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6595 | serge | 1 | /****************************************************************************** |
2 | * |
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3 | * Module Name: psobject - Support for parse objects |
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4 | * |
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5 | *****************************************************************************/ |
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6 | |||
7 | /* |
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8 | * Copyright (C) 2000 - 2015, Intel Corp. |
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9 | * All rights reserved. |
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10 | * |
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11 | * Redistribution and use in source and binary forms, with or without |
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12 | * modification, are permitted provided that the following conditions |
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13 | * are met: |
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14 | * 1. Redistributions of source code must retain the above copyright |
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15 | * notice, this list of conditions, and the following disclaimer, |
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16 | * without modification. |
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17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
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18 | * substantially similar to the "NO WARRANTY" disclaimer below |
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19 | * ("Disclaimer") and any redistribution must be conditioned upon |
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20 | * including a substantially similar Disclaimer requirement for further |
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21 | * binary redistribution. |
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22 | * 3. Neither the names of the above-listed copyright holders nor the names |
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23 | * of any contributors may be used to endorse or promote products derived |
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24 | * from this software without specific prior written permission. |
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25 | * |
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26 | * Alternatively, this software may be distributed under the terms of the |
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27 | * GNU General Public License ("GPL") version 2 as published by the Free |
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28 | * Software Foundation. |
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29 | * |
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30 | * NO WARRANTY |
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31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
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34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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41 | * POSSIBILITY OF SUCH DAMAGES. |
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42 | */ |
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43 | |||
44 | #include |
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45 | #include "accommon.h" |
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46 | #include "acparser.h" |
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47 | #include "amlcode.h" |
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48 | |||
49 | #define _COMPONENT ACPI_PARSER |
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50 | ACPI_MODULE_NAME("psobject") |
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51 | |||
52 | /* Local prototypes */ |
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53 | static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state); |
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54 | |||
55 | /******************************************************************************* |
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56 | * |
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57 | * FUNCTION: acpi_ps_get_aml_opcode |
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58 | * |
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59 | * PARAMETERS: walk_state - Current state |
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60 | * |
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61 | * RETURN: Status |
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62 | * |
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63 | * DESCRIPTION: Extract the next AML opcode from the input stream. |
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64 | * |
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65 | ******************************************************************************/ |
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66 | |||
67 | static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state) |
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68 | { |
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69 | u32 aml_offset; |
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70 | |||
71 | ACPI_FUNCTION_TRACE_PTR(ps_get_aml_opcode, walk_state); |
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72 | |||
73 | walk_state->aml = walk_state->parser_state.aml; |
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74 | walk_state->opcode = acpi_ps_peek_opcode(&(walk_state->parser_state)); |
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75 | |||
76 | /* |
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77 | * First cut to determine what we have found: |
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78 | * 1) A valid AML opcode |
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79 | * 2) A name string |
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80 | * 3) An unknown/invalid opcode |
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81 | */ |
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82 | walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode); |
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83 | |||
84 | switch (walk_state->op_info->class) { |
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85 | case AML_CLASS_ASCII: |
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86 | case AML_CLASS_PREFIX: |
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87 | /* |
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88 | * Starts with a valid prefix or ASCII char, this is a name |
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89 | * string. Convert the bare name string to a namepath. |
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90 | */ |
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91 | walk_state->opcode = AML_INT_NAMEPATH_OP; |
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92 | walk_state->arg_types = ARGP_NAMESTRING; |
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93 | break; |
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94 | |||
