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[88.21.201.17]) by smtp.gmail.com with ESMTPSA id f22sm3013964wmc.33.2021.03.12.10.28.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 10:28:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9MjJyVV/hMhFIu1Hswys1HIyZDTyxmxZhi30bZ2BoFk=; b=GrTyctvg6diIqExCQcxbWffDQdHX8KVQZumxnsK/j3fM7Hg7CJs6xlAYzscwRpyT4N mkKXAJR+m3d2dtN0Si0HInZ/D4DdsCsMEkM36p6ScmNyHwwQEQrSP/ZEuaxo711pO9ih 4XsHhXn7unePstbgu3QYuabpQxpYe6THsFQcGb29Gn0/LEUdyWskmL7XZxoGEdCh9mMu psATY9d0se6uTSu//UcnkZIhmSnxLKPDdY7d7oJh5tFKLxhyET+ASLJBNXzq3rdep9Sm EoaSSrXxJUF8bsTmywam+ffKLYu4zir9G98y537ACSlT6jnu/fXnXW85T1r7xK6uPqsx T7Jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=9MjJyVV/hMhFIu1Hswys1HIyZDTyxmxZhi30bZ2BoFk=; b=n3382DOfSFCHH+5h99ffeYmovdTbFtsDd8zZUeQJUFI/h9du3VZ6eigbxWLkPzpRcW uBY+khDhs7FHUWdl74IZK7L3NNcV3huuJN2ae2fh0Pu6fuiK4Mgsxv2yiUAhdszlFU4U +8dqDLtacnPiIoxOZLyKNIIBZJuD1u5xLIkXaY5AY56OCHCwOXUs4JQdOTEPXjasNFIl zkWFPnAxNLXfO7fK7OLmajBe6cE6cI4Yoom2DAnLR/d7/YkAnoWPWIC6cbyoWgJS2sz4 s64+SB6vO8LGc5Ke5/DlFkRkiOJ9I5KXqb+tJFwl15iXCYVnkqzBvqcebzykrTMYC0w+ H3eg== X-Gm-Message-State: AOAM531QDTIuJQEAa5jJECDERytRgurad2URiw6WXJEnFtGantxXo++1 b07cLg8hN01H0KWq2oaiayM= X-Google-Smtp-Source: ABdhPJzP84qOkAaGfhRxvOkhoTcolHtBz+XnGVQOcTkffpWZPHqLggjGsz1tK8hTBh9v66Uqk3Bf0Q== X-Received: by 2002:adf:fd91:: with SMTP id d17mr15531540wrr.0.1615573739465; Fri, 12 Mar 2021 10:28:59 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Greg Kurz , qemu-arm@nongnu.org, Peter Xu , Andrew Jeffery , Alistair Francis , Joel Stanley , Paolo Bonzini , qemu-ppc@nongnu.org, David Gibson , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 1/5] hw/arm/aspeed: Do not directly map ram container onto main address bus Date: Fri, 12 Mar 2021 19:28:47 +0100 Message-Id: <20210312182851.1922972-2-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210312182851.1922972-1-f4bug@amsat.org> References: <20210312182851.1922972-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) The RAM container is exposed as an AddressSpace. AddressSpaces root MemoryRegion must not be mapped into other MemoryRegion, therefore map the RAM container using an alias. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/arm/aspeed.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index a17b75f4940..daeef5b32a2 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -40,6 +40,7 @@ struct AspeedMachineState { =20 AspeedSoCState soc; MemoryRegion ram_container; + MemoryRegion ram_container_alias; MemoryRegion max_ram; bool mmio_exec; char *fmc_model; @@ -339,9 +340,12 @@ static void aspeed_machine_init(MachineState *machine) } qdev_realize(DEVICE(&bmc->soc), NULL, &error_abort); =20 + memory_region_init_alias(&bmc->ram_container_alias, NULL, + "ram-container-alias", &bmc->ram_container, 0, + memory_region_size(&bmc->ram_container)); memory_region_add_subregion(get_system_memory(), sc->memmap[ASPEED_DEV_SDRAM], - &bmc->ram_container); + &bmc->ram_container_alias); =20 max_ram_size =3D object_property_get_uint(OBJECT(&bmc->soc), "max-ram-= size", &error_abort); --=20 2.26.2