cmake: emu: Add arm fvp emulator

Add arm fvp emulator in order to use ninja run or west build -t run.
Add armfvp in order to run twister.

Set env ARMFVP_BIN_PATH before using it,
e.g. export ARMFVP_BIN_PATH=<path/to/fvp/dir>
NOTE: ARMFVP_BIN_PATH is the dir path.

Signed-off-by: Jaxson Han <jaxson.han@arm.com>

cmake/emu/armfvp.cmake

@@ -0,0 +1,22 @@
+# Copyright (c) 2021 Arm Limited (or its affiliates). All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+set(armfvp_bin_path $ENV{ARMFVP_BIN_PATH})
+
+find_program(
+  ARMFVP
+  PATHS ${armfvp_bin_path}
+  NO_DEFAULT_PATH
+  NAMES ${ARMFVP_BIN_NAME}
+  )
+
+add_custom_target(run
+  COMMAND
+  ${ARMFVP}
+  ${ARMFVP_FLAGS}
+  -a ${APPLICATION_BINARY_DIR}/zephyr/${KERNEL_ELF_NAME}
+  DEPENDS ${ARMFVP} ${logical_target_for_zephyr_elf}
+  WORKING_DIRECTORY ${APPLICATION_BINARY_DIR}
+  COMMENT "FVP: ${ARMFVP}"
+  USES_TERMINAL
+  )

scripts/pylib/twister/twisterlib.py

@@ -1810,7 +1810,7 @@ class TestInstance(DisablePyTestCollectionMixin):
 
         target_ready = bool(self.testcase.type == "unit" or \
                         self.platform.type == "native" or \
-                        self.platform.simulation in ["mdb-nsim", "nsim", "renode", "qemu", "tsim"] or \
+                        self.platform.simulation in ["mdb-nsim", "nsim", "renode", "qemu", "tsim", "armfvp"] or \
                         filter == 'runnable')
 
         if self.platform.simulation == "nsim":
@@ -2268,6 +2268,9 @@ class ProjectBuilder(FilterBuilder):
                 instance.handler = BinaryHandler(instance, "nsim")
                 instance.handler.pid_fn = os.path.join(instance.build_dir, "mdb.pid")
                 instance.handler.call_west_flash = True
+        elif instance.platform.simulation == "armfvp":
+            instance.handler = BinaryHandler(instance, "armfvp")
+            instance.handler.call_make_run = True
 
         if instance.handler:
             instance.handler.args = args

scripts/schemas/twister/platform-schema.yaml

@@ -20,7 +20,7 @@ mapping:
     enum: ["mcu", "qemu", "sim", "unit", "native"]
   "simulation":
     type: str
-    enum: ["qemu", "simics", "xt-sim", "renode", "nsim", "mdb-nsim", "tsim"]
+    enum: ["qemu", "simics", "xt-sim", "renode", "nsim", "mdb-nsim", "tsim", "armfvp"]
   "arch":
     type: str
   "toolchain":