diff options
| -rw-r--r-- | ubi-utils/sort-me-out/README | 3 | ||||
| -rw-r--r-- | ubi-utils/sort-me-out/libubigen-old.c | 486 | ||||
| -rw-r--r-- | ubi-utils/sort-me-out/ubigen.c | 4 |
3 files changed, 492 insertions, 1 deletions
diff --git a/ubi-utils/sort-me-out/README b/ubi-utils/sort-me-out/README index fa09c96..384322b 100644 --- a/ubi-utils/sort-me-out/README +++ b/ubi-utils/sort-me-out/README @@ -63,3 +63,6 @@ This directory contains various stuff that has to be cleaned up and sorted out. cleaned-up and moved to src/ * error.[ch]: strange and rather IBM-specific error messages output infrastructure. + +* libubigen-old.c: old ubigen library other tools in this directory should be + compiled with diff --git a/ubi-utils/sort-me-out/libubigen-old.c b/ubi-utils/sort-me-out/libubigen-old.c new file mode 100644 index 0000000..6aef291 --- /dev/null +++ b/ubi-utils/sort-me-out/libubigen-old.c @@ -0,0 +1,486 @@ +/* + * Copyright (c) International Business Machines Corp., 2006 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Author: Oliver Lohmann + * + * Add UBI headers to binary data. + */ + +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <mtd/ubi-header.h> + +#include "config.h" +#include "ubigen.h" +#include "crc32.h" + +#define UBI_NAME_SIZE 256 +#define DEFAULT_VID_OFFSET ((DEFAULT_PAGESIZE) - (UBI_VID_HDR_SIZE)) +#define MIN(a,b) ((a) < (b) ? (a) : (b)) + +static uint32_t crc32_table[256]; + +struct ubi_info { + struct ubi_vid_hdr* v; /* Volume ID header */ + struct ubi_ec_hdr* ec; /* Erase count header */ + + FILE* fp_in; /* Input Stream */ + FILE* fp_out; /* Output stream */ + + size_t peb_size; /* Physical EB size in bytes */ + size_t leb_size; /* Size of a logical EB in a physical EB */ + size_t leb_total; /* Total input size in logical EB */ + size_t alignment; /* Block alignment */ + size_t data_pad; /* Size of padding in each physical EB */ + + size_t bytes_total; /* Total input size in bytes */ + size_t bytes_read; /* Nymber of read bytes (total) */ + + uint32_t blks_written; /* Number of written logical EB */ + + uint8_t* buf; /* Allocated buffer */ + uint8_t* ptr_ec_hdr; /* Pointer to EC hdr in buf */ + uint8_t* ptr_vid_hdr; /* Pointer to VID hdr in buf */ + uint8_t* ptr_data; /* Pointer to data region in buf */ +}; + + +static uint32_t +byte_to_blk(uint64_t byte, uint32_t peb_size) +{ + return (byte % peb_size) == 0 + ? (byte / peb_size) + : (byte / peb_size) + 1; +} + +static int +validate_ubi_info(ubi_info_t u) +{ + if ((u->v->vol_type != UBI_VID_DYNAMIC) && + (u->v->vol_type != UBI_VID_STATIC)) { + return EUBIGEN_INVALID_TYPE; + } + + if (__be32_to_cpu(u->ec->vid_hdr_offset) < UBI_VID_HDR_SIZE) { + return EUBIGEN_INVALID_HDR_OFFSET; + } + + return 0; +} + +static int +skip_blks(ubi_info_t u, uint32_t blks) +{ + uint32_t i; + size_t read = 0, to_read = 0; + + /* Step to a maximum of leb_total - 1 to keep the + restrictions. */ + for (i = 0; i < MIN(blks, u->leb_total-1); i++) { + /* Read in data */ + to_read = MIN(u->leb_size, + (u->bytes_total - u->bytes_read)); + read = fread(u->ptr_data, 1, to_read, u->fp_in); + if (read != to_read) { + return -EIO; + } + u->bytes_read += read; + u->blks_written++; + } + + return 0; +} + +static void +clear_buf(ubi_info_t u) +{ + memset(u->buf, 0xff, u->peb_size); +} + +static void +write_ec_hdr(ubi_info_t u) +{ + memcpy(u->ptr_ec_hdr, u->ec, UBI_EC_HDR_SIZE); +} + +static int +fill_data_buffer_from_file(ubi_info_t u, size_t* read) +{ + size_t to_read = 0; + + if (u-> fp_in == NULL) + return -EIO; + + to_read = MIN(u->leb_size, (u->bytes_total - u->bytes_read)); + *read = fread(u->ptr_data, 1, to_read, u->fp_in); + if (*read != to_read) { + return -EIO; + } + return 0; +} + +static void +add_static_info(ubi_info_t u, size_t data_size, ubigen_action_t action) +{ + uint32_t crc = clc_crc32(crc32_table, UBI_CRC32_INIT, + u->ptr_data, data_size); + + u->v->data_size = __cpu_to_be32(data_size); + u->v->data_crc = __cpu_to_be32(crc); + + if (action & BROKEN_DATA_CRC) { + u->v->data_crc = + __cpu_to_be32(__be32_to_cpu(u->v->data_crc) + 1); + } + if (action & BROKEN_DATA_SIZE) { + u->v->data_size = + __cpu_to_be32(__be32_to_cpu(u->v->data_size) + 1); + } +} + +static void +write_vid_hdr(ubi_info_t u, ubigen_action_t action) +{ + uint32_t crc = clc_crc32(crc32_table, UBI_CRC32_INIT, + u->v, UBI_VID_HDR_SIZE_CRC); + /* Write VID header */ + u->v->hdr_crc = __cpu_to_be32(crc); + if (action & BROKEN_HDR_CRC) { + u->v->hdr_crc = __cpu_to_be32(__be32_to_cpu(u->v->hdr_crc) + 1); + } + memcpy(u->ptr_vid_hdr, u->v, UBI_VID_HDR_SIZE); +} + +static int +write_to_output_stream(ubi_info_t u) +{ + size_t written; + + written = fwrite(u->buf, 1, u->peb_size, u->fp_out); + if (written != u->peb_size) { + return -EIO; + } + return 0; +} + +int +ubigen_write_leb(ubi_info_t u, ubigen_action_t action) +{ + int rc = 0; + size_t read = 0; + + clear_buf(u); + write_ec_hdr(u); + + rc = fill_data_buffer_from_file(u, &read); + if (rc != 0) + return rc; + + if (u->v->vol_type == UBI_VID_STATIC) { + add_static_info(u, read, action); + } + + u->v->lnum = __cpu_to_be32(u->blks_written); + + if (action & MARK_AS_UPDATE) { + u->v->copy_flag = (u->v->copy_flag)++; + } + + write_vid_hdr(u, action); + rc = write_to_output_stream(u); + if (rc != 0) + return rc; + + /* Update current handle */ + u->bytes_read += read; + u->blks_written++; + return 0; +} + +int +ubigen_write_complete(ubi_info_t u) +{ + size_t i; + int rc = 0; + + for (i = 0; i < u->leb_total; i++) { + rc = ubigen_write_leb(u, NO_ERROR); + if (rc != 0) + return rc; + } + + return 0; +} + +int +ubigen_write_broken_update(ubi_info_t u, uint32_t blk) +{ + int rc = 0; + + rc = skip_blks(u, blk); + if (rc != 0) + return rc; + + rc = ubigen_write_leb(u, MARK_AS_UPDATE | BROKEN_DATA_CRC); + if (rc != 0) + return rc; + + + return 0; +} + +void +dump_info(ubi_info_t u ubi_unused) +{ +#ifdef DEBUG + int err = 0; + if (!u) { + fprintf(stderr, "<empty>"); + return; + } + if (!u->ec) { + fprintf(stderr, "<ec-empty>"); + err = 1; + } + if (!u->v) { + fprintf(stderr, "<v-empty>"); + err = 1; + } + if (err) return; + + fprintf(stderr, "ubi volume\n"); + fprintf(stderr, "version : %8d\n", u->v->version); + fprintf(stderr, "vol_id : %8d\n", __be32_to_cpu(u->v->vol_id)); + fprintf(stderr, "vol_type : %8s\n", + u->v->vol_type == UBI_VID_STATIC ? + "static" : "dynamic"); + fprintf(stderr, "used_ebs : %8d\n", + __be32_to_cpu(u->v->used_ebs)); + fprintf(stderr, "peb_size : 0x%08x\n", u->peb_size); + fprintf(stderr, "leb_size : 0x%08x\n", u->leb_size); + fprintf(stderr, "data_pad : 0x%08x\n", + __be32_to_cpu(u->v->data_pad)); + fprintf(stderr, "leb_total : %8d\n", u->leb_total); + fprintf(stderr, "header offs : 0x%08x\n", + __be32_to_cpu(u->ec->vid_hdr_offset)); + fprintf(stderr, "bytes_total : %8d\n", u->bytes_total); + fprintf(stderr, " + in MiB : %8.2f M\n", + ((float)(u->bytes_total)) / 1024 / 1024); + fprintf(stderr, "-------------------------------\n\n"); +#else + return; +#endif +} + +int +ubigen_destroy(ubi_info_t *u) +{ + if (u == NULL) + return -EINVAL; + + ubi_info_t tmp = *u; + + if (tmp) { + if (tmp->v) + free(tmp->v); + if (tmp->ec) + free(tmp->ec); + if (tmp->buf) + free(tmp->buf); + free(tmp); + } + *u = NULL; + return 0; +} + +void +ubigen_init(void) +{ + init_crc32_table(crc32_table); +} + +int +ubigen_create(ubi_info_t* u, uint32_t vol_id, uint8_t vol_type, + uint32_t peb_size, uint64_t ec, uint32_t alignment, + uint8_t version, uint32_t vid_hdr_offset, uint8_t compat_flag, + size_t data_size, FILE* fp_in, FILE* fp_out) +{ + int rc = 0; + ubi_info_t res = NULL; + uint32_t crc; + uint32_t data_offset; + + if (alignment == 0) { + rc = EUBIGEN_INVALID_ALIGNMENT; + goto ubigen_create_err; + } + if ((fp_in == NULL) || (fp_out == NULL)) { + rc = -EINVAL; + goto ubigen_create_err; + } + + res = (ubi_info_t) calloc(1, sizeof(struct ubi_info)); + if (res == NULL) { + rc = -ENOMEM; + goto ubigen_create_err; + } + + res->v = (struct ubi_vid_hdr*) calloc(1, sizeof(struct ubi_vid_hdr)); + if (res->v == NULL) { + rc = -ENOMEM; + goto ubigen_create_err; + } + + res->ec = (struct ubi_ec_hdr*) calloc(1, sizeof(struct ubi_ec_hdr)); + if (res->ec == NULL) { + rc = -ENOMEM; + goto ubigen_create_err; + } + + /* data which is needed in the general process */ + vid_hdr_offset = vid_hdr_offset ? vid_hdr_offset : DEFAULT_VID_OFFSET; + data_offset = vid_hdr_offset + UBI_VID_HDR_SIZE; + res->bytes_total = data_size; + res->peb_size = peb_size ? peb_size : DEFAULT_BLOCKSIZE; + res->data_pad = (res->peb_size - data_offset) % alignment; + res->leb_size = res->peb_size - data_offset - res->data_pad; + res->leb_total = byte_to_blk(data_size, res->leb_size); + res->alignment = alignment; + + if ((res->peb_size < (vid_hdr_offset + UBI_VID_HDR_SIZE))) { + rc = EUBIGEN_TOO_SMALL_EB; + goto ubigen_create_err; + } + res->fp_in = fp_in; + res->fp_out = fp_out; + + /* vid hdr data which doesn't change */ + res->v->magic = __cpu_to_be32(UBI_VID_HDR_MAGIC); + res->v->version = version ? version : UBI_VERSION; + res->v->vol_type = vol_type; + res->v->vol_id = __cpu_to_be32(vol_id); + res->v->compat = compat_flag; + res->v->data_pad = __cpu_to_be32(res->data_pad); + + /* static only: used_ebs */ + if (res->v->vol_type == UBI_VID_STATIC) { + res->v->used_ebs = __cpu_to_be32(byte_to_blk + (res->bytes_total, + res->leb_size)); + } + + /* ec hdr (fixed, doesn't change) */ + res->ec->magic = __cpu_to_be32(UBI_EC_HDR_MAGIC); + res->ec->version = version ? version : UBI_VERSION; + res->ec->ec = __cpu_to_be64(ec); + res->ec->vid_hdr_offset = __cpu_to_be32(vid_hdr_offset); + + res->ec->data_offset = __cpu_to_be32(data_offset); + + crc = clc_crc32(crc32_table, UBI_CRC32_INIT, res->ec, + UBI_EC_HDR_SIZE_CRC); + res->ec->hdr_crc = __cpu_to_be32(crc); + + /* prepare a read buffer */ + res->buf = (uint8_t*) malloc (res->peb_size * sizeof(uint8_t)); + if (res->buf == NULL) { + rc = -ENOMEM; + goto ubigen_create_err; + } + + /* point to distinct regions within the buffer */ + res->ptr_ec_hdr = res->buf; + res->ptr_vid_hdr = res->buf + __be32_to_cpu(res->ec->vid_hdr_offset); + res->ptr_data = res->buf + __be32_to_cpu(res->ec->vid_hdr_offset) + + UBI_VID_HDR_SIZE; + + rc = validate_ubi_info(res); + if (rc != 0) { + fprintf(stderr, "Volume validation failed: %d\n", rc); + goto ubigen_create_err; + } + + dump_info(res); + *u = res; + return rc; + +ubigen_create_err: + if (res) { + if (res->v) + free(res->v); + if (res->ec) + free(res->ec); + if (res->buf) + free(res->buf); + free(res); + } + *u = NULL; + return rc; +} + +int +ubigen_get_leb_size(ubi_info_t u, size_t* size) +{ + if (u == NULL) + return -EINVAL; + + *size = u->leb_size; + return 0; +} + + +int +ubigen_get_leb_total(ubi_info_t u, size_t* total) +{ + if (u == NULL) + return -EINVAL; + + *total = u->leb_total; + return 0; +} + +int +ubigen_set_lvol_rec(ubi_info_t u, size_t reserved_bytes, + const char* vol_name, struct ubi_vtbl_record *lvol_rec) +{ + uint32_t crc; + + if ((u == NULL) || (vol_name == NULL)) + return -EINVAL; + + memset(lvol_rec, 0x0, UBI_VTBL_RECORD_SIZE); + + lvol_rec->reserved_pebs = + __cpu_to_be32(byte_to_blk(reserved_bytes, u->leb_size)); + lvol_rec->alignment = __cpu_to_be32(u->alignment); + lvol_rec->data_pad = u->v->data_pad; + lvol_rec->vol_type = u->v->vol_type; + + lvol_rec->name_len = + __cpu_to_be16((uint16_t)strlen((const char*)vol_name)); + + memcpy(lvol_rec->name, vol_name, UBI_VOL_NAME_MAX + 1); + + crc = clc_crc32(crc32_table, UBI_CRC32_INIT, + lvol_rec, UBI_VTBL_RECORD_SIZE_CRC); + lvol_rec->crc = __cpu_to_be32(crc); + + return 0; +} diff --git a/ubi-utils/sort-me-out/ubigen.c b/ubi-utils/sort-me-out/ubigen.c index 3b1fc0e..35fad27 100644 --- a/ubi-utils/sort-me-out/ubigen.c +++ b/ubi-utils/sort-me-out/ubigen.c @@ -166,6 +166,7 @@ static int parse_opt(int argc, char * const argv[]) } args.peb_size *= mult; } + break; case 'm': args.min_io_size = strtoull(optarg, &endp, 0); @@ -183,6 +184,7 @@ static int parse_opt(int argc, char * const argv[]) } args.min_io_size *= mult; } + break; case 'e': args.ec = strtoul(optarg, &endp, 0); @@ -220,7 +222,7 @@ static int parse_opt(int argc, char * const argv[]) break; case 'O': - args.vid_hdr_offs = strtoul(optarg, &endp, 0); + args.vid_hdr_offs = strtoul(optarg, &endp, 0); if (endp == optarg || args.vid_hdr_offs < 0) { errmsg("bad VID header offset: \"%s\"", optarg); return -1; |