95 | case AML_CLASS_UNKNOWN: |
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96 | |||
97 | /* The opcode is unrecognized. Complain and skip unknown opcodes */ |
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98 | |||
99 | if (walk_state->pass_number == 2) { |
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100 | aml_offset = (u32)ACPI_PTR_DIFF(walk_state->aml, |
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101 | walk_state-> |
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102 | parser_state.aml_start); |
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103 | |||
104 | ACPI_ERROR((AE_INFO, |
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105 | "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring", |
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106 | walk_state->opcode, |
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107 | (u32)(aml_offset + |
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108 | sizeof(struct acpi_table_header)))); |
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109 | |||
110 | ACPI_DUMP_BUFFER((walk_state->parser_state.aml - 16), |
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111 | 48); |
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112 | |||
113 | #ifdef ACPI_ASL_COMPILER |
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114 | /* |
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115 | * This is executed for the disassembler only. Output goes |
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116 | * to the disassembled ASL output file. |
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117 | */ |
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118 | acpi_os_printf |
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119 | ("/*\nError: Unknown opcode 0x%.2X at table offset 0x%.4X, context:\n", |
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120 | walk_state->opcode, |
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121 | (u32)(aml_offset + |
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122 | sizeof(struct acpi_table_header))); |
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123 | |||
124 | /* Dump the context surrounding the invalid opcode */ |
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125 | |||
126 | acpi_ut_dump_buffer(((u8 *)walk_state->parser_state. |
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127 | aml - 16), 48, DB_BYTE_DISPLAY, |
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128 | (aml_offset + |
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129 | sizeof(struct acpi_table_header) - |
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130 | 16)); |
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131 | acpi_os_printf(" */\n"); |
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132 | #endif |
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133 | } |
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134 | |||
135 | /* Increment past one-byte or two-byte opcode */ |
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136 | |||
137 | walk_state->parser_state.aml++; |
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138 | if (walk_state->opcode > 0xFF) { /* Can only happen if first byte is 0x5B */ |
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139 | walk_state->parser_state.aml++; |
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140 | } |
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141 | |||
142 | return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE); |
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143 | |||
144 | default: |
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145 | |||
146 | /* Found opcode info, this is a normal opcode */ |
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147 | |||
148 | walk_state->parser_state.aml += |
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149 | acpi_ps_get_opcode_size(walk_state->opcode); |
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150 | walk_state->arg_types = walk_state->op_info->parse_args; |
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151 | break; |
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152 | } |
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153 | |||
154 | return_ACPI_STATUS(AE_OK); |
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155 | } |
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156 | |||
157 | /******************************************************************************* |
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158 | * |
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159 | * FUNCTION: acpi_ps_build_named_op |
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160 | * |
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161 | * PARAMETERS: walk_state - Current state |
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162 | * aml_op_start - Begin of named Op in AML |
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163 | * unnamed_op - Early Op (not a named Op) |
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164 | * op - Returned Op |
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165 | * |
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166 | * RETURN: Status |
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167 | * |
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168 | * DESCRIPTION: Parse a named Op |
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169 | * |
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170 | ******************************************************************************/ |
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171 | |||
172 | acpi_status |
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173 | acpi_ps_build_named_op(struct acpi_walk_state *walk_state, |
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174 | u8 *aml_op_start, |
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175 | union acpi_parse_object *unnamed_op, |
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176 | union acpi_parse_object **op) |
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177 | { |
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178 | acpi_status status = AE_OK; |
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179 | union acpi_parse_object *arg = NULL; |
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180 | |||
181 | ACPI_FUNCTION_TRACE_PTR(ps_build_named_op, walk_state); |
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182 | |||
183 | unnamed_op->common.value.arg = NULL; |
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184 | unnamed_op->common.arg_list_length = 0; |
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185 | unnamed_op->common.aml_opcode = walk_state->opcode; |
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186 | |||
187 | /* |
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188 | * Get and append arguments until we find the node that contains |
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189 | * the name (the type ARGP_NAME). |
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190 | */ |
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191 | while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) && |
