diff options
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/include/arch/early_variables.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/early_variables.h b/src/arch/x86/include/arch/early_variables.h index f76c0481ab..2d5ae859ff 100644 --- a/src/arch/x86/include/arch/early_variables.h +++ b/src/arch/x86/include/arch/early_variables.h @@ -39,9 +39,14 @@ asm(".previous"); /* Get the correct pointer for the CAR global variable. */ void *car_get_var_ptr(void *var); +/* Get and update a CAR_GLOBAL pointing elsewhere in car.global_data*/ +void *car_sync_var_ptr(void *var); + /* Get and set a primitive type global variable. */ #define car_get_var(var) \ *(typeof(var) *)car_get_var_ptr(&(var)) +#define car_sync_var(var) \ + *(typeof (var) *)car_sync_var_ptr(&(var)) #define car_set_var(var, val) \ do { car_get_var(var) = (val); } while(0) @@ -49,6 +54,7 @@ void *car_get_var_ptr(void *var); #define CAR_MIGRATE(migrate_fn_) static inline void *car_get_var_ptr(void *var) { return var; } #define car_get_var(var) (var) +#define car_sync_var(var) (var) #define car_set_var(var, val) do { (var) = (val); } while (0) #endif |