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>

1 files changed, 2 insertions, 0 deletions

diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index 488ad488f8..53d6672a19 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -206,6 +206,8 @@ struct cb_cmos_option_table *get_system_option_table(void);
 int options_checksum_valid(const struct nvram_accessor *nvram);
 void fix_options_checksum_with(const struct nvram_accessor *nvram);
 void fix_options_checksum(void);
+struct cb_cmos_entries *first_cmos_entry(struct cb_cmos_option_table *option_table);
+struct cb_cmos_entries *next_cmos_entry(struct cb_cmos_entries *cur);
 int get_option_with(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, void *dest, char *name);
 int get_option_from(struct cb_cmos_option_table *option_table, void *dest, char *name);
 int get_option(void *dest, char *name);