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192 | (GET_CURRENT_ARG_TYPE(walk_state->arg_types) != ARGP_NAME)) { |
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193 | status = |
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194 | acpi_ps_get_next_arg(walk_state, |
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195 | &(walk_state->parser_state), |
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196 | GET_CURRENT_ARG_TYPE(walk_state-> |
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197 | arg_types), &arg); |
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198 | if (ACPI_FAILURE(status)) { |
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199 | return_ACPI_STATUS(status); |
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200 | } |
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201 | |||
202 | acpi_ps_append_arg(unnamed_op, arg); |
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203 | INCREMENT_ARG_LIST(walk_state->arg_types); |
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204 | } |
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205 | |||
206 | /* |
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207 | * Make sure that we found a NAME and didn't run out of arguments |
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208 | */ |
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209 | if (!GET_CURRENT_ARG_TYPE(walk_state->arg_types)) { |
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210 | return_ACPI_STATUS(AE_AML_NO_OPERAND); |
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211 | } |
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212 | |||
213 | /* We know that this arg is a name, move to next arg */ |
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214 | |||
215 | INCREMENT_ARG_LIST(walk_state->arg_types); |
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216 | |||
217 | /* |
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218 | * Find the object. This will either insert the object into |
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219 | * the namespace or simply look it up |
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220 | */ |
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221 | walk_state->op = NULL; |
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222 | |||
223 | status = walk_state->descending_callback(walk_state, op); |
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224 | if (ACPI_FAILURE(status)) { |
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225 | if (status != AE_CTRL_TERMINATE) { |
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226 | ACPI_EXCEPTION((AE_INFO, status, |
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227 | "During name lookup/catalog")); |
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228 | } |
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229 | return_ACPI_STATUS(status); |
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230 | } |
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231 | |||
232 | if (!*op) { |
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233 | return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE); |
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234 | } |
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235 | |||
236 | status = acpi_ps_next_parse_state(walk_state, *op, status); |
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237 | if (ACPI_FAILURE(status)) { |
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238 | if (status == AE_CTRL_PENDING) { |
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239 | status = AE_CTRL_PARSE_PENDING; |
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240 | } |
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241 | return_ACPI_STATUS(status); |
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242 | } |
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243 | |||
244 | acpi_ps_append_arg(*op, unnamed_op->common.value.arg); |
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245 | |||
246 | if ((*op)->common.aml_opcode == AML_REGION_OP || |
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247 | (*op)->common.aml_opcode == AML_DATA_REGION_OP) { |
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248 | /* |
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249 | * Defer final parsing of an operation_region body, because we don't |
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250 | * have enough info in the first pass to parse it correctly (i.e., |
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251 | * there may be method calls within the term_arg elements of the body.) |
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252 | * |
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253 | * However, we must continue parsing because the opregion is not a |
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254 | * standalone package -- we don't know where the end is at this point. |
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255 | * |
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256 | * (Length is unknown until parse of the body complete) |
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257 | */ |
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258 | (*op)->named.data = aml_op_start; |
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259 | (*op)->named.length = 0; |
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260 | } |
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261 | |||
262 | return_ACPI_STATUS(AE_OK); |
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263 | } |
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264 | |||
265 | /******************************************************************************* |
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266 | * |
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267 | * FUNCTION: acpi_ps_create_op |
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268 | * |
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269 | * PARAMETERS: walk_state - Current state |
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270 | * aml_op_start - Op start in AML |
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271 | * new_op - Returned Op |
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272 | * |
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273 | * RETURN: Status |
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274 | * |
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275 | * DESCRIPTION: Get Op from AML |
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276 | * |
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277 | ******************************************************************************/ |
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278 | |||
279 | acpi_status |
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280 | acpi_ps_create_op(struct acpi_walk_state *walk_state, |
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281 | u8 *aml_op_start, union acpi_parse_object **new_op) |
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282 | { |
