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authorGabe Black <gblack@eecs.umich.edu>2008-10-11 01:22:20 -0700
committerGabe Black <gblack@eecs.umich.edu>2008-10-11 01:22:20 -0700
commit2753c07dc5131972d1dcbb7628e2f0712c778fec (patch)
tree1088254bfb5c9bcc4121cdfc6acfcf6c52c0d2d2 /src/dev/x86/i8259.hh
parentf22c7d48f3b99994c697075f5cc3b59c72f84092 (diff)
downloadgem5-2753c07dc5131972d1dcbb7628e2f0712c778fec.tar.xz
X86: Change the I8259 from a subdevice into a real SimObject.
--HG-- rename : src/dev/x86/south_bridge/i8259.cc => src/dev/x86/i8259.cc rename : src/dev/x86/south_bridge/i8259.hh => src/dev/x86/i8259.hh
Diffstat (limited to 'src/dev/x86/i8259.hh')
-rw-r--r--src/dev/x86/i8259.hh69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/dev/x86/i8259.hh b/src/dev/x86/i8259.hh
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+++ b/src/dev/x86/i8259.hh
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __DEV_X86_I8259_HH__
+#define __DEV_X86_I8259_HH__
+
+#include "dev/io_device.hh"
+#include "params/I8259.hh"
+
+namespace X86ISA
+{
+
+class I8259 : public BasicPioDevice
+{
+ protected:
+ Tick latency;
+ bool master;
+
+ public:
+ typedef I8259Params Params;
+
+ const Params *
+ params() const
+ {
+ return dynamic_cast<const Params *>(_params);
+ }
+
+ I8259(Params * p) : BasicPioDevice(p)
+ {
+ pioSize = 2;
+ latency = p->pio_latency;
+ master = p->master;
+ }
+
+ Tick read(PacketPtr pkt);
+
+ Tick write(PacketPtr pkt);
+};
+
+}; // namespace X86ISA
+
+#endif //__DEV_X86_I8259_HH__