ACK: [PATCH] ACPICA: Update to version 20160212 (LP: #1545099)

ivanhu ivan.hu at canonical.com
Tue Feb 16 03:07:02 UTC 2016



On 2016年02月13日 02:15, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> Changes in this release of ACPICA are detailed at the following
> link on the ACPICA developer mailing list:
>
> https://lists.acpica.org/pipermail/devel/2016-February/000870.html
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>   src/acpica/fwts_acpica.c                           |   2 -
>   src/acpica/source/common/adwalk.c                  |  23 +-
>   src/acpica/source/common/ahids.c                   |   5 +
>   src/acpica/source/common/ahpredef.c                |   5 +-
>   src/acpica/source/common/dmextern.c                | 204 ++---
>   src/acpica/source/common/dmtable.c                 |   1 +
>   src/acpica/source/common/dmtables.c                |   5 +
>   src/acpica/source/common/dmtbdump.c                |   6 +
>   src/acpica/source/common/dmtbinfo.c                |  22 +
>   src/acpica/source/compiler/Makefile.am             |   5 +-
>   src/acpica/source/compiler/aslanalyze.c            |   6 +
>   src/acpica/source/compiler/aslbtypes.c             |  19 +-
>   src/acpica/source/compiler/aslcodegen.c            |  67 +-
>   src/acpica/source/compiler/aslcompile.c            |  74 +-
>   src/acpica/source/compiler/aslcompiler.h           |  76 +-
>   src/acpica/source/compiler/aslcompiler.y           |   1 -
>   src/acpica/source/compiler/asldebug.c              | 325 ++++++++
>   src/acpica/source/compiler/asldefine.h             |  35 +-
>   src/acpica/source/compiler/aslexternal.c           | 563 +++++++++++++
>   src/acpica/source/compiler/aslfiles.c              |  18 +
>   src/acpica/source/compiler/aslglobal.h             |  12 +-
>   src/acpica/source/compiler/asllength.c             |   1 -
>   src/acpica/source/compiler/asllisting.c            |  95 ++-
>   src/acpica/source/compiler/aslload.c               |   2 -
>   src/acpica/source/compiler/aslmain.c               |  39 +-
>   src/acpica/source/compiler/aslmap.c                |  32 +-
>   src/acpica/source/compiler/aslmapoutput.c          |   2 +-
>   src/acpica/source/compiler/aslmethod.c             |  11 +-
>   src/acpica/source/compiler/aslopcodes.c            |   6 -
>   src/acpica/source/compiler/asloperands.c           |  10 +-
>   src/acpica/source/compiler/aslprune.c              |   2 +-
>   src/acpica/source/compiler/aslrestype2s.c          |  35 -
>   src/acpica/source/compiler/aslrules.y              |   1 -
>   src/acpica/source/compiler/aslstubs.c              |   7 +
>   src/acpica/source/compiler/asltransform.c          |  45 +-
>   src/acpica/source/compiler/asltree.c               |   6 +-
>   src/acpica/source/compiler/asltypes.h              |  24 +-
>   src/acpica/source/compiler/aslutils.c              | 343 ++------
>   src/acpica/source/compiler/aslwalks.c              |  13 +-
>   src/acpica/source/compiler/aslxref.c               |   9 +-
>   src/acpica/source/compiler/aslxrefout.c            | 882 +++++++++++++++++++++
>   src/acpica/source/compiler/dtparser.y              |   8 +-
>   src/acpica/source/compiler/prparser.y              |   4 +-
>   src/acpica/source/compiler/prscan.c                |  10 +-
>   src/acpica/source/components/debugger/dbcmds.c     |   2 +-
>   src/acpica/source/components/debugger/dbconvert.c  |   5 +-
>   .../source/components/disassembler/dmopcode.c      |   4 +
>   src/acpica/source/components/disassembler/dmwalk.c |  33 +-
>   src/acpica/source/components/dispatcher/dsmethod.c |   2 +-
>   src/acpica/source/components/dispatcher/dsobject.c |   2 +-
>   src/acpica/source/components/events/evgpeblk.c     |   2 +-
>   src/acpica/source/components/events/evgpeinit.c    |   2 +-
>   src/acpica/source/components/events/evregion.c     |   3 +-
>   src/acpica/source/components/executer/exconfig.c   |   4 +-
>   src/acpica/source/components/executer/exoparg3.c   |   4 +-
>   src/acpica/source/components/hardware/hwxfsleep.c  |   4 +-
>   src/acpica/source/components/namespace/nseval.c    |   2 +-
>   src/acpica/source/components/namespace/nsinit.c    | 137 ++--
>   src/acpica/source/components/parser/psargs.c       |   8 +-
>   src/acpica/source/components/tables/tbinstal.c     |   4 +-
>   src/acpica/source/components/tables/tbprint.c      |   6 +-
>   src/acpica/source/components/tables/tbutils.c      |   2 +-
>   src/acpica/source/components/tables/tbxfload.c     |  27 +-
>   src/acpica/source/components/utilities/utcache.c   |   2 +-
>   src/acpica/source/components/utilities/utdecode.c  |  29 +-
>   src/acpica/source/components/utilities/utnonansi.c | 305 +++++--
>   src/acpica/source/components/utilities/uttrack.c   |   2 +-
>   src/acpica/source/components/utilities/utxferror.c |   2 -
>   src/acpica/source/components/utilities/utxfinit.c  |  72 +-
>   src/acpica/source/include/acdisasm.h               |   1 +
>   src/acpica/source/include/acglobal.h               |   4 +-
>   src/acpica/source/include/aclocal.h                |   6 +-
>   src/acpica/source/include/acnamesp.h               |   2 +-
>   src/acpica/source/include/acoutput.h               |   2 +-
>   src/acpica/source/include/acpixf.h                 |  10 +-
>   src/acpica/source/include/acpredef.h               |  13 +-
>   src/acpica/source/include/actbl.h                  |   2 +-
>   src/acpica/source/include/actbl1.h                 |  32 +-
>   src/acpica/source/include/actypes.h                |   3 +-
>   79 files changed, 2960 insertions(+), 841 deletions(-)
>   create mode 100644 src/acpica/source/compiler/asldebug.c
>   create mode 100644 src/acpica/source/compiler/aslexternal.c
>   create mode 100644 src/acpica/source/compiler/aslxrefout.c
>
> diff --git a/src/acpica/fwts_acpica.c b/src/acpica/fwts_acpica.c
> index 88f83a6..77a96ca 100644
> --- a/src/acpica/fwts_acpica.c
> +++ b/src/acpica/fwts_acpica.c
> @@ -1099,8 +1099,6 @@ int fwts_acpica_init(fwts_framework *fw)
>   		fwts_acpica_RSDP = NULL;
>   	}
>
> -	AcpiGbl_OverrideDefaultRegionHandlers = TRUE;
> -
>   	if (ACPI_FAILURE(AcpiInitializeSubsystem())) {
>   		fwts_log_error(fw, "Failed to initialise ACPICA subsystem.");
>   		goto failed;
> diff --git a/src/acpica/source/common/adwalk.c b/src/acpica/source/common/adwalk.c
> index c2d218a..8bc07ee 100644
> --- a/src/acpica/source/common/adwalk.c
> +++ b/src/acpica/source/common/adwalk.c
> @@ -832,6 +832,7 @@ AcpiDmXrefDescendingOp (
>       ACPI_OPERAND_OBJECT     *Object;
>       UINT32                  ParamCount = 0;
>       char                    *Pathname;
> +    UINT16                  Flags = 0;
>
>
>       WalkState = Info->WalkState;
> @@ -846,7 +847,24 @@ AcpiDmXrefDescendingOp (
>       {
>           goto Exit;
>       }
> +    else if (Op->Common.Parent &&
> +             Op->Common.Parent->Common.AmlOpcode == AML_EXTERNAL_OP)
> +    {
> +        /* External() NamePath */
> +
> +        Path = Op->Common.Value.String;
> +        ObjectType = (ACPI_OBJECT_TYPE) Op->Common.Next->Common.Value.Integer;
> +        if (ObjectType == ACPI_TYPE_METHOD)
> +        {
> +            ParamCount = (UINT32)
> +                Op->Common.Next->Common.Next->Common.Value.Integer;
> +        }
> +
> +        AcpiDmAddOpToExternalList (Op, Path,
> +            (UINT8) ObjectType, ParamCount, Flags);
>
> +        goto Exit;
> +    }
>
>       /* Get the NamePath from the appropriate place */
>
> @@ -914,6 +932,7 @@ AcpiDmXrefDescendingOp (
>           /* Node was created by an External() statement */
>
>           Status = AE_NOT_FOUND;
> +        Flags = ACPI_EXT_RESOLVED_REFERENCE;
>       }
>
>       if (ACPI_FAILURE (Status))
> @@ -933,12 +952,12 @@ AcpiDmXrefDescendingOp (
>                   if (Node)
>                   {
>                       AcpiDmAddNodeToExternalList (Node,
> -                        (UINT8) ObjectType, 0, 0);
> +                        (UINT8) ObjectType, 0, Flags);
>                   }
>                   else
>                   {
>                       AcpiDmAddOpToExternalList (Op, Path,
> -                        (UINT8) ObjectType, 0, 0);
> +                        (UINT8) ObjectType, 0, Flags);
>                   }
>               }
>           }
> diff --git a/src/acpica/source/common/ahids.c b/src/acpica/source/common/ahids.c
> index 7cd9c2c..d0e5916 100644
> --- a/src/acpica/source/common/ahids.c
> +++ b/src/acpica/source/common/ahids.c
> @@ -147,6 +147,10 @@ const AH_DEVICE_ID  AslDeviceIds[] =
>       {"ACPI000D",    "Power Meter Device"},
>       {"ACPI000E",    "Time and Alarm Device"},
>       {"ACPI000F",    "User Presence Detection Device"},
> +    {"ACPI0010",    "Processor Container Device"},
> +    {"ACPI0011",    "Generic Buttons Device"},
> +    {"ACPI0012",    "NVDIMM Root Device"},
> +    {"ACPI0013",    "Generic Event Device"},
>       {"ADMA0F28",    "Intel Audio DMA"},
>       {"AMCR0F28",    "Intel Audio Machine Driver"},
>       {"ATK4001",     "Asus Radio Control Button"},
> @@ -257,6 +261,7 @@ const AH_DEVICE_ID  AslDeviceIds[] =
>       {"PNP0C12",     "Device Bay Controller"},
>       {"PNP0C14",     "Windows Management Instrumentation Device"},
>       {"PNP0C15",     "Docking Station"},
> +    {"PNP0C33",     "Error Device"},
>       {"PNP0C40",     "Standard Button Controller"},
>       {"PNP0C50",     "HID Protocol Device (I2C bus)"},
>       {"PNP0C60",     "Display Sensor Device"},
> diff --git a/src/acpica/source/common/ahpredef.c b/src/acpica/source/common/ahpredef.c
> index 4bef8e9..1c81444 100644
> --- a/src/acpica/source/common/ahpredef.c
> +++ b/src/acpica/source/common/ahpredef.c
> @@ -212,6 +212,7 @@ const AH_PREDEFINED_NAME    AslPredefinedInfo[] =
>       AH_PREDEF ("_FDI",    "Floppy Drive Information", "Returns a floppy drive information block"),
>       AH_PREDEF ("_FDM",    "Floppy Drive Mode", "Sets a floppy drive speed"),
>       AH_PREDEF ("_FIF",    "Fan Information", "Returns fan device information"),
> +    AH_PREDEF ("_FIT",    "Firmware Interface Table", "Returns a list of NFIT structures"),
>       AH_PREDEF ("_FIX",    "Fixed Register Resource Provider", "Returns a list of devices that implement FADT register blocks"),
>       AH_PREDEF ("_FLC",    "Flow Control", "Flow control, Resource Descriptor field"),
>       AH_PREDEF ("_FPS",    "Fan Performance States", "Returns a list of supported fan performance states"),
> @@ -404,8 +405,10 @@ const AH_PREDEFINED_NAME    AslPredefinedInfo[] =
>       AH_PREDEF ("_UPP",    "User Presence Polling", "Returns the recommended user presence polling interval"),
>       AH_PREDEF ("_VEN",    "Vendor Data", "Resource Descriptor field"),
>       AH_PREDEF ("_VPO",    "Video Post Options", "Returns the implemented video post options"),
> -    AH_PREDEF ("_WAK",    "Wake", "Inform AML that the system has just awakened"),
>       AH_PREDEF ("_Wxx",    "Wake Event", "Method executed as a result of a wake event"),
> +    AH_PREDEF ("_WAK",    "Wake", "Inform AML that the system has just awakened"),
> +    AH_PREDEF ("_WPC",    "Wireless Power Calibration", "Calibrate power and notify wireless device"),
> +    AH_PREDEF ("_WPP",    "Wireless Power Polling", "Get recommended polling interval"),
>       AH_PREDEF (NULL,      NULL, NULL)
>   };
>
> diff --git a/src/acpica/source/common/dmextern.c b/src/acpica/source/common/dmextern.c
> index 229397f..397fe2b 100644
> --- a/src/acpica/source/common/dmextern.c
> +++ b/src/acpica/source/common/dmextern.c
> @@ -826,6 +826,46 @@ AcpiDmAddPathToExternalList (
>
>   /*******************************************************************************
>    *
> + * FUNCTION:    AcpiDmEternalIsMatch
> + *
> + * PARAMETERS:  NamePath            - Path to match to External Name
> + *              ExternalPath        - External NamePath to be matched
> + *
> + * RETURN:      BOOLEAN
> + *
> + * DESCRIPTION: Returns TRUE if NamePath matches the last NamePath-length
> + *              characters of ExternalPath.
> + *
> + *              External (_SB_.DEV0.ABCD) will match:
> + *                  _SB_.DEV0.ABCD
> + *                  DEV0.ABCD
> + *                  ABCD
> + *
> + ******************************************************************************/
> +
> +static BOOLEAN
> +AcpiDmExternalIsMatch (
> +    const char *            NamePath,
> +    const char *            ListNamePath)
> +{
> +    BOOLEAN                 Match = FALSE;
> +
> +
> +    if (strlen (ListNamePath) >= strlen (NamePath))
> +    {
> +        if (!strcmp (ListNamePath +
> +            (strlen (ListNamePath) - strlen (NamePath)), NamePath))
> +        {
> +            return (TRUE);
> +        }
> +    }
> +
> +    return (Match);
> +}
> +
> +
> +/*******************************************************************************
> + *
>    * FUNCTION:    AcpiDmCreateNewExternal
>    *
>    * PARAMETERS:  ExternalPath        - External path to the object
> @@ -880,11 +920,14 @@ AcpiDmCreateNewExternal (
>       NextExternal = AcpiGbl_ExternalList;
>       while (NextExternal)
>       {
> -        if (!strcmp (ExternalPath, NextExternal->Path))
> +        /* Check for duplicates */
> +
> +        if (AcpiDmExternalIsMatch (ExternalPath, NextExternal->Path))
>           {
>               /* Duplicate method, check that the Value (ArgCount) is the same */
>
>               if ((NextExternal->Type == ACPI_TYPE_METHOD) &&
> +                (NextExternal->Flags & ANOBJ_IS_EXTERNAL) &&
>                   (NextExternal->Value != Value) &&
>                   (Value > 0))
>               {
> @@ -902,6 +945,11 @@ AcpiDmCreateNewExternal (
>                   NextExternal->Value = Value;
>               }
>
> +            /* Update flags. */
> +
> +            NextExternal->Flags |= Flags;
> +            NextExternal->Flags &= ~ACPI_EXT_INTERNAL_PATH_ALLOCATED;
> +
>               return_ACPI_STATUS (AE_ALREADY_EXISTS);
>           }
>
> @@ -1338,76 +1386,85 @@ appearing in an SSDT, the disassembler does not know what to do unless
>   the owning SSDT has been loaded via the -e option.
>   #endif
>
> +static char             ExternalWarningPart1[600];
> +static char             ExternalWarningPart2[400];
> +static char             ExternalWarningPart3[400];
> +static char             ExternalWarningPart4[200];
> +
>   void
>   AcpiDmUnresolvedWarning (
>       UINT8                   Type)
>   {
> +    char                    *Format;
> +    char                    Pad[] = "     *";
> +    char                    NoPad[] = "";
> +
>
>       if (!AcpiGbl_NumExternalMethods)
>       {
>           return;
>       }
>
> +    if (AcpiGbl_NumExternalMethods == AcpiGbl_ResolvedExternalMethods)
> +    {
> +        return;
> +    }
> +
> +    Format = Type ? Pad : NoPad;
> +
> +    sprintf (ExternalWarningPart1,
> +        "%s iASL Warning: There were %u external control methods found during\n"
> +        "%s disassembly, but only %u %s resolved (%u unresolved). Additional\n"
> +        "%s ACPI tables may be required to properly disassemble the code. This\n"
> +        "%s resulting disassembler output file may not compile because the\n"
> +        "%s disassembler did not know how many arguments to assign to the\n"
> +        "%s unresolved methods. Note: SSDTs can be dynamically loaded at\n"
> +        "%s runtime and may or may not be available via the host OS.\n",
> +        Format, AcpiGbl_NumExternalMethods, Format, AcpiGbl_ResolvedExternalMethods,
> +        (AcpiGbl_ResolvedExternalMethods > 1 ? "were" : "was"),
> +        (AcpiGbl_NumExternalMethods - AcpiGbl_ResolvedExternalMethods),
> +        Format, Format, Format, Format, Format);
> +
> +    sprintf (ExternalWarningPart2,
> +        "%s To specify the tables needed to resolve external control method\n"
> +        "%s references, the -e option can be used to specify the filenames.\n"
> +        "%s Example iASL invocations:\n"
> +        "%s     iasl -e ssdt1.aml ssdt2.aml ssdt3.aml -d dsdt.aml\n"
> +        "%s     iasl -e dsdt.aml ssdt2.aml -d ssdt1.aml\n"
> +        "%s     iasl -e ssdt*.aml -d dsdt.aml\n",
> +        Format, Format, Format, Format, Format, Format);
> +
> +    sprintf (ExternalWarningPart3,
> +        "%s In addition, the -fe option can be used to specify a file containing\n"
> +        "%s control method external declarations with the associated method\n"
> +        "%s argument counts. Each line of the file must be of the form:\n"
> +        "%s     External (<method pathname>, MethodObj, <argument count>)\n"
> +        "%s Invocation:\n"
> +        "%s     iasl -fe refs.txt -d dsdt.aml\n",
> +        Format, Format, Format, Format, Format, Format);
> +
> +    sprintf (ExternalWarningPart4,
> +        "%s The following methods were unresolved and many not compile properly\n"
> +        "%s because the disassembler had to guess at the number of arguments\n"
> +        "%s required for each:\n",
> +        Format, Format, Format);
> +
>       if (Type)
>       {
>           if (!AcpiGbl_ExternalFileList)
>           {
>               /* The -e option was not specified */
>
> -           AcpiOsPrintf ("    /*\n"
> -                "     * iASL Warning: There were %u external control methods found during\n"
> -                "     * disassembly, but additional ACPI tables to resolve these externals\n"
> -                "     * were not specified. This resulting disassembler output file may not\n"
> -                "     * compile because the disassembler did not know how many arguments\n"
> -                "     * to assign to these methods. To specify the tables needed to resolve\n"
> -                "     * external control method references, the -e option can be used to\n"
> -                "     * specify the filenames. Note: SSDTs can be dynamically loaded at\n"
> -                "     * runtime and may or may not be available via the host OS.\n"
> -                "     * Example iASL invocations:\n"
> -                "     *     iasl -e ssdt1.aml ssdt2.aml ssdt3.aml -d dsdt.aml\n"
> -                "     *     iasl -e dsdt.aml ssdt2.aml -d ssdt1.aml\n"
> -                "     *     iasl -e ssdt*.aml -d dsdt.aml\n"
> -                "     *\n"
> -                "     * In addition, the -fe option can be used to specify a file containing\n"
> -                "     * control method external declarations with the associated method\n"
> -                "     * argument counts. Each line of the file must be of the form:\n"
> -                "     *     External (<method pathname>, MethodObj, <argument count>)\n"
> -                "     * Invocation:\n"
> -                "     *     iasl -fe refs.txt -d dsdt.aml\n"
> -                "     *\n"
> -                "     * The following methods were unresolved and many not compile properly\n"
> -                "     * because the disassembler had to guess at the number of arguments\n"
> -                "     * required for each:\n"
> -                "     */\n",
> -               AcpiGbl_NumExternalMethods);
> +           AcpiOsPrintf ("    /*\n%s     *\n%s     *\n%s     *\n%s     */\n",
> +               ExternalWarningPart1, ExternalWarningPart2, ExternalWarningPart3,
> +               ExternalWarningPart4);
>           }
> -        else if (AcpiGbl_NumExternalMethods != AcpiGbl_ResolvedExternalMethods)
> +        else
>           {
>               /* The -e option was specified, but there are still some unresolved externals */
>
> -            AcpiOsPrintf ("    /*\n"
> -                "     * iASL Warning: There were %u external control methods found during\n"
> -                "     * disassembly, but only %u %s resolved (%u unresolved). Additional\n"
> -                "     * ACPI tables may be required to properly disassemble the code. This\n"
> -                "     * resulting disassembler output file may not compile because the\n"
> -                "     * disassembler did not know how many arguments to assign to the\n"
> -                "     * unresolved methods. Note: SSDTs can be dynamically loaded at\n"
> -                "     * runtime and may or may not be available via the host OS.\n"
> -                "     *\n"
> -                "     * If necessary, the -fe option can be used to specify a file containing\n"
> -                "     * control method external declarations with the associated method\n"
> -                "     * argument counts. Each line of the file must be of the form:\n"
> -                "     *     External (<method pathname>, MethodObj, <argument count>)\n"
> -                "     * Invocation:\n"
> -                "     *     iasl -fe refs.txt -d dsdt.aml\n"
> -                "     *\n"
> -                "     * The following methods were unresolved and many not compile properly\n"
> -                "     * because the disassembler had to guess at the number of arguments\n"
> -                "     * required for each:\n"
> -                "     */\n",
> -                AcpiGbl_NumExternalMethods, AcpiGbl_ResolvedExternalMethods,
> -                (AcpiGbl_ResolvedExternalMethods > 1 ? "were" : "was"),
> -                (AcpiGbl_NumExternalMethods - AcpiGbl_ResolvedExternalMethods));
> +            AcpiOsPrintf ("    /*\n%s     *\n     *\n     */\n",
> +               ExternalWarningPart1, ExternalWarningPart3, ExternalWarningPart4);
>           }
>       }
>       else
> @@ -1416,50 +1473,15 @@ AcpiDmUnresolvedWarning (
>           {
>               /* The -e option was not specified */
>
> -            fprintf (stderr, "\n"
> -                "iASL Warning: There were %u external control methods found during\n"
> -                "disassembly, but additional ACPI tables to resolve these externals\n"
> -                "were not specified. The resulting disassembler output file may not\n"
> -                "compile because the disassembler did not know how many arguments\n"
> -                "to assign to these methods. To specify the tables needed to resolve\n"
> -                "external control method references, the -e option can be used to\n"
> -                "specify the filenames. Note: SSDTs can be dynamically loaded at\n"
> -                "runtime and may or may not be available via the host OS.\n"
> -                "Example iASL invocations:\n"
> -                "    iasl -e ssdt1.aml ssdt2.aml ssdt3.aml -d dsdt.aml\n"
> -                "    iasl -e dsdt.aml ssdt2.aml -d ssdt1.aml\n"
> -                "    iasl -e ssdt*.aml -d dsdt.aml\n"
> -                "\n"
> -                "In addition, the -fe option can be used to specify a file containing\n"
> -                "control method external declarations with the associated method\n"
> -                "argument counts. Each line of the file must be of the form:\n"
> -                "    External (<method pathname>, MethodObj, <argument count>)\n"
> -                "Invocation:\n"
> -                "    iasl -fe refs.txt -d dsdt.aml\n",
> -                AcpiGbl_NumExternalMethods);
> +            fprintf (stderr, "\n%s\n%s\n%s\n",
> +               ExternalWarningPart1, ExternalWarningPart2, ExternalWarningPart3);
>           }
> -        else if (AcpiGbl_NumExternalMethods != AcpiGbl_ResolvedExternalMethods)
> +        else
>           {
>               /* The -e option was specified, but there are still some unresolved externals */
>
> -            fprintf (stderr, "\n"
> -                "iASL Warning: There were %u external control methods found during\n"
> -                "disassembly, but only %u %s resolved (%u unresolved). Additional\n"
> -                "ACPI tables may be required to properly disassemble the code. The\n"
> -                "resulting disassembler output file may not compile because the\n"
> -                "disassembler did not know how many arguments to assign to the\n"
> -                "unresolved methods. Note: SSDTs can be dynamically loaded at\n"
> -                "runtime and may or may not be available via the host OS.\n"
> -                "\n"
> -                "If necessary, the -fe option can be used to specify a file containing\n"
> -                "control method external declarations with the associated method\n"
> -                "argument counts. Each line of the file must be of the form:\n"
