local: Implement local_dump_image

src/local.c

@@ -25,6 +25,7 @@
 #endif
 
 #include "local.h"
+#include "global.h"
 #include "device.h"
 #include "image.h"
 
@@ -115,11 +116,74 @@ int local_flash_image(struct image * image) {
 
 }
 
+static int local_nanddump(const char * file, int mtd, int offset) {
+
+	char * command;
+	size_t size;
+	int ret;
+
+	size = snprintf(NULL, 0, "nanddump -s %d -f %s /dev/mtd%dro", offset, file, mtd);
+
+	command = malloc(size);
+	if ( ! command )
+		return 1;
+
+	snprintf(command, size, "nanddump -s %d -f %s /dev/mtd%dro", offset, file, mtd);
+
+	ret = system(command);
+
+	free(command);
+
+	return ret;
+
+}
+
+struct nanddump_args {
+	int valid;
+	int mtd;
+	int offset;
+};
+
+static struct nanddump_args nanddump_n900[] = {
+	[IMAGE_XLOADER]   = { 1, 0, 0x00000000 },
+	[IMAGE_SECONDARY] = { 1, 0, 0x00004200 },
+	[IMAGE_KERNEL]    = { 1, 3, 0x00000800 },
+	[IMAGE_INITFS]    = { 1, 4, 0x00000800 },
+	[IMAGE_ROOTFS]    = { 1, 5, 0x00000000 },
+};
+
+/* FIXME: Is this table correct? */
+static struct nanddump_args nanddump[] = {
+	[IMAGE_XLOADER]   = { 1, 0, 0x00000200 },
+	[IMAGE_SECONDARY] = { 1, 0, 0x00004000 },
+	[IMAGE_KERNEL]    = { 1, 2, 0x00000800 },
+	[IMAGE_INITFS]    = { 1, 3, 0x00000800 },
+	[IMAGE_ROOTFS]    = { 1, 4, 0x00000000 },
+};
+
 int local_dump_image(enum image_type image, const char * file) {
 
-	/* kernel on n900:
-	system("nanddump -s 0x000800 -f /var/tmp/zImage /dev/mtd3");
-	*/
+	if ( device == DEVICE_RX_51 ) {
+
+		if ( image < sizeof(nanddump_n900)/sizeof(nanddump_n900[0]) || ! nanddump_n900[image].valid ) {
+			ERROR("Unsuported image type: %s", image_type_to_string(image));
+			return -1;
+		}
+
+		return local_nanddump(file, nanddump_n900[image].mtd, nanddump_n900[image].offset);
+
+	} else {
+
+		if ( image < sizeof(nanddump)/sizeof(nanddump[0]) || ! nanddump[image].valid ) {
+			ERROR("Unsuported image type: %s", image_type_to_string(image));
+			return -1;
+		}
+
+		return local_nanddump(file, nanddump[image].mtd, nanddump[image].offset);
+
+	}
+
+	return -1;
 
 }