msr gcspr_el3, x0 + mrs x30, gcspr_el3 + msr gcspr_el0, x0 + mrs x30, gcspr_el0 + msr gcspr_el12, x0 + mrs x30, gcspr_el12 + msr gcscr_el12, x0 + mrs x30, gcscr_el12 + msr gcscre0_el1, x0 + mrs x30, gcscre0_el1 diff --git a/opcodes/aarch64-sys-regs.def b/opcodes/aarch64-sys-regs.def index 9adabea5cd41939dcde94c94579389b897ac7346..2f5780a21d49b9c2bf6b9e2c61aad82a7a5069b9 100644 --- a/opcodes/aarch64-sys-regs.def +++ b/opcodes/aarch64-sys-regs.def @@ -419,6 +419,16 @@ SYSREG ("fpcr", CPENC (3,3,4,4,0), 0, AARCH64_NO_FEATURES) SYSREG ("fpexc32_el2", CPENC (3,4,5,3,0), 0, AARCH64_NO_FEATURES) SYSREG ("fpsr", CPENC (3,3,4,4,1), 0, AARCH64_NO_FEATURES) + SYSREG ("gcspr_el0", CPENC (3,3,2,5,1), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcspr_el1", CPENC (3,0,2,5,1), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcspr_el2", CPENC (3,4,2,5,1), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcspr_el12", CPENC (3,5,2,5,1), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcspr_el3", CPENC (3,6,2,5,1), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcscre0_el1", CPENC (3,0,2,5,2), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcscr_el1", CPENC (3,0,2,5,0), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcscr_el2", CPENC (3,4,2,5,0), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcscr_el12", CPENC (3,5,2,5,0), F_ARCHEXT, AARCH64_FEATURE (GCS)) + SYSREG ("gcscr_el3", CPENC (3,6,2,5,0), F_ARCHEXT, AARCH64_FEATURE (GCS)) SYSREG ("gcr_el1", CPENC (3,0,1,0,6), F_ARCHEXT, AARCH64_FEATURE (MEMTAG)) SYSREG ("gmid_el1", CPENC (3,1,0,0,4), F_REG_READ|F_ARCHEXT, AARCH64_FEATURE (MEMTAG)) SYSREG ("gpccr_el3", CPENC (3,6,2,1,6), 0, AARCH64_NO_FEATURES)