From owner-svn-src-stable@FreeBSD.ORG  Thu Mar  3 20:14:00 2011
Return-Path: <owner-svn-src-stable@FreeBSD.ORG>
Delivered-To: svn-src-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id CD62A10656D8;
	Thu,  3 Mar 2011 20:14:00 +0000 (UTC) (envelope-from jhb@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id A6F818FC12;
	Thu,  3 Mar 2011 20:14:00 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id p23KE0ui070339;
	Thu, 3 Mar 2011 20:14:00 GMT (envelope-from jhb@svn.freebsd.org)
Received: (from jhb@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id p23KE0P7070337;
	Thu, 3 Mar 2011 20:14:00 GMT (envelope-from jhb@svn.freebsd.org)
Message-Id: <201103032014.p23KE0P7070337@svn.freebsd.org>
From: John Baldwin <jhb@FreeBSD.org>
Date: Thu, 3 Mar 2011 20:14:00 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org
X-SVN-Group: stable-7
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r219251 - stable/7/sys/dev/pci
X-BeenThere: svn-src-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for all the -stable branches of the src tree
	<svn-src-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>, 
	<mailto:svn-src-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable>
List-Post: <mailto:svn-src-stable@freebsd.org>
List-Help: <mailto:svn-src-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>,
	<mailto:svn-src-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 03 Mar 2011 20:14:00 -0000

Author: jhb
Date: Thu Mar  3 20:14:00 2011
New Revision: 219251
URL: http://svn.freebsd.org/changeset/base/219251

Log:
  MFC 218968:
  Properly handle BARs bigger than 4G.  The '1' was treated as an int
  causing the size calculation to be truncated to the size of an int
  (32-bits on all current architectures).

Modified:
  stable/7/sys/dev/pci/pci.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/dev/pci/pci.c
==============================================================================
--- stable/7/sys/dev/pci/pci.c	Thu Mar  3 20:13:44 2011	(r219250)
+++ stable/7/sys/dev/pci/pci.c	Thu Mar  3 20:14:00 2011	(r219251)
@@ -2469,13 +2469,13 @@ pci_add_map(device_t bus, device_t dev, 
 			return (barlen);
 	}
 
-	count = 1 << mapsize;
+	count = (pci_addr_t)1 << mapsize;
 	if (basezero || base == pci_mapbase(testval)) {
 		start = 0;	/* Let the parent decide. */
 		end = ~0ULL;
 	} else {
 		start = base;
-		end = base + (1 << mapsize) - 1;
+		end = base + count - 1;
 	}
 	resource_list_add(rl, type, reg, start, end, count);
 
@@ -3524,7 +3524,7 @@ pci_alloc_map(device_t dev, device_t chi
 	 * another driver, which won't work.
 	 */
 	mapsize = pci_mapsize(testval);
-	count = 1UL << mapsize;
+	count = (pci_addr_t)1 << mapsize;
 	if (RF_ALIGNMENT(flags) < mapsize)
 		flags = (flags & ~RF_ALIGNMENT_MASK) | RF_ALIGNMENT_LOG2(mapsize);
 	if (PCI_BAR_MEM(testval) && (testval & PCIM_BAR_MEM_PREFETCH))