1 | /* $Id: DevSmc.cpp 100108 2023-06-07 20:05:13Z vboxsync $ */
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2 | /** @file
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3 | * DevSmc - Apple System Management Controller.
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4 | *
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5 | * The SMC is controlling power, fans, take measurements (voltage, temperature,
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6 | * fan speed, ++), and lock Mac OS X to Apple hardware. For more details see:
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7 | * - http://en.wikipedia.org/wiki/System_Management_Controller
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8 | * - http://www.parhelia.ch/blog/statics/k3_keys.html
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9 | * - http://www.nosuchcon.org/talks/D1_02_Alex_Ninjas_and_Harry_Potter.pdf
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10 | */
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11 |
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12 | /*
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13 | * Copyright (C) 2013-2023 Oracle and/or its affiliates.
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14 | *
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15 | * This file is part of VirtualBox base platform packages, as
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16 | * available from https://www.virtualbox.org.
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17 | *
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18 | * This program is free software; you can redistribute it and/or
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19 | * modify it under the terms of the GNU General Public License
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20 | * as published by the Free Software Foundation, in version 3 of the
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21 | * License.
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22 | *
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23 | * This program is distributed in the hope that it will be useful, but
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24 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 | * General Public License for more details.
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27 | *
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28 | * You should have received a copy of the GNU General Public License
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29 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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30 | *
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31 | * SPDX-License-Identifier: GPL-3.0-only
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32 | */
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33 |
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34 |
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35 | /*********************************************************************************************************************************
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36 | * Header Files *
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37 | *********************************************************************************************************************************/
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38 | #define LOG_GROUP LOG_GROUP_DEV_SMC
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39 | #include <VBox/vmm/pdmdev.h>
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40 | #include <VBox/log.h>
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41 | #include <VBox/err.h>
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42 | #include <iprt/assert.h>
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43 | #include <iprt/string.h>
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44 | #if defined(IN_RING0) && (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86))
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45 | # include <iprt/asm-amd64-x86.h>
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46 | # include <iprt/once.h>
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47 | #endif
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48 | #if defined(RT_OS_DARWIN) && defined(IN_RING3) && !defined(VBOX_DEVICE_STRUCT_TESTCASE) /* drags in bad page size define */
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49 | # include "IOKit/IOKitLib.h"
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50 | #endif
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51 |
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52 | #include "VBoxDD.h"
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53 |
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54 |
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55 | /*********************************************************************************************************************************
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56 | * Defined Constants And Macros *
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57 | *********************************************************************************************************************************/
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58 | /** The current version of the saved state. */
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59 | #define SMC_SAVED_STATE_VERSION 1 /** @todo later 2 */
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60 | /** Empty saved state version. */
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61 | #define SMC_SAVED_STATE_VERSION_BAKA 1
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62 |
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63 | /** The ring-0 operation number that attempts to get OSK0 and OSK1 from the real
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64 | * SMC. */
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65 | #define SMC_CALLR0_READ_OSK 1
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66 |
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67 |
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68 | /** @name Apple SMC port and register definitions.
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69 | * @{ */
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70 |
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71 | /** The first Apple SMC port. */
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72 | #define SMC_PORT_FIRST 0x0300
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73 | /** The number of registers (also ports). */
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74 | #define SMC_REG_COUNT 0x0020
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75 |
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76 | /** The data register. */
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77 | #define SMC_REG_DATA 0x00
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78 | #define SMC_PORT_DATA (SMC_PORT_FIRST + SMC_REG_DATA)
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79 |
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80 | /** The command register. */
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81 | #define SMC_REG_CMD 0x04
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82 | #define SMC_PORT_CMD (SMC_PORT_FIRST + SMC_REG_CMD)
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83 |
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84 | /** Status code register. */
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85 | #define SMC_REG_STATUS_CODE 0x1e
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86 | #define SMC_PORT_STATUS_CODE (SMC_PORT_FIRST + SMC_REG_STATUS_CODE)
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87 | /** @} */
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88 |
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89 | /** @name Apple SMC Commands.
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90 | * @{ */
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91 | #define SMC_CMD_GET_KEY_VALUE 0x10
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92 | #define SMC_CMD_PUT_KEY 0x11
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93 | #define SMC_CMD_GET_KEY_BY_INDEX 0x12
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94 | #define SMC_CMD_GET_KEY_INFO 0x13
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95 | /** @} */
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96 |
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97 | /** @name Apple SMC Status Codes.
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98 | * @{ */
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99 | #define SMC_STATUS_CD_SUCCESS UINT8_C(0x00)
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100 | #define SMC_STATUS_CD_COMM_COLLISION UINT8_C(0x80)
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101 | #define SMC_STATUS_CD_SPURIOUS_DATA UINT8_C(0x81)
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102 | #define SMC_STATUS_CD_BAD_COMMAND UINT8_C(0x82)
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103 | #define SMC_STATUS_CD_BAD_PARAMETER UINT8_C(0x83)
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104 | #define SMC_STATUS_CD_KEY_NOT_FOUND UINT8_C(0x84)
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105 | #define SMC_STATUS_CD_KEY_NOT_READABLE UINT8_C(0x85)
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106 | #define SMC_STATUS_CD_KEY_NOT_WRITABLE UINT8_C(0x86)
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107 | #define SMC_STATUS_CD_KEY_SIZE_MISMATCH UINT8_C(0x87)
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108 | #define SMC_STATUS_CD_FRAMING_ERROR UINT8_C(0x88)
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109 | #define SMC_STATUS_CD_BAD_ARGUMENT_ERROR UINT8_C(0x89)
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110 | #define SMC_STATUS_CD_TIMEOUT_ERROR UINT8_C(0xb7)
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111 | #define SMC_STATUS_CD_KEY_INDEX_RANGE_ERROR UINT8_C(0xb8)
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112 | #define SMC_STATUS_CD_BAD_FUNC_PARAMETER UINT8_C(0xc0)
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113 | #define SMC_STATUS_CD_EVENT_BUFF_WRONG_ORDER UINT8_C(0x??)
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114 | #define SMC_STATUS_CD_EVENT_BUFF_READ_ERROR UINT8_C(0x??)
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115 | #define SMC_STATUS_CD_DEVICE_ACCESS_ERROR UINT8_C(0xc7)
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116 | #define SMC_STATUS_CD_UNSUPPORTED_FEATURE UINT8_C(0xcb)
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117 | #define SMC_STATUS_CD_SMB_ACCESS_ERROR UINT8_C(0xcc)
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118 | /** @} */
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119 |
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120 | /** @name Apple SMC Key Attributes.
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121 | * @{ */
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122 | #define SMC_KEY_ATTR_PRIVATE UINT8_C(0x01)
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123 | #define SMC_KEY_ATTR_UKN_0x02 UINT8_C(0x02)
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124 | #define SMC_KEY_ATTR_UKN_0x04 UINT8_C(0x04)
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125 | #define SMC_KEY_ATTR_CONST UINT8_C(0x08)
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126 | #define SMC_KEY_ATTR_FUNCTION UINT8_C(0x10)
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127 | #define SMC_KEY_ATTR_UKN_0x20 UINT8_C(0x20)
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128 | #define SMC_KEY_ATTR_WRITE UINT8_C(0x40)
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129 | #define SMC_KEY_ATTR_READ UINT8_C(0x80)
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130 | /** @} */
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131 |
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132 |
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133 | /** The index of the first enumerable key in g_aSmcKeys. */
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134 | #define SMC_KEYIDX_FIRST_ENUM 2
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135 |
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136 | /** Macro for emitting a static DEVSMC4CHID initializer. */
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137 | #define SMC4CH(ch1, ch2, ch3, ch4) { { ch1, ch2, ch3, ch4 } }
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138 |
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139 | /**
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140 | * Macro for comparing DEVSMC4CHID with a string value.
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141 | * @returns true if equal, false if not.
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142 | */
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143 | #define SMC4CH_EQ(a_pSmcKey, a_sz4) ( (a_pSmcKey)->u32 == RT_MAKE_U32_FROM_U8(a_sz4[0], a_sz4[1], a_sz4[2], a_sz4[3]) )
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144 |
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145 | /** Indicates the we want a 2.x SMC. */
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146 | #define VBOX_WITH_SMC_2_x
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147 |
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148 |
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149 | /*********************************************************************************************************************************
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150 | * Structures and Typedefs *
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151 | *********************************************************************************************************************************/
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152 |
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153 | /**
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154 | * 4 char identifier
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155 | */
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156 | typedef union DEVSMC4CHID
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157 | {
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158 | /** Byte view. */
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159 | uint8_t ab[4];
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160 | /** 32-bit unsigned integer view. */
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161 | uint32_t u32;
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162 | } DEVSMC4CHID;
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163 |
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164 |
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165 | /**
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166 | * Current key data area for communicating with the guest.
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167 | */
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168 | typedef struct DEVSMCCURKEY
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169 | {
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170 | /** The key. */
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171 | DEVSMC4CHID Key;
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172 | /** The data type. */
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173 | DEVSMC4CHID Type;
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174 | /** Key attributes. */
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175 | uint8_t fAttr;
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176 | /** The value length. */
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177 | uint8_t cbValue;
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178 | uint8_t abAlignment[2];
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179 | /**
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180 | * The value union. 32 bytes is probably sufficient here, but we provide a
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181 | * little more room since it doesn't cost us anything. */
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182 | union
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183 | {
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184 | /** Byte view. */
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185 | uint8_t ab[128];
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186 | /** 16-bit view. */
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187 | uint16_t u16;
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188 | /** 32-bit view. */
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189 | uint32_t u32;
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190 | } Value;
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191 | } DEVSMCCURKEY;
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192 | AssertCompileSize(DEVSMCCURKEY, 128+12);
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193 | /** Pointer to the current key buffer. */
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194 | typedef DEVSMCCURKEY *PDEVSMCCURKEY;
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195 | /** Const pointer to the current key buffer. */
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196 | typedef DEVSMCCURKEY const *PCDEVSMCCURKEY;
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197 |
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198 |
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199 | /**
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200 | * The device
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201 | */
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202 | typedef struct DEVSMC
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203 | {
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204 | /** The current command (SMC_PORT_CMD write). */
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205 | uint8_t bCmd;
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206 | /** Current key offset. */
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207 | uint8_t offKey;
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208 | /** Current value offset. */
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209 | uint8_t offValue;
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210 | /** Number of keys in the aKeys array. */
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211 | uint8_t cKeys;
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212 |
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213 | /** The current key data the user is accessing. */
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214 | DEVSMCCURKEY CurKey;
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215 |
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216 | /**
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217 | * Generic read/write register values.
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218 | *
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219 | * The DATA register entry is not used at all. The CMD register entry contains
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220 | * the state value.
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221 | */
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222 | union
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223 | {
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224 | /** Index register view. */
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225 | uint8_t abRegsRW[SMC_REG_COUNT];
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226 | /** Named register view. */
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227 | struct
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228 | {
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229 | uint8_t abUnknown0[0x04];
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230 | /** The current state (SMC_PORT_CMD read). */
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231 | uint8_t bState;
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232 | uint8_t abUnknown1[0x1e - 0x05];
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233 | /** The current status code (SMC_PORT_STATUS_CODE). */
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234 | uint8_t bStatusCode;
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235 | uint8_t abUnknown2[1];
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236 | } s;
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237 | } u;
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238 |
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239 | /** @name Key data.
