From a8286a152ecc3558837da24b7241e837ff7e3c1e Mon Sep 17 00:00:00 2001
From: Michal Idziorek <m.i@gmx.at>
Date: Thu, 4 Sep 2014 01:39:28 +0200
Subject: new default interrupt handler in asm

---
 asm/int_default_handler.asm | 16 ++++++++++++++++
 kernel/interrupts.c         | 10 +++++-----
 2 files changed, 21 insertions(+), 5 deletions(-)
 create mode 100644 asm/int_default_handler.asm

diff --git a/asm/int_default_handler.asm b/asm/int_default_handler.asm
new file mode 100644
index 0000000..4515482
--- /dev/null
+++ b/asm/int_default_handler.asm
@@ -0,0 +1,16 @@
+global int_default_handler
+[extern int_default]
+
+
+[bits 32]
+int_default_handler:
+
+ cli
+ 
+ call int_default
+
+ mov al, 0x20   ;Port number AND command number to Acknowledge IRQ
+ out 0x20, al     ;Acknowledge IRQ, so we keep getting interrupts
+
+ sti
+ iret           ;Interrupt-Return
diff --git a/kernel/interrupts.c b/kernel/interrupts.c
index 81ad1c9..c6acf61 100644
--- a/kernel/interrupts.c
+++ b/kernel/interrupts.c
@@ -5,6 +5,8 @@
 #include "../lib/logger/log.h"	// logger facilities
 #define FOOLOS_MODULE_NAME "interrupts"
 
+void int_default_handler();
+
 void int_install_ir(int irq, uint16_t flags, uint16_t sel, void *addr);
 
 // the interrupt descriptor table
@@ -28,13 +30,11 @@ static struct idt_desc
 } idtd;
 
 
-void int_def_handler()
+void int_default()
 {
-    X86_IRQ_BEGIN
 
-    panic(FOOLOS_MODULE_NAME,"Unexpected Interrupt occured");   
+//    panic(FOOLOS_MODULE_NAME,"Unexpected Interrupt occured");   
 
-    X86_IRQ_END
 }
 
 void show_error(uint32_t err)
@@ -101,7 +101,7 @@ void int_init(uint16_t sel)
     int i;
     for(i=0; i<INT_MAX; i++)
     {
-	int_install_ir(i, 0b10001110, sel,&int_def_handler);
+	int_install_ir(i, 0b10001110, sel,&int_default_handler);
     }
 
     // exceptions
-- 
cgit v1.2.3