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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 6s86hbT3fPm1AMcm0szb/3FHHPBX7XWErWZLTiSRuKZiDYgTeE0gUgFEb3qGqTLMKbYWhS7xbpOXE0KHvQs/Tj5RE350AgoSgcfDDT4c3aWAKoXXIwnzgHLcqONmAFoCb0gOVxrfos2hbb/dP6G7Z8/LBOdOU0CIAykZuiDjB2WDxGcx/9uobIMbD9ZrBAhN0dXN1CGkkN/eo/8P+MCwK0JJIaxVlzkq3SE4jt47+b12YAkkUamPcKgl8+5ViG3FnAPKeHq/IJiZTkmohfPEfwvxamguZOe6FZprRKH6GDlitzekju47k37GePFMQvnloCBVLFWx4tBmoZusYb7+b7+A6wf2GeESZr4jM2oOI8rdlbOmWVmtbxA/onwIkmDE0hhKezyAvn8J8ek8JMcE1xPzoe7kXDBjJH0rxf9NK13Ay+pqiGVCcMaZkRWWP/Q9 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 May 2026 11:46:48.0584 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 534a7959-0eae-4c7a-3a41-08deb277a58d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[4.158.2.129]; Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000091.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB8804 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: ezra.sitorus@arm.com Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On Fri, May 15, 2026 at 12:50:30AM -0300, Thiago Jung Bauermann wrote: > In the system headers, this constant is called HWCAP2_LRCPC3. Yes that's right. I'll change that. > The test program in v1 tried to execute an instruction to detect whether > LRCPC3 is supported, and in v2 it checks a bit in HWCAP. Nothing wrong > with that, but the gdb_expect above needs to be adapted accordingly. On > a machine which doesn't support the feature I see a WARNING, but the > test program just behaved as expected: > > (gdb) file /home/bauermann/.cache/builds/gdb-native/gdb/testsuite/temp/1223/allow_aarch64_lrcpc3_tests.x > Reading symbols from /home/bauermann/.cache/builds/gdb-native/gdb/testsuite/temp/1223/allow_aarch64_lrcpc3_tests.x... > (gdb) run > Starting program: /home/bauermann/.cache/builds/gdb-native/gdb/testsuite/temp/1223/allow_aarch64_lrcpc3_tests.x > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/usr/lib/aarch64-linux-gnu/libthread_db.so.1". > [Inferior 1 (process 1299) exited with code 01] > (gdb) WARNING: > allow_aarch64_lrcpc3_tests: default case taken > gdb_caching_proc allow_aarch64_lrcpc3_tests caused gdb_exit to be called > gdb_caching_proc allow_aarch64_lrcpc3_tests marked as called > gdb_caching_proc get_compiler_info_1 marked as called > gdb_caching_proc is_aarch32_target marked as called > gdb_caching_proc universal_compile_options_c marked as called > UNSUPPORTED: gdb.reverse/aarch64-lrcpc3.exp: require failed: allow_aarch64_lrcpc3_tests > testcase /home/bauermann/src/binutils-gdb/gdb/testsuite/gdb.reverse/aarch64-lrcpc3.exp completed in 26 seconds Ahh I see. I'll compare it with the GCS support testing. > By the way, is there something specific I need to do to get an FVP > supporting LRCPC3? I set up FVP with: > > $ shrinkwrap build --overlay=arch/v9.6.yaml ns-edk2.yaml > You need to enable the feature in an overlay file. So I have something like this: run: rtvars: ROOTFS: value: /path/to/rootfs CMDLINE: value: loglevel=3 ip=dhcp kpti=off root=/dev/vda2 console=ttyAMA0 KERNEL: value: path/to/Image params: -C bp.hostbridge.userNetworking: 1 -C bp.hostbridge.userNetPorts: 8022=22,8123=8123 -C bp.smsc_91c111.enabled: 1 -C bp.virtio_net.enabled: 0 -C cluster0.NUM_CORES: 1 -C cluster0.has_lrcpc3: 1 -C cluster0.has_rprfm: 1 -C pctl.CPU-affinities: 0.0.0.0 which enables LRCPC3, RPRFM and some networking. Then I run like so: $ shrinkwrap run ns-edk2.yaml --overlay file.yaml. Also, you can do: $ shrinkwrap build --overlay=arch/v8.9.yaml ns-edk2.yaml which should enable fewer features so it'll run slightly quicker. On another note, it seems like patch 2 and 3 are OK? Can these be pushed while I resend this one and wait for Guinevere for patch 4? Ezra