diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/car/post_cache_as_ram.c | 12 | ||||
| -rw-r--r-- | src/cpu/x86/car.c | 9 |
2 files changed, 5 insertions, 16 deletions
diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c index 6c320906ae..96df3e7ff8 100644 --- a/src/cpu/amd/car/post_cache_as_ram.c +++ b/src/cpu/amd/car/post_cache_as_ram.c @@ -3,6 +3,7 @@ */ #include <string.h> #include <arch/stages.h> +#include <arch/early_variables.h> #include <cpu/x86/mtrr.h> #include <cpu/amd/mtrr.h> #include <cpu/amd/car.h> @@ -22,18 +23,9 @@ #define print_car_debug(x) #endif -extern char _car_data_start[]; -extern char _car_data_end[]; - -static size_t car_data_size(void) -{ - size_t car_size = &_car_data_end[0] - &_car_data_start[0]; - return ALIGN(car_size, 64); -} - static size_t backup_size(void) { - size_t car_size = &_car_data_end[0] - &_car_data_start[0]; + size_t car_size = car_data_size(); return ALIGN(car_size + 1024, 1024); } 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; |