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[81.40.121.39]) by smtp.gmail.com with ESMTPSA id e33sm11373819wmp.43.2021.04.17.03.30.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Apr 2021 03:30:36 -0700 (PDT) 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=HeEMfM8xls4IrDQ+W3vHIv1EqNRgEdPk82n7+iZ8zHs=; b=czqEvhcG43xW7+3XWZZrmh7JMQKFKF+O72yip6Sz7CE9p9IFgyIhSL7wAkuDvsL+WD 320sgnlnUtO+2oCUgrWYedAneosLEROnhro20qukKFNwWBeg5s0l4AUHMHDsk5DNVISo E18h5A9op0WO8gFpwBBMrExZFjdSkp7/Ps8uCoNmouPvwJIAqZgQvQWiXZ6+lC7daElL cLJmqqyDEszHQOnO7ned5Oh+euw+yvsB68e1HjAdbZ1+V5rbU5IIWZIhUBa6N8cRviPa l1bSCIm76rfkiTlOp655x56/+Id1oLGLhmGw4idb5ztGxZkgJOXqtF8rQBXKxioaZeQn OfjQ== 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=HeEMfM8xls4IrDQ+W3vHIv1EqNRgEdPk82n7+iZ8zHs=; b=UIEHDr8qwvhxQtXGCvlHOnNS7IxJMfZoDLgflBRHXU8skx7JnZRa+U/2JOy5YopotI c1TrUzG+ojHk2p2SwRsU9VfgBcqtdcEaSRu1Ua+agXQbmV8ihn7hBRaJeqTrBGQnq5WC s3E/Jy7VVXuoJhX+7RH1I7t6Rim7nKUgpn6bJ2qJC4hl+nFoaNPFUnCUBUkXU+Vbb01b 60OTW043fZOJmF/ocR7bEZJhgOudekjdfKuywaE25AbiJzeAnG4YYG+apAPBDPYNJbkZ 5uSIGsJ6jdEDAcri/Bm7Y1qW4Wv8tfhvQFvkp9aTkKHBe3YSkv0imrYWlSDhWZxAAJcs Ybig== X-Gm-Message-State: AOAM531u0N3JynWIXnEzYWPlCh5PajLwHyoJSH4TYErelTj4fWpzH1B4 5frYj4ablFP0q1J5xDtfPq8= X-Google-Smtp-Source: ABdhPJxWrcyHQzF0FS+fpcGeplEaLL4CyLN1jomG0zxlsngQNRLbJO+nPT3171NUlQVMVN1YsPmTFg== X-Received: by 2002:adf:f948:: with SMTP id q8mr3744936wrr.296.1618655436524; Sat, 17 Apr 2021 03:30:36 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-ppc@nongnu.org, Peter Maydell , Peter Xu , David Gibson , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Andrew Jeffery , Joel Stanley Subject: [PATCH v2 01/11] hw/arm/aspeed: Do not directly map ram container onto main address bus Date: Sat, 17 Apr 2021 12:30:18 +0200 Message-Id: <20210417103028.601124-2-f4bug@amsat.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210417103028.601124-1-f4bug@amsat.org> References: <20210417103028.601124-1-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 2.26.3