import the U-Boot code and make it compile

1 files changed, 91 insertions, 0 deletions

diff --git a/ext4_common.h b/ext4_common.h
new file mode 100644
index 0000000..145b0da
--- /dev/null
+++ b/ext4_common.h
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2011 - 2012 Samsung Electronics
+ * EXT4 filesystem implementation in Uboot by
+ * Uma Shankar <uma.shankar@samsung.com>
+ * Manjunatha C Achar <a.manjunatha@samsung.com>
+ *
+ * ext4ls and ext4load :  based on ext2 ls load support in Uboot.
+ *
+ * (C) Copyright 2004
+ * esd gmbh <www.esd-electronics.com>
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
+ *
+ * based on code from grub2 fs/ext2.c and fs/fshelp.c by
+ * GRUB  --  GRand Unified Bootloader
+ * Copyright (C) 2003, 2004  Free Software Foundation, Inc.
+ *
+ * ext4write : Based on generic ext4 protocol.
+ */
+
+#ifndef __EXT4_COMMON__
+#define __EXT4_COMMON__
+#include <ext_common.h>
+#include <ext4fs.h>
+#include <malloc.h>
+#include <linux/errno.h>
+#if defined(CONFIG_EXT4_WRITE)
+#include "ext4_journal.h"
+#include "crc16.h"
+#endif
+
+#define YES		1
+#define NO		0
+#define RECOVER	1
+#define SCAN		0
+
+#define S_IFLNK		0120000		/* symbolic link */
+#define BLOCK_NO_ONE		1
+#define SUPERBLOCK_START	(2 * 512)
+#define SUPERBLOCK_SIZE	1024
+#define F_FILE			1
+
+#define ARCH_DMA_MINALIGN 64 /* should be ok for all architectures */
+
+static inline void *zalloc(size_t size)
+{
+	void *p = memalign(ARCH_DMA_MINALIGN, size);
+	memset(p, 0, size);
+	return p;
+}
+
+int ext4fs_read_inode(struct ext2_data *data, int ino,
+		      struct ext2_inode *inode);
+int ext4fs_read_file(struct ext2fs_node *node, loff_t pos, loff_t len,
+		     char *buf, loff_t *actread);
+int ext4fs_find_file(const char *path, struct ext2fs_node *rootnode,
+			struct ext2fs_node **foundnode, int expecttype);
+int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
+			struct ext2fs_node **fnode, int *ftype);
+
+#if defined(CONFIG_EXT4_WRITE)
+uint32_t ext4fs_div_roundup(uint32_t size, uint32_t n);
+uint16_t ext4fs_checksum_update(unsigned int i);
+int ext4fs_get_parent_inode_num(const char *dirname, char *dname, int flags);
+int ext4fs_update_parent_dentry(char *filename, int file_type);
+uint32_t ext4fs_get_new_blk_no(void);
+int ext4fs_get_new_inode_no(void);
+void ext4fs_reset_block_bmap(long int blockno, unsigned char *buffer,
+					int index);
+int ext4fs_set_block_bmap(long int blockno, unsigned char *buffer, int index);
+int ext4fs_set_inode_bmap(int inode_no, unsigned char *buffer, int index);
+void ext4fs_reset_inode_bmap(int inode_no, unsigned char *buffer, int index);
+int ext4fs_iget(int inode_no, struct ext2_inode *inode);
+void ext4fs_allocate_blocks(struct ext2_inode *file_inode,
+				unsigned int total_remaining_blocks,
+				unsigned int *total_no_of_block);
+void put_ext4(uint64_t off, const void *buf, uint32_t size);
+struct ext2_block_group *ext4fs_get_group_descriptor
+	(const struct ext_filesystem *fs, uint32_t bg_idx);
+uint64_t ext4fs_bg_get_block_id(const struct ext2_block_group *bg,
+	const struct ext_filesystem *fs);
+uint64_t ext4fs_bg_get_inode_id(const struct ext2_block_group *bg,
+	const struct ext_filesystem *fs);
+uint64_t ext4fs_bg_get_inode_table_id(const struct ext2_block_group *bg,
+	const struct ext_filesystem *fs);
+uint64_t ext4fs_sb_get_free_blocks(const struct ext2_sblock *sb);
+void ext4fs_sb_set_free_blocks(struct ext2_sblock *sb, uint64_t free_blocks);
+uint32_t ext4fs_bg_get_free_blocks(const struct ext2_block_group *bg,
+	const struct ext_filesystem *fs);
+#endif
+#endif