From nobody Tue Feb 10 12:58:38 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=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1654570398; cv=none; d=zohomail.com; s=zohoarc; b=eJo7pgd2whcxBzi5YNrPUi+VDHUHkO8sl7AHtVUsGgRNgw5m9VW0ox8dsgwwY5mntYZuwfGLgU3x22g6BBZK/BsigHS8hshpSV5VdQ0YeNNfAX3e0LxXr+vc4QxvWK5OOAUyizwcSYHEz70h2l6TosOWJnZ9DhPyPRK3IAHxFrI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654570398; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=t3QqzZZIr7UgbN3ZekMQ8h5fse6DD+fMoam6hjgppWE=; b=oJ/XeHaFaVKYxpFQPi5tRz/IASgoHhjKp3g0cJJ18AHcttL/1jNQx2hAOrp6iHrsp/ReQFxz04YbgXTt5CAfDzLpr//rXnUiPeB8fzExukPdlsXX/LOyD/cbogoZ62jokLbcu2fpFP8T8N4IiZZdwMCBxaET+bM5rPBKJKfDD0A= 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 1654570398541624.6140700008837; Mon, 6 Jun 2022 19:53:18 -0700 (PDT) Received: from localhost ([::1]:38222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nyPLJ-0008Ra-I6 for importer@patchew.org; Mon, 06 Jun 2022 22:53:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32958) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nyPFz-0006lB-1H for qemu-devel@nongnu.org; Mon, 06 Jun 2022 22:47:47 -0400 Received: from mail-pj1-x102f.google.com ([2607:f8b0:4864:20::102f]:42680) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nyPFv-0000Jc-KY for qemu-devel@nongnu.org; Mon, 06 Jun 2022 22:47:46 -0400 Received: by mail-pj1-x102f.google.com with SMTP id d12-20020a17090abf8c00b001e2eb431ce4so14214085pjs.1 for ; Mon, 06 Jun 2022 19:47:43 -0700 (PDT) Received: from stoup.. ([2602:ae:1547:e101:d3db:cca:e5c9:6531]) by smtp.gmail.com with ESMTPSA id y26-20020aa7805a000000b0051876d83714sm7476904pfm.196.2022.06.06.19.47.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jun 2022 19:47:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=t3QqzZZIr7UgbN3ZekMQ8h5fse6DD+fMoam6hjgppWE=; b=CTmXMfS6FCWvfvnO5WPje6Oj9LPCpEKr1KhT25MLPj2UIBdFYDMmGH3xJ7DhED3peo /4LTy71tWBI7RWdTN5cQJ0+AVgposcFWpaPBDnQF1NaolNjx/gXvOkHrlKuDQuZxkPtT RQ0JPZPdZal7q3p5jZ8QduKRN6K/tsLd5LO52tUsfvZaZDd4QX9W7g7kAYXKa/W57QfI hqoyznEaXeA8JKEkRMyRKUm9nKXckupDbNlKXVjdkDNSTLwpsnvXmCSYT+r5lFYEneOx URlbNxeSoBZzlLd0kYlCkdktv3gkWSMyAo9VDk1/bPVYfr79H3d/jV3koQY8f4oLred+ e6sQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=t3QqzZZIr7UgbN3ZekMQ8h5fse6DD+fMoam6hjgppWE=; b=nN/F8d8zskAjiEn26miF2pxWTUTteQ7QjCYcBg8uIqrRCZxrAyMJo2aFALWcrBW58r uxaJpDVbdvvMY8giphMYywTm87PSGDesjd89L6nUDI7VUTMPTynVOKZvZthaZghm+O8e T5JfkPFL0VwDvFF+ZlZaTJC5bsC3B9rGd35ywReBSr5R7gKoPi9iSTZNeSYTU34gjUZU T1JnncSUYJCsc+bndbCkrT+z6peqtTqOaQtZdNV96RtdUJMSOzzquGGguUz5PlGF4/YX 5cmkFDKt9bX6mjiRrRmVfiFGvAVfcuy6vvckv+vwryyak8LE2jgTE+7p6pBKz2POrYxu jEpQ== X-Gm-Message-State: AOAM530wCWIzN0KOpK5h1IH5fQ6cDYyIcl389Byg/WrTykeKKiY/DxYg HGhxB0P7uWLfsjN53GmipyoaKI4oMPIxEQ== X-Google-Smtp-Source: ABdhPJwwkeQvoE6xBsXy4mpGeT2It/cIkT/jmZDOrmNr5KXuHz/cKuYVSUF+IlLPuAwUjKEWSeYG8w== X-Received: by 2002:a17:90b:380b:b0:1e6:67f6:f70c with SMTP id mq11-20020a17090b380b00b001e667f6f70cmr32040077pjb.120.1654570062385; Mon, 06 Jun 2022 19:47:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH v2 08/25] target/arm: Move exception_bkpt_insn to debug_helper.c Date: Mon, 6 Jun 2022 19:47:17 -0700 Message-Id: <20220607024734.541321-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220607024734.541321-1-richard.henderson@linaro.org> References: <20220607024734.541321-1-richard.henderson@linaro.org> 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::102f; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102f.