21fdd4290b
This parameter was never set or used, just plumbed everywhere, occasionally with a dummy value. This change removes all of that plumbing. Change-Id: I9bc31ffd1fbc4952c5d3096f7f21eab30102300b Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33277 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
/*
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* Copyright (c) 2011-2012 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Copyright (c) 2007-2008 The Florida State University
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __ARM_LINUX_PROCESS_HH__
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#define __ARM_LINUX_PROCESS_HH__
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#include <vector>
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#include "arch/arm/process.hh"
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class ArmLinuxProcessBits
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{
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public:
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struct SyscallABI {};
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};
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namespace GuestABI
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{
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template <typename ABI>
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struct Result<ABI, SyscallReturn,
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typename std::enable_if<std::is_base_of<
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ArmLinuxProcessBits::SyscallABI, ABI>::value>::type>
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{
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static void
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store(ThreadContext *tc, const SyscallReturn &ret)
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{
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if (ret.suppressed() || ret.needsRetry())
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return;
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tc->setIntReg(ArmISA::ReturnValueReg, ret.encodedValue());
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if (ret.count() > 1)
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tc->setIntReg(ArmISA::SyscallPseudoReturnReg, ret.value2());
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}
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};
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} // namespace GuestABI
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/// A process with emulated Arm/Linux syscalls.
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class ArmLinuxProcess32 : public ArmProcess32, public ArmLinuxProcessBits
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{
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public:
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ArmLinuxProcess32(ProcessParams * params, ::Loader::ObjectFile *objFile,
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::Loader::Arch _arch);
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void initState() override;
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void syscall(ThreadContext *tc) override;
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/// A page to hold "kernel" provided functions. The name might be wrong.
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static const Addr commPage;
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struct SyscallABI : public ArmProcess32::SyscallABI,
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public ArmLinuxProcessBits::SyscallABI
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{};
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};
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/// A process with emulated Arm/Linux syscalls.
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class ArmLinuxProcess64 : public ArmProcess64, public ArmLinuxProcessBits
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{
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public:
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ArmLinuxProcess64(ProcessParams * params, ::Loader::ObjectFile *objFile,
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::Loader::Arch _arch);
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void initState() override;
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void syscall(ThreadContext *tc) override;
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struct SyscallABI : public ArmProcess64::SyscallABI,
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public ArmLinuxProcessBits::SyscallABI
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{};
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};
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#endif // __ARM_LINUX_PROCESS_HH__
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