arch/x86: Add CAR stack location symbols
Add symbols for the non C_ENVIRONMENT_BOOTBLOCK builds
and use them for stack guards.
Change-Id: Ib622eacb161d9a110d35a7d6979d1b601503b6f4
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30491
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index 8665682..2f0ce50 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -86,6 +86,10 @@
_car_global_end = .;
_car_relocatable_data_end = .;
+#if !IS_ENABLED(CONFIG_C_ENVIRONMENT_BOOTBLOCK)
+ _car_stack_start = .;
+ _car_stack_end = _car_region_end;
+#endif
_car_region_end = . + CONFIG_DCACHE_RAM_SIZE - (. - _car_region_start);
}