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240 | * @{ */
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241 | /** OSK0 and OSK1. */
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242 | char szOsk0And1[64+1];
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243 | /** $Num - unknown function. */
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244 | uint8_t bDollaryNumber;
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245 | /** MSSD - shutdown reason. */
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246 | uint8_t bShutdownReason;
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247 | /** NATJ - Ninja action timer job. */
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248 | uint8_t bNinjaActionTimerJob;
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249 | /** @} */
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250 |
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251 | /** The I/O port registration handle. */
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252 | IOMIOPORTHANDLE hIoPorts;
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253 | } DEVSMC;
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254 | #ifndef _MSC_VER
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255 | AssertCompileMembersAtSameOffset(DEVSMC, u.abRegsRW[SMC_REG_CMD], DEVSMC, u.s.bState);
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256 | AssertCompileMembersAtSameOffset(DEVSMC, u.abRegsRW[SMC_REG_STATUS_CODE], DEVSMC, u.s.bStatusCode);
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257 | #endif
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258 |
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259 | /** Pointer to the SMC state. */
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260 | typedef DEVSMC *PDEVSMC;
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261 |
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262 | #ifndef VBOX_DEVICE_STRUCT_TESTCASE
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263 |
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264 |
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265 | /**
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266 | * Method for retriving the key value and/or optionally also attributes.
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267 | *
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268 | * @returns Apple SMC Status Code.
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269 | * @param pThis The SMC instance data.
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270 | * @param pCurKey The current key structure (input / output).
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271 | * @param bCmd The current command (mostly for getters that also
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272 | * provides attributes or type info).
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273 | * @param pKeyDesc Pointer to the key descriptor so that the getter can
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274 | * service more than once key.
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275 | */
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276 | typedef DECLCALLBACKTYPE(uint8_t, FNDEVSMCKEYGETTER,(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd,
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277 | struct DEVSMCKEYDESC const *pKeyDesc));
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278 |
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279 | /**
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280 | * Method for setting the key value.
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281 | *
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282 | * @returns Apple SMC Status Code.
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283 | * @param pThis The SMC instance data.
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284 | * @param pCurKey The current key structure (input / output).
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285 | * @param bCmd The current command (currently not relevant).
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286 | * @param pKeyDesc Pointer to the key descriptor so that the getter can
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287 | * service more than once key.
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288 | */
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289 | typedef DECLCALLBACKTYPE(uint8_t, FNDEVSMCKEYPUTTER,(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd,
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290 | struct DEVSMCKEYDESC const *pKeyDesc));
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291 |
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292 | /**
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293 | * Key descriptor.
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294 | */
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295 | typedef struct DEVSMCKEYDESC
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296 | {
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297 | /** The key 4 character identifier. */
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298 | DEVSMC4CHID Key;
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299 | /** Type 4 character identifier. 0 means the getter will set it dynamically. */
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300 | DEVSMC4CHID Type;
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301 | /** Getter method, see FNDEVSMCKEYGETTER. */
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302 | FNDEVSMCKEYGETTER *pfnGet;
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303 | /** Putter method, see FNDEVSMCKEYPUTTER. */
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304 | FNDEVSMCKEYPUTTER *pfnPut;
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305 | /** The keyvalue size. If 0 the pfnGet/pfnPut will define/check the size. */
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306 | uint8_t cbValue;
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307 | /** Attributes. 0 means the getter will set it dynamically. */
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308 | uint8_t fAttr;
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309 | } DEVSMCKEYDESC;
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310 | /** Pointer to a constant SMC key descriptor. */
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311 | typedef DEVSMCKEYDESC const *PCDEVSMCKEYDESC;
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312 |
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313 |
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314 | /*********************************************************************************************************************************
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315 | * Internal Functions *
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316 | *********************************************************************************************************************************/
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317 | static FNDEVSMCKEYGETTER scmKeyGetOSKs;
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318 | static FNDEVSMCKEYGETTER scmKeyGetKeyCount;
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319 | static FNDEVSMCKEYGETTER scmKeyGetRevision;
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320 | #ifdef VBOX_WITH_SMC_2_x
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321 | static FNDEVSMCKEYGETTER scmKeyGetDollarAddress;
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322 | static FNDEVSMCKEYGETTER scmKeyGetDollarNumber;
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323 | static FNDEVSMCKEYPUTTER scmKeyPutDollarNumber;
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324 | #endif
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325 | static FNDEVSMCKEYGETTER scmKeyGetShutdownReason;
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326 | static FNDEVSMCKEYPUTTER scmKeyPutShutdownReason;
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327 | static FNDEVSMCKEYGETTER scmKeyGetNinjaTimerAction;
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328 | static FNDEVSMCKEYPUTTER scmKeyPutNinjaTimerAction;
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329 | static FNDEVSMCKEYGETTER scmKeyGetOne;
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330 | static FNDEVSMCKEYGETTER scmKeyGetZero;
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331 |
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332 |
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333 | /*********************************************************************************************************************************
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334 | * Global Variables *
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335 | *********************************************************************************************************************************/
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336 | /**
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337 | * Apple SMC key descriptor table.
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338 | */
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339 | static const DEVSMCKEYDESC g_aSmcKeys[] =
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340 | {
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341 | /* Non-enum keys first. */
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342 | { SMC4CH('O','S','K','0'), SMC4CH('c','h','8','*'), scmKeyGetOSKs, NULL, 32, SMC_KEY_ATTR_READ | SMC_KEY_ATTR_FUNCTION },
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343 | { SMC4CH('O','S','K','1'), SMC4CH('c','h','8','*'), scmKeyGetOSKs, NULL, 32, SMC_KEY_ATTR_READ | SMC_KEY_ATTR_FUNCTION },
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344 |
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345 | /* The first enum key is the #KEY value. */
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346 | { SMC4CH('#','K','E','Y'), SMC4CH('u','i','3','2'), scmKeyGetKeyCount, NULL, 4, SMC_KEY_ATTR_READ },
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347 | # ifdef VBOX_WITH_SMC_2_x
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348 | { SMC4CH('$','A','d','r'), SMC4CH('u','i','3','2'), scmKeyGetDollarAddress, NULL, 4, SMC_KEY_ATTR_READ },
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349 | { SMC4CH('$','N','u','m'), SMC4CH('u','i','8',' '), scmKeyGetDollarNumber, scmKeyPutDollarNumber, 1, SMC_KEY_ATTR_READ | SMC_KEY_ATTR_WRITE | SMC_KEY_ATTR_PRIVATE },
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350 | { SMC4CH('B','E','M','B'), SMC4CH('f','l','a','g'), scmKeyGetOne, NULL, 1, SMC_KEY_ATTR_READ },
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351 | # else
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352 | { SMC4CH('L','S','O','F'), SMC4CH('f','l','a','g'), scmKeyGetZero, NULL, 1, SMC_KEY_ATTR_READ },
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353 | # endif
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354 | { SMC4CH('M','S','S','D'), SMC4CH('s','i','8',' '), scmKeyGetShutdownReason, scmKeyPutShutdownReason, 1, SMC_KEY_ATTR_READ | SMC_KEY_ATTR_WRITE | SMC_KEY_ATTR_PRIVATE },
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355 | /* MSDS is not present on MacPro3,1 nor MacBookPro10,1, so returning not found is fine. */
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356 | # ifdef VBOX_WITH_SMC_2_x
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357 | { SMC4CH('M','S','T','f'), SMC4CH('u','i','8',' '), scmKeyGetZero, NULL, 1, SMC_KEY_ATTR_READ },
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358 | # endif
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359 | { SMC4CH('N','A','T','J'), SMC4CH('u','i','8',' '), scmKeyGetNinjaTimerAction, scmKeyPutNinjaTimerAction, 1, SMC_KEY_ATTR_READ | SMC_KEY_ATTR_WRITE | SMC_KEY_ATTR_PRIVATE },
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360 | { SMC4CH('R','E','V',' '), SMC4CH('{','r','e','v'), scmKeyGetRevision, NULL, 6, SMC_KEY_ATTR_READ },
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361 | /** @todo MSSP, NTOK and more. */
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362 | };
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363 |
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364 | #if defined(IN_RING0) && (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86))
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365 |
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366 | /** Do once for the SMC ring-0 static data (g_abOsk0And1, g_fHaveOsk). */
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367 | static RTONCE g_SmcR0Once = RTONCE_INITIALIZER;
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368 | /** Indicates whether we've successfully queried the OSK* keys. */
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369 | static bool g_fHaveOsk = false;
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370 | /** The OSK0 and OSK1 values. */
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371 | static uint8_t g_abOsk0And1[32+32];
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372 |
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373 |
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374 | /**
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375 | * Waits for the specified state on the host SMC.
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376 | *
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377 | * @returns success indicator.
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378 | * @param bState The desired state.
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379 | * @param pszWhat What we're currently doing. For the log.
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380 | */
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381 | static bool devR0SmcWaitHostState(uint8_t bState, const char *pszWhat)
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382 | {
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383 | uint8_t bCurState = 0; /* (MSC is potentially uninitialized) */
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384 | for (uint32_t cMsSleep = 1; cMsSleep <= 64; cMsSleep <<= 1)
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385 | {
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386 | RTThreadSleep(cMsSleep);
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387 | bCurState = ASMInU16(SMC_PORT_CMD);
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388 | if ((bCurState & 0xf) == bState)
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389 | return true;
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390 | }
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391 |
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392 | LogRel(("devR0Smc: %s: bCurState=%#x, wanted %#x.\n", pszWhat, bCurState, bState));
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393 | #if 0
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394 | uint8_t bCurStatus2 = ASMInU8(SMC_PORT_STATUS_CODE);
|
---|
395 | uint8_t bCurStatus3 = ASMInU8(SMC_PORT_STATUS_CODE);
|
---|
396 | uint16_t wCurStatus3 = ASMInU16(SMC_PORT_STATUS_CODE);
|
---|
397 | uint32_t dwCurStatus3 = ASMInU32(SMC_PORT_STATUS_CODE);
|
---|
398 | LogRel(("SMC: status2=%#x status3=%#x w=%#x dw=%#x\n", bCurStatus2, bCurStatus3, wCurStatus3, dwCurStatus3));
|
---|
399 | #endif
|
---|
400 | return false;
|
---|
401 | }
|
---|
402 |
|
---|
403 |
|
---|
404 | /**
|
---|
405 | * Reads a key by name from the host SMC.
|
---|
406 | *
|
---|
407 | * @returns success indicator.
|
---|
408 | * @param pszName The key name, must be exactly 4 chars long.
|
---|
409 | * @param pbBuf The output buffer.
|
---|
410 | * @param cbBuf The buffer size. Max 32 bytes.
|
---|
411 | */
|
---|
412 | static bool devR0SmcQueryHostKey(const char *pszName, uint8_t *pbBuf, size_t cbBuf)
|
---|
413 | {
|
---|
414 | Assert(strlen(pszName) == 4);
|
---|
415 | Assert(cbBuf <= 32);
|
---|
416 | Assert(cbBuf > 0);
|
---|
417 |
|
---|
418 | /*
|
---|
419 | * Issue the READ command.
