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GET /api/1.1/patches/2226455/?format=api
{ "id": 2226455, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2226455/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422125250.1303100-7-alex.bennee@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": "<20260422125250.1303100-7-alex.bennee@linaro.org>", "date": "2026-04-22T12:52:23", "name": "[v3,06/32] target/arm: migrate PAC trap syndromes to registerfields", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "01a1277d157d3fd5065fdf45791ca6d9050a6d13", "submitter": { "id": 39532, "url": "http://patchwork.ozlabs.org/api/1.1/people/39532/?format=api", "name": "Alex Bennée", "email": "alex.bennee@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422125250.1303100-7-alex.bennee@linaro.org/mbox/", "series": [ { "id": 501008, "url": "http://patchwork.ozlabs.org/api/1.1/series/501008/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501008", "date": "2026-04-22T12:52:20", "name": "target/arm: fully model WFxT instructions for A-profile", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/501008/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226455/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226455/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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=zRjYZxtU;\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::332;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x332.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-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "syn_pactrap is fairly simple as the ISS is all RES0.\n\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\n---\n target/arm/syndrome.h | 23 ++++++++++++++++++++---\n 1 file changed, 20 insertions(+), 3 deletions(-)", "diff": "diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h\nindex 61053475984..fd8639d4f07 100644\n--- a/target/arm/syndrome.h\n+++ b/target/arm/syndrome.h\n@@ -398,15 +398,32 @@ static inline uint32_t syn_smetrap(SMEExceptionType etype, bool is_16bit)\n return res;\n }\n \n+/*\n+ * ISS encoding for a PAC Fail exceptions\n+ */\n+FIELD(PACFAIL_ISS, BnA, 0, 1) /* B key or A key */\n+FIELD(PACFAIL_ISS, DnI, 1, 1) /* Data or Instruction */\n+\n static inline uint32_t syn_pacfail(bool data, int keynumber)\n {\n- int error_code = (data << 1) | keynumber;\n- return (EC_PACFAIL << ARM_EL_EC_SHIFT) | ARM_EL_IL | error_code;\n+ uint32_t res = syn_set_ec(0, EC_PACFAIL);\n+ res = FIELD_DP32(res, SYNDROME, IL, 1);\n+\n+ res = FIELD_DP32(res, PACFAIL_ISS, DnI, data);\n+ res = FIELD_DP32(res, PACFAIL_ISS, BnA, keynumber);\n+\n+ return res;\n }\n \n+/*\n+ * ISS encoding for an exception from a trapped Pointer\n+ * Authentication instruction is RES0\n+ */\n static inline uint32_t syn_pactrap(void)\n {\n- return (EC_PACTRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL;\n+ uint32_t res = syn_set_ec(0, EC_PACTRAP);\n+ res = FIELD_DP32(res, SYNDROME, IL, 1);\n+ return res;\n }\n \n static inline uint32_t syn_btitrap(int btype)\n", "prefixes": [ "v3", "06/32" ] }