175355f71e
I don't have a binary to test Solaris SE mode, but this *should* still work. Change-Id: Iaacc2ddd5193d7341bc65b9fdd5657c26d231cf1 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33995 Reviewed-by: Gabe Black <gabe.black@gmail.com> Maintainer: Gabe Black <gabe.black@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
145 lines
4.2 KiB
C++
145 lines
4.2 KiB
C++
/*
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* Copyright 2020 Google Inc.
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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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#include "arch/sparc/linux/se_workload.hh"
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#include <sys/syscall.h>
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#include "arch/sparc/process.hh"
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#include "base/loader/object_file.hh"
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#include "base/trace.hh"
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#include "cpu/thread_context.hh"
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#include "sim/syscall_desc.hh"
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namespace
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{
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class LinuxLoader : public Process::Loader
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{
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public:
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Process *
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load(const ProcessParams ¶ms, ::Loader::ObjectFile *obj) override
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{
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auto arch = obj->getArch();
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auto opsys = obj->getOpSys();
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if (arch != ::Loader::SPARC64 && arch != ::Loader::SPARC32)
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return nullptr;
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if (opsys == ::Loader::UnknownOpSys) {
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warn("Unknown operating system; assuming Linux.");
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opsys = ::Loader::Linux;
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}
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if (opsys != ::Loader::Linux)
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return nullptr;
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if (arch == ::Loader::SPARC64)
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return new Sparc64Process(params, obj);
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else
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return new Sparc32Process(params, obj);
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}
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};
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LinuxLoader loader;
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} // anonymous namespace
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namespace SparcISA
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{
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EmuLinux::EmuLinux(const Params &p) : SEWorkload(p), _params(p)
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{}
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void
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EmuLinux::handleTrap(ThreadContext *tc, int trapNum)
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{
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if (is64(tc)) {
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switch (trapNum) {
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// case 0x10: // Linux 32 bit syscall trap
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case 0x6d: // Linux 64 bit syscall trap
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syscall64(tc);
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return;
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case 0x6e: // Linux 64 bit getcontext trap
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warn("The getcontext trap is not implemented on SPARC");
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return;
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case 0x6f: // Linux 64 bit setcontext trap
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panic("The setcontext trap is not implemented on SPARC");
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default:
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break;
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}
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} else {
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switch (trapNum) {
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case 0x10: //Linux 32 bit syscall trap
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syscall32(tc);
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return;
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default:
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break;
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}
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}
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SEWorkload::handleTrap(tc, trapNum);
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}
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void
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EmuLinux::syscall32(ThreadContext *tc)
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{
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Process *process = tc->getProcessPtr();
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// Call the syscall function in the base Process class to update stats.
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// This will move into the base SEWorkload function at some point.
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process->Process::syscall(tc);
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syscall32Descs.get(tc->readIntReg(1))->doSyscall(tc);
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}
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void
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EmuLinux::syscall64(ThreadContext *tc)
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{
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Process *process = tc->getProcessPtr();
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// Call the syscall function in the base Process class to update stats.
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// This will move into the base SEWorkload function at some point.
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process->Process::syscall(tc);
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syscallDescs.get(tc->readIntReg(1))->doSyscall(tc);
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}
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void
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EmuLinux::syscall(ThreadContext *tc)
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{
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if (is64(tc))
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syscall64(tc);
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else
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syscall32(tc);
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}
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} // namespace SparcISA
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SparcISA::EmuLinux *
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SparcEmuLinuxParams::create() const
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{
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return new SparcISA::EmuLinux(*this);
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}
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