use an uint64_t for the max_sz parameter in load_image_targphys

Allow load_image_targphys to load files on systems with more than 2G of
emulated memory by changing the max_sz parameter from an int to an
uint64_t.
Reviewed-by: NAndreas F=E4rber <afaerber@suse.de>
Acked-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NMark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/loader.c

@@ -103,7 +103,7 @@ ssize_t read_targphys(const char *name,
 
 /* return the size or -1 if error */
 int load_image_targphys(const char *filename,
-			target_phys_addr_t addr, int max_sz)
+                        target_phys_addr_t addr, uint64_t max_sz)
 {
     int size;
 

hw/loader.h

@@ -4,7 +4,8 @@
 /* loader.c */
 int get_image_size(const char *filename);
 int load_image(const char *filename, uint8_t *addr); /* deprecated */
-int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
+int load_image_targphys(const char *filename, target_phys_addr_t,
+                        uint64_t max_sz);
 int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
              void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
              uint64_t *highaddr, int big_endian, int elf_machine,