From 84490631f7509f0e5079b7c8b1af328dc88db67d Mon Sep 17 00:00:00 2001
From: "Andrey Halyavin (halyavin)" <halyavin@land.ru>
Date: Fri, 25 Nov 2005 16:46:29 +0000
Subject: [PATCH] Remapping IRQs to standart scheme in real mode during
 shutdown added.

git-svn-id: svn://kolibrios.org@27 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 kernel/trunk/boot/shutdown.inc | 39 ++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

diff --git a/kernel/trunk/boot/shutdown.inc b/kernel/trunk/boot/shutdown.inc
index 5bfcc9f7e0..9bd9047895 100644
--- a/kernel/trunk/boot/shutdown.inc
+++ b/kernel/trunk/boot/shutdown.inc
@@ -195,11 +195,6 @@ pr_mode_exit:
     mov gs,ax
     mov ss,ax
 ;    mov bl,[shutdown_parameter]
-    mov al,2
-    out 0x21,al
-    mov al,0
-    out 0xA1,al
-
 ;    mov [es:shutdown_parameter-0x10000],bl
 
     jmp real_mode-0x10000       
@@ -209,11 +204,43 @@ old_ints_h:
         dd      0
         dw      0
 
+rdelay:
+    ret
 real_mode:
 
     lidt [cs:old_ints_h-0x10000]
     mov  sp,0xfff0
-
+;remap IRQs
+    mov  al,0x11
+    out  0x20,al
+    call rdelay
+    out  0xA0,al
+    call rdelay
+    
+    mov  al,0x08
+    out  0x21,al
+    call rdelay
+    mov  al,0x70
+    out  0xA1,al
+    call rdelay
+    
+    mov  al,0x04
+    out  0x21,al
+    call rdelay
+    mov  al,0x02
+    out  0xA1,al
+    call rdelay
+    
+    mov  al,0x01
+    out  0x21,al
+    call rdelay
+    out  0xA1,al
+    call rdelay
+    
+    mov  al,2
+    out  0x21,al
+    mov  al,0
+    out  0xA1,al
     sti
 
     jmp  temp_3456