|
---|
420 | */
|
---|
421 | uint32_t cMsSleep = 1;
|
---|
422 | for (;;)
|
---|
423 | {
|
---|
424 | ASMOutU32(SMC_PORT_CMD, SMC_CMD_GET_KEY_VALUE);
|
---|
425 | RTThreadSleep(cMsSleep);
|
---|
426 | uint8_t bCurState = ASMInU8(SMC_PORT_CMD);
|
---|
427 | if ((bCurState & 0xf) == 0xc)
|
---|
428 | break;
|
---|
429 | cMsSleep <<= 1;
|
---|
430 | if (cMsSleep > 64)
|
---|
431 | {
|
---|
432 | LogRel(("devR0Smc: %s: bCurState=%#x, wanted %#x.\n", "cmd", bCurState, 0xc));
|
---|
433 | return false;
|
---|
434 | }
|
---|
435 | }
|
---|
436 |
|
---|
437 | /*
|
---|
438 | * Send it the key.
|
---|
439 | */
|
---|
440 | for (unsigned off = 0; off < 4; off++)
|
---|
441 | {
|
---|
442 | ASMOutU8(SMC_PORT_DATA, pszName[off]);
|
---|
443 | if (!devR0SmcWaitHostState(4, "key"))
|
---|
444 | return false;
|
---|
445 | }
|
---|
446 |
|
---|
447 | /*
|
---|
448 | * The desired amount of output.
|
---|
449 | */
|
---|
450 | ASMOutU8(SMC_PORT_DATA, (uint8_t)cbBuf);
|
---|
451 |
|
---|
452 | /*
|
---|
453 | * Read the output.
|
---|
454 | */
|
---|
455 | for (size_t off = 0; off < cbBuf; off++)
|
---|
456 | {
|
---|
457 | if (!devR0SmcWaitHostState(5, off ? "data" : "len"))
|
---|
458 | return false;
|
---|
459 | pbBuf[off] = ASMInU8(SMC_PORT_DATA);
|
---|
460 | }
|
---|
461 |
|
---|
462 | LogRel(("SMC: pbBuf=%.*s\n", cbBuf, pbBuf));
|
---|
463 | return true;
|
---|
464 | }
|
---|
465 |
|
---|
466 |
|
---|
467 | /**
|
---|
468 | * RTOnce callback that initializes g_fHaveOsk and g_abOsk0And1.
|
---|
469 | *
|
---|
470 | * @returns VINF_SUCCESS.
|
---|
471 | * @param pvUserIgnored Ignored.
|
---|
472 | */
|
---|
473 | static DECLCALLBACK(int) devR0SmcInitOnce(void *pvUserIgnored)
|
---|
474 | {
|
---|
475 | g_fHaveOsk = devR0SmcQueryHostKey("OSK0", &g_abOsk0And1[0], 32)
|
---|
476 | && devR0SmcQueryHostKey("OSK1", &g_abOsk0And1[32], 32);
|
---|
477 |
|
---|
478 | #if 0
|
---|
479 | /*
|
---|
480 | * Dump the device registers.
|
---|
481 | */
|
---|
482 | for (uint16_t uPort = 0x300; uPort < 0x320; uPort ++)
|
---|
483 | LogRel(("SMC: %#06x=%#010x w={%#06x, %#06x}, b={%#04x %#04x %#04x %#04x}\n", uPort,
|
---|
484 | ASMInU32(uPort), ASMInU16(uPort), ASMInU16(uPort + 2),
|
---|
485 | ASMInU8(uPort), ASMInU8(uPort + 1), ASMInU8(uPort +2), ASMInU8(uPort + 3) ));
|
---|
486 | #endif
|
---|
487 |
|
---|
488 | NOREF(pvUserIgnored);
|
---|
489 | return VINF_SUCCESS;
|
---|
490 | }
|
---|
491 |
|
---|
492 |
|
---|
493 | /**
|
---|
494 | * @interface_method_impl{PDMDEVREGR0,pfnRequest}
|
---|
495 | */
|
---|
496 | static DECLCALLBACK(int) devR0SmcReqHandler(PPDMDEVINS pDevIns, uint32_t uReq, uint64_t uArg)
|
---|
497 | {
|
---|
498 | PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
|
---|
499 | int rc = VERR_INVALID_FUNCTION;
|
---|
500 | RT_NOREF_PV(uArg);
|
---|
501 |
|
---|
502 | if (uReq == SMC_CALLR0_READ_OSK)
|
---|
503 | {
|
---|
504 | rc = RTOnce(&g_SmcR0Once, devR0SmcInitOnce, NULL);
|
---|
505 | if ( RT_SUCCESS(rc)
|
---|
506 | && g_fHaveOsk)
|
---|
507 | {
|
---|
508 | AssertCompile(sizeof(g_abOsk0And1) + 1 == sizeof(pThis->szOsk0And1));
|
---|
509 | memcpy(pThis->szOsk0And1, g_abOsk0And1, sizeof(pThis->szOsk0And1) - 1);
|
---|
510 | pThis->szOsk0And1[sizeof(pThis->szOsk0And1) - 1] = '\0';
|
---|
511 | }
|
---|
512 | }
|
---|
513 | return rc;
|
---|
514 | }
|
---|
515 |
|
---|
516 | #endif /* IN_RING0 && (AMD64 || X86) */
|
---|
517 |
|
---|
518 | #if defined(IN_RING3) && defined(RT_OS_DARWIN)
|
---|
519 |
|
---|
520 | /**
|
---|
521 | * Preferred method to retrieve the SMC key.
|
---|
522 | *
|
---|
523 | * @param pabKey where to store the key.
|
---|
524 | * @param cbKey size of the buffer.
|
---|
525 | */
|
---|
526 | static int getSmcKeyOs(char *pabKey, uint32_t cbKey)
|
---|
527 | {
|
---|
528 | /*
|
---|
529 | * Method as described in Amit Singh's article:
|
---|
530 | * http://osxbook.com/book/bonus/chapter7/tpmdrmmyth/
|
---|
531 | */
|
---|
532 | typedef struct
|
---|
533 | {
|
---|
534 | uint32_t key;
|
---|
535 | uint8_t pad0[22];
|
---|
536 | uint32_t datasize;
|
---|
537 | uint8_t pad1[10];
|
---|
538 | uint8_t cmd;
|
---|
539 | uint32_t pad2;
|
---|
540 | uint8_t data[32];
|
---|
541 | } AppleSMCBuffer;
|
---|
542 |
|
---|
543 | AssertReturn(cbKey >= 65, VERR_INTERNAL_ERROR);
|
---|
544 |
|
---|
545 | RT_GCC_NO_WARN_DEPRECATED_BEGIN /* kIOMasterPortDefault: Deprecated since 12.0. */
|
---|
546 | io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault,
|
---|
547 | IOServiceMatching("AppleSMC"));
|
---|
548 | RT_GCC_NO_WARN_DEPRECATED_END
|
---|
549 | if (!service)
|
---|
550 | return VERR_NOT_FOUND;
|
---|
551 |
|
---|
552 | io_connect_t port = (io_connect_t)0;
|
---|
553 | kern_return_t kr = IOServiceOpen(service, mach_task_self(), 0, &port);
|
---|
554 | IOObjectRelease(service);
|
---|
555 |
|
---|
556 | if (kr != kIOReturnSuccess)
|
---|
557 | return RTErrConvertFromDarwin(kr);
|
---|
558 |
|
---|
559 | AppleSMCBuffer inputStruct = { 0, {0}, 32, {0}, 5, };
|
---|
560 | AppleSMCBuffer outputStruct;
|
---|
561 | size_t cbOutputStruct = sizeof(outputStruct);
|
---|
562 |
|
---|
563 | for (int i = 0; i < 2; i++)
|
---|
564 | {
|
---|
565 | inputStruct.key = (uint32_t)(i == 0 ? 'OSK0' : 'OSK1');
|
---|
566 | kr = IOConnectCallStructMethod((mach_port_t)port,
|
---|
567 | (uint32_t)2,
|
---|
568 | (const void *)&inputStruct,
|
---|
569 | sizeof(inputStruct),
|
---|
570 | (void *)&outputStruct,
|
---|
571 | &cbOutputStruct);
|
---|
572 | if (kr != kIOReturnSuccess)
|
---|
573 | {
|
---|
574 | IOServiceClose(port);
|
---|
575 | return RTErrConvertFromDarwin(kr);
|
---|
576 | }
|
---|
577 |
|
---|
578 | for (int j = 0; j < 32; j++)
|
---|
579 | pabKey[j + i*32] = outputStruct.data[j];
|
---|
580 | }
|
---|
581 |
|
---|
582 | IOServiceClose(port);
|
---|
583 |
|
---|
584 | pabKey[64] = 0;
|
---|
585 |
|
---|
586 | return VINF_SUCCESS;
|
---|
587 | }
|
---|
588 |
|
---|
589 | #endif /* IN_RING3 && RT_OS_DARWIN */
|
---|
590 |
|
---|
591 |
|
---|
592 | /** @callback_method_impl{FNDEVSMCKEYGETTER, OSK0 and OSK1} */
|
---|
593 | static DECLCALLBACK(uint8_t) scmKeyGetOSKs(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
594 | {
|
---|
595 | RT_NOREF1(bCmd);
|
---|
596 | Assert(SMC4CH_EQ(&pKeyDesc->Key, "OSK0") || SMC4CH_EQ(&pKeyDesc->Key, "OSK1"));
|
---|
597 | const char *pszSrc = pThis->szOsk0And1;
|
---|
598 | if (SMC4CH_EQ(&pKeyDesc->Key, "OSK1"))
|
---|
599 | pszSrc += 32;
|
---|
600 | memcpy(pCurKey->Value.ab, pszSrc, 32);
|
---|
601 | return SMC_STATUS_CD_SUCCESS;
|
---|
602 | }
|
---|
603 |
|
---|
604 |
|
---|
605 | /** @callback_method_impl{FNDEVSMCKEYGETTER, \#KEY} */
|
---|
606 | static DECLCALLBACK(uint8_t) scmKeyGetKeyCount(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
607 | {
|
---|
608 | RT_NOREF3(pThis, bCmd, pKeyDesc);
|
---|
609 | Assert(pKeyDesc == &g_aSmcKeys[SMC_KEYIDX_FIRST_ENUM]);
|
---|
610 | uint32_t cKeys = RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM;
|
---|
611 | pCurKey->Value.u32 = RT_H2BE_U32(cKeys);
|
---|
612 | return SMC_STATUS_CD_SUCCESS;
|
---|
613 | }
|
---|
614 |
|
---|
615 |
|
---|
616 | /** @callback_method_impl{FNDEVSMCKEYGETTER, REV - Source revision.} */
|
---|
617 | static DECLCALLBACK(uint8_t) scmKeyGetRevision(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
618 | {
|
---|
619 | RT_NOREF3(pThis, bCmd, pKeyDesc);
|
---|
620 | #ifdef VBOX_WITH_SMC_2_x
|
---|
621 | pCurKey->Value.ab[0] = 0x02;
|
---|
622 | pCurKey->Value.ab[1] = 0x03;
|
---|
623 | pCurKey->Value.ab[2] = 0x0f;
|
---|
624 | pCurKey->Value.ab[3] = 0x00;
|
---|
625 | pCurKey->Value.ab[4] = 0x00;
|
---|
626 | pCurKey->Value.ab[5] = 0x35;
|
---|
