diff options
author | Patrick Georgi <patrick.georgi@secunet.com> | 2012-01-16 15:39:57 +0100 |
---|---|---|
committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-02-03 13:22:48 +0100 |
commit | 0a5951110812ad83abc6a61db992050a39209b8d (patch) | |
tree | 05370cb4afc38e0be40eddc0a839983284cbba66 /payloads/libpayload/drivers/options.c | |
parent | 56f468d29b4beab59f5a751d8d30364962298328 (diff) |
libpayload: Add iterators for CMOS variables
Provide functions that pick the first CMOS variable defined
in the cmos layout, and from there, the next one.
Change-Id: Ie98146de7f6273089fc6fc0b232a4b94337cf8a3
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/587
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'payloads/libpayload/drivers/options.c')
-rw-r--r-- | payloads/libpayload/drivers/options.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c index 1b98cda721..10d165ecc7 100644 --- a/payloads/libpayload/drivers/options.c +++ b/payloads/libpayload/drivers/options.c @@ -171,6 +171,20 @@ static struct cb_cmos_entries *lookup_cmos_entry(struct cb_cmos_option_table *op return NULL; } +struct cb_cmos_entries *first_cmos_entry(struct cb_cmos_option_table *option_table) +{ + return lookup_cmos_entry(option_table, ""); +} + +struct cb_cmos_entries *next_cmos_entry(struct cb_cmos_entries *cmos_entry) +{ + struct cb_cmos_entries *next = (struct cb_cmos_entries*)((unsigned char *)cmos_entry + cmos_entry->size); + if (next->tag == CB_TAG_OPTION) + return next; + else + return NULL; +} + /* Either value or text must be NULL. Returns the field that matches "the other" for a given config_id */ static struct cb_cmos_enums *lookup_cmos_enum_core(struct cb_cmos_option_table *option_table, int config_id, u8 *value, char *text) { |