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[173.198.77.218]) by smtp.gmail.com with ESMTPSA id ns18sm12091020pjb.31.2021.08.02.21.18.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Aug 2021 21:18:37 -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=3ilLRn5QHjk9kEG7WpME8yjOjay9RXC1nHaTI1fwlr8=; b=oynQi1tdUnJweE4yfSFQnFEMgJRurEUhIyl6w3BcB4qZkTNligr+Uztopmhuu/KRcM Z7N1Avqa0TuV+/M02qmm1cFNMKC56v/r4Z1cX4q+9MktmzXDWbCLK3HqZ6M9X5R3YMRG U/pDnMusWhg8S4dr7lKWvpLly0ulYb3/I27qUvSFS0YlAiB+c98D+ksrmfMGsE6zToA6 MYCecnFctuJXni7EmhWFQuu2Lk2pbrEUTdvVa60GNvwt3UcOI/TECXvHOD5FBktQReKt wQAQ74j3KhUs5LMkZrW9BqOCLr+BwKffbcT0Q5zlQcHQyBeBlOIUM5PgZ/WeGTYnYx0T H8mw== 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=3ilLRn5QHjk9kEG7WpME8yjOjay9RXC1nHaTI1fwlr8=; b=LR07K9VqtXVAJ6XUL6KdD6zeJEnOmVAGZSx4kdQDH2kFG3JVNx3Reoo70gI6iULz4A aAox8AUri+HqkVzkTB/TTRxgzL7MC2PHzcTH+nVdBVLDOjqVen0sZoj6Yx8rdUn3+Dy3 BQQP0txvJAIOp2ZeY/8c4xMnsaY/mkNjJNHKySLoRqpKXKw9lmxOFKeM3soaJbuAQXm+ cZ6UjLIucawKP65/oBpFQdWrnwbqPD+iviUrG8MmzKbVrggwysQjx+ndEi7+uCJLoTCO tXlUq7GfYE5qKQhdEsUO90q2wZi8qczHQ+0IJoTrdJR4fiWSAz8NbshJujOTyKZ0qu21 I+qw== X-Gm-Message-State: AOAM533aqRkN/4zSqogzYypM2VWWtTIyzRpyvGzL6s2N87N57xR4al9Q C9Qrr1GLuDG3oQMRZ9+WurM4BSy2+wjT4Q== X-Google-Smtp-Source: ABdhPJxdv1FXtI8AaLqWrDQBC4JawBepk/kD43JQui9WUsyWxcHkE1bwFZegdiLvTQduE7DZqk4JMQ== X-Received: by 2002:a17:90a:9b0b:: with SMTP id f11mr4016391pjp.120.1627964317311; Mon, 02 Aug 2021 21:18:37 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 42/55] tcg: Add helper_unaligned_mmu for user-only sigbus Date: Mon, 2 Aug 2021 18:14:30 -1000 Message-Id: <20210803041443.55452-43-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210803041443.55452-1-richard.henderson@linaro.org> References: <20210803041443.55452-1-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::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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1627965441103100001 Content-Type: text/plain; charset="utf-8" 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 | 7 +++++++ 2 files changed, 12 insertions(+) diff --git a/include/tcg/tcg-ldst.h b/include/tcg/tcg-ldst.h index 8c86365611..a934bed042 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 a= ddr, uint32_t val, void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val, MemOpIdx oi, uintptr_t retaddr); =20 +#else + +void QEMU_NORETURN helper_unaligned_mmu(CPUArchState *env, target_ulong ad= dr, + uint32_t type, uintptr_t ra); + #endif /* CONFIG_SOFTMMU */ #endif /* TCG_LDST_H */ diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 46b74b5f70..2da11aeca0 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" =20 #undef EAX @@ -867,6 +868,12 @@ static void validate_memop(MemOpIdx oi, MemOp expected) #endif } =20 +void helper_unaligned_mmu(CPUArchState *env, target_ulong addr, + uint32_t access_type, uintptr_t ra) +{ + cpu_unaligned_access(env_cpu(env), addr, access_type, MMU_USER_IDX, ra= ); +} + static void *cpu_mmu_lookup(CPUArchState *env, target_ulong addr, MemOpIdx oi, uintptr_t ra, MMUAccessType type) { --=20 2.25.1