From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:48515) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rcdyi-0002wP-B2 for qemu-devel@nongnu.org; Mon, 19 Dec 2011 09:14:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rcdyf-0001tG-RU for qemu-devel@nongnu.org; Mon, 19 Dec 2011 09:14:08 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58772) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rcdyf-0001sn-Fg for qemu-devel@nongnu.org; Mon, 19 Dec 2011 09:14:05 -0500 From: Avi Kivity Date: Mon, 19 Dec 2011 16:13:26 +0200 Message-Id: <1324304024-11220-6-git-send-email-avi@redhat.com> In-Reply-To: <1324304024-11220-1-git-send-email-avi@redhat.com> References: <1324304024-11220-1-git-send-email-avi@redhat.com> Subject: [Qemu-devel] [PATCH 05/23] memory: add memory_region_is_rom() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefano Stabellini , qemu-devel@nongnu.org, "Michael S. Tsirkin" Cc: xen-devel@lists.xensource.com, kvm@vger.kernel.org Signed-off-by: Avi Kivity --- memory.c | 5 +++++ memory.h | 9 +++++++++ 2 files changed, 14 insertions(+), 0 deletions(-) diff --git a/memory.c b/memory.c index 6fd31d4..c57b7de 100644 --- a/memory.c +++ b/memory.c @@ -1073,6 +1073,11 @@ bool memory_region_is_ram(MemoryRegion *mr) return mr->ram; } +bool memory_region_is_rom(MemoryRegion *mr) +{ + return mr->ram && mr->readonly; +} + void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset) { mr->offset = offset; diff --git a/memory.h b/memory.h index 13f88c0..42546c4 100644 --- a/memory.h +++ b/memory.h @@ -294,6 +294,15 @@ uint64_t memory_region_size(MemoryRegion *mr); bool memory_region_is_ram(MemoryRegion *mr); /** + * memory_region_is_rom: check whether a memory region is ROM + * + * Returns %true is a memory region is read-only memory. + * + * @mr: the memory region being queried + */ +bool memory_region_is_rom(MemoryRegion *mr); + +/** * memory_region_get_ram_ptr: Get a pointer into a RAM memory region. * * Returns a host pointer to a RAM memory region (created with -- 1.7.7.1