diff options
Diffstat (limited to 'src/arch/arm')
-rw-r--r-- | src/arch/arm/SConscript | 1 | ||||
-rw-r--r-- | src/arch/arm/isa_traits.cc | 47 | ||||
-rw-r--r-- | src/arch/arm/isa_traits.hh | 3 |
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); |