From b559db2cc18495fa2b16c3e9c2fe4b2edaaf645b Mon Sep 17 00:00:00 2001
From: root <root@vps1726121001.tech0.ru>
Date: Thu, 17 Oct 2024 12:51:11 +0300
Subject: [PATCH] =?UTF-8?q?feat:=20=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8?=
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---
 06-subroutines-interruptions/fuck-system.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/06-subroutines-interruptions/fuck-system.c b/06-subroutines-interruptions/fuck-system.c
index b3dcdb4..d43b8c1 100644
--- a/06-subroutines-interruptions/fuck-system.c
+++ b/06-subroutines-interruptions/fuck-system.c
@@ -22,17 +22,22 @@ static int __init fuck_system(void)
   struct desc_ptr newidtreg;
   struct desc_ptr oldidtreg;
   gate_desc *oldidt, *newidt;
+
+  pr_info("nessesary variables created");
   // Выделяем память под 256 прерываний
   unsigned long new_page = __get_free_page(GFP_KERNEL);
   if (!new_page)
   {
     return -ENOMEM;
   }
+  pr_info("new page allocated");
   store_idt(&oldidtreg);
+  pr_info("IDT register stored");
   newidtreg.address = new_page;
   newidtreg.size = oldidtreg.size;
   newidt = (gate_desc *)newidtreg.address;
   memcpy(newidt, oldidt, newidtreg.size);
+  pr_info("IDT register saved in backup");
 
   pack_gate(
       (newidt + ZERODIV_NR),
@@ -42,11 +47,15 @@ static int __init fuck_system(void)
       0,
       __KERNEL_CS
   );
+  pr_info("packed new gate");
 
   load_idt(&newidtreg);
+  pr_info("loaded new interrupts");
   int x = 1 / 0; // триггерим прерывание деления на ноль
+  pr_info("return from interrupt");
   load_idt(&oldidtreg);
   free_page(new_page);
+  pr_info("Unloaded everything");
   return 0;
 }