Import compiler/ files from acpica 0619

1 files changed, 608 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/compiler/aslcodegen.c b/sys/contrib/dev/acpica/compiler/aslcodegen.c
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+
+/******************************************************************************
+ *
+ * Module Name: aslcodegen - AML code generation
+ *              $Revision: 49 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2003, 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.
+ *
+ *****************************************************************************/
+
+
+#include "aslcompiler.h"
+#include "aslcompiler.y.h"
+#include "amlcode.h"
+
+#define _COMPONENT          ACPI_COMPILER
+        ACPI_MODULE_NAME    ("aslcodegen")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    CgGenerateAmlOutput
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Generate AML code.  Currently generates the listing file
+ *              simultaneously.
+ *
+ ******************************************************************************/
+
+void
+CgGenerateAmlOutput (void)
+{
+
+    DbgPrint (ASL_DEBUG_OUTPUT, "\nWriting AML\n\n");
+
+    /* Generate the AML output file */
+
+    FlSeekFile (ASL_FILE_SOURCE_OUTPUT, 0);
+    Gbl_SourceLine = 0;
+    Gbl_NextError = Gbl_ErrorLog;
+
+    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD, CgAmlWriteWalk, NULL, NULL);
+    CgCloseTable ();
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    CgAmlWriteWalk
+ *
+ * PARAMETERS:  ASL_WALK_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse tree walk to generate the AML code.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+CgAmlWriteWalk (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  Level,
+    void                    *Context)
+{
+
+    /*
+     * Debug output
+     */
+    DbgPrint (ASL_TREE_OUTPUT,
+        "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level);
+    UtPrintFormattedName (Op->Asl.ParseOpcode, Level);
+
+    if (Op->Asl.ParseOpcode == PARSEOP_NAMESEG    ||
+        Op->Asl.ParseOpcode == PARSEOP_NAMESTRING ||
+        Op->Asl.ParseOpcode == PARSEOP_METHODCALL)
+    {
+        DbgPrint (ASL_TREE_OUTPUT,
+            "%10.32s      ", Op->Asl.ExternalName);
+    }
+    else
+    {
+        DbgPrint (ASL_TREE_OUTPUT, "                ");
+    }
+
+    DbgPrint (ASL_TREE_OUTPUT,
+        "Val-%08X POp-%04X AOp-%04X OpLen-%01X PByts-%01X Len-%04X SubLen-%04X PSubLen-%04X Op-%08X Chld-%08X Paren-%08X Flags-%04X AcTyp-%08X C-%2d L-%d\n",
+                (UINT32) Op->Asl.Value.Integer,
+                Op->Asl.ParseOpcode,
+                Op->Asl.AmlOpcode,
+                Op->Asl.AmlOpcodeLength,
+                Op->Asl.AmlPkgLenBytes,
+                Op->Asl.AmlLength,
+                Op->Asl.AmlSubtreeLength,
+                Op->Asl.Parent ? Op->Asl.Parent->Asl.AmlSubtreeLength : 0,
+                Op,
+                Op->Asl.Child,
+                Op->Asl.Parent,
+                Op->Asl.CompileFlags,
+                Op->Asl.AcpiBtype,
+                Op->Asl.Column,
+                Op->Asl.LineNumber);
+
+    /*
+     * Generate the AML for this node
+     */
+    CgWriteNode (Op);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    CgLocalWriteAmlData
+ *
+ * PARAMETERS:  Buffer          - Buffer to write
+ *              Length          - Size of data in buffer
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Write a buffer of AML data to the AML output file.
+ *
+ ******************************************************************************/
+
+void
+CgLocalWriteAmlData (
+    ACPI_PARSE_OBJECT       *Op,
+    void                    *Buffer,
+    UINT32                  Length)
+{
+
+
+    /* Write the raw data to the AML file */
+
+    FlWriteFile (ASL_FILE_AML_OUTPUT, Buffer, Length);
+
+    /* Update the final AML length for this node (used for listings) */
+
+    if (Op)
+    {
+        Op->Asl.FinalAmlLength += Length;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    CgWriteAmlOpcode
+ *
+ * PARAMETERS:  Op            - Parse node with an AML opcode
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Write the AML opcode corresponding to a parse node.
