mirror of
https://github.com/drasko/codezero.git
synced 2026-01-16 12:53:16 +01:00
151 lines
3.0 KiB
C
151 lines
3.0 KiB
C
#include <thread.h>
|
|
#include <capability.h>
|
|
#include <container.h>
|
|
#include <tests.h>
|
|
#include <l4/api/errno.h>
|
|
static int result = 1;
|
|
|
|
int simple_pager_thread(void *arg)
|
|
{
|
|
int err;
|
|
int res = *(int *)arg;
|
|
struct task_ids ids;
|
|
int testres;
|
|
|
|
l4_getid(&ids);
|
|
|
|
//printf("Thread spawned from pager, "
|
|
// "trying to create new thread.\n");
|
|
err = l4_thread_control(THREAD_CREATE |
|
|
TC_SHARE_SPACE |
|
|
TC_AS_PAGER, &ids);
|
|
|
|
if (res == 0)
|
|
if (err == -ENOCAP ||
|
|
err == -ENOMEM) {
|
|
//printf("Creation failed with %d "
|
|
// "as expected.\n", err);
|
|
testres = 0;
|
|
} else {
|
|
printf("Creation was supposed to fail "
|
|
"with %d or %d, but err = %d\n",
|
|
-ENOMEM, -ENOCAP, err);
|
|
testres = -1;
|
|
}
|
|
else
|
|
if (err == 0) {
|
|
// printf("Creation succeeded as expected.\n");
|
|
testres = 0;
|
|
} else {
|
|
printf("Creation was supposed to succeed, "
|
|
"but err = %d\n", err);
|
|
testres = -1;
|
|
}
|
|
|
|
/* Destroy thread we created */
|
|
if (err == 0 &&
|
|
res == 0)
|
|
l4_thread_control(THREAD_DESTROY, &ids);
|
|
|
|
result = testres;
|
|
|
|
/* Destroy self */
|
|
l4_getid(&ids);
|
|
l4_thread_control(THREAD_DESTROY, &ids);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int wait_check_test(void)
|
|
{
|
|
/* Wait for thread to finish */
|
|
while (result > 0)
|
|
;
|
|
//l4_thread_switch(0);
|
|
|
|
if (result != 0) {
|
|
printf("Top-level test has failed\n");
|
|
return -1;
|
|
}
|
|
result = 1;
|
|
return 0;
|
|
}
|
|
|
|
int capability_test(void)
|
|
{
|
|
int err;
|
|
struct task_ids ids;
|
|
int TEST_MUST_FAIL = 0;
|
|
int TEST_MUST_SUCCEED = 1;
|
|
|
|
/* Read pager capabilities */
|
|
caps_read_all();
|
|
|
|
/*
|
|
* Create new thread that will attempt
|
|
* a pager privileged operation
|
|
*/
|
|
if ((err = thread_create(simple_pager_thread,
|
|
&TEST_MUST_FAIL,
|
|
TC_SHARE_SPACE |
|
|
TC_AS_PAGER, &ids)) < 0) {
|
|
printf("Top-level simple_pager creation failed.\n");
|
|
goto out_err;
|
|
}
|
|
|
|
/* Wait for test to finish and check result */
|
|
if (wait_check_test() < 0)
|
|
goto out_err;
|
|
|
|
#if 0
|
|
/* Destroy test thread */
|
|
if ((err = l4_thread_control(THREAD_DESTROY, &ids)) < 0) {
|
|
printf("Destruction of top-level simple_pager failed.\n");
|
|
BUG();
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Share operations with the same thread
|
|
* group
|
|
*/
|
|
if ((err = l4_capability_control(CAP_CONTROL_SHARE,
|
|
CAP_SHARE_GROUP, 0)) < 0) {
|
|
printf("Sharing capability with thread group failed.\n");
|
|
goto out_err;
|
|
}
|
|
|
|
/*
|
|
* Create new thread that will attempt a pager privileged
|
|
* operation. This should succeed as we shared caps with
|
|
* the thread group.
|
|
*/
|
|
if ((err = thread_create(simple_pager_thread,
|
|
&TEST_MUST_SUCCEED,
|
|
TC_SHARE_SPACE |
|
|
TC_SHARE_GROUP, &ids)) < 0) {
|
|
printf("Top-level simple_pager creation failed.\n");
|
|
goto out_err;
|
|
}
|
|
|
|
/* Wait for test to finish and check result */
|
|
if (wait_check_test() < 0)
|
|
goto out_err;
|
|
|
|
#if 0
|
|
/* Destroy test thread */
|
|
if ((err = l4_thread_control(THREAD_DESTROY, &ids)) < 0) {
|
|
printf("Destruction of top-level simple_pager failed.\n");
|
|
BUG();
|
|
}
|
|
#endif
|
|
|
|
printf("Capability Sharing Test -- PASSED --\n");
|
|
|
|
return 0;
|
|
|
|
out_err:
|
|
printf("Capability Sharing Test -- FAILED --\n");
|
|
return 0;
|
|
}
|