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authorPatrick Georgi <patrick.georgi@secunet.com>2012-01-16 15:03:11 +0100
committerPatrick Georgi <patrick@georgi-clan.de>2012-02-03 13:22:20 +0100
commit56f468d29b4beab59f5a751d8d30364962298328 (patch)
tree7c6d51eb1c93f6ba01e569fa6862307faf561224
parentda59f9a8fb83e9d3931ed1d9b49eb8915a318771 (diff)
downloadcoreboot-56f468d29b4beab59f5a751d8d30364962298328.tar.xz
libpayload: Expose options_checksum_valid
options_checksum_valid can be used as a fast test to identify invalid CMOS data by checking the checksum. Change-Id: I44635d4c5d389579ad82435907ba8658e1bd44bb Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com> Reviewed-on: http://review.coreboot.org/586 Reviewed-by: Bernhard Urban <lewurm@gmail.com> Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
-rw-r--r--payloads/libpayload/drivers/options.c2
-rw-r--r--payloads/libpayload/include/libpayload.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c
index 33c06596ca..1b98cda721 100644
--- a/payloads/libpayload/drivers/options.c
+++ b/payloads/libpayload/drivers/options.c
@@ -57,7 +57,7 @@ struct cb_cmos_option_table *get_system_option_table(void)
return phys_to_virt(lib_sysinfo.option_table);
}
-static int options_checksum_valid(const struct nvram_accessor *nvram)
+int options_checksum_valid(const struct nvram_accessor *nvram)
{
int i;
int range_start = lib_sysinfo.cmos_range_start / 8;
diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index dd98404e94..488ad488f8 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -203,6 +203,7 @@ extern u8 *mem_accessor_base;
extern struct nvram_accessor *use_nvram, *use_mem;
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);
int get_option_with(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, void *dest, char *name);