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1654570400553100005 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/debug_helper.c | 31 +++++++++++++++++++++++++++++++ target/arm/op_helper.c | 29 ----------------------------- 2 files changed, 31 insertions(+), 29 deletions(-) diff --git a/target/arm/debug_helper.c b/target/arm/debug_helper.c index a18a09a0c3..80dff0788b 100644 --- a/target/arm/debug_helper.c +++ b/target/arm/debug_helper.c @@ -430,6 +430,37 @@ void arm_debug_excp_handler(CPUState *cs) } } =20 +/* + * Raise an EXCP_BKPT with the specified syndrome register value, + * targeting the correct exception level for debug exceptions. + */ +void HELPER(exception_bkpt_insn)(CPUARMState *env, uint32_t syndrome) +{ + int debug_el =3D arm_debug_target_el(env); + int cur_el =3D arm_current_el(env); + + /* FSR will only be used if the debug target EL is AArch32. */ + env->exception.fsr =3D arm_debug_exception_fsr(env); + /* + * FAR is UNKNOWN: clear vaddress to avoid potentially exposing + * values to the guest that it shouldn't be able to see at its + * exception/security level. + */ + env->exception.vaddress =3D 0; + /* + * Other kinds of architectural debug exception are ignored if + * they target an exception level below the current one (in QEMU + * this is checked by arm_generate_debug_exceptions()). Breakpoint + * instructions are special because they always generate an exception + * to somewhere: if they can't go to the configured debug exception + * level they are taken to the current exception level. + */ + if (debug_el < cur_el) { + debug_el =3D cur_el; + } + raise_exception(env, EXCP_BKPT, syndrome, debug_el); +} + #if !defined(CONFIG_USER_ONLY) =20 vaddr arm_adjust_watchpoint_address(CPUState *cs, vaddr addr, int len) diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c index 00a082d1f7..ae0009d1a3 100644 --- a/target/arm/op_helper.c +++ b/target/arm/op_helper.c @@ -413,35 +413,6 @@ void HELPER(exception_advsimdfp_access)(CPUARMState *e= nv, raise_exception(env, EXCP_UDEF, syndrome, target_el); } =20 -/* Raise an EXCP_BKPT with the specified syndrome register value, - * targeting the correct exception level for debug exceptions. - */ -void HELPER(exception_bkpt_insn)(CPUARMState *env, uint32_t syndrome) -{ - int debug_el =3D arm_debug_target_el(env); - int cur_el =3D arm_current_el(env); - - /* FSR will only be used if the debug target EL is AArch32. */ - env->exception.fsr =3D arm_debug_exception_fsr(env); - /* FAR is UNKNOWN: clear vaddress to avoid potentially exposing - * values to the guest that it shouldn't be able to see at its - * exception/security level. - */ - env->exception.vaddress =3D 0; - /* - * Other kinds of architectural debug exception are ignored if - * they target an exception level below the current one (in QEMU - * this is checked by arm_generate_debug_exceptions()). Breakpoint - * instructions are special because they always generate an exception - * to somewhere: if they can't go to the configured debug exception - * level they are taken to the current exception level. - */ - if (debug_el < cur_el) { - debug_el =3D cur_el; - } - raise_exception(env, EXCP_BKPT, syndrome, debug_el); -} - uint32_t HELPER(cpsr_read)(CPUARMState *env) { return cpsr_read(env) & ~CPSR_EXEC; --=20 2.34.1