From owner-svn-src-head@freebsd.org Sat Jan 13 17:55:23 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EEC0FE761E1; Sat, 13 Jan 2018 17:55:23 +0000 (UTC) (envelope-from cem@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CA4DD6F6B8; Sat, 13 Jan 2018 17:55:23 +0000 (UTC) (envelope-from cem@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id F24E216460; Sat, 13 Jan 2018 17:55:22 +0000 (UTC) (envelope-from cem@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w0DHtMaw068068; Sat, 13 Jan 2018 17:55:22 GMT (envelope-from cem@FreeBSD.org) Received: (from cem@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w0DHtM2c068067; Sat, 13 Jan 2018 17:55:22 GMT (envelope-from cem@FreeBSD.org) Message-Id: <201801131755.w0DHtM2c068067@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: cem set sender to cem@FreeBSD.org using -f From: Conrad Meyer Date: Sat, 13 Jan 2018 17:55:22 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r327932 - head/sys/x86/include X-SVN-Group: head X-SVN-Commit-Author: cem X-SVN-Commit-Paths: head/sys/x86/include X-SVN-Commit-Revision: 327932 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Jan 2018 17:55:24 -0000 Author: cem Date: Sat Jan 13 17:55:22 2018 New Revision: 327932 URL: https://svnweb.freebsd.org/changeset/base/327932 Log: amd64: Add a 48-bit MAXADDR constant Some devices (e.g., ccp(4) -- to be committed) can only access the low 48 bits of physical memory. Reviewed by: markj Sponsored by: Dell EMC Isilon Modified: head/sys/x86/include/bus.h Modified: head/sys/x86/include/bus.h ============================================================================== --- head/sys/x86/include/bus.h Sat Jan 13 17:52:55 2018 (r327931) +++ head/sys/x86/include/bus.h Sat Jan 13 17:55:22 2018 (r327932) @@ -118,6 +118,7 @@ #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF #if defined(__amd64__) || defined(PAE) +#define BUS_SPACE_MAXADDR_48BIT 0xFFFFFFFFFFFFULL #define BUS_SPACE_MAXADDR 0xFFFFFFFFFFFFFFFFULL #else #define BUS_SPACE_MAXADDR 0xFFFFFFFF