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-rw-r--r--ubi-utils/libubigen.c315
1 files changed, 0 insertions, 315 deletions
diff --git a/ubi-utils/libubigen.c b/ubi-utils/libubigen.c
deleted file mode 100644
index d2a949b..0000000
--- a/ubi-utils/libubigen.c
+++ /dev/null
@@ -1,315 +0,0 @@
-/*
- * Copyright (c) International Business Machines Corp., 2006
- * Copyright (C) 2008 Nokia Corporation
- *
- * 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.
- */
-
-/*
- * Generating UBI images.
- *
- * Authors: Oliver Lohmann
- * Artem Bityutskiy
- */
-
-#define PROGRAM_NAME "libubigen"
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <mtd/ubi-media.h>
-#include <mtd_swab.h>
-#include <libubigen.h>
-#include <crc32.h>
-#include "common.h"
-
-void ubigen_info_init(struct ubigen_info *ui, int peb_size, int min_io_size,
- int subpage_size, int vid_hdr_offs, int ubi_ver,
- uint32_t image_seq)
-{
- if (!vid_hdr_offs) {
- vid_hdr_offs = UBI_EC_HDR_SIZE + subpage_size - 1;
- vid_hdr_offs /= subpage_size;
- vid_hdr_offs *= subpage_size;
- }
-
- ui->peb_size = peb_size;
- ui->min_io_size = min_io_size;
- ui->vid_hdr_offs = vid_hdr_offs;
- ui->data_offs = vid_hdr_offs + UBI_VID_HDR_SIZE + min_io_size - 1;
- ui->data_offs /= min_io_size;
- ui->data_offs *= min_io_size;
- ui->leb_size = peb_size - ui->data_offs;
- ui->ubi_ver = ubi_ver;
- ui->image_seq = image_seq;
-
- ui->max_volumes = ui->leb_size / UBI_VTBL_RECORD_SIZE;
- if (ui->max_volumes > UBI_MAX_VOLUMES)
- ui->max_volumes = UBI_MAX_VOLUMES;
- ui->vtbl_size = ui->max_volumes * UBI_VTBL_RECORD_SIZE;
-}
-
-struct ubi_vtbl_record *ubigen_create_empty_vtbl(const struct ubigen_info *ui)
-{
- struct ubi_vtbl_record *vtbl;
- int i;
-
- vtbl = calloc(1, ui->vtbl_size);
- if (!vtbl) {
- sys_errmsg("cannot allocate %d bytes of memory", ui->vtbl_size);
- return NULL;
- }
-
- for (i = 0; i < ui->max_volumes; i++) {
- uint32_t crc = mtd_crc32(UBI_CRC32_INIT, &vtbl[i],
- UBI_VTBL_RECORD_SIZE_CRC);
- vtbl[i].crc = cpu_to_be32(crc);
- }
-
- return vtbl;
-}
-
-int ubigen_add_volume(const struct ubigen_info *ui,
- const struct ubigen_vol_info *vi,
- struct ubi_vtbl_record *vtbl)
-{
- struct ubi_vtbl_record *vtbl_rec = &vtbl[vi->id];
- uint32_t tmp;
-
- if (vi->id >= ui->max_volumes) {
- errmsg("too high volume id %d, max. volumes is %d",
- vi->id, ui->max_volumes);
- errno = EINVAL;
- return -1;
- }
-
- if (vi->alignment >= ui->leb_size) {
- errmsg("too large alignment %d, max is %d (LEB size)",
- vi->alignment, ui->leb_size);
- errno = EINVAL;
- return -1;
- }
-
- memset(vtbl_rec, 0, sizeof(struct ubi_vtbl_record));
- tmp = (vi->bytes + ui->leb_size - 1) / ui->leb_size;
- vtbl_rec->reserved_pebs = cpu_to_be32(tmp);
- vtbl_rec->alignment = cpu_to_be32(vi->alignment);
