1 files changed, 451 insertions, 0 deletions
diff --git a/source/components/utilities/utpredef.c b/source/components/utilities/utpredef.c
new file mode 100644
index 0000000..4d85497
--- /dev/null
+++ b/source/components/utilities/utpredef.c
@@ -0,0 +1,451 @@
+/******************************************************************************
+ *
+ * Module Name: utpredef - support functions for predefined names
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTPREDEF_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acpredef.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utpredef")
+
+
+/*
+ * Names for the types that can be returned by the predefined objects.
+ * Used for warning messages. Must be in the same order as the ACPI_RTYPEs
+ */
+static const char   *UtRtypeNames[] =
+{
+    "/Integer",
+    "/String",
+    "/Buffer",
+    "/Package",
+    "/Reference",
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetNextPredefinedMethod
+ *
+ * PARAMETERS:  ThisName            - Entry in the predefined method/name table
+ *
+ * RETURN:      Pointer to next entry in predefined table.
+ *
+ * DESCRIPTION: Get the next entry in the predefine method table. Handles the
+ *              cases where a package info entry follows a method name that
+ *              returns a package.
+ *
+ ******************************************************************************/
+
+const ACPI_PREDEFINED_INFO *
+AcpiUtGetNextPredefinedMethod (
+    const ACPI_PREDEFINED_INFO  *ThisName)
+{
+
+    /*
+     * Skip next entry in the table if this name returns a Package
+     * (next entry contains the package info)
+     */
+    if ((ThisName->Info.ExpectedBtypes & ACPI_RTYPE_PACKAGE) &&
+        (ThisName->Info.ExpectedBtypes != ACPI_RTYPE_ALL))
+    {
+        ThisName++;
+    }
+
+    ThisName++;
+    return (ThisName);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMatchPredefinedMethod
+ *
+ * PARAMETERS:  Name                - Name to find
+ *
+ * RETURN:      Pointer to entry in predefined table. NULL indicates not found.
+ *
+ * DESCRIPTION: Check an object name against the predefined object list.
+ *
+ ******************************************************************************/
+
+const ACPI_PREDEFINED_INFO *
+AcpiUtMatchPredefinedMethod (
+    char                        *Name)
+{
+    const ACPI_PREDEFINED_INFO  *ThisName;
+
+
+    /* Quick check for a predefined name, first character must be underscore */
+
+    if (Name[0] != '_')
+    {
+        return (NULL);
+    }
+
+    /* Search info table for a predefined method/object name */
+
+    ThisName = AcpiGbl_PredefinedMethods;
+    while (ThisName->Info.Name[0])
+    {
+        if (ACPI_COMPARE_NAME (Name, ThisName->Info.Name))
+        {
+            return (ThisName);
+        }
+
+        ThisName = AcpiUtGetNextPredefinedMethod (ThisName);
+    }
+
+    return (NULL); /* Not found */
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetExpectedReturnTypes
+ *
+ * PARAMETERS:  Buffer              - Where the formatted string is returned
+ *              ExpectedBTypes      - Bitfield of expected data types
+ *
+ * RETURN:      Formatted string in Buffer.
+ *
+ * DESCRIPTION: Format the expected object types into a printable string.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtGetExpectedReturnTypes (
+    char                    *Buffer,
+    UINT32                  ExpectedBtypes)
+{
+    UINT32                  ThisRtype;
+    UINT32                  i;
+    UINT32                  j;
+
+
+    j = 1;
+    Buffer[0] = 0;
+    ThisRtype = ACPI_RTYPE_INTEGER;
+
+    for (i = 0; i < ACPI_NUM_RTYPES; i++)
+    {
+        /* If one of the expected types, concatenate the name of this type */
+
+        if (ExpectedBtypes & ThisRtype)
+        {
+            ACPI_STRCAT (Buffer, &UtRtypeNames[i][j]);
+            j = 0;              /* Use name separator from now on */
+        }
+
+        ThisRtype <<= 1;    /* Next Rtype */
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * The remaining functions are used by iASL and AcpiHelp only
+ *
+ ******************************************************************************/
+
+#if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
+#include <stdio.h>
+#include <string.h>
+
+/* Local prototypes */
+
+static UINT32
+AcpiUtGetArgumentTypes (
+    char                    *Buffer,
+    UINT16                  ArgumentTypes);
+
+
+/* Types that can be returned externally by a predefined name */
+
+static const char   *UtExternalTypeNames[] = /* Indexed by ACPI_TYPE_* */
+{
+    ", UNSUPPORTED-TYPE",
+    ", Integer",
+    ", String",
+    ", Buffer",
+    ", Package"
+};
+
+/* Bit widths for resource descriptor predefined names */
+
+static const char   *UtResourceTypeNames[] =
+{
+    "/1",
+    "/2",
+    "/3",
+    "/8",
+    "/16",
+    "/32",
+    "/64",
+    "/variable",
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMatchResourceName
+ *
+ * PARAMETERS:  Name                - Name to find
+ *
+ * RETURN:      Pointer to entry in the resource table. NULL indicates not
+ *              found.
+ *
+ * DESCRIPTION: Check an object name against the predefined resource
+ *              descriptor object list.
