From 56f468d29b4beab59f5a751d8d30364962298328 Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Mon, 16 Jan 2012 15:03:11 +0100 Subject: [PATCH] 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 Reviewed-on: http://review.coreboot.org/586 Reviewed-by: Bernhard Urban Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- payloads/libpayload/drivers/options.c | 2 +- payloads/libpayload/include/libpayload.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) 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);