src/arch/x86/bios/acpi.hh

   1 /*
   2  * Copyright (c) 2008 The Hewlett-Packard Development Company
   3  * All rights reserved.
   4  *
   5  * The license below extends only to copyright in the software and shall
   6  * not be construed as granting a license to any other intellectual
   7  * property including but not limited to intellectual property relating
   8  * to a hardware implementation of the functionality of the software
   9  * licensed hereunder.  You may use the software subject to the license
  10  * terms below provided that you ensure that this notice is replicated
  11  * unmodified and in its entirety in all distributions of the software,
  12  * modified or unmodified, in source code or in binary form.
  13  *
  14  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions are
  16  * met: redistributions of source code must retain the above copyright
  17  * notice, this list of conditions and the following disclaimer;
  18  * redistributions in binary form must reproduce the above copyright
  19  * notice, this list of conditions and the following disclaimer in the
  20  * documentation and/or other materials provided with the distribution;
  21  * neither the name of the copyright holders nor the names of its
  22  * contributors may be used to endorse or promote products derived from
  23  * this software without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  32  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  *
  37  * Authors: Gabe Black
  38  */
  39
  40 #ifndef __ARCH_X86_BIOS_ACPI_HH__
  41 #define __ARCH_X86_BIOS_ACPI_HH__
  42
  43 #include <string>
  44 #include <vector>
  45
  46 #include "base/types.hh"
  47 #include "sim/sim_object.hh"
  48
  49 class Port;
  50
  51 struct X86ACPIRSDPParams;
  52
  53 struct X86ACPISysDescTableParams;
  54 struct X86ACPIRSDTParams;
  55 struct X86ACPIXSDTParams;
  56
  57 namespace X86ISA
  58 {
  59
  60 namespace ACPI
  61 {
  62
  63 class RSDT;
  64 class XSDT;
  65 class SysDescTable;
  66
  67 class RSDP : public SimObject
  68 {
  69   protected:
  70     typedef X86ACPIRSDPParams Params;
  71
  72     static const char signature[];
  73
  74     std::string oemID;
  75     uint8_t revision;
  76
  77     RSDT * rsdt;
  78     XSDT * xsdt;
  79
  80   public:
  81     RSDP(Params *p);
  82 };
  83
  84 class SysDescTable : public SimObject
  85 {
  86   protected:
  87     typedef X86ACPISysDescTableParams Params;
  88
  89     const char * signature;
  90     uint8_t revision;
  91
  92     std::string oemID;
  93     std::string oemTableID;
  94     uint32_t oemRevision;
  95
  96     std::string creatorID;
  97     uint32_t creatorRevision;
  98
  99   public:
 100     SysDescTable(Params *p, const char * _signature, uint8_t _revision);
 101 };
 102
 103 class RSDT : public SysDescTable
 104 {
 105   protected:
 106     typedef X86ACPIRSDTParams Params;
 107
 108     std::vector<SysDescTable *> entries;
 109
 110   public:
 111     RSDT(Params *p);
 112 };
 113
 114 class XSDT : public SysDescTable
 115 {
 116   protected:
 117     typedef X86ACPIXSDTParams Params;
 118
 119     std::vector<SysDescTable *> entries;
 120
 121   public:
 122     XSDT(Params *p);
 123 };
 124
 125 } // namespace ACPI
 126
 127 } // namespace X86ISA
 128
 129 #endif // __ARCH_X86_BIOS_E820_HH__