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283 | acpi_status status = AE_OK; |
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284 | union acpi_parse_object *op; |
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285 | union acpi_parse_object *named_op = NULL; |
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286 | union acpi_parse_object *parent_scope; |
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287 | u8 argument_count; |
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288 | const struct acpi_opcode_info *op_info; |
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289 | |||
290 | ACPI_FUNCTION_TRACE_PTR(ps_create_op, walk_state); |
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291 | |||
292 | status = acpi_ps_get_aml_opcode(walk_state); |
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293 | if (status == AE_CTRL_PARSE_CONTINUE) { |
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294 | return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE); |
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295 | } |
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296 | |||
297 | /* Create Op structure and append to parent's argument list */ |
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298 | |||
299 | walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode); |
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300 | op = acpi_ps_alloc_op(walk_state->opcode, aml_op_start); |
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301 | if (!op) { |
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302 | return_ACPI_STATUS(AE_NO_MEMORY); |
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303 | } |
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304 | |||
305 | if (walk_state->op_info->flags & AML_NAMED) { |
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306 | status = |
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307 | acpi_ps_build_named_op(walk_state, aml_op_start, op, |
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308 | &named_op); |
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309 | acpi_ps_free_op(op); |
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310 | if (ACPI_FAILURE(status)) { |
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311 | return_ACPI_STATUS(status); |
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312 | } |
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313 | |||
314 | *new_op = named_op; |
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315 | return_ACPI_STATUS(AE_OK); |
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316 | } |
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317 | |||
318 | /* Not a named opcode, just allocate Op and append to parent */ |
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319 | |||
320 | if (walk_state->op_info->flags & AML_CREATE) { |
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321 | /* |
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322 | * Backup to beginning of create_XXXfield declaration |
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323 | * body_length is unknown until we parse the body |
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324 | */ |
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325 | op->named.data = aml_op_start; |
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326 | op->named.length = 0; |
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327 | } |
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328 | |||
329 | if (walk_state->opcode == AML_BANK_FIELD_OP) { |
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330 | /* |
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331 | * Backup to beginning of bank_field declaration |
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332 | * body_length is unknown until we parse the body |
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333 | */ |
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334 | op->named.data = aml_op_start; |
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335 | op->named.length = 0; |
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336 | } |
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337 | |||
338 | parent_scope = acpi_ps_get_parent_scope(&(walk_state->parser_state)); |
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339 | acpi_ps_append_arg(parent_scope, op); |
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340 | |||
341 | if (parent_scope) { |
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342 | op_info = |
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343 | acpi_ps_get_opcode_info(parent_scope->common.aml_opcode); |
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344 | if (op_info->flags & AML_HAS_TARGET) { |
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345 | argument_count = |
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346 | acpi_ps_get_argument_count(op_info->type); |
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347 | if (parent_scope->common.arg_list_length > |
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348 | argument_count) { |
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349 | op->common.flags |= ACPI_PARSEOP_TARGET; |
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350 | } |
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351 | } else if (parent_scope->common.aml_opcode == AML_INCREMENT_OP) { |
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352 | op->common.flags |= ACPI_PARSEOP_TARGET; |
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353 | } |
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354 | } |
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355 | |||
356 | if (walk_state->descending_callback != NULL) { |
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357 | /* |
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358 | * Find the object. This will either insert the object into |
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359 | * the namespace or simply look it up |
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360 | */ |
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361 | walk_state->op = *new_op = op; |
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362 | |||
363 | status = walk_state->descending_callback(walk_state, &op); |
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364 | status = acpi_ps_next_parse_state(walk_state, op, status); |
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365 | if (status == AE_CTRL_PENDING) { |
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366 | status = AE_CTRL_PARSE_PENDING; |
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367 | } |
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368 | } |
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369 | |||
370 | return_ACPI_STATUS(status); |
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371 | } |
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372 | |||
373 | /******************************************************************************* |
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374 | * |
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375 | * FUNCTION: acpi_ps_complete_op |