> -                "    External (<method pathname>, MethodObj, <argument count>)\n"
> -                "Invocation:\n"
> -                "    iasl -fe refs.txt -d dsdt.aml\n",
> -                AcpiGbl_NumExternalMethods, AcpiGbl_ResolvedExternalMethods,
> -                (AcpiGbl_ResolvedExternalMethods > 1 ? "were" : "was"),
> -                (AcpiGbl_NumExternalMethods - AcpiGbl_ResolvedExternalMethods));
> +            fprintf (stderr, "\n%s\n%s\n",
> +               ExternalWarningPart1, ExternalWarningPart3);
>           }
>       }
>   }
> diff --git a/src/acpica/source/common/dmtable.c b/src/acpica/source/common/dmtable.c
> index 5cd1247..a62c48d 100644
> --- a/src/acpica/source/common/dmtable.c
> +++ b/src/acpica/source/common/dmtable.c
> @@ -268,6 +268,7 @@ static const char           *AcpiDmHestSubnames[] =
>       "PCI Express AER (AER Endpoint)",
>       "PCI Express/PCI-X Bridge AER",
>       "Generic Hardware Error Source",
> +    "Generic Hardware Error Source V2",
>       "Unknown Subtable Type"         /* Reserved */
>   };
>
> diff --git a/src/acpica/source/common/dmtables.c b/src/acpica/source/common/dmtables.c
> index da66043..6894d9f 100644
> --- a/src/acpica/source/common/dmtables.c
> +++ b/src/acpica/source/common/dmtables.c
> @@ -217,6 +217,11 @@ AdCreateTableHeader (
>       UINT8                   Checksum;
>
>
> +    /* Reset globals for External statements */
> +
> +    AcpiGbl_NumExternalMethods = 0;
> +    AcpiGbl_ResolvedExternalMethods = 0;
> +
>       /*
>        * Print file header and dump original table header
>        */
> diff --git a/src/acpica/source/common/dmtbdump.c b/src/acpica/source/common/dmtbdump.c
> index 409d4f6..a3f67c9 100644
> --- a/src/acpica/source/common/dmtbdump.c
> +++ b/src/acpica/source/common/dmtbdump.c
> @@ -1688,6 +1688,12 @@ AcpiDmDumpHest (
>               SubTableLength = sizeof (ACPI_HEST_GENERIC);
>               break;
>
> +        case ACPI_HEST_TYPE_GENERIC_ERROR_V2:
> +
> +            InfoTable = AcpiDmTableInfoHest10;
> +            SubTableLength = sizeof (ACPI_HEST_GENERIC_V2);
> +            break;
> +
>           default:
>
>               /* Cannot continue on unknown type - no length */
> diff --git a/src/acpica/source/common/dmtbinfo.c b/src/acpica/source/common/dmtbinfo.c
> index 1e749b0..bb2cdbf 100644
> --- a/src/acpica/source/common/dmtbinfo.c
> +++ b/src/acpica/source/common/dmtbinfo.c
> @@ -235,6 +235,7 @@
>   #define ACPI_HEST7_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_HEST_AER,f)
>   #define ACPI_HEST8_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_HEST_AER_BRIDGE,f)
>   #define ACPI_HEST9_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_HEST_GENERIC,f)
> +#define ACPI_HEST10_OFFSET(f)           (UINT16) ACPI_OFFSET (ACPI_HEST_GENERIC_V2,f)
>   #define ACPI_HESTN_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_HEST_NOTIFY,f)
>   #define ACPI_HESTB_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_HEST_IA_ERROR_BANK,f)
>   #define ACPI_IORT0_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_IORT_ITS_GROUP,f)
> @@ -1414,6 +1415,26 @@ ACPI_DMTABLE_INFO           AcpiDmTableInfoHest9[] =
>       ACPI_DMT_TERMINATOR
>   };
>
> +/* 10: Generic Hardware Error Source - Version 2 */
> +
> +ACPI_DMTABLE_INFO           AcpiDmTableInfoHest10[] =
> +{
> +    ACPI_DM_HEST_HEADER,
> +    {ACPI_DMT_UINT16,   ACPI_HEST10_OFFSET (RelatedSourceId),       "Related Source Id", 0},
> +    {ACPI_DMT_UINT8,    ACPI_HEST10_OFFSET (Reserved),              "Reserved", 0},
> +    {ACPI_DMT_UINT8,    ACPI_HEST10_OFFSET (Enabled),               "Enabled", 0},
> +    {ACPI_DMT_UINT32,   ACPI_HEST10_OFFSET (RecordsToPreallocate),  "Records To Preallocate", 0},
> +    {ACPI_DMT_UINT32,   ACPI_HEST10_OFFSET (MaxSectionsPerRecord),  "Max Sections Per Record", 0},
> +    {ACPI_DMT_UINT32,   ACPI_HEST10_OFFSET (MaxRawDataLength),      "Max Raw Data Length", 0},
> +    {ACPI_DMT_GAS,      ACPI_HEST10_OFFSET (ErrorStatusAddress),    "Error Status Address", 0},
> +    {ACPI_DMT_HESTNTFY, ACPI_HEST10_OFFSET (Notify),                "Notify", 0},
> +    {ACPI_DMT_UINT32,   ACPI_HEST10_OFFSET (ErrorBlockLength),      "Error Status Block Length", 0},
> +    {ACPI_DMT_GAS,      ACPI_HEST10_OFFSET (ReadAckRegister),       "Read Ack Register", 0},
> +    {ACPI_DMT_UINT64,   ACPI_HEST10_OFFSET (ReadAckPreserve),       "Read Ack Preserve", 0},
> +    {ACPI_DMT_UINT64,   ACPI_HEST10_OFFSET (ReadAckWrite),          "Read Ack Write", 0},
> +    ACPI_DMT_TERMINATOR
> +};
> +
>   ACPI_DMTABLE_INFO           AcpiDmTableInfoHestNotify[] =
>   {
>       {ACPI_DMT_HESTNTYP, ACPI_HESTN_OFFSET (Type),                   "Notify Type", 0},
> @@ -2213,6 +2234,7 @@ ACPI_DMTABLE_INFO           AcpiDmTableInfoNfit1[] =
>       {ACPI_DMT_FLAG3,    ACPI_NFIT1_FLAG_OFFSET (Flags,0),           "Device not armed", 0},
>       {ACPI_DMT_FLAG4,    ACPI_NFIT1_FLAG_OFFSET (Flags,0),           "Health events observed", 0},
>       {ACPI_DMT_FLAG5,    ACPI_NFIT1_FLAG_OFFSET (Flags,0),           "Health events enabled", 0},
> +    {ACPI_DMT_FLAG6,    ACPI_NFIT1_FLAG_OFFSET (Flags,0),           "Mapping failed", 0},
>       {ACPI_DMT_UINT16,   ACPI_NFIT1_OFFSET (Reserved),               "Reserved", 0},
>       ACPI_DMT_TERMINATOR
>   };
> diff --git a/src/acpica/source/compiler/Makefile.am b/src/acpica/source/compiler/Makefile.am
> index 26968d2..9dc9539 100644
> --- a/src/acpica/source/compiler/Makefile.am
> +++ b/src/acpica/source/compiler/Makefile.am
> @@ -58,13 +58,15 @@ CLEANFILES = y.output y.tab.c y.tab.h aslcompiler.y.h $(BUILT_SOURCES)
>   libfwtsiasl_la_CPPFLAGS = $(AM_CPPFLAGS)
>   libfwtsiasl_la_SOURCES = 			\
>   	fwts_iasl_interface.c 			\
> +	aslanalyze.c 				\
>   	aslascii.c				\
>   	aslcompile.c 				\
>   	aslcompilerlex.c 			\
>   	aslcompiler.c 				\
> -	aslanalyze.c 				\
>   	aslcodegen.c 				\
> +	asldebug.c				\
>   	aslerror.c 				\
> +	aslexternal.c				\
>   	aslfiles.c 				\
>   	aslfold.c 				\
>   	asllength.c 				\
> @@ -102,6 +104,7 @@ libfwtsiasl_la_SOURCES = 			\
>   	asllistsup.c 				\
>   	asloffset.c 				\
>   	aslxref.c 				\
> +	aslxrefout.c				\
>   	aslprepkg.c 				\
>   	aslprintf.c				\
>   	aslprune.c				\
> diff --git a/src/acpica/source/compiler/aslanalyze.c b/src/acpica/source/compiler/aslanalyze.c
> index 3d49f21..bcbdc55 100644
> --- a/src/acpica/source/compiler/aslanalyze.c
> +++ b/src/acpica/source/compiler/aslanalyze.c
> @@ -380,6 +380,12 @@ AnCheckMethodReturnValue (
>
>       Node = ArgOp->Asl.Node;
>
> +    if (!Node)
> +    {
> +        /* No error message, this can happen and is OK */
> +
> +        return;
> +    }
>
>       /* Examine the parent op of this method */
>
> diff --git a/src/acpica/source/compiler/aslbtypes.c b/src/acpica/source/compiler/aslbtypes.c
> index d472df7..cad5b66 100644
> --- a/src/acpica/source/compiler/aslbtypes.c
> +++ b/src/acpica/source/compiler/aslbtypes.c
> @@ -480,12 +480,25 @@ AnGetBtype (
>           Node = Op->Asl.Node;
>           if (!Node)
>           {
> +            /* These are not expected to have a node at this time */
> +
> +            if ((Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEWORDFIELD) ||
> +                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEDWORDFIELD) ||
> +                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEQWORDFIELD) ||
> +                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBYTEFIELD) ||
> +                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBITFIELD) ||
> +                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEFIELD)    ||
> +                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CONDREFOF))
> +            {
> +                return (ACPI_UINT32_MAX - 1);
> +            }
> +
>               DbgPrint (ASL_DEBUG_OUTPUT,
>                   "No attached Nsnode: [%s] at line %u name [%s], "
> -                "ignoring typecheck\n",
> +                "ignoring typecheck. Parent [%s]\n",
>                   Op->Asl.ParseOpName, Op->Asl.LineNumber,
> -                Op->Asl.ExternalName);
> -            return (ACPI_UINT32_MAX);
> +                Op->Asl.ExternalName, Op->Asl.Parent->Asl.ParseOpName);
> +            return (ACPI_UINT32_MAX - 1);
>           }
>
>           ThisNodeBtype = AnMapEtypeToBtype (Node->Type);
> diff --git a/src/acpica/source/compiler/aslcodegen.c b/src/acpica/source/compiler/aslcodegen.c
> index 1bfc0e1..ae96b36 100644
> --- a/src/acpica/source/compiler/aslcodegen.c
> +++ b/src/acpica/source/compiler/aslcodegen.c
> @@ -169,22 +169,16 @@ 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,
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
>           CgAmlWriteWalk, NULL, NULL);
>
> -    DbgPrint (ASL_TREE_OUTPUT,
> -        "%*s Value    P_Op A_Op OpLen PByts Len  SubLen PSubLen OpPtr"
> -        "    Parent   Child    Next     Flags    AcTyp    Final Col L#  EL#  LL#  ELL#\n",
> -        76, " ");
> -
> +    DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER2);
>       CgCloseTable ();
>   }
>
> @@ -208,40 +202,43 @@ CgAmlWriteWalk (
>       void                    *Context)
>   {
>
> -    /*
> -     * Print header at level 0. Alignment assumes 32-bit pointers
> -     */
> -    if (!Level)
> +    /* Generate the AML for this node */
> +
> +    CgWriteNode (Op);
> +
> +    if (!Gbl_DebugFlag)
>       {
> -        DbgPrint (ASL_TREE_OUTPUT,
> -            "Final parse tree used for AML output:\n");
> -        DbgPrint (ASL_TREE_OUTPUT,
> -            "%*s Value    P_Op A_Op OpLen PByts Len  SubLen PSubLen OpPtr"
> -            "    Parent   Child    Next     Flags    AcTyp    Final Col L#  EL#  LL#  ELL#\n",
> -            76, " ");
> +        return (AE_OK);
>       }
>
> -    /* Debug output */
> -
> -    DbgPrint (ASL_TREE_OUTPUT,
> -        "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level);
> -    UtPrintFormattedName (Op->Asl.ParseOpcode, Level);
> +    /* Print header at level 0. Alignment assumes 32-bit pointers */
>
> -    if (Op->Asl.ParseOpcode == PARSEOP_NAMESEG    ||
> -        Op->Asl.ParseOpcode == PARSEOP_NAMESTRING ||
> -        Op->Asl.ParseOpcode == PARSEOP_METHODCALL)
> +    if (!Level)
>       {
>           DbgPrint (ASL_TREE_OUTPUT,
> -            "%10.32s      ", Op->Asl.ExternalName);
> +            "\nFinal parse tree used for AML output:\n");
> +        DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER2);
>       }
> -    else
> +
> +    /* Dump ParseOp name and possible value */
> +
> +    switch (Op->Asl.ParseOpcode)
>       {
> -        DbgPrint (ASL_TREE_OUTPUT, "                ");
> +    case PARSEOP_NAMESEG:
> +    case PARSEOP_NAMESTRING:
> +    case PARSEOP_METHODCALL:
> +    case PARSEOP_STRING_LITERAL:
> +
> +        UtDumpStringOp (Op, Level);
> +        break;
> +
> +    default:
> +
> +        UtDumpBasicOp (Op, Level);
> +        break;
>       }
>
> -    DbgPrint (ASL_TREE_OUTPUT,
> -        "%08X %04X %04X %01X     %04X  %04X %04X   %04X    "
> -        "%08X %08X %08X %08X %08X %08X %04X  %02d  %02d   %02d   %02d   %02d\n",
> +    DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_DEBUG2,
>           /* 1  */ (UINT32) Op->Asl.Value.Integer,
>           /* 2  */ Op->Asl.ParseOpcode,
>           /* 3  */ Op->Asl.AmlOpcode,
> @@ -263,9 +260,6 @@ CgAmlWriteWalk (
>           /* 19 */ Op->Asl.LogicalLineNumber,
>           /* 20 */ Op->Asl.EndLogicalLine);
>
> -    /* Generate the AML for this node */
> -
> -    CgWriteNode (Op);
>       return (AE_OK);
>   }
>
> @@ -630,7 +624,7 @@ CgCloseTable (
>
>       /* Process all definition blocks */
>
> -    Op = RootNode->Asl.Child;
> +    Op = Gbl_ParseTreeRoot->Asl.Child;
>       while (Op)
>       {
>           CgUpdateHeader (Op);
> @@ -662,7 +656,6 @@ CgWriteNode (
>       /* 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))
>       {
> diff --git a/src/acpica/source/compiler/aslcompile.c b/src/acpica/source/compiler/aslcompile.c
> index c7d120e..63d9c6a 100644
> --- a/src/acpica/source/compiler/aslcompile.c
> +++ b/src/acpica/source/compiler/aslcompile.c
> @@ -210,7 +210,7 @@ CmDoCompile (
>
>       /* Did the parse tree get successfully constructed? */
>
> -    if (!RootNode)
> +    if (!Gbl_ParseTreeRoot)
>       {
>           /*
>            * If there are no errors, then we have some sort of
> @@ -238,22 +238,22 @@ CmDoCompile (
>
>       LsDumpParseTree ();
>
> -    OpcGetIntegerWidth (RootNode->Asl.Child);
> +    OpcGetIntegerWidth (Gbl_ParseTreeRoot->Asl.Child);
>       UtEndEvent (Event);
>
>       /* Pre-process parse tree for any operator transforms */
>
>       Event = UtBeginEvent ("Parse tree transforms");
>       DbgPrint (ASL_DEBUG_OUTPUT, "\nParse tree transforms\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
> -        TrAmlTransformWalk, NULL, NULL);
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_TWICE,
> +        TrAmlTransformWalkBegin, TrAmlTransformWalkEnd, NULL);
>       UtEndEvent (Event);
>
>       /* Generate AML opcodes corresponding to the parse tokens */
>
>       Event = UtBeginEvent ("Generate AML opcodes");
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nGenerating AML opcodes\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Generating AML opcodes\n\n");
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD, NULL,
>           OpcAmlOpcodeWalk, NULL);
>       UtEndEvent (Event);
>
> @@ -275,11 +275,11 @@ CmDoCompile (
>
>       Event = UtBeginEvent ("Constant folding via AML interpreter");
>       DbgPrint (ASL_DEBUG_OUTPUT,
> -        "\nInterpreting compile-time constant expressions\n\n");
> +        "Interpreting compile-time constant expressions\n\n");
>
>       if (Gbl_FoldConstants)
>       {
> -        TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
> +        TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
>               OpcAmlConstantWalk, NULL, NULL);
>       }
>       else
> @@ -292,16 +292,16 @@ CmDoCompile (
>
>       Event = UtBeginEvent ("Updating AML opcodes after constant folding");
>       DbgPrint (ASL_DEBUG_OUTPUT,
> -        "\nUpdating AML opcodes after constant folding\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD,
> +        "Updating AML opcodes after constant folding\n\n");
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD,
>           NULL, OpcAmlOpcodeUpdateWalk, NULL);
>       UtEndEvent (Event);
>
>       /* Calculate all AML package lengths */
>
>       Event = UtBeginEvent ("Generate AML package lengths");
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nGenerating Package lengths\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Generating Package lengths\n\n");
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD, NULL,
>           LnPackageLengthWalk, NULL);
>       UtEndEvent (Event);
>
> @@ -327,7 +327,8 @@ CmDoCompile (
>       /* Namespace loading */
>
>       Event = UtBeginEvent ("Create ACPI Namespace");
> -    Status = LdLoadNamespace (RootNode);
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Creating ACPI Namespace\n\n");
> +    Status = LdLoadNamespace (Gbl_ParseTreeRoot);
>       UtEndEvent (Event);
>       if (ACPI_FAILURE (Status))
>       {
> @@ -338,6 +339,7 @@ CmDoCompile (
>
>       AslGbl_NamespaceEvent = UtBeginEvent (
>           "Cross reference parse tree and Namespace");
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Cross referencing namespace\n\n");
>       Status = XfCrossReferenceNamespace ();
>       if (ACPI_FAILURE (Status))
>       {
> @@ -349,6 +351,14 @@ CmDoCompile (
>       LkFindUnreferencedObjects ();
>       UtEndEvent (AslGbl_NamespaceEvent);
>
> +    /* Resolve External Declarations */
> +
> +    Event = UtBeginEvent ("Resolve all Externals");
> +    DbgPrint (ASL_DEBUG_OUTPUT, "\nResolve Externals\n\n");
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_TWICE,
> +        ExAmlExternalWalkBegin, ExAmlExternalWalkEnd, NULL);
> +    UtEndEvent (Event);
> +
>       /*
>        * Semantic analysis. This can happen only after the
>        * namespace has been loaded and cross-referenced.
> @@ -358,17 +368,30 @@ CmDoCompile (
>       Event = UtBeginEvent ("Analyze control method return types");
>       AnalysisWalkInfo.MethodStack = NULL;
>
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nSemantic analysis - Method analysis\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_TWICE,
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Semantic analysis - Method analysis\n\n");
> +
> +    if (Gbl_CrossReferenceOutput)
> +    {
> +        OtPrintHeaders ("Part 1: Object Reference Map "
> +            "(Object references from within each control method)");
> +    }
> +
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_TWICE,
>           MtMethodAnalysisWalkBegin,
>           MtMethodAnalysisWalkEnd, &AnalysisWalkInfo);
>       UtEndEvent (Event);
>
> +    /* Generate the object cross-reference file if requested */
> +
> +    Event = UtBeginEvent ("Generate cross-reference file");
> +    OtCreateXrefFile ();
> +    UtEndEvent (Event);
> +
>       /* Semantic error checking part two - typing of method returns */
>
>       Event = UtBeginEvent ("Determine object types returned by methods");
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nSemantic analysis - Method typing\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD,
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Semantic analysis - Method typing\n\n");
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD,
>           NULL, AnMethodTypingWalkEnd, NULL);
>       UtEndEvent (Event);
>
> @@ -376,10 +399,10 @@ CmDoCompile (
>
>       Event = UtBeginEvent ("Analyze AML operand types");
>       DbgPrint (ASL_DEBUG_OUTPUT,
> -        "\nSemantic analysis - Operand type checking\n\n");
> +        "Semantic analysis - Operand type checking\n\n");
>       if (Gbl_DoTypechecking)
>       {
> -        TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD,
> +        TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD,
>               NULL, AnOperandTypecheckWalkEnd, &AnalysisWalkInfo);
>       }
>       UtEndEvent (Event);
> @@ -387,8 +410,8 @@ CmDoCompile (
>       /* Semantic error checking part four - other miscellaneous checks */
>
>       Event = UtBeginEvent ("Miscellaneous analysis");
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nSemantic analysis - miscellaneous\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Semantic analysis - miscellaneous\n\n");
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
>           AnOtherSemanticAnalysisWalkBegin,
>           NULL, &AnalysisWalkInfo);
>       UtEndEvent (Event);
> @@ -396,16 +419,17 @@ CmDoCompile (
>       /* Calculate all AML package lengths */
>
>       Event = UtBeginEvent ("Finish AML package length generation");
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nGenerating Package lengths\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Generating Package lengths\n\n");
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD, NULL,
>           LnInitLengthsWalk, NULL);
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD, NULL,
>           LnPackageLengthWalk, NULL);
>       UtEndEvent (Event);
>
>       /* Code generation - emit the AML */
>
>       Event = UtBeginEvent ("Generate AML code and write output files");
> +    DbgPrint (ASL_DEBUG_OUTPUT, "Writing AML byte code\n\n");
>       CgGenerateAmlOutput ();
>       UtEndEvent (Event);
>
> @@ -888,7 +912,7 @@ CmDeleteCaches (
>       Gbl_ParseOpCount = 0;
>       Gbl_ParseOpCacheNext = NULL;
>       Gbl_ParseOpCacheLast = NULL;
> -    RootNode = NULL;
> +    Gbl_ParseTreeRoot = NULL;
>
>       /* Generic string cache */
>
> diff --git a/src/acpica/source/compiler/aslcompiler.h b/src/acpica/source/compiler/aslcompiler.h
> index 13dee53..d610260 100644
> --- a/src/acpica/source/compiler/aslcompiler.h
> +++ b/src/acpica/source/compiler/aslcompiler.h
> @@ -724,7 +724,13 @@ ApCheckPackage (
>    * asltransform - parse tree transformations
>    */
>   ACPI_STATUS
> -TrAmlTransformWalk (
> +TrAmlTransformWalkBegin (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +ACPI_STATUS
> +TrAmlTransformWalkEnd (
>       ACPI_PARSE_OBJECT       *Op,
>       UINT32                  Level,
>       void                    *Context);
> @@ -741,6 +747,25 @@ TrWalkParseTree (
>       ASL_WALK_CALLBACK       AscendingCallback,
>       void                    *Context);
>
> +/*
> + * aslexternal - External opcode support
> + */
> +ACPI_STATUS
> +ExAmlExternalWalkBegin (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +ACPI_STATUS
> +ExAmlExternalWalkEnd (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +void
> +ExDoExternal (
> +    ACPI_PARSE_OBJECT       *Op);
> +
>   /* Values for "Visitation" parameter above */
>
>   #define ASL_WALK_VISIT_DOWNWARD     0x01
> @@ -981,6 +1006,24 @@ XfCrossReferenceNamespace (
>
>
>   /*
> + * aslxrefout
> + */
> +void
> +OtPrintHeaders (
> +    char                    *Message);
> +
> +void
> +OtCreateXrefFile (
> +    void);
> +
> +void
> +OtXrefWalkPart1 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    ASL_METHOD_INFO         *MethodInfo);
> +
> +
> +/*
>    * aslutils - common compiler utilites
>    */
>   void
> @@ -995,11 +1038,31 @@ DbgPrint (
>   #define ASL_PARSE_OUTPUT    1
>   #define ASL_TREE_OUTPUT     2
>
> +UINT8
> +UtIsBigEndianMachine (
> +    void);
> +
>   BOOLEAN
>   UtQueryForOverwrite (
>       char                    *Pathname);
>
>   void
> +UtDumpStringOp (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level);
> +
> +void
> +UtDumpIntegerOp (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    UINT32                  IntegerLength);
> +
> +void
> +UtDumpBasicOp (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level);
> +
> +void
>   UtDisplaySupportedTables (
>       void);
>
> @@ -1020,11 +1083,6 @@ UtLocalCalloc (
>       UINT32                  Size);
>
>   void
> -UtPrintFormattedName (
> -    UINT16                  ParseOpcode,
> -    UINT32                  Level);
> -
> -void
>   UtDisplaySummary (
>       UINT32                  FileId);
>
> @@ -1078,12 +1136,6 @@ UINT64
>   UtDoConstant (
>       char                    *String);
>
> -ACPI_STATUS
> -stroul64 (
> -    char                    *String,
> -    UINT32                  Base,
> -    UINT64                  *RetInteger);
> -
>
>   /*
>    * asluuid - UUID support
> diff --git a/src/acpica/source/compiler/aslcompiler.y b/src/acpica/source/compiler/aslcompiler.y
> index 4f69f30..efa5ce1 100644
> --- a/src/acpica/source/compiler/aslcompiler.y
> +++ b/src/acpica/source/compiler/aslcompiler.y
> @@ -1404,7 +1404,6 @@ ObjectTypeName
>       | RefOfTerm                     {}
>       | DerefOfTerm                   {}
>       | IndexTerm                     {}
> -
>   /*    | MethodInvocationTerm          {} */  /* Caused reduce/reduce with Type6Opcode->MethodInvocationTerm */
>       ;
>
> diff --git a/src/acpica/source/compiler/asldebug.c b/src/acpica/source/compiler/asldebug.c
> new file mode 100644
> index 0000000..4a3aa6d
> --- /dev/null
> +++ b/src/acpica/source/compiler/asldebug.c
> @@ -0,0 +1,325 @@
> +/******************************************************************************
> + *
> + * Module Name: asldebug -- Debug output support
> + *
> + *****************************************************************************/
> +
> +/******************************************************************************
> + *
> + * 1. Copyright Notice
> + *
> + * Some or all of this work - Copyright (c) 1999 - 2016, 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"
> +
> +
> +#define _COMPONENT          ACPI_COMPILER
> +        ACPI_MODULE_NAME    ("asldebug")
> +
> +
> +/* Local prototypes */
> +
> +static void
> +UtDumpParseOpName (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    UINT32                  DataLength);
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    UtDumpIntegerOp
> + *
> + * PARAMETERS:  Op                  - Current parse op
> + *              Level               - Current output indentation level
> + *              IntegerLength       - Output length of the integer (2/4/8/16)
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Emit formatted debug output for "integer" ops.
