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Thu, 23 Jan 2020 11:42:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579779787; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=upnn6TZ2z+RGb5mRcWQbvzFreS/ItZVM5qv6MZwdjto=; b=SoChIcCH780dZL4eOw+pjpnVGYcx8DB45SVwhxVVTR0MzhKGP54rR1YjsOJgmbqFY4COIW Yo2SAaShx6YRNK3JpA9AdwHGk/xrhtxL+ruKV8xHRBVKHT4JAjMic3i3ynd/LvIFtIX97K veG+DkWm6gDKvaCSgchGEKo53kKptX0= From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH REPOST v3 44/80] x86/pc: use memdev for RAM Date: Thu, 23 Jan 2020 12:38:09 +0100 Message-Id: <1579779525-20065-45-git-send-email-imammedo@redhat.com> In-Reply-To: <1579779525-20065-1-git-send-email-imammedo@redhat.com> References: <1579779525-20065-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: No-b_eTEOGC0FEb_MkxDCA-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 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: pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com, mst@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" memory_region_allocate_system_memory() API is going away, so replace it with memdev allocated MemoryRegion. The later is initialized by generic code, so board only needs to opt in to memdev scheme by providing MachineClass::default_ram_id and using MachineState::ram instead of manually initializing RAM memory region. Signed-off-by: Igor Mammedov --- CC: mst@redhat.com CC: pbonzini@redhat.com CC: rth@twiddle.net CC: ehabkost@redhat.com --- hw/i386/pc.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 8054bc4..21b8290 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -935,7 +935,7 @@ void pc_memory_init(PCMachineState *pcms, MemoryRegion **ram_memory) { int linux_boot, i; - MemoryRegion *ram, *option_rom_mr; + MemoryRegion *option_rom_mr; MemoryRegion *ram_below_4g, *ram_above_4g; FWCfgState *fw_cfg; MachineState *machine =3D MACHINE(pcms); @@ -948,22 +948,20 @@ void pc_memory_init(PCMachineState *pcms, =20 linux_boot =3D (machine->kernel_filename !=3D NULL); =20 - /* Allocate RAM. We allocate it as a single memory region and use - * aliases to address portions of it, mostly for backwards compatibili= ty - * with older qemus that used qemu_ram_alloc(). + /* + * Split single memory region and use aliases to address portions of i= t, + * done for backwards compatibility with older qemus. */ - ram =3D g_malloc(sizeof(*ram)); - memory_region_allocate_system_memory(ram, NULL, "pc.ram", - machine->ram_size); - *ram_memory =3D ram; + *ram_memory =3D machine->ram; ram_below_4g =3D g_malloc(sizeof(*ram_below_4g)); - memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram, + memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", machine->= ram, 0, x86ms->below_4g_mem_size); memory_region_add_subregion(system_memory, 0, ram_below_4g); e820_add_entry(0, x86ms->below_4g_mem_size, E820_RAM); if (x86ms->above_4g_mem_size > 0) { ram_above_4g =3D g_malloc(sizeof(*ram_above_4g)); - memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram, + memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", + machine->ram, x86ms->below_4g_mem_size, x86ms->above_4g_mem_size); memory_region_add_subregion(system_memory, 0x100000000ULL, @@ -1950,6 +1948,7 @@ static void pc_machine_class_init(ObjectClass *oc, vo= id *data) mc->default_cpu_type =3D TARGET_DEFAULT_CPU_TYPE; mc->nvdimm_supported =3D true; mc->numa_mem_supported =3D true; + mc->default_ram_id =3D "pc.ram"; =20 object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", pc_machine_get_device_memory_region_size, NULL, --=20 2.7.4