{"id":2226130,"url":"http://patchwork.ozlabs.org/api/patches/2226130/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422101043.1234229-15-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":"<20260422101043.1234229-15-alex.bennee@linaro.org>","list_archive_url":null,"date":"2026-04-22T10:10:25","name":"[v2,14/31] target/arm: migrate memory op syndromes to registerfields","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"11dc5869bf079012b86d53fae132f328bed3ad35","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/20260422101043.1234229-15-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/2226130/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226130/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=or2Klmud;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g0w4J4C4sz1yHB\n\tfor ; Wed, 22 Apr 2026 20:11:43 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wFUXx-0006xk-6L; Wed, 22 Apr 2026 06:11:05 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wFUXq-0006td-Po\n for qemu-devel@nongnu.org; Wed, 22 Apr 2026 06:10:59 -0400","from mail-wr1-x435.google.com ([2a00:1450:4864:20::435])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from )\n id 1wFUXo-0000m8-1r\n for qemu-devel@nongnu.org; Wed, 22 Apr 2026 06:10:58 -0400","by mail-wr1-x435.google.com with SMTP id\n ffacd0b85a97d-43cfbd17589so4132849f8f.0\n for ; Wed, 22 Apr 2026 03:10:55 -0700 (PDT)","from draig.lan ([185.124.0.195]) by smtp.gmail.com with ESMTPSA id\n ffacd0b85a97d-43fe4e4eec9sm42224451f8f.34.2026.04.22.03.10.48\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Wed, 22 Apr 2026 03:10:52 -0700 (PDT)","from draig.lan (localhost [IPv6:::1])\n by draig.lan (Postfix) with ESMTP id 880F161028;\n Wed, 22 Apr 2026 11:10:44 +0100 (BST)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1776852654; x=1777457454; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=AJ6frWkT466kUBA2I2u6c2X58fkiBAsV+LbvLNVH5Kk=;\n b=or2KlmudFSa5ZRH6JDstaf6ixiyRlcdOkakx4p6gUZnwIlmpQieL7BXJxrZZIClq0+\n VrnyCO0lAAkl2M7fnt/TKvY3GadEH0i06iuP3SvrVCLVi63kWlYLNgHqOAnZNe+Ernpg\n WxD7+SD14/lEI9bn2o1QAVbg2Gnrbr009Ao3+q7s6qs8mUIY1CU4WX1L3/8cjmW0PE4f\n 003tdkU9yMuozQWyFu4PqjArTCyNWImcR/q05VAaegKWwv7HYqP4qZYoepox2GNK0SNo\n cgK6MVuxZApsiXVRTJF3a83R1Ua8rcA/J58YjWMEBBO4C7IN+tkXAmdYmDIn3mODbzMN\n n+Dg==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776852654; x=1777457454;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=AJ6frWkT466kUBA2I2u6c2X58fkiBAsV+LbvLNVH5Kk=;\n b=FpTRlmp0mCxkSfKutXQV+iLysg75TVAXNuExnp7FYtruwaouJyP7HP8wkwmHf8JFSo\n kRhqE+/btmBUu0yuUz7li4wT55JS7V3QxfHZACwyeuR8dg6Zkw5thhFO2SI5NwMVI7AT\n cT7NMX222kPexbBac5VFO1kFPtg42lWphLTBXbOwdqoHDT9D3KSCcGpf3PWAkuyQOLIc\n Z5sO7b/v2ivb7zB1n8l8x5uvu8dpm2JBo/9iHXJX+rhTEuzNojFfhQEcKCmVVgkHySot\n Z92oeCrqzgM+ZtdRWnm0dw9PwDTbSMJaBxZZ2pcHsGyX8EMuqIapo3ncHdHt1GyQ27Bg\n y5Zw==","X-Gm-Message-State":"AOJu0Ywk0ATAZfRjaL0+MuIXOHYX/jbLj2nIlPscN97n0k/4mXvNs6lN\n WoZvnhJYRLKO3PoyVOV0yTCu2alhUupw7VUwOsmk1mBjPvtE1VSmKQOJn2VaLwVgwtw=","X-Gm-Gg":"AeBDiesWtwrzjkEg7PUvVGNhWyOsNiy5X1Ixl1u/jJJ5yltT2jyGhTjirgxfovn75KT\n HMWHqMUWyNqL8Y1VBElAwu8lG5Xq7DlKeXNddph1I3vXRNaxLdRU2ImMiT9MJ5WO32kIEjv6fBY\n yX3qzaBJECzHaQ0TkRARx1rGk1d/mJ08GhNNwNEzLqEr0qkHISEc8GJl8hguSzT50mufKpS+Yvz\n laY6JlN52J2yih/BfvV/V5iN8oE9EtOQNIXd+bfuligNfITWc9as5hoWolFxw7yhXtsdHRVlnjz\n UyIfRat677NQbt5gTD6jzHOi7Rk2gjC4m9BBI1pN1WgAuE5loTw3luzI0LyvnKXnmPLJAIrwOZf\n 0RKt1eM2S/Ty2Wq5pLS4gMkG8Y1YaHy3QGegSbdHsAGZMWEEj++WT1Z2NXHT5k2TQLOaw5Ai6dP\n 7cK/xX7W3YXpEjTt4FZao9IY/hxfxv9a5QwQ==","X-Received":"by 2002:a05:6000:1a8c:b0:43e:b0f8:66f1 with SMTP id\n ffacd0b85a97d-43fe3e0b86emr33151843f8f.43.1776852654367;\n Wed, 22 Apr 2026 03:10:54 -0700 (PDT)","From":"=?utf-8?q?Alex_Benn=C3=A9e?