lib: ramdetect: Register exception handlers for ARMv8

Register exception handlers to avoid a Synchronous External Abort
that is raised when you try to access a non-memory address on ARMv8.
An exception handler can jump over the faulting instruction.
This is the feature only for QEMU/AArch64.

Signed-off-by: Asami Doi <d0iasm.pub@gmail.com>
Change-Id: I09a306ca307ba4027d9758c3debc2e7c844c66b8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/arch/arm64/Makefile.inc b/src/arch/arm64/Makefile.inc
index 6bb7196805..89cc8780a6 100644
--- a/src/arch/arm64/Makefile.inc
+++ b/src/arch/arm64/Makefile.inc
@@ -107,6 +107,7 @@ romstage-$(CONFIG_ARM64_USE_ARCH_TIMER) += arch_timer.c
 romstage-y += memset.S
 romstage-y += memcpy.S
 romstage-y += memmove.S
+romstage-y += ramdetect.c
 romstage-y += romstage.c
 romstage-y += transition.c transition_asm.S
 
@@ -131,6 +132,7 @@ ramstage-y += div0.c
 ramstage-y += eabi_compat.c
 ramstage-y += boot.c
 ramstage-y += tables.c
+ramstage-y += ramdetect.c
 ramstage-$(CONFIG_ARM64_USE_ARCH_TIMER) += arch_timer.c
 ramstage-y += memset.S
 ramstage-y += memcpy.S