diff --git a/test/security_manager/Makefile b/test/security_manager/Makefile
index dcd582fa7..78ce4012a 100644
--- a/test/security_manager/Makefile
+++ b/test/security_manager/Makefile
@@ -6,16 +6,19 @@ BTSTACK_ROOT =  ../..
 
 CFLAGS  = -DUNIT_TEST -g
 CPPFLAGS =  -x c++ -Wall -Wno-unused
-CFLAGS += -I. -I.. -I${BTSTACK_ROOT}/src -I${BTSTACK_ROOT}/platform/posix
+CFLAGS += -I. -I.. -I${BTSTACK_ROOT}/src
+#CFLAGS += -I${BTSTACK_ROOT}/platform/posix
+CFLAGS += -I${BTSTACK_ROOT}/platform/embedded
 CFLAGS += -I${BTSTACK_ROOT}/3rd-party/mbedtls/include
 CFLAGS += -I${BTSTACK_ROOT}/3rd-party/micro-ecc
 CFLAGS += -I${BTSTACK_ROOT}/3rd-party/rijndael
-CFLAGS += -fprofile-arcs -ftest-coverage -fsanitize=address,undefined
+# CFLAGS += -fprofile-arcs -ftest-coverage -fsanitize=address,undefined
 LDFLAGS +=  -lCppUTest -lCppUTestExt
 
 VPATH += ${BTSTACK_ROOT}/src
 VPATH += ${BTSTACK_ROOT}/src/ble 
-VPATH += ${BTSTACK_ROOT}/platform/posix
+VPATH += ${BTSTACK_ROOT}/platform/embedded
+# VPATH += ${BTSTACK_ROOT}/platform/posix
 VPATH += ${BTSTACK_ROOT}/3rd-party/micro-ecc
 VPATH += ${BTSTACK_ROOT}/3rd-party/rijndael
 
@@ -25,7 +28,7 @@ COMMON = \
 	btstack_memory.c			\
 	btstack_memory_pool.c		\
 	btstack_run_loop.c			\
-	btstack_run_loop_posix.c    \
+	btstack_run_loop_embedded.c \
 	hci_cmd.c					\
 	hci_dump.c					\
 	le_device_db_memory.c       \
diff --git a/test/security_manager/btstack_config.h b/test/security_manager/btstack_config.h
index 4d7a74fe3..701676fd7 100644
--- a/test/security_manager/btstack_config.h
+++ b/test/security_manager/btstack_config.h
@@ -7,7 +7,7 @@
 
 // Port related features
 #define HAVE_MALLOC
-#define HAVE_POSIX_TIME
+#define HAVE_EMBEDDED_TIME_MS
 #define HAVE_POSIX_FILE_IO
 #define HAVE_BTSTACK_STDIN
 
diff --git a/test/security_manager/mock.c b/test/security_manager/mock.c
index bf856151d..b61c3456e 100644
--- a/test/security_manager/mock.c
+++ b/test/security_manager/mock.c
@@ -9,6 +9,7 @@
 #include "l2cap.h"
 #include "rijndael.h"
 #include "btstack_linked_list.h"
+#include "btstack_run_loop_embedded.h"
 
 static btstack_packet_handler_t le_data_handler;
 
@@ -97,6 +98,9 @@ void mock_simulate_sm_data_packet(uint8_t * packet, uint16_t len){
 	hci_dump_packet(HCI_ACL_DATA_PACKET, 1, &acl_buffer[0], len + 8);
 
 	le_data_handler(SM_DATA_PACKET, handle, packet, len);
+
+	// process queued callbacks, might become obsolete after queued callback integration in run loop
+	btstack_run_loop_embedded_execute_once();
 }
 
 void mock_simulate_command_complete(const hci_cmd_t *cmd){
@@ -264,3 +268,14 @@ void l2cap_run(void){
 HCI_STATE hci_get_state(void){
 	return HCI_STATE_WORKING;
 }
+
+#include "hal_cpu.h"
+void hal_cpu_disable_irqs(void){}
+void hal_cpu_enable_irqs(void){}
+void hal_cpu_enable_irqs_and_sleep(void){}
+
+#include "hal_time_ms.h"
+static uint32_t time_ms;
+uint32_t hal_time_ms(void){
+	return time_ms++;
+}
diff --git a/test/security_manager/security_manager.c b/test/security_manager/security_manager.c
index 7348eb3b3..07eb28036 100644
--- a/test/security_manager/security_manager.c
+++ b/test/security_manager/security_manager.c
@@ -14,7 +14,7 @@
 #include "CppUTest/TestHarness.h"
 #include "CppUTest/CommandLineTestRunner.h"
 
-#include "btstack_run_loop_posix.h"
+#include "btstack_run_loop_embedded.h"
 
 #include "hci_cmd.h"
 #include "btstack_util.h"
@@ -244,7 +244,7 @@ TEST_GROUP(SecurityManager){
         if (first){
             first = 0;
             btstack_memory_init();
-            btstack_run_loop_init(btstack_run_loop_posix_get_instance());
+            btstack_run_loop_init(btstack_run_loop_embedded_get_instance());
         }
 	    sm_init();
 	    sm_set_io_capabilities(IO_CAPABILITY_NO_INPUT_NO_OUTPUT);