diff options
Diffstat (limited to 'util/cbfstool/cbfs_image.c')
| -rw-r--r-- | util/cbfstool/cbfs_image.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/util/cbfstool/cbfs_image.c b/util/cbfstool/cbfs_image.c index 2d7a6f0367..95b2db7083 100644 --- a/util/cbfstool/cbfs_image.c +++ b/util/cbfstool/cbfs_image.c @@ -2,6 +2,7 @@ * CBFS Image Manipulation * * Copyright (C) 2013 The Chromium OS Authors. All rights reserved. + * Copyright (C) 2016 Siemens AG. All rights reserved. * * 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 @@ -1410,6 +1411,16 @@ static int is_in_range(size_t start, size_t end, size_t metadata_size, return (offset >= start + metadata_size && offset + size <= end); } +static size_t absolute_align(const struct cbfs_image *image, size_t val, + size_t align) +{ + const size_t region_offset = buffer_offset(&image->buffer); + /* To perform alignment on absolute address, take the region offset */ + /* of the image into account. */ + return align_up(val + region_offset, align) - region_offset; + +} + int32_t cbfs_locate_entry(struct cbfs_image *image, size_t size, size_t page_size, size_t align, size_t metadata_size) { @@ -1474,7 +1485,7 @@ int32_t cbfs_locate_entry(struct cbfs_image *image, size_t size, if (addr_next - addr < need_len) continue; - offset = align_up(addr + metadata_size, align); + offset = absolute_align(image, addr + metadata_size, align); if (is_in_same_page(offset, size, page_size) && is_in_range(addr, addr_next, metadata_size, offset, size)) { DEBUG("cbfs_locate_entry: FIT (PAGE1)."); @@ -1482,7 +1493,7 @@ int32_t cbfs_locate_entry(struct cbfs_image *image, size_t size, } addr2 = align_up(addr, page_size); - offset = align_up(addr2, align); + offset = absolute_align(image, addr2, align); if (is_in_range(addr, addr_next, metadata_size, offset, size)) { DEBUG("cbfs_locate_entry: OVERLAP (PAGE2)."); return offset; @@ -1492,7 +1503,7 @@ int32_t cbfs_locate_entry(struct cbfs_image *image, size_t size, * definitely provide the space for header. */ assert(page_size >= metadata_size); addr3 = addr2 + page_size; - offset = align_up(addr3, align); + offset = absolute_align(image, addr3, align); if (is_in_range(addr, addr_next, metadata_size, offset, size)) { DEBUG("cbfs_locate_entry: OVERLAP+ (PAGE3)."); return offset; |