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authorLoic Guegan <manzerbredes@mailbox.org>2021-04-12 10:28:04 +0200
committerLoic Guegan <manzerbredes@mailbox.org>2021-04-12 10:28:04 +0200
commit457a2117706cdaee34f894e67c89da7bf29f6143 (patch)
treee3a1a519c5360abcca95732500594c92af9af51c /src/int/idt.c
parent39713a3736145483dd3310c3605f940ca34f05c3 (diff)
Refactoring
Diffstat (limited to 'src/int/idt.c')
-rw-r--r--src/int/idt.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/src/int/idt.c b/src/int/idt.c
deleted file mode 100644
index e3e71e8..0000000
--- a/src/int/idt.c
+++ /dev/null
@@ -1,39 +0,0 @@
-#include "idt.h"
-
-struct IDT_REGISTER IDTR={
- 8*IDT_MAX_ENTRY,
- 0x0
-};
-
-// Interrupt functions (cf int.S)
-extern u32
-INT_DEFAULT,
-INT_PAGE_FAULT,
-INT_CLOCK,
-INT_KEYPRESS,
-INT_SYSCALL;
-
-
-void idt_init(){
- // Map first default 32 entries
- for(int i=0;i<IDT_MAX_ENTRY;i++){
- idt_write_entry((IDT_ENTRY){0x08,(u32)&INT_DEFAULT,IDT_INT_GATE},i);
- if(i==14)
- idt_write_entry((IDT_ENTRY){0x08,(u32)&INT_PAGE_FAULT,IDT_INT_GATE},i);
- if(i==32)
- idt_write_entry((IDT_ENTRY){0x08,(u32)&INT_CLOCK,IDT_INT_GATE},i);
- if(i==33)
- idt_write_entry((IDT_ENTRY){0x08,(u32)&INT_KEYPRESS,IDT_INT_GATE},i);
- if(i==48)
- idt_write_entry((IDT_ENTRY){0x08,(u32)&INT_SYSCALL,IDT_TRAP_GATE},i);
- }
-
- asm("lidtl (IDTR)");
-}
-
-void idt_write_entry(IDT_ENTRY entry, int id){
- int descriptor[2];
- descriptor[0]=entry.offset & 0xFFFF | entry.segment << 16;
- descriptor[1]=entry.type & 0xFFFF | entry.offset & 0xFFFF0000;
- memcpy((void*)descriptor, (void *)(IDTR.base+(id*8)),8);
-} \ No newline at end of file