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-rw-r--r--unmodified_drivers/linux-2.6/README10
-rwxr-xr-xunmodified_drivers/linux-2.6/mkbuildtree13
2 files changed, 19 insertions, 4 deletions
diff --git a/unmodified_drivers/linux-2.6/README b/unmodified_drivers/linux-2.6/README
index f5ad4dbabe..f46da3d3aa 100644
--- a/unmodified_drivers/linux-2.6/README
+++ b/unmodified_drivers/linux-2.6/README
@@ -1,6 +1,12 @@
-To build, run ./mkbuildtree and then
+To build:
-make -C /path/to/kernel/source M=$PWD modules
+1. ./mkbuildtree
+ NB. You can override paths to Xen sources and XenLinux sources via
+ the XEN and XL environment variable.
+
+2. make -C /path/to/kernel/source M=$PWD modules
+ NB. The kernel sources here are your native kernel build tree, not
+ the XenLinux sources referred to in step 1.
You get four modules, xen-platform-pci.ko, xenbus.ko, xen-vbd.ko, and
xen-vnif.ko. Load xen-platform-pci first, then xenbus, and then
diff --git a/unmodified_drivers/linux-2.6/mkbuildtree b/unmodified_drivers/linux-2.6/mkbuildtree
index c1abd8a83d..5c0fdb428f 100755
--- a/unmodified_drivers/linux-2.6/mkbuildtree
+++ b/unmodified_drivers/linux-2.6/mkbuildtree
@@ -10,8 +10,17 @@ fi
C=$PWD
-XEN=$C/../../xen
-XL=$C/../../../linux-2.6.18-xen.hg
+if [ -n "$XEN" -a -d "$XEN" ]; then
+ XEN=$(cd $XEN && pwd)
+else
+ XEN=$C/../../xen
+fi
+
+if [ -n "$XL" -a -d "$XL" ]; then
+ XL=$(cd $XL && pwd)
+else
+ XL=$C/../../linux-2.6.18-xen.hg
+fi
for d in $(find ${XL}/drivers/xen/ -maxdepth 1 -type d | sed -e 1d); do
if ! echo $d | egrep -q back; then