void KernelInit(void)
{
KerStatInit(); /* 커널 상태 초기화 */
PCBListInit(); /* PCB 리스트 초기화 */
ECBListInit(); /* ECB 리스트 초기화 */
//ThreadInit(); /* 리눅스 커널을 이용한 쓰레드 초기화 [리눅스 포트 사용시 활성화] */
procCreate(proc_background, &background_stack[STACK_SIZE - 1], PROC_CNT - 1);
/* 백그라운드 프로세스 생성 */
}
void procSetup(){
int i, j;
//Reset de la tabla de process
for(i = 1 ; i < MAX_PROCESS ; i++){
proc[i].pid = i - MAX_PROCESS;
//Para que el pid pueda referenciarse con %MAX_PROCESS
proc[i].status = FREE;
for(j = 0 ; j < MAX_OPENFILES ; j++)
proc[i].fds[j] = -1;
}
//Reset de la tabla de contextos
for(i = 0 ; i < MAX_PROCESS_CONTEXTS ; i++){
contexs[i].inUse = 0;
}
strcpy(proc[INIT_PROCESS].name, "init");
proc[INIT_PROCESS].semChild = semGetID(0);
proc[INIT_PROCESS].pid = INIT_PROCESS;
proc[INIT_PROCESS].ppid = INIT_PROCESS;
proc[INIT_PROCESS].status = RUNNING;
proc[INIT_PROCESS].attachedTTY = 0;
proc[INIT_PROCESS].fds[STDIN] = IN_0;
proc[INIT_PROCESS].fds[STDOUT] = TTY_0;
proc[INIT_PROCESS].fds[CURSOR] = TTY_CURSOR_0;
proc[INIT_PROCESS].childCount = 0;
int fds[3];
fds[STDIN] = IN_0;
fds[STDOUT] = TTY_0;
fds[CURSOR] = TTY_CURSOR_0;
schedSetUpInit(INIT_PROCESS, "init", 0);
schedStart();
schedSetUpIdle(procCreate("idle", (process_t)idle, (void *)getPage(), NULL,
fds, 3, 0, NULL, 0, 0, 3));
return;
}
/*
* ======== daemon ========
*/
static Int daemon(Void)
{
GT_0trace(curTrace, GT_1CLASS, "daemon> thread created.\n");
for (;;) {
Processor_Handle proc;
switch (getCmd(&proc)) {
case CREATE: {
putReply(procCreate(proc) ? SUCCESS : FAILURE);
break;
}
case DELETE: {
/* GT_1trace(curTrace, GT_ENTER, "daemon(0x%x) deleting ...\n",
* proc);
*/
procDelete(proc);
/* GT_1trace(curTrace, GT_ENTER, "daemon(0x%x) replying ...\n",
* proc);
*/
putReply(SUCCESS);
break;
}
case EXIT: {
//GT_0trace(curTrace, GT_1CLASS, "daemon> thread terminating\n");
putReply(SUCCESS);
return (0);
}
default: {
break;
}
}
}
}
/*
* ======== daemon ========
*/
static Int daemon(Void)
{
Log_print0(Diags_USER1, "[+1] daemon> thread created.");
for (;;) {
Processor_Handle proc;
switch (getCmd(&proc)) {
case CREATE: {
putReply(procCreate(proc) ? SUCCESS : FAILURE);
break;
}
case DELETE: {
/* Log_print1(Diags_USER1, "daemon(0x%x) deleting ...",
* (IArg)proc);
*/
procDelete(proc);
/* Log_print1(Diags_USER1, "daemon(0x%x) replying ...",
* (IArg)proc);
*/
putReply(SUCCESS);
break;
}
case EXIT: {
//Log_print0(Diags_USER1, "daemon> thread terminating");
putReply(SUCCESS);
return (0);
}
default: {
break;
}
}
}
}
/*
* ======== Processor_create ========
*/
Processor_Handle Processor_create(String imageName, String linkCfg,
Processor_Attrs *attrs)
{
Processor_Handle proc = NULL;
Log_print3(Diags_ENTRY, "[+E] Processor_create> "
"Enter(imageName='%s', linkCfg='%s', attrs=0x%x)",
(IArg)imageName, (IArg)linkCfg, (IArg)attrs);
#if MESSAGEQ_ENABLED
/* This implementation requires attrs->name to be provided */
if ((attrs == NULL) || (attrs->cpuId == NULL)) {
Log_print0(Diags_USER7, "[+7] Processor_create> ERROR: invalid attrs");
return (NULL);
}
if ((proc = xdc_runtime_Memory_alloc(NULL, sizeof(Processor_Obj),
0, NULL)) == NULL) {
Log_print0(Diags_USER7, "[+7] Processor_create> "
"ERROR: Memory_alloc failed");
return (NULL);
}
proc->hHeap = NULL;
proc->heapId = (UInt16)Processor_INVALID;
if (!procCreate(proc, attrs->cpuId)) {
Processor_delete(proc);
return (NULL);
}
#endif
Log_print1(Diags_EXIT, "[+X] Processor_create> return (0x%x)", (IArg)proc);
return (proc);
}
int contextCreate(processApi_t context){
int i, *fds = getFDs(schedCurrentProcess());
void *stack = (void*)getPage();
if(stack == NULL)
return -1;
/* Si no seteo fds los heredo de mi padre */
for( i = 0 ; i < MAX_OPENFILES ; i++){
if(context->fds[i] == -1){
context->fds[i] = fds[i];
}
else if(context->fds[i] == -2)
context->fds[i] = -1;
}
int ret = procCreate(context->name, context->process, stack, NULL,
context->fds, MAX_OPENFILES, context->argc, context->argv,
procAttachedTTY(schedCurrentProcess()), 0, context->priority);
if(ret != -1)
contextDestroy(context);
return ret;
}