1 \ *****************************************************************************
2 \ * Copyright (c) 2004, 2008 IBM Corporation
3 \ * All rights reserved.
4 \ * This program and the accompanying materials
5 \ * are made available under the terms of the BSD License
6 \ * which accompanies this distribution, and is available at
7 \ * http://www.opensource.org/licenses/bsd-license.php
10 \ * IBM Corporation - initial implementation
11 \ ****************************************************************************/
18 : ioapic@ ( offset -- x ) ioapic rb! ioapic 10 + rl@-le ;
19 : ioapic! ( x offset -- ) ioapic rb! ioapic 10 + rl!-le ;
21 : init-ioapic ( irq# -- )
22 1a000 or 1 ioapic@ 10 rshift 1+ 0 ?DO
23 0 i 2* 11 + ioapic! dup
24 \ move all ISA IRQs to 40 and higher,
25 \ as to not conflict with U3/U4 internal
26 \ IRQs. ISA IRQs are positive edge.
27 dup ff and 0c < IF a000 - 40 + THEN
28 i 2* 10 + ioapic! 1+ LOOP drop
32 1 ioapic@ 10 rshift 1+
33 dup cr . ." irqs" 0 ?DO
34 cr i 2 0.r space i 2* 11 + ioapic@ 8 0.r
35 i 2* 10 + ioapic@ 8 0.r LOOP