rsmisc.c revision 1.1.1.2.2.2
1 1.1.1.2.2.2 bouyer /******************************************************************************* 2 1.1.1.2.2.2 bouyer * 3 1.1.1.2.2.2 bouyer * Module Name: rsmisc - Miscellaneous resource descriptors 4 1.1.1.2.2.2 bouyer * 5 1.1.1.2.2.2 bouyer ******************************************************************************/ 6 1.1.1.2.2.2 bouyer 7 1.1.1.2.2.2 bouyer /* 8 1.1.1.2.2.2 bouyer * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.2.2 bouyer * All rights reserved. 10 1.1.1.2.2.2 bouyer * 11 1.1.1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.2.2 bouyer * modification, are permitted provided that the following conditions 13 1.1.1.2.2.2 bouyer * are met: 14 1.1.1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.2.2 bouyer * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.2.2 bouyer * without modification. 17 1.1.1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.2.2 bouyer * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.2.2 bouyer * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.2.2 bouyer * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.2.2 bouyer * binary redistribution. 22 1.1.1.2.2.2 bouyer * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.2.2 bouyer * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.1.1.2.2.2 bouyer * 26 1.1.1.2.2.2 bouyer * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.2.2 bouyer * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.2.2 bouyer * Software Foundation. 29 1.1.1.2.2.2 bouyer * 30 1.1.1.2.2.2 bouyer * NO WARRANTY 31 1.1.1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.2.2 bouyer * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.2.2 bouyer * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.2.2 bouyer * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.2.2 bouyer * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.2.2 bouyer * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.2.2 bouyer */ 43 1.1.1.2.2.2 bouyer 44 1.1.1.2.2.2 bouyer #define __RSMISC_C__ 45 1.1.1.2.2.2 bouyer 46 1.1.1.2.2.2 bouyer #include "acpi.h" 47 1.1.1.2.2.2 bouyer #include "accommon.h" 48 1.1.1.2.2.2 bouyer #include "acresrc.h" 49 1.1.1.2.2.2 bouyer 50 1.1.1.2.2.2 bouyer #define _COMPONENT ACPI_RESOURCES 51 1.1.1.2.2.2 bouyer ACPI_MODULE_NAME ("rsmisc") 52 1.1.1.2.2.2 bouyer 53 1.1.1.2.2.2 bouyer 54 1.1.1.2.2.2 bouyer #define INIT_RESOURCE_TYPE(i) i->ResourceOffset 55 1.1.1.2.2.2 bouyer #define INIT_RESOURCE_LENGTH(i) i->AmlOffset 56 1.1.1.2.2.2 bouyer #define INIT_TABLE_LENGTH(i) i->Value 57 1.1.1.2.2.2 bouyer 58 1.1.1.2.2.2 bouyer #define COMPARE_OPCODE(i) i->ResourceOffset 59 1.1.1.2.2.2 bouyer #define COMPARE_TARGET(i) i->AmlOffset 60 1.1.1.2.2.2 bouyer #define COMPARE_VALUE(i) i->Value 61 1.1.1.2.2.2 bouyer 62 1.1.1.2.2.2 bouyer 63 1.1.1.2.2.2 bouyer /******************************************************************************* 64 1.1.1.2.2.2 bouyer * 65 1.1.1.2.2.2 bouyer * FUNCTION: AcpiRsConvertAmlToResource 66 1.1.1.2.2.2 bouyer * 67 1.1.1.2.2.2 bouyer * PARAMETERS: Resource - Pointer to the resource descriptor 68 1.1.1.2.2.2 bouyer * Aml - Where the AML descriptor is returned 69 1.1.1.2.2.2 bouyer * Info - Pointer to appropriate conversion table 70 