diff options
Diffstat (limited to 'cli_classic.c')
| -rw-r--r-- | cli_classic.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/cli_classic.c b/cli_classic.c index 81299210..267f3c61 100644 --- a/cli_classic.c +++ b/cli_classic.c @@ -357,6 +357,40 @@ static int wp_cli( return 0; } +/** + * @brief Reads content to buffer from one or more files. + * + * Reads content to supplied buffer from files. If a filename is specified for + * individual regions using the partial read syntax ('-i <region>[:<filename>]') + * then this will read file data into the corresponding region in the + * supplied buffer. + * + * @param layout The layout to be used. + * @param buf Chip-sized buffer to write data to + * @return 0 on success + */ +static int read_buf_from_include_args(const struct flashrom_layout *const layout, unsigned char *buf) +{ + const struct romentry *entry = NULL; + + /* + * Content will be read from -i args, so they must not overlap since + * we need to know exactly what content to write to the ROM. + */ + if (included_regions_overlap(layout)) { + msg_gerr("Error: Included regions must not overlap when writing.\n"); + return 1; + } + + while ((entry = layout_next_included(layout, entry))) { + if (!entry->file) + continue; + if (read_buf_from_file(buf + entry->start, + entry->end - entry->start + 1, entry->file)) + return 1; + } + return 0; +} static int do_read(struct flashctx *const flash, const char *const filename) { |