From owner-freebsd-arm@FreeBSD.ORG Wed Jan 21 23:32:49 2015 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 8BE34757 for ; Wed, 21 Jan 2015 23:32:49 +0000 (UTC) Received: from mail-pd0-f179.google.com (mail-pd0-f179.google.com [209.85.192.179]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5AA6CF75 for ; Wed, 21 Jan 2015 23:32:49 +0000 (UTC) Received: by mail-pd0-f179.google.com with SMTP id v10so34460638pde.10 for ; Wed, 21 Jan 2015 15:32:48 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=mSx4p/lmIWxiia02UvgMEfwiAtSdvsVeSg0II+74RAc=; b=CrttjaBYY9gC0vkoR4JvPT8oJ0uR+DuZJtFlYXdKyv2LeMtZayPAUJRxUNVGhNyXDx FHHydWG8U6w65bVfDk/q/eucNzh/muOmFAV/HTcx3+TJAGYcvVB5XxFGbtZ1isCqacfE BEunR532XHS67yiR+gs2p8cXni+j8TfpkYDz+dPZirWk+/RQgEpDuX2EUx8exZeKVAY+ SbP4ecJzSe7qBFAt07wbh5oR+N5UoxceMvw40C1r+Tfcjhxr7BD1y2VnAl7brsMoDCaK xIMMmqkba2KuKnfLTFkKc1yblmoeYYJYdVIw8rknG2TebD4b2+tU4rqlIMTGecBRC5sI CdGg== X-Gm-Message-State: ALoCoQlIYEJnlhzUrRmEg9jihz/ZgoB59iaa3o+OQH355ATFT+xXoL/xRmEMhurrG5FW47XbRFyo X-Received: by 10.70.103.37 with SMTP id ft5mr10183510pdb.159.1421883168771; Wed, 21 Jan 2015 15:32:48 -0800 (PST) Received: from bsdimp.corp.netflix.com ([69.53.237.72]) by mx.google.com with ESMTPSA id im3sm6940892pbc.73.2015.01.21.15.32.47 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 21 Jan 2015 15:32:48 -0800 (PST) Sender: Warner Losh Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 8.1 \(1993\)) Subject: Re: interrupt framework From: Warner Losh In-Reply-To: <20150121180916.110fc8ad@bender.lan> Date: Wed, 21 Jan 2015 16:32:47 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: <74044D4B-A841-48E0-88CD-73B659454B86@bsdimp.com> References: <54BA9888.1020303@freebsd.org> <54BD3F86.3010901@freebsd.org> <54BD9794.4080204@freebsd.org> <54BE7E6D.6060800@freebsd.org> <20150121180916.110fc8ad@bender.lan> To: Andrew Turner X-Mailer: Apple Mail (2.1993) Cc: freebsd-arm@freebsd.org X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jan 2015 23:32:49 -0000 > On Jan 21, 2015, at 11:09 AM, Andrew Turner = wrote: >=20 > On Wed, 21 Jan 2015 10:50:14 -0700 > Warner Losh wrote: >> =E2=80=9Cusually=E2=80=9D? I thought it was always 100%: We=E2=80=99re = wither using FDT or >> we=E2=80=99re not. Some platforms allow compiling for both (mostly as = a >> transition aid to FDT), but I=E2=80=99m not aware of any that would = be a mix. >=20 > There may be a case on arm64 to use both fdt and ACPI. In this case it > would be used as a transition to add support for ACPI as some hardware > may require it. Speaking of ACPI, will/can arm64 use UEFI? The two seem to be joined at = the hip these days=E2=80=A6 Warner