idk what im doing

src/PCB.c

@@ -31,7 +31,9 @@ void schedule()
     {
     {
         curproc=(curproc<NUM_PROCS-1)?curproc+1:0;
         curproc=(curproc<NUM_PROCS-1)?curproc+1:0;
     }
     }
+    serial_writestring("about to switch\n");
     context_switch(&procs[old]->ctxt, procs[curproc]->ctxt);
     context_switch(&procs[old]->ctxt, procs[curproc]->ctxt);
+    serial_writestring("switched\n");
     //procs[old]->state=RUNNABLE;
     //procs[old]->state=RUNNABLE;
     procs[curproc]->state=RUNNING;
     procs[curproc]->state=RUNNING;
     //process* t = curproc;
     //process* t = curproc;
@@ -44,6 +46,7 @@ int yield()
 {
 {
     //lock mutex
     //lock mutex
     procs[curproc]->state = RUNNABLE;
     procs[curproc]->state = RUNNABLE;
+    serial_writestring("about to schedule\n");
     schedule();
     schedule();
     //unlock mutex
     //unlock mutex
     return 1;
     return 1;

src/kern.c

@@ -67,11 +67,11 @@ void kernel_main(multiboot_info* mbt, uint32_t magic)
     enablePaging();
     enablePaging();
 
 
     serial_writestring("Finished Initilizing memory\n");
     serial_writestring("Finished Initilizing memory\n");
-    int o=0;
-    int j=5/o;
-    serial_hexword(j);
+    //int o=0;
+    //int j=5/o;
+    //serial_hexword(j);
     //test_mem();
     //test_mem();
-    serial_writechar('\n');
+    //serial_writechar('\n');
 
 
     // PCI
     // PCI
     checkAllBuses();
     checkAllBuses();
@@ -86,6 +86,7 @@ void kernel_main(multiboot_info* mbt, uint32_t magic)
     
     
     pit_init();
     pit_init();
     pit_start_counter(100, PIT_OCW_CONT_0, PIT_OCW_MODE_SQWVGEN);
     pit_start_counter(100, PIT_OCW_CONT_0, PIT_OCW_MODE_SQWVGEN);
+    serial_writestring("enabling interrupts\n");
     enable_int();
     enable_int();
 
 
 
 

src/pit.c

@@ -18,6 +18,7 @@ void pit_irq()
     pic_command(0, PIC_OCW2_EOI);
     pic_command(0, PIC_OCW2_EOI);
     //serial_writestring("PIT tickn\n");
     //serial_writestring("PIT tickn\n");
     //asm volatile("nop;nop;nop;popa; iret;");
     //asm volatile("nop;nop;nop;popa; iret;");
+    serial_writestring("ticked, yielding\n");
     yield();
     yield();
 }
 }