Merge ACPICA 20100702.

1 files changed, 538 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/compiler/dtfield.c b/sys/contrib/dev/acpica/compiler/dtfield.c
new file mode 100644
index 0000000..3c5a993
--- /dev/null
+++ b/sys/contrib/dev/acpica/compiler/dtfield.c
@@ -0,0 +1,538 @@
+/******************************************************************************
+ *
+ * Module Name: dtfield.c - Code generation for individual source fields
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2010, 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 __DTFIELD_C__
+
+#include <contrib/dev/acpica/compiler/aslcompiler.h>
+#include <contrib/dev/acpica/compiler/dtcompiler.h>
+
+#define _COMPONENT          DT_COMPILER
+        ACPI_MODULE_NAME    ("dtfield")
+
+
+/* Local prototypes */
+
+static void
+DtCompileString (
+    UINT8                   *Buffer,
+    DT_FIELD                *Field,
+    UINT32                  ByteLength);
+
+static char *
+DtNormalizeBuffer (
+    char                    *Buffer,
+    UINT32                  *Count);
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtCompileOneField
+ *
+ * PARAMETERS:  Buffer              - Output buffer
+ *              Field               - Field to be compiled
+ *              ByteLength          - Byte length of the field
+ *              Type                - Field type
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Compile a field value to binary
+ *
+ *****************************************************************************/
+
+void
+DtCompileOneField (
+    UINT8                   *Buffer,
+    DT_FIELD                *Field,
+    UINT32                  ByteLength,
+    UINT8                   Type,
+    UINT8                   Flags)
+{
+
+    switch (Type)
+    {
+    case DT_FIELD_TYPE_INTEGER:
+        DtCompileInteger (Buffer, Field, ByteLength, Flags);
+        break;
+
+    case DT_FIELD_TYPE_STRING:
+        DtCompileString (Buffer, Field, ByteLength);
+        break;
+
+    case DT_FIELD_TYPE_BUFFER:
+        DtCompileBuffer (Buffer, Field->Value, Field, ByteLength);
+        break;
+
+    default:
+        DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid field type");
+        break;
+    }
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtCompileString
+ *
+ * PARAMETERS:  Buffer              - Output buffer
+ *              Field               - String to be copied to buffer
+ *              ByteLength          - Maximum length of string
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Copy string to the buffer
+ *
+ *****************************************************************************/
+
+static void
+DtCompileString (
+    UINT8                   *Buffer,
+    DT_FIELD                *Field,
+    UINT32                  ByteLength)
+{
+    UINT32                  Length;
+
+
+    Length = ACPI_STRLEN (Field->Value);
+
+    /* Check if the string is too long for the field */
+
+    if (Length > ByteLength)
+    {
+        sprintf (MsgBuffer, "Maximum %u characters", ByteLength);
+        DtError (ASL_ERROR, ASL_MSG_STRING_LENGTH, Field, MsgBuffer);
+        Length = ByteLength;
+    }
+
+    ACPI_MEMCPY (Buffer, Field->Value, Length);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtCompileInteger
+ *
+ * PARAMETERS:  Buffer              - Output buffer
+ *              Field               - Field obj with Integer to be compiled
+ *              ByteLength          - Byte length of the integer
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Compile an integer
+ *
+ *****************************************************************************/
+
+void
+DtCompileInteger (
+    UINT8                   *Buffer,
+    DT_FIELD                *Field,
+    UINT32                  ByteLength,
