Patrick Georgi (patrick@georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/587
-gerrit
commit 69470aacda54a628fb7d6437198fc2eddb314009 Author: Patrick Georgi patrick.georgi@secunet.com Date: Mon Jan 16 15:39:57 2012 +0100
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 --- payloads/libpayload/drivers/options.c | 14 ++++++++++++++ payloads/libpayload/include/libpayload.h | 2 ++ 2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c index 1b98cda..10d165e 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) { diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 488ad48..53d6672 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);