From nobody Tue Feb 10 09:10:48 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=1654807341; cv=none; d=zohomail.com; s=zohoarc; b=Yw1dFU7R+5P9V2o4KeJNvXX4RXWFz9IoNNhVmFzqHrclCAe6MABRpilzJvzTYCekZJ0NWUhlLM2kvXhUTROqFSlaopuhDVHqSUkcwwE/UpBYe6/rdzLglIRKqu0AW6WbHF6jNId8MDsCNwqXaLlsEzHR3WjiIprmHv+KWE3qiyM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654807341; 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=kj2ZYfRQGSWcXMLkNM8zljFGjh4Y1FzFkf5hNzLBiyI=; b=dQ3/T8HdRWtc+/8jC2bkGeTVFQ6HY/B6LQwagG5/FNeFFz9SOPK8VbTSAVe7ImxJZRUb81uZsq/UDaOlblhMCfWBxHUXxs5/UhxfKVXUWjK6FIcptA34xFkZO21DMamENJSl2yTY5oW9Kyy97YklwHiVJcJCPKl6laz4t70gN3g= 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 1654807341788726.3103997652496; Thu, 9 Jun 2022 13:42:21 -0700 (PDT) Received: from localhost ([::1]:55564 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nzOyy-0001xx-LG for importer@patchew.org; Thu, 09 Jun 2022 16:42:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43096) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nzOmG-0003eU-3C for qemu-devel@nongnu.org; Thu, 09 Jun 2022 16:29:12 -0400 Received: from mail-pl1-x62d.google.com ([2607:f8b0:4864:20::62d]:36435) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nzOmE-0008SQ-8z for qemu-devel@nongnu.org; Thu, 09 Jun 2022 16:29:11 -0400 Received: by mail-pl1-x62d.google.com with SMTP id u18so21154957plb.3 for ; Thu, 09 Jun 2022 13:29:09 -0700 (PDT) Received: from stoup.. ([2602:ae:1547:e101:839f:476f:678:38a]) by smtp.gmail.com with ESMTPSA id r20-20020a635d14000000b003fded88238esm7528139pgb.36.2022.06.09.13.29.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jun 2022 13:29:08 -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=kj2ZYfRQGSWcXMLkNM8zljFGjh4Y1FzFkf5hNzLBiyI=; b=QmusMp69D93YwXt/7TOjJMXhkbte6nFaynuJ6DlS9+82QVE5I5dDyJD5/7g7pdGmyE xmhHthrgXobgre1xJCfHsEetJzDucay2DV2f9WO+dOWK+IxmHFNNe1nkmqQmE5WQlWtX AdlXXmxOfJL2DOWKlZjpZnIuufHv1yzuaqtqcVoHolZUaG0e8+QWTuMvxL0wPNjrq/xO Pb4ldVG9UXXj3axqtqKb4e9sFuc8hAjTzLQAU39ChG1itLNDaz/WtszMs7hSRO8q+FgV 1CNinAGTpSyub7lZjUuwJCXTkmsgVIIoM7YdF2FQ8dAbbOPbmRFWLGh+3JHX4iiE4Lir gEAw== 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=kj2ZYfRQGSWcXMLkNM8zljFGjh4Y1FzFkf5hNzLBiyI=; b=cYgROeCw3XH//fliES6OpmAobaYxeXtb0I8vL5MoLhmgGB42AoJTrsphwg/wwVT6Vm jw39C0XygKN6LSFngUyr+IyPBjda6kg8i08CHzG2ivdA51OgremkLnGpD+32eq7DJ+7e hdKBDEwiLAFlbyjZHYqepId48t3Dt5woSGPrGgMUfVF2Uc/FQKCDqn7BNS0b45nZWACH BHTq1m0/6aifVbMJrI/o/uZb3ySCLtYoJ/HfkbUa83H77+P+GuG4bTtg/GEX283xhwDD SNJIr2bDE8JA0y7bn/98cDsf62QLYZK6rFX7MgJtaKVz9RqQMeMGxHDoIY1b7+PL7smn ZYjw== X-Gm-Message-State: AOAM5313DTAkxYJxgKgnRrer5cfG70h+lEBAOa22Xf9IMavRTIXH8o6b Qx0L8fcnNc9ytUdJ+9yRR/iT+3/nnRzzVg== X-Google-Smtp-Source: ABdhPJzqRD/1COz0wfFbQYvgycVPwRKq9C3FUKEuTk5axjE/l9VKeKdfAkaDIsEF2uTfmpbX1CNQ4Q== X-Received: by 2002:a17:902:eb85:b0:167:987e:2686 with SMTP id q5-20020a170902eb8500b00167987e2686mr14360987plg.33.1654806548944; Thu, 09 Jun 2022 13:29:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v3 07/23] target/arm: Move exception_bkpt_insn to debug_helper.c Date: Thu, 9 Jun 2022 13:28:45 -0700 Message-Id: <20220609202901.1177572-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220609202901.1177572-1-richard.henderson@linaro.org> References: <20220609202901.1177572-1-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::62d; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62d.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: 1654807343213100001 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- 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 97c8c9ec77..2a8bdc2cbf 100644 --- a/target/arm/op_helper.c +++ b/target/arm/op_helper.c @@ -399,35 +399,6 @@ void HELPER(exception_with_syndrome)(CPUARMState *env,= uint32_t excp, raise_exception(env, excp, 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