+    UINT8                   Flags)
+{
+    UINT64                  Value = 0;
+    UINT64                  MaxValue;
+    UINT8                   *Hex;
+    char                    *Message = NULL;
+    ACPI_STATUS             Status;
+    int                     i;
+
+
+    /* Byte length must be in range 1-8 */
+
+    if ((ByteLength > 8) || (ByteLength == 0))
+    {
+        DtFatal (ASL_MSG_COMPILER_INTERNAL, Field,
+            "Invalid internal Byte length");
+        return;
+    }
+
+    /* Convert string to an actual integer */
+
+    Status = DtStrtoul64 (Field->Value, &Value);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_LIMIT)
+        {
+            Message = "Constant larger than 64 bits";
+        }
+        else if (Status == AE_BAD_CHARACTER)
+        {
+            Message = "Invalid character in constant";
+        }
+
+        DtError (ASL_ERROR, ASL_MSG_INVALID_HEX_INTEGER, Field, Message);
+        goto Exit;
+    }
+
+    /* Ensure that reserved fields are set to zero */
+    /* TBD: should we set to zero, or just make this an ERROR? */
+    /* TBD: Probably better to use a flag */
+
+    if (!ACPI_STRCMP (Field->Name, "Reserved") &&
+        (Value != 0))
+    {
+        DtError (ASL_WARNING, ASL_MSG_RESERVED_VALUE, Field,
+            "Setting to zero");
+        Value = 0;
+    }
+
+    /* Check if the value must be non-zero */
+
+    if ((Value == 0) && (Flags & DT_NON_ZERO))
+    {
+        DtError (ASL_ERROR, ASL_MSG_ZERO_VALUE, Field, NULL);
+    }
+
+    /*
+     * Generate the maximum value for the data type (ByteLength)
+     * Note: construct chosen for maximum portability
+     */
+    MaxValue = ((UINT64) (-1)) >> (64 - (ByteLength * 8));
+
+    /* Validate that the input value is within range of the target */
+
+    if (Value > MaxValue)
+    {
+        sprintf (MsgBuffer, "Maximum %u bytes", ByteLength);
+        DtError (ASL_ERROR, ASL_MSG_INTEGER_SIZE, Field, MsgBuffer);
+    }
+
+    /*
+     * TBD: hard code for ASF! Capabilites field.
+     *
+     * This field is actually a buffer, not a 56-bit integer --
+     * so, the ordering is reversed. Something should be fixed
+     * so we don't need this code.
+     */
+    if (ByteLength == 7)
+    {
+        Hex = ACPI_CAST_PTR (UINT8, &Value);
+        for (i = 6; i >= 0; i--)
+        {
+            Buffer[i] = *Hex;
+            Hex++;
+        }
+        return;
+    }
+
+Exit:
+    ACPI_MEMCPY (Buffer, &Value, ByteLength);
+    return;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtNormalizeBuffer
+ *
+ * PARAMETERS:  Buffer              - Input buffer
+ *              Count               - Output the count of hex number in
+ *                                    the Buffer
+ *
+ * RETURN:      The normalized buffer, freed by caller
+ *
+ * DESCRIPTION: [1A,2B,3C,4D] or 1A, 2B, 3C, 4D will be normalized
+ *              to 1A 2B 3C 4D
+ *
+ *****************************************************************************/
+
+static char *
+DtNormalizeBuffer (
+    char                    *Buffer,
+    UINT32                  *Count)
+{
+    char                    *NewBuffer;
+    char                    *TmpBuffer;
+    UINT32                  BufferCount = 0;
+    BOOLEAN                 Separator = TRUE;
+    char                    c;
+
+
+    NewBuffer = UtLocalCalloc (ACPI_STRLEN (Buffer) + 1);
+    TmpBuffer = NewBuffer;
+
+    while ((c = *Buffer++))
+    {
+        switch (c)
+        {
+        /* Valid separators */
+
+        case '[':
+        case ']':
+        case ' ':
+        case ',':
+            Separator = TRUE;
+            break;
+
+        default:
+            if (Separator)
+            {
+                /* Insert blank as the standard separator */
+
+                if (NewBuffer[0])
+                {