> + *              Note: IntegerLength must be one of 2,4,8,16.
> + *
> + ******************************************************************************/
> +
> +void
> +UtDumpIntegerOp (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    UINT32                  IntegerLength)
> +{
> +
> +    /* Emit the ParseOp name, leaving room for the integer */
> +
> +    UtDumpParseOpName (Op, Level, IntegerLength);
> +
> +    /* Emit the integer based upon length */
> +
> +    switch (IntegerLength)
> +    {
> +    case 2: /* Byte */
> +    case 4: /* Word */
> +    case 8: /* Dword */
> +
> +        DbgPrint (ASL_TREE_OUTPUT,
> +            "%*.*X", IntegerLength, IntegerLength, Op->Asl.Value.Integer);
> +        break;
> +
> +    case 16: /* Qword and Integer */
> +
> +        DbgPrint (ASL_TREE_OUTPUT,
> +            "%8.8X%8.8X", ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer));
> +        break;
> +
> +    default:
> +        break;
> +    }
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    UtDumpStringOp
> + *
> + * PARAMETERS:  Op                  - Current parse op
> + *              Level               - Current output indentation level
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Emit formatted debug output for String/Pathname ops.
> + *
> + ******************************************************************************/
> +
> +void
> +UtDumpStringOp (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level)
> +{
> +    char                    *String;
> +
> +
> +    String = Op->Asl.Value.String;
> +
> +    if (Op->Asl.ParseOpcode != PARSEOP_STRING_LITERAL)
> +    {
> +        /*
> +         * For the "path" ops NAMEPATH, NAMESEG, METHODCALL -- if the
> +         * ExternalName is valid, it takes precedence. In these cases the
> +         * Value.String is the raw "internal" name from the AML code, which
> +         * we don't want to use, because it contains non-ascii characters.
> +         */
> +        if (Op->Asl.ExternalName)
> +        {
> +            String = Op->Asl.ExternalName;
> +        }
> +    }
> +
> +    if (!String)
> +    {
> +        DbgPrint (ASL_TREE_OUTPUT,
> +            " ERROR: Could not find a valid String/Path pointer\n");
> +        return;
> +    }
> +
> +    /* Emit the ParseOp name, leaving room for the string */
> +
> +    UtDumpParseOpName (Op, Level, strlen (String));
> +    DbgPrint (ASL_TREE_OUTPUT, "%s", String);
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    UtDumpBasicOp
> + *
> + * PARAMETERS:  Op                  - Current parse op
> + *              Level               - Current output indentation level
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Generic formatted debug output for "basic" ops that have no
> + *              associated strings or integer values.
> + *
> + ******************************************************************************/
> +
> +void
> +UtDumpBasicOp (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level)
> +{
> +
> +    /* Just print out the ParseOp name, there is no extra data */
> +
> +    UtDumpParseOpName (Op, Level, 0);
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    UtDumpParseOpName
> + *
> + * PARAMETERS:  Op                  - Current parse op
> + *              Level               - Current output indentation level
> + *              DataLength          - Length of data to appear after the name
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Indent and emit the ascii ParseOp name for the op
> + *
> + ******************************************************************************/
> +
> +static void
> +UtDumpParseOpName (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    UINT32                  DataLength)
> +{
> +    char                    *ParseOpName;
> +    UINT32                  IndentLength;
> +    UINT32                  NameLength;
> +    UINT32                  LineLength;
> +    UINT32                  PaddingLength;
> +
> +
> +    /* Emit the LineNumber/IndentLevel prefix on each output line */
> +
> +    DbgPrint (ASL_TREE_OUTPUT,
> +        "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level);
> +
> +    ParseOpName = UtGetOpName (Op->Asl.ParseOpcode);
> +
> +    /* Calculate various lengths for output alignment */
> +
> +    IndentLength = Level * DEBUG_SPACES_PER_INDENT;
> +    NameLength = strlen (ParseOpName);
> +    LineLength = IndentLength + 1 + NameLength + 1 + DataLength;
> +    PaddingLength = (DEBUG_MAX_LINE_LENGTH + 1) - LineLength;
> +
> +    /* Parse tree indentation is based upon the nesting/indent level */
> +
> +    if (Level)
> +    {
> +        DbgPrint (ASL_TREE_OUTPUT, "%*s", IndentLength, " ");
> +    }
> +
> +    /* Emit the actual name here */
> +
> +    DbgPrint (ASL_TREE_OUTPUT, " %s", ParseOpName);
> +
> +    /* Emit extra padding blanks for alignment of later data items */
> +
> +    if (LineLength > DEBUG_MAX_LINE_LENGTH)
> +    {
> +        /* Split a long line immediately after the ParseOpName string */
> +
> +        DbgPrint (ASL_TREE_OUTPUT, "\n%*s",
> +            (DEBUG_FULL_LINE_LENGTH - DataLength), " ");
> +    }
> +    else
> +    {
> +        DbgPrint (ASL_TREE_OUTPUT, "%*s", PaddingLength, " ");
> +    }
> +}
> diff --git a/src/acpica/source/compiler/asldefine.h b/src/acpica/source/compiler/asldefine.h
> index 7287c43..47e64ac 100644
> --- a/src/acpica/source/compiler/asldefine.h
> +++ b/src/acpica/source/compiler/asldefine.h
> @@ -126,7 +126,7 @@
>   #define ASL_CREATOR_ID              "INTL"
>   #define ASL_DEFINE                  "__IASL__"
>
> -#define ASL_COMPLIANCE              "Supports ACPI Specification Revision 6.0"
> +#define ASL_COMPLIANCE              "Supports ACPI Specification Revision 6.1"
>
>
>   /* Configuration constants */
> @@ -190,8 +190,7 @@
>   #define ASL_ABORT                   TRUE
>   #define ASL_NO_ABORT                FALSE
>   #define ASL_EOF                     ACPI_UINT32_MAX
> -#define ASL_WITHIN_COMMENT          (ACPI_UINT32_MAX -1)
> -#define ASL_BLANK_LINE              (ACPI_UINT32_MAX -1)
> +#define ASL_IGNORE_LINE            (ACPI_UINT32_MAX -1)
>
>
>   /* Listings */
> @@ -228,4 +227,34 @@
>   #define RsCreateQwordField(Op, Name, ByteOffset) \
>       RsCreateResourceField (Op, Name, ByteOffset, 0, 64);
>
> +
> +/*
> + * Macros for debug output
> + */
> +
> +#define DEBUG_MAX_LINE_LENGTH       61
> +#define DEBUG_SPACES_PER_INDENT     3
> +#define DEBUG_FULL_LINE_LENGTH      71
> +
> +#define ASL_PARSE_TREE_FULL_LINE    "\n%71.71s"
> +
> +/* Header/Trailer for original parse tree directly from the parser */
> +
> +#define ASL_PARSE_TREE_HEADER1 \
> +    "%*s Value P_Op Flags     Line#  End# LogL# EndL#\n", 65, " "
> +
> +#define ASL_PARSE_TREE_DEBUG1 \
> +    " %4.4X %8.8X %5d %5d %5d %5d"
> +
> +/* Header/Trailer for processed parse tree used for AML generation */
> +
> +#define ASL_PARSE_TREE_HEADER2 \
> +    "%*s NameString Value    P_Op A_Op OpLen PByts Len  SubLen PSubLen OpPtr"\
> +    "    Parent   Child    Next     Flags    AcTyp    Final Col"\
> +    " Line#  End# LogL# EndL#\n", 60, " "
> +
> +#define ASL_PARSE_TREE_DEBUG2 \
> +    " %08X %04X %04X %01X     %04X  %04X %05X  %05X   "\
> +    "%08X %08X %08X %08X %08X %08X %04X  %02d  %5d %5d %5d %5d\n"
> +
>   #endif /* ASLDEFINE.H */
> diff --git a/src/acpica/source/compiler/aslexternal.c b/src/acpica/source/compiler/aslexternal.c
> new file mode 100644
> index 0000000..7a347f5
> --- /dev/null
> +++ b/src/acpica/source/compiler/aslexternal.c
> @@ -0,0 +1,563 @@
> +/******************************************************************************
> + *
> + * Module Name: aslexternal - ASL External opcode compiler support
> + *
> + *****************************************************************************/
> +
> +/******************************************************************************
> + *
> + * 1. Copyright Notice
> + *
> + * Some or all of this work - Copyright (c) 1999 - 2016, 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 "acparser.h"
> +#include "amlcode.h"
> +#include "acnamesp.h"
> +
> +
> +#define _COMPONENT          ACPI_COMPILER
> +        ACPI_MODULE_NAME    ("aslexternal")
> +
> +
> +/* Local prototypes */
> +
> +static void
> +ExInsertArgCount (
> +    ACPI_PARSE_OBJECT       *Op);
> +
> +static void
> +ExMoveExternals (
> +    ACPI_PARSE_OBJECT       *DefinitionBlockOp);
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    ExDoExternal
> + *
> + * PARAMETERS:  Op                  - Current Parse node
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Add an External() definition to the global list. This list
> + *              is used to generate External opcodes.
> + *
> + ******************************************************************************/
> +
> +void
> +ExDoExternal (
> +    ACPI_PARSE_OBJECT       *Op)
> +{
> +    ACPI_PARSE_OBJECT       *ListOp;
> +    ACPI_PARSE_OBJECT       *Prev;
> +    ACPI_PARSE_OBJECT       *Next;
> +    ACPI_PARSE_OBJECT       *ArgCountOp;
> +
> +
> +    ArgCountOp = Op->Asl.Child->Asl.Next->Asl.Next;
> +    ArgCountOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
> +    ArgCountOp->Asl.ParseOpcode = PARSEOP_BYTECONST;
> +    ArgCountOp->Asl.Value.Integer = 0;
> +    UtSetParseOpName (ArgCountOp);
> +
> +    /* Create new list node of arbitrary type */
> +
> +    ListOp = TrAllocateNode (PARSEOP_DEFAULT_ARG);
> +
> +    /* Store External node as child */
> +
> +    ListOp->Asl.Child = Op;
> +    ListOp->Asl.Next = NULL;
> +
> +    if (Gbl_ExternalsListHead)
> +    {
> +        /* Link new External to end of list */
> +
> +        Prev = Gbl_ExternalsListHead;
> +        Next = Prev;
> +        while (Next)
> +        {
> +            Prev = Next;
> +            Next = Next->Asl.Next;
> +        }
> +
> +        Prev->Asl.Next = ListOp;
> +    }
> +    else
> +    {
> +        Gbl_ExternalsListHead = ListOp;
> +    }
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    ExInsertArgCount
> + *
> + * PARAMETERS:  Op              - Op for a method invocation
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Obtain the number of arguments for a control method -- from
> + *              the actual invocation.
> + *
> + ******************************************************************************/
> +
> +static void
> +ExInsertArgCount (
> +    ACPI_PARSE_OBJECT       *Op)
> +{
> +    ACPI_PARSE_OBJECT       *Next;
> +    ACPI_PARSE_OBJECT       *NameOp;
> +    ACPI_PARSE_OBJECT       *Child;
> +    ACPI_PARSE_OBJECT       *ArgCountOp;
> +    char *                  ExternalName;
> +    char *                  CallName;
> +    UINT16                  ArgCount = 0;
> +
> +
> +    CallName = AcpiNsGetNormalizedPathname (Op->Asl.Node, TRUE);
> +
> +    Next = Gbl_ExternalsListHead;
> +    while (Next)
> +    {
> +        ArgCount = 0;
> +
> +        /* Skip if External node already handled */
> +
> +        if (Next->Asl.Child->Asl.CompileFlags & NODE_VISITED)
> +        {
> +            Next = Next->Asl.Next;
> +            continue;
> +        }
> +
> +        NameOp = Next->Asl.Child->Asl.Child;
> +        ExternalName = AcpiNsGetNormalizedPathname (NameOp->Asl.Node, TRUE);
> +
> +        if (!strcmp (CallName, ExternalName))
> +        {
> +            Next->Asl.Child->Asl.CompileFlags |= NODE_VISITED;
> +
> +            /*
> +             * Since we will reposition Externals to the Root, set Namepath
> +             * to the fully qualified name and recalculate the aml length
> +             */
> +            if (ACPI_FAILURE (UtInternalizeName (
> +                ExternalName, &NameOp->Asl.Value.String)))
> +            {
> +                AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL,
> +                    NULL, "- Could not Internalize External");
> +
> +                break;
> +            }
> +
> +            NameOp->Asl.AmlLength = strlen (NameOp->Asl.Value.String);
> +
> +            /* Get argument count */
> +
> +            Child = Op->Asl.Child;
> +            while (Child)
> +            {
> +                ArgCount++;
> +                Child = Child->Asl.Next;
> +            }
> +
> +            /* Setup ArgCount operand */
> +
> +            ArgCountOp = Next->Asl.Child->Asl.Child->Asl.Next->Asl.Next;
> +            ArgCountOp->Asl.Value.Integer = ArgCount;
> +            break;
> +        }
> +
> +        Next = Next->Asl.Next;
> +    }
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    ExAmlExternalWalkBegin
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Parse tree walk to create external opcode list for methods.
> + *
> + ******************************************************************************/
> +
> +ACPI_STATUS
> +ExAmlExternalWalkBegin (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +
> +    /* External list head saved in the definition block op */
> +
> +    if (Op->Asl.ParseOpcode == PARSEOP_DEFINITION_BLOCK)
> +    {
> +        Gbl_ExternalsListHead = Op->Asl.Value.Arg;
> +    }
> +
> +    if (!Gbl_ExternalsListHead)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    if (Op->Asl.ParseOpcode != PARSEOP_METHODCALL)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /*
> +     * The NameOp child under an ExternalOp gets turned into PARSE_METHODCALL
> +     * by XfNamespaceLocateBegin(). Ignore these.
> +     */
> +    if (Op->Asl.Parent &&
> +        Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_EXTERNAL)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    ExInsertArgCount (Op);
> +    return (AE_OK);
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    ExAmlExternalWalkEnd
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Parse tree walk to create external opcode list for methods.
> + *              Here, we just want to catch the case where a definition block
> + *              has been completed. Then we move all of the externals into
> + *              a single block in the parse tree and thus the AML code.
> + *
> + ******************************************************************************/
> +
> +ACPI_STATUS
> +ExAmlExternalWalkEnd (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +
> +    if (Op->Asl.ParseOpcode == PARSEOP_DEFINITION_BLOCK)
> +    {
> +        /*
> +         * Process any existing external list. (Support for
> +         * multiple definition blocks in a single file/compile)
> +         */
> +        ExMoveExternals (Op);
> +        Gbl_ExternalsListHead = NULL;
> +    }
> +
> +    return (AE_OK);
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    ExMoveExternals
> + *
> + * PARAMETERS:  DefinitionBlockOp       - Op for current definition block
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Move all externals present in the source file into a single
> + *              block of AML code, surrounded by an "If (0)" to prevent
> + *              AML interpreters from attempting to execute the External
> + *              opcodes.
> + *
> + ******************************************************************************/
> +
> +static void
> +ExMoveExternals (
> +    ACPI_PARSE_OBJECT       *DefinitionBlockOp)
> +{
> +    ACPI_PARSE_OBJECT       *ParentOp;
> +    ACPI_PARSE_OBJECT       *ExternalOp;
> +    ACPI_PARSE_OBJECT       *PredicateOp;
> +    ACPI_PARSE_OBJECT       *NextOp;
> +    ACPI_PARSE_OBJECT       *Prev;
> +    ACPI_PARSE_OBJECT       *Next;
> +    ACPI_OBJECT_TYPE        ObjType;
> +    UINT32                  i;
> +
> +
> +    if (!Gbl_ExternalsListHead)
> +    {
> +        return;
> +    }
> +
> +    /* Remove the External nodes from the tree */
> +
> +    NextOp = Gbl_ExternalsListHead;
> +    while (NextOp)
> +    {
> +        /*
> +         * The External is stored in child pointer of each node in the
> +         * list
> +         */
> +        ExternalOp = NextOp->Asl.Child;
> +
> +        /* Set line numbers (for listings, etc.) */
> +
> +        ExternalOp->Asl.LineNumber = 0;
> +        ExternalOp->Asl.LogicalLineNumber = 0;
> +
> +        Next = ExternalOp->Asl.Child;
> +        Next->Asl.LineNumber = 0;
> +        Next->Asl.LogicalLineNumber = 0;
> +
> +        Next = Next->Asl.Next;
> +        Next->Asl.LineNumber = 0;
> +        Next->Asl.LogicalLineNumber = 0;
> +
> +        Next = Next->Asl.Next;
> +        Next->Asl.LineNumber = 0;
> +        Next->Asl.LogicalLineNumber = 0;
> +
> +        Next = Next->Asl.Next;
> +        Next->Asl.LineNumber = 0;
> +        Next->Asl.LogicalLineNumber = 0;
> +
> +        ParentOp = ExternalOp->Asl.Parent;
> +        Prev = Next = ParentOp->Asl.Child;
> +
> +        /* Now find the External node's position in parse tree */
> +
> +        while (Next != ExternalOp)
> +        {
> +            Prev = Next;
> +            Next = Next->Asl.Next;
> +        }
> +
> +        /* Remove the External from the parse tree */
> +
> +        if (Prev == ExternalOp)
> +        {
> +            /* External was the first child node */
> +
> +            ParentOp->Asl.Child = ExternalOp->Asl.Next;
> +        }
> +
> +        Prev->Asl.Next = ExternalOp->Asl.Next;
> +        ExternalOp->Asl.Next = NULL;
> +        ExternalOp->Asl.Parent = Gbl_ExternalsListHead;
> +
> +        /* Point the External to the next in the list */
> +
> +        if (NextOp->Asl.Next)
> +        {
> +            ExternalOp->Asl.Next = NextOp->Asl.Next->Asl.Child;
> +        }
> +
> +        NextOp = NextOp->Asl.Next;
> +    }
> +
> +    /*
> +     * Loop again to remove MethodObj Externals for which
> +     * a MethodCall was not found (dead external reference)
> +     */
> +    Prev = Gbl_ExternalsListHead->Asl.Child;
> +    Next = Prev;
> +    while (Next)
> +    {
> +        ObjType = (ACPI_OBJECT_TYPE)
> +            Next->Asl.Child->Asl.Next->Asl.Value.Integer;
> +
> +        if (ObjType == ACPI_TYPE_METHOD &&
> +            !(Next->Asl.CompileFlags & NODE_VISITED))
> +        {
> +            if (Next == Prev)
> +            {
> +                Gbl_ExternalsListHead->Asl.Child = Next->Asl.Next;
> +                Next->Asl.Next = NULL;
> +                Prev = Gbl_ExternalsListHead->Asl.Child;
> +                Next = Prev;
> +                continue;
> +            }
> +            else
> +            {
> +                Prev->Asl.Next = Next->Asl.Next;
> +                Next->Asl.Next = NULL;
> +                Next = Prev->Asl.Next;
> +                continue;
> +            }
> +        }
> +
> +        Prev = Next;
> +        Next = Next->Asl.Next;
> +    }
> +
> +    /* If list is now empty, don't bother to make If (0) block */
> +
> +    if (!Gbl_ExternalsListHead->Asl.Child)
> +    {
> +        return;
> +    }
> +
> +    /* Convert Gbl_ExternalsListHead parent to If(). */
> +
> +    Gbl_ExternalsListHead->Asl.ParseOpcode = PARSEOP_IF;
> +    Gbl_ExternalsListHead->Asl.AmlOpcode = AML_IF_OP;
> +    Gbl_ExternalsListHead->Asl.CompileFlags = NODE_AML_PACKAGE;
> +    UtSetParseOpName (Gbl_ExternalsListHead);
> +
> +    /* Create a Zero op for the If predicate */
> +
> +    PredicateOp = TrAllocateNode (PARSEOP_ZERO);
> +    PredicateOp->Asl.AmlOpcode = AML_ZERO_OP;
> +
> +    PredicateOp->Asl.Parent = Gbl_ExternalsListHead;
> +    PredicateOp->Asl.Child = NULL;
> +    PredicateOp->Asl.Next = Gbl_ExternalsListHead->Asl.Child;
> +    Gbl_ExternalsListHead->Asl.Child = PredicateOp;
> +
> +    /* Set line numbers (for listings, etc.) */
> +
> +    Gbl_ExternalsListHead->Asl.LineNumber = 0;
> +    Gbl_ExternalsListHead->Asl.LogicalLineNumber = 0;
> +
> +    PredicateOp->Asl.LineNumber = 0;
> +    PredicateOp->Asl.LogicalLineNumber = 0;
> +
> +    /* Insert block back in the list */
> +
> +    Prev = DefinitionBlockOp->Asl.Child;
> +    Next = Prev;
> +
> +    /* Find last default arg */
> +
> +    for (i = 0; i < 6; i++)
> +    {
> +        Prev = Next;
> +        Next = Prev->Asl.Next;
> +    }
> +
> +    if (Next)
> +    {
> +        /* Definition Block is not empty */
> +
> +        Gbl_ExternalsListHead->Asl.Next = Next;
> +    }
> +    else
> +    {
> +        /* Definition Block is empty. */
> +
> +        Gbl_ExternalsListHead->Asl.Next = NULL;
> +    }
> +
> +    Prev->Asl.Next = Gbl_ExternalsListHead;
> +    Gbl_ExternalsListHead->Asl.Parent = Prev->Asl.Parent;
> +}
> diff --git a/src/acpica/source/compiler/aslfiles.c b/src/acpica/source/compiler/aslfiles.c
> index 472cbd9..f681b28 100644
> --- a/src/acpica/source/compiler/aslfiles.c
> +++ b/src/acpica/source/compiler/aslfiles.c
> @@ -705,6 +705,24 @@ FlOpenMiscOutputFiles (
>           AslCompilerFileHeader (ASL_FILE_DEBUG_OUTPUT);
>       }
>
> +    /* Create/Open a cross-reference output file if asked */
> +
> +    if (Gbl_CrossReferenceOutput)
> +    {
> +        Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_XREF);
> +        if (!Filename)
> +        {
> +            AslCommonError (ASL_ERROR, ASL_MSG_DEBUG_FILENAME,
> +                0, 0, 0, 0, NULL, NULL);
> +            return (AE_ERROR);
> +        }
> +
> +        FlOpenFile (ASL_FILE_XREF_OUTPUT, Filename, "w+t");
> +
> +        AslCompilerSignon (ASL_FILE_XREF_OUTPUT);
> +        AslCompilerFileHeader (ASL_FILE_XREF_OUTPUT);
> +    }
> +
>       /* Create/Open a listing output file if asked */
>
>       if (Gbl_ListingFlag)
> diff --git a/src/acpica/source/compiler/aslglobal.h b/src/acpica/source/compiler/aslglobal.h
> index ef64159..14a4db2 100644
> --- a/src/acpica/source/compiler/aslglobal.h
> +++ b/src/acpica/source/compiler/aslglobal.h
> @@ -155,7 +155,8 @@ ASL_FILE_INFO                       Gbl_Files [ASL_NUM_FILES] =
>       {NULL, NULL, "ASM Include:  ", "Assembly Header Output"},
>       {NULL, NULL, "C Include:    ", "C Header Output"},
>       {NULL, NULL, "Offset Table: ", "C Offset Table Output"},
> -    {NULL, NULL, "Device Map:   ", "Device Map Output"}
> +    {NULL, NULL, "Device Map:   ", "Device Map Output"},
> +    {NULL, NULL, "Cross Ref:    ", "Cross-reference Output"}
>   };
>
>   #else
> @@ -221,6 +222,7 @@ ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_NsOutputFlag, FALSE);
>   ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_PreprocessorOutputFlag, FALSE);
>   ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_KeepPreprocessorTempFile, FALSE);
>   ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_DebugFlag, FALSE);
> +ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_CrossReferenceOutput, FALSE);
>   ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_AsmOutputFlag, FALSE);
>   ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_C_OutputFlag, FALSE);
>   ASL_EXTERN BOOLEAN                  ASL_INIT_GLOBAL (Gbl_C_OffsetTableFlag, FALSE);
> @@ -312,14 +314,16 @@ ASL_EXTERN ACPI_SERIAL_INFO         ASL_INIT_GLOBAL (*Gbl_SerialList, NULL);
>
>   ASL_EXTERN UINT8                    ASL_INIT_GLOBAL (Gbl_RevisionOverride, 0);
>   ASL_EXTERN UINT8                    ASL_INIT_GLOBAL (Gbl_TempCount, 0);
> -ASL_EXTERN ACPI_PARSE_OBJECT        ASL_INIT_GLOBAL (*RootNode, NULL);
> +ASL_EXTERN ACPI_PARSE_OBJECT        ASL_INIT_GLOBAL (*Gbl_ParseTreeRoot, NULL);
