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[122.58.167.38]) by smtp.gmail.com with ESMTPSA id g16-v6sm205171pgn.51.2018.05.08.13.09.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 08 May 2018 13:09:16 -0700 (PDT) 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=A6e+Oc96R/yne0h81eqyS2dKTfKs0vOv/Aj+HUAk7AM=; b=fE5478ipg1gqCxKVBJqvcIdoi7K3TJYpw9FTpdpxu6ewmFOY5hj+vMc7Tt0UiYSESV gPpM9bCtRE84E4Wmrv0Ahf95UkxZHklHGlBIT/Q7mhMw7csvC2rPk3gSn1kBcAx+6zA8 bT6DxlT7ElquFVyynqsb8Pn5gU6uPahzyUOeucoTJRNjVnfdfyahkQ4UcYkxR0OmnVXw XubItlHtbesOhiM1Da171S/OH+XP3Ex3+k98/HR83LfvKDe8/0Ysng/0pC/zV4v8Ixo5 mL85dhyuaSrOTqLq3QZF0XrKpR9mMdWdLMGTPlH7Hoil4n9r4TkqEx6nlUqx0ZFo/GVV UAjA== 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=A6e+Oc96R/yne0h81eqyS2dKTfKs0vOv/Aj+HUAk7AM=; b=KiQPvacT7qaSRo+Ci6Mbn+n4CTbx8SlNtClfJb7V2Pt+PyFyTEIaHqplx2tgrTO0Rf JgDY3lBU8pLGOu/RZLc4FK5zi6bsbgPMeYNwSYz1fvMtHV4jQ9vwhQXzyf/EVyxhjSkv 4ZykUty4U/dC98s6ztm9sEKcyb/jAD907lWcRYhrz3eKTHiIgK7c6jjr7I5sxzNoQlA1 pDU+8v5UdOVPsm+pZp77PScF/p+y6VpRiGg144v2TcQ7KmwjyYRiMicJUwn3Eq4pTrPd 9JY4hvygV9Av1EqqRC+2wa4GJ51DQwya5i+t098g3iZhwPTBjz7GeMBJJzOVpBcK4/lZ JpkA== X-Gm-Message-State: ALQs6tAoeOT/U/rCeBzOh4atEmLviIgDjCnTRMkYe/+lpXcYHfwrCHAV nOXzgi4R/rG7jAb50NNOSyzbMiu/bW4= X-Google-Smtp-Source: AB8JxZpkSnAtTTgTwP34e1mHwrfuXDbk7Ba3YrrHdwDG0M2v+ffOLhJZaDxzZfAsHV6ZI7oqCVEHGg== X-Received: by 10.98.7.140 with SMTP id 12mr29928893pfh.178.1525810157045; Tue, 08 May 2018 13:09:17 -0700 (PDT) From: Michael Clark To: qemu-devel@nongnu.org Date: Wed, 9 May 2018 08:07:39 +1200 Message-Id: <1525810060-36690-3-git-send-email-mjc@sifive.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1525810060-36690-1-git-send-email-mjc@sifive.com> References: <1525810060-36690-1-git-send-email-mjc@sifive.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::241 Subject: [Qemu-devel] [PULL 2/3] riscv: htif: increase the priority of the htif subregion X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: patches@groups.riscv.org, KONRAD Frederic , Michael Clark Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: KONRAD Frederic The htif device is supposed to be mapped over an other subregion. So increa= se its priority to one to avoid any conflict. Here is the output of info mtree: Before: (qemu) info mtree address-space: memory 0000000000000000-ffffffffffffffff (prio 0, i/o): system 0000000000000000-000000000000000f (prio 0, i/o): riscv.htif.uart 0000000000000000-0000000000011fff (prio 0, ram): riscv.spike.bootrom 0000000002000000-000000000200ffff (prio 0, i/o): riscv.sifive.clint 0000000080000000-0000000087ffffff (prio 0, ram): riscv.spike.ram address-space: I/O 0000000000000000-000000000000ffff (prio 0, i/o): io address-space: cpu-memory-0 0000000000000000-ffffffffffffffff (prio 0, i/o): system 0000000000000000-000000000000000f (prio 0, i/o): riscv.htif.uart 0000000000000000-0000000000011fff (prio 0, ram): riscv.spike.bootrom 0000000002000000-000000000200ffff (prio 0, i/o): riscv.sifive.clint 0000000080000000-0000000087ffffff (prio 0, ram): riscv.spike.ram After: (qemu) info mtree address-space: memory 0000000000000000-ffffffffffffffff (prio 0, i/o): system 0000000000000000-000000000000000f (prio 1, i/o): riscv.htif.uart 0000000000000000-0000000000011fff (prio 0, ram): riscv.spike.bootrom 0000000002000000-000000000200ffff (prio 0, i/o): riscv.sifive.clint 0000000080000000-0000000087ffffff (prio 0, ram): riscv.spike.ram address-space: I/O 0000000000000000-000000000000ffff (prio 0, i/o): io address-space: cpu-memory-0 0000000000000000-ffffffffffffffff (prio 0, i/o): system 0000000000000000-000000000000000f (prio 1, i/o): riscv.htif.uart 0000000000000000-0000000000011fff (prio 0, ram): riscv.spike.bootrom 0000000002000000-000000000200ffff (prio 0, i/o): riscv.sifive.clint 0000000080000000-0000000087ffffff (prio 0, ram): riscv.spike.ram Reviewed-by: Michael Clark Signed-off-by: KONRAD Frederic Signed-off-by: Michael Clark Message-Id: <1525360636-18229-3-git-send-email-frederic.konrad@adacore.com> --- hw/riscv/riscv_htif.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/riscv/riscv_htif.c b/hw/riscv/riscv_htif.c index be252ec8cce9..f73512941fb6 100644 --- a/hw/riscv/riscv_htif.c +++ b/hw/riscv/riscv_htif.c @@ -253,8 +253,9 @@ HTIFState *htif_mm_init(MemoryRegion *address_space, Me= moryRegion *main_mem, htif_be_change, s, NULL, true); if (address_symbol_set =3D=3D 3) { memory_region_init_io(&s->mmio, NULL, &htif_mm_ops, s, - TYPE_HTIF_UART, size); - memory_region_add_subregion(address_space, base, &s->mmio); + TYPE_HTIF_UART, size); + memory_region_add_subregion_overlap(address_space, base, + &s->mmio, 1); } =20 return s; --=20 2.7.0