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/*
* Copyright (c) 2004 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.
*
* Authors: Ali Saidi
* Nathan Binkert
*/
#ifndef __ARCH_ALPHA_LINUX_LINUX_TREADNIFO_HH__
#define __ARCH_ALPHA_LINUX_LINUX_TREADNIFO_HH__
#include "arch/alpha/linux/thread_info.hh"
#include "cpu/exec_context.hh"
#include "kern/linux/sched.hh"
#include "sim/vptr.hh"
namespace Linux {
class ThreadInfo
{
private:
ExecContext *xc;
public:
ThreadInfo(ExecContext *exec) : xc(exec) {}
~ThreadInfo() {}
inline VPtr<thread_info>
curThreadInfo()
{
Addr current;
/* Each kernel stack is only 2 pages, the start of which is the
* thread_info struct. So we can get the address by masking off
* the lower 14 bits.
*/
current = xc->readIntReg(TheISA::StackPointerReg) & ~0x3fff;
return VPtr<thread_info>(xc, current);
}
inline VPtr<task_struct>
curTaskInfo()
{
Addr task = curThreadInfo()->task;
return VPtr<task_struct>(xc, task);
}
std::string
curTaskName()
{
return curTaskInfo()->name;
}
int32_t
curTaskPID()
{
return curTaskInfo()->pid;
}
uint64_t
curTaskStart()
{
return curTaskInfo()->start;
}
};
/* namespace Linux */ }
#endif // __ARCH_ALPHA_LINUX_LINUX_THREADINFO_HH__
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