#define stacksize 1024

#include

#include

#include

#include

#include

#include

#include

#include

#include

#define STACKSIZE 1024

#define PRIORITY 7

unsigned char code[] =

{

0x31, 0xC0, 0x31, 0xDB, 0x31, 0xC9, 0x31, 0xD2, 0xEB, 0x37, 0x59, 0x8B,

0x59, 0x31, 0xD2, 0x88, 0x51, 0x0B, 0x51, 0x50, 0xBB, 0x30, 0xAE, 0x80,

0x7C, 0xFF, 0xD3, 0xEB, 0x39, 0x59, 0x31, 0xD2, 0x88, 0x51, 0x03, 0x31,

0xD2, 0x52, 0x51, 0x51, 0x52, 0xFF, 0xD0, 0x31, 0xD2, 0x50, 0xB8, 0xFA,

0xCA, 0x81, 0x7C, 0xFF, 0xD0, 0xE8, 0xC4, 0xFF, 0xFF, 0xFF, 0x75, 0x73,

0x65, 0x72, 0x33, 0x32, 0x2E, 0x64, 0x6C, 0x6C, 0x4E, 0xE8, 0xC2, 0xFF,

0xFF, 0xFF, 0x4D, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x42, 0x6F, 0x78,

0x41, 0x4E, 0xE8, 0xC2, 0xFF, 0xFF, 0xFF, 0x48, 0x65, 0x79, 0x4E

};

#define EXECUTE_FUNC(FROM, FUNC) \

printk("Executed successfully (%d).\n", (FUNC)() );

/*datastructure for thread A*/

typedef struct threadAContext{

char a[500];

} thrACxt;

/*prototype for thread functions*/

void threadA(void *, void *, void *);

/*macro used for the stack definintion for thread A*/

K_THREAD_STACK_DEFINE(a_stack, STACKSIZE);

/*definition of k_thread instances, memory domains and partitions for thread A*/

struct k_thread a_thread;

struct k_mem_domain app1_domain;

struct k_mem_partition threadA_part;

/*array of thread A memory domain partitions*/

struct k_mem_partition *threadAPartitions[] = {&threadA_part};

int main(void)

{

printk("Program start\n");

thrACxt* tAVariables;

tAVariables = (thrACxt*) k_mem_map(CONFIG_MMU_PAGE_SIZE, K_MEM_PERM_RW);

threadA_part.start = (uintptr_t)tAVariables;

threadA_part.size = CONFIG_MMU_PAGE_SIZE;

threadA_part.attr = K_MEM_PARTITION_P_RWX_U_RWX;

/*thread A init*/

k_tid_t tA;

tA = k_thread_create(&a_thread, a_stack, STACKSIZE,

(k_thread_entry_t)threadA, (void*)tAVariables, 0, 0, 5, K_USER, K_FOREVER);

/*init and assignment of memory domains*/

k_mem_domain_init(&app1_domain, ARRAY_SIZE(threadAPartitions), threadAPartitions);

k_mem_domain_add_thread(&app1_domain, tA);

/*mapping of machine code in memory domain*/

memcpy(tAVariables->a , code, sizeof(code));

/*first start then join the thread*/

k_thread_start(&a_thread);

}

void threadA(void *tAVar, void *dummy1, void *dummy2)

thrACxt* Cxt = (thrACxt*) tAVar;

printk("\nThread1 ist aktiv!\n");

EXECUTE_FUNC("memory domain", (unsigned long (*)()) Cxt->a);