From nobody Sat Apr 11 23:04:26 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1772954370; cv=none; d=zohomail.com; s=zohoarc; b=RLH7OBaAJdGTZc+SBS2A+eOE0md1QkFF1KEpSpnpz7udjmprDrH8Ybo11qYUR/L16wLui0j1Zpng+R2bA3+wmdFWw+T6zkO8ELKwnffpq9lp4Tcd051ogo//MsQZQhdLOLvpbVb2XFvJAgBd2RNAVyPDIHtVNIepSQSc6KpE4To= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772954370; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=+FYgaldNviBYwmlMbWUmbtHwZ6I6FRjtzV/+ajNVBhY=; b=GSWnTDPnzBFEC6oi0R0CfpHHw+xhfocj0dWE32GjVoM1yTmkDPBTVOcrzWmRFPaI64bkltV7nYwEN84TJgJaw1R5LUTwgbiKtaCWeSkjs/MvIh8/YuMtDgVgK+qX6abz8M/e4tVCshcsPh4y6LgfYtARFdZloBKUgkog0C0sguE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1772954370045753.158506041319; Sat, 7 Mar 2026 23:19:30 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vz8Pt-0006nR-DM; Sun, 08 Mar 2026 03:19:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vz8Pr-0006i2-Qu for qemu-devel@nongnu.org; Sun, 08 Mar 2026 03:19:07 -0400 Received: from mail-dy1-x1343.google.com ([2607:f8b0:4864:20::1343]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vz8Pq-0001YF-8x for qemu-devel@nongnu.org; Sun, 08 Mar 2026 03:19:07 -0400 Received: by mail-dy1-x1343.google.com with SMTP id 5a478bee46e88-2bdfc4b191fso6049491eec.1 for ; Sat, 07 Mar 2026 23:19:05 -0800 (PST) Received: from ZEVORN-PC.bbrouter ([38.95.120.198]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2be4f984ceasm6014081eec.32.2026.03.07.23.19.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Mar 2026 23:19:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772954345; x=1773559145; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=+FYgaldNviBYwmlMbWUmbtHwZ6I6FRjtzV/+ajNVBhY=; b=dr+FZTy6dmyk6GYTkqE7POJtR6NBkWAtOpxNMAwHutumRXyCiI8JHF7mf4mFeDGzXZ 0YG478mKieYy4xNzFWV2Pa4QbYFV5Thy9NfuZBDeGdYHRBQHdKRX6J2rkC4EmjlQVMBI v1Ssx+ZCIpXiVqQZVghYFsUvVo3lYkYs2t7kgazstd7eHQaa37yUw4JP87swx431gHME a+Ib9aRnR5tVUGpiaIN3nxjSOFlih1G4KfNihAkACpd+wHiraORfeeiMMtgLvES9nzYn o+Ho+VCJDCBW5qDhY0zVMvDhgJgrYZgc6HQDhMZSpNNeC7c9Sb+8pxDCXi0VXPT+THYc ALFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772954345; x=1773559145; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=+FYgaldNviBYwmlMbWUmbtHwZ6I6FRjtzV/+ajNVBhY=; b=LtIFHTmRYU+QI/06NykkEAS6LMk3P5GjRv0/2dg6xHRlROecgsKrSnNw3ZcdSnjg/n QpnZJw1dX6zRd27PxAe+LM8nggvWIQ0d67cIfly54/5xcOGErn5P+mJvvCu3sA15pAxR Aua83NsP8OHrfWVDxgYVuaKW49c2nJxhZc/+AfRERrvvv41Mx2txPJOaqSO7Q6WLmGkC zZwo5yeOFRKxVqhlZ97KPy/KWQE/yYqYfA3Ht4NDN4L/ChA8YSrhVf7ICB+gyDRdPzf4 jHzdaexv6WtYrDYrHd2WcXO5z5BIkXizPMqU9rvAr+gMSU/foTH4ez55f0Rn3P1xw2Zu JQ3g== X-Forwarded-Encrypted: i=1; AJvYcCWMGjyDxUd+se+dc+x2/9u+oRsHXieYqB/ZF3YDb2Z+AT+h/t59BE7Q7Bh0OI+TPqGuf3OG4HGg0fm7@nongnu.org X-Gm-Message-State: AOJu0Yz6QAv8ToSDi6VzTcKQzL7ZdEH+tj0AKHF2i9WEwCdUHPfHT+eG ugmSi6Tm4mnqfU5W6FOcNFtDNZ7Kz6qUxoMdzCjOSKuQEQ819EMesOOV X-Gm-Gg: ATEYQzzA5bblIYjGT2333TQF49hSqooESEl5xi0bP0SdJi+gCKlqo3xBo6FYaHQhe2H oHqi0oXt4kyBbK0vOG99u8nUgoc/XMnBNjtS53bV77550dmfzgl5svD7+KqyEbAe2GVtoErgmSh z7NleDXIJ9cOfz+WqHkYOeyY0+vtw8QciUt3ZgKATtS1EbQnFuVrLiR+ZsI7ccj6aTC+DoSXBRx RaCGtqdq/E75BoRagZ1eMSpgYpbN4NQytT/N4Qnwr1Wy3ypWskeZ+fsqPGv/wPpU2BsnvVBf/yf Mayb7RVb7BqAXBNrVoXzdsvf/sQQ4FLid45fioMrDGlTdDI+KMqGXphsIogadlHRwQH9SdRT7y3 mxpQwDyaQa3oX95l8HkoS51/pSimUubpNoF+/y7rdA1ziBV5Wn/LJrZrbjNTpLJmo8ldCtDxjW7 HUyydcvAuJwq4wUZ+3/FsOijfJAawmOkaijXwJEIJLQTlRFXKrt7FBgPfnmbL/hx5AUiwqBwLCG HMDjqnDV43hxkGAVA7R1uxlCvc= X-Received: by 2002:a05:7300:a887:b0:2ba:a60a:15ef with SMTP id 5a478bee46e88-2be4de8dea3mr3085524eec.1.1772954344869; Sat, 07 Mar 2026 23:19:04 -0800 (PST) From: Chao Liu To: Paolo Bonzini , Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Chao Liu , Fabiano Rosas , Laurent Vivier Cc: tangtao1634@phytium.com.cn, qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v1 06/28] target/riscv: let ebreak enter the DM ROM Date: Sun, 8 Mar 2026 15:17:09 +0800 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1343; envelope-from=chao.liu.zevorn@gmail.com; helo=mail-dy1-x1343.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1772954372879154100 Content-Type: text/plain; charset="utf-8" When ebreak is configured to enter Debug Mode and a Debug Module ROM is present, restart execution from the ROM halt entry instead of reporting a legacy EXCP_DEBUG stop. This makes ebreak-driven debug entry follow the same ROM-based flow as haltreq and single-step stops. Signed-off-by: Chao Liu --- target/riscv/op_helper.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 945688eca8..7f2769f444 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -517,6 +517,10 @@ void helper_sdext_ebreak(CPURISCVState *env, target_ul= ong pc) =20 if (enter_debug) { riscv_cpu_enter_debug_mode(env, pc, DCSR_CAUSE_EBREAK); + if (env->dm_rom_present) { + env->pc =3D env->dm_halt_addr; + cpu_loop_exit(cs); + } cs->exception_index =3D EXCP_DEBUG; cpu_loop_exit_restore(cs, GETPC()); } --=20 2.53.0