1.1.1.2.2.2 bouyer * 71 1.1.1.2.2.2 bouyer * RETURN: Status 72 1.1.1.2.2.2 bouyer * 73 1.1.1.2.2.2 bouyer * DESCRIPTION: Convert an external AML resource descriptor to the corresponding 74 1.1.1.2.2.2 bouyer * internal resource descriptor 75 1.1.1.2.2.2 bouyer * 76 1.1.1.2.2.2 bouyer ******************************************************************************/ 77 1.1.1.2.2.2 bouyer 78 1.1.1.2.2.2 bouyer ACPI_STATUS 79 1.1.1.2.2.2 bouyer AcpiRsConvertAmlToResource ( 80 1.1.1.2.2.2 bouyer ACPI_RESOURCE *Resource, 81 1.1.1.2.2.2 bouyer AML_RESOURCE *Aml, 82 1.1.1.2.2.2 bouyer ACPI_RSCONVERT_INFO *Info) 83 1.1.1.2.2.2 bouyer { 84 1.1.1.2.2.2 bouyer ACPI_RS_LENGTH AmlResourceLength; 85 1.1.1.2.2.2 bouyer void *Source; 86 1.1.1.2.2.2 bouyer void *Destination; 87 1.1.1.2.2.2 bouyer char *Target; 88 1.1.1.2.2.2 bouyer UINT8 Count; 89 1.1.1.2.2.2 bouyer UINT8 FlagsMode = FALSE; 90 1.1.1.2.2.2 bouyer UINT16 ItemCount = 0; 91 1.1.1.2.2.2 bouyer UINT16 Temp16 = 0; 92 1.1.1.2.2.2 bouyer 93 1.1.1.2.2.2 bouyer 94 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (RsConvertAmlToResource); 95 1.1.1.2.2.2 bouyer 96 1.1.1.2.2.2 bouyer 97 1.1.1.2.2.2 bouyer if (((ACPI_SIZE) Resource) & 0x3) 98 1.1.1.2.2.2 bouyer { 99 1.1.1.2.2.2 bouyer /* Each internal resource struct is expected to be 32-bit aligned */ 100 1.1.1.2.2.2 bouyer 101 1.1.1.2.2.2 bouyer ACPI_WARNING ((AE_INFO, 102 1.1.1.2.2.2 bouyer "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u", 103 1.1.1.2.2.2 bouyer Resource, Resource->Type, Resource->Length)); 104 1.1.1.2.2.2 bouyer } 105 1.1.1.2.2.2 bouyer 106 1.1.1.2.2.2 bouyer /* Extract the resource Length field (does not include header length) */ 107 1.1.1.2.2.2 bouyer 108 1.1.1.2.2.2 bouyer AmlResourceLength = AcpiUtGetResourceLength (Aml); 109 1.1.1.2.2.2 bouyer 110 1.1.1.2.2.2 bouyer /* 111 1.1.1.2.2.2 bouyer * First table entry must be ACPI_RSC_INITxxx and must contain the 112 1.1.1.2.2.2 bouyer * table length (# of table entries) 113 1.1.1.2.2.2 bouyer */ 114 1.1.1.2.2.2 bouyer Count = INIT_TABLE_LENGTH (Info); 115 1.1.1.2.2.2 bouyer 116 1.1.1.2.2.2 bouyer while (Count) 117 1.1.1.2.2.2 bouyer { 118 1.1.1.2.2.2 bouyer /* 119 1.1.1.2.2.2 bouyer * Source is the external AML byte stream buffer, 120 1.1.1.2.2.2 bouyer * destination is the internal resource descriptor 121 1.1.1.2.2.2 bouyer */ 122 1.1.1.2.2.2 bouyer Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); 123 1.1.1.2.2.2 bouyer Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); 124 1.1.1.2.2.2 bouyer 125 1.1.1.2.2.2 bouyer switch (Info->Opcode) 126 1.1.1.2.2.2 bouyer { 127 1.1.1.2.2.2 bouyer case ACPI_RSC_INITGET: 128 1.1.1.2.2.2 bouyer /* 129 1.1.1.2.2.2 bouyer * Get the resource type and the initial (minimum) length 130 1.1.1.2.2.2 bouyer */ 131 1.1.1.2.2.2 bouyer ACPI_MEMSET (Resource, 0, INIT_RESOURCE_LENGTH (Info)); 132 1.1.1.2.2.2 bouyer Resource->Type = INIT_RESOURCE_TYPE (Info); 133 1.1.1.2.2.2 bouyer Resource->Length = INIT_RESOURCE_LENGTH (Info); 134 1.1.1.2.2.2 bouyer break; 135 1.1.1.2.2.2 bouyer 136 1.1.1.2.2.2 bouyer 137 1.1.1.2.2.2 bouyer case ACPI_RSC_INITSET: 138 1.1.1.2.2.2 bouyer break; 139 1.1.1.2.2.2 bouyer 140 1.1.1.2.2.2 bouyer 141 1.1.1.2.2.2 bouyer case ACPI_RSC_FLAGINIT: 142 1.1.1.2.2.2 