| /****************************************************************************** |
| * |
| * Module Name: ahdecode - Miscellaneous decoding for acpihelp utility |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2020, Intel Corp. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #define ACPI_CREATE_PREDEFINED_TABLE |
| #define ACPI_CREATE_RESOURCE_TABLE |
| |
| #include "acpihelp.h" |
| #include "acpredef.h" |
| |
| |
| /* Local prototypes */ |
| |
| static BOOLEAN |
| AhDisplayPredefinedName ( |
| char *Name, |
| UINT32 Length); |
| |
| static void |
| AhDisplayPredefinedInfo ( |
| char *Name); |
| |
| static void |
| AhDoSpecialNames ( |
| char *Name); |
| |
| static void |
| AhDisplayResourceName ( |
| const ACPI_PREDEFINED_INFO *ThisName); |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhPrintOneField |
| * |
| * PARAMETERS: Indent - Indent length for new line(s) |
| * CurrentPosition - Position on current line |
| * MaxPosition - Max allowed line length |
| * Field - Data to output |
| * |
| * RETURN: Line position after field is written |
| * |
| * DESCRIPTION: Split long lines appropriately for ease of reading. |
| * |
| ******************************************************************************/ |
| |
| void |
| AhPrintOneField ( |
| UINT32 Indent, |
| UINT32 CurrentPosition, |
| UINT32 MaxPosition, |
| const char *Field) |
| { |
| UINT32 Position; |
| UINT32 TokenLength; |
| const char *This; |
| const char *Next; |
| const char *Last; |
| |
| |
| This = Field; |
| Position = CurrentPosition; |
| |
| if (Position == 0) |
| { |
| printf ("%*s", (int) Indent, " "); |
| Position = Indent; |
| } |
| |
| Last = This + strlen (This); |
| while ((Next = strpbrk (This, " "))) |
| { |
| TokenLength = Next - This; |
| Position += TokenLength; |
| |
| /* Split long lines */ |
| |
| if (Position > MaxPosition) |
| { |
| printf ("\n%*s", (int) Indent, " "); |
| Position = TokenLength; |
| } |
| |
| printf ("%.*s ", (int) TokenLength, This); |
| This = Next + 1; |
| } |
| |
| /* Handle last token on the input line */ |
| |
| TokenLength = Last - This; |
| if (TokenLength > 0) |
| { |
| Position += TokenLength; |
| if (Position > MaxPosition) |
| { |
| printf ("\n%*s", (int) Indent, " "); |
| } |
| |
| printf ("%s", This); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDisplayDirectives |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display all iASL preprocessor directives. |
| * |
| ******************************************************************************/ |
| |
| void |
| AhDisplayDirectives ( |
| void) |
| { |
| const AH_DIRECTIVE_INFO *Info; |
| |
| |
| printf ("iASL Preprocessor Directives\n\n"); |
| |
| for (Info = Gbl_PreprocessorDirectives; Info->Name; Info++) |
| { |
| printf (" %-36s : %s\n", Info->Name, Info->Description); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhFindPredefinedNames (entry point for predefined name search) |
| * |
| * PARAMETERS: NamePrefix - Name or prefix to find. Must start with |
| * an underscore. NULL means "find all" |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Find and display all ACPI predefined names that match the |
| * input name or prefix. Includes the required number of arguments |
| * and the expected return type, if any. |
| * |
| ******************************************************************************/ |
| |
| void |
| AhFindPredefinedNames ( |
| char *NamePrefix) |
| { |
| UINT32 Length; |
| BOOLEAN Found; |
