src/arch/x86/x86_traits.hh

   1 /*
   2  * Copyright (c) 2007 The Hewlett-Packard Development Company
   3  * All rights reserved.
   4  *
   5  * Redistribution and use of this software in source and binary forms,
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  31  * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  44  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  45  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  46  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  47  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  54  *
  55  * Authors: Gabe Black
  56  */
  57
  58 #ifndef __ARCH_X86_X86TRAITS_HH__
  59 #define __ARCH_X86_X86TRAITS_HH__
  60
  61 #include <assert.h>
  62
  63 #include "sim/host.hh"
  64
  65 namespace X86ISA
  66 {
  67     const int NumMicroIntRegs = 16;
  68
  69     const int NumPseudoIntRegs = 1;
  70     //1. The condition code bits of the rflags register.
  71     const int NumImplicitIntRegs = 5;
  72     //1. The lower part of the result of multiplication.
  73     //2. The upper part of the result of multiplication.
  74     //3. The quotient from division
  75     //4. The remainder from division
  76     //5. The divisor for division
  77
  78     const int NumMMXRegs = 8;
  79     const int NumXMMRegs = 16;
  80     const int NumMicroFpRegs = 8;
  81
  82     const int NumCRegs = 16;
  83     const int NumDRegs = 8;
  84
  85     const int NumSegments = 6;
  86     const int NumSysSegments = 4;
  87
  88     const Addr IntAddrPrefixMask = ULL(0xffffffff00000000);
  89     const Addr IntAddrPrefixCPUID = ULL(0x100000000);
  90     const Addr IntAddrPrefixMSR = ULL(0x200000000);
  91     const Addr IntAddrPrefixIO = ULL(0x300000000);
  92
  93     const Addr PhysAddrPrefixIO = ULL(0x8000000000000000);
  94     const Addr PhysAddrPrefixPciConfig = ULL(0xC000000000000000);
  95     const Addr PhysAddrPrefixLocalAPIC = ULL(0xA000000000000000);
  96     const Addr PhysAddrPrefixInterrupts = ULL(0x2000000000000000);
  97     // Each APIC gets two pages. One page is used for local apics to field
  98     // accesses from the CPU, and the other is for all APICs to communicate.
  99     const Addr PhysAddrAPICRangeSize = 1 << 12;
 100
 101     static inline Addr
 102     x86IOAddress(const uint32_t port)
 103     {
 104         return PhysAddrPrefixIO | port;
 105     }
 106
 107     static inline Addr
 108     x86PciConfigAddress(const uint32_t addr)
 109     {
 110         return PhysAddrPrefixPciConfig | addr;
 111     }
 112
 113     static inline Addr
 114     x86LocalAPICAddress(const uint8_t id, const uint16_t addr)
 115     {
 116         assert(addr < (1 << 12));
 117         return PhysAddrPrefixLocalAPIC | (id * (1 << 12)) | addr;
 118     }
 119
 120     static inline Addr
 121     x86InterruptAddress(const uint8_t id, const uint16_t addr)
 122     {
 123         assert(addr < PhysAddrAPICRangeSize);
 124         return PhysAddrPrefixInterrupts | (id * PhysAddrAPICRangeSize) | addr;
 125     }
 126 }
 127
 128 #endif //__ARCH_X86_X86TRAITS_HH__