summaryrefslogtreecommitdiffstats
path: root/qemu/roms/SLOF/board-qemu/slof/virtio.fs
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/roms/SLOF/board-qemu/slof/virtio.fs')
-rw-r--r--qemu/roms/SLOF/board-qemu/slof/virtio.fs35
1 files changed, 35 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/board-qemu/slof/virtio.fs b/qemu/roms/SLOF/board-qemu/slof/virtio.fs
new file mode 100644
index 000000000..818c1320e
--- /dev/null
+++ b/qemu/roms/SLOF/board-qemu/slof/virtio.fs
@@ -0,0 +1,35 @@
+\ *****************************************************************************
+\ * Copyright (c) 2011 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
+\ ****************************************************************************/
+
+\ This struct must match "struct virtio_device" in virtio.h!
+STRUCT
+ /n FIELD vd>base
+ /l FIELD vd>type
+CONSTANT /vd-len
+
+
+\ Initialize virtiodev structure for the current node
+: virtio-setup-vd ( vdstruct -- )
+ >r
+ \ Does it have a "class-code" property? If yes, assume we're a PCI device
+ s" class-code" get-node get-property 0= IF
+ \ Set up for PCI device interface
+ 2drop
+ s" 10 config-l@ translate-my-address 3 not AND" evaluate
+ ( io-base ) r@ vd>base !
+ 0 r@ vd>type l!
+ ELSE
+ ." unsupported virtio interface!" cr
+ 1 r@ vd>type l!
+ THEN
+ r> drop
+;