> +ASL_EXTERN ACPI_PARSE_OBJECT        ASL_INIT_GLOBAL (*Gbl_ExternalsListHead, NULL);
>   ASL_EXTERN UINT32                   ASL_INIT_GLOBAL (Gbl_TableLength, 0);
>   ASL_EXTERN UINT32                   ASL_INIT_GLOBAL (Gbl_SourceLine, 0);
>   ASL_EXTERN ASL_LISTING_NODE         ASL_INIT_GLOBAL (*Gbl_ListingNode, NULL);
> -ASL_EXTERN ACPI_PARSE_OBJECT        *Gbl_FirstLevelInsertionNode;
>   ASL_EXTERN UINT8                    ASL_INIT_GLOBAL (Gbl_FileType, 0);
>   ASL_EXTERN char                     ASL_INIT_GLOBAL (*Gbl_Signature, NULL);
>
> +ASL_EXTERN ACPI_PARSE_OBJECT        *Gbl_FirstLevelInsertionNode;
> +
>   ASL_EXTERN UINT32                   ASL_INIT_GLOBAL (Gbl_CurrentHexColumn, 0);
>   ASL_EXTERN UINT32                   ASL_INIT_GLOBAL (Gbl_CurrentAmlOffset, 0);
>   ASL_EXTERN UINT32                   ASL_INIT_GLOBAL (Gbl_CurrentLine, 0);
> @@ -340,7 +344,7 @@ ASL_EXTERN ACPI_TABLE_HEADER        TableHeader;
>
>   /* Event timing */
>
> -#define ASL_NUM_EVENTS              20
> +#define ASL_NUM_EVENTS              24
>   ASL_EXTERN ASL_EVENT_INFO           AslGbl_Events[ASL_NUM_EVENTS];
>   ASL_EXTERN UINT8                    AslGbl_NextEvent;
>   ASL_EXTERN UINT8                    AslGbl_NamespaceEvent;
> diff --git a/src/acpica/source/compiler/asllength.c b/src/acpica/source/compiler/asllength.c
> index 25f13b2..79e70a6 100644
> --- a/src/acpica/source/compiler/asllength.c
> +++ b/src/acpica/source/compiler/asllength.c
> @@ -471,7 +471,6 @@ CgGenerateAmlLengths (
>           break;
>
>       case PARSEOP_DEFAULT_ARG:
> -    case PARSEOP_EXTERNAL:
>       case PARSEOP_INCLUDE:
>       case PARSEOP_INCLUDE_END:
>
> diff --git a/src/acpica/source/compiler/asllisting.c b/src/acpica/source/compiler/asllisting.c
> index 92c5bea..0c81359 100644
> --- a/src/acpica/source/compiler/asllisting.c
> +++ b/src/acpica/source/compiler/asllisting.c
> @@ -235,16 +235,16 @@ LsGenerateListing (
>
>           LsDoOffsetTableHeader (FileId);
>
> -        TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD, LsAmlOffsetWalk,
> -            NULL, (void *) ACPI_TO_POINTER (FileId));
> +        TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
> +            LsAmlOffsetWalk, NULL, (void *) ACPI_TO_POINTER (FileId));
>           LsDoOffsetTableFooter (FileId);
>           return;
>       }
>
>       /* Process all parse nodes */
>
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD, LsAmlListingWalk,
> -        NULL, (void *) ACPI_TO_POINTER (FileId));
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
> +        LsAmlListingWalk, NULL, (void *) ACPI_TO_POINTER (FileId));
>
>       /* Final processing */
>
> @@ -330,8 +330,12 @@ LsDumpParseTree (
>       }
>
>       DbgPrint (ASL_TREE_OUTPUT, "\nOriginal parse tree from parser:\n\n");
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
> +    DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER1);
> +
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
>           LsTreeWriteWalk, NULL, NULL);
> +
> +    DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER1);
>   }
>
>
> @@ -342,43 +346,69 @@ LsTreeWriteWalk (
>       void                    *Context)
>   {
>
> -    /* Debug output */
> +    /* Dump ParseOp name and possible value */
>
> -    DbgPrint (ASL_TREE_OUTPUT,
> -        "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level);
> +    switch (Op->Asl.ParseOpcode)
> +    {
> +        case PARSEOP_NAMESEG:
> +        case PARSEOP_NAMESTRING:
> +        case PARSEOP_METHODCALL:
> +        case PARSEOP_STRING_LITERAL:
>
> -    UtPrintFormattedName (Op->Asl.ParseOpcode, Level);
> +        UtDumpStringOp (Op, Level);
> +        break;
> +
> +    case PARSEOP_BYTECONST:
> +
> +        UtDumpIntegerOp (Op, Level, 2);
> +        break;
> +
> +    case PARSEOP_WORDCONST:
> +    case PARSEOP_PACKAGE_LENGTH:
> +
> +        UtDumpIntegerOp (Op, Level, 4);
> +        break;
> +
> +    case PARSEOP_DWORDCONST:
> +    case PARSEOP_EISAID:
> +
> +        UtDumpIntegerOp (Op, Level, 8);
> +        break;
> +
> +    case PARSEOP_QWORDCONST:
> +    case PARSEOP_INTEGER:
> +    case PARSEOP_ONE:
> +    case PARSEOP_ZERO:
> +    case PARSEOP_ONES:
> +
> +        UtDumpIntegerOp (Op, Level, 16);
> +        break;
> +
> +    case PARSEOP_INCLUDE:
>
> -    if (Op->Asl.ParseOpcode == PARSEOP_NAMESEG)
> -    {
> -        DbgPrint (ASL_TREE_OUTPUT,
> -            "%10.4s      ", Op->Asl.Value.Name);
> -    }
> -    else if ((Op->Asl.ParseOpcode == PARSEOP_NAMESTRING) ||
> -        (Op->Asl.ParseOpcode == PARSEOP_METHODCALL))
> -    {
> -        DbgPrint (ASL_TREE_OUTPUT,
> -            "%10.32s      ", Op->Asl.Value.String);
> -    }
> -    else if (Op->Asl.ParseOpcode == PARSEOP_INCLUDE)
> -    {
>           DbgPrint (ASL_TREE_OUTPUT,
>               "Open: %s\n", Op->Asl.Value.String);
>           return (AE_OK);
> -    }
> -    else if (Op->Asl.ParseOpcode == PARSEOP_INCLUDE_END)
> -    {
> +
> +    case PARSEOP_INCLUDE_END:
> +
>           DbgPrint (ASL_TREE_OUTPUT,
>               "Close: %s\n", Op->Asl.Filename);
>           return (AE_OK);
> +
> +    default:
> +
> +        UtDumpBasicOp (Op, Level);
> +        break;
>       }
> -    else
> -    {
> -        DbgPrint (ASL_TREE_OUTPUT, "                ");
> -    }
>
> -    DbgPrint (ASL_TREE_OUTPUT, "    (%.4X) Flags %8.8X",
> -        Op->Asl.ParseOpcode, Op->Asl.CompileFlags);
> +    /* Dump the remaining data */
> +
> +    DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_DEBUG1,
> +        Op->Asl.ParseOpcode, Op->Asl.CompileFlags,
> +        Op->Asl.LineNumber, Op->Asl.EndLine,
> +        Op->Asl.LogicalLineNumber, Op->Asl.EndLogicalLine);
> +
>       TrPrintNodeCompileFlags (Op->Asl.CompileFlags);
>       DbgPrint (ASL_TREE_OUTPUT, "\n");
>       return (AE_OK);
> @@ -471,6 +501,9 @@ LsWriteNodeToListing (
>       {
>       case PARSEOP_DEFINITION_BLOCK:
>
> +        /* Always start a definition block at AML offset zero */
> +
> +        Gbl_CurrentAmlOffset = 0;
>           LsWriteSourceLines (Op->Asl.EndLine, Op->Asl.EndLogicalLine, FileId);
>
>           /* Use the table Signature and TableId to build a unique name */
> diff --git a/src/acpica/source/compiler/aslload.c b/src/acpica/source/compiler/aslload.c
> index 65ff84b..d85750d 100644
> --- a/src/acpica/source/compiler/aslload.c
> +++ b/src/acpica/source/compiler/aslload.c
> @@ -176,8 +176,6 @@ LdLoadNamespace (
>       ACPI_WALK_STATE         *WalkState;
>
>
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nCreating namespace\n\n");
> -
>       /* Create a new walk state */
>
>       WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
> diff --git a/src/acpica/source/compiler/aslmain.c b/src/acpica/source/compiler/aslmain.c
> index 0ac138b..671c76f 100644
> --- a/src/acpica/source/compiler/aslmain.c
> +++ b/src/acpica/source/compiler/aslmain.c
> @@ -145,36 +145,6 @@ static void
>   AslInitialize (
>       void);
>
> -UINT8
> -AcpiIsBigEndianMachine (
> -    void);
> -
> -
> -/*******************************************************************************
> - *
> - * FUNCTION:    AcpiIsBigEndianMachine
> - *
> - * PARAMETERS:  None
> - *
> - * RETURN:      TRUE if machine is big endian
> - *              FALSE if machine is little endian
> - *
> - * DESCRIPTION: Detect whether machine is little endian or big endian.
> - *
> - ******************************************************************************/
> -
> -UINT8
> -AcpiIsBigEndianMachine (
> -    void)
> -{
> -    union {
> -        UINT32              Integer;
> -        UINT8               Bytes[4];
> -    } Overlay = {0xFF000000};
> -
> -    return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */
> -}
> -
>
>   /*******************************************************************************
>    *
> @@ -249,6 +219,7 @@ Usage (
>       ACPI_OPTION ("-lm",             "Create hardware summary map file (*.map)");
>       ACPI_OPTION ("-ln",             "Create namespace file (*.nsp)");
>       ACPI_OPTION ("-ls",             "Create combined source file (expanded includes) (*.src)");
> +    ACPI_OPTION ("-lx",             "Create cross-reference file (*.xrf)");
>
>       printf ("\nData Table Compiler:\n");
>       ACPI_OPTION ("-G",              "Compile custom table that contains generic operators");
> @@ -375,6 +346,12 @@ AslInitialize (
>
>       AcpiGbl_DmOpt_Verbose = FALSE;
>
> +    /* Default integer width is 64 bits */
> +
> +    AcpiGbl_IntegerBitWidth = 64;
> +    AcpiGbl_IntegerNybbleWidth = 16;
> +    AcpiGbl_IntegerByteWidth = 8;
> +
>       for (i = 0; i < ASL_NUM_FILES; i++)
>       {
>           Gbl_Files[i].Handle = NULL;
> @@ -418,7 +395,7 @@ main (
>        * be little-endian, and support for big-endian machines needs to
>        * be implemented.
>        */
> -    if (AcpiIsBigEndianMachine ())
> +    if (UtIsBigEndianMachine ())
>       {
>           fprintf (stderr,
>               "iASL is not currently supported on big-endian machines.\n");
> diff --git a/src/acpica/source/compiler/aslmap.c b/src/acpica/source/compiler/aslmap.c
> index 4502a32..b664593 100644
> --- a/src/acpica/source/compiler/aslmap.c
> +++ b/src/acpica/source/compiler/aslmap.c
> @@ -386,22 +386,22 @@ const ASL_MAPPING_ENTRY     AslKeywordMapping [] =
>   /* NOT */                       OP_TABLE_ENTRY (AML_BIT_NOT_OP,             0,                              0,                  ACPI_BTYPE_INTEGER),
>   /* NOTIFY */                    OP_TABLE_ENTRY (AML_NOTIFY_OP,              0,                              0,                  0),
>   /* OBJECTTYPE */                OP_TABLE_ENTRY (AML_OBJECT_TYPE_OP,         0,                              0,                  ACPI_BTYPE_INTEGER),
> -/* OBJECTTYPE_BFF */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_BUFFER_FIELD,         0,                  0),
> -/* OBJECTTYPE_BUF */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_BUFFER,               0,                  0),
> -/* OBJECTTYPE_DDB */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_DDB_HANDLE,           0,                  0),
> -/* OBJECTTYPE_DEV */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_DEVICE,               0,                  0),
> -/* OBJECTTYPE_EVT */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_EVENT,                0,                  0),
> -/* OBJECTTYPE_FLD */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_FIELD_UNIT,           0,                  0),
> -/* OBJECTTYPE_INT */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_INTEGER,              0,                  0),
> -/* OBJECTTYPE_MTH */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_METHOD,               0,                  0),
> -/* OBJECTTYPE_MTX */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_MUTEX,                0,                  0),
> -/* OBJECTTYPE_OPR */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_REGION,               0,                  0),
> -/* OBJECTTYPE_PKG */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_PACKAGE,              0,                  0),
> -/* OBJECTTYPE_POW */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_POWER,                0,                  0),
> -/* OBJECTTYPE_PRO */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_PROCESSOR,            0,                  0),
> -/* OBJECTTYPE_STR */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_STRING,               0,                  0),
> -/* OBJECTTYPE_THZ */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_THERMAL,              0,                  0),
> -/* OBJECTTYPE_UNK */            OP_TABLE_ENTRY (AML_BYTE_OP,                ACPI_TYPE_ANY,                  0,                  0),
> +/* OBJECTTYPE_BFF */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_BUFFER_FIELD,         0,                  0),
> +/* OBJECTTYPE_BUF */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_BUFFER,               0,                  0),
> +/* OBJECTTYPE_DDB */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_DDB_HANDLE,           0,                  0),
> +/* OBJECTTYPE_DEV */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_DEVICE,               0,                  0),
> +/* OBJECTTYPE_EVT */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_EVENT,                0,                  0),
> +/* OBJECTTYPE_FLD */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_FIELD_UNIT,           0,                  0),
> +/* OBJECTTYPE_INT */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_INTEGER,              0,                  0),
> +/* OBJECTTYPE_MTH */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_METHOD,               0,                  0),
> +/* OBJECTTYPE_MTX */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_MUTEX,                0,                  0),
> +/* OBJECTTYPE_OPR */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_REGION,               0,                  0),
> +/* OBJECTTYPE_PKG */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_PACKAGE,              0,                  0),
> +/* OBJECTTYPE_POW */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_POWER,                0,                  0),
> +/* OBJECTTYPE_PRO */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_PROCESSOR,            0,                  0),
> +/* OBJECTTYPE_STR */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_STRING,               0,                  0),
> +/* OBJECTTYPE_THZ */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_THERMAL,              0,                  0),
> +/* OBJECTTYPE_UNK */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_TYPE_ANY,                  0,                  0),
>   /* OFFSET */                    OP_TABLE_ENTRY (AML_INT_RESERVEDFIELD_OP,   0,                              0,                  0),
>   /* ONE */                       OP_TABLE_ENTRY (AML_ONE_OP,                 0,                              0,                  ACPI_BTYPE_INTEGER),
>   /* ONES */                      OP_TABLE_ENTRY (AML_ONES_OP,                0,                              0,                  ACPI_BTYPE_INTEGER),
> diff --git a/src/acpica/source/compiler/aslmapoutput.c b/src/acpica/source/compiler/aslmapoutput.c
> index d83711e..6a65cfe 100644
> --- a/src/acpica/source/compiler/aslmapoutput.c
> +++ b/src/acpica/source/compiler/aslmapoutput.c
> @@ -605,7 +605,7 @@ MpXrefDevices (
>
>       /* Walk the entire parse tree */
>
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
>           MpNamespaceXrefBegin, NULL, Info);
>
>       if (!Info->References)
> diff --git a/src/acpica/source/compiler/aslmethod.c b/src/acpica/source/compiler/aslmethod.c
> index 1e7de0c..6dce884 100644
> --- a/src/acpica/source/compiler/aslmethod.c
> +++ b/src/acpica/source/compiler/aslmethod.c
> @@ -125,7 +125,7 @@
>
>   /* Local prototypes */
>
> -void
> +static void
>   MtCheckNamedObjectInMethod (
>       ACPI_PARSE_OBJECT       *Op,
>       ASL_METHOD_INFO         *MethodInfo);
> @@ -165,6 +165,13 @@ MtMethodAnalysisWalkBegin (
>       UINT8                   ActualArgs = 0;
>
>
> +    /* Build cross-reference output file if requested */
> +
> +    if (Gbl_CrossReferenceOutput)
> +    {
> +        OtXrefWalkPart1 (Op, Level, MethodInfo);
> +    }
> +
>       switch (Op->Asl.ParseOpcode)
>       {
>       case PARSEOP_METHOD:
> @@ -565,7 +572,7 @@ MtMethodAnalysisWalkBegin (
>    *
>    ******************************************************************************/
>
> -void
> +static void
>   MtCheckNamedObjectInMethod (
>       ACPI_PARSE_OBJECT       *Op,
>       ASL_METHOD_INFO         *MethodInfo)
> diff --git a/src/acpica/source/compiler/aslopcodes.c b/src/acpica/source/compiler/aslopcodes.c
> index 230b695..bc49954 100644
> --- a/src/acpica/source/compiler/aslopcodes.c
> +++ b/src/acpica/source/compiler/aslopcodes.c
> @@ -1585,12 +1585,6 @@ OpcGenerateAmlOpcode (
>           Gbl_HasIncludeFiles = TRUE;
>           break;
>
> -    case PARSEOP_EXTERNAL:
> -
> -        Op->Asl.Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
> -        Op->Asl.Child->Asl.Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
> -        break;
> -
>       case PARSEOP_TIMER:
>
>           if (AcpiGbl_IntegerBitWidth == 32)
> diff --git a/src/acpica/source/compiler/asloperands.c b/src/acpica/source/compiler/asloperands.c
> index 27d088b..2e2f2d1 100644
> --- a/src/acpica/source/compiler/asloperands.c
> +++ b/src/acpica/source/compiler/asloperands.c
> @@ -1121,15 +1121,12 @@ OpnAttachNameToNode (
>       ACPI_PARSE_OBJECT       *Child = NULL;
>
>
> -    if (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL)
> -    {
> -        Child = UtGetArg (Op, 0);
> -    }
> -    else switch (Op->Asl.AmlOpcode)
> +    switch (Op->Asl.AmlOpcode)
>       {
>       case AML_DATA_REGION_OP:
>       case AML_DEVICE_OP:
>       case AML_EVENT_OP:
> +    case AML_EXTERNAL_OP:
>       case AML_METHOD_OP:
>       case AML_MUTEX_OP:
>       case AML_REGION_OP:
> @@ -1260,9 +1257,6 @@ OpnGenerateAmlOperands (
>       case PARSEOP_NAMESTRING:
>       case PARSEOP_METHODCALL:
>       case PARSEOP_STRING_LITERAL:
> -
> -        break;
> -
>       default:
>
>           break;
> diff --git a/src/acpica/source/compiler/aslprune.c b/src/acpica/source/compiler/aslprune.c
> index e51ff1b..b044a3d 100644
> --- a/src/acpica/source/compiler/aslprune.c
> +++ b/src/acpica/source/compiler/aslprune.c
> @@ -194,7 +194,7 @@ AslPruneParseTree (
>
>       AcpiOsPrintf ("\nRemoving Objects:\n");
>
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
>           PrTreePruneWalk, NULL, ACPI_CAST_PTR (void, &PruneObj));
>
>       AcpiOsPrintf ("\n%u Total Objects Removed\n", PruneObj.Count);
> diff --git a/src/acpica/source/compiler/aslrestype2s.c b/src/acpica/source/compiler/aslrestype2s.c
> index 79f677e..64f2cb7 100644
> --- a/src/acpica/source/compiler/aslrestype2s.c
> +++ b/src/acpica/source/compiler/aslrestype2s.c
> @@ -410,13 +410,6 @@ RsDoGpioIntDescriptor (
>       Descriptor->Gpio.ResSourceOffset = (UINT16)
>           ACPI_PTR_DIFF (ResourceSource, Descriptor);
>
> -    DbgPrint (ASL_DEBUG_OUTPUT,
> -        "%16s - Actual: %.2X, Base: %.2X, ResLen: "
> -        "%.2X, VendLen: %.2X, IntLen: %.2X\n",
> -        "GpioInt", Descriptor->Gpio.ResourceLength,
> -        (UINT16) sizeof (AML_RESOURCE_GPIO),
> -        ResSourceLength, VendorLength, InterruptLength);
> -
>       /* Process all child initialization nodes */
>
>       for (i = 0; InitializerOp; i++)
> @@ -626,13 +619,6 @@ RsDoGpioIoDescriptor (
>       Descriptor->Gpio.ResSourceOffset = (UINT16)
>           ACPI_PTR_DIFF (ResourceSource, Descriptor);
>
> -    DbgPrint (ASL_DEBUG_OUTPUT,
> -        "%16s - Actual: %.2X, Base: %.2X, ResLen: "
> -        "%.2X, VendLen: %.2X, IntLen: %.2X\n",
> -        "GpioIo", Descriptor->Gpio.ResourceLength,
> -        (UINT16) sizeof (AML_RESOURCE_GPIO),
> -        ResSourceLength, VendorLength, InterruptLength);
> -
>       /* Process all child initialization nodes */
>
>       for (i = 0; InitializerOp; i++)
> @@ -825,13 +811,6 @@ RsDoI2cSerialBusDescriptor (
>       VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_I2C_SERIALBUS));
>       ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
>
> -    DbgPrint (ASL_DEBUG_OUTPUT,
> -        "%16s - Actual: %.2X, Base: %.2X, ResLen: "
> -        "%.2X, VendLen: %.2X, TypLen: %.2X\n",
> -        "I2cSerialBus", Descriptor->I2cSerialBus.ResourceLength,
> -        (UINT16) sizeof (AML_RESOURCE_I2C_SERIALBUS), ResSourceLength,
> -        VendorLength, Descriptor->I2cSerialBus.TypeDataLength);
> -
>       /* Process all child initialization nodes */
>
>       for (i = 0; InitializerOp; i++)
> @@ -976,13 +955,6 @@ RsDoSpiSerialBusDescriptor (
>           sizeof (AML_RESOURCE_SPI_SERIALBUS));
>       ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
>
> -    DbgPrint (ASL_DEBUG_OUTPUT,
> -        "%16s - Actual: %.2X, Base: %.2X, ResLen: "
> -        "%.2X, VendLen: %.2X, TypLen: %.2X\n",
> -        "SpiSerialBus", Descriptor->SpiSerialBus.ResourceLength,
> -        (UINT16) sizeof (AML_RESOURCE_SPI_SERIALBUS), ResSourceLength,
> -        VendorLength, Descriptor->SpiSerialBus.TypeDataLength);
> -
>       /* Process all child initialization nodes */
>
>       for (i = 0; InitializerOp; i++)
> @@ -1154,13 +1126,6 @@ RsDoUartSerialBusDescriptor (
>       VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_UART_SERIALBUS));
>       ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);
>
> -    DbgPrint (ASL_DEBUG_OUTPUT,
> -        "%16s - Actual: %.2X, Base: %.2X, ResLen: "
> -        "%.2X, VendLen: %.2X, TypLen: %.2X\n",
> -        "UartSerialBus", Descriptor->UartSerialBus.ResourceLength,
> -        (UINT16) sizeof (AML_RESOURCE_UART_SERIALBUS), ResSourceLength,
> -        VendorLength, Descriptor->UartSerialBus.TypeDataLength);
> -
>       /* Process all child initialization nodes */
>
>       for (i = 0; InitializerOp; i++)
> diff --git a/src/acpica/source/compiler/aslrules.y b/src/acpica/source/compiler/aslrules.y
> index f349448..d360573 100644
> --- a/src/acpica/source/compiler/aslrules.y
> +++ b/src/acpica/source/compiler/aslrules.y
> @@ -541,7 +541,6 @@ ObjectTypeName
>       | RefOfTerm                     {}
>       | DerefOfTerm                   {}
>       | IndexTerm                     {}
> -
>   /*    | MethodInvocationTerm          {} */  /* Caused reduce/reduce with Type6Opcode->MethodInvocationTerm */
>       ;
>
> diff --git a/src/acpica/source/compiler/aslstubs.c b/src/acpica/source/compiler/aslstubs.c
> index d255e90..055392b 100644
> --- a/src/acpica/source/compiler/aslstubs.c
> +++ b/src/acpica/source/compiler/aslstubs.c
> @@ -192,6 +192,13 @@ AcpiDsStoreObjectToLocal (
>   }
>
>   ACPI_STATUS
> +AcpiEvInstallRegionHandlers (
> +    void)
> +{
> +    return (AE_OK);
> +}
> +
> +ACPI_STATUS
>   AcpiEvQueueNotifyRequest (
>       ACPI_NAMESPACE_NODE     *Node,
>       UINT32                  NotifyValue)
> diff --git a/src/acpica/source/compiler/asltransform.c b/src/acpica/source/compiler/asltransform.c
> index 8ff773e..530076d 100644
> --- a/src/acpica/source/compiler/asltransform.c
> +++ b/src/acpica/source/compiler/asltransform.c
> @@ -321,7 +321,7 @@ TrAmlInsertPeer (
>
>   /*******************************************************************************
>    *
> - * FUNCTION:    TrAmlTransformWalk
> + * FUNCTION:    TrAmlTransformWalkBegin
>    *
>    * PARAMETERS:  ASL_WALK_CALLBACK
>    *
> @@ -333,7 +333,7 @@ TrAmlInsertPeer (
>    ******************************************************************************/
>
>   ACPI_STATUS
> -TrAmlTransformWalk (
> +TrAmlTransformWalkBegin (
>       ACPI_PARSE_OBJECT       *Op,
>       UINT32                  Level,
>       void                    *Context)
> @@ -346,6 +346,38 @@ TrAmlTransformWalk (
>
>   /*******************************************************************************
>    *
> + * FUNCTION:    TrAmlTransformWalkEnd
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Parse tree walk to generate both the AML opcodes and the AML
> + *              operands.