| char Name[ACPI_NAMESEG_SIZE + 1]; |
| |
| |
| if (!NamePrefix || (*NamePrefix == '*')) |
| { |
| (void) AhDisplayPredefinedName (NULL, 0); |
| return; |
| } |
| |
| Length = strlen (NamePrefix); |
| if (Length > ACPI_NAMESEG_SIZE) |
| { |
| printf ("%.8s: Predefined name must be 4 characters maximum\n", |
| NamePrefix); |
| return; |
| } |
| |
| /* Construct a local name or name prefix */ |
| |
| AcpiUtStrupr (NamePrefix); |
| if (*NamePrefix == '_') |
| { |
| NamePrefix++; |
| } |
| |
| Name[0] = '_'; |
| AcpiUtSafeStrncpy (&Name[1], NamePrefix, 4); |
| |
| /* Check for special names such as _Exx, _ACx, etc. */ |
| |
| AhDoSpecialNames (Name); |
| |
| /* Lookup and display the name(s) */ |
| |
| Found = AhDisplayPredefinedName (Name, Length); |
| if (!Found) |
| { |
| printf ("%s, no matching predefined names\n", Name); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDoSpecialNames |
| * |
| * PARAMETERS: Name - Name or prefix to find |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Detect and handle the "special" names such as _Exx, _ACx, etc. |
| * |
| * Current support: |
| * _EJx |
| * _Exx |
| * _Lxx |
| * _Qxx |
| * _Wxx |
| * _ACx |
| * _ALx |
| * _T_x |
| * |
| ******************************************************************************/ |
| |
| static void |
| AhDoSpecialNames ( |
| char *Name) |
| { |
| |
| /* |
| * Check for the special names that have one or more numeric |
| * suffixes. For example, _Lxx can have 256 different flavors, |
| * from _L00 to _LFF. |
| */ |
| switch (Name[1]) |
| { |
| case 'E': |
| if (Name[2] == 'J') |
| { |
| if (isdigit (Name[3]) || (Name[3] == 'X')) |
| { |
| /* _EJx */ |
| |
| Name[3] = 'x'; |
| break; |
| } |
| } |
| |
| /* Fallthrough */ |
| |
| case 'L': |
| case 'Q': |
| case 'W': |
| if ((isxdigit (Name[2]) && isxdigit (Name[3])) |
| || |
| ((Name[2] == 'X') && (Name[3] == 'X'))) |
| { |
| /* _Exx, _Lxx, _Qxx, or _Wxx */ |
| |
| Name[2] = 'x'; |
| Name[3] = 'x'; |
| } |
| break; |
| |
| case 'A': |
| if ((Name[2] == 'C') || (Name[2] == 'L')) |
| { |
| if (isdigit (Name[3]) || (Name[3] == 'X')) |
| { |
| /* _ACx or _ALx */ |
| |
| Name[3] = 'x'; |
| } |
| } |
| break; |
| |
| case 'T': |
| if (Name[2] == '_') |
| { |
| /* _T_x (Reserved for iASL compiler */ |
| |
| Name[3] = 'x'; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDisplayPredefinedName |
| * |
| * PARAMETERS: Name - Name or name prefix |
| * |
| * RETURN: TRUE if any names matched, FALSE otherwise |
| * |
| * DESCRIPTION: Display information about ACPI predefined names that match |
| * the input name or name prefix. |
| * |
| ******************************************************************************/ |
| |
| static BOOLEAN |
| AhDisplayPredefinedName ( |
| char *Name, |
| UINT32 Length) |
| { |
| const AH_PREDEFINED_NAME *Info; |
| BOOLEAN Found = FALSE; |
| BOOLEAN Matched; |
| UINT32 i = 0; |
| |
| |
| /* Find/display all names that match the input name prefix */ |
| |
| for (Info = AslPredefinedInfo; Info->Name; Info++) |
| { |
| if (!Name) |
| { |
| Found = TRUE; |
| printf ("%s: <%s>\n", Info->Name, Info->Description); |
| printf ("%*s%s\n", 6, " ", Info->Action); |
| |
| AhDisplayPredefinedInfo (Info->Name); |
| i++; |
| continue; |
| } |
| |
| Matched = TRUE; |
| for (i = 0; i < Length; i++) |
| { |
| if (Info->Name[i] != Name[i]) |
| { |
| Matched = FALSE; |
| break; |
| } |
| } |
| |
| if (Matched) |
| { |
| Found = TRUE; |
| printf ("%s: <%s>\n", Info->Name, Info->Description); |
