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Annotation of qemu/roms/SLOF/board-qemu/slof/virtio.fs, revision 1.1.1.1

1.1       root        1: \ *****************************************************************************
                      2: \ * Copyright (c) 2011 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
                      8: \ *
                      9: \ * Contributors:
                     10: \ *     IBM Corporation - initial implementation
                     11: \ ****************************************************************************/
                     12: 
                     13: \ This struct must match "struct virtio_device" in virtio.h!
                     14: STRUCT
                     15:    /n FIELD vd>base
                     16:    /l FIELD vd>type
                     17: CONSTANT /vd-len
                     18: 
                     19: 
                     20: \ Initialize virtiodev structure for the current node
                     21: : virtio-setup-vd  ( vdstruct -- )
                     22:    >r
                     23:    \ Does it have a "class-code" property? If yes, assume we're a PCI device
                     24:    s" class-code" get-node get-property 0= IF
                     25:       \ Set up for PCI device interface
                     26:       2drop
                     27:       s" 10 config-l@ translate-my-address 3 not AND" evaluate
                     28:       ( io-base ) r@ vd>base !
                     29:       0 r@ vd>type l!
                     30:    ELSE
                     31:       ." unsupported virtio interface!" cr
                     32:       1 r@ vd>type l!
                     33:    THEN
                     34:    r> drop
                     35: ;

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