> + *
> + ******************************************************************************/
> +
> +ACPI_STATUS
> +TrAmlTransformWalkEnd (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +
> +    /* Save possible Externals list in the DefintionBlock Op */
> +
> +    if (Op->Asl.ParseOpcode == PARSEOP_DEFINITION_BLOCK)
> +    {
> +        Op->Asl.Value.Arg = Gbl_ExternalsListHead;
> +        Gbl_ExternalsListHead = NULL;
> +    }
> +
> +    return (AE_OK);
> +}
> +
> +
> +/*******************************************************************************
> + *
>    * FUNCTION:    TrTransformSubtree
>    *
>    * PARAMETERS:  Op        - The parent parse node
> @@ -388,6 +420,11 @@ TrTransformSubtree (
>           Gbl_TempCount = 0;
>           break;
>
> +    case PARSEOP_EXTERNAL:
> +
> +        ExDoExternal (Op);
> +        break;
> +
>       default:
>
>           /* Nothing to do here for other opcodes */
> @@ -419,6 +456,10 @@ TrDoDefinitionBlock (
>       UINT32                  i;
>
>
> +    /* Reset external list when starting a definition block */
> +
> +    Gbl_ExternalsListHead = NULL;
> +
>       Next = Op->Asl.Child;
>       for (i = 0; i < 5; i++)
>       {
> diff --git a/src/acpica/source/compiler/asltree.c b/src/acpica/source/compiler/asltree.c
> index e58aedf..a898584 100644
> --- a/src/acpica/source/compiler/asltree.c
> +++ b/src/acpica/source/compiler/asltree.c
> @@ -1054,7 +1054,7 @@ TrCreateNode (
>       {
>       case PARSEOP_ASL_CODE:
>
> -        RootNode = Op;
> +        Gbl_ParseTreeRoot = Op;
>           Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
>           DbgPrint (ASL_PARSE_OUTPUT, "ASLCODE (Tree Completed)->");
>           break;
> @@ -1183,7 +1183,7 @@ TrLinkChildren (
>       {
>       case PARSEOP_ASL_CODE:
>
> -        RootNode = Op;
> +        Gbl_ParseTreeRoot = Op;
>           Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
>           DbgPrint (ASL_PARSE_OUTPUT, "ASLCODE (Tree Completed)->");
>           break;
> @@ -1489,7 +1489,7 @@ TrWalkParseTree (
>       ACPI_STATUS             Status;
>
>
> -    if (!RootNode)
> +    if (!Gbl_ParseTreeRoot)
>       {
>           return (AE_OK);
>       }
> diff --git a/src/acpica/source/compiler/asltypes.h b/src/acpica/source/compiler/asltypes.h
> index 83d365e..95f33fd 100644
> --- a/src/acpica/source/compiler/asltypes.h
> +++ b/src/acpica/source/compiler/asltypes.h
> @@ -153,6 +153,7 @@
>   typedef struct asl_method_info
>   {
>       ACPI_PARSE_OBJECT       *Op;
> +    ACPI_PARSE_OBJECT       *CurrentOp;
>       struct asl_method_info  *Next;
>       UINT32                  ValidArgTypes[ACPI_METHOD_NUM_ARGS];
>       UINT32                  ValidReturnTypes;
> @@ -243,12 +244,13 @@ typedef enum
>       ASL_FILE_ASM_INCLUDE_OUTPUT,/* .inc */
>       ASL_FILE_C_INCLUDE_OUTPUT,  /* .h   */
>       ASL_FILE_C_OFFSET_OUTPUT,   /* .offset.h */
> -    ASL_FILE_MAP_OUTPUT         /* .map */
> +    ASL_FILE_MAP_OUTPUT,        /* .map */
> +    ASL_FILE_XREF_OUTPUT        /* .xrf */
>
>   } ASL_FILE_TYPES;
>
>
> -#define ASL_MAX_FILE_TYPE       16
> +#define ASL_MAX_FILE_TYPE       17
>   #define ASL_NUM_FILES           (ASL_MAX_FILE_TYPE + 1)
>
>   /* Name suffixes used to create filenames for output files */
> @@ -268,6 +270,7 @@ typedef enum
>   #define FILE_SUFFIX_C_INCLUDE       "h"
>   #define FILE_SUFFIX_C_OFFSET        "offset.h"
>   #define FILE_SUFFIX_MAP             "map"
> +#define FILE_SUFFIX_XREF            "xrf"
>
>
>   /* Cache block structure for ParseOps and Strings */
> @@ -388,4 +391,21 @@ typedef struct asl_method_local
>   #define ASL_ARG_INITIALIZED     (1<<3)
>   #define ASL_ARG_REFERENCED      (1<<4)
>
> +/* Info used to track method counts for cross reference output file */
> +
> +typedef struct asl_xref_info
> +{
> +    UINT32                  ThisMethodInvocations;
> +    UINT32                  TotalPredefinedMethods;
> +    UINT32                  TotalUserMethods;
> +    UINT32                  TotalUnreferenceUserMethods;
> +    UINT32                  ThisObjectReferences;
> +    UINT32                  TotalObjects;
> +    UINT32                  TotalUnreferencedObjects;
> +    ACPI_PARSE_OBJECT       *MethodOp;
> +    ACPI_PARSE_OBJECT       *CurrentMethodOp;
> +
> +} ASL_XREF_INFO;
> +
> +
>   #endif  /* __ASLTYPES_H */
> diff --git a/src/acpica/source/compiler/aslutils.c b/src/acpica/source/compiler/aslutils.c
> index 28fb415..2a45f6e 100644
> --- a/src/acpica/source/compiler/aslutils.c
> +++ b/src/acpica/source/compiler/aslutils.c
> @@ -139,6 +139,33 @@ UtAttachNameseg (
>       char                    *Name);
>
>
> +/*******************************************************************************
> + *
> + * FUNCTION:    UtIsBigEndianMachine
> + *
> + * PARAMETERS:  None
> + *
> + * RETURN:      TRUE if machine is big endian
> + *              FALSE if machine is little endian
> + *
> + * DESCRIPTION: Detect whether machine is little endian or big endian.
> + *
> + ******************************************************************************/
> +
> +UINT8
> +UtIsBigEndianMachine (
> +    void)
> +{
> +    union {
> +        UINT32              Integer;
> +        UINT8               Bytes[4];
> +    } Overlay =                 {0xFF000000};
> +
> +
> +    return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */
> +}
> +
> +
>   /******************************************************************************
>    *
>    * FUNCTION:    UtQueryForOverwrite
> @@ -341,63 +368,6 @@ UtEndEvent (
>
>   /*******************************************************************************
>    *
> - * FUNCTION:    UtConvertByteToHex
> - *
> - * PARAMETERS:  RawByte             - Binary data
> - *              Buffer              - Pointer to where the hex bytes will be
> - *                                    stored
> - *
> - * RETURN:      Ascii hex byte is stored in Buffer.
> - *
> - * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
> - *              with "0x"
> - *
> - ******************************************************************************/
> -
> -void
> -UtConvertByteToHex (
> -    UINT8                   RawByte,
> -    UINT8                   *Buffer)
> -{
> -
> -    Buffer[0] = '0';
> -    Buffer[1] = 'x';
> -
> -    Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4);
> -    Buffer[3] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0);
> -}
> -
> -
> -/*******************************************************************************
> - *
> - * FUNCTION:    UtConvertByteToAsmHex
> - *
> - * PARAMETERS:  RawByte             - Binary data
> - *              Buffer              - Pointer to where the hex bytes will be
> - *                                    stored
> - *
> - * RETURN:      Ascii hex byte is stored in Buffer.
> - *
> - * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
> - *              with '0', and a trailing 'h' is added.
> - *
> - ******************************************************************************/
> -
> -void
> -UtConvertByteToAsmHex (
> -    UINT8                   RawByte,
> -    UINT8                   *Buffer)
> -{
> -
> -    Buffer[0] = '0';
> -    Buffer[1] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4);
> -    Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0);
> -    Buffer[3] = 'h';
> -}
> -
> -
> -/*******************************************************************************
> - *
>    * FUNCTION:    DbgPrint
>    *
>    * PARAMETERS:  Type                - Type of output
> @@ -440,43 +410,6 @@ DbgPrint (
>
>   /*******************************************************************************
>    *
> - * FUNCTION:    UtPrintFormattedName
> - *
> - * PARAMETERS:  ParseOpcode         - Parser keyword ID
> - *              Level               - Indentation level
> - *
> - * RETURN:      None
> - *
> - * DESCRIPTION: Print the ascii name of the parse opcode.
> - *
> - ******************************************************************************/
> -
> -#define TEXT_OFFSET 10
> -
> -void
> -UtPrintFormattedName (
> -    UINT16                  ParseOpcode,
> -    UINT32                  Level)
> -{
> -
> -    if (Level)
> -    {
> -        DbgPrint (ASL_TREE_OUTPUT,
> -            "%*s", (3 * Level), " ");
> -    }
> -    DbgPrint (ASL_TREE_OUTPUT,
> -        " %-20.20s", UtGetOpName (ParseOpcode));
> -
> -    if (Level < TEXT_OFFSET)
> -    {
> -        DbgPrint (ASL_TREE_OUTPUT,
> -            "%*s", (TEXT_OFFSET - Level) * 3, " ");
> -    }
> -}
> -
> -
> -/*******************************************************************************
> - *
>    * FUNCTION:    UtSetParseOpName
>    *
>    * PARAMETERS:  Op                  - Parse op to be named.
> @@ -1045,7 +978,7 @@ UtDoConstant (
>       char                    ErrBuf[64];
>
>
> -    Status = stroul64 (String, 0, &Converted);
> +    Status = AcpiUtStrtoul64 (String, 0, &Converted);
>       if (ACPI_FAILURE (Status))
>       {
>           sprintf (ErrBuf, "%s %s\n", "Conversion error:",
> @@ -1057,198 +990,62 @@ UtDoConstant (
>   }
>
>
> -/* TBD: use version in ACPICA main code base? */
> +#ifdef _OBSOLETE_FUNCTIONS
> +/* Removed 01/2016 */
>
>   /*******************************************************************************
>    *
> - * FUNCTION:    stroul64
> + * FUNCTION:    UtConvertByteToHex
>    *
> - * PARAMETERS:  String              - Null terminated string
> - *              Terminater          - Where a pointer to the terminating byte
> - *                                    is returned
> - *              Base                - Radix of the string
> + * PARAMETERS:  RawByte             - Binary data
> + *              Buffer              - Pointer to where the hex bytes will be
> + *                                    stored
>    *
> - * RETURN:      Converted value
> + * RETURN:      Ascii hex byte is stored in Buffer.
>    *
> - * DESCRIPTION: Convert a string into an unsigned value.
> + * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
> + *              with "0x"
>    *
>    ******************************************************************************/
>
> -ACPI_STATUS
> -stroul64 (
> -    char                    *String,
> -    UINT32                  Base,
> -    UINT64                  *RetInteger)
> +void
> +UtConvertByteToHex (
> +    UINT8                   RawByte,
> +    UINT8                   *Buffer)
>   {
> -    UINT32                  Index;
> -    UINT32                  Sign;
> -    UINT64                  ReturnValue = 0;
> -    ACPI_STATUS             Status = AE_OK;
> -
> -
> -    *RetInteger = 0;
> -
> -    switch (Base)
> -    {
> -    case 0:
> -    case 8:
> -    case 10:
> -    case 16:
> -
> -        break;
> -
> -    default:
> -        /*
> -         * The specified Base parameter is not in the domain of
> -         * this function:
> -         */
> -        return (AE_BAD_PARAMETER);
> -    }
> -
> -    /* Skip over any white space in the buffer: */
> -
> -    while (isspace ((int) *String) || *String == '\t')
> -    {
> -        ++String;
> -    }
> -
> -    /*
> -     * The buffer may contain an optional plus or minus sign.
> -     * If it does, then skip over it but remember what is was:
> -     */
> -    if (*String == '-')
> -    {
> -        Sign = ACPI_SIGN_NEGATIVE;
> -        ++String;
> -    }
> -    else if (*String == '+')
> -    {
> -        ++String;
> -        Sign = ACPI_SIGN_POSITIVE;
> -    }
> -    else
> -    {
> -        Sign = ACPI_SIGN_POSITIVE;
> -    }
> -
> -    /*
> -     * If the input parameter Base is zero, then we need to
> -     * determine if it is octal, decimal, or hexadecimal:
> -     */
> -    if (Base == 0)
> -    {
> -        if (*String == '0')
> -        {
> -            if (tolower ((int) *(++String)) == 'x')
> -            {
> -                Base = 16;
> -                ++String;
> -            }
> -            else
> -            {
> -                Base = 8;
> -            }
> -        }
> -        else
> -        {
> -            Base = 10;
> -        }
> -    }
> -
> -    /*
> -     * For octal and hexadecimal bases, skip over the leading
> -     * 0 or 0x, if they are present.
> -     */
> -    if (Base == 8 && *String == '0')
> -    {
> -        String++;
> -    }
> -
> -    if (Base == 16 &&
> -        *String == '0' &&
> -        tolower ((int) *(++String)) == 'x')
> -    {
> -        String++;
> -    }
> -
> -    /* Main loop: convert the string to an unsigned long */
> -
> -    while (*String)
> -    {
> -        if (isdigit ((int) *String))
> -        {
> -            Index = ((UINT8) *String) - '0';
> -        }
> -        else
> -        {
> -            Index = (UINT8) toupper ((int) *String);
> -            if (isupper ((int) Index))
> -            {
> -                Index = Index - 'A' + 10;
> -            }
> -            else
> -            {
> -                goto ErrorExit;
> -            }
> -        }
> -
> -        if (Index >= Base)
> -        {
> -            goto ErrorExit;
> -        }
> -
> -        /* Check to see if value is out of range: */
> -
> -        if (ReturnValue > ((ACPI_UINT64_MAX - (UINT64) Index) /
> -            (UINT64) Base))
> -        {
> -            goto ErrorExit;
> -        }
> -        else
> -        {
> -            ReturnValue *= Base;
> -            ReturnValue += Index;
> -        }
> -
> -        ++String;
> -    }
> -
> -
> -    /* If a minus sign was present, then "the conversion is negated": */
> -
> -    if (Sign == ACPI_SIGN_NEGATIVE)
> -    {
> -        ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
> -    }
> -
> -    *RetInteger = ReturnValue;
> -    return (Status);
> -
> -
> -ErrorExit:
> -    switch (Base)
> -    {
> -    case 8:
>
> -        Status = AE_BAD_OCTAL_CONSTANT;
> -        break;
> -
> -    case 10:
> -
> -        Status = AE_BAD_DECIMAL_CONSTANT;
> -        break;
> -
> -    case 16:
> +    Buffer[0] = '0';
> +    Buffer[1] = 'x';
>
> -        Status = AE_BAD_HEX_CONSTANT;
> -        break;
> +    Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4);
> +    Buffer[3] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0);
> +}
>
> -    default:
>
> -        /* Base validated above */
> +/*******************************************************************************
> + *
> + * FUNCTION:    UtConvertByteToAsmHex
> + *
> + * PARAMETERS:  RawByte             - Binary data
> + *              Buffer              - Pointer to where the hex bytes will be
> + *                                    stored
> + *
> + * RETURN:      Ascii hex byte is stored in Buffer.
> + *
> + * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
> + *              with '0', and a trailing 'h' is added.
> + *
> + ******************************************************************************/
>
> -        break;
> -    }
> +void
> +UtConvertByteToAsmHex (
> +    UINT8                   RawByte,
> +    UINT8                   *Buffer)
> +{
>
> -    return (Status);
> +    Buffer[0] = '0';
> +    Buffer[1] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4);
> +    Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0);
> +    Buffer[3] = 'h';
>   }
> +#endif /* OBSOLETE_FUNCTIONS */
> diff --git a/src/acpica/source/compiler/aslwalks.c b/src/acpica/source/compiler/aslwalks.c
> index 5b9f79f..1eb7d45 100644
> --- a/src/acpica/source/compiler/aslwalks.c
> +++ b/src/acpica/source/compiler/aslwalks.c
> @@ -931,10 +931,21 @@ AnAnalyzeStoreOperator (
>       case PARSEOP_DEREFOF:
>       case PARSEOP_REFOF:
>       case PARSEOP_INDEX:
> -    case PARSEOP_METHODCALL:
>
>           return;
>
> +    case PARSEOP_METHODCALL:
> +        /*
> +         * A target is not allowed to be a method call.
> +         * It is not supported by the ACPICA interpreter, nor is it
> +         * supported by the MS ASL compiler or the MS interpreter.
> +         * Although legal syntax up until ACPI 6.1, support for this
> +         * will be removed for ACPI 6.2 (02/2016)
> +         */
> +        AslError (ASL_ERROR, ASL_MSG_SYNTAX,
> +            TargetOperandOp, "Illegal method invocation as a target operand");
> +        return;
> +
>       default:
>           break;
>       }
> diff --git a/src/acpica/source/compiler/aslxref.c b/src/acpica/source/compiler/aslxref.c
> index b83bea7..a3eab4a 100644
> --- a/src/acpica/source/compiler/aslxref.c
> +++ b/src/acpica/source/compiler/aslxref.c
> @@ -205,8 +205,6 @@ XfCrossReferenceNamespace (
>       ACPI_WALK_STATE         *WalkState;
>
>
> -    DbgPrint (ASL_DEBUG_OUTPUT, "\nCross referencing namespace\n\n");
> -
>       /*
>        * Create a new walk state for use when looking up names
>        * within the namespace (Passed as context to the callbacks)
> @@ -219,8 +217,8 @@ XfCrossReferenceNamespace (
>
>       /* Walk the entire parse tree */
>
> -    TrWalkParseTree (RootNode, ASL_WALK_VISIT_TWICE, XfNamespaceLocateBegin,
> -        XfNamespaceLocateEnd, WalkState);
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_TWICE,
> +        XfNamespaceLocateBegin, XfNamespaceLocateEnd, WalkState);
>
>       ACPI_FREE (WalkState);
>       return (AE_OK);
> @@ -952,7 +950,8 @@ XfNamespaceLocateBegin (
>               NextOp = NextOp->Asl.Next;
>           }
>
> -        if (Node->Value != ASL_EXTERNAL_METHOD)
> +        if (Node->Value != ASL_EXTERNAL_METHOD &&
> +            Op->Asl.Parent->Asl.ParseOpcode != PARSEOP_EXTERNAL)
>           {
>               /*
>                * Check the parsed arguments with the number expected by the
> diff --git a/src/acpica/source/compiler/aslxrefout.c b/src/acpica/source/compiler/aslxrefout.c
> new file mode 100644
> index 0000000..6fe872d
> --- /dev/null
> +++ b/src/acpica/source/compiler/aslxrefout.c
> @@ -0,0 +1,882 @@
> +/******************************************************************************
> + *
> + * Module Name: aslxrefout.c - support for optional cross-reference file
> + *
> + *****************************************************************************/
> +
> +/******************************************************************************
> + *
> + * 1. Copyright Notice
> + *
> + * Some or all of this work - Copyright (c) 1999 - 2016, 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 "acnamesp.h"
> +#include "acparser.h"
> +#include "amlcode.h"
> +
> +#define _COMPONENT          ACPI_COMPILER
> +        ACPI_MODULE_NAME    ("aslxrefout")
> +
> +
> +/* Local prototypes */
> +
> +static ACPI_STATUS
> +OtXrefWalkPart2 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +static ACPI_STATUS
> +OtXrefWalkPart3 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +static ACPI_STATUS
> +OtXrefAnalysisWalkPart1 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +
> +static ACPI_STATUS
> +OtXrefAnalysisWalkPart2 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +static ACPI_STATUS
> +OtXrefAnalysisWalkPart3 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context);
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtPrintHeaders
> + *
> + * PARAMETERS:  Message             - Main header message
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Emits the main header message along with field descriptions
> + *
> + ******************************************************************************/
> +
> +void
> +OtPrintHeaders (
> +    char                    *Message)
> +{
> +    UINT32                  Length;
> +
> +
> +    Length = strlen (Message);
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\n%s\n", Message);
> +    while (Length)
> +    {
> +        FlPrintFile (ASL_FILE_XREF_OUTPUT, "-");
> +        Length--;
> +    }
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nLineno   %-40s Description\n",
> +        "Full Pathname");
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtCreateXrefFile
> + *
> + * PARAMETERS:  None
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION  Main entry point for parts 2 and 3 of the cross-reference
> + *              file.
> + *
> + ******************************************************************************/
> +
> +void
> +OtCreateXrefFile (
> +    void)
> +{
> +    ASL_XREF_INFO           XrefInfo;
> +
> +
> +    /* Build cross-reference output file if requested */
> +
> +    if (!Gbl_CrossReferenceOutput)
> +    {
> +        return;
> +    }
> +
> +    memset (&XrefInfo, 0, sizeof (ASL_XREF_INFO));
> +
> +    /* Cross-reference output file, part 2 (Method invocations) */
> +
> +    OtPrintHeaders ("Part 2: Method Reference Map "
> +        "(Invocations of each user-defined control method)");
> +
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
> +        OtXrefWalkPart2, NULL, &XrefInfo);
> +
> +    /* Cross-reference output file, part 3 (All other object refs) */
> +
> +    OtPrintHeaders ("Part 3: Full Object Reference Map "
> +        "(Methods that reference each object in namespace");
> +
> +    TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
> +        OtXrefWalkPart3, NULL, &XrefInfo);
> +
> +    /* Cross-reference summary */
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nObject Summary\n");
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "\nTotal methods:                   %u\n",
> +        XrefInfo.TotalPredefinedMethods + XrefInfo.TotalUserMethods);
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "Total predefined methods:        %u\n",
> +        XrefInfo.TotalPredefinedMethods);
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "\nTotal user methods:              %u\n",
> +        XrefInfo.TotalUserMethods);
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "Total unreferenced user methods  %u\n",
> +        XrefInfo.TotalUnreferenceUserMethods);
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "\nTotal defined objects:           %u\n",
> +        XrefInfo.TotalObjects);
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "Total unreferenced objects:      %u\n",
> +        XrefInfo.TotalUnreferencedObjects);
> +}
> +
> +
> +/*
> + * Part 1 of the cross reference file. This part emits the namespace objects
> + * that are referenced by each control method in the namespace.
> + *
> + * Part 2 and 3 are below part 1.
> + */
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtXrefWalkPart1
> + *
> + * PARAMETERS:  Op                      - Current parse Op
> + *              Level                   - Current tree nesting level
> + *              MethodInfo              - Info block for the current method
> + *
> + *
> + * RETURN:      None
> + *
> + * DESCRIPTION: Entry point for the creation of the method call reference map.
> + *              For each control method in the namespace, all other methods
> + *              that invoke the method are listed. Predefined names/methods
> + *              that start with an underscore are ignored, because these are
> + *              essentially external/public interfaces.
> +
> + * DESCRIPTION: Entry point for the creation of the object reference map.
> + *              For each control method in the namespace, all objects that
> + *              are referenced by the method are listed.
> + *
> + *              Called during a normal namespace walk, once per namespace
> + *              object. (MtMethodAnalysisWalkBegin)
> + *
> + ******************************************************************************/
> +
> +void
> +OtXrefWalkPart1 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    ASL_METHOD_INFO         *MethodInfo)
> +{
> +    ACPI_NAMESPACE_NODE     *Node;
> +    ACPI_PARSE_OBJECT       *NextOp;
> +    ACPI_PARSE_OBJECT       *FieldOp;
> +    char                    *ParentPath;
> +    UINT32                  Length;
> +    ACPI_STATUS             Status;
> +
> +
> +    switch (Op->Asl.ParseOpcode)
> +    {
> +    case PARSEOP_NAMESEG:
> +    case PARSEOP_NAMESTRING:
> +    case PARSEOP_METHODCALL:
> +
> +        if (!MethodInfo ||
> +            (MethodInfo->Op->Asl.Child == Op) ||
> +            !Op->Asl.Node)
> +        {
> +            break;
> +        }
> +
> +        MethodInfo->CurrentOp = Op;
> +        Node = Op->Asl.Node;
> +        ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
> +
> +        /* Find all objects referenced by this method */
> +
> +        Status = TrWalkParseTree (MethodInfo->Op, ASL_WALK_VISIT_DOWNWARD,
> +            OtXrefAnalysisWalkPart1, NULL, MethodInfo);
> +
> +        if (Status == AE_CTRL_TERMINATE)
> +        {
> +            FlPrintFile (ASL_FILE_XREF_OUTPUT, "            %-40s %s",
> +                ParentPath, AcpiUtGetTypeName (Node->Type));
> +
> +            switch (Node->Type)
> +            {
> +                /* Handle externals */
> +
> +            case ACPI_TYPE_ANY:
> +            case ACPI_TYPE_FIELD_UNIT:
> +
> +                FlPrintFile (ASL_FILE_XREF_OUTPUT, " <External Object>");
> +                break;
> +
> +            case ACPI_TYPE_INTEGER:
> +
> +                FlPrintFile (ASL_FILE_XREF_OUTPUT, " %8.8X%8.8X",
> +                    ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer));
> +                break;
> +
> +            case ACPI_TYPE_METHOD:
> +
> +                FlPrintFile (ASL_FILE_XREF_OUTPUT, " Invocation (%u args)",
> +                    Node->ArgCount);
> +                break;
> +
> +            case ACPI_TYPE_BUFFER_FIELD:
> +
> +                NextOp = Node->Op;              /* Create Buffer Field Op */
> +                switch (NextOp->Asl.ParseOpcode)
> +                {
> +                case PARSEOP_CREATEBITFIELD:
> +                    Length = 1;
> +                    break;
> +
> +                case PARSEOP_CREATEBYTEFIELD:
> +                    Length = 8;
> +                    break;
> +
> +                case PARSEOP_CREATEWORDFIELD:
> +                    Length = 16;
> +                    break;
> +
> +                case PARSEOP_CREATEDWORDFIELD:
> +                    Length = 32;
> +                    break;
> +
> +                case PARSEOP_CREATEQWORDFIELD:
> +                    Length = 64;
> +                    break;
> +
> +                default:
> +                    Length = 0;
> +                    break;
> +                }
> +
> +                NextOp = NextOp->Asl.Child;     /* Buffer name */
> +
> +                if (!NextOp->Asl.ExternalName)
> +                {
> +                    FlPrintFile (ASL_FILE_XREF_OUTPUT, " in Arg/Local");
> +                }
> +                else
> +                {
> +                    ACPI_FREE (ParentPath);
> +                    ParentPath = AcpiNsGetNormalizedPathname (
> +                        NextOp->Asl.Node, TRUE);
> +
> +                    FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Buffer %s",
> +                        Length, ParentPath);
> +                }
> +                break;
> +
> +            case ACPI_TYPE_LOCAL_REGION_FIELD:
> +
> +                NextOp = Node->Op;
> +                FieldOp = NextOp->Asl.Parent;
> +                NextOp = FieldOp->Asl.Child;
> +
> +                ACPI_FREE (ParentPath);
> +                ParentPath = AcpiNsGetNormalizedPathname (
> +                    NextOp->Asl.Node, TRUE);
> +
> +                FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Region %s",
> +                    (UINT32) Node->Op->Asl.Child->Asl.Value.Integer,
> +                    ParentPath);
> +
> +                if (FieldOp->Asl.ParseOpcode == PARSEOP_FIELD)
> +                {
> +                    Node = NextOp->Asl.Node;        /* Region node */
> +                    NextOp = Node->Op;              /* PARSEOP_REGION */
> +                    NextOp = NextOp->Asl.Child;     /* Region name */
> +                    NextOp = NextOp->Asl.Next;
> +
> +                    /* Get region space/addr/len? */
> +
> +                    FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%s)",
> +                        AcpiUtGetRegionName ((UINT8)
> +                        NextOp->Asl.Value.Integer));
> +                }
> +                break;
> +
> +            default:
> +                break;
> +            }
> +
> +            FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n");
> +            ACPI_FREE (ParentPath);
> +        }
> +        break;
> +
> +    case PARSEOP_METHOD:
> +
> +        ParentPath = AcpiNsGetNormalizedPathname (Op->Asl.Node, TRUE);
> +
> +        FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +            "\n[%5u]  %-40s %s Declaration (%u args)\n",
> +            Op->Asl.LogicalLineNumber, ParentPath,
> +            AcpiUtGetTypeName (Op->Asl.Node->Type), Op->Asl.Node->ArgCount);
> +
> +        ACPI_FREE (ParentPath);
> +        break;
> +
> +    default:
> +        break;
> +    }
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtXrefAnalysisWalkPart1
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      Status
> + *
> + * DESCRIPTION: Secondary walk for cross-reference part 1.
