/******************************************************************************* * * Module Name: rsmisc - Miscellaneous resource descriptors * $Revision: 1.48 $ * ******************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2008, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * *****************************************************************************/ #define __RSMISC_C__ #include "acpi.h" #include "acresrc.h" #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME ("rsmisc") #define INIT_RESOURCE_TYPE(i) i->ResourceOffset #define INIT_RESOURCE_LENGTH(i) i->AmlOffset #define INIT_TABLE_LENGTH(i) i->Value #define COMPARE_OPCODE(i) i->ResourceOffset #define COMPARE_TARGET(i) i->AmlOffset #define COMPARE_VALUE(i) i->Value /******************************************************************************* * * FUNCTION: AcpiRsConvertAmlToResource * * PARAMETERS: Resource - Pointer to the resource descriptor * Aml - Where the AML descriptor is returned * Info - Pointer to appropriate conversion table * * RETURN: Status * * DESCRIPTION: Convert an external AML resource descriptor to the corresponding * internal resource descriptor * ******************************************************************************/ ACPI_STATUS AcpiRsConvertAmlToResource ( ACPI_RESOURCE *Resource, AML_RESOURCE *Aml, ACPI_RSCONVERT_INFO *Info) { ACPI_RS_LENGTH AmlResourceLength; void *Source; void *Destination; char *Target; UINT8 Count; UINT8 FlagsMode = FALSE; UINT16 ItemCount = 0; UINT16 Temp16 = 0; ACPI_FUNCTION_TRACE (RsConvertAmlToResource); if (((ACPI_SIZE) Resource) & 0x3) { /* Each internal resource struct is expected to be 32-bit aligned */ ACPI_WARNING ((AE_INFO, "Misaligned resource pointer (get): %p Type %2.2X Len %X", Resource, Resource->Type, Resource->Length)); } /* Extract the resource Length field (does not include header length) */ AmlResourceLength = AcpiUtGetResourceLength (Aml); /* * First table entry must be ACPI_RSC_INITxxx and must contain the * table length (# of table entries) */ Count = INIT_TABLE_LENGTH (Info); while (Count) { /* * Source is the external AML byte stream buffer, * destination is the internal resource descriptor */ Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); switch (Info->Opcode) { case ACPI_RSC_INITGET: /* * Get the resource type and the initial (minimum) length */ ACPI_MEMSET (Resource, 0, INIT_RESOURCE_LENGTH (Info)); Resource->Type = INIT_RESOURCE_TYPE (Info); Resource->Length = INIT_RESOURCE_LENGTH (Info); break; case ACPI_RSC_INITSET: break; case ACPI_RSC_FLAGINIT: FlagsMode = TRUE; break; case ACPI_RSC_1BITFLAG: /* * Mask and shift the flag bit */ ACPI_SET8 (Destination) = (UINT8) ((ACPI_GET8 (Source) >> Info->Value) & 0x01); break; case ACPI_RSC_2BITFLAG: /* * Mask and shift the flag bits */ ACPI_SET8 (Destination) = (UINT8) ((ACPI_GET8 (Source) >> Info->Value) & 0x03); break; case ACPI_RSC_COUNT: ItemCount = ACPI_GET8 (Source); ACPI_SET8 (Destination) = (UINT8) ItemCount; Resource->Length = Resource->Length + (Info->Value * (ItemCount - 1)); break; case ACPI_RSC_COUNT16: ItemCount = AmlResourceLength; ACPI_SET16 (Destination) = ItemCount; Resource->Length = Resource->Length + (Info->Value * (ItemCount - 1)); break; case ACPI_RSC_LENGTH: Resource->Length = Resource->Length + Info->Value; break; case ACPI_RSC_MOVE8: case ACPI_RSC_MOVE16: case ACPI_RSC_MOVE32: case ACPI_RSC_MOVE64: /* * Raw data move. Use the Info value field unless ItemCount has * been previously initialized via a COUNT opcode */ if (Info->Value) { ItemCount = Info->Value; } AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); break; case ACPI_RSC_SET8: ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value); break; case ACPI_RSC_DATA8: Target = ACPI_ADD_PTR (char, Resource, Info->Value); ACPI_MEMCPY (Destination, Source, ACPI_GET16 (Target)); break; case ACPI_RSC_ADDRESS: /* * Common handler for address descriptor flags */ if (!AcpiRsGetAddressCommon (Resource, Aml)) { return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); } break; case ACPI_RSC_SOURCE: /* * Optional ResourceSource (Index and String) */ Resource->Length += AcpiRsGetResourceSource (AmlResourceLength, Info->Value, Destination, Aml, NULL); break; case ACPI_RSC_SOURCEX: /* * Optional ResourceSource (Index and String). This is the more * complicated case used by the Interrupt() macro */ Target = ACPI_ADD_PTR (char, Resource, Info->AmlOffset + (ItemCount * 4)); Resource->Length += AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH) (((ItemCount - 1) * sizeof (UINT32)) + Info->Value), Destination, Aml, Target); break; case ACPI_RSC_BITMASK: /* * 8-bit encoded bitmask (DMA macro) */ ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination); if (ItemCount) { Resource->Length += (ItemCount - 1); } Target = ACPI_ADD_PTR (char, Resource, Info->Value); ACPI_SET8 (Target) = (UINT8) ItemCount; break; case ACPI_RSC_BITMASK16: /* * 16-bit encoded bitmask (IRQ macro) */ ACPI_MOVE_16_TO_16 (&Temp16, Source); ItemCount = AcpiRsDecodeBitmask (Temp16, Destination); if (ItemCount) { Resource->Length += (ItemCount - 1); } Target = ACPI_ADD_PTR (char, Resource, Info->Value); ACPI_SET8 (Target) = (UINT8) ItemCount; break; case ACPI_RSC_EXIT_NE: /* * Control - Exit conversion if not equal */ switch (Info->ResourceOffset) { case ACPI_RSC_COMPARE_AML_LENGTH: if (AmlResourceLength != Info->Value) { goto Exit; } break; case ACPI_RSC_COMPARE_VALUE: if (ACPI_GET8 (Source) != Info->Value) { goto Exit; } break; default: ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); return_ACPI_STATUS (AE_BAD_PARAMETER); } break; default: ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); return_ACPI_STATUS (AE_BAD_PARAMETER); } Count--; Info++; } Exit: if (!FlagsMode) { /* Round the resource struct length up to the next boundary (32 or 64) */ Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length); } return_ACPI_STATUS (AE_OK); } /******************************************************************************* * * FUNCTION: AcpiRsConvertResourceToAml * * PARAMETERS: Resource - Pointer to the resource descriptor * Aml - Where the AML descriptor is returned * Info - Pointer to appropriate conversion table * * RETURN: Status * * DESCRIPTION: Convert an internal resource descriptor to the corresponding * external AML resource descriptor. * ******************************************************************************/ ACPI_STATUS AcpiRsConvertResourceToAml ( ACPI_RESOURCE *Resource, AML_RESOURCE *Aml, ACPI_RSCONVERT_INFO *Info) { void *Source = NULL; void *Destination; ACPI_RSDESC_SIZE AmlLength = 0; UINT8 Count; UINT16 Temp16 = 0; UINT16 ItemCount = 0; ACPI_FUNCTION_TRACE (RsConvertResourceToAml); /* * First table entry must be ACPI_RSC_INITxxx and must contain the * table length (# of table entries) */ Count = INIT_TABLE_LENGTH (Info); while (Count) { /* * Source is the internal resource descriptor, * destination is the external AML byte stream buffer */ Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); switch (Info->Opcode) { case ACPI_RSC_INITSET: ACPI_MEMSET (Aml, 0, INIT_RESOURCE_LENGTH (Info)); AmlLength = INIT_RESOURCE_LENGTH (Info); AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml); break; case ACPI_RSC_INITGET: break; case ACPI_RSC_FLAGINIT: /* * Clear the flag byte */ ACPI_SET8 (Destination) = 