main.c File Reference

#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#include <zephyr/kernel_structs.h>
#include <string.h>
#include <stdlib.h>
#include <zephyr/app_memory/app_memdomain.h>
#include <zephyr/sys/util.h>
#include <zephyr/sys/barrier.h>
#include <zephyr/debug/stack.h>
#include <zephyr/internal/syscall_handler.h>
#include "test_syscall.h"
#include <zephyr/sys/libc-hooks.h>
#include <zephyr/linker/linker-defs.h>
#include <zephyr/syscalls/check_syscall_context_mrsh.c>

Macros
#define	INFO(fmt, ...)
#define	PIPE_LEN   1
#define	BYTES_TO_READ_WRITE   1
#define	STACKSIZE   (256 + CONFIG_TEST_EXTRA_STACK_SIZE)
#define	test_oops(provided, expected)
#define	KERNEL_ONLY_THREAD_STACK_SIZE   (ROUND_UP(1024, CONFIG_MMU_PAGE_SIZE))

Functions
	K_SEM_DEFINE (test_revoke_sem, 0, 1)
	K_APPMEM_PARTITION_DEFINE (default_part)
	K_APP_BMEM (default_part)
	Test to pass a user object to system call.
static void	set_fault (unsigned int reason)
void	k_sys_fatal_error_handler (unsigned int reason, const struct arch_esf *pEsf)
	Fatal error policy handler.
void	test_is_usermode (void)
	Test to check if the thread is in user mode.
void	test_write_control (void)
	Test to write to a control register.
void	test_disable_mmu_mpu (void)
	Test to disable memory protection.
void	test_read_kernram (void)
	Test to read from kernel RAM.
void	test_write_kernram (void)
	Test to write to kernel RAM.
void	test_write_kernro (void)
	Test to write kernel RO.
void	test_write_kerntext (void)
	Test to write to kernel text section.
void	test_read_kernel_data (void)
	Test to read from kernel data section.
void	test_write_kernel_data (void)
	Test to write to kernel data section.
	K_APP_DMEM (default_part) volatile
	Test to read privileged stack.
void	test_write_priv_stack (void)
	Test to write to privilege stack.
void	test_pass_noperms_object (void)
	Test to pass object to a system call without permissions.
void	thread_body (void *p1, void *p2, void *p3)
void	test_start_kernel_thread (void)
	Test to start kernel thread from usermode.
static void	uthread_read_body (void *p1, void *p2, void *p3)
static void	uthread_write_body (void *p1, void *p2, void *p3)
void	test_read_other_stack (void)
	Test to read from another thread's stack.
void	test_write_other_stack (void)
	Test to write to other thread's stack.
void	test_revoke_noperms_object (void)
	Test to revoke access to kobject without permission.
void	test_access_after_revoke (void)
	Test to access object after revoking access.
static void	umode_enter_func (void *p1, void *p2, void *p3)
void	test_user_mode_enter (void)
	Test to check supervisor thread enter one-way to usermode.
	K_PIPE_DEFINE (kpipe, 1, 1)
void	test_write_kobject_user_pipe (void)
	Test to write to kobject using pipe.
void	test_read_kobject_user_pipe (void)
	Test to read from kobject using pipe.
static void	user_half (void *arg1, void *arg2, void *arg3)
static void	spawn_user (volatile bool *to_modify)
static void	drop_user (volatile bool *to_modify)
void	test_1st_init_and_access_other_memdomain (void)
	Test creation of new memory domains.
void	test_domain_add_thread_drop_to_user (void)
	Show that changing between memory domains and dropping to user mode works as expected.
void	test_domain_add_part_drop_to_user (void)
void	test_domain_remove_part_drop_to_user (void)
	Show that self-removing a partition from a domain we are a member of, and then dropping to user mode faults as expected.
void	test_domain_add_thread_context_switch (void)
	Show that changing between memory domains and then switching to another thread in the same domain works as expected.
void	test_domain_add_part_context_switch (void)
void	test_domain_remove_part_context_switch (void)
	Show that self-removing a partition from a domain we are a member of, and then switching to another user thread in the same domain faults as expected.
void	test_unimplemented_syscall (void)
	Test unimplemented system call.
void	test_bad_syscall (void)
	Test bad syscall handler.
void	test_object_recycle (void)
	Test recycle object.
void	test_oops_panic (void)
void	test_oops_oops (void)
void	test_oops_exception (void)
void	test_oops_maxint (void)
void	test_oops_stackcheck (void)
void	test_syscall_context (void)
void	test_tls_leakage (void)
void	test_tls_pointer (void)
void	kernel_only_thread_entry (void *p1, void *p2, void *p3)
static	K_KERNEL_THREAD_DEFINE (kernel_only_thread,(ROUND_UP(1024, CONFIG_MMU_PAGE_SIZE)), kernel_only_thread_entry, NULL, NULL, NULL, 0, 0, 0)
void	test_kernel_only_thread (void)
void *	userspace_setup (void)
	ZTEST_SUITE (userspace, NULL, userspace_setup, NULL, NULL, NULL)
	ZTEST_SUITE (userspace_domain, NULL, NULL, NULL, NULL, NULL)
	ZTEST_SUITE (userspace_domain_ctx, NULL, NULL, NULL, NULL, NULL)