> + *
> + ******************************************************************************/
> +
> +static ACPI_STATUS
> +OtXrefAnalysisWalkPart1 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +    ASL_METHOD_INFO         *MethodInfo = (ASL_METHOD_INFO *) Context;
> +    ACPI_PARSE_OBJECT       *Next;
> +
> +
> +    /* Only interested in name string Ops -- ignore all others */
> +
> +    if ((Op->Asl.ParseOpcode != PARSEOP_NAMESEG) &&
> +        (Op->Asl.ParseOpcode != PARSEOP_NAMESTRING) &&
> +        (Op->Asl.ParseOpcode != PARSEOP_METHODCALL))
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* No node means a locally declared object -- ignore */
> +
> +    if (!Op->Asl.Node)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* When we encounter the source Op, we are done */
> +
> +    Next = MethodInfo->CurrentOp;
> +    if (Next == Op)
> +    {
> +        return (AE_CTRL_TERMINATE);
> +    }
> +
> +    /* If we have a name match, this Op is a duplicate */
> +
> +    if ((Next->Asl.ParseOpcode == PARSEOP_NAMESEG)      ||
> +        (Next->Asl.ParseOpcode == PARSEOP_NAMESTRING)   ||
> +        (Next->Asl.ParseOpcode == PARSEOP_METHODCALL))
> +    {
> +        if (!strcmp (Op->Asl.ExternalName, Next->Asl.ExternalName))
> +        {
> +            return (AE_ALREADY_EXISTS);
> +        }
> +    }
> +
> +    return (AE_OK);
> +}
> +
> +
> +/*
> + * Part 2 of the cross reference file. This part emits the names of each
> + * non-predefined method in the namespace (user methods), along with the
> + * names of each control method that references that method.
> + */
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtXrefWalkPart2
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      Status
> + *
> + * DESCRIPTION: For each control method in the namespace, we will re-walk the
> + *              namespace to find each and every invocation of that control
> + *              method. Brute force, but does not matter, even for large
> + *              namespaces. Ignore predefined names (start with underscore).
> + *
> + ******************************************************************************/
> +
> +static ACPI_STATUS
> +OtXrefWalkPart2 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +    ASL_XREF_INFO           *XrefInfo = (ASL_XREF_INFO *) Context;
> +    ACPI_NAMESPACE_NODE     *Node;
> +    char                    *ParentPath;
> +
> +
> +    /* Looking for Method Declaration Ops only */
> +
> +    if (!Op->Asl.Node ||
> +        (Op->Asl.ParseOpcode != PARSEOP_METHOD))
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* Ignore predefined names */
> +
> +    if (Op->Asl.Node->Name.Ascii[0] == '_')
> +    {
> +        XrefInfo->TotalPredefinedMethods++;
> +        return (AE_OK);
> +    }
> +
> +    Node = Op->Asl.Node;
> +    ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "\n[%5u]  %-40s %s Declaration (%u args)\n",
> +        Op->Asl.LogicalLineNumber, ParentPath,
> +        AcpiUtGetTypeName (Node->Type), Node->ArgCount);
> +
> +    XrefInfo->TotalUserMethods++;
> +    XrefInfo->ThisMethodInvocations = 0;
> +    XrefInfo->MethodOp = Op;
> +
> +    (void) TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
> +        OtXrefAnalysisWalkPart2, NULL, XrefInfo);
> +
> +    if (!XrefInfo->ThisMethodInvocations)
> +    {
> +        FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +            "            Zero invocations of this method in this module\n");
> +        XrefInfo->TotalUnreferenceUserMethods++;
> +    }
> +    else
> +    {
> +        FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +            "            %u invocations of method %s in this module\n",
> +            XrefInfo->ThisMethodInvocations, ParentPath);
> +    }
> +
> +    ACPI_FREE (ParentPath);
> +    return (AE_OK);
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtXrefAnalysisWalkPart2
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      Status
> + *
> + * DESCRIPTION: For every Op that is a method invocation, emit a reference
> + *              line if the Op is invoking the target method.
> + *
> + ******************************************************************************/
> +
> +static ACPI_STATUS
> +OtXrefAnalysisWalkPart2 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +    ASL_XREF_INFO           *XrefInfo = (ASL_XREF_INFO *) Context;
> +    ACPI_PARSE_OBJECT       *CallerOp;
> +    char                    *CallerFullPathname;
> +
> +
> +    /* Looking for MethodCall Ops only */
> +
> +    if (!Op->Asl.Node ||
> +        (Op->Asl.ParseOpcode != PARSEOP_METHODCALL))
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* If not a match to the target method, we are done */
> +
> +    if (Op->Asl.Node != XrefInfo->MethodOp->Asl.Node)
> +    {
> +        return (AE_CTRL_DEPTH);
> +    }
> +
> +    /* Find parent method to get method caller namepath */
> +
> +    CallerOp = Op->Asl.Parent;
> +    while (CallerOp &&
> +        (CallerOp->Asl.ParseOpcode != PARSEOP_METHOD))
> +    {
> +        CallerOp = CallerOp->Asl.Parent;
> +    }
> +
> +    /* There is no parent method for External() statements */
> +
> +    if (!CallerOp)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    CallerFullPathname = AcpiNsGetNormalizedPathname (
> +        CallerOp->Asl.Node, TRUE);
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "[%5u]     %-40s Invocation path: %s\n",
> +        Op->Asl.LogicalLineNumber, CallerFullPathname,
> +        Op->Asl.ExternalName);
> +
> +    ACPI_FREE (CallerFullPathname);
> +    XrefInfo->ThisMethodInvocations++;
> +    return (AE_OK);
> +}
> +
> +
> +/*
> + * Part 3 of the cross reference file. This part emits the names of each
> + * non-predefined method in the namespace (user methods), along with the
> + * names of each control method that references that method.
> + */
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtXrefWalkPart3
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      Status
> + *
> + * DESCRIPTION: Cross-reference part 3. references to objects other than
> + *              control methods.
> + *
> + ******************************************************************************/
> +
> +static ACPI_STATUS
> +OtXrefWalkPart3 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +    ASL_XREF_INFO           *XrefInfo = (ASL_XREF_INFO *) Context;
> +    ACPI_NAMESPACE_NODE     *Node;
> +    char                    *ParentPath;
> +    const ACPI_OPCODE_INFO  *OpInfo;
> +
> +
> +    /* Ignore method declarations */
> +
> +    if (!Op->Asl.Node ||
> +        (Op->Asl.ParseOpcode == PARSEOP_METHOD))
> +    {
> +        return (AE_OK);
> +    }
> +
> +    OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
> +    if (!(OpInfo->Class & AML_CLASS_NAMED_OBJECT))
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* Only care about named object creation opcodes */
> +
> +    if ((Op->Asl.ParseOpcode != PARSEOP_NAME) &&
> +        (Op->Asl.ParseOpcode != PARSEOP_DEVICE) &&
> +        (Op->Asl.ParseOpcode != PARSEOP_MUTEX) &&
> +        (Op->Asl.ParseOpcode != PARSEOP_OPERATIONREGION) &&
> +        (Op->Asl.ParseOpcode != PARSEOP_FIELD) &&
> +        (Op->Asl.ParseOpcode != PARSEOP_EVENT))
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* Ignore predefined names */
> +
> +    if (Op->Asl.Node->Name.Ascii[0] == '_')
> +    {
> +        return (AE_OK);
> +    }
> +
> +    Node = Op->Asl.Node;
> +    ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "\n[%5u]  %-40s %s Declaration\n",
> +        Op->Asl.LogicalLineNumber, ParentPath,
> +        AcpiUtGetTypeName (Node->Type));
> +
> +    XrefInfo->MethodOp = Op;
> +    XrefInfo->ThisObjectReferences = 0;
> +    XrefInfo->TotalObjects = 0;
> +
> +    (void) TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
> +        OtXrefAnalysisWalkPart3, NULL, XrefInfo);
> +
> +    if (!XrefInfo->ThisObjectReferences)
> +    {
> +        FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +            "            Zero references to this object in this module\n");
> +        XrefInfo->TotalUnreferencedObjects++;
> +    }
> +    else
> +    {
> +        FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +            "            %u references to this object in this module\n",
> +            XrefInfo->ThisObjectReferences, ParentPath);
> +    }
> +
> +    return (AE_OK);
> +}
> +
> +
> +/*******************************************************************************
> + *
> + * FUNCTION:    OtXrefAnalysisWalkPart3
> + *
> + * PARAMETERS:  ASL_WALK_CALLBACK
> + *
> + * RETURN:      Status
> + *
> + * DESCRIPTION: Secondary walk for cross-reference part 3.
> + *
> + ******************************************************************************/
> +
> +static ACPI_STATUS
> +OtXrefAnalysisWalkPart3 (
> +    ACPI_PARSE_OBJECT       *Op,
> +    UINT32                  Level,
> +    void                    *Context)
> +{
> +    ASL_XREF_INFO           *XrefInfo = (ASL_XREF_INFO *) Context;
> +    char                    *CallerFullPathname;
> +    ACPI_PARSE_OBJECT       *CallerOp;
> +    const char              *Operator;
> +
> +
> +    if (!Op->Asl.Node)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    XrefInfo->TotalObjects++;
> +
> +    /* Ignore Op that actually defined the object */
> +
> +    if (Op == XrefInfo->MethodOp)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* Only interested in Ops that reference the target node */
> +
> +    if (Op->Asl.Node != XrefInfo->MethodOp->Asl.Node)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    /* Find parent "open scope" object to get method caller namepath */
> +
> +    CallerOp = Op->Asl.Parent;
> +    while (CallerOp &&
> +        (CallerOp->Asl.ParseOpcode != PARSEOP_NAME) &&
> +        (CallerOp->Asl.ParseOpcode != PARSEOP_METHOD) &&
> +        (CallerOp->Asl.ParseOpcode != PARSEOP_DEVICE) &&
> +        (CallerOp->Asl.ParseOpcode != PARSEOP_POWERRESOURCE) &&
> +        (CallerOp->Asl.ParseOpcode != PARSEOP_PROCESSOR) &&
> +        (CallerOp->Asl.ParseOpcode != PARSEOP_THERMALZONE))
> +    {
> +        CallerOp = CallerOp->Asl.Parent;
> +    }
> +
> +    /* There are some special cases for the oddball operators */
> +
> +    if (CallerOp)
> +    {
> +        CallerFullPathname = AcpiNsGetNormalizedPathname (
> +            CallerOp->Asl.Node, TRUE);
> +    }
> +    else
> +    {
> +        CallerFullPathname = "<root>";
> +    }
> +
> +    if (CallerOp == XrefInfo->CurrentMethodOp)
> +    {
> +        return (AE_OK);
> +    }
> +
> +    if (Op->Asl.ParseOpcode == PARSEOP_SCOPE)
> +    {
> +        Operator = "Scope";
> +
> +    }
> +    else if (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_ALIAS)
> +    {
> +        Operator = "Alias";
> +    }
> +    else if (!CallerOp)
> +    {
> +        Operator = "ModLevel";
> +    }
> +    else
> +    {
> +        Operator = AcpiUtGetTypeName (CallerOp->Asl.Node->Type);
> +    }
> +
> +    FlPrintFile (ASL_FILE_XREF_OUTPUT,
> +        "[%5u]     %-40s %-8s via path: %s, Operator: %s\n",
> +        Op->Asl.LogicalLineNumber,
> +        CallerFullPathname,
> +        Operator,
> +        Op->Asl.ExternalName,
> +        Op->Asl.Parent->Asl.ParseOpName);
> +
> +    if (!CallerOp)
> +    {
> +        CallerOp = ACPI_TO_POINTER (0xFFFFFFFF);
> +    }
> +
> +    XrefInfo->CurrentMethodOp = CallerOp;
> +    XrefInfo->ThisObjectReferences++;
> +    return (AE_OK);
> +}
> diff --git a/src/acpica/source/compiler/dtparser.y b/src/acpica/source/compiler/dtparser.y
> index 0706197..d66936e 100644
> --- a/src/acpica/source/compiler/dtparser.y
> +++ b/src/acpica/source/compiler/dtparser.y
> @@ -241,15 +241,15 @@ Expression
>
>         /* Default base for a non-prefixed integer is 16 */
>
> -    | EXPOP_NUMBER                                  { stroul64 (DtParsertext, 16, &$$);}
> +    | EXPOP_NUMBER                                  { AcpiUtStrtoul64 (DtParsertext, 16, &$$);}
>
>         /* Standard hex number (0x1234) */
>
> -    | EXPOP_HEX_NUMBER                              { stroul64 (DtParsertext, 16, &$$);}
> +    | EXPOP_HEX_NUMBER                              { AcpiUtStrtoul64 (DtParsertext, 16, &$$);}
>
> -      /* TBD: Decimal number with prefix (0d1234) - Not supported by stroul64 at this time */
> +      /* TBD: Decimal number with prefix (0d1234) - Not supported by strtoul64 at this time */
>
> -    | EXPOP_DECIMAL_NUMBER                          { stroul64 (DtParsertext, 10, &$$);}
> +    | EXPOP_DECIMAL_NUMBER                          { AcpiUtStrtoul64 (DtParsertext, 10, &$$);}
>       ;
>   %%
>
> diff --git a/src/acpica/source/compiler/prparser.y b/src/acpica/source/compiler/prparser.y
> index 39cb8b7..b69a3a4 100644
> --- a/src/acpica/source/compiler/prparser.y
> +++ b/src/acpica/source/compiler/prparser.y
> @@ -254,11 +254,11 @@ Expression
>
>         /* Default base for a non-prefixed integer is 10 */
>
> -    | EXPOP_NUMBER                                  { stroul64 (PrParsertext, 10, &$$);}
> +    | EXPOP_NUMBER                                  { AcpiUtStrtoul64 (PrParsertext, 10, &$$);}
>
>         /* Standard hex number (0x1234) */
>
> -    | EXPOP_HEX_NUMBER                              { stroul64 (PrParsertext, 16, &$$);}
> +    | EXPOP_HEX_NUMBER                              { AcpiUtStrtoul64 (PrParsertext, 16, &$$);}
>       ;
>   %%
>
> diff --git a/src/acpica/source/compiler/prscan.c b/src/acpica/source/compiler/prscan.c
> index e30e33d..3fab524 100644
> --- a/src/acpica/source/compiler/prscan.c
> +++ b/src/acpica/source/compiler/prscan.c
> @@ -406,8 +406,7 @@ PrPreprocessInputFile (
>           Gbl_CurrentLineNumber++;
>           Gbl_LogicalLineNumber++;
>
> -        if ((Status == ASL_WITHIN_COMMENT) ||
> -            (Status == ASL_BLANK_LINE))
> +        if (Status == ASL_IGNORE_LINE)
>           {
>               goto WriteEntireLine;
>           }
> @@ -942,7 +941,8 @@ SyntaxError:
>    *
>    * RETURN:      Status of the GetLine operation:
>    *              AE_OK               - Normal line, OK status
> - *              ASL_WITHIN_COMMENT  - Line is part of a multi-line comment
> + *              ASL_IGNORE_LINE     - Line is blank or part of a multi-line
> + *                                      comment
>    *              ASL_EOF             - End-of-file reached
>    *
>    * DESCRIPTION: Get the next text line from the input file. Does not strip
> @@ -1058,7 +1058,7 @@ PrGetNextLine (
>
>               if (AcpiGbl_LineScanState == PR_MULTI_LINE_COMMENT)
>               {
> -                return (ASL_WITHIN_COMMENT);
> +                return (ASL_IGNORE_LINE);
>               }
>
>               /* End of single-line comment */
> @@ -1073,7 +1073,7 @@ PrGetNextLine (
>
>               if (i == 1)
>               {
> -                return (ASL_BLANK_LINE);
> +                return (ASL_IGNORE_LINE);
>               }
>
>               return (AE_OK);
> diff --git a/src/acpica/source/components/debugger/dbcmds.c b/src/acpica/source/components/debugger/dbcmds.c
> index 8668120..52a9e90 100644
> --- a/src/acpica/source/components/debugger/dbcmds.c
> +++ b/src/acpica/source/components/debugger/dbcmds.c
> @@ -477,7 +477,7 @@ AcpiDbDisplayTableInfo (
>           {
>               /* If the pointer is null, the table has been unloaded */
>
> -            ACPI_INFO ((AE_INFO, "%4.4s - Table has been unloaded",
> +            ACPI_INFO (("%4.4s - Table has been unloaded",
>                   TableDesc->Signature.Ascii));
>           }
>       }
> diff --git a/src/acpica/source/components/debugger/dbconvert.c b/src/acpica/source/components/debugger/dbconvert.c
> index 302d2e6..968a2d7 100644
> --- a/src/acpica/source/components/debugger/dbconvert.c
> +++ b/src/acpica/source/components/debugger/dbconvert.c
> @@ -537,7 +537,7 @@ AcpiDbDumpPldBuffer (
>       NewBuffer = AcpiDbEncodePldBuffer (PldInfo);
>       if (!NewBuffer)
>       {
> -        return;
> +        goto Exit;
>       }
>
>       /* The two bit-packed buffers should match */
> @@ -596,6 +596,7 @@ AcpiDbDumpPldBuffer (
>           AcpiOsPrintf (ACPI_PLD_OUTPUT, "PLD_HorizontalOffset", PldInfo->HorizontalOffset);
>       }
>
> -    ACPI_FREE (PldInfo);
>       ACPI_FREE (NewBuffer);
> +Exit:
> +    ACPI_FREE (PldInfo);
>   }
> diff --git a/src/acpica/source/components/disassembler/dmopcode.c b/src/acpica/source/components/disassembler/dmopcode.c
> index 5ea815c..45b9f7d 100644
> --- a/src/acpica/source/components/disassembler/dmopcode.c
> +++ b/src/acpica/source/components/disassembler/dmopcode.c
> @@ -1041,6 +1041,10 @@ AcpiDmDisassembleOneOp (
>           AcpiDmConvertToElseIf (Op);
>           break;
>
> +    case AML_EXTERNAL_OP:
> +
> +        break;
> +
>       default:
>
>           /* Just get the opcode name and print it */
> diff --git a/src/acpica/source/components/disassembler/dmwalk.c b/src/acpica/source/components/disassembler/dmwalk.c
> index bf6ef2e..11c78f1 100644
> --- a/src/acpica/source/components/disassembler/dmwalk.c
> +++ b/src/acpica/source/components/disassembler/dmwalk.c
> @@ -482,6 +482,7 @@ AcpiDmDescendingOp (
>       const ACPI_OPCODE_INFO  *OpInfo;
>       UINT32                  Name;
>       ACPI_PARSE_OBJECT       *NextOp;
> +    ACPI_PARSE_OBJECT       *NextOp2;
>       UINT32                  AmlOffset;
>
>
> @@ -508,8 +509,7 @@ AcpiDmDescendingOp (
>                       AcpiUtDumpBuffer (
>                           (Info->StartAml + Info->AmlOffset),
>                           (Op->Common.Aml - Info->PreviousAml),
> -                        DB_BYTE_DISPLAY,
> -                        Info->AmlOffset);
> +                        DB_BYTE_DISPLAY, Info->AmlOffset);
>                       AcpiOsPrintf ("\n");
>                   }
>
> @@ -527,6 +527,33 @@ AcpiDmDescendingOp (
>           return (AE_CTRL_DEPTH);
>       }
>
> +    if (Op->Common.AmlOpcode == AML_IF_OP)
> +    {
> +        NextOp = AcpiPsGetDepthNext (NULL, Op);
> +        if (NextOp)
> +        {
> +            NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
> +        }
> +
> +        /*
> +         * A Zero predicate indicates the possibility of one or more
> +         * External() opcodes within the If() block.
> +         */
> +        if (NextOp->Common.AmlOpcode == AML_ZERO_OP)
> +        {
> +            NextOp2 = NextOp->Common.Next;
> +
> +            if (NextOp2 &&
> +                (NextOp2->Common.AmlOpcode == AML_EXTERNAL_OP))
> +            {
> +                /* Ignore the If 0 block and all children */
> +
> +                Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
> +                return (AE_CTRL_DEPTH);
> +            }
> +        }
> +    }
> +
>       /* Level 0 is at the Definition Block level */
>
>       if (Level == 0)
> @@ -860,8 +887,8 @@ AcpiDmDescendingOp (
>               NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
>               return (AE_OK);
>
> -        case AML_VAR_PACKAGE_OP:
>           case AML_IF_OP:
> +        case AML_VAR_PACKAGE_OP:
>           case AML_WHILE_OP:
>
>               /* The next op is the size or predicate parameter */
> diff --git a/src/acpica/source/components/dispatcher/dsmethod.c b/src/acpica/source/components/dispatcher/dsmethod.c
> index 393b1d0..a861838 100644
> --- a/src/acpica/source/components/dispatcher/dsmethod.c
> +++ b/src/acpica/source/components/dispatcher/dsmethod.c
> @@ -939,7 +939,7 @@ AcpiDsTerminateControlMethod (
>           {
>               if (WalkState)
>               {
> -                ACPI_INFO ((AE_INFO,
> +                ACPI_INFO ((
>                       "Marking method %4.4s as Serialized "
>                       "because of AE_ALREADY_EXISTS error",
>                       WalkState->MethodNode->Name.Ascii));
> diff --git a/src/acpica/source/components/dispatcher/dsobject.c b/src/acpica/source/components/dispatcher/dsobject.c
> index 8dac6c9..47e527e 100644
> --- a/src/acpica/source/components/dispatcher/dsobject.c
> +++ b/src/acpica/source/components/dispatcher/dsobject.c
> @@ -610,7 +610,7 @@ AcpiDsBuildInternalPackageObj (
>               Arg = Arg->Common.Next;
>           }
>
> -        ACPI_INFO ((AE_INFO,
> +        ACPI_INFO ((
>               "Actual Package length (%u) is larger than "
>               "NumElements field (%u), truncated",
>               i, ElementCount));
> diff --git a/src/acpica/source/components/events/evgpeblk.c b/src/acpica/source/components/events/evgpeblk.c
> index 392ba37..dac8b71 100644
> --- a/src/acpica/source/components/events/evgpeblk.c
> +++ b/src/acpica/source/components/events/evgpeblk.c
> @@ -614,7 +614,7 @@ AcpiEvInitializeGpeBlock (
>
>       if (GpeEnabledCount)
>       {
> -        ACPI_INFO ((AE_INFO,
> +        ACPI_INFO ((
>               "Enabled %u GPEs in block %02X to %02X", GpeEnabledCount,
>               (UINT32) GpeBlock->BlockBaseNumber,
>               (UINT32) (GpeBlock->BlockBaseNumber + (GpeBlock->GpeCount - 1))));
> diff --git a/src/acpica/source/components/events/evgpeinit.c b/src/acpica/source/components/events/evgpeinit.c
> index 5bb554b..2ad4785 100644
> --- a/src/acpica/source/components/events/evgpeinit.c
> +++ b/src/acpica/source/components/events/evgpeinit.c
> @@ -364,7 +364,7 @@ AcpiEvUpdateGpes (
>
>       if (WalkInfo.Count)
>       {
> -        ACPI_INFO ((AE_INFO, "Enabled %u new GPEs", WalkInfo.Count));
> +        ACPI_INFO (("Enabled %u new GPEs", WalkInfo.Count));
>       }
>
>       (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
> diff --git a/src/acpica/source/components/events/evregion.c b/src/acpica/source/components/events/evregion.c
> index ed32b17..9e1aa1c 100644
> --- a/src/acpica/source/components/events/evregion.c
> +++ b/src/acpica/source/components/events/evregion.c
> @@ -171,7 +171,6 @@ AcpiEvInitializeOpRegions (
>
>       /* Run the _REG methods for OpRegions in each default address space */
>
> -    AcpiGbl_RegMethodsEnabled = TRUE;
>       for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++)
>       {
>           /*
> @@ -709,7 +708,7 @@ AcpiEvExecuteRegMethod (
>
>       if (RegionObj2->Extra.Method_REG == NULL ||
>           RegionObj->Region.Handler == NULL ||
> -        !AcpiGbl_RegMethodsEnabled)
> +        !AcpiGbl_NamespaceInitialized)
>       {
>           return_ACPI_STATUS (AE_OK);
>       }
> diff --git a/src/acpica/source/components/executer/exconfig.c b/src/acpica/source/components/executer/exconfig.c
> index bff70d0..eea6e2a 100644
> --- a/src/acpica/source/components/executer/exconfig.c
> +++ b/src/acpica/source/components/executer/exconfig.c
> @@ -349,7 +349,7 @@ AcpiExLoadTableOp (
>       Status = AcpiGetTableByIndex (TableIndex, &Table);
>       if (ACPI_SUCCESS (Status))
>       {
> -        ACPI_INFO ((AE_INFO, "Dynamic OEM Table Load:"));
> +        ACPI_INFO (("Dynamic OEM Table Load:"));
>           AcpiTbPrintTableHeader (0, Table);
>       }
>
> @@ -589,7 +589,7 @@ AcpiExLoadOp (
>
>       /* Install the new table into the local data structures */
>
> -    ACPI_INFO ((AE_INFO, "Dynamic OEM Table Load:"));
> +    ACPI_INFO (("Dynamic OEM Table Load:"));
>       (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
>
>       Status = AcpiTbInstallStandardTable (ACPI_PTR_TO_PHYSADDR (Table),
> diff --git a/src/acpica/source/components/executer/exoparg3.c b/src/acpica/source/components/executer/exoparg3.c
> index 4d979c5..d450190 100644
> --- a/src/acpica/source/components/executer/exoparg3.c
> +++ b/src/acpica/source/components/executer/exoparg3.c
> @@ -207,8 +207,10 @@ AcpiExOpcode_3A_0T_0R (
>            * op is intended for use by disassemblers in order to properly
>            * disassemble control method invocations. The opcode or group of
>            * opcodes should be surrounded by an "if (0)" clause to ensure that
> -         * AML interpreters never see the opcode.