- vtbl_rec->vol_type = vi->type;
- tmp = ui->leb_size % vi->alignment;
- vtbl_rec->data_pad = cpu_to_be32(tmp);
- vtbl_rec->flags = vi->flags;
-
- memcpy(vtbl_rec->name, vi->name, vi->name_len);
- vtbl_rec->name[vi->name_len] = '\0';
- vtbl_rec->name_len = cpu_to_be16(vi->name_len);
-
- tmp = mtd_crc32(UBI_CRC32_INIT, vtbl_rec, UBI_VTBL_RECORD_SIZE_CRC);
- vtbl_rec->crc = cpu_to_be32(tmp);
- return 0;
-}
-
-void ubigen_init_ec_hdr(const struct ubigen_info *ui,
- struct ubi_ec_hdr *hdr, long long ec)
-{
- uint32_t crc;
-
- memset(hdr, 0, sizeof(struct ubi_ec_hdr));
-
- hdr->magic = cpu_to_be32(UBI_EC_HDR_MAGIC);
- hdr->version = ui->ubi_ver;
- hdr->ec = cpu_to_be64(ec);
- hdr->vid_hdr_offset = cpu_to_be32(ui->vid_hdr_offs);
- hdr->data_offset = cpu_to_be32(ui->data_offs);
- hdr->image_seq = cpu_to_be32(ui->image_seq);
-
- crc = mtd_crc32(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
- hdr->hdr_crc = cpu_to_be32(crc);
-}
-
-void ubigen_init_vid_hdr(const struct ubigen_info *ui,
- const struct ubigen_vol_info *vi,
- struct ubi_vid_hdr *hdr, int lnum,
- const void *data, int data_size)
-{
- uint32_t crc;
-
- memset(hdr, 0, sizeof(struct ubi_vid_hdr));
-
- hdr->magic = cpu_to_be32(UBI_VID_HDR_MAGIC);
- hdr->version = ui->ubi_ver;
- hdr->vol_type = vi->type;
- hdr->vol_id = cpu_to_be32(vi->id);
- hdr->lnum = cpu_to_be32(lnum);
- hdr->data_pad = cpu_to_be32(vi->data_pad);
- hdr->compat = vi->compat;
-
- if (vi->type == UBI_VID_STATIC) {
- hdr->data_size = cpu_to_be32(data_size);
- hdr->used_ebs = cpu_to_be32(vi->used_ebs);
- crc = mtd_crc32(UBI_CRC32_INIT, data, data_size);
- hdr->data_crc = cpu_to_be32(crc);
- }
-
- crc = mtd_crc32(UBI_CRC32_INIT, hdr, UBI_VID_HDR_SIZE_CRC);
- hdr->hdr_crc = cpu_to_be32(crc);
-}
-
-int ubigen_write_volume(const struct ubigen_info *ui,
- const struct ubigen_vol_info *vi, long long ec,
- long long bytes, int in, int out)
-{
- int len = vi->usable_leb_size, rd, lnum = 0;
- char *inbuf, *outbuf;
-
- if (vi->id >= ui->max_volumes) {
- errmsg("too high volume id %d, max. volumes is %d",
- vi->id, ui->max_volumes);
- errno = EINVAL;
- return -1;
- }
-
- if (vi->alignment >= ui->leb_size) {
- errmsg("too large alignment %d, max is %d (LEB size)",
- vi->alignment, ui->leb_size);
- errno = EINVAL;
- return -1;
- }
-
- inbuf = malloc(ui->leb_size);
- if (!inbuf)
- return sys_errmsg("cannot allocate %d bytes of memory",
- ui->leb_size);
- outbuf = malloc(ui->peb_size);
- if (!outbuf) {
- sys_errmsg("cannot allocate %d bytes of memory", ui->peb_size);
- goto out_free;
- }
-
- memset(outbuf, 0xFF, ui->data_offs);
- ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec);
-
- while (bytes) {
- int l;
- struct ubi_vid_hdr *vid_hdr;
-
- if (bytes < len)
