{"id":2222149,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2222149/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260410195323.17937-12-philmd@linaro.org/","project":{"id":69,"url":"http://patchwork.ozlabs.org/api/1.1/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":"<20260410195323.17937-12-philmd@linaro.org>","date":"2026-04-10T19:53:05","name":"[v2,11/27] cpus: Introduce SysemuCPUOps::monitor_get_register() hook","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4541b211ea6bc050c1778008f4b375a291639229","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/1.1/people/85046/?format=json","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260410195323.17937-12-philmd@linaro.org/mbox/","series":[{"id":499497,"url":"http://patchwork.ozlabs.org/api/1.1/series/499497/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-ppc/list/?series=499497","date":"2026-04-10T19:52:55","name":"monitor: Remove need of per-target handlers","version":2,"mbox":"http://patchwork.ozlabs.org/series/499497/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222149/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222149/checks/","tags":{},"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=D4cVZwWg;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fsnbN5SqYz1yCv\n\tfor ; Sat, 11 Apr 2026 05:55:28 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wBHwK-0001Pc-Vw; Fri, 10 Apr 2026 15:54:53 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1wBHwG-0001BJ-Ta\n for qemu-ppc@nongnu.org; Fri, 10 Apr 2026 15:54:50 -0400","from mail-wm1-x335.google.com ([2a00:1450:4864:20::335])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from ) id 1wBHwF-0001dC-By\n for qemu-ppc@nongnu.org; Fri, 10 Apr 2026 15:54:48 -0400","by mail-wm1-x335.google.com with SMTP id\n 5b1f17b1804b1-482f454be5bso26592905e9.0\n for ; Fri, 10 Apr 2026 12:54:46 -0700 (PDT)","from localhost.localdomain (88-187-86-199.subs.proxad.net.\n [88.187.86.199]) by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-488d533e596sm100071985e9.6.2026.04.10.12.54.44\n (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256);\n Fri, 10 Apr 2026 12:54:44 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1775850886; x=1776455686; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=m5TS34D7gzjspZxEtF9wQrQfCaZf1oD4hCg5mbcwpKM=;\n b=D4cVZwWg5G6vikaYtnqJ0velvbp665UIoB5AuV8a+MVz2g7VFRsf1hUgVkbc94Mcl2\n 1wpevKHk9VpZ/FJrZV8HPskaNRk1ZEuR/MP5NTtAxaAkM0ey74oCyJorQ97pjlyXNLwJ\n f7xOKnMuBn/mdLg53gO2ipdu309UupGlO9cYGs3Deck6Hx99JcIOuuBkkBRziqP1Bhnb\n 04jSYZYAVRm/oKsR6iO0QYf0I+Zmp08gf0YflPNKC9Mk1PSebWBJvsXBN0Iuf5vPv1+G\n HPdExj5nuhG7x3adFADM/OYvPG7edQi3KJsEtH+1wk65qqs1XOkqOsD5a/LA/pV8xsSj\n 8wrw==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1775850886; x=1776455686;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=m5TS34D7gzjspZxEtF9wQrQfCaZf1oD4hCg5mbcwpKM=;\n b=RasRN+3UEKCjdGTjb/hxEeUamJY9CHJ6ieU3eVpa1FLhBW5Jdqmgd7Kgydh1ZeMVlV\n oflCDebUUXy58qLkDlmaw4xkd+iGbaT9/coAlYqDV5oyBhq8r3FqI+E+JPseIMW+5ALQ\n Wt05HYyAtKre5nTDA8TJ5xEN7VGy1OaVpSMOAuDPoG2B1uf5IcEok03wROvIv3SJuSq3\n 0yCMcTA2Tq36nipAaYDeR5YnVcFUmwLTtfXIzC1hMjqFdDRYfM4Nowy02DK2+hhKpjCx\n Rwjsn4AakgIGsh6Wv7kFD2nbQd4Y1JPVQ9iqe+4RZMPnAyPpP7DiZ+K3gMd5TwLl20IQ\n vOrw==","X-Forwarded-Encrypted":"i=1;\n AJvYcCXU/vJ4oWd1cJ/mDWpr87sfsrdoFdN3BE+JJZrothVyobH3kkuAeGbiYGw/XPnaw/Cn/YgAb8LIMw==@nongnu.org","X-Gm-Message-State":"AOJu0YzGBU/QF8BPP1LXbOJ6DHJX4IZg28SFhQasovjjPaAypYX6Lq0X\n