tests: stack_api: run in user mode when possible

All non ISR tests now run in user mode.

userspace added to testcase.yaml tag list.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>

tests/kernel/stack/stack_api/src/main.c

@@ -16,12 +16,21 @@ extern void test_stack_thread2thread(void);
 extern void test_stack_thread2isr(void);
 extern void test_stack_pop_fail(void);
 
+extern struct k_stack kstack;
+extern struct k_stack stack;
+extern struct k_thread thread_data;
+extern struct k_sem end_sema;
+K_THREAD_STACK_EXTERN(threadstack);
+
 /*test case main entry*/
 void test_main(void)
 {
+	k_thread_access_grant(k_current_get(), &kstack, &stack, &thread_data,
+			      &end_sema, &threadstack, NULL);
+
 	ztest_test_suite(test_stack_api,
-			 ztest_unit_test(test_stack_thread2thread),
+			 ztest_user_unit_test(test_stack_thread2thread),
 			 ztest_unit_test(test_stack_thread2isr),
-			 ztest_unit_test(test_stack_pop_fail));
+			 ztest_user_unit_test(test_stack_pop_fail));
 	ztest_run_test_suite(test_stack_api);
 }

tests/kernel/stack/stack_api/src/test_stack_contexts.c

@@ -24,12 +24,12 @@
 
 /**TESTPOINT: init via K_STACK_DEFINE*/
 K_STACK_DEFINE(kstack, STACK_LEN);
-static struct k_stack stack;
+__kernel struct k_stack stack;
 
-static K_THREAD_STACK_DEFINE(threadstack, STACK_SIZE);
-static struct k_thread thread_data;
+K_THREAD_STACK_DEFINE(threadstack, STACK_SIZE);
+__kernel struct k_thread thread_data;
 static u32_t data[STACK_LEN] = { 0xABCD, 0x1234 };
-static struct k_sem end_sema;
+__kernel struct k_sem end_sema;
 
 static void tstack_push(struct k_stack *pstack)
 {
@@ -75,7 +75,8 @@ static void tstack_thread_thread(struct k_stack *pstack)
 	/**TESTPOINT: thread-thread data passing via stack*/
 	k_tid_t tid = k_thread_create(&thread_data, threadstack, STACK_SIZE,
 				      tThread_entry, pstack, NULL, NULL,
-				      K_PRIO_PREEMPT(0), 0, 0);
+				      K_PRIO_PREEMPT(0), K_USER |
+				      K_INHERIT_PERMS, 0);
 	tstack_push(pstack);
 	k_sem_take(&end_sema, K_FOREVER);
 

tests/kernel/stack/stack_api/src/test_stack_fail.c

@@ -21,11 +21,11 @@
 #define STACK_LEN 2
 
 static u32_t data[STACK_LEN];
+extern struct k_stack stack;
 
 /*test cases*/
 void test_stack_pop_fail(void *p1, void *p2, void *p3)
 {
-	struct k_stack stack;
 	u32_t rx_data;
 
 	k_stack_init(&stack, data, STACK_LEN);

tests/kernel/stack/stack_api/testcase.yaml

@@ -1,3 +1,3 @@
 tests:
   - test:
-      tags: kernel
+      tags: kernel userspace