627 | #else
|
---|
628 | pCurKey->Value.ab[0] = 0x01;
|
---|
629 | pCurKey->Value.ab[1] = 0x25;
|
---|
630 | pCurKey->Value.ab[2] = 0x0f;
|
---|
631 | pCurKey->Value.ab[3] = 0x00;
|
---|
632 | pCurKey->Value.ab[4] = 0x00;
|
---|
633 | pCurKey->Value.ab[5] = 0x04;
|
---|
634 | #endif
|
---|
635 | return SMC_STATUS_CD_SUCCESS;
|
---|
636 | }
|
---|
637 |
|
---|
638 | #ifdef VBOX_WITH_SMC_2_x
|
---|
639 |
|
---|
640 | /** @callback_method_impl{FNDEVSMCKEYGETTER, $Adr - SMC address.} */
|
---|
641 | static DECLCALLBACK(uint8_t) scmKeyGetDollarAddress(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
642 | {
|
---|
643 | RT_NOREF3(pThis, bCmd, pKeyDesc);
|
---|
644 | pCurKey->Value.u32 = RT_H2BE_U32(SMC_PORT_FIRST);
|
---|
645 | return VINF_SUCCESS;
|
---|
646 | }
|
---|
647 |
|
---|
648 |
|
---|
649 | /** @callback_method_impl{FNDEVSMCKEYGETTER, $Num - Some kind of number.} */
|
---|
650 | static DECLCALLBACK(uint8_t) scmKeyGetDollarNumber(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
651 | {
|
---|
652 | RT_NOREF2(bCmd, pKeyDesc);
|
---|
653 | pCurKey->Value.ab[0] = pThis->bDollaryNumber;
|
---|
654 | return VINF_SUCCESS;
|
---|
655 | }
|
---|
656 |
|
---|
657 | /** @callback_method_impl{FNDEVSMCKEYPUTTER, $Num - Some kind of number.} */
|
---|
658 | static DECLCALLBACK(uint8_t) scmKeyPutDollarNumber(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
659 | {
|
---|
660 | RT_NOREF2(bCmd, pKeyDesc);
|
---|
661 | Log(("scmKeyPutDollarNumber: %#x -> %#x\n", pThis->bDollaryNumber, pCurKey->Value.ab[0]));
|
---|
662 | pThis->bDollaryNumber = pCurKey->Value.ab[0];
|
---|
663 | return VINF_SUCCESS;
|
---|
664 | }
|
---|
665 |
|
---|
666 | #endif /* VBOX_WITH_SMC_2_x */
|
---|
667 |
|
---|
668 | /** @callback_method_impl{FNDEVSMCKEYGETTER, MSSD - Machine Shutdown reason.} */
|
---|
669 | static DECLCALLBACK(uint8_t) scmKeyGetShutdownReason(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
670 | {
|
---|
671 | RT_NOREF2(bCmd, pKeyDesc);
|
---|
672 | pCurKey->Value.ab[0] = pThis->bShutdownReason;
|
---|
673 | return SMC_STATUS_CD_SUCCESS;
|
---|
674 | }
|
---|
675 |
|
---|
676 |
|
---|
677 | /** @callback_method_impl{FNDEVSMCKEYPUTTER, MSSD - Machine Shutdown reason.} */
|
---|
678 | static DECLCALLBACK(uint8_t) scmKeyPutShutdownReason(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
679 | {
|
---|
680 | RT_NOREF2(bCmd, pKeyDesc);
|
---|
681 | Log(("scmKeyPutShutdownReason: %#x -> %#x\n", pThis->bShutdownReason, pCurKey->Value.ab[0]));
|
---|
682 | pThis->bShutdownReason = pCurKey->Value.ab[0];
|
---|
683 | return SMC_STATUS_CD_SUCCESS;
|
---|
684 | }
|
---|
685 |
|
---|
686 |
|
---|
687 | /** @callback_method_impl{FNDEVSMCKEYGETTER, MSSD - Ninja timer action job.} */
|
---|
688 | static DECLCALLBACK(uint8_t)
|
---|
689 | scmKeyGetNinjaTimerAction(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
690 | {
|
---|
691 | RT_NOREF2(bCmd, pKeyDesc);
|
---|
692 | pCurKey->Value.ab[0] = pThis->bNinjaActionTimerJob;
|
---|
693 | return SMC_STATUS_CD_SUCCESS;
|
---|
694 | }
|
---|
695 |
|
---|
696 |
|
---|
697 | /** @callback_method_impl{FNDEVSMCKEYPUTTER, NATJ - Ninja timer action job.} */
|
---|
698 | static DECLCALLBACK(uint8_t)
|
---|
699 | scmKeyPutNinjaTimerAction(PDEVSMC pThis, PCDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
700 | {
|
---|
701 | RT_NOREF2(bCmd, pKeyDesc);
|
---|
702 | Log(("scmKeyPutNinjaTimerAction: %#x -> %#x\n", pThis->bNinjaActionTimerJob, pCurKey->Value.ab[0]));
|
---|
703 | pThis->bNinjaActionTimerJob = pCurKey->Value.ab[0];
|
---|
704 | return SMC_STATUS_CD_SUCCESS;
|
---|
705 | }
|
---|
706 |
|
---|
707 | #ifdef VBOX_WITH_SMC_2_x
|
---|
708 |
|
---|
709 | /** @callback_method_impl{FNDEVSMCKEYGETTER, Generic one getter.} */
|
---|
710 | static DECLCALLBACK(uint8_t) scmKeyGetOne(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
711 | {
|
---|
712 | RT_NOREF2(pThis, bCmd);
|
---|
713 | memset(&pCurKey->Value.ab[0], 0, pKeyDesc->cbValue);
|
---|
714 | pCurKey->Value.ab[pKeyDesc->cbValue - 1] = 1;
|
---|
715 | return SMC_STATUS_CD_SUCCESS;
|
---|
716 | }
|
---|
717 |
|
---|
718 | #endif /* VBOX_WITH_SMC_2_x */
|
---|
719 |
|
---|
720 | /** @callback_method_impl{FNDEVSMCKEYGETTER, Generic zero getter.} */
|
---|
721 | static DECLCALLBACK(uint8_t) scmKeyGetZero(PDEVSMC pThis, PDEVSMCCURKEY pCurKey, uint8_t bCmd, PCDEVSMCKEYDESC pKeyDesc)
|
---|
722 | {
|
---|
723 | RT_NOREF2(pThis, bCmd);
|
---|
724 | memset(&pCurKey->Value.ab[0], 0, pKeyDesc->cbValue);
|
---|
725 | return SMC_STATUS_CD_SUCCESS;
|
---|
726 | }
|
---|
727 |
|
---|
728 |
|
---|
729 | /**
|
---|
730 | * Looks up a key and copies its value and attributes into the CurKey.
|
---|
731 | *
|
---|
732 | * @returns Key index on success, UINT32_MAX on failure.
|
---|
733 | * @param uKeyValue The key value (DEVSMC4CHID.u32).
|
---|
734 | */
|
---|
735 | static uint32_t smcKeyLookup(uint32_t uKeyValue)
|
---|
736 | {
|
---|
737 | uint32_t iKey = RT_ELEMENTS(g_aSmcKeys);
|
---|
738 | while (iKey-- > 0)
|
---|
739 | if (g_aSmcKeys[iKey].Key.u32 == uKeyValue)
|
---|
740 | return iKey;
|
---|
741 | return UINT32_MAX;
|
---|
742 | }
|
---|
743 |
|
---|
744 |
|
---|
745 | /**
|
---|
746 | * Looks up a key and copies its value and attributes into the CurKey.
|
---|
747 | *
|
---|
748 | * @returns Apple SMC Status Code.
|
---|
749 | * @param pThis The SMC instance data.
|
---|
750 | */
|
---|
751 | static uint8_t smcKeyGetByName(PDEVSMC pThis)
|
---|
752 | {
|
---|
753 | uint8_t bRc;
|
---|
754 | #ifdef LOG_ENABLED
|
---|
755 | uint32_t const uKeyValueLog = RT_H2LE_U32(pThis->CurKey.Key.u32);
|
---|
756 | #endif
|
---|
757 | uint32_t iKey = smcKeyLookup(pThis->CurKey.Key.u32);
|
---|
758 | if (iKey != UINT32_MAX)
|
---|
759 | {
|
---|
760 | if ( g_aSmcKeys[iKey].cbValue == pThis->CurKey.cbValue
|
---|
761 | || !g_aSmcKeys[iKey].cbValue)
|
---|
762 | {
|
---|
763 | pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
|
---|
764 | pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
|
---|
765 | RT_ZERO(pThis->CurKey.Value);
|
---|
766 | if (g_aSmcKeys[iKey].pfnGet)
|
---|
767 | {
|
---|
768 | bRc = g_aSmcKeys[iKey].pfnGet(pThis, &pThis->CurKey, pThis->bCmd, &g_aSmcKeys[iKey]);
|
---|
769 | if (bRc == SMC_STATUS_CD_SUCCESS)
|
---|
770 | {
|
---|
771 | LogFlow(("smcKeyGetByName: key=%4.4s value=%.*Rhxs\n",
|
---|
772 | &uKeyValueLog, pThis->CurKey.cbValue, &pThis->CurKey.Value));
|
---|
773 | return SMC_STATUS_CD_SUCCESS;
|
---|
774 | }
|
---|
775 |
|
---|
776 | Log(("smcKeyGetByName: key=%4.4s getter failed! bRc=%#x\n", &uKeyValueLog, bRc));
|
---|
777 | }
|
---|
778 | else
|
---|
779 | {
|
---|
780 | Log(("smcKeyGetByName: key=%4.4s is not readable!\n", &uKeyValueLog));
|
---|
781 | bRc = SMC_STATUS_CD_KEY_NOT_READABLE;
|
---|
782 | }
|
---|
783 | }
|
---|
784 | else
|
---|
785 | {
|
---|
786 | Log(("smcKeyGetByName: Wrong value size; user=%#x smc=%#x key=%4.4s !\n",
|
---|
787 | pThis->CurKey.cbValue, g_aSmcKeys[iKey].cbValue, &uKeyValueLog));
|
---|
788 | bRc = SMC_STATUS_CD_KEY_SIZE_MISMATCH;
|
---|
789 | }
|
---|
790 | }
|
---|
791 | else
|
---|
792 | {
|
---|
793 | Log(("smcKeyGetByName: Key not found! key=%4.4s size=%#x\n", &uKeyValueLog, pThis->CurKey.cbValue));
|
---|
794 | bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
|
---|
795 | }
|
---|
796 |
|
---|
797 | RT_ZERO(pThis->CurKey);
|
---|
798 | return bRc;
|
---|
799 | }
|
---|
800 |
|
---|
801 |
|
---|
802 | /**
|
---|
803 | * Looks up a key by index and copies its name (and attributes) into the CurKey.
|
---|
804 | *
|
---|
805 | * @returns Apple SMC Status Code.
|
---|
806 | * @param pThis The SMC instance data.
