From patchwork Fri Jul 2 17:12:03 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Williamson X-Patchwork-Id: 57723 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 4AB8B1007D2 for ; Sat, 3 Jul 2010 04:09:38 +1000 (EST) Received: from localhost ([127.0.0.1]:60983 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OUkFV-0006P3-Ah for incoming@patchwork.ozlabs.org; Fri, 02 Jul 2010 13:42:01 -0400 Received: from [140.186.70.92] (port=42694 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OUjmZ-0002xj-Mf for qemu-devel@nongnu.org; Fri, 02 Jul 2010 13:12:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OUjmY-0007Ef-7Y for qemu-devel@nongnu.org; Fri, 02 Jul 2010 13:12:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:27047) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OUjmY-0007EX-0r for qemu-devel@nongnu.org; Fri, 02 Jul 2010 13:12:06 -0400 Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o62HC4E2032739 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 2 Jul 2010 13:12:04 -0400 Received: from localhost.localdomain (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx04.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o62HC30Y032607; Fri, 2 Jul 2010 13:12:03 -0400 From: Alex Williamson To: qemu-devel@nongnu.org Date: Fri, 02 Jul 2010 11:12:03 -0600 Message-ID: <20100702171203.30243.84142.stgit@localhost.localdomain> In-Reply-To: <20100702171054.30243.19599.stgit@localhost.localdomain> References: <20100702171054.30243.19599.stgit@localhost.localdomain> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.67 on 10.5.11.17 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. Cc: alex.williamson@redhat.com Subject: [Qemu-devel] [PATCH v3 02/16] pc: Allocate all ram in a single qemu_ram_alloc() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This will benefit us when we migrate based on ramblock name since we won't be bouncing between separate blocks. Signed-off-by: Alex Williamson --- hw/pc.c | 22 +++++++++------------- 1 files changed, 9 insertions(+), 13 deletions(-) diff --git a/hw/pc.c b/hw/pc.c index 25ebafa..de60686 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -877,27 +877,23 @@ void pc_memory_init(ram_addr_t ram_size, *above_4g_mem_size_p = above_4g_mem_size; *below_4g_mem_size_p = below_4g_mem_size; +#if TARGET_PHYS_ADDR_BITS == 32 + if (above_4g_mem_size > 0) { + hw_error("To much RAM for 32-bit physical address"); + } +#endif linux_boot = (kernel_filename != NULL); /* allocate RAM */ - ram_addr = qemu_ram_alloc(below_4g_mem_size); + ram_addr = qemu_ram_alloc(below_4g_mem_size + above_4g_mem_size); cpu_register_physical_memory(0, 0xa0000, ram_addr); cpu_register_physical_memory(0x100000, below_4g_mem_size - 0x100000, ram_addr + 0x100000); - - /* above 4giga memory allocation */ - if (above_4g_mem_size > 0) { -#if TARGET_PHYS_ADDR_BITS == 32 - hw_error("To much RAM for 32-bit physical address"); -#else - ram_addr = qemu_ram_alloc(above_4g_mem_size); - cpu_register_physical_memory(0x100000000ULL, - above_4g_mem_size, - ram_addr); +#if TARGET_PHYS_ADDR_BITS > 32 + cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size, + ram_addr + below_4g_mem_size); #endif - } - /* BIOS load */ if (bios_name == NULL)