implement the Android sparse image format

update to provide usable implementation to U-Boot

Signed-off-by: Steve Rae <srae@broadcom.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/include/aboot.h b/include/aboot.h
new file mode 100644
index 0000000..30e4d36
--- /dev/null
+++ b/include/aboot.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <part.h>
+#include <sparse_format.h>
+
+#define ROUNDUP(x, y)	(((x) + ((y) - 1)) & ~((y) - 1))
+
+void fastboot_fail(const char *s);
+void fastboot_okay(const char *s);
+
+static inline int is_sparse_image(void *buf)
+{
+	sparse_header_t *s_header = (sparse_header_t *)buf;
+
+	if ((le32_to_cpu(s_header->magic) == SPARSE_HEADER_MAGIC) &&
+	    (le16_to_cpu(s_header->major_version) == 1))
+		return 1;
+
+	return 0;
+}
+
+void write_sparse_image(block_dev_desc_t *dev_desc,
+		disk_partition_t *info, const char *part_name,
+		void *data, unsigned sz);