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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id h16sm2865664pgd.62.2021.01.12.01.41.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Jan 2021 01:41:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=9thnu29aSy99YUg/so9eSCfEpK9kCKrFxV7BaONEJHU=; b=joiCAkoxb2/1vWc7PF3k7r9i15OiDUU2axmvnU/X+78ouRTRgL+V+LkmErfGA5rs9x SoFz0i6SHWR7rCTb4bJWFBNga4oW5+gvjRXy5mu9F4OYbF7wbXS17kE4Iao/FO6hJDa5 PkTR2SrIkBGUPnOeyHvJmF9CR8If4gOp9b7ch/vlQOV5ERUJqVhjnsgeBMl77hnorE4y 2GNPV/KkL4JLdBjMpsnPxzeZmoSZmF3AIZXv98ft/gx5ONqEbV4VCKvI9jCHX1e57O5w h5Lr9dslqho9/lHFaDStfwUmroWvzww8nPf1A35wwhw0vpJQXxZZZCtHz1Wn9dPeH6jj UYnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=9thnu29aSy99YUg/so9eSCfEpK9kCKrFxV7BaONEJHU=; b=jn4+RrkiZfYg/H76v2EFAZBa1LM8IgPn3r8nPbK3UThKo1lhKns+DEjYXMFceBzVT1 1+tXLEO6D4vvZTzyzMoCtV95qSvoS2G5R/3PagJEbGYZFIyk2XkWIeLFkMMQZgYF40Qq H//3RVRrbPX///eBNlpXIqv0RwJ7e5GnvFiiNLiGj9zjs3N007EGrP3RYz6Srt1IAkjn j3pGdkIkoqtdHWGwojd/vqbPVzrZ0hzgsK+UDvUfT/jOBapSG+GUo70SBuTp6J+eluzR 5cUU8Wat0b6+V7wQc31MK1IQ0n8DcFqI0yuBVqR37F2SYSsky1FwILDOVeLS7x7v4ElU 5nBg== X-Gm-Message-State: AOAM5305wCv38MInvsG7qXTbfL5g2nC6EMEZiOBGXi1o075cujz1G0CG LXxW5RlfSHnbs85dbzMZeRL/sex7NiFIRNpC X-Google-Smtp-Source: ABdhPJwYztYXPmBg9u5u8yd4nfNiHrc+a7hFNa7yZfwN8XLu3/ErDPQwRSYF+y0vnErwtPjiHYNykQ== X-Received: by 2002:a17:90b:352:: with SMTP id fh18mr3681742pjb.170.1610444479368; Tue, 12 Jan 2021 01:41:19 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v6 20/72] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns Date: Tue, 12 Jan 2021 17:38:54 +0800 Message-Id: <20210112093950.17530-21-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210112093950.17530-1-frank.chang@sifive.com> References: <20210112093950.17530-1-frank.chang@sifive.com> 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::635; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x635.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=unavailable 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: , Cc: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Frank Chang Replace ETYPE from signed int to unsigned int to prevent index overflow issue, which would lead to wrong index address. Signed-off-by: Frank Chang Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/vector_helper.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 368259f75a0..9349a36b41b 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -361,10 +361,10 @@ static target_ulong NAME(target_ulong base, = \ return (base + *((ETYPE *)vs2 + H(idx))); \ } =20 -GEN_VEXT_GET_INDEX_ADDR(idx_b, int8_t, H1) -GEN_VEXT_GET_INDEX_ADDR(idx_h, int16_t, H2) -GEN_VEXT_GET_INDEX_ADDR(idx_w, int32_t, H4) -GEN_VEXT_GET_INDEX_ADDR(idx_d, int64_t, H8) +GEN_VEXT_GET_INDEX_ADDR(idx_b, uint8_t, H1) +GEN_VEXT_GET_INDEX_ADDR(idx_h, uint16_t, H2) +GEN_VEXT_GET_INDEX_ADDR(idx_w, uint32_t, H4) +GEN_VEXT_GET_INDEX_ADDR(idx_d, uint64_t, H8) =20 static inline void vext_ldst_index(void *vd, void *v0, target_ulong base, --=20 2.17.1