feat: настроено окружение и написано пару строчек кода

09-keyboard/task1.c

@@ -0,0 +1,43 @@
+#include<linux/module.h>
+#include<linux/printk.h>
+#include<linux/mm.h>
+#include<asm/desc.h>
+#include<linux/kernel.h>
+#include<asm/traps.h>
+
+
+static u64 kern_page; // u64 - macro meaning unsigned 64 bits
+static gate
+static struct desc_ptr default_idtr; // to save existing idtr
+
+static int __init IDT_rebuild(void)
+{
+  struct desc_ptr idtr; // here we're going to store our new interupts table
+  pr_info("---IDT-REBUILD INITIATED---");
+  store_idt(&default_idtr); // getting current idtr and store it
+  pr_info("obtained idtr");
+  pr_info("allocating new memory page"); 
+  kern_page = __get_free_page(GFP_KERNEL);
+  if (!kern_page)
+  {
+    return -ENOMEM;
+  }
+  idtr.address = kern_page; // going to store 
+  idtr.size = default_idtr.size;
+  return 0;
+}
+
+static void __exit IDT_restore(void)
+{
+  struct desc_ptr idtr;
+  store_idt(&idtr);
+  if (idtr.address != default_idtr.address || idtr.size != default_idtr.size)
+  {
+    load_idt(&default_idtr);
+    free_page(kern_page);
+  }
+}
+
+module_init(IDT_rebuild);
+module_exit(IDT_restore);
+MODULE_LICENSE("GPL");