Variables
struct k_mem_domain	alternate_domain
static ZTEST_BMEM volatile bool	expect_fault
static ZTEST_BMEM volatile unsigned int	expected_reason
static int	kernel_data
static struct k_sem	ksem
k_thread_stack_t	ztest_thread_stack []
static struct k_sem	recycle_sem

Macro Definition Documentation

BYTES_TO_READ_WRITE

#define BYTES_TO_READ_WRITE   1

INFO

#define INFO	(		fmt,
			... )

Value:

printk(fmt, ##__VA_ARGS__)

KERNEL_ONLY_THREAD_STACK_SIZE

#define KERNEL_ONLY_THREAD_STACK_SIZE   (ROUND_UP(1024, CONFIG_MMU_PAGE_SIZE))

PIPE_LEN

#define PIPE_LEN   1

STACKSIZE

#define STACKSIZE   (256 + CONFIG_TEST_EXTRA_STACK_SIZE)

test_oops

#define test_oops	(		provided,
			expected )

Value:

        do { \
        expect_fault = true; \
        expected_reason = expected; \
        z_except_reason(provided); \
} while (false)

Function Documentation

drop_user()

static void drop_user ( volatile bool * to_modify )

static

K_APPMEM_PARTITION_DEFINE()

K_APPMEM_PARTITION_DEFINE

(

default_part

)

K_KERNEL_THREAD_DEFINE()

static K_KERNEL_THREAD_DEFINE ( kernel_only_thread , (ROUND_UP(1024, CONFIG_MMU_PAGE_SIZE)) , kernel_only_thread_entry , NULL , NULL , NULL , 0 , 0 , 0  )

static

K_PIPE_DEFINE()

K_PIPE_DEFINE	(	kpipe	,
		1	,
		1	)

K_SEM_DEFINE()

K_SEM_DEFINE	(	test_revoke_sem	,
		0	,
		1	)

kernel_only_thread_entry()

void kernel_only_thread_entry	(	void *	p1,
		void *	p2,
		void *	p3 )

set_fault()

static void set_fault ( unsigned int reason )

static

spawn_user()

static void spawn_user ( volatile bool * to_modify )

static

test_domain_add_part_context_switch()

void test_domain_add_part_context_switch

(

void

)

test_domain_add_part_drop_to_user()

void test_domain_add_part_drop_to_user

(

void

)

test_kernel_only_thread()

void test_kernel_only_thread

(

void

)

test_oops_exception()

void test_oops_exception

(

void

)

test_oops_maxint()

void test_oops_maxint

(

void

)

test_oops_oops()

void test_oops_oops

(

void

)

test_oops_panic()

void test_oops_panic

(

void

)

test_oops_stackcheck()

void test_oops_stackcheck

(

void

)

test_syscall_context()

void test_syscall_context

(

void

)

test_tls_leakage()

void test_tls_leakage

(

void

)

test_tls_pointer()

void test_tls_pointer

(

void

)

thread_body()

void thread_body	(	void *	p1,
		void *	p2,
		void *	p3 )

umode_enter_func()

static void umode_enter_func ( void * p1, void * p2, void * p3 )

static

user_half()

static void user_half ( void * arg1, void * arg2, void * arg3 )

static

userspace_setup()

void * userspace_setup

(

void

)

uthread_read_body()

static void uthread_read_body ( void * p1, void * p2, void * p3 )

static

uthread_write_body()

static void uthread_write_body ( void * p1, void * p2, void * p3 )

static

ZTEST_SUITE() [1/3]

ZTEST_SUITE	(	userspace	,
		NULL	,
		userspace_setup	,
		NULL	,
		NULL	,
		NULL	)

ZTEST_SUITE() [2/3]

ZTEST_SUITE	(	userspace_domain	,
		NULL	,
		NULL	,
		NULL	,
		NULL	,
		NULL	)

ZTEST_SUITE() [3/3]

ZTEST_SUITE	(	userspace_domain_ctx	,
		NULL	,
		NULL	,
		NULL	,
		NULL	,
		NULL	)

Variable Documentation

alternate_domain

struct k_mem_domain alternate_domain

expect_fault

ZTEST_BMEM volatile bool expect_fault

static

expected_reason

ZTEST_BMEM volatile unsigned int expected_reason

static

kernel_data

int kernel_data

static

ksem

struct k_sem ksem

static

recycle_sem

struct k_sem recycle_sem

static

ztest_thread_stack

k_thread_stack_t ztest_thread_stack[]

extern