[XenPPC] [rfc] [patch] 64-bitize guest handles

[Hollis Blanchard <hollisb@xxxxxxxxxx>]

Jimi, does this work for you?

diff -r d6a49aaee312 xen/include/asm-ppc/guest_access.h
--- a/xen/include/asm-ppc/guest_access.h        Mon Jun 26 16:08:27 2006 -0500
+++ b/xen/include/asm-ppc/guest_access.h        Tue Jun 27 15:57:57 2006 -0500
@@ -39,7 +39,7 @@ extern void xencomm_add_offset(void *han
 /* Cast a guest handle to the specified type of handle. */
 #define guest_handle_cast(hnd, type) ({         \
     type *_x = (hnd).p;                         \
-    (XEN_GUEST_HANDLE(type)) { _x };                \
+    (XEN_GUEST_HANDLE(type)) _x;                \
 })

 /* Since we run in real mode, we can safely access all addresses. That also
diff -r d6a49aaee312 xen/include/public/arch-ppc64.h
--- a/xen/include/public/arch-ppc64.h   Mon Jun 26 16:08:27 2006 -0500
+++ b/xen/include/public/arch-ppc64.h   Tue Jun 27 15:57:57 2006 -0500
@@ -27,11 +27,12 @@
 #endif

 #define __DEFINE_XEN_GUEST_HANDLE(name, type) \
-    typedef struct { type *p; } __guest_handle_ ## name
+    typedef union { unsigned long long l; type *p; } __guest_handle_ ## name

 #define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name)
 #define XEN_GUEST_HANDLE(name)        __guest_handle_ ## name
-#define set_xen_guest_handle(hnd, val)  do { (hnd).p = val; } while (0)
+#define set_xen_guest_handle(hnd, val) \
+    do { (hnd).l = (unsigned long)(void *)val; } while (0)
 #ifdef __XEN_TOOLS__
 #define get_xen_guest_handle(val, hnd)  do { val = (hnd).p; } while (0)
 #endif


-- 
Hollis Blanchard
IBM Linux Technology Center


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