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376 | * |
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377 | * PARAMETERS: walk_state - Current state |
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378 | * op - Returned Op |
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379 | * status - Parse status before complete Op |
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380 | * |
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381 | * RETURN: Status |
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382 | * |
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383 | * DESCRIPTION: Complete Op |
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384 | * |
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385 | ******************************************************************************/ |
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386 | |||
387 | acpi_status |
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388 | acpi_ps_complete_op(struct acpi_walk_state *walk_state, |
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389 | union acpi_parse_object **op, acpi_status status) |
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390 | { |
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391 | acpi_status status2; |
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392 | |||
393 | ACPI_FUNCTION_TRACE_PTR(ps_complete_op, walk_state); |
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394 | |||
395 | /* |
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396 | * Finished one argument of the containing scope |
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397 | */ |
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398 | walk_state->parser_state.scope->parse_scope.arg_count--; |
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399 | |||
400 | /* Close this Op (will result in parse subtree deletion) */ |
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401 | |||
402 | status2 = acpi_ps_complete_this_op(walk_state, *op); |
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403 | if (ACPI_FAILURE(status2)) { |
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404 | return_ACPI_STATUS(status2); |
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405 | } |
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406 | |||
407 | *op = NULL; |
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408 | |||
409 | switch (status) { |
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410 | case AE_OK: |
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411 | |||
412 | break; |
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413 | |||
414 | case AE_CTRL_TRANSFER: |
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415 | |||
416 | /* We are about to transfer to a called method */ |
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417 | |||
418 | walk_state->prev_op = NULL; |
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419 | walk_state->prev_arg_types = walk_state->arg_types; |
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420 | return_ACPI_STATUS(status); |
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421 | |||
422 | case AE_CTRL_END: |
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423 | |||
424 | acpi_ps_pop_scope(&(walk_state->parser_state), op, |
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425 | &walk_state->arg_types, |
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426 | &walk_state->arg_count); |
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427 | |||
428 | if (*op) { |
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429 | walk_state->op = *op; |
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430 | walk_state->op_info = |
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431 | acpi_ps_get_opcode_info((*op)->common.aml_opcode); |
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432 | walk_state->opcode = (*op)->common.aml_opcode; |
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433 | |||
434 | status = walk_state->ascending_callback(walk_state); |
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435 | status = |
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436 | acpi_ps_next_parse_state(walk_state, *op, status); |
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437 | |||
438 | status2 = acpi_ps_complete_this_op(walk_state, *op); |
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439 | if (ACPI_FAILURE(status2)) { |
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440 | return_ACPI_STATUS(status2); |
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441 | } |
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442 | } |
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443 | |||
444 | status = AE_OK; |
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445 | break; |
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446 | |||
447 | case AE_CTRL_BREAK: |
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448 | case AE_CTRL_CONTINUE: |
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449 | |||
450 | /* Pop off scopes until we find the While */ |
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451 | |||
452 | while (!(*op) || ((*op)->common.aml_opcode != AML_WHILE_OP)) { |
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453 | acpi_ps_pop_scope(&(walk_state->parser_state), op, |
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454 | &walk_state->arg_types, |
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455 | &walk_state->arg_count); |
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456 | } |
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457 | |||
458 | /* Close this iteration of the While loop */ |
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459 | |||
460 | walk_state->op = *op; |
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461 | walk_state->op_info = |
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462 | acpi_ps_get_opcode_info((*op)->common.aml_opcode); |
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463 | walk_state->opcode = (*op)->common.aml_opcode; |
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464 | |||
465 | status = walk_state->ascending_callback(walk_state); |
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466 | status = acpi_ps_next_parse_state(walk_state, *op, status); |
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467 | |||
468 | status2 = acpi_ps_complete_this_op(walk_state, *op); |
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469 | if (ACPI_FAILURE(status2)) { |
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470 | return_ACPI_STATUS(status2); |
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471 | } |
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472 | |||
473 | status = AE_OK; |
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474 | break; |
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475 | |||
476 | case AE_CTRL_TERMINATE: |
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477 | |||
478 | /* Clean up */ |
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479 | do { |
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480 | if (*op) { |
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481 | status2 = |
