patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 8 Packages Projects Releases Wiki Activity

tests: threads/thread_stack: extend tests for mapped stack

Browse source 
This extends the test for memory mapped stack, as the address of
memory mapped stack object would be different than the actual
stack object.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2024-03-14 12:49:45 -07:00 committed by Anas Nashif
parent 0b3a4f35d0
commit cfbbcac3f7
1 changed files with 35 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
tests/kernel/threads/thread_stack/src/main.c
View file

@ -66,6 +66,10 @@ static inline int z_vrfy_check_perms(void *addr, size_t size, int write)
ZTEST_BMEM struct scenario_data {
k_thread_stack_t *stack;
#ifdef CONFIG_THREAD_STACK_MEM_MAPPED
k_thread_stack_t *stack_mapped;
#endif
/* If this was declared with K_THREAD_STACK_DEFINE and not
* K_KERNEL_STACK_DEFINE
*/
@ -89,7 +93,7 @@ ZTEST_BMEM struct scenario_data {
void stack_buffer_scenarios(void)
{
k_thread_stack_t *stack_obj = scenario_data.stack;
k_thread_stack_t *stack_obj;
size_t obj_size = scenario_data.object_size;
size_t stack_size, unused, carveout, reserved, alignment, adjusted;
uint8_t val = 0;
@ -97,10 +101,18 @@ void stack_buffer_scenarios(void)
char *stack_buf;
volatile char *pos;
int ret, expected;
uintptr_t base = (uintptr_t)stack_obj;
uintptr_t base;
bool is_usermode;
long int end_space;
#ifdef CONFIG_THREAD_STACK_MEM_MAPPED
stack_obj = scenario_data.stack_mapped;
#else
stack_obj = scenario_data.stack;
#endif
base = (uintptr_t)stack_obj;
#ifdef CONFIG_USERSPACE
is_usermode = arch_is_user_context();
#else
@ -211,8 +223,10 @@ void stack_buffer_scenarios(void)
stack_size);
}
#endif
carveout = stack_start - stack_buf;
printk(" - Carved-out space in buffer: %zu\n", carveout);
zassert_true(carveout < stack_size,
"Suspicious carve-out space reported");
/* 0 unless this is a stack array */
@ -318,13 +332,29 @@ void stest_thread_launch(uint32_t flags, bool drop)
k_thread_create(&test_thread, scenario_data.stack, STEST_STACKSIZE,
stest_thread_entry,
(void *)drop, NULL, NULL,
-1, flags, K_NO_WAIT);
-1, flags, K_FOREVER);
#ifdef CONFIG_THREAD_STACK_MEM_MAPPED
scenario_data.stack_mapped = test_thread.stack_info.mapped.addr;
printk(" - Memory mapped stack object %p\n", scenario_data.stack_mapped);
#endif /* CONFIG_THREAD_STACK_MEM_MAPPED */
k_thread_start(&test_thread);
k_thread_join(&test_thread, K_FOREVER);
ret = k_thread_stack_space_get(&test_thread, &unused);
#ifdef CONFIG_THREAD_STACK_MEM_MAPPED
if (ret == -EINVAL) {
printk("! cannot report unused stack space due to stack no longer mapped.\n");
} else
#endif /* CONFIG_THREAD_STACK_MEM_MAPPED */
{
zassert_equal(ret, 0, "failed to calculate unused stack space\n");
printk("target thread unused stack space: %zu\n", unused);
}
}
void scenario_entry(void *stack_obj, size_t obj_size, size_t reported_size,
size_t declared_size, bool is_array)