X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_packedtags2.c;h=d5291fc438f0e4a6eea5dbef7e06a38f7866f638;hp=e1d18cc33c683ebc1ba53fc18841b60040b46f84;hb=c1422c27f5f17c68acf261209292c7489085df6b;hpb=07353dd87a46afc753441028af8f5e8629b13bdc diff --git a/yaffs_packedtags2.c b/yaffs_packedtags2.c index e1d18cc..d5291fc 100644 --- a/yaffs_packedtags2.c +++ b/yaffs_packedtags2.c @@ -14,6 +14,7 @@ #include "yaffs_packedtags2.h" #include "yportenv.h" #include "yaffs_trace.h" +#include "yaffs_endian.h" /* This code packs a set of extended tags into a binary structure for * NAND storage @@ -72,7 +73,8 @@ static int yaffs_check_tags_extra_packable(const struct yaffs_ext_tags *t) return 1; } -void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *ptt, +void yaffs_pack_tags2_tags_only(struct yaffs_dev *dev, + struct yaffs_packed_tags2_tags_only *ptt, const struct yaffs_ext_tags *t) { ptt->chunk_id = t->chunk_id; @@ -106,12 +108,14 @@ void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *ptt, yaffs_dump_packed_tags2_tags_only(ptt); yaffs_dump_tags2(t); + yaffs_do_endian_packed_tags2(dev, ptt); } -void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt, +void yaffs_pack_tags2(struct yaffs_dev *dev, + struct yaffs_packed_tags2 *pt, const struct yaffs_ext_tags *t, int tags_ecc) { - yaffs_pack_tags2_tags_only(&pt->t, t); + yaffs_pack_tags2_tags_only(dev, &pt->t, t); if (tags_ecc) yaffs_ecc_calc_other((unsigned char *)&pt->t, @@ -119,45 +123,52 @@ void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt, &pt->ecc); } -void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t, - struct yaffs_packed_tags2_tags_only *ptt) +void yaffs_unpack_tags2_tags_only(struct yaffs_dev *dev, + struct yaffs_ext_tags *t, + struct yaffs_packed_tags2_tags_only *ptt_ptr) { + struct yaffs_packed_tags2_tags_only ptt_copy = *ptt_ptr; + memset(t, 0, sizeof(struct yaffs_ext_tags)); - if (ptt->seq_number == 0xffffffff) + if (ptt_copy.seq_number == 0xffffffff) return; + yaffs_do_endian_packed_tags2(dev, &ptt_copy); + t->block_bad = 0; t->chunk_used = 1; - t->obj_id = ptt->obj_id; - t->chunk_id = ptt->chunk_id; - t->n_bytes = ptt->n_bytes; + t->obj_id = ptt_copy.obj_id; + t->chunk_id = ptt_copy.chunk_id; + t->n_bytes = ptt_copy.n_bytes; t->is_deleted = 0; t->serial_number = 0; - t->seq_number = ptt->seq_number; + t->seq_number = ptt_copy.seq_number; /* Do extra header info stuff */ - if (ptt->chunk_id & EXTRA_HEADER_INFO_FLAG) { + if (ptt_copy.chunk_id & EXTRA_HEADER_INFO_FLAG) { t->chunk_id = 0; t->n_bytes = 0; t->extra_available = 1; - t->extra_parent_id = ptt->chunk_id & (~(ALL_EXTRA_FLAGS)); - t->extra_is_shrink = ptt->chunk_id & EXTRA_SHRINK_FLAG ? 1 : 0; - t->extra_shadows = ptt->chunk_id & EXTRA_SHADOWS_FLAG ? 1 : 0; - t->extra_obj_type = ptt->obj_id >> EXTRA_OBJECT_TYPE_SHIFT; + t->extra_parent_id = ptt_copy.chunk_id & (~(ALL_EXTRA_FLAGS)); + t->extra_is_shrink = ptt_copy.chunk_id & EXTRA_SHRINK_FLAG ? 1 : 0; + t->extra_shadows = ptt_copy.chunk_id & EXTRA_SHADOWS_FLAG ? 1 : 0; + t->extra_obj_type = ptt_copy.obj_id >> EXTRA_OBJECT_TYPE_SHIFT; t->obj_id &= ~EXTRA_OBJECT_TYPE_MASK; if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK) - t->extra_equiv_id = ptt->n_bytes; + t->extra_equiv_id = ptt_copy.n_bytes; else - t->extra_file_size = ptt->n_bytes; + t->extra_file_size = ptt_copy.n_bytes; } - yaffs_dump_packed_tags2_tags_only(ptt); + yaffs_dump_packed_tags2_tags_only(ptt_ptr); yaffs_dump_tags2(t); } -void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt, +void yaffs_unpack_tags2(struct yaffs_dev *dev, + struct yaffs_ext_tags *t, + struct yaffs_packed_tags2 *pt, int tags_ecc) { enum yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_NO_ERROR; @@ -188,7 +199,7 @@ void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt, ecc_result = YAFFS_ECC_RESULT_UNKNOWN; } } - yaffs_unpack_tags2_tags_only(t, &pt->t); + yaffs_unpack_tags2_tags_only(dev, t, &pt->t); t->ecc_result = ecc_result;