From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/u-boot/fs/jffs2/jffs2_private.h | 101 ++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 qemu/roms/u-boot/fs/jffs2/jffs2_private.h (limited to 'qemu/roms/u-boot/fs/jffs2/jffs2_private.h') diff --git a/qemu/roms/u-boot/fs/jffs2/jffs2_private.h b/qemu/roms/u-boot/fs/jffs2/jffs2_private.h new file mode 100644 index 000000000..658b32521 --- /dev/null +++ b/qemu/roms/u-boot/fs/jffs2/jffs2_private.h @@ -0,0 +1,101 @@ +#ifndef jffs2_private_h +#define jffs2_private_h + +#include + + +struct b_node { + u32 offset; + struct b_node *next; + enum { CRC_UNKNOWN = 0, CRC_OK, CRC_BAD } datacrc; +}; + +struct b_list { + struct b_node *listTail; + struct b_node *listHead; +#ifdef CONFIG_SYS_JFFS2_SORT_FRAGMENTS + 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; + } +} + +#endif /* jffs2_private.h */ -- cgit