blob: 5c1a8ccb16ba4692bd66da8094ac4c0a76a3ef61 [file] [log] [blame]
/*
* Copyright (c) 2008 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.
*/
#ifndef __ARCH_X86_CPUID_HH__
#define __ARCH_X86_CPUID_HH__
#include "base/types.hh"
namespace gem5
{
class ThreadContext;
namespace X86ISA
{
struct CpuidResult
{
uint64_t rax;
uint64_t rbx;
uint64_t rcx;
uint64_t rdx;
// These are not in alphebetical order on purpose. The order reflects
// how the CPUID orders the registers when it returns results.
CpuidResult(uint64_t _rax, uint64_t _rbx,
uint64_t _rdx, uint64_t _rcx) :
rax(_rax), rbx(_rbx), rcx(_rcx), rdx(_rdx)
{}
CpuidResult()
{}
};
uint64_t stringToRegister(const char *str);
bool doCpuid(ThreadContext * tc, uint32_t function,
uint32_t index, CpuidResult &result);
} // namespace X86ISA
} // namespace gem5
#endif