36 lines
1.1 KiB
Forth
36 lines
1.1 KiB
Forth
\ *****************************************************************************
|
|
\ * Copyright (c) 2004, 2014 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
|
|
\ ****************************************************************************/
|
|
|
|
\ DMA memory allocation functions
|
|
: dma-alloc ( size -- virt )
|
|
my-phandle TO calling-child
|
|
s" dma-alloc" my-phandle parent $call-static
|
|
0 TO calling-child
|
|
;
|
|
|
|
: dma-free ( virt size -- )
|
|
my-phandle TO calling-child
|
|
s" dma-free" my-phandle parent $call-static
|
|
0 TO calling-child
|
|
;
|
|
|
|
: dma-map-in ( virt size cacheable? -- devaddr )
|
|
my-phandle TO calling-child
|
|
s" dma-map-in" my-phandle parent $call-static
|
|
0 TO calling-child
|
|
;
|
|
|
|
: dma-map-out ( virt devaddr size -- )
|
|
my-phandle TO calling-child
|
|
s" dma-map-out" my-phandle parent $call-static
|
|
0 TO calling-child
|
|
;
|