bouyer 143 1.1.1.2.2.2 bouyer FlagsMode = TRUE; 144 1.1.1.2.2.2 bouyer break; 145 1.1.1.2.2.2 bouyer 146 1.1.1.2.2.2 bouyer 147 1.1.1.2.2.2 bouyer case ACPI_RSC_1BITFLAG: 148 1.1.1.2.2.2 bouyer /* 149 1.1.1.2.2.2 bouyer * Mask and shift the flag bit 150 1.1.1.2.2.2 bouyer */ 151 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) = (UINT8) 152 1.1.1.2.2.2 bouyer ((ACPI_GET8 (Source) >> Info->Value) & 0x01); 153 1.1.1.2.2.2 bouyer break; 154 1.1.1.2.2.2 bouyer 155 1.1.1.2.2.2 bouyer 156 1.1.1.2.2.2 bouyer case ACPI_RSC_2BITFLAG: 157 1.1.1.2.2.2 bouyer /* 158 1.1.1.2.2.2 bouyer * Mask and shift the flag bits 159 1.1.1.2.2.2 bouyer */ 160 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) = (UINT8) 161 1.1.1.2.2.2 bouyer ((ACPI_GET8 (Source) >> Info->Value) & 0x03); 162 1.1.1.2.2.2 bouyer break; 163 1.1.1.2.2.2 bouyer 164 1.1.1.2.2.2 bouyer 165 1.1.1.2.2.2 bouyer case ACPI_RSC_COUNT: 166 1.1.1.2.2.2 bouyer 167 1.1.1.2.2.2 bouyer ItemCount = ACPI_GET8 (Source); 168 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) = (UINT8) ItemCount; 169 1.1.1.2.2.2 bouyer 170 1.1.1.2.2.2 bouyer Resource->Length = Resource->Length + 171 1.1.1.2.2.2 bouyer (Info->Value * (ItemCount - 1)); 172 1.1.1.2.2.2 bouyer break; 173 1.1.1.2.2.2 bouyer 174 1.1.1.2.2.2 bouyer 175 1.1.1.2.2.2 bouyer case ACPI_RSC_COUNT16: 176 1.1.1.2.2.2 bouyer 177 1.1.1.2.2.2 bouyer ItemCount = AmlResourceLength; 178 1.1.1.2.2.2 bouyer ACPI_SET16 (Destination) = ItemCount; 179 1.1.1.2.2.2 bouyer 180 1.1.1.2.2.2 bouyer Resource->Length = Resource->Length + 181 1.1.1.2.2.2 bouyer (Info->Value * (ItemCount - 1)); 182 1.1.1.2.2.2 bouyer break; 183 1.1.1.2.2.2 bouyer 184 1.1.1.2.2.2 bouyer 185 1.1.1.2.2.2 bouyer case ACPI_RSC_LENGTH: 186 1.1.1.2.2.2 bouyer 187 1.1.1.2.2.2 bouyer Resource->Length = Resource->Length + Info->Value; 188 1.1.1.2.2.2 bouyer break; 189 1.1.1.2.2.2 bouyer 190 1.1.1.2.2.2 bouyer 191 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE8: 192 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE16: 193 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE32: 194 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE64: 195 1.1.1.2.2.2 bouyer /* 196 1.1.1.2.2.2 bouyer * Raw data move. Use the Info value field unless ItemCount has 197 1.1.1.2.2.2 bouyer * been previously initialized via a COUNT opcode 198 1.1.1.2.2.2 bouyer */ 199 1.1.1.2.2.2 bouyer if (Info->Value) 200 1.1.1.2.2.2 bouyer { 201 1.1.1.2.2.2 bouyer ItemCount = Info->Value; 202 1.1.1.2.2.2 bouyer } 203 1.1.1.2.2.2 bouyer AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 204 1.1.1.2.2.2 bouyer break; 205 1.1.1.2.2.2 bouyer 206 1.1.1.2.2.2 bouyer 207 1.1.1.2.2.2 bouyer case ACPI_RSC_SET8: 208 1.1.1.2.2.2 bouyer 209 1.1.1.2.2.2 bouyer ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value); 210 1.1.1.2.2.2 bouyer break; 211 1.1.1.2.2.2 bouyer 212 1.1.1.2.2.2 bouyer 213 1.1.1.2.2.2 bouyer case ACPI_RSC_DATA8: 214 1.1.1.2.2.2 bouyer 215 1.1.1.2.2.2 bouyer Target = ACPI_ADD_PTR (char, Resource, Info->Value); 216 1.1.1.2.2.2 bouyer ACPI_MEMCPY (Destination, Source, ACPI_GET16 (Target)); 217 1.1.1.2.2.2 bouyer break; 218 1.1.1.2.2.2 bouyer 219 1.1.1.2.2.2 bouyer 220 1.1.1.2.2.2 bouyer case ACPI_RSC_ADDRESS: 221 1.1.1.2.2.2 bouyer /* 222 