From 9915d1fc1b15247e4f4c9b19342a48f9f53ad526 Mon Sep 17 00:00:00 2001
From: Sriram Shanmuga <40335840+RaamyPi@users.noreply.github.com>
Date: Tue, 21 Jul 2020 18:52:31 +0530
Subject: [PATCH 1/2] Updated idt.h `18-interrupts`

Fix to get rid any possible multiple definition errors in `18-interrupts`
---
 18-interrupts/cpu/idt.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/18-interrupts/cpu/idt.h b/18-interrupts/cpu/idt.h
index 27bfac5a..e8549a36 100644
--- a/18-interrupts/cpu/idt.h
+++ b/18-interrupts/cpu/idt.h
@@ -28,9 +28,8 @@ typedef struct {
 } __attribute__((packed)) idt_register_t;
 
 #define IDT_ENTRIES 256
-idt_gate_t idt[IDT_ENTRIES];
-idt_register_t idt_reg;
-
+extern idt_gate_t idt[IDT_ENTRIES];
+extern idt_register_t idt_reg;
 
 /* Functions implemented in idt.c */
 void set_idt_gate(int n, u32 handler);

From 231a854b3de9fa3782e49149b1f80142985575ef Mon Sep 17 00:00:00 2001
From: Sriram Shanmuga <40335840+RaamyPi@users.noreply.github.com>
Date: Tue, 21 Jul 2020 18:53:59 +0530
Subject: [PATCH 2/2] Updated idt.c `18-interrupts`

Fix to get rid any possible multiple definition errors in `18-interrupts`
---
 18-interrupts/cpu/idt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/18-interrupts/cpu/idt.c b/18-interrupts/cpu/idt.c
index 999d0c94..cdb7e99b 100644
--- a/18-interrupts/cpu/idt.c
+++ b/18-interrupts/cpu/idt.c
@@ -1,6 +1,9 @@
 #include "idt.h"
 #include "../kernel/util.h"
 
+idt_gate_t idt[IDT_ENTRIES];
+idt_register_t idt_reg;
+
 void set_idt_gate(int n, u32 handler) {
     idt[n].low_offset = low_16(handler);
     idt[n].sel = KERNEL_CS;