int task_create_process(void (*p)(char*),
void (*cleanup)(void*),
const char * path_arg,
task_memories_t * mem,
void * reent_ptr,
int parent_id){
int tid;
int err;
void * stackaddr;
new_task_t task;
task_memories_t task_memories;
static int task_process_counter = 1;
//Variable initialization
stackaddr = mem->data.addr + mem->data.size;
//Check the stack alignment
if ( (unsigned int)stackaddr & 0x03 ){
errno = EIO;
return -1;
}
//Initialize the task
task.stackaddr = stackaddr;
task.start = (uint32_t)p;
task.stop = (uint32_t)cleanup;
task.r0 = (uint32_t)path_arg;
task.r1 = (uint32_t)0;
task.pid = task_process_counter++; //Assign a new pid
task.reent = (struct _reent*)reent_ptr;
task.global_reent = task.reent;
task.flags = TASK_FLAGS_USED;
task.parent = task_get_current();
task.priority = 0;
task.parent = parent_id;
memcpy(&task_memories, mem, sizeof(task_memories_t));
if ( (err = task_mpu_calc_protection(&task_memories)) < 0 ){
return err;
}
task.mem = &task_memories;
//Do a priv call while accessing the task table so there are no interruptions
cortexm_svcall( (cortexm_svcall_t)task_root_new_task, &task);
tid = task.tid;
return tid;
}
int task_new_process(void (*p)(int,char*const*),
void (*cleanup)(void*),
int argc,
char *const argv[],
task_memories_t * mem,
void * reent_ptr){
int tid;
int err;
void * stackaddr;
new_task_t task;
task_memories_t task_memories;
static int task_process_counter = 1;
//Variable initialization
stackaddr = mem->data.addr + mem->data.size;
//Check the stack alignment
if ( (unsigned int)stackaddr & 0x03 ){
errno = EIO;
return -1;
}
//Initialize the task
task.stackaddr = stackaddr;
task.start = (uint32_t)p;
task.stop = (uint32_t)cleanup;
task.r0 = (uint32_t)argc;
task.r1 = (uint32_t)argv;
task.pid = task_process_counter++; //Assign a new pid
//task.mem_size = mem_size;
task.reent = (struct _reent*)reent_ptr;
task.global_reent = task.reent;
task.flags = TASK_FLAGS_USED |
TASK_FLAGS_PARENT(task_current);
memcpy(&task_memories, mem, sizeof(task_memories_t));
if ( (err = task_mpu_calc_protection(&task_memories)) < 0 ){
return err;
}
task.mem = &task_memories;
//Do a priv call while accessing the task table so there are no interruptions
hwpl_core_privcall( (core_privcall_t)task_priv_new_task, &task);
tid = task.tid;
return tid;
}