+ *
+ ******************************************************************************/
+
+void
+CgWriteAmlOpcode (
+    ACPI_PARSE_OBJECT           *Op)
+{
+    union {
+        UINT16                      Opcode;
+        UINT8                       OpcodeBytes[2];
+    } Aml;
+    union {
+        UINT32                      Len;
+        UINT8                       LenBytes[4];
+    } PkgLen;
+
+    UINT8                       PkgLenFirstByte;
+    UINT32                      i;
+
+
+    /* We expect some DEFAULT_ARGs, just ignore them */
+
+    if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
+    {
+        return;
+    }
+
+    switch (Op->Asl.AmlOpcode)
+    {
+    case AML_UNASSIGNED_OPCODE:
+
+        /* These opcodes should not get here */
+
+        printf ("Found a node with an unassigned AML opcode\n");
+        fprintf (stderr, "Found a node with an unassigned AML opcode\n");
+        return;
+
+    case AML_INT_RESERVEDFIELD_OP:
+
+        /* Special opcodes for within a field definition */
+
+        Aml.Opcode = 0x00;
+        break;
+
+    case AML_INT_ACCESSFIELD_OP:
+
+        Aml.Opcode = 0x01;
+        break;
+
+    default:
+        Aml.Opcode = Op->Asl.AmlOpcode;
+        break;
+    }
+
+
+    switch (Aml.Opcode)
+    {
+    case AML_PACKAGE_LENGTH:
+
+        /* Value is the length to be encoded (Used in field definitions) */
+
+        PkgLen.Len = (UINT32) Op->Asl.Value.Integer;
+        break;
+
+    default:
+
+        /* Check for two-byte opcode */
+
+        if (Aml.Opcode > 0x00FF)
+        {
+            /* Write the high byte first */
+
+            CgLocalWriteAmlData (Op, &Aml.OpcodeBytes[1], 1);
+        }
+
+        CgLocalWriteAmlData (Op, &Aml.OpcodeBytes[0], 1);
+
+        /* Subtreelength doesn't include length of package length bytes */
+
+        PkgLen.Len = Op->Asl.AmlSubtreeLength + Op->Asl.AmlPkgLenBytes;
+        break;
+    }
+
+    /* Does this opcode have an associated "PackageLength" field? */
+
+    if (Op->Asl.CompileFlags & NODE_AML_PACKAGE)
+    {
+        if (Op->Asl.AmlPkgLenBytes == 1)
+        {
+            /* Simplest case -- no bytes to follow, just write the count */
+
+            CgLocalWriteAmlData (Op, &PkgLen.LenBytes[0], 1);
+        }
+        else
+        {
+            /*
+             * Encode the "bytes to follow" in the first byte, top two bits.
+             * The low-order nybble of the length is in the bottom 4 bits
+             */
+            PkgLenFirstByte = (UINT8) (((UINT32) (Op->Asl.AmlPkgLenBytes - 1) << 6) |
+                                        (PkgLen.LenBytes[0] & 0x0F));
+
+            CgLocalWriteAmlData (Op, &PkgLenFirstByte, 1);
+
+            /* Shift the length over by the 4 bits we just stuffed in the first byte */
+
+            PkgLen.Len >>= 4;
+
+            /* Now we can write the remaining bytes - either 1, 2, or 3 bytes */
+
+            for (i = 0; i < (UINT32) (Op->Asl.AmlPkgLenBytes - 1); i++)
+            {
+                CgLocalWriteAmlData (Op, &PkgLen.LenBytes[i], 1);
+            }
+        }
+    }
+
+    switch (Aml.Opcode)
+    {
+    case AML_BYTE_OP:
+
+        CgLocalWriteAmlData (Op, (UINT8 *) &Op->Asl.Value.Integer, 1);
+        break;
+
+    case AML_WORD_OP:
+
+        CgLocalWriteAmlData (Op, (UINT16 *) &Op->Asl.Value.Integer, 2);
+       break;
+
+    case AML_DWORD_OP:
+
+        CgLocalWriteAmlData (Op, (UINT32 *) &Op->Asl.Value.Integer, 4);
+        break;
+
+    case AML_QWORD_OP:
+
+        CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 8);
+        break;
+
+    case AML_STRING_OP:
+
+        CgLocalWriteAmlData (Op, Op->Asl.Value.String, Op->Asl.AmlLength);
+        break;
+
+    default:
+        /* All data opcodes must appear above */
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    CgWriteTableHeader
+ *
+ * PARAMETERS:  Op        - The DEFINITIONBLOCK node
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Write a table header corresponding to the DEFINITIONBLOCK
+ *
+ ******************************************************************************/
+
+void
+CgWriteTableHeader (
