summaryrefslogtreecommitdiff
path: root/cpu/full_cpu/op_class.hh
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/full_cpu/op_class.hh')
-rw-r--r--cpu/full_cpu/op_class.hh64
1 files changed, 64 insertions, 0 deletions
diff --git a/cpu/full_cpu/op_class.hh b/cpu/full_cpu/op_class.hh
new file mode 100644
index 000000000..67ccaabad
--- /dev/null
+++ b/cpu/full_cpu/op_class.hh
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2003 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.
+ */
+
+#ifndef __OP_CLASS_HH__
+#define __OP_CLASS_HH__
+
+/**
+ * @file
+ * Definition of operation classes.
+ */
+
+/**
+ * Instruction operation classes. These classes are used for
+ * assigning instructions to functional units.
+ */
+enum OpClass {
+ No_OpClass = 0, /* inst does not use a functional unit */
+ IntALU, /* integer ALU */
+ IntMULT, /* integer multiplier */
+ IntDIV, /* integer divider */
+ FloatADD, /* floating point adder/subtractor */
+ FloatCMP, /* floating point comparator */
+ FloatCVT, /* floating point<->integer converter */
+ FloatMULT, /* floating point multiplier */
+ FloatDIV, /* floating point divider */
+ FloatSQRT, /* floating point square root */
+ RdPort, /* memory read port */
+ WrPort, /* memory write port */
+ LvqPort, /* load value queue read port (redundant threading) */
+ IPrefPort,
+ Num_OpClasses /* total functional unit classes */
+};
+
+/**
+ * Array mapping OpClass enum values to strings.
+ */
+extern const char *opClassStrings[];
+
+#endif // __OP_CLASS_HH__