{"id":2226137,"url":"http://patchwork.ozlabs.org/api/patches/2226137/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422101043.1234229-8-alex.bennee@linaro.org/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","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":"<20260422101043.1234229-8-alex.bennee@linaro.org>","list_archive_url":null,"date":"2026-04-22T10:10:18","name":"[v2,07/31] target/arm: migrate BTI trap syndromes to registerfields","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5b9671f7e63f41b6d485d36ee1a3dc313e08bb65","submitter":{"id":39532,"url":"http://patchwork.ozlabs.org/api/people/39532/?format=json","name":"Alex Bennée","email":"alex.bennee@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422101043.1234229-8-alex.bennee@linaro.org/mbox/","series":[{"id":500957,"url":"http://patchwork.ozlabs.org/api/series/500957/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500957","date":"2026-04-22T10:10:11","name":"target/arm: fully model WFxT instructions for A-profile","version":2,"mbox":"http://patchwork.ozlabs.org/series/500957/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226137/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226137/checks/","tags":{},"related":[],"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=j+wSpGcE;\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::336;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x336.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":"Reviewed-by: Richard Henderson <richard.henderson@linaro.org>\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\n---\n target/arm/syndrome.h | 11 ++++++++++-\n 1 file changed, 10 insertions(+), 1 deletion(-)","diff":"diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h\nindex fd8639d4f07..52a6745cb23 100644\n--- a/target/arm/syndrome.h\n+++ b/target/arm/syndrome.h\n@@ -426,9 +426,18 @@ static inline uint32_t syn_pactrap(void)\n     return res;\n }\n \n+/*\n+ * ISS encoding for an exception from a Branch Target Identification\n+ * instruction.\n+ */\n+FIELD(BTI_ISS, BTYPE, 0, 2)\n+\n static inline uint32_t syn_btitrap(int btype)\n {\n-    return (EC_BTITRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL | btype;\n+    uint32_t res = syn_set_ec(0, EC_BTITRAP);\n+    res = FIELD_DP32(res, SYNDROME, IL, 1);\n+    res = FIELD_DP32(res, BTI_ISS, BTYPE, btype);\n+    return res;\n }\n \n static inline uint32_t syn_bxjtrap(int cv, int cond, int rm)\n","prefixes":["v2","07/31"]}