+                    *TmpBuffer++ = ' ';
+                    BufferCount++;
+                }
+
+                Separator = FALSE;
+            }
+
+            *TmpBuffer++ = c;
+            break;
+        }
+    }
+
+    *Count = BufferCount + 1;
+    return (NewBuffer);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtCompileBuffer
+ *
+ * PARAMETERS:  Buffer              - Output buffer
+ *              StringValue         - Integer list to be compiled
+ *              Field               - Current field object
+ *              ByteLength          - Byte length of the integer list
+ *
+ * RETURN:      Count of remaining data in the input list
+ *
+ * DESCRIPTION: Compile and pack an integer list, for example
+ *              "AA 1F 20 3B" ==> Buffer[] = {0xAA,0x1F,0x20,0x3B}
+ *
+ *****************************************************************************/
+
+UINT32
+DtCompileBuffer (
+    UINT8                   *Buffer,
+    char                    *StringValue,
+    DT_FIELD                *Field,
+    UINT32                  ByteLength)
+{
+    ACPI_STATUS             Status;
+    char                    Hex[3];
+    UINT64                  Value;
+    UINT32                  i;
+    UINT32                  Count;
+
+
+    /* Allow several different types of value separators */
+
+    StringValue = DtNormalizeBuffer (StringValue, &Count);
+
+    Hex[2] = 0;
+    for (i = 0; i < Count; i++)
+    {
+        /* Each element of StringValue is three chars */
+
+        Hex[0] = StringValue[(3 * i)];
+        Hex[1] = StringValue[(3 * i) + 1];
+
+        /* Convert one hex byte */
+
+        Value = 0;
+        Status = DtStrtoul64 (Hex, &Value);
+        if (ACPI_FAILURE (Status))
+        {
+            DtError (ASL_ERROR, ASL_MSG_BUFFER_ELEMENT, Field, MsgBuffer);
+            return (ByteLength - Count);
+        }
+
+        Buffer[i] = (UINT8) Value;
+    }
+
+    ACPI_FREE (StringValue);
+    return (ByteLength - Count);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtCompileFlag
+ *
+ * PARAMETERS:  Buffer              - Output buffer
+ *              Field               - Field to be compiled
+ *              Info                - Flag info
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Compile a flag
+ *
+ *****************************************************************************/
+
+void
+DtCompileFlag (
+    UINT8                   *Buffer,
+    DT_FIELD                *Field,
+    ACPI_DMTABLE_INFO       *Info)
+{
+    UINT64                  Value = 0;
+    UINT32                  BitLength = 1;
+    UINT8                   BitPosition = 0;
+    ACPI_STATUS             Status;
+
+
+    Status = DtStrtoul64 (Field->Value, &Value);
+    if (ACPI_FAILURE (Status))
+    {
+        DtError (ASL_ERROR, ASL_MSG_INVALID_HEX_INTEGER, Field, NULL);
+    }
+
+    switch (Info->Opcode)
+    {
+    case ACPI_DMT_FLAG0:
+    case ACPI_DMT_FLAG1:
+    case ACPI_DMT_FLAG2:
+    case ACPI_DMT_FLAG3:
+    case ACPI_DMT_FLAG4:
+    case ACPI_DMT_FLAG5:
+    case ACPI_DMT_FLAG6:
+    case ACPI_DMT_FLAG7:
+
+        BitPosition = Info->Opcode;
+        BitLength = 1;
+        break;
+
+    case ACPI_DMT_FLAGS0:
+
+        BitPosition = 0;
+        BitLength = 2;
+        break;
+
+
+    case ACPI_DMT_FLAGS2:
+
+        BitPosition = 2;
+        BitLength = 2;
+        break;
+
+    default:
+
+        DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid flag opcode");
+        break;
+    }
+
+    /* Check range of the input flag value */
+
+    if (Value >= ((UINT64) 1 << BitLength))
+    {
+        sprintf (MsgBuffer, "Maximum %u bit", BitLength);
+        DtError (ASL_ERROR, ASL_MSG_FLAG_VALUE, Field, MsgBuffer);
+        Value = 0;
+    }
+
+    *Buffer |= (UINT8) (Value << BitPosition);
+}