36 lines
1.1 KiB
Forth
36 lines
1.1 KiB
Forth
\ *****************************************************************************
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\ * Copyright (c) 2011 IBM Corporation
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\ * All rights reserved.
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\ * This program and the accompanying materials
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\ * are made available under the terms of the BSD License
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\ * which accompanies this distribution, and is available at
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\ * http://www.opensource.org/licenses/bsd-license.php
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\ *
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\ * Contributors:
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\ * IBM Corporation - initial implementation
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\ ****************************************************************************/
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\ This struct must match "struct virtio_device" in virtio.h!
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STRUCT
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/n FIELD vd>base
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/l FIELD vd>type
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CONSTANT /vd-len
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\ Initialize virtiodev structure for the current node
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: virtio-setup-vd ( vdstruct -- )
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>r
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\ Does it have a "class-code" property? If yes, assume we're a PCI device
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s" class-code" get-node get-property 0= IF
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\ Set up for PCI device interface
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2drop
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s" 10 config-l@ translate-my-address 3 not AND" evaluate
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( io-base ) r@ vd>base !
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0 r@ vd>type l!
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ELSE
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." unsupported virtio interface!" cr
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1 r@ vd>type l!
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THEN
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r> drop
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;
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