Recovery: Add support in lk to read/write recovery messages.

Add support in bootloader to intract with recovery code.
diff --git a/app/aboot/recovery.h b/app/aboot/recovery.h
new file mode 100755
index 0000000..f76358f
--- /dev/null
+++ b/app/aboot/recovery.h
@@ -0,0 +1,77 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *   * Neither the name of Code Aurora Forum, Inc. nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _BOOTLOADER_RECOVERY_H
+#define _BOOTLOADER_RECOVERY_H
+
+#define UPDATE_MAGIC       "MSM-RADIO-UPDATE"
+#define UPDATE_MAGIC_SIZE  16
+#define UPDATE_VERSION     0x00010000
+
+
+/* Recovery Message */
+struct recovery_message {
+	char command[32];
+	char status[32];
+	char recovery[1024];
+};
+
+
+struct update_header {
+	unsigned char MAGIC[UPDATE_MAGIC_SIZE];
+
+	unsigned version;
+	unsigned size;
+
+	unsigned image_offset;
+	unsigned image_length;
+
+	unsigned bitmap_width;
+	unsigned bitmap_height;
+	unsigned bitmap_bpp;
+
+	unsigned busy_bitmap_offset;
+	unsigned busy_bitmap_length;
+
+	unsigned fail_bitmap_offset;
+	unsigned fail_bitmap_length;
+};
+
+
+
+int get_recovery_message(struct recovery_message *out);
+int set_recovery_message(const struct recovery_message *in);
+
+int read_update_header_for_bootloader(struct update_header *header);
+int update_firmware_image (struct update_header *header, char *name);
+
+int recovery_init (void);
+
+extern unsigned boot_into_recovery;
+
+#endif