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Diffstat (limited to 'src/cpu/x86/car.c')
-rw-r--r--src/cpu/x86/car.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/src/cpu/x86/car.c b/src/cpu/x86/car.c
index cca9afd694..9f1a26e3d3 100644
--- a/src/cpu/x86/car.c
+++ b/src/cpu/x86/car.c
@@ -23,6 +23,9 @@
#include <cbmem.h>
#include <arch/early_variables.h>
+#if IS_ENABLED(CONFIG_PLATFORM_USES_FSP)
+#include <drivers/intel/fsp/fsp_util.h>
+#endif
typedef void (* const car_migration_func_t)(void);
extern car_migration_func_t _car_migrate_start;
@@ -41,10 +44,13 @@ extern char _car_data_end[];
*/
static int car_migrated CAR_GLOBAL;
-
+/** @brief returns pointer to a CAR variable, before or after migration.
+ *
+ * @param var pointer to the CAR variable
+ */
void *car_get_var_ptr(void *var)
{
- char *migrated_base;
+ char *migrated_base = NULL;
int offset;
void * _car_start = &_car_data_start;
void * _car_end = &_car_data_end;
@@ -61,12 +67,15 @@ void *car_get_var_ptr(void *var)
return var;
}
+#if IS_ENABLED(CONFIG_PLATFORM_USES_FSP)
+ migrated_base=(char *)find_saved_temp_mem(
+ *(void **)CBMEM_FSP_HOB_PTR);
+#else
migrated_base = cbmem_find(CBMEM_ID_CAR_GLOBALS);
+#endif
- if (migrated_base == NULL) {
- printk(BIOS_ERR, "CAR: Could not find migration base!\n");
- return var;
- }
+ if (migrated_base == NULL)
+ die( "CAR: Could not find migration base!\n");
offset = (char *)var - (char *)_car_start;
@@ -140,7 +149,7 @@ static void do_car_migrate_hooks(void)
void car_migrate_variables(void)
{
- if (!IS_ENABLED(CONFIG_BROKEN_CAR_MIGRATE))
+ if (!IS_ENABLED(CONFIG_BROKEN_CAR_MIGRATE) && !IS_ENABLED(PLATFORM_USES_FSP))
do_car_migrate_variables();
if (!IS_ENABLED(CONFIG_BROKEN_CAR_MIGRATE))