From a61be311da520dd3c6b035161cd6d0d80450b099 Mon Sep 17 00:00:00 2001
From: ppw <583742931@qq.com>
Date: Mon, 21 Sep 2020 10:20:48 +0800
Subject: [PATCH] fix the multiple definition of idt & idt_reg

remove the definition of idt & idt_reg in 'idt.h', which is included by 2 files and causes multiple definition.
Definite the variable idt & idt_reg here to solve the problem.
---
 18-interrupts/cpu/idt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/18-interrupts/cpu/idt.c b/18-interrupts/cpu/idt.c
index 999d0c9..53ab1ee 100644
--- a/18-interrupts/cpu/idt.c
+++ b/18-interrupts/cpu/idt.c
@@ -1,6 +1,10 @@
 #include "idt.h"
 #include "../kernel/util.h"
 
+#define IDT_ENTRIES 256
+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;