From patchwork Wed Jul 20 16:49:24 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 105899 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 58B38B6F76 for ; Thu, 21 Jul 2011 14:44:16 +1000 (EST) Received: from localhost ([::1]:37510 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qjdrh-0004gr-FS for incoming@patchwork.ozlabs.org; Wed, 20 Jul 2011 16:59:33 -0400 Received: from eggs.gnu.org ([140.186.70.92]:60599) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjaAA-00081j-9E for qemu-devel@nongnu.org; Wed, 20 Jul 2011 13:02:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QjZyx-0004y0-1r for qemu-devel@nongnu.org; Wed, 20 Jul 2011 12:50:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43243) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QjZyt-0004uM-FU for qemu-devel@nongnu.org; Wed, 20 Jul 2011 12:50:43 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p6KGogXL028816 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 20 Jul 2011 12:50:42 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p6KGoftH024530; Wed, 20 Jul 2011 12:50:41 -0400 Received: from s01.tlv.redhat.com (s01.tlv.redhat.com [10.35.255.8]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id 1332C250B40; Wed, 20 Jul 2011 19:50:39 +0300 (IDT) From: Avi Kivity To: qemu-devel@nongnu.org Date: Wed, 20 Jul 2011 19:49:24 +0300 Message-Id: <1311180636-17012-15-git-send-email-avi@redhat.com> In-Reply-To: <1311180636-17012-1-git-send-email-avi@redhat.com> References: <1311180636-17012-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: kvm@vger.kernel.org Subject: [Qemu-devel] [RFC v5 14/86] exec.c: initialize memory map X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Allocate the root memory region and initialize it. Signed-off-by: Avi Kivity --- exec.c | 19 +++++++++++++++++++ 1 files changed, 19 insertions(+), 0 deletions(-) diff --git a/exec.c b/exec.c index 8277900..2bbd14c 100644 --- a/exec.c +++ b/exec.c @@ -33,6 +33,8 @@ #include "kvm.h" #include "hw/xen.h" #include "qemu-timer.h" +#include "memory.h" +#include "exec-memory.h" #if defined(CONFIG_USER_ONLY) #include #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) @@ -109,6 +111,9 @@ int phys_ram_fd; static int in_migration; RAMList ram_list = { .blocks = QLIST_HEAD_INITIALIZER(ram_list) }; + +static MemoryRegion *system_memory; + #endif CPUState *first_cpu; @@ -197,6 +202,7 @@ typedef struct PhysPageDesc { static void *l1_phys_map[P_L1_SIZE]; static void io_mem_init(void); +static void memory_map_init(void); /* io memory support */ CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4]; @@ -571,6 +577,7 @@ void cpu_exec_init_all(unsigned long tb_size) code_gen_ptr = code_gen_buffer; page_init(); #if !defined(CONFIG_USER_ONLY) + memory_map_init(); io_mem_init(); #endif #if !defined(CONFIG_USER_ONLY) || !defined(CONFIG_USE_GUEST_BASE) @@ -3807,6 +3814,18 @@ static void io_mem_init(void) DEVICE_NATIVE_ENDIAN); } +static void memory_map_init(void) +{ + system_memory = qemu_malloc(sizeof(*system_memory)); + memory_region_init(system_memory, "system", UINT64_MAX); + set_system_memory_map(system_memory); +} + +MemoryRegion *get_system_memory(void) +{ + return system_memory; +} + #endif /* !defined(CONFIG_USER_ONLY) */ /* physical memory access (slow version, mainly for debug) */