Handle IRQs inside the kernel

kernel/amd64/intr.h

@@ -31,6 +31,31 @@ struct saved_regs {
   uint64_t ss;
 } PACKED;
 
+struct ksaved_regs {
+  /* regs */
+  uint64_t r15;
+  uint64_t r14;
+  uint64_t r13;
+  uint64_t r12;
+  uint64_t r11;
+  uint64_t r10;
+  uint64_t r9;
+  uint64_t r8;
+  uint64_t rbx;
+  uint64_t rbp;
+  uint64_t rdi;
+  uint64_t rsi;
+  uint64_t rdx;
+  uint64_t rcx;
+  uint64_t rax;
+  /* interrupt stuff */
+  uint64_t trap;
+  uint64_t error;
+  uint64_t rip;
+  uint64_t cs;
+  uint64_t rflags;
+} PACKED;
+
 void idt_load (void);
 void intr_init (void);