> +         * AML interpreters never see the opcode. Thus, something is
> +         * wrong if an external opcode ever gets here.
>            */
> +        ACPI_ERROR ((AE_INFO, "Executed External Op"));
>           Status = AE_OK;
>           goto Cleanup;
>
> diff --git a/src/acpica/source/components/hardware/hwxfsleep.c b/src/acpica/source/components/hardware/hwxfsleep.c
> index 47ffeae..5959351 100644
> --- a/src/acpica/source/components/hardware/hwxfsleep.c
> +++ b/src/acpica/source/components/hardware/hwxfsleep.c
> @@ -169,7 +169,7 @@ static ACPI_SLEEP_FUNCTIONS         AcpiSleepDispatch[] =
>    *              PhysicalAddress     - 32-bit physical address of ACPI real mode
>    *                                    entry point
>    *              PhysicalAddress64   - 64-bit physical address of ACPI protected
> - *                                    entry point
> + *                                    mode entry point
>    *
>    * RETURN:      Status
>    *
> @@ -225,7 +225,7 @@ AcpiHwSetFirmwareWakingVector (
>    * PARAMETERS:  PhysicalAddress     - 32-bit physical address of ACPI real mode
>    *                                    entry point
>    *              PhysicalAddress64   - 64-bit physical address of ACPI protected
> - *                                    entry point
> + *                                    mode entry point
>    *
>    * RETURN:      Status
>    *
> diff --git a/src/acpica/source/components/namespace/nseval.c b/src/acpica/source/components/namespace/nseval.c
> index a5cc2f6..895d621 100644
> --- a/src/acpica/source/components/namespace/nseval.c
> +++ b/src/acpica/source/components/namespace/nseval.c
> @@ -469,7 +469,7 @@ AcpiNsExecModuleCodeList (
>           AcpiUtRemoveReference (Prev);
>       }
>
> -    ACPI_INFO ((AE_INFO,
> +    ACPI_INFO ((
>           "Executed %u blocks of module-level executable AML code",
>           MethodCount));
>
> diff --git a/src/acpica/source/components/namespace/nsinit.c b/src/acpica/source/components/namespace/nsinit.c
> index 838f02a..c26dd03 100644
> --- a/src/acpica/source/components/namespace/nsinit.c
> +++ b/src/acpica/source/components/namespace/nsinit.c
> @@ -118,6 +118,7 @@
>   #include "acnamesp.h"
>   #include "acdispat.h"
>   #include "acinterp.h"
> +#include "acevents.h"
>
>   #define _COMPONENT          ACPI_NAMESPACE
>           ACPI_MODULE_NAME    ("nsinit")
> @@ -223,84 +224,112 @@ AcpiNsInitializeObjects (
>
>   ACPI_STATUS
>   AcpiNsInitializeDevices (
> -    void)
> +    UINT32                  Flags)
>   {
> -    ACPI_STATUS             Status;
> +    ACPI_STATUS             Status = AE_OK;
>       ACPI_DEVICE_WALK_INFO   Info;
>
>
>       ACPI_FUNCTION_TRACE (NsInitializeDevices);
>
>
> -    /* Init counters */
> +    if (!(Flags & ACPI_NO_DEVICE_INIT))
> +    {
> +        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
> +            "[Init] Initializing ACPI Devices\n"));
>
> -    Info.DeviceCount = 0;
> -    Info.Num_STA = 0;
> -    Info.Num_INI = 0;
> +        /* Init counters */
>
> -    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
> -        "Initializing Device/Processor/Thermal objects "
> -        "and executing _INI/_STA methods:\n"));
> +        Info.DeviceCount = 0;
> +        Info.Num_STA = 0;
> +        Info.Num_INI = 0;
>
> -    /* Tree analysis: find all subtrees that contain _INI methods */
> +        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
> +            "Initializing Device/Processor/Thermal objects "
> +            "and executing _INI/_STA methods:\n"));
>
> -    Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
> -        ACPI_UINT32_MAX, FALSE, AcpiNsFindIniMethods, NULL, &Info, NULL);
> -    if (ACPI_FAILURE (Status))
> -    {
> -        goto ErrorExit;
> -    }
> +        /* Tree analysis: find all subtrees that contain _INI methods */
>
> -    /* Allocate the evaluation information block */
> +        Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
> +            ACPI_UINT32_MAX, FALSE, AcpiNsFindIniMethods, NULL, &Info, NULL);
> +        if (ACPI_FAILURE (Status))
> +        {
> +            goto ErrorExit;
> +        }
>
> -    Info.EvaluateInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
> -    if (!Info.EvaluateInfo)
> -    {
> -        Status = AE_NO_MEMORY;
> -        goto ErrorExit;
> -    }
> +        /* Allocate the evaluation information block */
>
> -    /*
> -     * Execute the "global" _INI method that may appear at the root. This
> -     * support is provided for Windows compatibility (Vista+) and is not
> -     * part of the ACPI specification.
> -     */
> -    Info.EvaluateInfo->PrefixNode = AcpiGbl_RootNode;
> -    Info.EvaluateInfo->RelativePathname = METHOD_NAME__INI;
> -    Info.EvaluateInfo->Parameters = NULL;
> -    Info.EvaluateInfo->Flags = ACPI_IGNORE_RETURN_VALUE;
> +        Info.EvaluateInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
> +        if (!Info.EvaluateInfo)
> +        {
> +            Status = AE_NO_MEMORY;
> +            goto ErrorExit;
> +        }
>
> -    Status = AcpiNsEvaluate (Info.EvaluateInfo);
> -    if (ACPI_SUCCESS (Status))
> -    {
> -        Info.Num_INI++;
> +        /*
> +         * Execute the "global" _INI method that may appear at the root.
> +         * This support is provided for Windows compatibility (Vista+) and
> +         * is not part of the ACPI specification.
> +         */
> +        Info.EvaluateInfo->PrefixNode = AcpiGbl_RootNode;
> +        Info.EvaluateInfo->RelativePathname = METHOD_NAME__INI;
> +        Info.EvaluateInfo->Parameters = NULL;
> +        Info.EvaluateInfo->Flags = ACPI_IGNORE_RETURN_VALUE;
> +
> +        Status = AcpiNsEvaluate (Info.EvaluateInfo);
> +        if (ACPI_SUCCESS (Status))
> +        {
> +            Info.Num_INI++;
> +        }
>       }
>
> -    /* Walk namespace to execute all _INIs on present devices */
> -
> -    Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
> -        ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, NULL, &Info, NULL);
> -
>       /*
> -     * Any _OSI requests should be completed by now. If the BIOS has
> -     * requested any Windows OSI strings, we will always truncate
> -     * I/O addresses to 16 bits -- for Windows compatibility.
> +     * Run all _REG methods
> +     *
> +     * Note: Any objects accessed by the _REG methods will be automatically
> +     * initialized, even if they contain executable AML (see the call to
> +     * AcpiNsInitializeObjects below).
>        */
> -    if (AcpiGbl_OsiData >= ACPI_OSI_WIN_2000)
> +    if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
>       {
> -        AcpiGbl_TruncateIoAddresses = TRUE;
> +        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
> +            "[Init] Executing _REG OpRegion methods\n"));
> +
> +        Status = AcpiEvInitializeOpRegions ();
> +        if (ACPI_FAILURE (Status))
> +        {
> +            goto ErrorExit;
> +        }
>       }
>
> -    ACPI_FREE (Info.EvaluateInfo);
> -    if (ACPI_FAILURE (Status))
> +    if (!(Flags & ACPI_NO_DEVICE_INIT))
>       {
> -        goto ErrorExit;
> -    }
> +        /* Walk namespace to execute all _INIs on present devices */
>
> -    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
> -        "    Executed %u _INI methods requiring %u _STA executions "
> -        "(examined %u objects)\n",
> -        Info.Num_INI, Info.Num_STA, Info.DeviceCount));
> +        Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
> +            ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, NULL, &Info, NULL);
> +
> +        /*
> +         * Any _OSI requests should be completed by now. If the BIOS has
> +         * requested any Windows OSI strings, we will always truncate
> +         * I/O addresses to 16 bits -- for Windows compatibility.
> +         */
> +        if (AcpiGbl_OsiData >= ACPI_OSI_WIN_2000)
> +        {
> +            AcpiGbl_TruncateIoAddresses = TRUE;
> +        }
> +
> +        ACPI_FREE (Info.EvaluateInfo);
> +        if (ACPI_FAILURE (Status))
> +        {
> +            goto ErrorExit;
> +        }
> +
> +        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
> +            "    Executed %u _INI methods requiring %u _STA executions "
> +            "(examined %u objects)\n",
> +            Info.Num_INI, Info.Num_STA, Info.DeviceCount));
> +    }
>
>       return_ACPI_STATUS (Status);
>
> diff --git a/src/acpica/source/components/parser/psargs.c b/src/acpica/source/components/parser/psargs.c
> index c5a8b09..db2fdd8 100644
> --- a/src/acpica/source/components/parser/psargs.c
> +++ b/src/acpica/source/components/parser/psargs.c
> @@ -370,7 +370,7 @@ AcpiPsGetNextNamepath (
>           PossibleMethodCall &&
>           (Node->Type == ACPI_TYPE_METHOD))
>       {
> -        if (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) == ARGP_SUPERNAME)
> +        if (WalkState->Opcode == AML_UNLOAD_OP)
>           {
>               /*
>                * AcpiPsGetNextNamestring has increased the AML pointer,
> @@ -816,7 +816,7 @@ AcpiPsGetNextField (
>    *
>    * PARAMETERS:  WalkState           - Current state
>    *              ParserState         - Current parser state object
> - *              ArgType             - The parser argument type (ARGP_*)
> + *              ArgType             - The argument type (AML_*_ARG)
>    *              ReturnArg           - Where the next arg is returned
>    *
>    * RETURN:      Status, and an op object containing the next argument.
> @@ -945,9 +945,9 @@ AcpiPsGetNextArg (
>                   return_ACPI_STATUS (AE_NO_MEMORY);
>               }
>
> -            /* SuperName allows argument to be a method call */
> +            /* To support SuperName arg of Unload */
>
> -            if (ArgType == ARGP_SUPERNAME)
> +            if (WalkState->Opcode == AML_UNLOAD_OP)
>               {
>                   Status = AcpiPsGetNextNamepath (WalkState, ParserState,
>                       Arg, ACPI_POSSIBLE_METHOD_CALL);
> diff --git a/src/acpica/source/components/tables/tbinstal.c b/src/acpica/source/components/tables/tbinstal.c
> index a0d834d..85fcedc 100644
> --- a/src/acpica/source/components/tables/tbinstal.c
> +++ b/src/acpica/source/components/tables/tbinstal.c
> @@ -364,7 +364,7 @@ AcpiTbInstallStandardTable (
>           AcpiGbl_DisableSsdtTableInstall &&
>           ACPI_COMPARE_NAME (&NewTableDesc.Signature, ACPI_SIG_SSDT))
>       {
> -        ACPI_INFO ((AE_INFO,
> +        ACPI_INFO ((
>               "Ignoring installation of %4.4s at %8.8X%8.8X",
>               NewTableDesc.Signature.Ascii, ACPI_FORMAT_UINT64 (Address)));
>           goto ReleaseAndExit;
> @@ -536,7 +536,7 @@ FinishOverride:
>           return;
>       }
>
> -    ACPI_INFO ((AE_INFO, "%4.4s 0x%8.8X%8.8X"
> +    ACPI_INFO (("%4.4s 0x%8.8X%8.8X"
>           " %s table override, new table: 0x%8.8X%8.8X",
>           OldTableDesc->Signature.Ascii,
>           ACPI_FORMAT_UINT64 (OldTableDesc->Address),
> diff --git a/src/acpica/source/components/tables/tbprint.c b/src/acpica/source/components/tables/tbprint.c
> index 0bb0df0..a5a7980 100644
> --- a/src/acpica/source/components/tables/tbprint.c
> +++ b/src/acpica/source/components/tables/tbprint.c
> @@ -221,7 +221,7 @@ AcpiTbPrintTableHeader (
>       {
>           /* FACS only has signature and length fields */
>
> -        ACPI_INFO ((AE_INFO, "%-4.4s 0x%8.8X%8.8X %06X",
> +        ACPI_INFO (("%-4.4s 0x%8.8X%8.8X %06X",
>               Header->Signature, ACPI_FORMAT_UINT64 (Address),
>               Header->Length));
>       }
> @@ -233,7 +233,7 @@ AcpiTbPrintTableHeader (
>               Header)->OemId, ACPI_OEM_ID_SIZE);
>           AcpiTbFixString (LocalHeader.OemId, ACPI_OEM_ID_SIZE);
>
> -        ACPI_INFO ((AE_INFO, "RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)",
> +        ACPI_INFO (("RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)",
>               ACPI_FORMAT_UINT64 (Address),
>               (ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision > 0) ?
>                   ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Length : 20,
> @@ -246,7 +246,7 @@ AcpiTbPrintTableHeader (
>
>           AcpiTbCleanupTableHeader (&LocalHeader, Header);
>
> -        ACPI_INFO ((AE_INFO,
> +        ACPI_INFO ((
>               "%-4.4s 0x%8.8X%8.8X"
>               " %06X (v%.2d %-6.6s %-8.8s %08X %-4.4s %08X)",
>               LocalHeader.Signature, ACPI_FORMAT_UINT64 (Address),
> diff --git a/src/acpica/source/components/tables/tbutils.c b/src/acpica/source/components/tables/tbutils.c
> index 13f020d..ba6d2f9 100644
> --- a/src/acpica/source/components/tables/tbutils.c
> +++ b/src/acpica/source/components/tables/tbutils.c
> @@ -257,7 +257,7 @@ AcpiTbCopyDsdt (
>           ACPI_PTR_TO_PHYSADDR (NewTable),
>           ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, NewTable);
>
> -    ACPI_INFO ((AE_INFO,
> +    ACPI_INFO ((
>           "Forced DSDT copy: length 0x%05X copied locally, original unmapped",
>           NewTable->Length));
>
> diff --git a/src/acpica/source/components/tables/tbxfload.c b/src/acpica/source/components/tables/tbxfload.c
> index bce2db5..9de6979 100644
> --- a/src/acpica/source/components/tables/tbxfload.c
> +++ b/src/acpica/source/components/tables/tbxfload.c
> @@ -119,6 +119,7 @@
>   #include "accommon.h"
>   #include "acnamesp.h"
>   #include "actables.h"
> +#include "acevents.h"
>
>   #define _COMPONENT          ACPI_TABLES
>           ACPI_MODULE_NAME    ("tbxfload")
> @@ -146,6 +147,28 @@ AcpiLoadTables (
>       ACPI_FUNCTION_TRACE (AcpiLoadTables);
>
>
> +    /*
> +     * Install the default operation region handlers. These are the
> +     * handlers that are defined by the ACPI specification to be
> +     * "always accessible" -- namely, SystemMemory, SystemIO, and
> +     * PCI_Config. This also means that no _REG methods need to be
> +     * run for these address spaces. We need to have these handlers
> +     * installed before any AML code can be executed, especially any
> +     * module-level code (11/2015).
> +     * Note that we allow OSPMs to install their own region handlers
> +     * between AcpiInitializeSubsystem() and AcpiLoadTables() to use
> +     * their customized default region handlers.
> +     */
> +    if (AcpiGbl_GroupModuleLevelCode)
> +    {
> +        Status = AcpiEvInstallRegionHandlers ();
> +        if (ACPI_FAILURE (Status) && Status != AE_ALREADY_EXISTS)
> +        {
> +            ACPI_EXCEPTION ((AE_INFO, Status, "During Region initialization"));
> +            return_ACPI_STATUS (Status);
> +        }
> +    }
> +
>       /* Load the namespace from the tables */
>
>       Status = AcpiTbLoadNamespace ();
> @@ -299,7 +322,7 @@ AcpiTbLoadNamespace (
>
>       if (!TablesFailed)
>       {
> -        ACPI_INFO ((AE_INFO,
> +        ACPI_INFO ((
>               "%u ACPI AML tables successfully acquired and loaded\n",
>               TablesLoaded));
>       }
> @@ -412,7 +435,7 @@ AcpiLoadTable (
>
>       /* Install the table and load it into the namespace */
>
> -    ACPI_INFO ((AE_INFO, "Host-directed Dynamic ACPI Table Load:"));
> +    ACPI_INFO (("Host-directed Dynamic ACPI Table Load:"));
>       (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
>
>       Status = AcpiTbInstallStandardTable (ACPI_PTR_TO_PHYSADDR (Table),
> diff --git a/src/acpica/source/components/utilities/utcache.c b/src/acpica/source/components/utilities/utcache.c
> index 5c5a76a..a47d394 100644
> --- a/src/acpica/source/components/utilities/utcache.c
> +++ b/src/acpica/source/components/utilities/utcache.c
> @@ -351,7 +351,7 @@ AcpiOsAcquireObject (
>       void                    *Object;
>
>
> -    ACPI_FUNCTION_NAME (OsAcquireObject);
> +    ACPI_FUNCTION_TRACE (OsAcquireObject);
>
>
>       if (!Cache)
> diff --git a/src/acpica/source/components/utilities/utdecode.c b/src/acpica/source/components/utilities/utdecode.c
> index 15ab305..7d1180d 100644
> --- a/src/acpica/source/components/utilities/utdecode.c
> +++ b/src/acpica/source/components/utilities/utdecode.c
> @@ -578,7 +578,7 @@ AcpiUtGetMutexName (
>
>   /* Names for Notify() values, used for debug output */
>
> -static const char           *AcpiGbl_GenericNotify[ACPI_NOTIFY_MAX + 1] =
> +static const char           *AcpiGbl_GenericNotify[ACPI_GENERIC_NOTIFY_MAX + 1] =
>   {
>       /* 00 */ "Bus Check",
>       /* 01 */ "Device Check",
> @@ -592,32 +592,35 @@ static const char           *AcpiGbl_GenericNotify[ACPI_NOTIFY_MAX + 1] =
>       /* 09 */ "Device PLD Check",
>       /* 0A */ "Reserved",
>       /* 0B */ "System Locality Update",
> -    /* 0C */ "Shutdown Request",
> +    /* 0C */ "Shutdown Request", /* Reserved in ACPI 6.0 */
>       /* 0D */ "System Resource Affinity Update"
>   };
>
> -static const char           *AcpiGbl_DeviceNotify[4] =
> +static const char           *AcpiGbl_DeviceNotify[5] =
>   {
>       /* 80 */ "Status Change",
>       /* 81 */ "Information Change",
>       /* 82 */ "Device-Specific Change",
> -    /* 83 */ "Device-Specific Change"
> +    /* 83 */ "Device-Specific Change",
> +    /* 84 */ "Reserved"
>   };
>
> -static const char           *AcpiGbl_ProcessorNotify[4] =
> +static const char           *AcpiGbl_ProcessorNotify[5] =
>   {
>       /* 80 */ "Performance Capability Change",
>       /* 81 */ "C-State Change",
>       /* 82 */ "Throttling Capability Change",
> -    /* 83 */ "Device-Specific Change"
> +    /* 83 */ "Guaranteed Change",
> +    /* 84 */ "Minimum Excursion"
>   };
>
> -static const char           *AcpiGbl_ThermalNotify[4] =
> +static const char           *AcpiGbl_ThermalNotify[5] =
>   {
>       /* 80 */ "Thermal Status Change",
>       /* 81 */ "Thermal Trip Point Change",
>       /* 82 */ "Thermal Device List Change",
> -    /* 83 */ "Thermal Relationship Change"
> +    /* 83 */ "Thermal Relationship Change",
> +    /* 84 */ "Reserved"
>   };
>
>
> @@ -627,23 +630,23 @@ AcpiUtGetNotifyName (
>       ACPI_OBJECT_TYPE        Type)
>   {
>
> -    /* 00 - 0D are common to all object types */
> +    /* 00 - 0D are "common to all object types" (from ACPI Spec) */
>
> -    if (NotifyValue <= ACPI_NOTIFY_MAX)
> +    if (NotifyValue <= ACPI_GENERIC_NOTIFY_MAX)
>       {
>           return (AcpiGbl_GenericNotify[NotifyValue]);
>       }
>
> -    /* 0D - 7F are reserved */
> +    /* 0E - 7F are reserved */
>
>       if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
>       {
>           return ("Reserved");
>       }
>
> -    /* 80 - 83 are per-object-type */
> +    /* 80 - 84 are per-object-type */
>
> -    if (NotifyValue <= 0x83)
> +    if (NotifyValue <= ACPI_SPECIFIC_NOTIFY_MAX)
>       {
>           switch (Type)
>           {
> diff --git a/src/acpica/source/components/utilities/utnonansi.c b/src/acpica/source/components/utilities/utnonansi.c
> index ad848be..47413cd 100644
> --- a/src/acpica/source/components/utilities/utnonansi.c
> +++ b/src/acpica/source/components/utilities/utnonansi.c
> @@ -236,6 +236,82 @@ AcpiUtStricmp (
>   }
>
>
> +#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
> +/*******************************************************************************
> + *
> + * FUNCTION:    AcpiUtSafeStrcpy, AcpiUtSafeStrcat, AcpiUtSafeStrncat
> + *
> + * PARAMETERS:  Adds a "DestSize" parameter to each of the standard string
> + *              functions. This is the size of the Destination buffer.
> + *
> + * RETURN:      TRUE if the operation would overflow the destination buffer.
> + *
> + * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that
> + *              the result of the operation will not overflow the output string
> + *              buffer.
> + *
> + * NOTE:        These functions are typically only helpful for processing
> + *              user input and command lines. For most ACPICA code, the
> + *              required buffer length is precisely calculated before buffer
> + *              allocation, so the use of these functions is unnecessary.
> + *
> + ******************************************************************************/
> +
> +BOOLEAN
> +AcpiUtSafeStrcpy (
> +    char                    *Dest,
> +    ACPI_SIZE               DestSize,
> +    char                    *Source)
> +{
> +
> +    if (strlen (Source) >= DestSize)
> +    {
> +        return (TRUE);
> +    }
> +
> +    strcpy (Dest, Source);
> +    return (FALSE);
> +}
> +
> +BOOLEAN
> +AcpiUtSafeStrcat (
> +    char                    *Dest,
> +    ACPI_SIZE               DestSize,
> +    char                    *Source)
> +{
> +
> +    if ((strlen (Dest) + strlen (Source)) >= DestSize)
> +    {
> +        return (TRUE);
> +    }
> +
> +    strcat (Dest, Source);
> +    return (FALSE);
> +}
> +
> +BOOLEAN
> +AcpiUtSafeStrncat (
> +    char                    *Dest,
> +    ACPI_SIZE               DestSize,
> +    char                    *Source,
> +    ACPI_SIZE               MaxTransferLength)
> +{
> +    ACPI_SIZE               ActualTransferLength;
> +
> +
> +    ActualTransferLength = ACPI_MIN (MaxTransferLength, strlen (Source));
> +
> +    if ((strlen (Dest) + ActualTransferLength) >= DestSize)
> +    {
> +        return (TRUE);
> +    }
> +
> +    strncat (Dest, Source, MaxTransferLength);
> +    return (FALSE);
> +}
> +#endif
> +
> +
>   /*******************************************************************************
>    *
>    * FUNCTION:    AcpiUtStrtoul64
> @@ -251,7 +327,15 @@ AcpiUtStricmp (
>    *              32-bit or 64-bit conversion, depending on the current mode
>    *              of the interpreter.
>    *
> - * NOTE:        Does not support Octal strings, not needed.
> + * NOTES:       AcpiGbl_IntegerByteWidth should be set to the proper width.
> + *              For the core ACPICA code, this width depends on the DSDT
> + *              version. For iASL, the default byte width is always 8.
> + *
> + *              Does not support Octal strings, not needed at this time.
> + *
> + *              There is an earlier version of the function after this one,
> + *              below. It is slightly different than this one, and the two
> + *              may eventually may need to be merged. (01/2016).
