diff options
Diffstat (limited to 'sys/contrib/dev/acpica/rsutils.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rsutils.c | 160 |
1 files changed, 52 insertions, 108 deletions
diff --git a/sys/contrib/dev/acpica/rsutils.c b/sys/contrib/dev/acpica/rsutils.c index cbe498d..1b92806 100644 --- a/sys/contrib/dev/acpica/rsutils.c +++ b/sys/contrib/dev/acpica/rsutils.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Module Name: rsutils - Utilities for the resource manager - * $Revision: 23 $ + * $Revision: 29 $ * ******************************************************************************/ @@ -9,7 +9,7 @@ * * 1. Copyright Notice * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. + * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp. * All rights reserved. * * 2. License @@ -123,7 +123,7 @@ #define _COMPONENT ACPI_RESOURCES - MODULE_NAME ("rsutils") + ACPI_MODULE_NAME ("rsutils") /******************************************************************************* @@ -151,15 +151,12 @@ AcpiRsGetPrtMethodData ( { ACPI_OPERAND_OBJECT *RetObj; ACPI_STATUS Status; - UINT32 BufferSpaceNeeded; - FUNCTION_TRACE ("RsGetPrtMethodData"); + ACPI_FUNCTION_TRACE ("RsGetPrtMethodData"); - /* already validated params, so we won't repeat here */ - - BufferSpaceNeeded = RetBuffer->Length; + /* Parameters guaranteed valid by caller */ /* * Execute the method, no parameters @@ -178,35 +175,26 @@ AcpiRsGetPrtMethodData ( return_ACPI_STATUS (AE_TYPE); } - /* - * The return object will be a package, so check the - * parameters. If the return object is not a package, - * then the underlying AML code is corrupt or improperly - * written. + * The return object will be a package, so check the parameters. If the + * return object is not a package, then the underlying AML code is corrupt + * or improperly written. */ if (ACPI_TYPE_PACKAGE != RetObj->Common.Type) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRT did not return a Package, returned %s\n", + AcpiUtGetTypeName (RetObj->Common.Type))); Status = AE_AML_OPERAND_TYPE; goto Cleanup; } /* - * Make the call to create a resource linked list from the - * byte stream buffer that comes back from the _CRS method - * execution. - */ - Status = AcpiRsCreatePciRoutingTable (RetObj, RetBuffer->Pointer, - &BufferSpaceNeeded); - - /* - * Tell the user how much of the buffer we have used or is needed - * and return the final status. + * Create a resource linked list from the byte stream buffer that comes + * back from the _CRS method execution. */ - RetBuffer->Length = BufferSpaceNeeded; + Status = AcpiRsCreatePciRoutingTable (RetObj, RetBuffer); - - /* On exit, we must delete the object returned by evaluateObject */ + /* On exit, we must delete the object returned by EvaluateObject */ Cleanup: @@ -240,16 +228,15 @@ AcpiRsGetCrsMethodData ( { ACPI_OPERAND_OBJECT *RetObj; ACPI_STATUS Status; - UINT32 BufferSpaceNeeded = RetBuffer->Length; - FUNCTION_TRACE ("RsGetCrsMethodData"); + ACPI_FUNCTION_TRACE ("RsGetCrsMethodData"); - /* already validated params, so we won't repeat here */ + /* Parameters guaranteed valid by caller */ /* - * Execute the method, no parameters + * Execute the method, no parameters */ Status = AcpiNsEvaluateRelative (Handle, "_CRS", NULL, &RetObj); if (ACPI_FAILURE (Status)) @@ -267,31 +254,24 @@ AcpiRsGetCrsMethodData ( /* * The return object will be a buffer, but check the - * parameters. If the return object is not a buffer, - * then the underlying AML code is corrupt or improperly - * written. + * parameters. If the return object is not a buffer, + * then the underlying AML code is corrupt or improperly + * written. */ if (ACPI_TYPE_BUFFER != RetObj->Common.Type) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_CRS did not return a Buffer, returned %s\n", + AcpiUtGetTypeName (RetObj->Common.Type))); Status = AE_AML_OPERAND_TYPE; goto Cleanup; } /* * Make the call to create a resource linked list from the - * byte stream buffer that comes back from the _CRS method - * execution. - */ - Status = AcpiRsCreateResourceList (RetObj, RetBuffer->Pointer, - &BufferSpaceNeeded); - - - /* - * Tell the user how much of the buffer we have used or is needed - * and return the final status. + * byte stream buffer that