| printf ("%*s%s\n", 6, " ", Info->Action); |
| |
| AhDisplayPredefinedInfo (Info->Name); |
| } |
| } |
| |
| if (!Name) |
| { |
| printf ("\nFound %d Predefined ACPI Names\n", i); |
| } |
| return (Found); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDisplayPredefinedInfo |
| * |
| * PARAMETERS: Name - Exact 4-character ACPI name. |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Find the name in the main ACPICA predefined info table and |
| * display the # of arguments and the return value type. |
| * |
| * Note: Resource Descriptor field names do not appear in this |
| * table -- thus, nothing will be displayed for them. |
| * |
| ******************************************************************************/ |
| |
| static void |
| AhDisplayPredefinedInfo ( |
| char *Name) |
| { |
| const ACPI_PREDEFINED_INFO *ThisName; |
| |
| |
| /* NOTE: we check both tables always because there are some dupes */ |
| |
| /* Check against the predefined methods first */ |
| |
| ThisName = AcpiUtMatchPredefinedMethod (Name); |
| if (ThisName) |
| { |
| AcpiUtDisplayPredefinedMethod (Gbl_Buffer, ThisName, TRUE); |
| } |
| |
| /* Check against the predefined resource descriptor names */ |
| |
| ThisName = AcpiUtMatchResourceName (Name); |
| if (ThisName) |
| { |
| AhDisplayResourceName (ThisName); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDisplayResourceName |
| * |
| * PARAMETERS: ThisName - Entry in the predefined method/name table |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display information about a resource descriptor name. |
| * |
| ******************************************************************************/ |
| |
| static void |
| AhDisplayResourceName ( |
| const ACPI_PREDEFINED_INFO *ThisName) |
| { |
| UINT32 NumTypes; |
| |
| |
| NumTypes = AcpiUtGetResourceBitWidth (Gbl_Buffer, |
| ThisName->Info.ArgumentList); |
| |
| printf (" %4.4s resource descriptor field is %s bits wide%s\n", |
| ThisName->Info.Name, |
| Gbl_Buffer, |
| (NumTypes > 1) ? " (depending on descriptor type)" : ""); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDisplayDeviceIds |
| * |
| * PARAMETERS: Name - Device Hardware ID string. |
| * NULL means "find all" |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display PNP* and ACPI* device IDs. |
| * |
| ******************************************************************************/ |
| |
| void |
| AhDisplayDeviceIds ( |
| char *Name) |
| { |
| const AH_DEVICE_ID *Info; |
| UINT32 Length; |
| BOOLEAN Matched; |
| UINT32 i; |
| BOOLEAN Found = FALSE; |
| |
| |
| /* Null input name indicates "display all" */ |
| |
| if (!Name || (Name[0] == '*')) |
| { |
| printf ("ACPI and PNP Device/Hardware IDs:\n\n"); |
| for (Info = AslDeviceIds; Info->Name; Info++) |
| { |
| printf ("%8s %s\n", Info->Name, Info->Description); |
| } |
| |
| return; |
| } |
| |
| Length = strlen (Name); |
| if (Length > 8) |
| { |
| printf ("%.8s: Hardware ID must be 8 characters maximum\n", Name); |
| return; |
| } |
| |
| /* Find/display all names that match the input name prefix */ |
| |
| AcpiUtStrupr (Name); |
| for (Info = AslDeviceIds; Info->Name; Info++) |
| { |
| Matched = TRUE; |
| for (i = 0; i < Length; i++) |
| { |
| if (Info->Name[i] != Name[i]) |
| { |
| Matched = FALSE; |
| break; |
| } |
| } |
| |
| if (Matched) |
| { |
| Found = TRUE; |
| printf ("%8s %s\n", Info->Name, Info->Description); |
| } |
| } |
| |
| if (!Found) |
| { |
