[PATCH][XEN][POWERPC] add alloc_real_mode_area to python xc object

[Hollis Blanchard <hollisb@us.ibm.com>]

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Export PowerPC-specific alloc_real_mode_area() via the 'xc' Python
object. As suggested, the function is prefixed with "arch_" to easily
distinguish it from general xc functions.

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>

diff -r 9d83185b4c37 tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h	Fri Dec 01 19:11:02 2006 -0500
+++ b/tools/libxc/xenctrl.h	Thu Dec 07 17:45:36 2006 -0600
@@ -439,6 +439,10 @@ int xc_domain_memory_populate_physmap(in
                                       unsigned int address_bits,
                                       xen_pfn_t *extent_start);
 
+int xc_alloc_real_mode_area(int xc_handle,
+                            uint32_t domid,
+                            unsigned int log);
+
 int xc_domain_ioport_permission(int xc_handle,
                                 uint32_t domid,
                                 uint32_t first_port,
diff -r 9d83185b4c37 tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c	Fri Dec 01 19:11:02 2006 -0500
+++ b/tools/python/xen/lowlevel/xc/xc.c	Thu Dec 07 17:45:38 2006 -0600
@@ -809,6 +809,28 @@ static PyObject *pyxc_domain_memory_incr
     return zero;
 }
 
+#ifdef __powerpc__
+static PyObject *pyxc_alloc_real_mode_area(XcObject *self,
+                                           PyObject *args,
+                                           PyObject *kwds)
+{
+    uint32_t dom;
+    unsigned int log;
+
+    static char *kwd_list[] = { "dom", "log", NULL };
+
+    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "ii", kwd_list, 
+                                      &dom, &log) )
+        return NULL;
+
+    if ( xc_alloc_real_mode_area(self->xc_handle, dom, log) )
+        return PyErr_SetFromErrno(xc_error);
+
+    Py_INCREF(zero);
+    return zero;
+}
+#endif
+
 static PyObject *pyxc_domain_ioport_permission(XcObject *self,
                                                PyObject *args,
                                                PyObject *kwds)
@@ -1184,6 +1206,16 @@ static PyMethodDef pyxc_methods[] = {
       " dom [int]: Identifier of domain.\n"
       " mem_kb [long]: .\n"
       "Returns: [int] 0 on success; -1 on error.\n" },
+
+#ifdef __powerpc__
+    { "arch_alloc_real_mode_area", 
+      (PyCFunction)pyxc_alloc_real_mode_area, 
+      METH_VARARGS | METH_KEYWORDS, "\n"
+      "Allocate a domain's real mode area.\n"
+      " dom [int]: Identifier of domain.\n"
+      " log [int]: Specifies the area's size.\n"
+      "Returns: [int] 0 on success; -1 on error.\n" },
+#endif
 
     { "domain_ioport_permission",
       (PyCFunction)pyxc_domain_ioport_permission,


-- 
Hollis Blanchard
IBM Linux Technology Center


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