+    ACPI_PARSE_OBJECT           *Op)
+{
+    ACPI_PARSE_OBJECT           *Child;
+
+
+    /* AML filename */
+
+    Child = Op->Asl.Child;
+
+    /* Signature */
+
+    Child = Child->Asl.Next;
+    strncpy (TableHeader.Signature, Child->Asl.Value.String, 4);
+
+    /* Revision */
+
+    Child = Child->Asl.Next;
+    TableHeader.Revision = (UINT8) Child->Asl.Value.Integer;
+
+    /* OEMID */
+
+    Child = Child->Asl.Next;
+    strncpy (TableHeader.OemId, Child->Asl.Value.String, 6);
+
+    /* OEM TableID */
+
+    Child = Child->Asl.Next;
+    strncpy (TableHeader.OemTableId, Child->Asl.Value.String, 8);
+
+    /* OEM Revision */
+
+    Child = Child->Asl.Next;
+    TableHeader.OemRevision = (UINT32) Child->Asl.Value.Integer;
+
+    /* Compiler ID */
+
+    strncpy (TableHeader.AslCompilerId, CompilerCreatorId, 4);
+
+    /* Compiler version */
+
+    TableHeader.AslCompilerRevision = CompilerCreatorRevision;
+
+    /* Table length.  Checksum zero for now, will rewrite later */
+
+    TableHeader.Length   = Gbl_TableLength;
+    TableHeader.Checksum = 0;
+
+    CgLocalWriteAmlData (Op, &TableHeader, sizeof (ACPI_TABLE_HEADER));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    CgCloseTable
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Complete the ACPI table by calculating the checksum and
+ *              re-writing the header.
+ *
+ ******************************************************************************/
+
+void
+CgCloseTable (void)
+{
+    signed char         Sum;
+    UINT8               FileByte;
+
+
+    FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
+    Sum = 0;
+
+    /* Calculate the checksum over the entire file */
+
+    while (FlReadFile (ASL_FILE_AML_OUTPUT, &FileByte, 1) == AE_OK)
+    {
+        Sum = (signed char) (Sum + FileByte);
+    }
+
+    /* Re-write the table header with the checksum */
+
+    TableHeader.Checksum = (UINT8) (0 - Sum);
+
+    FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
+    CgLocalWriteAmlData (NULL, &TableHeader, sizeof (ACPI_TABLE_HEADER));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    CgWriteNode
+ *
+ * PARAMETERS:  Op            - Parse node to write.
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Write the AML that corresponds to a parse node.
+ *
+ ******************************************************************************/
+
+void
+CgWriteNode (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ASL_RESOURCE_NODE       *Rnode;
+
+
+    Op->Asl.FinalAmlLength = 0;
+
+    /* Always check for DEFAULT_ARG and other "Noop" nodes */
+    /* TBD: this may not be the best place for this check */
+
+    if ((Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)  ||
+        (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL)     ||
+        (Op->Asl.ParseOpcode == PARSEOP_INCLUDE)      ||
+        (Op->Asl.ParseOpcode == PARSEOP_INCLUDE_END))
+    {
+        return;
+    }
+
+    switch (Op->Asl.AmlOpcode)
+    {
+    case AML_RAW_DATA_BYTE:
+    case AML_RAW_DATA_WORD:
+    case AML_RAW_DATA_DWORD:
+    case AML_RAW_DATA_QWORD:
+
+        CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, Op->Asl.AmlLength);
+        return;
+
+
+    case AML_RAW_DATA_BUFFER:
+
+        CgLocalWriteAmlData (Op, Op->Asl.Value.Buffer, Op->Asl.AmlLength);
+        return;
+
+
+    case AML_RAW_DATA_CHAIN:
+
+        Rnode = ACPI_CAST_PTR (ASL_RESOURCE_NODE, Op->Asl.Value.Buffer);
+        while (Rnode)
+        {
+            CgLocalWriteAmlData (Op, Rnode->Buffer, Rnode->BufferLength);
+            Rnode = Rnode->Next;
+        }
+        return;
+
+    default:
+        /* Internal data opcodes must all appear above */
+        break;
+    }
+
+    switch (Op->Asl.ParseOpcode)
+    {
+    case PARSEOP_DEFAULT_ARG:
+
+        break;
+
+    case PARSEOP_DEFINITIONBLOCK:
+
+        CgWriteTableHeader (Op);
+        break;
+
+    case PARSEOP_NAMESEG:
+    case PARSEOP_NAMESTRING:
+    case PARSEOP_METHODCALL:
+
+        CgLocalWriteAmlData (Op, Op->Asl.Value.String, Op->Asl.AmlLength);
+        break;
+
+    default:
+
+        CgWriteAmlOpcode (Op);
+        break;
+    }
+}
+
+