| printf ("%s, Hardware ID not found\n", Name); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDisplayUuids |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display all known UUIDs. |
| * |
| ******************************************************************************/ |
| |
| void |
| AhDisplayUuids ( |
| void) |
| { |
| const AH_UUID *Info; |
| |
| |
| printf ("ACPI-related UUIDs/GUIDs:\n"); |
| |
| /* Display entire table of known ACPI-related UUIDs/GUIDs */ |
| |
| for (Info = Gbl_AcpiUuids; Info->Description; Info++) |
| { |
| if (!Info->String) /* Null UUID string means group description */ |
| { |
| printf ("\n%36s\n", Info->Description); |
| } |
| else |
| { |
| printf ("%32s : %s\n", Info->Description, Info->String); |
| } |
| } |
| |
| /* Help info on how UUIDs/GUIDs strings are encoded */ |
| |
| printf ("\n\nByte encoding of UUID/GUID strings" |
| " into ACPI Buffer objects (use ToUUID from ASL):\n\n"); |
| |
| printf ("%32s : %s\n", "Input UUID/GUID String format", |
| "aabbccdd-eeff-gghh-iijj-kkllmmnnoopp"); |
| |
| printf ("%32s : %s\n", "Expected output ACPI buffer", |
| "dd,cc,bb,aa, ff,ee, hh,gg, ii,jj, kk,ll,mm,nn,oo,pp"); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDisplayTables |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display all known ACPI tables |
| * |
| ******************************************************************************/ |
| |
| void |
| AhDisplayTables ( |
| void) |
| { |
| const AH_TABLE *Info; |
| UINT32 i = 0; |
| |
| |
| printf ("Known ACPI tables:\n"); |
| |
| for (Info = AcpiGbl_SupportedTables; Info->Signature; Info++) |
| { |
| printf ("%8s : %s\n", Info->Signature, Info->Description); |
| i++; |
| } |
| |
| printf ("\nTotal %u ACPI tables\n\n", i); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AhDecodeException |
| * |
| * PARAMETERS: HexString - ACPI status string from command line, in |
| * hex. If null, display all exceptions. |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Decode and display an ACPI_STATUS exception code. |
| * |
| ******************************************************************************/ |
| |
| void |
| AhDecodeException ( |
| char *HexString) |
| { |
| const ACPI_EXCEPTION_INFO *ExceptionInfo; |
| UINT32 Status; |
| UINT32 i; |
| |
| |
| /* |
| * A null input string means to decode and display all known |
| * exception codes. |
| */ |
| if (!HexString) |
| { |
| printf ("All defined ACPICA exception codes:\n\n"); |
| AH_DISPLAY_EXCEPTION (0, |
| "AE_OK (No error occurred)"); |
| |
| /* Display codes in each block of exception types */ |
| |
| for (i = 1; (i & AE_CODE_MASK) <= AE_CODE_MAX; i += 0x1000) |
| { |
| Status = i; |
| do |
| { |
| ExceptionInfo = AcpiUtValidateException ((ACPI_STATUS) Status); |
| if (ExceptionInfo) |
| { |
| AH_DISPLAY_EXCEPTION_TEXT (Status, ExceptionInfo); |
| } |
| |
| Status++; |
| |
| } while (ExceptionInfo); |
| } |
| return; |
| } |
| |
| /* Decode a single user-supplied exception code */ |
| |
| Status = strtoul (HexString, NULL, 16); |
| if (!Status) |
| { |
| printf ("%s: Invalid hexadecimal exception code value\n", HexString); |
| return; |
| } |
| |
| if (Status > ACPI_UINT16_MAX) |
| { |
| AH_DISPLAY_EXCEPTION (Status, "Invalid exception code (more than 16 bits)"); |
| return; |
| } |
| |
| ExceptionInfo = AcpiUtValidateException ((ACPI_STATUS) Status); |
| if (!ExceptionInfo) |
| { |
| AH_DISPLAY_EXCEPTION (Status, "Unknown exception code"); |
| return; |
| } |
| |
| AH_DISPLAY_EXCEPTION_TEXT (Status, ExceptionInfo); |
| } |
