Refactoring and movint Interrupt Vector Setup to C

1 files changed, 16 insertions, 8 deletions

diff --git a/kernel/kernel.c b/kernel/kernel.c
index c8b21cf..6719cdc 100644
--- a/kernel/kernel.c
+++ b/kernel/kernel.c
@@ -18,6 +18,8 @@ static struct int_desc
 
 } idt[INT_MAX];
 
+static struct int_desc *idt_old=0x1000;
+
 // interrupt descriptor table descriptor
 static struct idt_desc
 {
@@ -68,11 +70,15 @@ void int_install_ir(int irq, uint16_t flags, uint16_t sel, void *addr)
     uint64_t base=(uint64_t)&(*addr);
 //    uint32_t base=addr;
 
-    idt[irq].addrLo = base & 0xffff;
-    idt[irq].addrHi = (base >> 16) & 0xffff;
-    idt[irq].zeros=0;
-    idt[irq].flags=flags;
-    idt[irq].sel=sel;
+    idt_old[irq].addrLo = base & 0xffff;
+    idt_old[irq].addrHi = (base >> 16) & 0xffff;
+
+    idt_old[irq].addrLo = 0x087c;
+    idt_old[irq].addrHi =  0x0;
+
+    idt_old[irq].zeros=0;
+    idt_old[irq].flags=flags;
+    idt_old[irq].sel=sel;
 
 }
 
@@ -97,9 +103,11 @@ void kernel_main()
 {
     char str[]="ABC";
 
-    int_init(0x08); // offset in GDT (CODE_SEG)
-    int_install();
-    int_enable();
+   // int_init(0x08); // offset in GDT (CODE_SEG)
+   int_install_ir(33,0b1000110,0x8,&int_def_handler);
+   int_install_ir(33,0b1000110,0x8,0x087c);
+   // int_install();
+    // int_enable();
 
     print_str(0,0,"Interrupts Enabled");