1.1.1.2.2.2 bouyer * Common handler for address descriptor flags 223 1.1.1.2.2.2 bouyer */ 224 1.1.1.2.2.2 bouyer if (!AcpiRsGetAddressCommon (Resource, Aml)) 225 1.1.1.2.2.2 bouyer { 226 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); 227 1.1.1.2.2.2 bouyer } 228 1.1.1.2.2.2 bouyer break; 229 1.1.1.2.2.2 bouyer 230 1.1.1.2.2.2 bouyer 231 1.1.1.2.2.2 bouyer case ACPI_RSC_SOURCE: 232 1.1.1.2.2.2 bouyer /* 233 1.1.1.2.2.2 bouyer * Optional ResourceSource (Index and String) 234 1.1.1.2.2.2 bouyer */ 235 1.1.1.2.2.2 bouyer Resource->Length += 236 1.1.1.2.2.2 bouyer AcpiRsGetResourceSource (AmlResourceLength, Info->Value, 237 1.1.1.2.2.2 bouyer Destination, Aml, NULL); 238 1.1.1.2.2.2 bouyer break; 239 1.1.1.2.2.2 bouyer 240 1.1.1.2.2.2 bouyer 241 1.1.1.2.2.2 bouyer case ACPI_RSC_SOURCEX: 242 1.1.1.2.2.2 bouyer /* 243 1.1.1.2.2.2 bouyer * Optional ResourceSource (Index and String). This is the more 244 1.1.1.2.2.2 bouyer * complicated case used by the Interrupt() macro 245 1.1.1.2.2.2 bouyer */ 246 1.1.1.2.2.2 bouyer Target = ACPI_ADD_PTR (char, Resource, Info->AmlOffset + (ItemCount * 4)); 247 1.1.1.2.2.2 bouyer 248 1.1.1.2.2.2 bouyer Resource->Length += 249 1.1.1.2.2.2 bouyer AcpiRsGetResourceSource (AmlResourceLength, 250 1.1.1.2.2.2 bouyer (ACPI_RS_LENGTH) (((ItemCount - 1) * sizeof (UINT32)) + Info->Value), 251 1.1.1.2.2.2 bouyer Destination, Aml, Target); 252 1.1.1.2.2.2 bouyer break; 253 1.1.1.2.2.2 bouyer 254 1.1.1.2.2.2 bouyer 255 1.1.1.2.2.2 bouyer case ACPI_RSC_BITMASK: 256 1.1.1.2.2.2 bouyer /* 257 1.1.1.2.2.2 bouyer * 8-bit encoded bitmask (DMA macro) 258 1.1.1.2.2.2 bouyer */ 259 1.1.1.2.2.2 bouyer ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination); 260 1.1.1.2.2.2 bouyer if (ItemCount) 261 1.1.1.2.2.2 bouyer { 262 1.1.1.2.2.2 bouyer Resource->Length += (ItemCount - 1); 263 1.1.1.2.2.2 bouyer } 264 1.1.1.2.2.2 bouyer 265 1.1.1.2.2.2 bouyer Target = ACPI_ADD_PTR (char, Resource, Info->Value); 266 1.1.1.2.2.2 bouyer ACPI_SET8 (Target) = (UINT8) ItemCount; 267 1.1.1.2.2.2 bouyer break; 268 1.1.1.2.2.2 bouyer 269 1.1.1.2.2.2 bouyer 270 1.1.1.2.2.2 bouyer case ACPI_RSC_BITMASK16: 271 1.1.1.2.2.2 bouyer /* 272 1.1.1.2.2.2 bouyer * 16-bit encoded bitmask (IRQ macro) 273 1.1.1.2.2.2 bouyer */ 274 1.1.1.2.2.2 bouyer ACPI_MOVE_16_TO_16 (&Temp16, Source); 275 1.1.1.2.2.2 bouyer 276 1.1.1.2.2.2 bouyer ItemCount = AcpiRsDecodeBitmask (Temp16, Destination); 277 1.1.1.2.2.2 bouyer if (ItemCount) 278 1.1.1.2.2.2 bouyer { 279 1.1.1.2.2.2 bouyer Resource->Length += (ItemCount - 1); 280 1.1.1.2.2.2 bouyer } 281 1.1.1.2.2.2 bouyer 282 1.1.1.2.2.2 bouyer Target = ACPI_ADD_PTR (char, Resource, Info->Value); 283 1.1.1.2.2.2 bouyer ACPI_SET8 (Target) = (UINT8) ItemCount; 284 1.1.1.2.2.2 bouyer break; 285 1.1.1.2.2.2 bouyer 286 1.1.1.2.2.2 bouyer 287 1.1.1.2.2.2 bouyer case ACPI_RSC_EXIT_NE: 288 1.1.1.2.2.2 bouyer /* 289 1.1.1.2.2.2 bouyer * Control - Exit conversion if not equal 290 1.1.1.2.2.2 bouyer */ 291 1.1.1.2.2.2 bouyer switch (Info->ResourceOffset) 292 1.1.1.2.2.2 bouyer { 293 1.1.1.2.2.2 bouyer case ACPI_RSC_COMPARE_AML_LENGTH: 294 1.1.1.2.2.2 bouyer if (AmlResourceLength != Info->Value) 295 1.1.1.2.2.2 bouyer { 296 1.1.1.2.2.2 bouyer goto Exit; 297 1.1.1.2.2.2 bouyer } 298 