Import ACPICA 20120518.

13 files changed, 205 insertions, 47 deletions

diff --git a/source/compiler/aslcompile.c b/source/compiler/aslcompile.c
index 8fcca0a..2a87a01 100644
--- a/source/compiler/aslcompile.c
+++ b/source/compiler/aslcompile.c
@@ -59,12 +59,12 @@ CmFlushSourceCode (
 
 static void
 FlConsumeAnsiComment (
-    ASL_FILE_INFO           *FileInfo,
+    FILE                    *Handle,
     ASL_FILE_STATUS         *Status);
 
 static void
 FlConsumeNewComment (
-    ASL_FILE_INFO           *FileInfo,
+    FILE                    *Handle,
     ASL_FILE_STATUS         *Status);
 
 
@@ -253,7 +253,8 @@ CmFlushSourceCode (
  *
  * FUNCTION:    FlConsume*
  *
- * PARAMETERS:  FileInfo        - Points to an open input file
+ * PARAMETERS:  Handle              - Open input file
+ *              Status              - File current status struct
  *
  * RETURN:      Number of lines consumed
  *
@@ -263,14 +264,14 @@ CmFlushSourceCode (
 
 static void
 FlConsumeAnsiComment (
-    ASL_FILE_INFO           *FileInfo,
+    FILE                    *Handle,
     ASL_FILE_STATUS         *Status)
 {
     UINT8                   Byte;
     BOOLEAN                 ClosingComment = FALSE;
 
 
-    while (fread (&Byte, 1, 1, FileInfo->Handle))
+    while (fread (&Byte, 1, 1, Handle))
     {
         /* Scan until comment close is found */
 
@@ -307,13 +308,13 @@ FlConsumeAnsiComment (
 
 static void
 FlConsumeNewComment (
-    ASL_FILE_INFO           *FileInfo,
+    FILE                    *Handle,
     ASL_FILE_STATUS         *Status)
 {
     UINT8                   Byte;
 
 
-    while (fread (&Byte, 1, 1, FileInfo->Handle))
+    while (fread (&Byte, 1, 1, Handle))
     {
         Status->Offset++;
 
@@ -332,7 +333,9 @@ FlConsumeNewComment (
  *
  * FUNCTION:    FlCheckForAscii
  *
- * PARAMETERS:  FileInfo        - Points to an open input file
+ * PARAMETERS:  Handle              - Open input file
+ *              Filename            - Input filename
+ *              DisplayErrors       - TRUE if error messages desired
  *
  * RETURN:      Status
  *
@@ -347,7 +350,9 @@ FlConsumeNewComment (
 
 ACPI_STATUS
 FlCheckForAscii (
-    ASL_FILE_INFO           *FileInfo)
+    FILE                    *Handle,
+    char                    *Filename,
+    BOOLEAN                 DisplayErrors)
 {
     UINT8                   Byte;
     ACPI_SIZE               BadBytes = 0;
@@ -360,7 +365,7 @@ FlCheckForAscii (
 
     /* Read the entire file */
 
-    while (fread (&Byte, 1, 1, FileInfo->Handle))
+    while (fread (&Byte, 1, 1, Handle))
     {
         /* Ignore comment fields (allow non-ascii within) */
 
@@ -370,12 +375,12 @@ FlCheckForAscii (
 
             if (Byte == '*')
             {
-                FlConsumeAnsiComment (FileInfo, &Status);
+                FlConsumeAnsiComment (Handle, &Status);
             }
 
             if (Byte == '/')
             {
-                FlConsumeNewComment (FileInfo, &Status);
+                FlConsumeNewComment (Handle, &Status);
             }
 
             /* Reset */
@@ -391,7 +396,7 @@ FlCheckForAscii (
 
         if (!ACPI_IS_ASCII (Byte))
         {
-            if (BadBytes < 10)
+            if ((BadBytes < 10) && (DisplayErrors))
             {
                 AcpiOsPrintf (
                     "Non-ASCII character [0x%2.2X] found in line %u, file offset 0x%.2X\n",
@@ -413,20 +418,24 @@ FlCheckForAscii (
 
     /* Seek back to the beginning of the source file */
 
-    fseek (FileInfo->Handle, 0, SEEK_SET);
+    fseek (Handle, 0, SEEK_SET);
 
     /* Were there any non-ASCII characters in the file? */
 
     if (BadBytes)
     {
-        AcpiOsPrintf (
-            "%u non-ASCII characters found in input source text, could be a binary file\n",
-            BadBytes);
-        AslError (ASL_ERROR, ASL_MSG_NON_ASCII, NULL, FileInfo->Filename);
+        if (DisplayErrors)
+        {
+            AcpiOsPrintf (
+                "%u non-ASCII characters found in input source text, could be a binary file\n",
+                BadBytes);
+            AslError (ASL_ERROR, ASL_MSG_NON_ASCII, NULL, Filename);
+        }
+
         return (AE_BAD_CHARACTER);
     }
 
-    /* File is OK */
+    /* File is OK (100% ASCII) */
 
     return (AE_OK);
 }
diff --git a/source/compiler/aslcompiler.h b/source/compiler/aslcompiler.h
index 7eef917..937530d 100644
--- a/source/compiler/aslcompiler.h
+++ b/source/compiler/aslcompiler.h
@@ -166,7 +166,9 @@ CmCleanupAndExit (
 