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482 | acpi_ps_complete_this_op(walk_state, *op); |
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483 | if (ACPI_FAILURE(status2)) { |
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484 | return_ACPI_STATUS(status2); |
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485 | } |
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486 | |||
487 | acpi_ut_delete_generic_state |
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488 | (acpi_ut_pop_generic_state |
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489 | (&walk_state->control_state)); |
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490 | } |
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491 | |||
492 | acpi_ps_pop_scope(&(walk_state->parser_state), op, |
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493 | &walk_state->arg_types, |
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494 | &walk_state->arg_count); |
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495 | |||
496 | } while (*op); |
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497 | |||
498 | return_ACPI_STATUS(AE_OK); |
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499 | |||
500 | default: /* All other non-AE_OK status */ |
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501 | |||
502 | do { |
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503 | if (*op) { |
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504 | status2 = |
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505 | acpi_ps_complete_this_op(walk_state, *op); |
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506 | if (ACPI_FAILURE(status2)) { |
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507 | return_ACPI_STATUS(status2); |
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508 | } |
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509 | } |
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510 | |||
511 | acpi_ps_pop_scope(&(walk_state->parser_state), op, |
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512 | &walk_state->arg_types, |
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513 | &walk_state->arg_count); |
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514 | |||
515 | } while (*op); |
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516 | |||
517 | #if 0 |
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518 | /* |
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519 | * TBD: Cleanup parse ops on error |
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520 | */ |
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521 | if (*op == NULL) { |
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522 | acpi_ps_pop_scope(parser_state, op, |
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523 | &walk_state->arg_types, |
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524 | &walk_state->arg_count); |
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525 | } |
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526 | #endif |
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527 | walk_state->prev_op = NULL; |
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528 | walk_state->prev_arg_types = walk_state->arg_types; |
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529 | return_ACPI_STATUS(status); |
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530 | } |
||
531 | |||
532 | /* This scope complete? */ |
||
533 | |||
534 | if (acpi_ps_has_completed_scope(&(walk_state->parser_state))) { |
||
535 | acpi_ps_pop_scope(&(walk_state->parser_state), op, |
||
536 | &walk_state->arg_types, |
||
537 | &walk_state->arg_count); |
||
538 | ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *op)); |
||
539 | } else { |
||
540 | *op = NULL; |
||
541 | } |
||
542 | |||
543 | return_ACPI_STATUS(AE_OK); |
||
544 | } |
||
545 | |||
546 | /******************************************************************************* |
||
547 | * |
||
548 | * FUNCTION: acpi_ps_complete_final_op |
||
549 | * |
||
550 | * PARAMETERS: walk_state - Current state |
||
551 | * op - Current Op |
||
552 | * status - Current parse status before complete last |
||
553 | * Op |
||
554 | * |
||
555 | * RETURN: Status |
||
556 | * |
||
557 | * DESCRIPTION: Complete last Op. |
||
558 | * |
||
559 | ******************************************************************************/ |
||
560 | |||
561 | acpi_status |
||
562 | acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, |
||
563 | union acpi_parse_object *op, acpi_status status) |
||
564 | { |
||
565 | acpi_status status2; |
||
566 | |||
567 | ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state); |
||
568 | |||
569 | /* |
||
570 | * Complete the last Op (if not completed), and clear the scope stack. |
||
571 | * It is easily possible to end an AML "package" with an unbounded number |
||
572 | * of open scopes (such as when several ASL blocks are closed with |
||
573 | * sequential closing braces). We want to terminate each one cleanly. |
||
574 | */ |
||
575 | ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "AML package complete at Op %p\n", |
||
576 | op)); |
||
577 | do { |
||
578 | if (op) { |
||
579 | if (walk_state->ascending_callback != NULL) { |
||
580 | walk_state->op = op; |
||
581 | walk_state->op_info = |
||
582 | acpi_ps_get_opcode_info(op->common. |
||
583 | aml_opcode); |
||
584 | walk_state->opcode = op->common.aml_opcode; |
||
585 | |||
586 | status = |
||
587 | walk_state->ascending_callback(walk_state); |
||
588 | status = |
||
589 | acpi_ps_next_parse_state(walk_state, op, |
||
590 | status); |
||
591 | if (status == AE_CTRL_PENDING) { |
||
592 | status = |
||
593 | acpi_ps_complete_op(walk_state, &op, |
||
594 | AE_OK); |
||
595 | if (ACPI_FAILURE(status)) { |
||
596 | return_ACPI_STATUS(status); |
||
597 | } |
||
598 | } |
||
599 | |||
600 | if (status == AE_CTRL_TERMINATE) { |
||
601 | status = AE_OK; |
||
602 | |||
603 | /* Clean up */ |
||
604 | do { |
||
605 | if (op) { |
||
606 | status2 = |
||
607 | acpi_ps_complete_this_op |
||
608 | (walk_state, op); |
||
609 | if (ACPI_FAILURE |
||
610 | (status2)) { |
||
611 | return_ACPI_STATUS |
||
612 | (status2); |
||
613 | } |
||
614 | } |
||
615 | |||
616 | acpi_ps_pop_scope(& |
||
617 | (walk_state-> |
||
618 | parser_state), |
||
619 | &op, |
||
620 | &walk_state-> |
||
621 | arg_types, |
||
622 | &walk_state-> |
||
623 | arg_count); |
||
624 | |||
625 | } while (op); |
||
626 | |||
627 | return_ACPI_STATUS(status); |
||
628 | } |
||
629 | |||
630 | else if (ACPI_FAILURE(status)) { |
||
631 | |||
632 | /* First error is most important */ |
||
633 | |||
634 | (void) |
||
635 | acpi_ps_complete_this_op(walk_state, |
||
636 | op); |
||
637 | return_ACPI_STATUS(status); |
||
638 | } |
||
639 | } |
||
640 | |||
641 | status2 = acpi_ps_complete_this_op(walk_state, op); |
||
642 | if (ACPI_FAILURE(status2)) { |
||
643 | return_ACPI_STATUS(status2); |
||
644 | } |
||
645 | } |
||
646 | |||
647 | acpi_ps_pop_scope(&(walk_state->parser_state), &op, |
||
648 | &walk_state->arg_types, |
||
649 | &walk_state->arg_count); |
||
650 | |||
651 | } while (op); |
||
652 | |||
653 | return_ACPI_STATUS(status); |
||
654 | } |