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-rw-r--r--src/arch/arm/SConscript1
-rw-r--r--src/arch/arm/isa_traits.cc47
-rw-r--r--src/arch/arm/isa_traits.hh3
3 files changed, 49 insertions, 2 deletions
diff --git a/src/arch/arm/SConscript b/src/arch/arm/SConscript
index 44b6286a0..08a3c7048 100644
--- a/src/arch/arm/SConscript
+++ b/src/arch/arm/SConscript
@@ -57,6 +57,7 @@ if env['TARGET_ISA'] == 'arm':
Source('insts/vfp.cc')
Source('interrupts.cc')
Source('isa.cc')
+ Source('isa_traits.cc')
Source('linux/linux.cc')
Source('linux/process.cc')
Source('linux/system.cc')
diff --git a/src/arch/arm/isa_traits.cc b/src/arch/arm/isa_traits.cc
new file mode 100644
index 000000000..7a663751c
--- /dev/null
+++ b/src/arch/arm/isa_traits.cc
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2012 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * 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: Ali Saidi
+ */
+#include "arch/arm/generated/decoder.hh"
+#include "arch/arm/isa_traits.hh"
+
+namespace ArmISA
+{
+// no-op that is predicated true
+const StaticInstPtr NoopStaticInst = new ArmISAInst::NopInst(0x01E320F000ULL);
+}
+
diff --git a/src/arch/arm/isa_traits.hh b/src/arch/arm/isa_traits.hh
index 43b3674d4..067111b59 100644
--- a/src/arch/arm/isa_traits.hh
+++ b/src/arch/arm/isa_traits.hh
@@ -95,8 +95,7 @@ namespace ArmISA
const Addr PAddrImplMask = (ULL(1) << PABits) - 1;
- // return a no-op instruction... used for instruction fetch faults
- const ExtMachInst NoopMachInst = 0x01E320F000ULL;
+ const extern StaticInstPtr NoopStaticInst;
const int LogVMPageSize = 12; // 4K bytes
const int VMPageSize = (1 << LogVMPageSize);