1.1.1.2.2.2 bouyer break; 299 1.1.1.2.2.2 bouyer 300 1.1.1.2.2.2 bouyer case ACPI_RSC_COMPARE_VALUE: 301 1.1.1.2.2.2 bouyer if (ACPI_GET8 (Source) != Info->Value) 302 1.1.1.2.2.2 bouyer { 303 1.1.1.2.2.2 bouyer goto Exit; 304 1.1.1.2.2.2 bouyer } 305 1.1.1.2.2.2 bouyer break; 306 1.1.1.2.2.2 bouyer 307 1.1.1.2.2.2 bouyer default: 308 1.1.1.2.2.2 bouyer 309 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); 310 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 311 1.1.1.2.2.2 bouyer } 312 1.1.1.2.2.2 bouyer break; 313 1.1.1.2.2.2 bouyer 314 1.1.1.2.2.2 bouyer 315 1.1.1.2.2.2 bouyer default: 316 1.1.1.2.2.2 bouyer 317 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); 318 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 319 1.1.1.2.2.2 bouyer } 320 1.1.1.2.2.2 bouyer 321 1.1.1.2.2.2 bouyer Count--; 322 1.1.1.2.2.2 bouyer Info++; 323 1.1.1.2.2.2 bouyer } 324 1.1.1.2.2.2 bouyer 325 1.1.1.2.2.2 bouyer Exit: 326 1.1.1.2.2.2 bouyer if (!FlagsMode) 327 1.1.1.2.2.2 bouyer { 328 1.1.1.2.2.2 bouyer /* Round the resource struct length up to the next boundary (32 or 64) */ 329 1.1.1.2.2.2 bouyer 330 1.1.1.2.2.2 bouyer Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length); 331 1.1.1.2.2.2 bouyer } 332 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_OK); 333 1.1.1.2.2.2 bouyer } 334 1.1.1.2.2.2 bouyer 335 1.1.1.2.2.2 bouyer 336 1.1.1.2.2.2 bouyer /******************************************************************************* 337 1.1.1.2.2.2 bouyer * 338 1.1.1.2.2.2 bouyer * FUNCTION: AcpiRsConvertResourceToAml 339 1.1.1.2.2.2 bouyer * 340 1.1.1.2.2.2 bouyer * PARAMETERS: Resource - Pointer to the resource descriptor 341 1.1.1.2.2.2 bouyer * Aml - Where the AML descriptor is returned 342 1.1.1.2.2.2 bouyer * Info - Pointer to appropriate conversion table 343 1.1.1.2.2.2 bouyer * 344 1.1.1.2.2.2 bouyer * RETURN: Status 345 1.1.1.2.2.2 bouyer * 346 1.1.1.2.2.2 bouyer * DESCRIPTION: Convert an internal resource descriptor to the corresponding 347 1.1.1.2.2.2 bouyer * external AML resource descriptor. 348 1.1.1.2.2.2 bouyer * 349 1.1.1.2.2.2 bouyer ******************************************************************************/ 350 1.1.1.2.2.2 bouyer 351 1.1.1.2.2.2 bouyer ACPI_STATUS 352 1.1.1.2.2.2 bouyer AcpiRsConvertResourceToAml ( 353 1.1.1.2.2.2 bouyer ACPI_RESOURCE *Resource, 354 1.1.1.2.2.2 bouyer AML_RESOURCE *Aml, 355 1.1.1.2.2.2 bouyer ACPI_RSCONVERT_INFO *Info) 356 1.1.1.2.2.2 bouyer { 357 1.1.1.2.2.2 bouyer void *Source = NULL; 358 1.1.1.2.2.2 bouyer void *Destination; 359 1.1.1.2.2.2 bouyer ACPI_RSDESC_SIZE AmlLength = 0; 360 1.1.1.2.2.2 bouyer UINT8 Count; 361 1.1.1.2.2.2 bouyer UINT16 Temp16 = 0; 362 1.1.1.2.2.2 bouyer UINT16 ItemCount = 0; 363 1.1.1.2.2.2 bouyer 364 1.1.1.2.2.2 bouyer 365 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (RsConvertResourceToAml); 366 1.1.1.2.2.2 bouyer 367 1.1.1.2.2.2 bouyer 368 1.1.1.2.2.2 bouyer /* 369 1.1.1.2.2.2 bouyer * First table entry must be ACPI_RSC_INITxxx and must contain the 370 1.1.1.2.2.2 bouyer * table length (# of table entries) 371 1.1.1.2.2.2 bouyer */ 372 1.1.1.2.2.2 bouyer Count = INIT_TABLE_LENGTH (Info); 373 1.1.1.2.2.2 bouyer 374 1.1.1.2.2.2 bouyer while (Count) 375 1.1.1.2.2.2 bouyer { 376 1.1.1.2.2.2 