loader: Add AddressSpace loading support to targphys

Add a new function load_image_targphys_as() that allows the caller
to specify an AddressSpace to use when loading a targphys. The
original load_image_targphys() function doesn't have any change in
functionality.
Signed-off-by: NAlistair Francis <alistair.francis@xilinx.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Message-id: 87de45de7acf02cbe6bae9d6c4d6fb8f3aba4f61.1474331683.git.alistair.francis@xilinx.com
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/core/loader.c

@@ -133,9 +133,15 @@ ssize_t read_targphys(const char *name,
     return did;
 }
 
-/* return the size or -1 if error */
 int load_image_targphys(const char *filename,
                         hwaddr addr, uint64_t max_sz)
+{
+    return load_image_targphys_as(filename, addr, max_sz, NULL);
+}
+
+/* return the size or -1 if error */
+int load_image_targphys_as(const char *filename,
+                           hwaddr addr, uint64_t max_sz, AddressSpace *as)
 {
     int size;
 
@@ -144,7 +150,7 @@ int load_image_targphys(const char *filename,
         return -1;
     }
     if (size > 0) {
-        rom_add_file_fixed(filename, addr, -1);
+        rom_add_file_fixed_as(filename, addr, -1, as);
     }
     return size;
 }

include/hw/loader.h

@@ -14,8 +14,28 @@
 int get_image_size(const char *filename);
 int load_image(const char *filename, uint8_t *addr); /* deprecated */
 ssize_t load_image_size(const char *filename, void *addr, size_t size);
+
+/**load_image_targphys_as:
+ * @filename: Path to the image file
+ * @addr: Address to load the image to
+ * @max_sz: The maximum size of the image to load
+ * @as: The AddressSpace to load the ELF to. The value of address_space_memory
+ *      is used if nothing is supplied here.
+ *
+ * Load a fixed image into memory.
+ *
+ * Returns the size of the loaded image on success, -1 otherwise.
+ */
+int load_image_targphys_as(const char *filename,
+                           hwaddr addr, uint64_t max_sz, AddressSpace *as);
+
+/** load_image_targphys:
+ * Same as load_image_targphys_as(), but doesn't allow the caller to specify
+ * an AddressSpace.
+ */
 int load_image_targphys(const char *filename, hwaddr,
                         uint64_t max_sz);
+
 /**
  * load_image_mr: load an image into a memory region
  * @filename: Path to the image file
@@ -179,6 +199,8 @@ void hmp_info_roms(Monitor *mon, const QDict *qdict);
     rom_add_file(_f, NULL, 0, _i, false, _mr, NULL)
 #define rom_add_file_as(_f, _as, _i)            \
     rom_add_file(_f, NULL, 0, _i, false, NULL, _as)
+#define rom_add_file_fixed_as(_f, _a, _i, _as)          \
+    rom_add_file(_f, NULL, _a, _i, false, NULL, _as)
 #define rom_add_blob_fixed_as(_f, _b, _l, _a, _as)      \
     rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, _as)