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GET /api/1.1/patches/2228675/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2228675,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228675/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427080738.77138-20-philmd@linaro.org/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20260427080738.77138-20-philmd@linaro.org>",
    "date": "2026-04-27T08:07:25",
    "name": "[v4,19/32] cpus: Introduce SysemuCPUOps::monitor_get_register() hook",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "fce56202ceb92af08c170c6d8a55909109f74b1b",
    "submitter": {
        "id": 85046,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/85046/?format=api",
        "name": "Philippe Mathieu-Daudé",
        "email": "philmd@linaro.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427080738.77138-20-philmd@linaro.org/mbox/",
    "series": [
        {
            "id": 501599,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/501599/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501599",
            "date": "2026-04-27T08:07:06",
            "name": "monitor: Remove need of per-target handlers",
            "version": 4,
            "mbox": "http://patchwork.ozlabs.org/series/501599/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2228675/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2228675/checks/",
    "tags": {},
    "headers": {
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        "From": "=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>",
        "To": "Markus Armbruster <armbru@redhat.com>,\n\tqemu-devel@nongnu.org",
        "Subject": "[PATCH v4 19/32] cpus: Introduce SysemuCPUOps::monitor_get_register()\n hook",
        "Date": "Mon, 27 Apr 2026 10:07:25 +0200",
        "Message-ID": "<20260427080738.77138-20-philmd@linaro.org>",
        "X-Mailer": "git-send-email 2.53.0",
        "In-Reply-To": "<20260427080738.77138-1-philmd@linaro.org>",
        "References": "<20260427080738.77138-1-philmd@linaro.org>",
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    },
    "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 <philmd@linaro.org>\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\n---\n include/hw/core/sysemu-cpu-ops.h |  8 ++++++++\n monitor/hmp-target.c             | 11 ++++++++---\n 2 files changed, 16 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h\nindex 7b2d2d2610f..5b831393cf4 100644\n--- a/include/hw/core/sysemu-cpu-ops.h\n+++ b/include/hw/core/sysemu-cpu-ops.h\n@@ -85,6 +85,14 @@ 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 value.\n+     *                        This field is legacy, use @gdb_core_xml_file\n+     *                        to dump registers instead.\n+     * Returns: 0 on success or negative errno on failure.\n+     */\n+    int (*monitor_get_register)(CPUState *cs, const char *name, int64_t *pval);\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-target.c b/monitor/hmp-target.c\nindex a222fd4c96a..46ccbd14aec 100644\n--- a/monitor/hmp-target.c\n+++ b/monitor/hmp-target.c\n@@ -35,6 +35,7 @@\n #include \"qapi/qapi-commands-control.h\"\n #include \"qapi/qapi-commands-misc.h\"\n #include \"qapi/qapi-commands-machine.h\"\n+#include \"hw/core/sysemu-cpu-ops.h\"\n \n /* Make devices configuration available for use in hmp-commands*.hx templates */\n #include CONFIG_DEVICES\n@@ -85,9 +86,13 @@ 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 (!ret) {\n-        *pval = (target_long) tmp;\n+    if (cs->cc->sysemu_ops->monitor_get_register) {\n+        ret = cs->cc->sysemu_ops->monitor_get_register(cs, name, pval);\n+    } else {\n+        ret = target_get_monitor_def(cs, name, &tmp);\n+        if (!ret) {\n+            *pval = (target_long) tmp;\n+        }\n     }\n \n     return ret;\n",
    "prefixes": [
        "v4",
        "19/32"
    ]
}