= ","To":"qemu-devel@nongnu.org","Cc":"Alexander Graf , qemu-arm@nongnu.org,\n Peter Maydell ,\n Paolo Bonzini ,\n Mohamed Mediouni , kvm@vger.kernel.org,\n Pedro Barbuda ,\n =?utf-8?q?Alex_Benn=C3=A9e?= ,\n Richard Henderson ","Subject":"[PATCH v2 14/31] target/arm: migrate memory op syndromes to\n registerfields","Date":"Wed, 22 Apr 2026 11:10:25 +0100","Message-ID":"<20260422101043.1234229-15-alex.bennee@linaro.org>","X-Mailer":"git-send-email 2.47.3","In-Reply-To":"<20260422101043.1234229-1-alex.bennee@linaro.org>","References":"<20260422101043.1234229-1-alex.bennee@linaro.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::435;\n envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x435.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=unavailable 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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","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 \nSigned-off-by: Alex Bennée \n---\n target/arm/syndrome.h | 33 +++++++++++++++++++++++++++++----\n 1 file changed, 29 insertions(+), 4 deletions(-)","diff":"diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h\nindex 7ff8c30e2bb..841fd3292b8 100644\n--- a/target/arm/syndrome.h\n+++ b/target/arm/syndrome.h\n@@ -742,14 +742,39 @@ static inline uint32_t syn_serror(uint32_t extra)\n return res;\n }\n \n+/*\n+ * ISS encoding for an exception from the Memory Copy and Memory Set\n+ * instructions.\n+ */\n+FIELD(MOP_ISS, SIZEREG, 0, 5)\n+FIELD(MOP_ISS, SRCREG, 5, 5)\n+FIELD(MOP_ISS, DESTREG, 10, 5)\n+FIELD(MOP_ISS, FORMATOPT, 16, 2)\n+FIELD(MOP_ISS, OPT_A, 16, 1)\n+FIELD(MOP_ISS, WRONG_OPT, 17, 1)\n+FIELD(MOP_ISS, EPILOGUE, 18, 1)\n+FIELD(MOP_ISS, OPTIONS, 19, 4)\n+FIELD(MOP_ISS, IS_SETG, 23, 1)\n+FIELD(MOP_ISS, MEMINST, 24, 1)\n+\n static inline uint32_t syn_mop(bool is_set, bool is_setg, int options,\n bool epilogue, bool wrong_option, bool option_a,\n int destreg, int srcreg, int sizereg)\n {\n- return (EC_MOP << ARM_EL_EC_SHIFT) | ARM_EL_IL |\n- (is_set << 24) | (is_setg << 23) | (options << 19) |\n- (epilogue << 18) | (wrong_option << 17) | (option_a << 16) |\n- (destreg << 10) | (srcreg << 5) | sizereg;\n+ uint32_t res = syn_set_ec(0, EC_MOP);\n+ res = FIELD_DP32(res, SYNDROME, IL, 1);\n+\n+ res = FIELD_DP32(res, MOP_ISS, MEMINST, is_set);\n+ res = FIELD_DP32(res, MOP_ISS, IS_SETG, is_setg);\n+ res = FIELD_DP32(res, MOP_ISS, OPTIONS, options);\n+ res = FIELD_DP32(res, MOP_ISS, EPILOGUE, epilogue);\n+ res = FIELD_DP32(res, MOP_ISS, WRONG_OPT, wrong_option);\n+ res = FIELD_DP32(res, MOP_ISS, OPT_A, option_a);\n+ res = FIELD_DP32(res, MOP_ISS, DESTREG, destreg);\n+ res = FIELD_DP32(res, MOP_ISS, SRCREG, srcreg);\n+ res = FIELD_DP32(res, MOP_ISS, SIZEREG, sizereg);\n+\n+ return res;\n }\n \n \n","prefixes":["v2","14/31"]}