+ *
+ ******************************************************************************/
+
+const ACPI_PREDEFINED_INFO *
+AcpiUtMatchResourceName (
+    char                        *Name)
+{
+    const ACPI_PREDEFINED_INFO  *ThisName;
+
+
+    /* Quick check for a predefined name, first character must be underscore */
+
+    if (Name[0] != '_')
+    {
+        return (NULL);
+    }
+
+    /* Search info table for a predefined method/object name */
+
+    ThisName = AcpiGbl_ResourceNames;
+    while (ThisName->Info.Name[0])
+    {
+        if (ACPI_COMPARE_NAME (Name, ThisName->Info.Name))
+        {
+            return (ThisName);
+        }
+
+        ThisName++;
+    }
+
+    return (NULL); /* Not found */
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDisplayPredefinedMethod
+ *
+ * PARAMETERS:  Buffer              - Scratch buffer for this function
+ *              ThisName            - Entry in the predefined method/name table
+ *              MultiLine           - TRUE if output should be on >1 line
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display information about a predefined method. Number and
+ *              type of the input arguments, and expected type(s) for the
+ *              return value, if any.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDisplayPredefinedMethod (
+    char                        *Buffer,
+    const ACPI_PREDEFINED_INFO  *ThisName,
+    BOOLEAN                     MultiLine)
+{
+    UINT32                      ArgCount;
+
+    /*
+     * Get the argument count and the string buffer
+     * containing all argument types
+     */
+    ArgCount = AcpiUtGetArgumentTypes (Buffer,
+        ThisName->Info.ArgumentList);
+
+    if (MultiLine)
+    {
+        printf ("      ");
+    }
+
+    printf ("%4.4s    Requires %s%u argument%s",
+        ThisName->Info.Name,
+        (ThisName->Info.ArgumentList & ARG_COUNT_IS_MINIMUM) ?
+            "(at least) " : "",
+        ArgCount, ArgCount != 1 ? "s" : "");
+
+    /* Display the types for any arguments */
+
+    if (ArgCount > 0)
+    {
+        printf (" (%s)", Buffer);
+    }
+
+    if (MultiLine)
+    {
+        printf ("\n    ");
+    }
+
+    /* Get the return value type(s) allowed */
+
+    if (ThisName->Info.ExpectedBtypes)
+    {
+        AcpiUtGetExpectedReturnTypes (Buffer, ThisName->Info.ExpectedBtypes);
+        printf ("  Return value types: %s\n", Buffer);
+    }
+    else
+    {
+        printf ("  No return value\n");
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetArgumentTypes
+ *
+ * PARAMETERS:  Buffer              - Where to return the formatted types
+ *              ArgumentTypes       - Types field for this method
+ *
+ * RETURN:      Count - the number of arguments required for this method
+ *
+ * DESCRIPTION: Format the required data types for this method (Integer,
+ *              String, Buffer, or Package) and return the required argument
+ *              count.
+ *
+ ******************************************************************************/
+
+static UINT32
+AcpiUtGetArgumentTypes (
+    char                    *Buffer,
+    UINT16                  ArgumentTypes)
+{
+    UINT16                  ThisArgumentType;
+    UINT16                  SubIndex;
+    UINT16                  ArgCount;
+    UINT32                  i;
+
+
+    *Buffer = 0;
+    SubIndex = 2;
+
+    /* First field in the types list is the count of args to follow */
+
+    ArgCount = (ArgumentTypes & METHOD_ARG_MASK);
+    ArgumentTypes >>= METHOD_ARG_BIT_WIDTH;
+
+    if (ArgCount > METHOD_PREDEF_ARGS_MAX)
+    {
+        printf ("**** Invalid argument count (%u) "
+            "in predefined info structure\n", ArgCount);
+        return (ArgCount);
+    }
+
+    /* Get each argument from the list, convert to ascii, store to buffer */
+
+    for (i = 0; i < ArgCount; i++)
+    {
+        ThisArgumentType = (ArgumentTypes & METHOD_ARG_MASK);
+        if (!ThisArgumentType || (ThisArgumentType > METHOD_MAX_ARG_TYPE))
+        {
+            printf ("**** Invalid argument type (%u) "
+                "in predefined info structure\n", ThisArgumentType);
+            return (ArgCount);
+        }
+
+        strcat (Buffer, UtExternalTypeNames[ThisArgumentType] + SubIndex);
+
+        /* Shift to next argument type field */
+
+        ArgumentTypes >>= METHOD_ARG_BIT_WIDTH;
+        SubIndex = 0;
+    }
+
+    return (ArgCount);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetResourceBitWidth
+ *
+ * PARAMETERS:  Buffer              - Where the formatted string is returned
+ *              Types               - Bitfield of expected data types
+ *
+ * RETURN:      Count of return types. Formatted string in Buffer.
+ *
+ * DESCRIPTION: Format the resource bit widths into a printable string.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtGetResourceBitWidth (
+    char                    *Buffer,
+    UINT16                  Types)
+{
+    UINT32                  i;
+    UINT16                  SubIndex;
+    UINT32                  Found;
+
+
+    *Buffer = 0;
+    SubIndex = 1;
+    Found = 0;
+
+    for (i = 0; i < NUM_RESOURCE_WIDTHS; i++)
+    {
+        if (Types & 1)
+        {
+            strcat (Buffer, &(UtResourceTypeNames[i][SubIndex]));
+            SubIndex = 0;
+            Found++;
+        }
+
+        Types >>= 1;
+    }
+
+    return (Found);
+}
+#endif