|
---|
807 | */
|
---|
808 | static uint8_t smcKeyGetByIndex(PDEVSMC pThis)
|
---|
809 | {
|
---|
810 | uint8_t bRc;
|
---|
811 | uint32_t iKey = RT_BE2H_U32(pThis->CurKey.Key.u32);
|
---|
812 | if (iKey < RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM)
|
---|
813 | {
|
---|
814 | pThis->CurKey.Key = g_aSmcKeys[iKey].Key;
|
---|
815 | pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
|
---|
816 | pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
|
---|
817 | pThis->CurKey.cbValue = g_aSmcKeys[iKey].cbValue;
|
---|
818 | RT_ZERO(pThis->CurKey.Value);
|
---|
819 | Log(("smcKeyGetByIndex: %#x -> %c%c%c%c\n", iKey,
|
---|
820 | pThis->CurKey.Key.ab[3], pThis->CurKey.Key.ab[2], pThis->CurKey.Key.ab[1], pThis->CurKey.Key.ab[0]));
|
---|
821 | bRc = SMC_STATUS_CD_SUCCESS;
|
---|
822 | }
|
---|
823 | else
|
---|
824 | {
|
---|
825 | Log(("smcKeyGetByIndex: Key out or range: %#x, max %#x\n", iKey, RT_ELEMENTS(g_aSmcKeys) - SMC_KEYIDX_FIRST_ENUM));
|
---|
826 | bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
|
---|
827 | }
|
---|
828 | return bRc;
|
---|
829 | }
|
---|
830 |
|
---|
831 |
|
---|
832 | /**
|
---|
833 | * Looks up a key by index and copies its attributes into the CurKey.
|
---|
834 | *
|
---|
835 | * @returns Apple SMC Status Code.
|
---|
836 | * @param pThis The SMC instance data.
|
---|
837 | */
|
---|
838 | static uint8_t smcKeyGetAttrByName(PDEVSMC pThis)
|
---|
839 | {
|
---|
840 | uint8_t bRc;
|
---|
841 | #ifdef LOG_ENABLED
|
---|
842 | uint32_t const uKeyValueLog = RT_H2LE_U32(pThis->CurKey.Key.u32);
|
---|
843 | #endif
|
---|
844 | uint32_t iKey = smcKeyLookup(pThis->CurKey.Key.u32);
|
---|
845 | if (iKey != UINT32_MAX)
|
---|
846 | {
|
---|
847 | pThis->CurKey.Type = g_aSmcKeys[iKey].Type;
|
---|
848 | pThis->CurKey.fAttr = g_aSmcKeys[iKey].fAttr;
|
---|
849 | pThis->CurKey.cbValue = g_aSmcKeys[iKey].cbValue;
|
---|
850 | RT_ZERO(pThis->CurKey.Value);
|
---|
851 | if (g_aSmcKeys[iKey].cbValue)
|
---|
852 | bRc = SMC_STATUS_CD_SUCCESS;
|
---|
853 | else
|
---|
854 | bRc = g_aSmcKeys[iKey].pfnGet(pThis, &pThis->CurKey, pThis->bCmd, &g_aSmcKeys[iKey]);
|
---|
855 | if (bRc == SMC_STATUS_CD_SUCCESS)
|
---|
856 | {
|
---|
857 | LogFlow(("smcKeyGetAttrByName: key=%4.4s value=%.*Rhxs\n",
|
---|
858 | &uKeyValueLog, pThis->CurKey.cbValue, &pThis->CurKey.Value));
|
---|
859 | return SMC_STATUS_CD_SUCCESS;
|
---|
860 | }
|
---|
861 |
|
---|
862 | Log(("smcKeyGetAttrByName: key=%4.4s getter failed! bRc=%#x\n", &uKeyValueLog, bRc));
|
---|
863 | }
|
---|
864 | else
|
---|
865 | {
|
---|
866 | Log(("smcKeyGetAttrByName: Key not found! key=%4.4s size=%#x\n", &uKeyValueLog, pThis->CurKey.cbValue));
|
---|
867 | bRc = SMC_STATUS_CD_KEY_NOT_FOUND;
|
---|
868 | }
|
---|
869 |
|
---|
870 | RT_ZERO(pThis->CurKey);
|
---|
871 | return bRc;
|
---|
872 | }
|
---|
873 |
|
---|
874 |
|
---|
875 | static uint8_t smcKeyPutPrepare(PDEVSMC pThis)
|
---|
876 | {
|
---|
877 | RT_NOREF1(pThis);
|
---|
878 | return 0;
|
---|
879 | }
|
---|
880 |
|
---|
881 | static uint8_t smcKeyPutValue(PDEVSMC pThis)
|
---|
882 | {
|
---|
883 | RT_NOREF1(pThis);
|
---|
884 | return 0;
|
---|
885 | }
|
---|
886 |
|
---|
887 |
|
---|
888 | /**
|
---|
889 | * Data register read.
|
---|
890 | *
|
---|
891 | * @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
|
---|
892 | * @param uReg The register number.
|
---|
893 | * @param pbValue Where to return the value.
|
---|
894 | */
|
---|
895 | static VBOXSTRICTRC smcRegData_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
|
---|
896 | {
|
---|
897 | RT_NOREF1(uReg);
|
---|
898 | switch (pThis->bCmd)
|
---|
899 | {
|
---|
900 | case SMC_CMD_GET_KEY_VALUE:
|
---|
901 | if ( pThis->u.s.bState == 0x05
|
---|
902 | && pThis->offValue < pThis->CurKey.cbValue)
|
---|
903 | {
|
---|
904 | *pbValue = pThis->CurKey.Value.ab[pThis->offValue];
|
---|
905 | if (++pThis->offValue >= pThis->CurKey.cbValue)
|
---|
906 | pThis->u.s.bState = 0x00;
|
---|
907 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
|
---|
908 | }
|
---|
909 | else
|
---|
910 | {
|
---|
911 | Log(("smcRegData_r: Reading too much or at wrong time during SMC_CMD_GET_KEY_INFO! bState=%#x offValue=%#x\n",
|
---|
912 | pThis->u.s.bState, pThis->offValue));
|
---|
913 | pThis->u.s.bState = 0x00;
|
---|
914 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
|
---|
915 | }
|
---|
916 | break;
|
---|
917 |
|
---|
918 | case SMC_CMD_GET_KEY_INFO:
|
---|
919 | if ( pThis->u.s.bState == 0x05
|
---|
920 | && pThis->offValue < 6)
|
---|
921 | {
|
---|
922 | if (pThis->offValue == 0)
|
---|
923 | *pbValue = pThis->CurKey.cbValue;
|
---|
924 | else if (pThis->offValue < 1 + 4)
|
---|
925 | *pbValue = pThis->CurKey.Type.ab[pThis->offValue - 1];
|
---|
926 | else
|
---|
927 | *pbValue = pThis->CurKey.fAttr;
|
---|
928 | if (++pThis->offValue >= 6)
|
---|
929 | pThis->u.s.bState = 0x00;
|
---|
930 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
|
---|
931 | }
|
---|
932 | else
|
---|
933 | {
|
---|
934 | Log(("smcRegData_r: Reading too much or at wrong time during SMC_CMD_GET_KEY_INFO! bState=%#x offValue=%#x\n",
|
---|
935 | pThis->u.s.bState, pThis->offValue));
|
---|
936 | pThis->u.s.bState = 0x00;
|
---|
937 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
|
---|
938 | }
|
---|
939 | break;
|
---|
940 |
|
---|
941 | case SMC_CMD_GET_KEY_BY_INDEX:
|
---|
942 | if ( pThis->u.s.bState == 0x05
|
---|
943 | && pThis->offValue < sizeof(pThis->CurKey.Key))
|
---|
944 | {
|
---|
945 | *pbValue = pThis->CurKey.Key.ab[pThis->offValue];
|
---|
946 | if (++pThis->offValue >= sizeof(pThis->CurKey.Key))
|
---|
947 | pThis->u.s.bState = 0x00;
|
---|
948 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
|
---|
949 | }
|
---|
950 | else
|
---|
951 | {
|
---|
952 | Log(("smcRegData_r: Reading too much or at wrong time during GET_KEY_BY_INDEX! bState=%#x offValue=%#x\n",
|
---|
953 | pThis->u.s.bState, pThis->offValue));
|
---|
954 | pThis->u.s.bState = 0x00;
|
---|
955 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA; /** @todo check status code */
|
---|
956 | }
|
---|
957 | break;
|
---|
958 |
|
---|
959 | case SMC_CMD_PUT_KEY:
|
---|
960 | Log(("smcRegData_r: Attempting to read data during PUT_KEY!\n"));
|
---|
961 | *pbValue = 0xff;
|
---|
962 | pThis->u.s.bState = 0;
|
---|
963 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
|
---|
964 | break;
|
---|
965 |
|
---|
966 | default:
|
---|
967 | Log(("smcRegData_r: Unknown command attempts reading data\n"));
|
---|
968 | *pbValue = 0xff;
|
---|
969 | pThis->u.s.bState = 0;
|
---|
970 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
|
---|
971 | break;
|
---|
972 | }
|
---|
973 |
|
---|
974 | return VINF_SUCCESS;
|
---|
975 | }
|
---|
976 |
|
---|
977 |
|
---|
978 | /**
|
---|
979 | * Data register write.
|
---|
980 | *
|
---|
981 | * @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
|
---|
982 | * @param uReg The register number.
|
---|
983 | * @param bValue The value being written.
|
---|
984 | */
|
---|
985 | static VBOXSTRICTRC smcRegData_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
|
---|
986 | {
|
---|
987 | RT_NOREF1(uReg);
|
---|
988 | switch (pThis->bCmd)
|
---|
989 | {
|
---|
990 | /*
|
---|
991 | * Get or put key value.
|
---|
992 | *
|
---|
993 | * 5 bytes written, first 4 is the key the 5th is the value size. In
|
---|
994 | * the case of a put the value bytes are then written, while a get will
|
---|
995 | * read the value bytes.
|
---|
996 | */
|
---|
997 | case SMC_CMD_GET_KEY_VALUE:
|
---|
998 | case SMC_CMD_PUT_KEY:
|
---|
999 | if (pThis->offKey < 4)
|
---|
1000 | {
|
---|
1001 | /* Key byte. */
|
---|
1002 | pThis->CurKey.Key.ab[pThis->offKey++] = bValue;
|
---|
1003 | pThis->u.s.bState = 0x04;
|
---|
1004 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
|
---|
1005 | }
|
---|
1006 | else if (pThis->offKey == 4)
|
---|
1007 | {
|
---|
1008 | /* Data length. */
|
---|
1009 | pThis->u.s.bState = 0;
|
---|
1010 | if (bValue <= sizeof(pThis->CurKey.Value))
|
---|
1011 | {
|
---|
1012 | pThis->CurKey.cbValue = bValue;
|
---|
1013 | pThis->offKey = 5;
|
---|
1014 | Assert(pThis->offValue == 0);
|
---|
1015 |
|
---|
1016 | if (pThis->bCmd == SMC_CMD_GET_KEY_VALUE)
|
---|
1017 | pThis->u.s.bStatusCode = smcKeyGetByName(pThis);
|
---|
1018 | else
|
---|
1019 | pThis->u.s.bStatusCode = smcKeyPutPrepare(pThis);
|
---|
1020 | if (pThis->u.s.bStatusCode == SMC_STATUS_CD_SUCCESS)
|
---|
1021 | pThis->u.s.bState = 0x05;
|
---|
1022 | }
|
---|
1023 | else
|
---|
1024 | {
|
---|
1025 | Log(("smcRegData_w: Guest attempts to get/put too many value bytes: %#x (max %#x)!\n",
|
---|
1026 | bValue, sizeof(pThis->CurKey.Value)));
|
---|
1027 | pThis->u.s.bStatusCode = SMC_STATUS_CD_KEY_SIZE_MISMATCH; /** @todo check this case! */
|
---|
1028 | }
|
---|
1029 | }
|
---|
1030 | else if ( pThis->bCmd == SMC_CMD_PUT_KEY
|
---|
1031 | && pThis->offValue < pThis->CurKey.cbValue)
|
---|
1032 | {
|
---|
1033 | /* More value bytes for put key action. */
|
---|
1034 | pThis->CurKey.Value.ab[pThis->offValue++] = bValue;
|
---|
1035 | if (pThis->offValue != pThis->CurKey.cbValue)
|
---|
1036 | pThis->u.s.bState = 0x05;
|
---|
1037 | else
|
---|
1038 | {
|
---|
1039 | pThis->u.s.bState = 0x00;
|
---|
1040 | pThis->u.s.bStatusCode = smcKeyPutValue(pThis);
|
---|
1041 | }
|
---|
1042 | }
|
---|
1043 | else
|
---|
1044 | {
|
---|
1045 | Log(("smcRegData_w: Writing too much data on %s command!\n", pThis->bCmd == SMC_CMD_PUT_KEY ? "put" : "get"));
|
---|
1046 | pThis->u.s.bState = 0x00;
|
---|
1047 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
|
---|
1048 | }
|
---|
1049 | break;
|
---|
1050 |
|
---|
1051 | /*
|
---|
1052 | * Get key info and key by index seems to take action after the last
|
---|
1053 | * key char is written. They then both go into a data reading phase.
