From 16913b711ad5e21392669cc65eb5eebdcc31e14c Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sun, 15 Sep 2019 01:18:11 +0200
Subject: Added idt gate setter
---
src/idt/idt.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
(limited to 'src/idt/idt.c')
diff --git a/src/idt/idt.c b/src/idt/idt.c
index 3c0c246..c442044 100644
--- a/src/idt/idt.c
+++ b/src/idt/idt.c
@@ -21,6 +21,18 @@ struct idt_ptr idtp;
// Defined in boot.asm
extern void idt_load();
+void idt_set_gate(unsigned char num, unsigned long base, unsigned short sel, unsigned char flags) {
+ // Specify the interrupt routine's base address
+ idt[num].base_lo = (base & 0xFFFF);
+ idt[num].base_hi = (base >> 16) & 0xFFFF;
+
+ // Set selector/segment of IDT entry
+ idt[num].sel = sel;
+ idt[num].always0 = 0;
+ idt[num].flags = flags;
+}
+
+
// Install IDT
void idt_install() {
// Set IDT pointer and limit
--
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