void p_pos_initTask(POSTASK_t task,
void *user,
POSTASKFUNC_t funcptr,
void *funcarg) {
uint8_t *stackPtr = (uint8_t*)user;
constructStackFrame(task, stackPtr, funcptr, funcarg);
}
VAR_t p_pos_initTask(POSTASK_t task,
POSTASKFUNC_t funcptr,
void *funcarg) {
// Stack pointer is in the stack memory
// (with fixed size) in the task structure.
uint8_t *stackPtr = (task->stack) + (FIXED_STACK_SIZE-1);
constructStackFrame(task, stackPtr, funcptr, funcarg);
return 0;
}
VAR_t p_pos_initTask(POSTASK_t task,
POSTASKFUNC_t funcptr,
void *funcarg)
{
unsigned int z;
#if POSCFG_ARGCHECK > 1
memset(task->stack, PORT_STACK_MAGIC, PORTCFG_FIXED_STACK_SIZE);
#endif
z = (unsigned int)task->stack + PORTCFG_FIXED_STACK_SIZE - 2;
constructStackFrame(task, (void*)z, funcptr, funcarg);
return 0;
}
VAR_t p_pos_initTask(POSTASK_t task,
UINT_t stacksize,
POSTASKFUNC_t funcptr,
void *funcarg) {
uint8_t *stackPtr = my_malloc(stacksize);
if (stackPtr == NULL) {
return -1;
}
task->stackroot = stackPtr;
stackPtr += stacksize - 1;
constructStackFrame(task, stackPtr, funcptr, funcarg);
return 0;
}
VAR_t p_pos_initTask(POSTASK_t task, UINT_t stacksize, POSTASKFUNC_t funcptr, void *funcarg)
{
unsigned int z;
stacksize = STACK_ALIGN_UP(stacksize);
task->stack = NOS_MEM_ALLOC(stacksize);
if (task->stack == NULL)
return -1;
task->stackSize = stacksize;
#if POSCFG_ARGCHECK > 1
nosMemSet(task->stack, PORT_STACK_MAGIC, stacksize);
#endif
z = (unsigned int) task->stack + stacksize;
constructStackFrame(task, (void*) z, funcptr, funcarg);
return 0;
}