comes back from the _CRS method + * execution. */ - RetBuffer->Length = BufferSpaceNeeded; - + Status = AcpiRsCreateResourceList (RetObj, RetBuffer); /* On exit, we must delete the object returned by evaluateObject */ @@ -327,16 +307,15 @@ AcpiRsGetPrsMethodData ( { ACPI_OPERAND_OBJECT *RetObj; ACPI_STATUS Status; - UINT32 BufferSpaceNeeded = RetBuffer->Length; - FUNCTION_TRACE ("RsGetPrsMethodData"); + ACPI_FUNCTION_TRACE ("RsGetPrsMethodData"); - /* already validated params, so we won't repeat here */ + /* Parameters guaranteed valid by caller */ /* - * Execute the method, no parameters + * Execute the method, no parameters */ Status = AcpiNsEvaluateRelative (Handle, "_PRS", NULL, &RetObj); if (ACPI_FAILURE (Status)) @@ -354,30 +333,24 @@ AcpiRsGetPrsMethodData ( /* * The return object will be a buffer, but check the - * parameters. If the return object is not a buffer, - * then the underlying AML code is corrupt or improperly - * written.. + * parameters. If the return object is not a buffer, + * then the underlying AML code is corrupt or improperly + * written.. */ if (ACPI_TYPE_BUFFER != RetObj->Common.Type) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRS did not return a Buffer, returned %s\n", + AcpiUtGetTypeName (RetObj->Common.Type))); Status = AE_AML_OPERAND_TYPE; goto Cleanup; } /* * Make the call to create a resource linked list from the - * byte stream buffer that comes back from the _CRS method - * execution. + * byte stream buffer that comes back from the _CRS method + * execution. */ - Status = AcpiRsCreateResourceList (RetObj, RetBuffer->Pointer, - &BufferSpaceNeeded); - - /* - * Tell the user how much of the buffer we have used or is needed - * and return the final status. - */ - RetBuffer->Length = BufferSpaceNeeded; - + Status = AcpiRsCreateResourceList (RetObj, RetBuffer); /* On exit, we must delete the object returned by evaluateObject */ @@ -413,53 +386,26 @@ AcpiRsSetSrsMethodData ( { ACPI_OPERAND_OBJECT *Params[2]; ACPI_STATUS Status; - UINT8 *ByteStream = NULL; - UINT32 BufferSizeNeeded = 0; + ACPI_BUFFER Buffer; - FUNCTION_TRACE ("RsSetSrsMethodData"); + ACPI_FUNCTION_TRACE ("RsSetSrsMethodData"); - /* already validated params, so we won't repeat here */ + /* Parameters guaranteed valid by caller */ /* * The InBuffer parameter will point to a linked list of * resource parameters. It needs to be formatted into a - * byte stream to be sent in as an input parameter. - */ - BufferSizeNeeded = 0; - - /* - * First call is to get the buffer size needed + * byte stream to be sent in as an input parameter to _SRS + * + * Convert the linked list into a byte stream */ - Status = AcpiRsCreateByteStream (InBuffer->Pointer, ByteStream, - &BufferSizeNeeded); - /* - * We expect a return of AE_BUFFER_OVERFLOW - * if not, exit with the error - */ - if (AE_BUFFER_OVERFLOW != Status) - { - return_ACPI_STATUS (Status); - } - - /* - * Allocate the buffer needed - */ - ByteStream = ACPI_MEM_CALLOCATE (BufferSizeNeeded); - if (NULL == ByteStream) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* - * Now call to convert the linked list into a byte stream - */ - Status = AcpiRsCreateByteStream (InBuffer->Pointer, ByteStream, - &BufferSizeNeeded); + Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; + Status = AcpiRsCreateByteStream (InBuffer->Pointer, &Buffer); if (ACPI_FAILURE (Status)) { - goto Cleanup; + return_ACPI_STATUS (Status); } /* @@ -468,28 +414,26 @@ AcpiRsSetSrsMethodData ( Params[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); if (!Params[0]) { - Status = AE_NO_MEMORY; - goto Cleanup; + AcpiOsFree (Buffer.Pointer); + return_ACPI_STATUS (AE_NO_MEMORY); } - Params [1] = NULL; /* - * Set up the parameter object + * Set up the parameter object */ - Params[0]->Buffer.Length = BufferSizeNeeded; - Params[0]->Buffer.Pointer = ByteStream; + Params[0]->Buffer.Length = Buffer.Length; + Params[0]->Buffer.Pointer = Buffer.Pointer; + Params[1] = NULL; /* * Execute the method, no return value */ Status = AcpiNsEvaluateRelative (Handle, "_SRS", Params, NULL); - AcpiUtRemoveReference (Params[0]); /* * Clean up and return the status from AcpiNsEvaluateRelative */ -Cleanup: - + AcpiUtRemoveReference (Params[0]); return_ACPI_STATUS (Status); } |