|
---|
1054 | */
|
---|
1055 | case SMC_CMD_GET_KEY_INFO:
|
---|
1056 | case SMC_CMD_GET_KEY_BY_INDEX:
|
---|
1057 | if (pThis->offKey < 4)
|
---|
1058 | {
|
---|
1059 | pThis->CurKey.Key.ab[pThis->offKey] = bValue;
|
---|
1060 | if (++pThis->offKey == 4)
|
---|
1061 | {
|
---|
1062 | if (pThis->bCmd == SMC_CMD_GET_KEY_BY_INDEX)
|
---|
1063 | pThis->u.s.bStatusCode = smcKeyGetByIndex(pThis);
|
---|
1064 | else
|
---|
1065 | pThis->u.s.bStatusCode = smcKeyGetAttrByName(pThis);
|
---|
1066 | pThis->u.s.bState = pThis->u.s.bStatusCode == SMC_STATUS_CD_SUCCESS ? 0x05 : 0x00;
|
---|
1067 | }
|
---|
1068 | else
|
---|
1069 | {
|
---|
1070 | pThis->u.s.bState = 0x04;
|
---|
1071 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
|
---|
1072 | }
|
---|
1073 | }
|
---|
1074 | else
|
---|
1075 | {
|
---|
1076 | Log(("smcRegData_w: Writing data beyond 5th byte on get %s command!\n",
|
---|
1077 | pThis->bCmd == SMC_CMD_GET_KEY_INFO ? "info" : "by index"));
|
---|
1078 | pThis->u.s.bState = 0x00;
|
---|
1079 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SPURIOUS_DATA;
|
---|
1080 | }
|
---|
1081 | break;
|
---|
1082 |
|
---|
1083 | default:
|
---|
1084 | Log(("smcRegData_w: Unknown command %#x!\n", bValue));
|
---|
1085 | pThis->u.s.bState = 0x00; /** @todo Check statuses with real HW. */
|
---|
1086 | pThis->u.s.bStatusCode = SMC_STATUS_CD_BAD_COMMAND;
|
---|
1087 | break;
|
---|
1088 | }
|
---|
1089 | return VINF_SUCCESS;
|
---|
1090 | }
|
---|
1091 |
|
---|
1092 |
|
---|
1093 | /**
|
---|
1094 | * Command register write.
|
---|
1095 | *
|
---|
1096 | * @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
|
---|
1097 | * @param uReg The register number.
|
---|
1098 | * @param bValue The value being written.
|
---|
1099 | */
|
---|
1100 | static VBOXSTRICTRC smcRegCmd_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
|
---|
1101 | {
|
---|
1102 | LogFlow(("smcRegCmd_w: New command: %#x (old=%#x)\n", bValue, pThis->bCmd)); NOREF(uReg);
|
---|
1103 |
|
---|
1104 | pThis->bCmd = bValue;
|
---|
1105 |
|
---|
1106 | /* Validate the command. */
|
---|
1107 | switch (bValue)
|
---|
1108 | {
|
---|
1109 | case SMC_CMD_GET_KEY_VALUE:
|
---|
1110 | case SMC_CMD_PUT_KEY:
|
---|
1111 | case SMC_CMD_GET_KEY_BY_INDEX:
|
---|
1112 | case SMC_CMD_GET_KEY_INFO:
|
---|
1113 | pThis->u.s.bState = 0x0c;
|
---|
1114 | pThis->u.s.bStatusCode = SMC_STATUS_CD_SUCCESS;
|
---|
1115 | break;
|
---|
1116 |
|
---|
1117 | default:
|
---|
1118 | Log(("SMC: Unknown command %#x!\n", bValue));
|
---|
1119 | pThis->u.s.bState = 0x00; /** @todo Check state with real HW. */
|
---|
1120 | pThis->u.s.bStatusCode = SMC_STATUS_CD_BAD_COMMAND;
|
---|
1121 | break;
|
---|
1122 | }
|
---|
1123 |
|
---|
1124 | /* Reset the value/key related state. */
|
---|
1125 | pThis->offKey = 0;
|
---|
1126 | pThis->offValue = 0;
|
---|
1127 | pThis->CurKey.Key.u32 = 0;
|
---|
1128 | pThis->CurKey.cbValue = 0;
|
---|
1129 |
|
---|
1130 | return VINF_SUCCESS;
|
---|
1131 | }
|
---|
1132 |
|
---|
1133 |
|
---|
1134 | /**
|
---|
1135 | * Generic register write.
|
---|
1136 | *
|
---|
1137 | * @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
|
---|
1138 | * @param uReg The register number.
|
---|
1139 | * @param bValue The value being written.
|
---|
1140 | */
|
---|
1141 | static VBOXSTRICTRC smcRegGen_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
|
---|
1142 | {
|
---|
1143 | Log(("smcRegGen_w: %#04x: %#x -> %#x (write)\n", uReg, pThis->u.abRegsRW[uReg], bValue));
|
---|
1144 | pThis->u.abRegsRW[uReg] = bValue;
|
---|
1145 | return VINF_SUCCESS;
|
---|
1146 | }
|
---|
1147 |
|
---|
1148 |
|
---|
1149 | /**
|
---|
1150 | * Read from register that isn't writable and reads as 0xFF.
|
---|
1151 | *
|
---|
1152 | * @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
|
---|
1153 | * @param uReg The register number.
|
---|
1154 | * @param pbValue Where to return the value.
|
---|
1155 | */
|
---|
1156 | static VBOXSTRICTRC smcRegGen_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
|
---|
1157 | {
|
---|
1158 | Log(("smcRegGen_r: %#04x: %#x (read)\n", uReg, pThis->u.abRegsRW[uReg]));
|
---|
1159 | *pbValue = pThis->u.abRegsRW[uReg];
|
---|
1160 | return VINF_SUCCESS;
|
---|
1161 | }
|
---|
1162 |
|
---|
1163 |
|
---|
1164 | /**
|
---|
1165 | * Write to register that isn't writable and reads as 0xFF.
|
---|
1166 | *
|
---|
1167 | * @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
|
---|
1168 | * @param uReg The register number.
|
---|
1169 | * @param bValue The value being written.
|
---|
1170 | */
|
---|
1171 | static VBOXSTRICTRC smcRegFF_w(PDEVSMC pThis, uint8_t uReg, uint8_t bValue)
|
---|
1172 | {
|
---|
1173 | RT_NOREF3(pThis, uReg, bValue);
|
---|
1174 | Log(("SMC: %#04x: Writing %#x to unknown register!\n", uReg, bValue));
|
---|
1175 | return VINF_SUCCESS;
|
---|
1176 | }
|
---|
1177 |
|
---|
1178 |
|
---|
1179 | /**
|
---|
1180 | * Read from register that isn't writable and reads as 0xFF.
|
---|
1181 | *
|
---|
1182 | * @returns VINF_SUCCESS or VINF_IOM_R3_IOPORT_WRITE.
|
---|
1183 | * @param uReg The register number.
|
---|
1184 | * @param pbValue Where to return the value.
|
---|
1185 | */
|
---|
1186 | static VBOXSTRICTRC smcRegFF_r(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue)
|
---|
1187 | {
|
---|
1188 | RT_NOREF2(pThis, uReg);
|
---|
1189 | Log(("SMC: %#04x: Reading from unknown register!\n", uReg));
|
---|
1190 | *pbValue = 0xff;
|
---|
1191 | return VINF_SUCCESS;
|
---|
1192 | }
|
---|
1193 |
|
---|
1194 |
|
---|
1195 |
|
---|
1196 | /**
|
---|
1197 | * SMC register handlers (indexed by relative I/O port).
|
---|
1198 | *
|
---|
1199 | * The device seems to be all byte registers and will split wider
|
---|
1200 | * accesses between registers like if it was MMIO. To better illustrate it
|
---|
1201 | * here is the output of the code in devR0SmcInitOnce on a MacPro3,1:
|
---|
1202 | * @verbatim
|
---|
1203 | * SMC: 0x0300=0xffffff63 w={0xff63, 0xffff}, b={0x63 0xff 0xff 0xff}
|
---|
1204 | * SMC: 0x0301=0x0cffffff w={0xffff, 0x0cff}, b={0xff 0xff 0xff 0x0c}
|
---|
1205 | * SMC: 0x0302=0xff0cffff w={0xffff, 0xff0c}, b={0xff 0xff 0x0c 0xff}
|
---|
1206 | * SMC: 0x0303=0xffff0cff w={0x0cff, 0xffff}, b={0xff 0x0c 0xff 0xff}
|
---|
1207 | * SMC: 0x0304=0xffffff0c w={0xff0c, 0xffff}, b={0x0c 0xff 0xff 0xff}
|
---|
1208 | * SMC: 0x0305=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1209 | * SMC: 0x0306=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1210 | * SMC: 0x0307=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1211 | * SMC: 0x0308=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1212 | * SMC: 0x0309=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1213 | * SMC: 0x030a=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1214 | * SMC: 0x030b=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1215 | * SMC: 0x030c=0xffffffff w={0xffff, 0xffff}, b={0xff 0xff 0xff 0xff}
|
---|
1216 | * SMC: 0x030d=0x00ffffff w={0xffff, 0x00ff}, b={0xff 0xff 0xff 0x00}
|
---|
1217 | * SMC: 0x030e=0x0000ffff w={0xffff, 0x0000}, b={0xff 0xff 0x00 0x00}
|
---|
1218 | * SMC: 0x030f=0x000000ff w={0x00ff, 0x0000}, b={0xff 0x00 0x00 0x00}
|
---|
1219 | * SMC: 0x0310=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1220 | * SMC: 0x0311=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1221 | * SMC: 0x0312=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1222 | * SMC: 0x0313=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1223 | * SMC: 0x0314=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1224 | * SMC: 0x0315=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1225 | * SMC: 0x0316=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1226 | * SMC: 0x0317=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1227 | * SMC: 0x0318=0x00000000 w={0x0000, 0x0000}, b={0x00 0x00 0x00 0x00}
|
---|
1228 | * SMC: 0x0319=0xbe000000 w={0x0000, 0xbe00}, b={0x00 0x00 0x00 0xbe}
|
---|
1229 | * SMC: 0x031a=0xbabe0000 w={0x0000, 0xbabe}, b={0x00 0x00 0xbe 0xba}
|
---|
1230 | * SMC: 0x031b=0x00babe00 w={0xbe00, 0x00ba}, b={0x00 0xbe 0xba 0x00}
|
---|
1231 | * SMC: 0x031c=0xbe00babe w={0xbabe, 0xbe00}, b={0xbe 0xba 0x00 0xbe}
|
---|
1232 | * SMC: 0x031d=0xffbe00ba w={0x00ba, 0xffbe}, b={0xba 0x00 0xbe 0xff}
|
---|
1233 | * SMC: 0x031e=0xffffbe00 w={0xbe00, 0xffff}, b={0x00 0xbe 0xff 0xff}
|
---|
1234 | * SMC: 0x031f=0xffffffbe w={0xffbe, 0xffff}, b={0xbe 0xff 0xff 0xff}
|
---|
1235 | * @endverbatim
|
---|
1236 | *
|
---|
1237 | * The last dword is writable (0xbeXXbabe) where in the register at 0x1e is some
|
---|
1238 | * kind of status register for qualifying search failures and the like and will
|
---|
1239 | * be cleared under certain conditions. The whole dword can be written and read
|
---|
1240 | * back unchanged, according to my experiments. The 0x00 and 0x04 registers
|
---|
1241 | * does not read back what is written.
