//Sets up the PCB by setting the structure to the information necessary
PCB *setupPCB(char* processName, int PCBclass, int priority){
PCB *newPCB = allocatePCB();
strcpy(newPCB->processName, processName);
newPCB->PCBclass = PCBclass;
newPCB->priority = priority;
newPCB->suspended = 0;
newPCB->state = 2;
return newPCB;
}
void createProcess (unsigned int ds,unsigned int ss, unsigned int stackTop, unsigned int cs ,
unsigned int processEntry)
{
unsigned int *st;
st= (unsigned int *) stackTop;
st=st-1;
*st=0x0000;
st=st-1;
*st=cs;
st=st-1;
*st=processEntry;
st = st - 1;
*st = 0; //ebp
st=st-1;
*st=0; //esp
st=st-1;
*st=0; //edi
st=st-1;
*st=0; //esi
st=st-1;
*st=0; //edx
st=st-1;
*st=0; //ecx
st=st-1;
*st=0; // ebx
st=st-1;
*st=0; // eax
st=st-1;
*st=ds; //ds
st=st-1;
*st=ds; //es
st=st-1;
*st=ds; //fs
st=st-1;
*st=ds; //gs
pcb=allocatePCB();
pcb->ss=ss;
pcb->esp= (unsigned int) st;
enqueue(pcb);
}
void createProcess(uint32_t ds, uint32_t ss, uint32_t* stackTop, uint32_t cs, uint32_t processEntry){
uint32_t* sp = stackTop;
// eflags
*(sp--) = 0x200;
// cs
*(sp--) = cs;
// entry
*(sp--) = processEntry;
//ebp
*(sp--) = 0;
//esp
*(sp--) = 0;
//edi
*(sp--) = 0;
//esi
*(sp--) = 0;
//edx
*(sp--) = 0;
//ecx
*(sp--) = 0;
//ebx
*(sp--) = 0;
//eax
*(sp--) = 0;
//ds
*(sp--) = ds;
//es - video
*(sp--) = ds;
//fs
*(sp--) = ds;
//gs
*(sp) = ds;
pcb_t* t = allocatePCB();
t->id = pcb_next;
t->ss = ss;
t->esp = (uint32_t) sp;
curr = t;
//enqueueQ(&mtest);
enqueue();
curr = null;
}
