Merge pull request #1224 from masahir0y/gzip

Support GZIP-compressed images for faster loading and verification

3 files changed, 51 insertions, 1 deletions

diff --git a/include/common/image_decompress.h b/include/common/image_decompress.h
new file mode 100644
index 00000000..aed8df30
--- /dev/null
+++ b/include/common/image_decompress.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __IMAGE_DECOMPRESS_H__
+#define __IMAGE_DECOMPRESS_H__
+
+#include <stddef.h>
+#include <stdint.h>
+
+struct image_info;
+
+typedef int (decompressor_t)(uintptr_t *in_buf, size_t in_len,
+			     uintptr_t *out_buf, size_t out_len,
+			     uintptr_t work_buf, size_t work_len);
+
+void image_decompress_init(uintptr_t buf_base, uint32_t buf_size,
+			   decompressor_t *decompressor);
+void image_decompress_prepare(struct image_info *info);
+int image_decompress(struct image_info *info);
+
+#endif /* __IMAGE_DECOMPRESS_H___ */
diff --git a/include/lib/zlib/tf_gunzip.h b/include/lib/zlib/tf_gunzip.h
new file mode 100644
index 00000000..46d20eb8
--- /dev/null
+++ b/include/lib/zlib/tf_gunzip.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __TF_GUNZIP_H__
+#define __TF_GUNZIP_H__
+
+#include <stddef.h>
+#include <stdint.h>
+
+int gunzip(uintptr_t *in_buf, size_t in_len, uintptr_t *out_buf,
+	   size_t out_len, uintptr_t work_buf, size_t work_len);
+
+#endif /* __TF_GUNZIP_H___ */
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index 09601058..e2f1cfdc 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -155,6 +155,15 @@ struct image_desc *bl1_plat_get_image_desc(unsigned int image_id);
  */
 __dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved);
 
+#if LOAD_IMAGE_V2
+/*
+ * This function can be used by the platforms to update/use image
+ * information for BL2.
+ */
+int bl1_plat_handle_pre_image_load(void);
+int bl1_plat_handle_post_image_load(void);
+
+#endif /* LOAD_IMAGE_V2 */
 
 /*******************************************************************************
  * Mandatory BL2 functions
@@ -169,6 +178,7 @@ struct meminfo *bl2_plat_sec_mem_layout(void);
  * This function can be used by the platforms to update/use image
  * information for given `image_id`.
  */
+int bl2_plat_handle_pre_image_load(unsigned int image_id);
 int bl2_plat_handle_post_image_load(unsigned int image_id);
 
 #else /* LOAD_IMAGE_V2 */