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GET /api/1.1/patches/2228889/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2228889,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228889/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427124738.966578-54-peter.maydell@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": "<20260427124738.966578-54-peter.maydell@linaro.org>",
    "date": "2026-04-27T12:47:27",
    "name": "[PULL,53/63] target/arm: migrate gcs syndromes to registerfields",
    "commit_ref": null,
    "pull_url": null,
    "state": "not-applicable",
    "archived": false,
    "hash": "f40a18f8542727191050f191479d9a4c8ff86d67",
    "submitter": {
        "id": 5111,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/5111/?format=api",
        "name": "Peter Maydell",
        "email": "peter.maydell@linaro.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427124738.966578-54-peter.maydell@linaro.org/mbox/",
    "series": [
        {
            "id": 501642,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/501642/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501642",
            "date": "2026-04-27T12:46:34",
            "name": "[PULL,01/63] docs/system: add FEAT_AA32 and FEAT_AA64 to emulation list",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/501642/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2228889/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2228889/checks/",
    "tags": {},
    "headers": {
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        "From": "Peter Maydell <peter.maydell@linaro.org>",
        "To": "qemu-devel@nongnu.org",
        "Subject": "[PULL 53/63] target/arm: migrate gcs syndromes to registerfields",
        "Date": "Mon, 27 Apr 2026 13:47:27 +0100",
        "Message-ID": "<20260427124738.966578-54-peter.maydell@linaro.org>",
        "X-Mailer": "git-send-email 2.43.0",
        "In-Reply-To": "<20260427124738.966578-1-peter.maydell@linaro.org>",
        "References": "<20260427124738.966578-1-peter.maydell@linaro.org>",
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        "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"
    },
    "content": "From: Alex Bennée <alex.bennee@linaro.org>\n\nTweak arg names to make it clear raddr is the data address register\nnumber.\n\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\nMessage-id: 20260422125250.1303100-14-alex.bennee@linaro.org\nSigned-off-by: Peter Maydell <peter.maydell@linaro.org>\n---\n target/arm/syndrome.h | 39 +++++++++++++++++++++++++++++++++------\n 1 file changed, 33 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h\nindex 65d0de63a8..7ff8c30e2b 100644\n--- a/target/arm/syndrome.h\n+++ b/target/arm/syndrome.h\n@@ -690,21 +690,48 @@ static inline uint32_t syn_pcalignment(void)\n     return res;\n }\n \n+/*\n+ * ISS encoding for a GCS exception\n+ *\n+ * Field validity depends on EXTYPE\n+ */\n+FIELD(GCS_ISS, IT, 0, 5)\n+FIELD(GCS_ISS, RN, 5, 5) /* only for non EXLOCK exceptions */\n+FIELD(GCS_ISS, RADDR, 10, 5) /* only for GCSSTR/GCSSTTR traps */\n+FIELD(GCS_ISS, EXTYPE, 20, 4)\n+\n static inline uint32_t syn_gcs_data_check(GCSInstructionType it, int rn)\n {\n-    return ((EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL |\n-            (GCS_ET_DataCheck << 20) | (rn << 5) | it);\n+    uint32_t res = syn_set_ec(0, EC_GCS);\n+    res = FIELD_DP32(res, SYNDROME, IL, 1);\n+\n+    res = FIELD_DP32(res, GCS_ISS, EXTYPE, GCS_ET_DataCheck);\n+    res = FIELD_DP32(res, GCS_ISS, RN, rn);\n+    res = FIELD_DP32(res, GCS_ISS, IT, it);\n+\n+    return res;\n }\n \n static inline uint32_t syn_gcs_exlock(void)\n {\n-    return (EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL | (GCS_ET_EXLOCK << 20);\n+    uint32_t res = syn_set_ec(0, EC_GCS);\n+    res = FIELD_DP32(res, SYNDROME, IL, 1);\n+\n+    res = FIELD_DP32(res, GCS_ISS, EXTYPE, GCS_ET_EXLOCK);\n+\n+    return res;\n }\n \n-static inline uint32_t syn_gcs_gcsstr(int ra, int rn)\n+static inline uint32_t syn_gcs_gcsstr(int raddr, int rn)\n {\n-    return ((EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL |\n-            (GCS_ET_GCSSTR_GCSSTTR << 20) | (ra << 10) | (rn << 5));\n+    uint32_t res = syn_set_ec(0, EC_GCS);\n+    res = FIELD_DP32(res, SYNDROME, IL, 1);\n+\n+    res = FIELD_DP32(res, GCS_ISS, EXTYPE, GCS_ET_GCSSTR_GCSSTTR);\n+    res = FIELD_DP32(res, GCS_ISS, RADDR, raddr);\n+    res = FIELD_DP32(res, GCS_ISS, RN, rn);\n+\n+    return res;\n }\n \n static inline uint32_t syn_serror(uint32_t extra)\n",
    "prefixes": [
        "PULL",
        "53/63"
    ]
}