u/si+pbJhD17ntM3peIknMqWYzvCenRgUgbYIpyCazWSbLNm5N9bD6+3xaY4UsIUII7YPYBgwr/\n pzMzVnH8=","X-Gm-Gg":"AeBDiesrtyBu8lcVJWZg69T7pgIaWpxH9zL+Qn2Q1Ve011xS8j1dj6xLuaZetpAiBLA\n Djnp0MxyA4AwtE1wDprJdrFlMNdEiu/gyCih5R/QRs3N9fweFeqQuO1ojx+XBp4KJ7jHWBluzuw\n Vq5F8YRjUS5Ui8yN8KVIPIrMwZILoUvYFkkCq3NhZulAi34LWQnStjuPGRDtOWXi0diKwZbr8P8\n 9FbtD9VK05tlUGm12m1xEElOaGsoxPPKVbXo02yE7KvusJJAOYeqCsWElHI6EPQdW5tmUP/+5+j\n O3oD0oZuahPIEL4VHcGEMgtfX2tGtysy/fIEvF/EMW30b2B6PhIBCRIVJzU8/ut+OVSZwuh/5oa\n BXPej0IE+dosLLMoZcLxiCjdJKVn8UJD2dDHXIUi4D5Mf4Qb1ralCj/5o3/dh15jPMvBIMpk5la\n hea/SA/BQFxAGEaZDOh7lmRf05SE/BCYrBnapcCZthKztkvSrmC49WgIueiL5SgSRRFV6i/A9L","X-Received":"by 2002:a05:600c:3ba4:b0:488:c6e9:1e0c with SMTP id\n 5b1f17b1804b1-488d6847de9mr53887245e9.5.1775850885735;\n Fri, 10 Apr 2026 12:54:45 -0700 (PDT)","From":"=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ","To":"qemu-devel@nongnu.org","Cc":"Richard Henderson ,\n \"Dr. David Alan Gilbert\" ,\n Pierrick Bouvier , qemu-riscv@nongnu.org,\n Markus Armbruster , qemu-s390x@nongnu.org,\n kvm@vger.kernel.org, qemu-ppc@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud?=\n\t=?utf-8?q?=C3=A9?= ","Subject":"[PATCH v2 11/27] cpus: Introduce SysemuCPUOps::monitor_get_register()\n hook","Date":"Fri, 10 Apr 2026 21:53:05 +0200","Message-ID":"<20260410195323.17937-12-philmd@linaro.org>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260410195323.17937-1-philmd@linaro.org>","References":"<20260410195323.17937-1-philmd@linaro.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::335;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x335.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=unavailable 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":"Allow targets to register their legacy target_get_monitor_def()\nin SysemuCPUOps; check it first in get_monitor_def() otherwise\nfall back to previous per-target helper.\n\nSigned-off-by: Philippe Mathieu-Daudé \n---\n include/hw/core/sysemu-cpu-ops.h | 8 ++++++++\n monitor/hmp.c | 6 +++++-\n 2 files changed, 13 insertions(+), 1 deletion(-)","diff":"diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h\nindex a96f4907d05..a9200ec5737 100644\n--- a/include/hw/core/sysemu-cpu-ops.h\n+++ b/include/hw/core/sysemu-cpu-ops.h\n@@ -85,11 +85,19 @@ typedef struct SysemuCPUOps {\n */\n bool (*internal_is_big_endian)(CPUState *cpu);\n \n+ /**\n+ * @monitor_get_register: Callback to fill @pval with register @name.\n+ * This field is legacy, use @gdb_core_xml_file\n+ * to dump registers instead.\n+ */\n+ int (*monitor_get_register)(CPUState *cs, const char *name, uint64_t *pval);\n+\n /**\n * @monitor_defs: Array of MonitorDef entries. This field is legacy,\n * use @gdb_core_xml_file to dump registers instead.\n */\n const MonitorDef *monitor_defs;\n+\n /**\n * @legacy_vmsd: Legacy state for migration.\n * Do not use in new targets, use #DeviceClass::vmsd instead.\ndiff --git a/monitor/hmp.c b/monitor/hmp.c\nindex 3d812ea3068..799855f3f68 100644\n--- a/monitor/hmp.c\n+++ b/monitor/hmp.c\n@@ -1632,7 +1632,11 @@ static int get_monitor_def(Monitor *mon, int64_t *pval, const char *name)\n }\n }\n \n- ret = target_get_monitor_def(cs, name, &tmp);\n+ if (cs->cc->sysemu_ops->monitor_get_register) {\n+ ret = cs->cc->sysemu_ops->monitor_get_register(cs, name, &tmp);\n+ } else {\n+ ret = target_get_monitor_def(cs, name, &tmp);\n+ }\n if (!ret) {\n *pval = target_long_bits() == 32 ? (int32_t)tmp : tmp;\n }\n","prefixes":["v2","11/27"]}