From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2BBD2C432BE for ; Wed, 18 Aug 2021 20:03:00 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DCBF060EBC for ; Wed, 18 Aug 2021 20:02:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DCBF060EBC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:54736 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mGRm6-00069W-St for qemu-devel@archiver.kernel.org; Wed, 18 Aug 2021 16:02:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58752) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mGR9k-0006ny-6N for qemu-devel@nongnu.org; Wed, 18 Aug 2021 15:23:20 -0400 Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]:51061) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mGR9i-0002fh-KW for qemu-devel@nongnu.org; Wed, 18 Aug 2021 15:23:19 -0400 Received: by mail-pj1-x102d.google.com with SMTP id bo18so3382363pjb.0 for ; Wed, 18 Aug 2021 12:23:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=jWZckpkxE9uIH7Kemi/cAWTlru/8DfEcWtH0nqhtr9E=; b=QXAF9Us20mae24KwME5FPRzgh9yIgjcXe8I8rGdZDrV4A37RkTpTAbCz7keOQHHmJN m/EWyhV/3RTOBiuEehuCPkrwLf8BnK28nQi59R3mmfTfkFT6gS1XQtw25mv45Cy0ImeQ D8xE0DLmPVVoywYqwdZQiB8CzAmxgPxBLP50TjwmY/ba6SUztopNoQRm0bZxZmUVrhvQ 7gzI2MPAZErVBmSa2GhJu4d7gkHvxFlJfn113AdRg48Wu6fRL7g9M4owWbKF3h3jT1dX WChW/WtOfxzmtoKxXBtOlAnS6i3wUuN2lCF1+4lg9hctcIgYpdD3LBNA2RCp6KLS8R8H jjHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=jWZckpkxE9uIH7Kemi/cAWTlru/8DfEcWtH0nqhtr9E=; b=K9TtBAWr/nifUwbIxnstEOWxJtmlUC+yCys2AwRKkGAdcG/Bdnqk+fe3QH/lbnjOgq YzSAPCXAPW2SP055CIEfTmELBqKuzygu3EhzzkhCgBbLliGy9Evi2Sf5ZsO+QkQzI4R7 AntjGyS8jVxav3UENeQsRthOMdX6P/S4/1//RpOoSoOkxwG+DC4zZzkwlkfB2AaX0noG Uiq3RTRHOkVV+SvphwR0DUOb3/qZHYXx49X0i4fMOv934r9T7DQAeajz8vwofyDKpfbK jt9S1im4hvq7xeBhR3cVduUx7kTEsRY14PaqDGR+wPOkbNgoV6eJD7aM8aOBUVnEySFf W6wg== X-Gm-Message-State: AOAM5329ZFAUzKSrXTSnvvWMwkm4UrECyEYBJBq0K3c+2sny7flLylpU q1efpdnViFfLETgaex+7knWeUcy0hjM+9w== X-Google-Smtp-Source: ABdhPJx7r3t1DHu5mkGcjI6X64SBV1SYpodecBqWF871UY06HgdMoxO5kVmhYhVjnh763blmI0E/BA== X-Received: by 2002:a17:90a:8b12:: with SMTP id y18mr10867405pjn.72.1629314597385; Wed, 18 Aug 2021 12:23:17 -0700 (PDT) Received: from localhost.localdomain ([173.197.107.15]) by smtp.gmail.com with ESMTPSA id w82sm569302pff.112.2021.08.18.12.23.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Aug 2021 12:23:17 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 43/66] tcg: Add helper_unaligned_{ld, st} for user-only sigbus Date: Wed, 18 Aug 2021 09:18:57 -1000 Message-Id: <20210818191920.390759-44-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210818191920.390759-1-richard.henderson@linaro.org> References: <20210818191920.390759-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102d; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102d.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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" To be called from tcg generated code on hosts that support unaligned accesses natively, in response to an access that is supposed to be aligned. Signed-off-by: Richard Henderson --- include/tcg/tcg-ldst.h | 5 +++++ accel/tcg/user-exec.c | 13 +++++++++++++ 2 files changed, 18 insertions(+) diff --git a/include/tcg/tcg-ldst.h b/include/tcg/tcg-ldst.h index 8c86365611..bf40942de4 100644 --- a/include/tcg/tcg-ldst.h +++ b/include/tcg/tcg-ldst.h @@ -70,5 +70,10 @@ void helper_be_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val, void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val, MemOpIdx oi, uintptr_t retaddr); +#else + +void QEMU_NORETURN helper_unaligned_ld(CPUArchState *env, target_ulong addr); +void QEMU_NORETURN helper_unaligned_st(CPUArchState *env, target_ulong addr); + #endif /* CONFIG_SOFTMMU */ #endif /* TCG_LDST_H */ diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 46b74b5f70..6a3fec3002 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -27,6 +27,7 @@ #include "exec/helper-proto.h" #include "qemu/atomic128.h" #include "trace/trace-root.h" +#include "tcg/tcg-ldst.h" #include "internal.h" #undef EAX @@ -867,6 +868,18 @@ static void validate_memop(MemOpIdx oi, MemOp expected) #endif } +void helper_unaligned_ld(CPUArchState *env, target_ulong addr) +{ + cpu_unaligned_access(env_cpu(env), addr, MMU_DATA_LOAD, + MMU_USER_IDX, GETPC()); +} + +void helper_unaligned_st(CPUArchState *env, target_ulong addr) +{ + cpu_unaligned_access(env_cpu(env), addr, MMU_DATA_STORE, + MMU_USER_IDX, GETPC()); +} + static void *cpu_mmu_lookup(CPUArchState *env, target_ulong addr, MemOpIdx oi, uintptr_t ra, MMUAccessType type) { -- 2.25.1