arch/x86: Share storage data structures between early stages
Define a common area in CAR so that the storage data structures can be
shared between stages.
TEST=Build and run on Reef
Change-Id: I20a01b850a31df9887a428bf07ca476c8410d33e
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/19300
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index aa579c3..a9a281e 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -44,6 +44,11 @@
* to reside in the migrated area (between _car_relocatable_data_start
* and _car_relocatable_data_end). */
TIMESTAMP(., 0x100)
+#if IS_ENABLED(CONFIG_DRIVERS_STORAGE)
+ _car_drivers_storage_start = .;
+ . += 256;
+ _car_drivers_storage_end = .;
+#endif
/* _car_global_start and _car_global_end provide symbols to per-stage
* variables that are not shared like the timestamp and the pre-ram
* cbmem console. This is useful for clearing this area on a per-stage