diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/SLOF/board-js2x/slof/ioapic.fs | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.fs | 36 |
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 +; |