From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:41399) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RvfCz-0000Ux-DR for qemu-devel@nongnu.org; Thu, 09 Feb 2012 20:23:30 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RvfCy-0000kR-5y for qemu-devel@nongnu.org; Thu, 09 Feb 2012 20:23:29 -0500 Received: from relay1.mentorg.com ([192.94.38.131]:46021) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RvfCy-0000kI-0N for qemu-devel@nongnu.org; Thu, 09 Feb 2012 20:23:28 -0500 From: Paul Brook Date: Fri, 10 Feb 2012 01:23:22 +0000 References: <1327505265-5976-1-git-send-email-peter.maydell@linaro.org> <1327505265-5976-6-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1327505265-5976-6-git-send-email-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201202100123.22632.paul@codesourcery.com> Subject: Re: [Qemu-devel] [PATCH 5/5] Add Cortex-A15 CPU definition List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Blue Swirl , Peter Maydell , Aurelien Jarno > Add a definition of a Cortex-A15 CPU. Note that for the moment we do > not implement any of: > * Large Physical Address Extensions (LPAE) > * Virtualization Extensions > * Generic Timer Are there feature bits that the guest can check before blindly using them? I assume for at least LPAE and the timer there's a way for the OS to test for these features without just poking at them and seing if they explode. If so it's worth adding coments describing where these diverge from a real A15. Paul