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GET /api/patches/815194/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 815194,
    "url": "http://patchwork.ozlabs.org/api/patches/815194/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170918215719.16415-1-f4bug@amsat.org/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/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": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170918215719.16415-1-f4bug@amsat.org>",
    "list_archive_url": null,
    "date": "2017-09-18T21:57:19",
    "name": "[RFC] vl.c: add is_system_on_chip flag to force board default cpu",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "9aa532069d968cc506da0304e40fe6c553db81d2",
    "submitter": {
        "id": 70924,
        "url": "http://patchwork.ozlabs.org/api/people/70924/?format=api",
        "name": "Philippe Mathieu-Daudé",
        "email": "f4bug@amsat.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170918215719.16415-1-f4bug@amsat.org/mbox/",
    "series": [
        {
            "id": 3742,
            "url": "http://patchwork.ozlabs.org/api/series/3742/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3742",
            "date": "2017-09-18T21:57:19",
            "name": "[RFC] vl.c: add is_system_on_chip flag to force board default cpu",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/3742/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/815194/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/815194/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
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        ],
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        "X-Received": "by 10.55.212.129 with SMTP id s1mr22335331qks.63.1505771851918; \n\tMon, 18 Sep 2017 14:57:31 -0700 (PDT)",
        "From": "=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <f4bug@amsat.org>",
        "To": "Igor Mammedov <imammedo@redhat.com>,\n\tEduardo Habkost <ehabkost@redhat.com>, \n\tPaolo Bonzini <pbonzini@redhat.com>,\n\tPeter Maydell <peter.maydell@linaro.org>",
        "Date": "Mon, 18 Sep 2017 18:57:19 -0300",
        "Message-Id": "<20170918215719.16415-1-f4bug@amsat.org>",
        "X-Mailer": "git-send-email 2.14.1",
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        "Content-Type": "text/plain; charset=UTF-8",
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        "X-detected-operating-system": "by eggs.gnu.org: Genre and OS details not\n\trecognized.",
        "X-Received-From": "2607:f8b0:400d:c09::241",
        "Subject": "[Qemu-devel] [RFC PATCH] vl.c: add is_system_on_chip flag to force\n\tboard default cpu",
        "X-BeenThere": "qemu-devel@nongnu.org",
        "X-Mailman-Version": "2.1.21",
        "Precedence": "list",
        "List-Id": "<qemu-devel.nongnu.org>",
        "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>",
        "List-Post": "<mailto:qemu-devel@nongnu.org>",
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        "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>",
        "Cc": "=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <f4bug@amsat.org>,\n\tqemu-devel@nongnu.org",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"
    },
    "content": "add a property to restrict the CPU for SoCs once on machine creation and avoid\nduplicate code in each board.\n\nSigned-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>\n---\nBased-on: 1505318697-77161-6-git-send-email-imammedo@redhat.com\n\n include/hw/boards.h |  3 +++\n vl.c                | 11 +++++++++++\n 2 files changed, 14 insertions(+)",
    "diff": "diff --git a/include/hw/boards.h b/include/hw/boards.h\nindex 6b67adaef6..20dc0a0ab9 100644\n--- a/include/hw/boards.h\n+++ b/include/hw/boards.h\n@@ -129,6 +129,8 @@ typedef struct {\n  *    specifies default CPU_TYPE, which will be used for parsing target\n  *    specific features and for creating CPUs if CPU name wasn't provided\n  *    explicitly at CLI\n+ * @is_system_on_chip:\n+ *    If true, board does not support other CPUs than default_cpu_type.\n  * @minimum_page_bits:\n  *    If non-zero, the board promises never to create a CPU with a page size\n  *    smaller than this, so QEMU can use a more efficient larger page\n@@ -182,6 +184,7 @@ struct MachineClass {\n     const char *hw_version;\n     ram_addr_t default_ram_size;\n     const char *default_cpu_type;\n+    bool is_system_on_chip;\n     bool option_rom_has_mr;\n     bool rom_file_has_mr;\n     int minimum_page_bits;\ndiff --git a/vl.c b/vl.c\nindex fb6a700e55..6e59ffa856 100644\n--- a/vl.c\n+++ b/vl.c\n@@ -4717,10 +4717,21 @@ int main(int argc, char **argv, char **envp)\n     current_machine->cpu_model = cpu_model;\n \n \n+    if (machine_class->is_system_on_chip && !machine_class->default_cpu_type) {\n+        error_report(\"System-on-Chip must have a default CPU type\");\n+        exit(1);\n+    }\n     /* parse features once if machine provides default cpu_type */\n     if (machine_class->default_cpu_type) {\n         current_machine->cpu_type = machine_class->default_cpu_type;\n         if (cpu_model) {\n+            if (machine_class->is_system_on_chip) {\n+                if (strcmp(cpu_model, machine_class->default_cpu_type) != 0) {\n+                    error_report(\"This board can only be used with CPU %s\",\n+                                 machine_class->default_cpu_type);\n+                    exit(1);\n+                }\n+            }\n             current_machine->cpu_type =\n                 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);\n         }\n",
    "prefixes": [
        "RFC"
    ]
}