{"id":2197058,"url":"http://patchwork.ozlabs.org/api/1.0/covers/2197058/?format=json","project":{"id":69,"url":"http://patchwork.ozlabs.org/api/1.0/projects/69/?format=json","name":"QEMU powerpc development","link_name":"qemu-ppc","list_id":"qemu-ppc.nongnu.org","list_email":"qemu-ppc@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260216225228.53959-1-philmd@linaro.org>","date":"2026-02-16T22:52:16","name":"[00/11] monitor/hmp: Automatically handle gdb-xml exposed registers","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/1.0/people/85046/?format=json","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"series":[{"id":492360,"url":"http://patchwork.ozlabs.org/api/1.0/series/492360/?format=json","date":"2026-02-16T22:52:16","name":"monitor/hmp: Automatically handle gdb-xml exposed registers","version":1,"mbox":"http://patchwork.ozlabs.org/series/492360/mbox/"}],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=DO4J3m4c;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=\"utf-8\"","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::336;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x336.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-ppc@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"MonitorDef registers parsing is one of the oldest APIs in QEMU,\nthus predates gdbstub and XML register files. The latters are\nmaintained by the GDB/binutils project and are more up-to-date.\nGetting the target register list from them allows to expose\nall accessible registers to the HMP commands.\n\nThis series adds gdb_get_register() to monitor to use XML\ngenerated registers, and remove the legacy MonitorDef entries\nwhich became unreachable.\n\nFirst we need to have the SPARC target better follow the\ngdb-xml API.\n\nPhilippe Mathieu-Daudé (11):\n target/sparc: Introduce sparc_cpu_register_gdb_regs() stub\n target/sparc: Restore 'gdb-xml/sparc64-cp0.xml'\n target/sparc: Restore 'gdb-xml/sparc64-fpu.xml'\n target/sparc: Restore 'gdb-xml/sparc64-cpu.xml'\n target/sparc: Expose gdbstub registers to sparc32plus target\n target/sparc: Expose gdbstub registers to sparc32 targets\n monitor/hmp: Handle gdb-xml exposed registers via gdb_get_register()\n target/sparc: Remove MonitorDef register entries available via gdbstub\n target/i386: Remove MonitorDef register entries available via gdbstub\n target/m68k: Remove MonitorDef register entries available via gdbstub\n target/ppc: Remove MonitorDef register entries available via gdbstub\n\n configs/targets/sparc-linux-user.mak | 1 +\n configs/targets/sparc-softmmu.mak | 1 +\n configs/targets/sparc32plus-linux-user.mak | 1 +\n configs/targets/sparc64-linux-user.mak | 2 +-\n configs/targets/sparc64-softmmu.mak | 2 +-\n target/sparc/cpu.h | 1 +\n monitor/hmp.c | 49 ++-\n target/i386/monitor.c | 35 ---\n target/m68k/monitor.c | 18 --\n target/ppc/ppc-qmp-cmds.c | 5 -\n target/sparc/cpu.c | 9 +-\n target/sparc/gdbstub.c | 295 +++++++++++-------\n target/sparc/monitor.c | 107 -------\n gdb-xml/sparc32-cp0.xml | 18 ++\n gdb-xml/sparc32-cpu.xml | 42 +++\n gdb-xml/sparc32-fpu.xml | 42 +++\n gdb-xml/sparc64-cp0.xml | 16 +\n gdb-xml/sparc64-cpu.xml | 42 +++\n gdb-xml/{sparc64-core.xml => sparc64-fpu.xml} | 44 +--\n 19 files changed, 403 insertions(+), 327 deletions(-)\n create mode 100644 gdb-xml/sparc32-cp0.xml\n create mode 100644 gdb-xml/sparc32-cpu.xml\n create mode 100644 gdb-xml/sparc32-fpu.xml\n create mode 100644 gdb-xml/sparc64-cp0.xml\n create mode 100644 gdb-xml/sparc64-cpu.xml\n rename gdb-xml/{sparc64-core.xml => sparc64-fpu.xml} (59%)"}