diff options
Diffstat (limited to 'boot/bootmeth_distro.c')
| -rw-r--r-- | boot/bootmeth_distro.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/boot/bootmeth_distro.c b/boot/bootmeth_distro.c index 5c6c687f0a..6ef0fa1f2c 100644 --- a/boot/bootmeth_distro.c +++ b/boot/bootmeth_distro.c @@ -66,6 +66,38 @@ static int distro_check(struct udevice *dev, struct bootflow_iter *iter) return 0; } +/** + * distro_fill_info() - Decode the extlinux file to find out distro info + * + * @bflow: Bootflow to process + * @return 0 if OK, -ve on error + */ +static int distro_fill_info(struct bootflow *bflow) +{ + struct membuff mb; + char line[200]; + char *data; + int len; + + log_debug("parsing bflow file size %x\n", bflow->size); + membuff_init(&mb, bflow->buf, bflow->size); + membuff_putraw(&mb, bflow->size, true, &data); + while (len = membuff_readline(&mb, line, sizeof(line) - 1, ' '), len) { + char *tok, *p = line; + + tok = strsep(&p, " "); + if (p) { + if (!strcmp("label", tok)) { + bflow->os_name = strdup(p); + if (!bflow->os_name) + return log_msg_ret("os", -ENOMEM); + } + } + } + + return 0; +} + static int distro_read_bootflow(struct udevice *dev, struct bootflow *bflow) { struct blk_desc *desc; @@ -99,6 +131,10 @@ static int distro_read_bootflow(struct udevice *dev, struct bootflow *bflow) if (ret) return log_msg_ret("read", ret); + ret = distro_fill_info(bflow); + if (ret) + return log_msg_ret("inf", ret); + return 0; } |