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libpayload: Add get_option_from() 

This function allows reading the nvram configuration table from
locations other than the cbtable.

Change-Id: I56c9973a9ea45ad7bf0185b70d11c9ce5d0e0e1b
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/213
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
This commit is contained in:
Patrick Georgi 2011-07-12 11:40:29 +02:00 committed by Patrick Georgi
parent e169f82edf
commit c230058199
2 changed files with 8 additions and 2 deletions
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9
payloads/libpayload/drivers/options.c
View File

@ -93,9 +93,8 @@ static int get_cmos_value(u32 bitnum, u32 len, void *valptr)
return 0; return 0;
} }
int get_option(void *dest, char *name) int get_option_from(struct cb_cmos_option_table *option_table, void *dest, char *name)
{ {
struct cb_cmos_option_table *option_table = phys_to_virt(lib_sysinfo.option_table);
struct cb_cmos_entries *cmos_entry; struct cb_cmos_entries *cmos_entry;
int len = strnlen(name, CMOS_MAX_NAME_LENGTH); int len = strnlen(name, CMOS_MAX_NAME_LENGTH);
@ -118,3 +117,9 @@ int get_option(void *dest, char *name)
printf("ERROR: No such CMOS option (%s)\n", name); printf("ERROR: No such CMOS option (%s)\n", name);
return 1; return 1;
} }
int get_option(void *dest, char *name)
{
struct cb_cmos_option_table *option_table = phys_to_virt(lib_sysinfo.option_table);
return get_option_from(option_table, dest, name);
}

1
payloads/libpayload/include/libpayload.h
View File

@ -194,6 +194,7 @@ void video_console_set_cursor(unsigned int cursorx, unsigned int cursory);
/* drivers/option.c */ /* drivers/option.c */
void fix_options_checksum(void); void fix_options_checksum(void);
int get_option_from(struct cb_cmos_option_table *option_table, void *dest, char *name);
int get_option(void *dest, char *name); int get_option(void *dest, char *name);
/** /**