>    *
>    ******************************************************************************/
>
> @@ -272,7 +356,7 @@ AcpiUtStrtoul64 (
>       UINT8                   Term = 0;
>
>
> -    ACPI_FUNCTION_TRACE_STR (UtStroul64, String);
> +    ACPI_FUNCTION_TRACE_STR (UtStrtoul64, String);
>
>
>       switch (Base)
> @@ -448,78 +532,201 @@ ErrorExit:
>       }
>   }
>
> +#ifdef _OBSOLETE_FUNCTIONS
> +/* TBD: use version in ACPICA main code base? */
> +/* DONE: 01/2016 */
>
> -#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
>   /*******************************************************************************
>    *
> - * FUNCTION:    AcpiUtSafeStrcpy, AcpiUtSafeStrcat, AcpiUtSafeStrncat
> + * FUNCTION:    strtoul64
>    *
> - * PARAMETERS:  Adds a "DestSize" parameter to each of the standard string
> - *              functions. This is the size of the Destination buffer.
> + * PARAMETERS:  String              - Null terminated string
> + *              Terminater          - Where a pointer to the terminating byte
> + *                                    is returned
> + *              Base                - Radix of the string
>    *
> - * RETURN:      TRUE if the operation would overflow the destination buffer.
> - *
> - * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that
> - *              the result of the operation will not overflow the output string
> - *              buffer.
> + * RETURN:      Converted value
>    *
> - * NOTE:        These functions are typically only helpful for processing
> - *              user input and command lines. For most ACPICA code, the
> - *              required buffer length is precisely calculated before buffer
> - *              allocation, so the use of these functions is unnecessary.
> + * DESCRIPTION: Convert a string into an unsigned value.
>    *
>    ******************************************************************************/
>
> -BOOLEAN
> -AcpiUtSafeStrcpy (
> -    char                    *Dest,
> -    ACPI_SIZE               DestSize,
> -    char                    *Source)
> +ACPI_STATUS
> +strtoul64 (
> +    char                    *String,
> +    UINT32                  Base,
> +    UINT64                  *RetInteger)
>   {
> +    UINT32                  Index;
> +    UINT32                  Sign;
> +    UINT64                  ReturnValue = 0;
> +    ACPI_STATUS             Status = AE_OK;
>
> -    if (strlen (Source) >= DestSize)
> +
> +    *RetInteger = 0;
> +
> +    switch (Base)
>       {
> -        return (TRUE);
> +    case 0:
> +    case 8:
> +    case 10:
> +    case 16:
> +
> +        break;
> +
> +    default:
> +        /*
> +         * The specified Base parameter is not in the domain of
> +         * this function:
> +         */
> +        return (AE_BAD_PARAMETER);
>       }
>
> -    strcpy (Dest, Source);
> -    return (FALSE);
> -}
> +    /* Skip over any white space in the buffer: */
>
> -BOOLEAN
> -AcpiUtSafeStrcat (
> -    char                    *Dest,
> -    ACPI_SIZE               DestSize,
> -    char                    *Source)
> -{
> +    while (isspace ((int) *String) || *String == '\t')
> +    {
> +        ++String;
> +    }
>
> -    if ((strlen (Dest) + strlen (Source)) >= DestSize)
> +    /*
> +     * The buffer may contain an optional plus or minus sign.
> +     * If it does, then skip over it but remember what is was:
> +     */
> +    if (*String == '-')
>       {
> -        return (TRUE);
> +        Sign = ACPI_SIGN_NEGATIVE;
> +        ++String;
> +    }
> +    else if (*String == '+')
> +    {
> +        ++String;
> +        Sign = ACPI_SIGN_POSITIVE;
> +    }
> +    else
> +    {
> +        Sign = ACPI_SIGN_POSITIVE;
>       }
>
> -    strcat (Dest, Source);
> -    return (FALSE);
> -}
> +    /*
> +     * If the input parameter Base is zero, then we need to
> +     * determine if it is octal, decimal, or hexadecimal:
> +     */
> +    if (Base == 0)
> +    {
> +        if (*String == '0')
> +        {
> +            if (tolower ((int) *(++String)) == 'x')
> +            {
> +                Base = 16;
> +                ++String;
> +            }
> +            else
> +            {
> +                Base = 8;
> +            }
> +        }
> +        else
> +        {
> +            Base = 10;
> +        }
> +    }
>
> -BOOLEAN
> -AcpiUtSafeStrncat (
> -    char                    *Dest,
> -    ACPI_SIZE               DestSize,
> -    char                    *Source,
> -    ACPI_SIZE               MaxTransferLength)
> -{
> -    ACPI_SIZE               ActualTransferLength;
> +    /*
> +     * For octal and hexadecimal bases, skip over the leading
> +     * 0 or 0x, if they are present.
> +     */
> +    if (Base == 8 && *String == '0')
> +    {
> +        String++;
> +    }
>
> +    if (Base == 16 &&
> +        *String == '0' &&
> +        tolower ((int) *(++String)) == 'x')
> +    {
> +        String++;
> +    }
>
> -    ActualTransferLength = ACPI_MIN (MaxTransferLength, strlen (Source));
> +    /* Main loop: convert the string to an unsigned long */
>
> -    if ((strlen (Dest) + ActualTransferLength) >= DestSize)
> +    while (*String)
>       {
> -        return (TRUE);
> +        if (isdigit ((int) *String))
> +        {
> +            Index = ((UINT8) *String) - '0';
> +        }
> +        else
> +        {
> +            Index = (UINT8) toupper ((int) *String);
> +            if (isupper ((int) Index))
> +            {
> +                Index = Index - 'A' + 10;
> +            }
> +            else
> +            {
> +                goto ErrorExit;
> +            }
> +        }
> +
> +        if (Index >= Base)
> +        {
> +            goto ErrorExit;
> +        }
> +
> +        /* Check to see if value is out of range: */
> +
> +        if (ReturnValue > ((ACPI_UINT64_MAX - (UINT64) Index) /
> +            (UINT64) Base))
> +        {
> +            goto ErrorExit;
> +        }
> +        else
> +        {
> +            ReturnValue *= Base;
> +            ReturnValue += Index;
> +        }
> +
> +        ++String;
>       }
>
> -    strncat (Dest, Source, MaxTransferLength);
> -    return (FALSE);
> +
> +    /* If a minus sign was present, then "the conversion is negated": */
> +
> +    if (Sign == ACPI_SIGN_NEGATIVE)
> +    {
> +        ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
> +    }
> +
> +    *RetInteger = ReturnValue;
> +    return (Status);
> +
> +
> +ErrorExit:
> +    switch (Base)
> +    {
> +    case 8:
> +
> +        Status = AE_BAD_OCTAL_CONSTANT;
> +        break;
> +
> +    case 10:
> +
> +        Status = AE_BAD_DECIMAL_CONSTANT;
> +        break;
> +
> +    case 16:
> +
> +        Status = AE_BAD_HEX_CONSTANT;
> +        break;
> +
> +    default:
> +
> +        /* Base validated above */
> +
> +        break;
> +    }
> +
> +    return (Status);
>   }
>   #endif
> diff --git a/src/acpica/source/components/utilities/uttrack.c b/src/acpica/source/components/utilities/uttrack.c
> index 5288394..7808ed5 100644
> --- a/src/acpica/source/components/utilities/uttrack.c
> +++ b/src/acpica/source/components/utilities/uttrack.c
> @@ -847,7 +847,7 @@ AcpiUtDumpAllocations (
>
>       if (!NumOutstanding)
>       {
> -        ACPI_INFO ((AE_INFO, "No outstanding allocations"));
> +        ACPI_INFO (("No outstanding allocations"));
>       }
>       else
>       {
> diff --git a/src/acpica/source/components/utilities/utxferror.c b/src/acpica/source/components/utilities/utxferror.c
> index 9010ff9..8db84b9 100644
> --- a/src/acpica/source/components/utilities/utxferror.c
> +++ b/src/acpica/source/components/utilities/utxferror.c
> @@ -277,8 +277,6 @@ ACPI_EXPORT_SYMBOL (AcpiWarning)
>
>   void ACPI_INTERNAL_VAR_XFACE
>   AcpiInfo (
> -    const char              *ModuleName,
> -    UINT32                  LineNumber,
>       const char              *Format,
>       ...)
>   {
> diff --git a/src/acpica/source/components/utilities/utxfinit.c b/src/acpica/source/components/utilities/utxfinit.c
> index 16be627..1513ea6 100644
> --- a/src/acpica/source/components/utilities/utxfinit.c
> +++ b/src/acpica/source/components/utilities/utxfinit.c
> @@ -204,25 +204,6 @@ AcpiInitializeSubsystem (
>           return_ACPI_STATUS (Status);
>       }
>
> -    if (!AcpiGbl_OverrideDefaultRegionHandlers)
> -    {
> -        /*
> -         * Install the default operation region handlers. These are the
> -         * handlers that are defined by the ACPI specification to be
> -         * "always accessible" -- namely, SystemMemory, SystemIO, and
> -         * PCI_Config. This also means that no _REG methods need to be
> -         * run for these address spaces. We need to have these handlers
> -         * installed before any AML code can be executed, especially any
> -         * module-level code (11/2015).
> -         */
> -        Status = AcpiEvInstallRegionHandlers ();
> -        if (ACPI_FAILURE (Status))
> -        {
> -            ACPI_EXCEPTION ((AE_INFO, Status, "During Region initialization"));
> -            return_ACPI_STATUS (Status);
> -        }
> -    }
> -
>       return_ACPI_STATUS (AE_OK);
>   }
>
> @@ -259,17 +240,17 @@ AcpiEnableSubsystem (
>        */
>       AcpiGbl_EarlyInitialization = FALSE;
>
> -    if (AcpiGbl_OverrideDefaultRegionHandlers)
> +    /*
> +     * Install the default operation region handlers. These are the
> +     * handlers that are defined by the ACPI specification to be
> +     * "always accessible" -- namely, SystemMemory, SystemIO, and
> +     * PCI_Config. This also means that no _REG methods need to be
> +     * run for these address spaces. We need to have these handlers
> +     * installed before any AML code can be executed, especially any
> +     * module-level code (11/2015).
> +     */
> +    if (!AcpiGbl_GroupModuleLevelCode)
>       {
> -        /*
> -         * Install the default operation region handlers. These are the
> -         * handlers that are defined by the ACPI specification to be
> -         * "always accessible" -- namely, SystemMemory, SystemIO, and
> -         * PCI_Config. This also means that no _REG methods need to be
> -         * run for these address spaces. We need to have these handlers
> -         * installed before any AML code can be executed, especially any
> -         * module-level code (11/2015).
> -         */
>           Status = AcpiEvInstallRegionHandlers ();
>           if (ACPI_FAILURE (Status))
>           {
> @@ -278,7 +259,6 @@ AcpiEnableSubsystem (
>           }
>       }
>
> -
>   #if (!ACPI_REDUCED_HARDWARE)
>
>       /* Enable ACPI mode */
> @@ -384,25 +364,6 @@ AcpiInitializeObjects (
>       ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
>
>
> -    /*
> -     * Run all _REG methods
> -     *
> -     * Note: Any objects accessed by the _REG methods will be automatically
> -     * initialized, even if they contain executable AML (see the call to
> -     * AcpiNsInitializeObjects below).
> -     */
> -    if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
> -    {
> -        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
> -            "[Init] Executing _REG OpRegion methods\n"));
> -
> -        Status = AcpiEvInitializeOpRegions ();
> -        if (ACPI_FAILURE (Status))
> -        {
> -            return_ACPI_STATUS (Status);
> -        }
> -    }
> -
>   #ifdef ACPI_EXEC_APP
>       /*
>        * This call implements the "initialization file" option for AcpiExec.
> @@ -445,16 +406,15 @@ AcpiInitializeObjects (
>           }
>       }
>
> +    AcpiGbl_NamespaceInitialized = TRUE;
> +
>       /*
> -     * Initialize all device objects in the namespace. This runs the device
> -     * _STA and _INI methods.
> +     * Initialize all device/region objects in the namespace. This runs
> +     * the device _STA and _INI methods and region _REG methods.
>        */
> -    if (!(Flags & ACPI_NO_DEVICE_INIT))
> +    if (!(Flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT)))
>       {
> -        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
> -            "[Init] Initializing ACPI Devices\n"));
> -
> -        Status = AcpiNsInitializeDevices ();
> +        Status = AcpiNsInitializeDevices (Flags);
>           if (ACPI_FAILURE (Status))
>           {
>               return_ACPI_STATUS (Status);
> diff --git a/src/acpica/source/include/acdisasm.h b/src/acpica/source/include/acdisasm.h
> index 732d8d3..f949a8b 100644
> --- a/src/acpica/source/include/acdisasm.h
> +++ b/src/acpica/source/include/acdisasm.h
> @@ -374,6 +374,7 @@ extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHest6[];
>   extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHest7[];
>   extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHest8[];
>   extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHest9[];
> +extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHest10[];
>   extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHestNotify[];
>   extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHestBank[];
>   extern ACPI_DMTABLE_INFO        AcpiDmTableInfoHpet[];
> diff --git a/src/acpica/source/include/acglobal.h b/src/acpica/source/include/acglobal.h
> index 3215d33..86e9eb9 100644
> --- a/src/acpica/source/include/acglobal.h
> +++ b/src/acpica/source/include/acglobal.h
> @@ -158,8 +158,6 @@ ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerBitWidth);
>   ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerByteWidth);
>   ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerNybbleWidth);
>
> -ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_GroupModuleLevelCode, FALSE);
> -
>
>   /*****************************************************************************
>    *
> @@ -242,7 +240,7 @@ ACPI_GLOBAL (UINT8,                     AcpiGbl_NextOwnerIdOffset);
>
>   /* Initialization sequencing */
>
> -ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_RegMethodsEnabled, FALSE);
> +ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_NamespaceInitialized, FALSE);
>
>   /* Misc */
>
> diff --git a/src/acpica/source/include/aclocal.h b/src/acpica/source/include/aclocal.h
> index 5cadb26..383555a 100644
> --- a/src/acpica/source/include/aclocal.h
> +++ b/src/acpica/source/include/aclocal.h
> @@ -161,7 +161,7 @@ union acpi_parse_object;
>   #define ACPI_MTX_MEMORY                 5   /* Debug memory tracking lists */
>
>   #define ACPI_MAX_MUTEX                  5
> -#define ACPI_NUM_MUTEX                  ACPI_MAX_MUTEX+1
> +#define ACPI_NUM_MUTEX                  (ACPI_MAX_MUTEX+1)
>
>
>   /* Lock structure for reader/writer interfaces */
> @@ -183,12 +183,12 @@ typedef struct acpi_rw_lock
>   #define ACPI_LOCK_HARDWARE              1
>
>   #define ACPI_MAX_LOCK                   1
> -#define ACPI_NUM_LOCK                   ACPI_MAX_LOCK+1
> +#define ACPI_NUM_LOCK                   (ACPI_MAX_LOCK+1)
>
>
>   /* This Thread ID means that the mutex is not in use (unlocked) */
>
> -#define ACPI_MUTEX_NOT_ACQUIRED         (ACPI_THREAD_ID) -1
> +#define ACPI_MUTEX_NOT_ACQUIRED         ((ACPI_THREAD_ID) -1)
>
>   /* This Thread ID means an invalid thread ID */
>
> diff --git a/src/acpica/source/include/acnamesp.h b/src/acpica/source/include/acnamesp.h
> index ad0e27b..7141d51 100644
> --- a/src/acpica/source/include/acnamesp.h
> +++ b/src/acpica/source/include/acnamesp.h
> @@ -166,7 +166,7 @@ AcpiNsInitializeObjects (
>
>   ACPI_STATUS
>   AcpiNsInitializeDevices (
> -    void);
> +    UINT32                  Flags);
>
>
>   /*
> diff --git a/src/acpica/source/include/acoutput.h b/src/acpica/source/include/acoutput.h
> index 22c0106..6877044 100644
> --- a/src/acpica/source/include/acoutput.h
> +++ b/src/acpica/source/include/acoutput.h
> @@ -339,7 +339,7 @@
>   #define ACPI_GET_FUNCTION_NAME          _AcpiFunctionName
>
>   /*
> - * The Name parameter should be the procedure name as a quoted string.
> + * The Name parameter should be the procedure name as a non-quoted string.
>    * The function name is also used by the function exit macros below.
>    * Note: (const char) is used to be compatible with the debug interfaces
>    * and macros such as __FUNCTION__.
> diff --git a/src/acpica/source/include/acpixf.h b/src/acpica/source/include/acpixf.h
> index 5f0d627..cad585b 100644
> --- a/src/acpica/source/include/acpixf.h
> +++ b/src/acpica/source/include/acpixf.h
> @@ -118,7 +118,7 @@
>
>   /* Current ACPICA subsystem version in YYYYMMDD format */
>
> -#define ACPI_CA_VERSION                 0x20160108
> +#define ACPI_CA_VERSION                 0x20160212
>
>   #include "acconfig.h"
>   #include "actypes.h"
> @@ -264,9 +264,9 @@ ACPI_INIT_GLOBAL (UINT8,            AcpiGbl_CopyDsdtLocally, FALSE);
>   ACPI_INIT_GLOBAL (UINT8,            AcpiGbl_DoNotUseXsdt, FALSE);
>
>   /*
> - * Optionally allow default region handlers to be overridden.
> + * Optionally support group module level code.
>    */
> -ACPI_INIT_GLOBAL (UINT8,            AcpiGbl_OverrideDefaultRegionHandlers, FALSE);
> +ACPI_INIT_GLOBAL (UINT8,            AcpiGbl_GroupModuleLevelCode, FALSE);
>
>   /*
>    * Optionally use 32-bit FADT addresses if and when there is a conflict
> @@ -1244,11 +1244,9 @@ AcpiWarning (
>       ...))
>
>   ACPI_MSG_DEPENDENT_RETURN_VOID (
> -ACPI_PRINTF_LIKE(3)
> +ACPI_PRINTF_LIKE(1)
>   void ACPI_INTERNAL_VAR_XFACE
>   AcpiInfo (
> -    const char              *ModuleName,
> -    UINT32                  LineNumber,
>       const char              *Format,
>       ...))
>
> diff --git a/src/acpica/source/include/acpredef.h b/src/acpica/source/include/acpredef.h
> index 413fa2a..95abf0a 100644
> --- a/src/acpica/source/include/acpredef.h
> +++ b/src/acpica/source/include/acpredef.h
> @@ -588,6 +588,9 @@ const ACPI_PREDEFINED_INFO          AcpiGbl_PredefinedMethods[] =
>                   METHOD_RETURNS (ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */
>                       PACKAGE_INFO (ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0,0,0),
>
> +    {{"_FIT",   METHOD_0ARGS,
> +                METHOD_RETURNS (ACPI_RTYPE_BUFFER)}},  /* ACPI 6.0 */
> +
>       {{"_FIX",   METHOD_0ARGS,
>                   METHOD_RETURNS (ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints) */
>                       PACKAGE_INFO (ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0,0,0),
> @@ -1102,6 +1105,12 @@ const ACPI_PREDEFINED_INFO          AcpiGbl_PredefinedMethods[] =
>       {{"_WED",   METHOD_1ARGS (ACPI_TYPE_INTEGER),
>                   METHOD_RETURNS (ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER)}},
>
> +    {{"_WPC",   METHOD_0ARGS,
> +                METHOD_RETURNS (ACPI_RTYPE_INTEGER)}},  /* ACPI 6.1 */
> +
> +    {{"_WPP",   METHOD_0ARGS,
> +                METHOD_RETURNS (ACPI_RTYPE_INTEGER)}},  /* ACPI 6.1 */
> +
>       PACKAGE_INFO (0,0,0,0,0,0) /* Table terminator */
>   };
>   #else
> @@ -1176,7 +1185,7 @@ const ACPI_PREDEFINED_INFO      AcpiGbl_ResourceNames[] =
>       PACKAGE_INFO (0,0,0,0,0,0) /* Table terminator */
>   };
>
> -static const ACPI_PREDEFINED_INFO      AcpiGbl_ScopeNames[] = {
> +const ACPI_PREDEFINED_INFO              AcpiGbl_ScopeNames[] = {
>       {{"_GPE",     0,      0}},
>       {{"_PR_",     0,      0}},
>       {{"_SB_",     0,      0}},
> @@ -1185,7 +1194,7 @@ static const ACPI_PREDEFINED_INFO      AcpiGbl_ScopeNames[] = {
>       PACKAGE_INFO (0,0,0,0,0,0) /* Table terminator */
>   };
>   #else
> -extern const ACPI_PREDEFINED_INFO      AcpiGbl_ResourceNames[];
> +extern const ACPI_PREDEFINED_INFO       AcpiGbl_ResourceNames[];
>   #endif
>
>   #endif
> diff --git a/src/acpica/source/include/actbl.h b/src/acpica/source/include/actbl.h
> index 2e00273..6cc4dbf 100644
> --- a/src/acpica/source/include/actbl.h
> +++ b/src/acpica/source/include/actbl.h
> @@ -320,7 +320,7 @@ typedef struct acpi_table_facs
>   /*******************************************************************************
>    *
>    * FADT - Fixed ACPI Description Table (Signature "FACP")
> - *        Version 4
> + *        Version 6
>    *
>    ******************************************************************************/
>
> diff --git a/src/acpica/source/include/actbl1.h b/src/acpica/source/include/actbl1.h
> index 68ec982..4e3f84c 100644
> --- a/src/acpica/source/include/actbl1.h
> +++ b/src/acpica/source/include/actbl1.h
> @@ -340,7 +340,8 @@ enum AcpiEinjActions
>       ACPI_EINJ_CHECK_BUSY_STATUS             = 6,
>       ACPI_EINJ_GET_COMMAND_STATUS            = 7,
>       ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS   = 8,
> -    ACPI_EINJ_ACTION_RESERVED               = 9,     /* 9 and greater are reserved */
> +    ACPI_EINJ_GET_EXECUTE_TIMINGS           = 9,
> +    ACPI_EINJ_ACTION_RESERVED               = 10,    /* 10 and greater are reserved */
>       ACPI_EINJ_TRIGGER_ERROR                 = 0xFF   /* Except for this value */
>   };
>
> @@ -469,7 +470,8 @@ enum AcpiErstActions
>       ACPI_ERST_GET_ERROR_RANGE       = 13,
>       ACPI_ERST_GET_ERROR_LENGTH      = 14,
>       ACPI_ERST_GET_ERROR_ATTRIBUTES  = 15,
> -    ACPI_ERST_ACTION_RESERVED       = 16    /* 16 and greater are reserved */
> +    ACPI_ERST_EXECUTE_TIMINGS       = 16,
> +    ACPI_ERST_ACTION_RESERVED       = 17    /* 17 and greater are reserved */
>   };
>
>   /* Values for Instruction field above */
> @@ -561,7 +563,8 @@ enum AcpiHestTypes
>       ACPI_HEST_TYPE_AER_ENDPOINT         = 7,
>       ACPI_HEST_TYPE_AER_BRIDGE           = 8,
>       ACPI_HEST_TYPE_GENERIC_ERROR        = 9,
> -    ACPI_HEST_TYPE_RESERVED             = 10    /* 10 and greater are reserved */
> +    ACPI_HEST_TYPE_GENERIC_ERROR_V2     = 10,
> +    ACPI_HEST_TYPE_RESERVED             = 11    /* 11 and greater are reserved */
>   };
>
>
> @@ -769,6 +772,27 @@ typedef struct acpi_hest_generic
>   } ACPI_HEST_GENERIC;
>
>
> +/* 10: Generic Hardware Error Source, version 2 */
> +
> +typedef struct acpi_hest_generic_v2
> +{
> +    ACPI_HEST_HEADER        Header;
> +    UINT16                  RelatedSourceId;
> +    UINT8                   Reserved;
> +    UINT8                   Enabled;
> +    UINT32                  RecordsToPreallocate;
> +    UINT32                  MaxSectionsPerRecord;
> +    UINT32                  MaxRawDataLength;
> +    ACPI_GENERIC_ADDRESS    ErrorStatusAddress;
> +    ACPI_HEST_NOTIFY        Notify;
> +    UINT32                  ErrorBlockLength;
> +    ACPI_GENERIC_ADDRESS    ReadAckRegister;
> +    UINT64                  ReadAckPreserve;
> +    UINT64                  ReadAckWrite;
> +
> +} ACPI_HEST_GENERIC_V2;
> +
> +
>   /* Generic Error Status block */
>
>   typedef struct acpi_hest_generic_status
> @@ -802,6 +826,7 @@ typedef struct acpi_hest_generic_data
>       UINT32                  ErrorDataLength;
>       UINT8                   FruId[16];
>       UINT8                   FruText[20];
> +    UINT64                  TimeStamp;
>
>   } ACPI_HEST_GENERIC_DATA;
>
> @@ -1259,6 +1284,7 @@ typedef struct acpi_nfit_memory_map
>   #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)  /* 03: Memory Device is not armed */
>   #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)  /* 04: Memory Device observed SMART/health events */
>   #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)  /* 05: SMART/health events enabled */
> +#define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)  /* 06: Mapping to SPA failed */
>
>
>   /* 2: Interleave Structure */
> diff --git a/src/acpica/source/include/actypes.h b/src/acpica/source/include/actypes.h
> index 02ef5ce..5f85dd8 100644
> --- a/src/acpica/source/include/actypes.h
> +++ b/src/acpica/source/include/actypes.h
> @@ -714,7 +714,8 @@ typedef UINT64                          ACPI_INTEGER;
>   #define ACPI_NOTIFY_SHUTDOWN_REQUEST    (UINT8) 0x0C
>   #define ACPI_NOTIFY_AFFINITY_UPDATE     (UINT8) 0x0D
>
> -#define ACPI_NOTIFY_MAX                 0x0D
> +#define ACPI_GENERIC_NOTIFY_MAX         0x0D
> +#define ACPI_SPECIFIC_NOTIFY_MAX        0x84
>
>   /*
>    * Types associated with ACPI names and objects. The first group of
>

Acked-by: Ivan Hu <ivan.hu at canonical.com>



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