svn commit: r253588 - head/sys/powerpc/ofw

[Justin Hibbits]

Author: jhibbits
Date: Wed Jul 24 02:01:01 2013
New Revision: 253588
URL: http://svnweb.freebsd.org/changeset/base/253588

Log:
  Increase the size of the OFW bounce buffer to 4 pages.  With this I can now run
  'ofwdump -ap' on my quad G5.
  
  MFC after:	9.2 branch

Modified:
  head/sys/powerpc/ofw/ofw_real.c

Modified: head/sys/powerpc/ofw/ofw_real.c
==============================================================================
--- head/sys/powerpc/ofw/ofw_real.c	Wed Jul 24 01:25:56 2013	(r253587)
+++ head/sys/powerpc/ofw/ofw_real.c	Wed Jul 24 02:01:01 2013	(r253588)
@@ -210,12 +210,12 @@ ofw_real_bounce_alloc(void *junk)
 
 	mtx_lock(&of_bounce_mtx);
 
-	of_bounce_virt = contigmalloc(PAGE_SIZE, M_OFWREAL, 0, 0,
+	of_bounce_virt = contigmalloc(4 * PAGE_SIZE, M_OFWREAL, 0, 0,
 	    ulmin(platform_real_maxaddr(), BUS_SPACE_MAXADDR_32BIT), PAGE_SIZE,
-	    PAGE_SIZE);
+	    4 * PAGE_SIZE);
 
 	of_bounce_phys = vtophys(of_bounce_virt);
-	of_bounce_size = PAGE_SIZE;
+	of_bounce_size = 4 * PAGE_SIZE;
 
 	/*
 	 * For virtual-mode OF, direct map this physical address so that