|
---|
1242 | *
|
---|
1243 | * My guess is that the 0xff values indicates ports that are not writable and
|
---|
1244 | * hardwired to 0xff, while the other values indicates ports that can be written
|
---|
1245 | * to and normally read back as written. I'm not going to push my luck too far
|
---|
1246 | * wrt to exact behavior until I see the guest using the registers.
|
---|
1247 | */
|
---|
1248 | static const struct
|
---|
1249 | {
|
---|
1250 | VBOXSTRICTRC (*pfnWrite)(PDEVSMC pThis, uint8_t uReg, uint8_t bValue);
|
---|
1251 | VBOXSTRICTRC (*pfnRead)(PDEVSMC pThis, uint8_t uReg, uint8_t *pbValue);
|
---|
1252 | } g_aSmcRegs[SMC_REG_COUNT] =
|
---|
1253 | {
|
---|
1254 | /* [0x00] = */ { smcRegData_w, smcRegData_r },
|
---|
1255 | /* [0x01] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1256 | /* [0x02] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1257 | /* [0x03] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1258 | /* [0x04] = */ { smcRegCmd_w, smcRegGen_r },
|
---|
1259 | /* [0x05] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1260 | /* [0x06] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1261 | /* [0x07] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1262 | /* [0x08] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1263 | /* [0x09] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1264 | /* [0x0a] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1265 | /* [0x0b] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1266 | /* [0x0c] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1267 | /* [0x0d] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1268 | /* [0x0e] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1269 | /* [0x0f] = */ { smcRegFF_w, smcRegFF_r },
|
---|
1270 | /* [0x10] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1271 | /* [0x11] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1272 | /* [0x12] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1273 | /* [0x13] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1274 | /* [0x14] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1275 | /* [0x15] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1276 | /* [0x16] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1277 | /* [0x17] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1278 | /* [0x18] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1279 | /* [0x19] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1280 | /* [0x1a] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1281 | /* [0x1b] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1282 | /* [0x1c] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1283 | /* [0x1d] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1284 | /* [0x1e] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1285 | /* [0x1f] = */ { smcRegGen_w, smcRegGen_r },
|
---|
1286 | };
|
---|
1287 |
|
---|
1288 |
|
---|
1289 | /**
|
---|
1290 | * @callback_method_impl{FNIOMIOPORTNEWOUT}
|
---|
1291 | */
|
---|
1292 | static DECLCALLBACK(VBOXSTRICTRC) smcIoPortWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t u32, unsigned cb)
|
---|
1293 | {
|
---|
1294 | RT_NOREF1(pvUser);
|
---|
1295 | #ifndef IN_RING3
|
---|
1296 | if (cb > 1)
|
---|
1297 | {
|
---|
1298 | Log3(("smcIoPortWrite: %#04x write access: %#x (LB %u) -> ring-3\n", offPort, u32, cb));
|
---|
1299 | return VINF_IOM_R3_IOPORT_WRITE;
|
---|
1300 | }
|
---|
1301 | #endif
|
---|
1302 | #ifdef LOG_ENABLED
|
---|
1303 | RTIOPORT const offPortLog = offPort;
|
---|
1304 | unsigned const cbLog = cb;
|
---|
1305 | #endif
|
---|
1306 |
|
---|
1307 | /*
|
---|
1308 | * The first register, usually only one is accessed.
|
---|
1309 | */
|
---|
1310 | PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
|
---|
1311 | AssertReturn(offPort < RT_ELEMENTS(g_aSmcRegs), VERR_INTERNAL_ERROR_3); /* impossible*/
|
---|
1312 | VBOXSTRICTRC rc = g_aSmcRegs[offPort].pfnWrite(pThis, offPort, u32);
|
---|
1313 |
|
---|
1314 | /*
|
---|
1315 | * On the off chance that multiple registers are being read.
|
---|
1316 | */
|
---|
1317 | if (cb > 1)
|
---|
1318 | {
|
---|
1319 | while (cb > 1 && offPort < SMC_REG_COUNT - 1)
|
---|
1320 | {
|
---|
1321 | cb--;
|
---|
1322 | offPort++;
|
---|
1323 | u32 >>= 8;
|
---|
1324 | VBOXSTRICTRC rc2 = g_aSmcRegs[offPort].pfnWrite(pThis, offPort, u32);
|
---|
1325 | if (rc2 != VINF_SUCCESS)
|
---|
1326 | {
|
---|
1327 | if ( rc == VINF_SUCCESS
|
---|
1328 | || (RT_FAILURE(rc2) && RT_SUCCESS(rc))
|
---|
1329 | || (rc2 < rc && RT_SUCCESS(rc2) && RT_SUCCESS(rc)))
|
---|
1330 | rc = rc2;
|
---|
1331 | }
|
---|
1332 | }
|
---|
1333 | }
|
---|
1334 |
|
---|
1335 | LogFlow(("smcIoPortWrite: %#04x write access: %#x (LB %u) rc=%Rrc\n", offPortLog, u32, cbLog, VBOXSTRICTRC_VAL(rc) ));
|
---|
1336 | return rc;
|
---|
1337 | }
|
---|
1338 |
|
---|
1339 |
|
---|
1340 | /**
|
---|
1341 | * @callback_method_impl{FNIOMIOPORTNEWIN}
|
---|
1342 | */
|
---|
1343 | static DECLCALLBACK(VBOXSTRICTRC) smcIoPortRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t *pu32, unsigned cb)
|
---|
1344 | {
|
---|
1345 | RT_NOREF1(pvUser);
|
---|
1346 | #ifndef IN_RING3
|
---|
1347 | if (cb > 1)
|
---|
1348 | return VINF_IOM_R3_IOPORT_READ;
|
---|
1349 | #endif
|
---|
1350 |
|
---|
1351 | PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
|
---|
1352 | #ifdef LOG_ENABLED
|
---|
1353 | RTIOPORT const offPortLog = offPort;
|
---|
1354 | unsigned const cbLog = cb;
|
---|
1355 | #endif
|
---|
1356 |
|
---|
1357 | /*
|
---|
1358 | * The first register, usually only one is accessed.
|
---|
1359 | */
|
---|
1360 | AssertReturn(offPort < RT_ELEMENTS(g_aSmcRegs), VERR_INTERNAL_ERROR_3); /* impossible*/
|
---|
1361 | Log2(("smcIoPortRead: %#04x read access: LB %u\n", offPort, cb));
|
---|
1362 | uint8_t bValue = 0xff;
|
---|
1363 | VBOXSTRICTRC rc = g_aSmcRegs[offPort].pfnRead(pThis, offPort, &bValue);
|
---|
1364 | *pu32 = bValue;
|
---|
1365 |
|
---|
1366 | /*
|
---|
1367 | * On the off chance that multiple registers are being read.
|
---|
1368 | */
|
---|
1369 | if (cb > 1)
|
---|
1370 | {
|
---|
1371 | do
|
---|
1372 | {
|
---|
1373 | cb--;
|
---|
1374 | offPort++;
|
---|
1375 | bValue = 0xff;
|
---|
1376 | if (offPort < SMC_REG_COUNT)
|
---|
1377 | {
|
---|
1378 | VBOXSTRICTRC rc2 = g_aSmcRegs[offPort].pfnRead(pThis, offPort, &bValue);
|
---|
1379 | if (rc2 != VINF_SUCCESS)
|
---|
1380 | {
|
---|
1381 | if ( rc == VINF_SUCCESS
|
---|
1382 | || (RT_FAILURE(rc2) && RT_SUCCESS(rc))
|
---|
1383 | || (rc2 < rc && RT_SUCCESS(rc2) && RT_SUCCESS(rc)))
|
---|
1384 | rc = rc2;
|
---|
1385 | }
|
---|
1386 | }
|
---|
1387 | *pu32 |= (uint32_t)bValue << ((4 - cb) * 8);
|
---|
1388 | } while (cb > 1);
|
---|
1389 | }
|
---|
1390 | LogFlow(("smcIoPortRead: %#04x read access: %#x (LB %u) rc=%Rrc\n", offPortLog, *pu32, cbLog, VBOXSTRICTRC_VAL(rc)));
|
---|
1391 | return rc;
|
---|
1392 | }
|
---|
1393 |
|
---|
1394 | #ifdef IN_RING3
|
---|
1395 |
|
---|
1396 | /** @callback_method_impl{FNSSMDEVSAVEEXEC} */
|
---|
1397 | static DECLCALLBACK(int) smcR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
|
---|
1398 | {
|
---|
1399 | PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
|
---|
1400 | RT_NOREF2(pSSM, pThis);
|
---|
1401 |
|
---|
1402 | /** @todo */
|
---|
1403 |
|
---|
1404 | return VINF_SUCCESS;
|
---|
1405 | }
|
---|
1406 |
|
---|
1407 |
|
---|
1408 | /** @callback_method_impl{FNSSMDEVLOADEXEC} */
|
---|
1409 | static DECLCALLBACK(int) smcR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
|
---|
1410 | {
|
---|
1411 | PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
|
---|
1412 | Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
|
---|
1413 | RT_NOREF2(pSSM, pThis);
|
---|
1414 |
|
---|
1415 | /* Fend off unsupported versions. */
|
---|
1416 | if ( uVersion != SMC_SAVED_STATE_VERSION
|
---|
1417 | #if SMC_SAVED_STATE_VERSION != SMC_SAVED_STATE_VERSION_BAKA
|
---|
1418 | && uVersion != SMC_SAVED_STATE_VERSION_BAKA
|
---|
1419 | #endif
|
---|
1420 | && uVersion != SMC_SAVED_STATE_VERSION_BAKA + 1)
|
---|
1421 | return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
|
---|
1422 |
|
---|
1423 | /*
|
---|
1424 | * Do the actual restoring.
