X-Git-Url: https://git.wirehaze.ovh/BOS.git/blobdiff_plain/9eee6999d9d27301b73f604c9978677c9794d717..359bb65a0ed9dbb75a208db4675db689877a85b9:/kernel/init/pic.asm?ds=sidebyside

diff --git a/kernel/init/pic.asm b/kernel/init/pic.asm
index 6076213..9e6bb61 100755
--- a/kernel/init/pic.asm
+++ b/kernel/init/pic.asm
@@ -8,128 +8,131 @@
 
 
 ;-------------------------------------------;
-;  remap PICs to:  cl = pic1  ch = pic2     ;
+;  remap PICs                               ;
+;                in:  cl = pic1             ;
+;                     ch = pic2             ;
 ;-------------------------------------------;
 remap_pics:
-	  push	  ax
-	  push	  dx
+        push   ax
+        push   dx
 
-	  mov	  al, 0x11			      ; IWC1
-	  out	  0x20, al
-	  out	  0xA0, al
+        mov    al, 0x11                               ; IWC1
+        out    0x20, al
+        out    0xA0, al
 
-	  mov	  al, cl			      ; IWC2
-	  out	  0x21, al
-	  mov	  al, ch
-	  out	  0xA1, al
+        mov    al, cl                                 ; IWC2
+        out    0x21, al
+        mov    al, ch
+        out    0xA1, al
 
-	  mov	  al, 0x04			      ; IWC3
-	  out	  0x21, al
-	  mov	  al, 0x02
-	  out	  0xA1, al
+        mov    al, 0x04                               ; IWC3
+        out    0x21, al
+        mov    al, 0x02
+        out    0xA1, al
 
-	  mov	  al, 0x01			      ; IWC4
-	  out	  0x21, al
-	  out	  0xA1, al
+        mov    al, 0x01                               ; IWC4
+        out    0x21, al
+        out    0xA1, al
 
-	  pop	  dx
-	  pop	  ax
-	  ret
+        pop    dx
+        pop    ax
+        ret
 
 
 ;----------------------;
 ;  disable all IRQs.   ;
 ;----------------------;
 disable_irqs:
-	  push	  ax
+        push   ax
 
-	  mov	  al, 0xFF
-	  out	  0x21, al
-	  out	  0xA1, al
+        mov    al, 0xFF
+        out    0x21, al
+        out    0xA1, al
 
-	  pop	  ax
-	  ret
+        pop    ax
+        ret
 
 
 ;---------------------;
 ;  enable all IRQs.   ;
 ;---------------------;
 enable_irqs:
-	  push	  ax
+        push   ax
 
-	  mov	  al, 0x00
-	  out	  0x21, al
-	  out	  0xA1, al
+        mov    al, 0x00
+        out    0x21, al
+        out    0xA1, al
 
-	  pop	  ax
-	  ret
+        pop    ax
+        ret
 
 
 ;-----------------------------;
 ;  enable an IRQ.  cl = irq   ;
 ;-----------------------------;
 enable_irq:
-	  push	  ax
-	  push	  cx
+        push   ax
+        push   cx
 
-	  cmp	  cl, 8
-	  jb	  .master
+        cmp    cl, 8
+        jb     .master
 
-	  sub	  cl, 8
-	  mov	  ah, 1
-	  shl	  ah, cl
-	  xor	  ah, 0xFF
+        sub    cl, 8
+        mov    ah, 1
+        shl    ah, cl
+        xor    ah, 0xFF
 
-	  in	  al, 0xA1
-	  and	  al, ah
-	  out	  0xA1, al
+        in     al, 0xA1
+        and    al, ah
+        out    0xA1, al
 
-	  pop	  cx
-	  pop	  ax
-	  ret
-  .master:
-	  mov	  ah, 1
-	  shl	  ah, cl
-	  xor	  ah, 0xFF
+        pop    cx
+        pop    ax
+        ret
+    .master:
+        mov    ah, 1
+        shl    ah, cl
+        xor    ah, 0xFF
 
-	  in	  al, 0x21
-	  and	  al, ah
-	  out	  0x21, al
+        in     al, 0x21
+        and    al, ah
+        out    0x21, al
 
-	  pop	  cx
-	  pop	  ax
-	  ret
+        pop    cx
+        pop    ax
+        ret
 
 
 ;------------------------------;
-;  disable an IRQ.  cl = irq   ;
+;  disable an IRQ.             ;
+;                in: cl = irq  ;
 ;------------------------------;
 disable_irq:
-	  push	  ax
-	  push	  cx
-
-	  cmp	  cl, 8
-	  jb	  .master
-
-	  sub	  cl, 8
-	  mov	  ah, 1
-	  shl	  ah, cl
-
-	  in	  al, 0xA1
-	  or	  al, ah
-	  out	  0xA1, al
-
-	  pop	  cx
-	  pop	  ax
-	  ret
-  .master:
-	  mov	  ah, 1
-	  shl	  ah, cl
-
-	  in	  al, 0x21
-	  or	  al, ah
-	  out	  0x21, al
-
-	  pop	  cx
-	  pop	  ax
-	  ret
\ No newline at end of file
+        push   ax
+        push   cx
+
+        cmp    cl, 8
+        jb     .master
+
+        sub    cl, 8
+        mov    ah, 1
+        shl    ah, cl
+
+        in     al, 0xA1
+        or     al, ah
+        out    0xA1, al
+
+        pop    cx
+        pop    ax
+        ret
+    .master:
+        mov    ah, 1
+        shl    ah, cl
+
+        in     al, 0x21
+        or     al, ah
+        out    0x21, al
+
+        pop    cx
+        pop    ax
+        ret
\ No newline at end of file