Run first app from ramdisk!

kernel/amd64/smp.h

@@ -5,21 +5,31 @@
 #include <amd64/tss.h>
 #include <aux/compiler.h>
 #include <libk/std.h>
+#include <proc/proc.h>
 
 #define CPUS_MAX 32
 
 struct cpu {
   uint64_t lapic_ticks;
   uint32_t id;
+
   struct {
     uint64_t rflags;
     atomic_int nesting;
   } irq_ctx;
+
+  uint8_t user_stack[USTACK_SIZE] ALIGNED (16);
+
   volatile uint8_t kernel_stack[KSTACK_SIZE] ALIGNED (16);
   volatile uint8_t except_stack[KSTACK_SIZE] ALIGNED (16);
   volatile uint8_t irq_stack[KSTACK_SIZE] ALIGNED (16);
   volatile struct gdt_extended gdt ALIGNED (16);
   volatile struct tss tss;
+
+  spin_lock_t lock;
+
+  struct proc* proc_run_q;
+  struct proc* proc_current;
 };
 
 struct cpu* cpu_make (void);