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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM1PEPF000252DD.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAWPR08MB9054 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+patchwork=sourceware.org@sourceware.org Hi, This patch adds features to the Statistical Profiling Extension, identified as FEAT_SPEv1p4, FEAT_SPE_FDS, and FEAT_SPE_CRR, which are enabled by default from Armv9.4-A. Also adds support for system register "pmsdsfr_el1". Regression tested for aarch64-none-elf target and found no regressions. Ok for binutils-master? Regards, Srinath. diff --git a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.d b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.d new file mode 100644 index 0000000000000000000000000000000000000000..2471b6b52c31183b0aef6f089fcc3ce22089ee98 --- /dev/null +++ b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.d @@ -0,0 +1,3 @@ +#as: -march=armv8.8-a +#source: armv8_9-a-sysregs.s +#error_output: armv8_9-a-sysregs-bad.l diff --git a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.l b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.l new file mode 100644 index 0000000000000000000000000000000000000000..48c55680aa07618cd1f0c165435533fe4dd31e41 --- /dev/null +++ b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs-bad.l @@ -0,0 +1,3 @@ +.*: Assembler messages: +.*: Error: selected processor does not support system register name 'pmsdsfr_el1' +.*: Error: selected processor does not support system register name 'pmsdsfr_el1' diff --git a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.d b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.d new file mode 100644 index 0000000000000000000000000000000000000000..d4cb769fdf63aaa89ac4c410982cd20ac12bbd4d --- /dev/null +++ b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.d @@ -0,0 +1,10 @@ +#as: -march=armv8.9-a +#objdump: -dr + +.*: file format .* + +Disassembly of section \.text: + +0+ <.*>: +.*: d53c9a83 mrs x3, pmsdsfr_el1 +.*: d51c9a83 msr pmsdsfr_el1, x3 diff --git a/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.s b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.s new file mode 100644 index 0000000000000000000000000000000000000000..4200d7ce60ed21822731a836214bb44aeeea57ac --- /dev/null +++ b/gas/testsuite/gas/aarch64/armv8_9-a-sysregs.s @@ -0,0 +1,2 @@ + mrs x3, PMSDSFR_EL1 + msr PMSDSFR_EL1, x3 diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h index 6be2885c78fbd5213220d22ce3218c39bb03916f..881a4211eabfad2cc4442efc78eb37c06d26973d 100644 --- a/include/opcode/aarch64.h +++ b/include/opcode/aarch64.h @@ -163,6 +163,12 @@ enum aarch64_feature_bit { AARCH64_FEATURE_CHK, /* Guarded Control Stack. */ AARCH64_FEATURE_GCS, + /* SPE Call Return branch records. */ + AARCH64_FEATURE_SPE_CRR, + /* SPE Filter by data source. */ + AARCH64_FEATURE_SPE_FDS, + /* Additional SPE events. */ + AARCH64_FEATURE_SPEv1p4, /* SME2. */ AARCH64_FEATURE_SME2, /* Translation Hardening Extension. */ @@ -224,7 +230,10 @@ enum aarch64_feature_bit { #define AARCH64_ARCH_V8_8A_FEATURES(X) (AARCH64_FEATBIT (X, V8_8A) \ | AARCH64_FEATBIT (X, MOPS) \ | AARCH64_FEATBIT (X, HBC)) -#define AARCH64_ARCH_V8_9A_FEATURES(X) (AARCH64_FEATBIT (X, V8_9A)) +#define AARCH64_ARCH_V8_9A_FEATURES(X) (AARCH64_FEATBIT (X, V8_9A) \ + | AARCH64_FEATBIT (X, SPEv1p4) \ + | AARCH64_FEATBIT (X, SPE_CRR) \ + | AARCH64_FEATBIT (X, SPE_FDS)) #define AARCH64_ARCH_V9A_FEATURES(X) (AARCH64_FEATBIT (X, V9A) \ | AARCH64_FEATBIT (X, F16) \ diff --git a/opcodes/aarch64-sys-regs.def b/opcodes/aarch64-sys-regs.def index 96bdadb0b0fe56f25ec2c210264900d6936db06b..aab2c7264cab0b4ca34ab8135194abd0126b7430 100644 --- a/opcodes/aarch64-sys-regs.def +++ b/opcodes/aarch64-sys-regs.def @@ -676,6 +676,7 @@ SYSREG ("pmscr_el1", CPENC (3,0,9,9,0), F_ARCHEXT, AARCH64_FEATURE (PROFILE)) SYSREG ("pmscr_el12", CPENC (3,5,9,9,0), F_ARCHEXT, AARCH64_FEATURE (PROFILE)) SYSREG ("pmscr_el2", CPENC (3,4,9,9,0), F_ARCHEXT, AARCH64_FEATURE (PROFILE)) + SYSREG ("pmsdsfr_el1", CPENC (3,4,9,10,4), F_ARCHEXT, AARCH64_FEATURE (SPE_FDS)) SYSREG ("pmselr_el0", CPENC (3,3,9,12,5), 0, AARCH64_NO_FEATURES) SYSREG ("pmsevfr_el1", CPENC (3,0,9,9,5), F_ARCHEXT, AARCH64_FEATURE (PROFILE)) SYSREG ("pmsfcr_el1", CPENC (3,0,9,9,4), F_ARCHEXT, AARCH64_FEATURE (PROFILE))