Add stack frame to panic

src/scheduler/sched.h

@@ -10,19 +10,19 @@ typedef enum proc_state {
 }proc_state;
 
 typedef struct context {
-    uint64_t rbx, rsp, rbp, r12, r13, r14, r15;
-    uint64_t rip;
-} __attribute((packed))context;
+    uint64_t r15, r14, r13, r12, r11, r10, r9, r8, rbp, rbx, rcx, rdx, rsi, rdi, rip;
+} context;
 
 typedef struct proc {
     uint64_t *mem;
     uint64_t *kstack;
     proc_state state;
     uint16_t pid;
-    context context;
+    context *context;
 }proc;
 
 void scheduler_init();
+void enter_scheduler();
 
 #define PROC_MAX    512 // Max number of processes