zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/boot/common/src/uboot/fs/jffs2/jffs2_private.h b/boot/common/src/uboot/fs/jffs2/jffs2_private.h
new file mode 100644
index 0000000..fdbb0a9
--- /dev/null
+++ b/boot/common/src/uboot/fs/jffs2/jffs2_private.h
@@ -0,0 +1,109 @@
+#ifndef jffs2_private_h
+#define jffs2_private_h
+
+#include <jffs2/jffs2.h>
+
+
+struct b_node {
+ u32 offset;
+ struct b_node *next;
+ enum { CRC_UNKNOWN = 0, CRC_OK, CRC_BAD } datacrc;
+#ifdef CONFIG_SYS_JFFS2_SORT_FRAGMENTS
+ struct b_node *prev;
+ struct b_node *hash_next;
+#endif
+};
+
+struct b_list {
+ struct b_node *listTail;
+ struct b_node *listHead;
+#if defined(CONFIG_SYS_JFFS2_SORT_FRAGMENTS) || defined(CONFIG_SYS_JFFS2_SORT_FRAGMENTS_DIR)
+ //struct b_node *listLast;
+ int (*listCompare)(struct b_node *new, struct b_node *node);
+ u32 listLoops;
+#endif
+ u32 listCount;
+ struct mem_block *listMemBase;
+};
+
+struct b_lists {
+ struct b_list dir;
+ struct b_list frag;
+ void *readbuf;
+};
+
+struct b_compr_info {
+ u32 num_frags;
+ u32 compr_sum;
+ u32 decompr_sum;
+};
+
+struct b_jffs2_info {
+ struct b_compr_info compr_info[JFFS2_NUM_COMPR];
+};
+
+static inline int
+hdr_crc(struct jffs2_unknown_node *node)
+{
+#if 1
+ u32 crc = crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+#else
+ /* what's the semantics of this? why is this here? */
+ u32 crc = crc32_no_comp(~0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+
+ crc ^= ~0;
+#endif
+ if (node->hdr_crc != crc) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+static inline int
+dirent_crc(struct jffs2_raw_dirent *node)
+{
+ if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_dirent) - 8)) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+static inline int
+dirent_name_crc(struct jffs2_raw_dirent *node)
+{
+ if (node->name_crc != crc32_no_comp(0, (unsigned char *)&(node->name), node->nsize)) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+static inline int
+inode_crc(struct jffs2_raw_inode *node)
+{
+ if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_inode) - 8)) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+static inline int
+data_crc(struct jffs2_raw_inode *node)
+{
+ if (node->data_crc != crc32_no_comp(0, (unsigned char *)
+ ((int) &node->node_crc + sizeof (node->node_crc)),
+ node->csize)) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+#if defined(CONFIG_SYS_JFFS2_SORT_FRAGMENTS) || defined(CONFIG_SYS_JFFS2_SORT_FRAGMENTS_DIR)
+/* External merge sort. */
+int sort_list(struct b_list *list);
+#endif
+#endif /* jffs2_private.h */