arch/x86/car.ld: Check for out of bound on no-XIP stages
Check that stages running in CAR have their start and end in CAR.
Change-Id: I292aacce564c23d9ae21aa46c5e2f8784fa6a609
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36623
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index 641d892..c291efb 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -117,3 +117,7 @@
_bogus2 = ASSERT(_pagetables == ALIGN(_pagetables, 4096), "_pagetables aren't 4KiB aligned");
#endif
_bogus3 = ASSERT(CONFIG_DCACHE_BSP_STACK_SIZE > 0x0, "BSP stack size not configured");
+#if CONFIG(NO_XIP_EARLY_STAGES) && (ENV_ROMSTAGE || ENV_VERSTAGE)
+_bogus4 = ASSERT(_eprogram <= _car_region_end, "Stage end too high !");
+_bogus5 = ASSERT(_program >= _car_unallocated_start, "Stage start too low!");
+#endif