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[147.11.224.80]) by smtp.gmail.com with ESMTPSA id cx22sm1785544pjb.25.2019.07.31.05.45.06 (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 31 Jul 2019 05:45:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id; bh=HAeOaFFL9b+Ha+smaOrqj2eR+CVvy1nn1X53scmUeIo=; b=oFz76iEe3ycU62zpRoATFJZgQ6sTKU4nISDkz3NBQhMckLhbI6g0Tu23EXyV09c07a EuZ1/kEw9SoLFGkT8viamF7lJ2C7JK6b28dDISZDUQU0Qxed5NWXdwrbZOHqR1vEEQmW PeZ85JkeQDX8v1uvGbkZgPr2CRbq9XHyDC/lw/rQeDUoC6rLj2LtxRiHJxKPpB75MO+K gWqgz97gllcjz3UjJsLRu3EArbnVx0kjpR7ksQkZpnm2XVtw7JuiStXnCWO6YKIpFO0R aZQLIqNQMqMXogh4k4eLzv7YrFgZESnYCs+ZqwqplmbietkwoFLs8jfAOv2PK8VTBOf9 1bnA== 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; bh=HAeOaFFL9b+Ha+smaOrqj2eR+CVvy1nn1X53scmUeIo=; b=nYVlReyZZvUM8eG2cHgvQz1NnVr0dU7T8H/9kXLMiFJtlaAgfqz5bHbT+kaA8o/w27 mXpPfkxinZnapKxjtrhhzO5XSUTmJNO1DhYlMAf7gwpeX8/Xcmhzy7HclWEzkL+CUN5Q RAbm+T4js0gtPTcqBPC21+11aox4eU4b2Z1yaEnZ0rW+2tTc8SaWLwQeC53j5WRJtw0M piIYgoF9h2FR5FwvjceClZjRyuA13q4t5g/ghi3gG3be1AmbK6uX90Usjf7ZfmmvxJ57 qPiBvHJzh3Ztz8eCsMqwc/T2Q51sZWk6rXylooy9jhN4jeVsNs5ZwLDVT2qaVzPLZYnU jOrQ== X-Gm-Message-State: APjAAAXcJCGzUs1ETDfSdzLCouIOQS62bIVojqZmSBB8nsxZM2iB8ygt gLDCsluPvOB3Rjz5TFy0nKI= X-Google-Smtp-Source: APXvYqxxrknhMfq6PWbtCz5Amh5ezY0IbBRAAv0wvFIdd4Ol9WrnsFIvxSKAqWa0YwGQjT77X5SNPg== X-Received: by 2002:aa7:8e18:: with SMTP id c24mr47516887pfr.24.1564577107829; Wed, 31 Jul 2019 05:45:07 -0700 (PDT) From: Bin Meng To: Alistair Francis , Palmer Dabbelt , Bastian Koppelmann , Sagar Karandikar , QEMU devel , QEMU riscv Date: Wed, 31 Jul 2019 05:45:01 -0700 Message-Id: <1564577101-29020-1-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.1 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::543 Subject: [Qemu-devel] [PATCH] riscv: rv32: Root page table address can be larger than 32-bit 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: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" For RV32, the root page table's PPN has 22 bits hence its address bits could be larger than the maximum bits that target_ulong is able to represent. Use hwaddr instead. Signed-off-by: Bin Meng --- target/riscv/cpu_helper.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index e32b612..3150a6a 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -176,7 +176,7 @@ static int get_physical_address(CPURISCVState *env, hwa= ddr *physical, =20 *prot =3D 0; =20 - target_ulong base; + hwaddr base; int levels, ptidxbits, ptesize, vm, sum; int mxr =3D get_field(env->mstatus, MSTATUS_MXR); =20 @@ -239,7 +239,7 @@ restart: ((1 << ptidxbits) - 1); =20 /* check that physical address of PTE is legal */ - target_ulong pte_addr =3D base + idx * ptesize; + hwaddr pte_addr =3D base + idx * ptesize; =20 if (riscv_feature(env, RISCV_FEATURE_PMP) && !pmp_hart_has_privs(env, pte_addr, sizeof(target_ulong), --=20 2.7.4