0; break; case ACPI_RSC_1BITFLAG: /* * Mask and shift the flag bit */ ACPI_SET8 (Destination) |= (UINT8) ((ACPI_GET8 (Source) & 0x01) << Info->Value); break; case ACPI_RSC_2BITFLAG: /* * Mask and shift the flag bits */ ACPI_SET8 (Destination) |= (UINT8) ((ACPI_GET8 (Source) & 0x03) << Info->Value); break; case ACPI_RSC_COUNT: ItemCount = ACPI_GET8 (Source); ACPI_SET8 (Destination) = (UINT8) ItemCount; AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1))); break; case ACPI_RSC_COUNT16: ItemCount = ACPI_GET16 (Source); AmlLength = (UINT16) (AmlLength + ItemCount); AcpiRsSetResourceLength (AmlLength, Aml); break; case ACPI_RSC_LENGTH: AcpiRsSetResourceLength (Info->Value, Aml); break; case ACPI_RSC_MOVE8: case ACPI_RSC_MOVE16: case ACPI_RSC_MOVE32: case ACPI_RSC_MOVE64: if (Info->Value) { ItemCount = Info->Value; } AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); break; case ACPI_RSC_ADDRESS: /* Set the Resource Type, General Flags, and Type-Specific Flags */ AcpiRsSetAddressCommon (Aml, Resource); break; case ACPI_RSC_SOURCEX: /* * Optional ResourceSource (Index and String) */ AmlLength = AcpiRsSetResourceSource ( Aml, (ACPI_RS_LENGTH) AmlLength, Source); AcpiRsSetResourceLength (AmlLength, Aml); break; case ACPI_RSC_SOURCE: /* * Optional ResourceSource (Index and String). This is the more * complicated case used by the Interrupt() macro */ AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source); AcpiRsSetResourceLength (AmlLength, Aml); break; case ACPI_RSC_BITMASK: /* * 8-bit encoded bitmask (DMA macro) */ ACPI_SET8 (Destination) = (UINT8) AcpiRsEncodeBitmask (Source, *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); break; case ACPI_RSC_BITMASK16: /* * 16-bit encoded bitmask (IRQ macro) */ Temp16 = AcpiRsEncodeBitmask (Source, *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); ACPI_MOVE_16_TO_16 (Destination, &Temp16); break; case ACPI_RSC_EXIT_LE: /* * Control - Exit conversion if less than or equal */ if (ItemCount <= Info->Value) { goto Exit; } break; case ACPI_RSC_EXIT_NE: /* * Control - Exit conversion if not equal */ switch (COMPARE_OPCODE (Info)) { case ACPI_RSC_COMPARE_VALUE: if (*ACPI_ADD_PTR (UINT8, Resource, COMPARE_TARGET (Info)) != COMPARE_VALUE (Info)) { goto Exit; } break; default: ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); return_ACPI_STATUS (AE_BAD_PARAMETER); } break; case ACPI_RSC_EXIT_EQ: /* * Control - Exit conversion if equal */ if (*ACPI_ADD_PTR (UINT8, Resource, COMPARE_TARGET (Info)) == COMPARE_VALUE (Info)) { goto Exit; } break; default: ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); return_ACPI_STATUS (AE_BAD_PARAMETER); } Count--; Info++; } Exit: return_ACPI_STATUS (AE_OK); } #if 0 /* Previous resource validations */ if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { return_ACPI_STATUS (AE_SUPPORT); } if (Resource->Data.StartDpf.PerformanceRobustness >= 3) { return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); } if (((Aml->Irq.Flags & 0x09) == 0x00) || ((Aml->Irq.Flags & 0x09) == 0x09)) { /* * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive] * polarity/trigger interrupts are allowed (ACPI spec, section * "IRQ Format"), so 0x00 and 0x09 are illegal. */ ACPI_ERROR ((AE_INFO, "Invalid interrupt polarity/trigger in resource list, %X", Aml->Irq.Flags)); return_ACPI_STATUS (AE_BAD_DATA); } Resource->Data.ExtendedIrq.InterruptCount = Temp8; if (Temp8 < 1) { /* Must have at least one IRQ */ return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); } if (Resource->Data.Dma.Transfer == 0x03) { ACPI_ERROR ((AE_INFO, "Invalid DMA.Transfer preference (3)")); return_ACPI_STATUS (AE_BAD_DATA); } #endif