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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/SLOF/board-js2x/slof/ioapic.fs
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/SLOF/board-js2x/slof/ioapic.fs')
-rw-r--r--qemu/roms/SLOF/board-js2x/slof/ioapic.fs36
1 files changed, 36 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/board-js2x/slof/ioapic.fs b/qemu/roms/SLOF/board-js2x/slof/ioapic.fs
new file mode 100644
index 000000000..685d6dfed
--- /dev/null
+++ b/qemu/roms/SLOF/board-js2x/slof/ioapic.fs
@@ -0,0 +1,36 @@
+\ *****************************************************************************
+\ * Copyright (c) 2004, 2008 IBM Corporation
+\ * All rights reserved.
+\ * This program and the accompanying materials
+\ * are made available under the terms of the BSD License
+\ * which accompanies this distribution, and is available at
+\ * http://www.opensource.org/licenses/bsd-license.php
+\ *
+\ * Contributors:
+\ * IBM Corporation - initial implementation
+\ ****************************************************************************/
+
+\ ( ioapic-addr -- )
+\ IO-APIC setup.
+
+CONSTANT ioapic
+
+: ioapic@ ( offset -- x ) ioapic rb! ioapic 10 + rl@-le ;
+: ioapic! ( x offset -- ) ioapic rb! ioapic 10 + rl!-le ;
+
+: init-ioapic ( irq# -- )
+ 1a000 or 1 ioapic@ 10 rshift 1+ 0 ?DO
+ 0 i 2* 11 + ioapic! dup
+ \ move all ISA IRQs to 40 and higher,
+ \ as to not conflict with U3/U4 internal
+ \ IRQs. ISA IRQs are positive edge.
+ dup ff and 0c < IF a000 - 40 + THEN
+ i 2* 10 + ioapic! 1+ LOOP drop
+;
+
+: dump-ioapic ( -- )
+ 1 ioapic@ 10 rshift 1+
+ dup cr . ." irqs" 0 ?DO
+ cr i 2 0.r space i 2* 11 + ioapic@ 8 0.r
+ i 2* 10 + ioapic@ 8 0.r LOOP
+;