|
---|
1425 | */
|
---|
1426 | if (uVersion == SMC_SAVED_STATE_VERSION)
|
---|
1427 | {
|
---|
1428 | /** @todo */
|
---|
1429 | }
|
---|
1430 |
|
---|
1431 | return VINF_SUCCESS;
|
---|
1432 | }
|
---|
1433 |
|
---|
1434 |
|
---|
1435 | /**
|
---|
1436 | * @interface_method_impl{PDMDEVREG,pfnConstruct}
|
---|
1437 | */
|
---|
1438 | static DECLCALLBACK(int) smcR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
|
---|
1439 | {
|
---|
1440 | PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
|
---|
1441 | PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
|
---|
1442 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
1443 |
|
---|
1444 | Assert(iInstance == 0); RT_NOREF1(iInstance);
|
---|
1445 |
|
---|
1446 | /*
|
---|
1447 | * Init the data.
|
---|
1448 | */
|
---|
1449 | pThis->bDollaryNumber = 1;
|
---|
1450 | pThis->bShutdownReason = 3; /* STOP_CAUSE_POWERKEY_GOOD_CODE */
|
---|
1451 |
|
---|
1452 | /*
|
---|
1453 | * Validate configuration.
|
---|
1454 | */
|
---|
1455 | PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "DeviceKey|GetKeyFromRealSMC", "");
|
---|
1456 |
|
---|
1457 | /*
|
---|
1458 | * Read configuration.
|
---|
1459 | */
|
---|
1460 |
|
---|
1461 | /* The DeviceKey sets OSK0 and OSK1. */
|
---|
1462 | int rc = pHlp->pfnCFGMQueryStringDef(pCfg, "DeviceKey", pThis->szOsk0And1, sizeof(pThis->szOsk0And1), "");
|
---|
1463 | if (RT_FAILURE(rc))
|
---|
1464 | return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
|
---|
1465 | N_("Configuration error: Querying \"DeviceKey\" as a string failed"));
|
---|
1466 |
|
---|
1467 | /* Query the key from the OS / real hardware if asked to do so. */
|
---|
1468 | bool fGetKeyFromRealSMC;
|
---|
1469 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "GetKeyFromRealSMC", &fGetKeyFromRealSMC, false);
|
---|
1470 | if (RT_FAILURE(rc))
|
---|
1471 | return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
|
---|
1472 | N_("Configuration error: Querying \"GetKeyFromRealSMC\" as a boolean failed"));
|
---|
1473 | if (fGetKeyFromRealSMC)
|
---|
1474 | {
|
---|
1475 | # ifdef RT_OS_DARWIN
|
---|
1476 | rc = getSmcKeyOs(pThis->szOsk0And1, sizeof(pThis->szOsk0And1));
|
---|
1477 | if (RT_FAILURE(rc))
|
---|
1478 | {
|
---|
1479 | LogRel(("SMC: Retrieving the SMC key from the OS failed (%Rrc), trying to read it from hardware\n", rc));
|
---|
1480 | # endif
|
---|
1481 | rc = PDMDevHlpCallR0(pDevIns, SMC_CALLR0_READ_OSK, 0 /*uArg*/);
|
---|
1482 | if (RT_SUCCESS(rc))
|
---|
1483 | LogRel(("SMC: Successfully retrieved the SMC key from hardware\n"));
|
---|
1484 | else
|
---|
1485 | LogRel(("SMC: Retrieving the SMC key from hardware failed(%Rrc)\n", rc));
|
---|
1486 | # ifdef RT_OS_DARWIN
|
---|
1487 | }
|
---|
1488 | else
|
---|
1489 | LogRel(("SMC: Successfully retrieved the SMC key from the OS\n"));
|
---|
1490 | # endif
|
---|
1491 | if (RT_FAILURE(rc))
|
---|
1492 | return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
|
---|
1493 | N_("Failed to query SMC value from the host"));
|
---|
1494 | }
|
---|
1495 |
|
---|
1496 | /*
|
---|
1497 | * Register I/O Ports
|
---|
1498 | */
|
---|
1499 | rc = PDMDevHlpIoPortCreateAndMap(pDevIns, SMC_PORT_FIRST, SMC_REG_COUNT, smcIoPortWrite, smcIoPortRead,
|
---|
1500 | "SMC data port", NULL, &pThis->hIoPorts);
|
---|
1501 | AssertRCReturn(rc, rc);
|
---|
1502 |
|
---|
1503 | /** @todo Newer versions (2.03) have an MMIO mapping as well (ACPI). */
|
---|
1504 |
|
---|
1505 |
|
---|
1506 | /*
|
---|
1507 | * Saved state.
|
---|
1508 | */
|
---|
1509 | rc = PDMDevHlpSSMRegister(pDevIns, SMC_SAVED_STATE_VERSION, sizeof(*pThis), smcR3SaveExec, smcR3LoadExec);
|
---|
1510 | if (RT_FAILURE(rc))
|
---|
1511 | return rc;
|
---|
1512 |
|
---|
1513 | return VINF_SUCCESS;
|
---|
1514 | }
|
---|
1515 |
|
---|
1516 | #else /* !IN_RING3 */
|
---|
1517 |
|
---|
1518 | /**
|
---|
1519 | * @callback_method_impl{PDMDEVREGR0,pfnConstruct}
|
---|
1520 | */
|
---|
1521 | static DECLCALLBACK(int) smcRZConstruct(PPDMDEVINS pDevIns)
|
---|
1522 | {
|
---|
1523 | PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
|
---|
1524 | PDEVSMC pThis = PDMDEVINS_2_DATA(pDevIns, PDEVSMC);
|
---|
1525 |
|
---|
1526 | int rc = PDMDevHlpIoPortSetUpContext(pDevIns, pThis->hIoPorts, smcIoPortWrite, smcIoPortRead, NULL /*pvUser*/);
|
---|
1527 | AssertRCReturn(rc, rc);
|
---|
1528 | RT_NOREF(pThis);
|
---|
1529 |
|
---|
1530 | return VINF_SUCCESS;
|
---|
1531 | }
|
---|
1532 |
|
---|
1533 | #endif /* !IN_RING3 */
|
---|
1534 |
|
---|
1535 |
|
---|
1536 | /**
|
---|
1537 | * The device registration structure.
|
---|
1538 | */
|
---|
1539 | const PDMDEVREG g_DeviceSmc =
|
---|
1540 | {
|
---|
1541 | /* .u32Version = */ PDM_DEVREG_VERSION,
|
---|
1542 | /* .uReserved0 = */ 0,
|
---|
1543 | /* .szName = */ "smc",
|
---|
1544 | /* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS | PDM_DEVREG_FLAGS_RZ | PDM_DEVREG_FLAGS_NEW_STYLE,
|
---|
1545 | /* .fClass = */ PDM_DEVREG_CLASS_ARCH,
|
---|
1546 | /* .cMaxInstances = */ 1,
|
---|
1547 | /* .uSharedVersion = */ 42,
|
---|
1548 | /* .cbInstanceShared = */ sizeof(DEVSMC),
|
---|
1549 | /* .cbInstanceCC = */ 0,
|
---|
1550 | /* .cbInstanceRC = */ 0,
|
---|
1551 | /* .cMaxPciDevices = */ 0,
|
---|
1552 | /* .cMaxMsixVectors = */ 0,
|
---|
1553 | /* .pszDescription = */ "Apple System Management Controller",
|
---|
1554 | #if defined(IN_RING3)
|
---|
1555 | /* .pszRCMod = */ "VBoxDDRC.rc",
|
---|
1556 | /* .pszR0Mod = */ "VBoxDDR0.r0",
|
---|
1557 | /* .pfnConstruct = */ smcR3Construct,
|
---|
1558 | /* .pfnDestruct = */ NULL,
|
---|
1559 | /* .pfnRelocate = */ NULL,
|
---|
1560 | /* .pfnMemSetup = */ NULL,
|
---|
1561 | /* .pfnPowerOn = */ NULL,
|
---|
1562 | /* .pfnReset = */ NULL,
|
---|
1563 | /* .pfnSuspend = */ NULL,
|
---|
1564 | /* .pfnResume = */ NULL,
|
---|
1565 | /* .pfnAttach = */ NULL,
|
---|
1566 | /* .pfnDetach = */ NULL,
|
---|
1567 | /* .pfnQueryInterface = */ NULL,
|
---|
1568 | /* .pfnInitComplete = */ NULL,
|
---|
1569 | /* .pfnPowerOff = */ NULL,
|
---|
1570 | /* .pfnSoftReset = */ NULL,
|
---|
1571 | /* .pfnReserved0 = */ NULL,
|
---|
1572 | /* .pfnReserved1 = */ NULL,
|
---|
1573 | /* .pfnReserved2 = */ NULL,
|
---|
1574 | /* .pfnReserved3 = */ NULL,
|
---|
1575 | /* .pfnReserved4 = */ NULL,
|
---|
1576 | /* .pfnReserved5 = */ NULL,
|
---|
1577 | /* .pfnReserved6 = */ NULL,
|
---|
1578 | /* .pfnReserved7 = */ NULL,
|
---|
1579 | #elif defined(IN_RING0)
|
---|
1580 | /* .pfnEarlyConstruct = */ NULL,
|
---|
1581 | /* .pfnConstruct = */ smcRZConstruct,
|
---|
1582 | /* .pfnDestruct = */ NULL,
|
---|
1583 | /* .pfnFinalDestruct = */ NULL,
|
---|
1584 | # if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
|
---|
1585 | /* .pfnRequest = */ devR0SmcReqHandler,
|
---|
1586 | # else
|
---|
1587 | /* .pfnRequest = */ NULL,
|
---|
1588 | # endif
|
---|
1589 | /* .pfnReserved0 = */ NULL,
|
---|
1590 | /* .pfnReserved1 = */ NULL,
|
---|
1591 | /* .pfnReserved2 = */ NULL,
|
---|
1592 | /* .pfnReserved3 = */ NULL,
|
---|
1593 | /* .pfnReserved4 = */ NULL,
|
---|
1594 | /* .pfnReserved5 = */ NULL,
|
---|
1595 | /* .pfnReserved6 = */ NULL,
|
---|
1596 | /* .pfnReserved7 = */ NULL,
|
---|
1597 | #elif defined(IN_RC)
|
---|
1598 | /* .pfnConstruct = */ smcRZConstruct,
|
---|
1599 | /* .pfnReserved0 = */ NULL,
|
---|
1600 | /* .pfnReserved1 = */ NULL,
|
---|
1601 | /* .pfnReserved2 = */ NULL,
|
---|
1602 | /* .pfnReserved3 = */ NULL,
|
---|
1603 | /* .pfnReserved4 = */ NULL,
|
---|
1604 | /* .pfnReserved5 = */ NULL,
|
---|
1605 | /* .pfnReserved6 = */ NULL,
|
---|
1606 | /* .pfnReserved7 = */ NULL,
|
---|
1607 | #else
|
---|
1608 | # error "Not in IN_RING3, IN_RING0 or IN_RC!"
|
---|
1609 | #endif
|
---|
1610 | /* .u32VersionEnd = */ PDM_DEVREG_VERSION
|
---|
1611 | };
|
---|
1612 |
|
---|
1613 | #endif /* VBOX_DEVICE_STRUCT_TESTCASE */
|
---|