bouyer /* 377 1.1.1.2.2.2 bouyer * Source is the internal resource descriptor, 378 1.1.1.2.2.2 bouyer * destination is the external AML byte stream buffer 379 1.1.1.2.2.2 bouyer */ 380 1.1.1.2.2.2 bouyer Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); 381 1.1.1.2.2.2 bouyer Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); 382 1.1.1.2.2.2 bouyer 383 1.1.1.2.2.2 bouyer switch (Info->Opcode) 384 1.1.1.2.2.2 bouyer { 385 1.1.1.2.2.2 bouyer case ACPI_RSC_INITSET: 386 1.1.1.2.2.2 bouyer 387 1.1.1.2.2.2 bouyer ACPI_MEMSET (Aml, 0, INIT_RESOURCE_LENGTH (Info)); 388 1.1.1.2.2.2 bouyer AmlLength = INIT_RESOURCE_LENGTH (Info); 389 1.1.1.2.2.2 bouyer AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml); 390 1.1.1.2.2.2 bouyer break; 391 1.1.1.2.2.2 bouyer 392 1.1.1.2.2.2 bouyer 393 1.1.1.2.2.2 bouyer case ACPI_RSC_INITGET: 394 1.1.1.2.2.2 bouyer break; 395 1.1.1.2.2.2 bouyer 396 1.1.1.2.2.2 bouyer 397 1.1.1.2.2.2 bouyer case ACPI_RSC_FLAGINIT: 398 1.1.1.2.2.2 bouyer /* 399 1.1.1.2.2.2 bouyer * Clear the flag byte 400 1.1.1.2.2.2 bouyer */ 401 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) = 0; 402 1.1.1.2.2.2 bouyer break; 403 1.1.1.2.2.2 bouyer 404 1.1.1.2.2.2 bouyer 405 1.1.1.2.2.2 bouyer case ACPI_RSC_1BITFLAG: 406 1.1.1.2.2.2 bouyer /* 407 1.1.1.2.2.2 bouyer * Mask and shift the flag bit 408 1.1.1.2.2.2 bouyer */ 409 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) |= (UINT8) 410 1.1.1.2.2.2 bouyer ((ACPI_GET8 (Source) & 0x01) << Info->Value); 411 1.1.1.2.2.2 bouyer break; 412 1.1.1.2.2.2 bouyer 413 1.1.1.2.2.2 bouyer 414 1.1.1.2.2.2 bouyer case ACPI_RSC_2BITFLAG: 415 1.1.1.2.2.2 bouyer /* 416 1.1.1.2.2.2 bouyer * Mask and shift the flag bits 417 1.1.1.2.2.2 bouyer */ 418 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) |= (UINT8) 419 1.1.1.2.2.2 bouyer ((ACPI_GET8 (Source) & 0x03) << Info->Value); 420 1.1.1.2.2.2 bouyer break; 421 1.1.1.2.2.2 bouyer 422 1.1.1.2.2.2 bouyer 423 1.1.1.2.2.2 bouyer case ACPI_RSC_COUNT: 424 1.1.1.2.2.2 bouyer 425 1.1.1.2.2.2 bouyer ItemCount = ACPI_GET8 (Source); 426 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) = (UINT8) ItemCount; 427 1.1.1.2.2.2 bouyer 428 1.1.1.2.2.2 bouyer AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1))); 429 1.1.1.2.2.2 bouyer break; 430 1.1.1.2.2.2 bouyer 431 1.1.1.2.2.2 bouyer 432 1.1.1.2.2.2 bouyer case ACPI_RSC_COUNT16: 433 1.1.1.2.2.2 bouyer 434 1.1.1.2.2.2 bouyer ItemCount = ACPI_GET16 (Source); 435 1.1.1.2.2.2 bouyer AmlLength = (UINT16) (AmlLength + ItemCount); 436 1.1.1.2.2.2 bouyer AcpiRsSetResourceLength (AmlLength, Aml); 437 1.1.1.2.2.2 bouyer break; 438 1.1.1.2.2.2 bouyer 439 1.1.1.2.2.2 bouyer 440 1.1.1.2.2.2 bouyer case ACPI_RSC_LENGTH: 441 1.1.1.2.2.2 bouyer 442 1.1.1.2.2.2 bouyer AcpiRsSetResourceLength (Info->Value, Aml); 443 1.1.1.2.2.2 bouyer break; 444 1.1.1.2.2.2 bouyer 445 1.1.1.2.2.2 bouyer 446 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE8: 447 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE16: 448 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE32: 449 1.1.1.2.2.2 bouyer case ACPI_RSC_MOVE64: 450 1.1.1.2.2.2 bouyer 451 1.1.1.2.2.2 bouyer if (Info->Value) 452 1.1.1.2.2.2 bouyer { 453 1.1.1.2.2.2 bouyer ItemCount = Info->Value; 454 