diff options
Diffstat (limited to 'src/cpu/x86')
| -rw-r--r-- | src/cpu/x86/car.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/cpu/x86/car.c b/src/cpu/x86/car.c index b4345eae60..cdf7cfcb37 100644 --- a/src/cpu/x86/car.c +++ b/src/cpu/x86/car.c @@ -30,9 +30,6 @@ typedef void (* const car_migration_func_t)(void); extern car_migration_func_t _car_migrate_start; -extern char _car_data_start[]; -extern char _car_data_end[]; - /* * The car_migrated global variable determines if the cache-as-ram space has * been migrated to real RAM. It does this by assuming the following things: @@ -117,20 +114,20 @@ void *car_sync_var_ptr(void *var) static void do_car_migrate_variables(void) { void *migrated_base; - size_t car_data_size = &_car_data_end[0] - &_car_data_start[0]; + size_t car_size = car_data_size(); /* Check if already migrated. */ if (car_migrated) return; - migrated_base = cbmem_add(CBMEM_ID_CAR_GLOBALS, car_data_size); + migrated_base = cbmem_add(CBMEM_ID_CAR_GLOBALS, car_size); if (migrated_base == NULL) { printk(BIOS_ERR, "Could not migrate CAR data!\n"); return; } - memcpy(migrated_base, &_car_data_start[0], car_data_size); + memcpy(migrated_base, &_car_data_start[0], car_size); /* Mark that the data has been moved. */ car_migrated = ~0; |