[RFC v2 04/14] arm: add CONFIG_SDEI build flag

[Heyi Guo]

Integrate SDEI support for arm/aarch64 targets by default, if KVM is
enabled.

Signed-off-by: Heyi Guo <address@hidden>
Cc: Peter Maydell <address@hidden>
Cc: Dave Martin <address@hidden>
Cc: Marc Zyngier <address@hidden>
Cc: Mark Rutland <address@hidden>
Cc: James Morse <address@hidden>
---
 default-configs/arm-softmmu.mak | 1 +
 hw/arm/Kconfig                  | 4 ++++
 target/arm/Makefile.objs        | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak
index 1f2e0e7fde..fc1f2b2ead 100644
--- a/default-configs/arm-softmmu.mak
+++ b/default-configs/arm-softmmu.mak
@@ -40,3 +40,4 @@ CONFIG_FSL_IMX25=y
 CONFIG_FSL_IMX7=y
 CONFIG_FSL_IMX6UL=y
 CONFIG_SEMIHOSTING=y
+CONFIG_SDEI=y
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index c6e7782580..472bc3a75b 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -469,3 +469,7 @@ config ARMSSE_CPUID
 
 config ARMSSE_MHU
     bool
+
+config SDEI
+    bool
+    depends on KVM
diff --git a/target/arm/Makefile.objs b/target/arm/Makefile.objs
index cf26c16f5f..72e01d08dc 100644
--- a/target/arm/Makefile.objs
+++ b/target/arm/Makefile.objs
@@ -11,6 +11,8 @@ obj-$(call land,$(CONFIG_KVM),$(call lnot,$(TARGET_AARCH64))) 
+= kvm32.o
 obj-$(call land,$(CONFIG_KVM),$(TARGET_AARCH64)) += kvm64.o
 obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
 
+obj-$(CONFIG_SDEI) += sdei.o
+
 DECODETREE = $(SRC_PATH)/scripts/decodetree.py
 
 target/arm/decode-sve.inc.c: $(SRC_PATH)/target/arm/sve.decode $(DECODETREE)
-- 
2.19.1