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-rw-r--r--qemu/roms/SLOF/slof/fs/dma-function.fs36
1 files changed, 36 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/slof/fs/dma-function.fs b/qemu/roms/SLOF/slof/fs/dma-function.fs
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--- /dev/null
+++ b/qemu/roms/SLOF/slof/fs/dma-function.fs
@@ -0,0 +1,36 @@
+\ *****************************************************************************
+\ * 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
+;