From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53223) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fRBCX-0007tw-C6 for qemu-devel@nongnu.org; Fri, 08 Jun 2018 02:48:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fRBCW-0004Hz-Ok for qemu-devel@nongnu.org; Fri, 08 Jun 2018 02:48:45 -0400 Received: from mail-qt0-x243.google.com ([2607:f8b0:400d:c0d::243]:35300) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fRBCW-0004Hn-J9 for qemu-devel@nongnu.org; Fri, 08 Jun 2018 02:48:44 -0400 Received: by mail-qt0-x243.google.com with SMTP id s9-v6so12474746qtg.2 for ; Thu, 07 Jun 2018 23:48:44 -0700 (PDT) References: <5185f351-8f1d-bc81-9806-a5e412cfebb0@twiddle.net> From: Davidson Francis Message-ID: <7c9a8e94-2f45-aeba-a12b-0c83c70c6f99@gmail.com> Date: Fri, 8 Jun 2018 03:48:40 -0300 MIME-Version: 1.0 In-Reply-To: <5185f351-8f1d-bc81-9806-a5e412cfebb0@twiddle.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [OpenRISC] OpenRISC: SMP support for more than 2 cores List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson , QEMU Development , Openrisc On 07-06-2018 12:56, Richard Henderson wrote: > On 06/07/2018 06:27 AM, Davidson Francis wrote: >> Dear all, >> >> Currently Qemu supports only 2 cores when SMP enabled for or1k architecure, so >> I would like to know if there is a quick way to increase the number of cores by >> changing a few lines of code or to accomplish this, will requires significant >> changes in the source code? > > Probably not significant changes. > The limit of 2 seems to be the way the interrupts are wired up. > That can probably be extended relatively easily. > > > r~ > Thank you Richard, I will investigate how the interrupts are wired. Kind regards, Davidson Francis.