use xen_ulong_t in start_info

diff -r 27e6c4507e4d -r 42213c6e1928 xen/include/public/xen.h
@@ -456,19 +456,19 @@ struct start_info {
 struct start_info {
     /* THE FOLLOWING ARE FILLED IN BOTH ON INITIAL BOOT AND ON RESUME.    */
     char magic[32];             /* "xen-<version>-<platform>".            */
-    unsigned long nr_pages;     /* Total pages allocated to this domain.  */
-    unsigned long shared_info;  /* MACHINE address of shared info struct. */
+    xen_ulong_t nr_pages;       /* Total pages allocated to this domain.  */
+    xen_ulong_t shared_info;    /* MACHINE address of shared info struct. */
     uint32_t flags;             /* SIF_xxx flags.                         */
     xen_pfn_t store_mfn;        /* MACHINE page number of shared page.    */
     uint32_t store_evtchn;      /* Event channel for store communication. */
     xen_pfn_t console_mfn;      /* MACHINE page number of console page.   */
     uint32_t console_evtchn;    /* Event channel for console messages.    */
     /* THE FOLLOWING ARE ONLY FILLED IN ON INITIAL BOOT (NOT RESUME).     */
-    unsigned long pt_base;      /* VIRTUAL address of page directory.     */
-    unsigned long nr_pt_frames; /* Number of bootstrap p.t. frames.       */
-    unsigned long mfn_list;     /* VIRTUAL address of page-frame list.    */
-    unsigned long mod_start;    /* VIRTUAL address of pre-loaded module.  */
-    unsigned long mod_len;      /* Size (bytes) of pre-loaded module.     */
+    xen_ulong_t pt_base;        /* VIRTUAL address of page directory.     */
+    xen_ulong_t nr_pt_frames;   /* Number of bootstrap p.t. frames.       */
+    xen_ulong_t mfn_list;       /* VIRTUAL address of page-frame list.    */
+    xen_ulong_t mod_start;      /* VIRTUAL address of pre-loaded module.  */
+    xen_ulong_t mod_len;        /* Size (bytes) of pre-loaded module.     */
     int8_t cmd_line[MAX_GUEST_CMDLINE];
 };
 typedef struct start_info start_info_t;