- len = bytes;
- bytes -= len;
-
- l = len;
- do {
- rd = read(in, inbuf + len - l, l);
- if (rd != l) {
- sys_errmsg("cannot read %d bytes from the input file", l);
- goto out_free1;
- }
-
- l -= rd;
- } while (l);
-
- vid_hdr = (struct ubi_vid_hdr *)(&outbuf[ui->vid_hdr_offs]);
- ubigen_init_vid_hdr(ui, vi, vid_hdr, lnum, inbuf, len);
-
- memcpy(outbuf + ui->data_offs, inbuf, len);
- memset(outbuf + ui->data_offs + len, 0xFF,
- ui->peb_size - ui->data_offs - len);
-
- if (write(out, outbuf, ui->peb_size) != ui->peb_size) {
- sys_errmsg("cannot write %d bytes to the output file", ui->peb_size);
- goto out_free1;
- }
-
- lnum += 1;
- }
-
- free(outbuf);
- free(inbuf);
- return 0;
-
-out_free1:
- free(outbuf);
-out_free:
- free(inbuf);
- return -1;
-}
-
-int ubigen_write_layout_vol(const struct ubigen_info *ui, int peb1, int peb2,
- long long ec1, long long ec2,
- struct ubi_vtbl_record *vtbl, int fd)
-{
- int ret;
- struct ubigen_vol_info vi;
- char *outbuf;
- struct ubi_vid_hdr *vid_hdr;
- off_t seek;
-
- vi.bytes = ui->leb_size * UBI_LAYOUT_VOLUME_EBS;
- vi.id = UBI_LAYOUT_VOLUME_ID;
- vi.alignment = UBI_LAYOUT_VOLUME_ALIGN;
- vi.data_pad = ui->leb_size % UBI_LAYOUT_VOLUME_ALIGN;
- vi.usable_leb_size = ui->leb_size - vi.data_pad;
- vi.data_pad = ui->leb_size - vi.usable_leb_size;
- vi.type = UBI_LAYOUT_VOLUME_TYPE;
- vi.name = UBI_LAYOUT_VOLUME_NAME;
- vi.name_len = strlen(UBI_LAYOUT_VOLUME_NAME);
- vi.compat = UBI_LAYOUT_VOLUME_COMPAT;
-
- outbuf = malloc(ui->peb_size);
- if (!outbuf)
- return sys_errmsg("failed to allocate %d bytes",
- ui->peb_size);
-
- memset(outbuf, 0xFF, ui->data_offs);
- vid_hdr = (struct ubi_vid_hdr *)(&outbuf[ui->vid_hdr_offs]);
- memcpy(outbuf + ui->data_offs, vtbl, ui->vtbl_size);
- memset(outbuf + ui->data_offs + ui->vtbl_size, 0xFF,
- ui->peb_size - ui->data_offs - ui->vtbl_size);
-
- seek = (off_t) peb1 * ui->peb_size;
- if (lseek(fd, seek, SEEK_SET) != seek) {
- sys_errmsg("cannot seek output file");
- goto out_free;
- }
-
- ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec1);
- ubigen_init_vid_hdr(ui, &vi, vid_hdr, 0, NULL, 0);
- ret = write(fd, outbuf, ui->peb_size);
- if (ret != ui->peb_size) {
- sys_errmsg("cannot write %d bytes", ui->peb_size);
- goto out_free;
- }
-
- seek = (off_t) peb2 * ui->peb_size;
- if (lseek(fd, seek, SEEK_SET) != seek) {
- sys_errmsg("cannot seek output file");
- goto out_free;
- }
- ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec2);
- ubigen_init_vid_hdr(ui, &vi, vid_hdr, 1, NULL, 0);
- ret = write(fd, outbuf, ui->peb_size);
- if (ret != ui->peb_size) {
- sys_errmsg("cannot write %d bytes", ui->peb_size);
- goto out_free;
- }
-
- free(outbuf);
- return 0;
-
-out_free:
- free(outbuf);
- return -1;
-}