1.1.1.2.2.2 bouyer } 455 1.1.1.2.2.2 bouyer AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 456 1.1.1.2.2.2 bouyer break; 457 1.1.1.2.2.2 bouyer 458 1.1.1.2.2.2 bouyer 459 1.1.1.2.2.2 bouyer case ACPI_RSC_ADDRESS: 460 1.1.1.2.2.2 bouyer 461 1.1.1.2.2.2 bouyer /* Set the Resource Type, General Flags, and Type-Specific Flags */ 462 1.1.1.2.2.2 bouyer 463 1.1.1.2.2.2 bouyer AcpiRsSetAddressCommon (Aml, Resource); 464 1.1.1.2.2.2 bouyer break; 465 1.1.1.2.2.2 bouyer 466 1.1.1.2.2.2 bouyer 467 1.1.1.2.2.2 bouyer case ACPI_RSC_SOURCEX: 468 1.1.1.2.2.2 bouyer /* 469 1.1.1.2.2.2 bouyer * Optional ResourceSource (Index and String) 470 1.1.1.2.2.2 bouyer */ 471 1.1.1.2.2.2 bouyer AmlLength = AcpiRsSetResourceSource ( 472 1.1.1.2.2.2 bouyer Aml, (ACPI_RS_LENGTH) AmlLength, Source); 473 1.1.1.2.2.2 bouyer AcpiRsSetResourceLength (AmlLength, Aml); 474 1.1.1.2.2.2 bouyer break; 475 1.1.1.2.2.2 bouyer 476 1.1.1.2.2.2 bouyer 477 1.1.1.2.2.2 bouyer case ACPI_RSC_SOURCE: 478 1.1.1.2.2.2 bouyer /* 479 1.1.1.2.2.2 bouyer * Optional ResourceSource (Index and String). This is the more 480 1.1.1.2.2.2 bouyer * complicated case used by the Interrupt() macro 481 1.1.1.2.2.2 bouyer */ 482 1.1.1.2.2.2 bouyer AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source); 483 1.1.1.2.2.2 bouyer AcpiRsSetResourceLength (AmlLength, Aml); 484 1.1.1.2.2.2 bouyer break; 485 1.1.1.2.2.2 bouyer 486 1.1.1.2.2.2 bouyer 487 1.1.1.2.2.2 bouyer case ACPI_RSC_BITMASK: 488 1.1.1.2.2.2 bouyer /* 489 1.1.1.2.2.2 bouyer * 8-bit encoded bitmask (DMA macro) 490 1.1.1.2.2.2 bouyer */ 491 1.1.1.2.2.2 bouyer ACPI_SET8 (Destination) = (UINT8) 492 1.1.1.2.2.2 bouyer AcpiRsEncodeBitmask (Source, 493 1.1.1.2.2.2 bouyer *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); 494 1.1.1.2.2.2 bouyer break; 495 1.1.1.2.2.2 bouyer 496 1.1.1.2.2.2 bouyer 497 1.1.1.2.2.2 bouyer case ACPI_RSC_BITMASK16: 498 1.1.1.2.2.2 bouyer /* 499 1.1.1.2.2.2 bouyer * 16-bit encoded bitmask (IRQ macro) 500 1.1.1.2.2.2 bouyer */ 501 1.1.1.2.2.2 bouyer Temp16 = AcpiRsEncodeBitmask (Source, 502 1.1.1.2.2.2 bouyer *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); 503 1.1.1.2.2.2 bouyer ACPI_MOVE_16_TO_16 (Destination, &Temp16); 504 1.1.1.2.2.2 bouyer break; 505 1.1.1.2.2.2 bouyer 506 1.1.1.2.2.2 bouyer 507 1.1.1.2.2.2 bouyer case ACPI_RSC_EXIT_LE: 508 1.1.1.2.2.2 bouyer /* 509 1.1.1.2.2.2 bouyer * Control - Exit conversion if less than or equal 510 1.1.1.2.2.2 bouyer */ 511 1.1.1.2.2.2 bouyer if (ItemCount <= Info->Value) 512 1.1.1.2.2.2 bouyer { 513 1.1.1.2.2.2 bouyer goto Exit; 514 1.1.1.2.2.2 bouyer } 515 1.1.1.2.2.2 bouyer break; 516 1.1.1.2.2.2 bouyer 517 1.1.1.2.2.2 bouyer 518 1.1.1.2.2.2 bouyer case ACPI_RSC_EXIT_NE: 519 1.1.1.2.2.2 bouyer /* 520 1.1.1.2.2.2 bouyer * Control - Exit conversion if not equal 521 1.1.1.2.2.2 bouyer */ 522 1.1.1.2.2.2 bouyer switch (COMPARE_OPCODE (Info)) 523 1.1.1.2.2.2 bouyer { 524 1.1.1.2.2.2 bouyer case ACPI_RSC_COMPARE_VALUE: 525 1.1.1.2.2.2 bouyer 526 1.1.1.2.2.2 bouyer if (*ACPI_ADD_PTR (UINT8, Resource, 527 1.1.1.2.2.2 bouyer COMPARE_TARGET (Info)) != COMPARE_VALUE (Info)) 528 1.1.1.2.2.2 bouyer { 529 1.1.1.2.2.2 bouyer goto Exit; 530 1.1.1.2.2.2 bouyer } 531 1.1.1.2.2.2 bouyer break; 532 1.1.1.2.2.2 bouyer 