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/*
* Copyright (c) 2007 The Hewlett-Packard Development Company
* 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.
*/
#ifndef __ARCH_X86_X86TRAITS_HH__
#define __ARCH_X86_X86TRAITS_HH__
#include <cassert>
#include "base/types.hh"
namespace X86ISA
{
const int NumMicroIntRegs = 16;
const int NumPseudoIntRegs = 1;
//1. The condition code bits of the rflags register.
const int NumImplicitIntRegs = 6;
//1. The lower part of the result of multiplication.
//2. The upper part of the result of multiplication.
//3. The quotient from division
//4. The remainder from division
//5. The divisor for division
//6. The register to use for shift doubles
const int NumMMXRegs = 8;
const int NumXMMRegs = 16;
const int NumMicroFpRegs = 8;
const int NumCRegs = 16;
const int NumDRegs = 8;
const int NumSegments = 6;
const int NumSysSegments = 4;
const Addr IntAddrPrefixMask = ULL(0xffffffff00000000);
const Addr IntAddrPrefixCPUID = ULL(0x100000000);
const Addr IntAddrPrefixMSR = ULL(0x200000000);
const Addr IntAddrPrefixIO = ULL(0x300000000);
const Addr PhysAddrPrefixIO = ULL(0x8000000000000000);
const Addr PhysAddrPrefixPciConfig = ULL(0xC000000000000000);
const Addr PhysAddrPrefixLocalAPIC = ULL(0x2000000000000000);
const Addr PhysAddrPrefixInterrupts = ULL(0xA000000000000000);
// Each APIC gets two pages. One page is used for local apics to field
// accesses from the CPU, and the other is for all APICs to communicate.
const Addr PhysAddrAPICRangeSize = 1 << 12;
static inline Addr
x86IOAddress(const uint32_t port)
{
return PhysAddrPrefixIO | port;
}
static inline Addr
x86PciConfigAddress(const uint32_t addr)
{
return PhysAddrPrefixPciConfig | addr;
}
static inline Addr
x86LocalAPICAddress(const uint8_t id, const uint16_t addr)
{
assert(addr < (1 << 12));
return PhysAddrPrefixLocalAPIC | (id * (1 << 12)) | addr;
}
static inline Addr
x86InterruptAddress(const uint8_t id, const uint16_t addr)
{
assert(addr < PhysAddrAPICRangeSize);
return PhysAddrPrefixInterrupts | (id * PhysAddrAPICRangeSize) | addr;
}
}
#endif //__ARCH_X86_X86TRAITS_HH__
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