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authorKevin Lim <ktlim@umich.edu>2006-11-10 12:44:15 -0500
committerKevin Lim <ktlim@umich.edu>2006-11-10 12:44:15 -0500
commitb5e68fb54677f601bb00c23af52db8fd6571301f (patch)
treedc3c17198ba4010d907ecd8cb7189aa7959948d4 /src/arch/sparc/interrupts.hh
parent264f9ce374ff4689fec3c32d8289fe76b0b65078 (diff)
parent9ef51f2dbaba88c10366d708f0ca872bb39064e4 (diff)
downloadgem5-b5e68fb54677f601bb00c23af52db8fd6571301f.tar.xz
Merge ktlim@zizzer:/bk/newmem
into zamp.eecs.umich.edu:/z/ktlim2/clean/o3-merge/newmem --HG-- extra : convert_revision : 0c2db1e1b5fdb91c1ac5705ab872a6bfb575a67a
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-rw-r--r--src/arch/sparc/interrupts.hh92
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+/*
+ * Copyright (c) 2006 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 __ARCH_SPARC_INTERRUPT_HH__
+#define __ARCH_SPARC_INTERRUPT_HH__
+
+#include "arch/sparc/faults.hh"
+
+namespace SparcISA
+{
+ class Interrupts
+ {
+ protected:
+ Fault interrupts[NumInterruptLevels];
+ bool requested[NumInterruptLevels];
+
+ public:
+ Interrupts()
+ {
+ for(int x = 0; x < NumInterruptLevels; x++)
+ {
+ interrupts[x] = new InterruptLevelN(x);
+ requested[x] = false;
+ }
+ }
+ void post(int int_num, int index)
+ {
+ if(int_num < 0 || int_num >= NumInterruptLevels)
+ panic("int_num out of bounds\n");
+
+ requested[int_num] = true;
+ }
+
+ void clear(int int_num, int index)
+ {
+ requested[int_num] = false;
+ }
+
+ void clear_all()
+ {
+ for(int x = 0; x < NumInterruptLevels; x++)
+ requested[x] = false;
+ }
+
+ bool check_interrupts(ThreadContext * tc) const
+ {
+ return true;
+ }
+
+ Fault getInterrupt(ThreadContext * tc)
+ {
+ return NoFault;
+ }
+
+ void serialize(std::ostream &os)
+ {
+ }
+
+ void unserialize(Checkpoint *cp, const std::string &section)
+ {
+ }
+ };
+}
+
+#endif // __ARCH_SPARC_INTERRUPT_HH__