533 1.1.1.2.2.2 bouyer default: 534 1.1.1.2.2.2 bouyer 535 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); 536 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 537 1.1.1.2.2.2 bouyer } 538 1.1.1.2.2.2 bouyer break; 539 1.1.1.2.2.2 bouyer 540 1.1.1.2.2.2 bouyer 541 1.1.1.2.2.2 bouyer case ACPI_RSC_EXIT_EQ: 542 1.1.1.2.2.2 bouyer /* 543 1.1.1.2.2.2 bouyer * Control - Exit conversion if equal 544 1.1.1.2.2.2 bouyer */ 545 1.1.1.2.2.2 bouyer if (*ACPI_ADD_PTR (UINT8, Resource, 546 1.1.1.2.2.2 bouyer COMPARE_TARGET (Info)) == COMPARE_VALUE (Info)) 547 1.1.1.2.2.2 bouyer { 548 1.1.1.2.2.2 bouyer goto Exit; 549 1.1.1.2.2.2 bouyer } 550 1.1.1.2.2.2 bouyer break; 551 1.1.1.2.2.2 bouyer 552 1.1.1.2.2.2 bouyer 553 1.1.1.2.2.2 bouyer default: 554 1.1.1.2.2.2 bouyer 555 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); 556 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 557 1.1.1.2.2.2 bouyer } 558 1.1.1.2.2.2 bouyer 559 1.1.1.2.2.2 bouyer Count--; 560 1.1.1.2.2.2 bouyer Info++; 561 1.1.1.2.2.2 bouyer } 562 1.1.1.2.2.2 bouyer 563 1.1.1.2.2.2 bouyer Exit: 564 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_OK); 565 1.1.1.2.2.2 bouyer } 566 1.1.1.2.2.2 bouyer 567 1.1.1.2.2.2 bouyer 568 1.1.1.2.2.2 bouyer #if 0 569 1.1.1.2.2.2 bouyer /* Previous resource validations */ 570 1.1.1.2.2.2 bouyer 571 1.1.1.2.2.2 bouyer if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) 572 1.1.1.2.2.2 bouyer { 573 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_SUPPORT); 574 1.1.1.2.2.2 bouyer } 575 1.1.1.2.2.2 bouyer 576 1.1.1.2.2.2 bouyer if (Resource->Data.StartDpf.PerformanceRobustness >= 3) 577 1.1.1.2.2.2 bouyer { 578 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); 579 1.1.1.2.2.2 bouyer } 580 1.1.1.2.2.2 bouyer 581 1.1.1.2.2.2 bouyer if (((Aml->Irq.Flags & 0x09) == 0x00) || 582 1.1.1.2.2.2 bouyer ((Aml->Irq.Flags & 0x09) == 0x09)) 583 1.1.1.2.2.2 bouyer { 584 1.1.1.2.2.2 bouyer /* 585 1.1.1.2.2.2 bouyer * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive] 586 1.1.1.2.2.2 bouyer * polarity/trigger interrupts are allowed (ACPI spec, section 587 1.1.1.2.2.2 bouyer * "IRQ Format"), so 0x00 and 0x09 are illegal. 588 1.1.1.2.2.2 bouyer */ 589 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 590 1.1.1.2.2.2 bouyer "Invalid interrupt polarity/trigger in resource list, 0x%X", 591 1.1.1.2.2.2 bouyer Aml->Irq.Flags)); 592 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_DATA); 593 1.1.1.2.2.2 bouyer } 594 1.1.1.2.2.2 bouyer 595 1.1.1.2.2.2 bouyer Resource->Data.ExtendedIrq.InterruptCount = Temp8; 596 1.1.1.2.2.2 bouyer if (Temp8 < 1) 597 1.1.1.2.2.2 bouyer { 598 1.1.1.2.2.2 bouyer /* Must have at least one IRQ */ 599 1.1.1.2.2.2 bouyer 600 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); 601 1.1.1.2.2.2 bouyer } 602 1.1.1.2.2.2 bouyer 603 1.1.1.2.2.2 bouyer if (Resource->Data.Dma.Transfer == 0x03) 604 1.1.1.2.2.2 bouyer { 605 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 606 1.1.1.2.2.2 bouyer "Invalid DMA.Transfer preference (3)")); 607 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_DATA); 608 1.1.1.2.2.2 bouyer } 609 1.1.1.2.2.2 bouyer #endif 610 1.1.1.2.2.2 bouyer 611 1.1.1.2.2.2 bouyer 612
Indexes created Sun Oct 12 02:09:55 GMT 2025