 ACPI_STATUS
 FlCheckForAscii (
-    ASL_FILE_INFO           *FileInfo);
+    FILE                    *Handle,
+    char                    *Filename,
+    BOOLEAN                 DisplayErrors);
 
 
 /*
@@ -608,6 +610,11 @@ void
 FlAddIncludeDirectory (
     char                    *Dir);
 
+char *
+FlMergePathnames (
+    char                    *PrefixDir,
+    char                    *FilePathname);
+
 void
 FlOpenIncludeFile (
     ACPI_PARSE_OBJECT       *Op);
diff --git a/source/compiler/aslcompiler.l b/source/compiler/aslcompiler.l
index b9c3020..8720631 100644
--- a/source/compiler/aslcompiler.l
+++ b/source/compiler/aslcompiler.l
@@ -523,6 +523,7 @@ NamePathTail                [.]{NameSeg}
 "IPMI"                      { count (0); return (PARSEOP_REGIONSPACE_IPMI); }
 "GeneralPurposeIo"          { count (0); return (PARSEOP_REGIONSPACE_GPIO); }       /* ACPI 5.0 */
 "GenericSerialBus"          { count (0); return (PARSEOP_REGIONSPACE_GSBUS); }      /* ACPI 5.0 */
+"PCC"                       { count (0); return (PARSEOP_REGIONSPACE_PCC); }        /* ACPI 5.0 */
 "FFixedHW"                  { count (0); return (PARSEOP_REGIONSPACE_FFIXEDHW); }
 
     /* ResourceTypeKeyword: Resource Usage - Resource Descriptors */
diff --git a/source/compiler/aslcompiler.y b/source/compiler/aslcompiler.y
index 1467477..7df36a8 100644
--- a/source/compiler/aslcompiler.y
+++ b/source/compiler/aslcompiler.y
@@ -363,6 +363,7 @@ void *                      AslLocalAllocate (unsigned int Size);
 %token <i> PARSEOP_REGIONSPACE_IO
 %token <i> PARSEOP_REGIONSPACE_IPMI
 %token <i> PARSEOP_REGIONSPACE_MEM
+%token <i> PARSEOP_REGIONSPACE_PCC
 %token <i> PARSEOP_REGIONSPACE_PCI
 %token <i> PARSEOP_REGIONSPACE_PCIBAR
 %token <i> PARSEOP_REGIONSPACE_SMBUS
@@ -2359,6 +2360,7 @@ RegionSpaceKeyword
     | PARSEOP_REGIONSPACE_IPMI              {$$ = TrCreateLeafNode (PARSEOP_REGIONSPACE_IPMI);}
     | PARSEOP_REGIONSPACE_GPIO              {$$ = TrCreateLeafNode (PARSEOP_REGIONSPACE_GPIO);}
     | PARSEOP_REGIONSPACE_GSBUS             {$$ = TrCreateLeafNode (PARSEOP_REGIONSPACE_GSBUS);}
+    | PARSEOP_REGIONSPACE_PCC               {$$ = TrCreateLeafNode (PARSEOP_REGIONSPACE_PCC);}
     | PARSEOP_REGIONSPACE_FFIXEDHW          {$$ = TrCreateLeafNode (PARSEOP_REGIONSPACE_FFIXEDHW);}
     ;
 
diff --git a/source/compiler/aslerror.c b/source/compiler/aslerror.c
index 3b384f2..cd0875d 100644
--- a/source/compiler/aslerror.c
+++ b/source/compiler/aslerror.c
@@ -315,12 +315,16 @@ AePrintException (
         }
         else
         {
+            /*
+             * Less verbose version of the error message, enabled via the
+             * -vi switch. The format is compatible with MS Visual Studio.
+             */
             fprintf (OutputFile, "%s", Enode->Filename);
 
             if (Enode->LineNumber)
             {
-                fprintf (OutputFile, "(%u) i:%6u : ",
-                    Enode->LineNumber, Enode->LineNumber);
+                fprintf (OutputFile, "(%u) : ",
+                    Enode->LineNumber);
             }
         }
     }
@@ -335,9 +339,18 @@ AePrintException (
     {
         /* Decode the message ID */
 
-        fprintf (OutputFile, "%s %4.4d - ",
-                    AslErrorLevel[Enode->Level],
-                    Enode->MessageId + ((Enode->Level+1) * 1000));
+        if (Gbl_VerboseErrors)
+        {
+            fprintf (OutputFile, "%s %4.4d - ",
+                        AslErrorLevel[Enode->Level],
+                        Enode->MessageId + ((Enode->Level+1) * 1000));
+        }
+        else /* IDE case */
+        {
+            fprintf (OutputFile, "%s %4.4d:",
+                        AslErrorLevelIde[Enode->Level],
+                        Enode->MessageId + ((Enode->Level+1) * 1000));
+        }
 
         MainMessage = AslMessages[Enode->MessageId];
         ExtraMessage = Enode->Message;
diff --git a/source/compiler/aslfiles.c b/source/compiler/aslfiles.c
index 8f02be3..64f391f 100644
--- a/source/compiler/aslfiles.c
+++ b/source/compiler/aslfiles.c
@@ -492,6 +492,107 @@ FlAddIncludeDirectory (
 
 /*******************************************************************************
  *
+ * FUNCTION:    FlMergePathnames
+ *
+ * PARAMETERS:  PrefixDir       - Prefix directory pathname. Can be NULL or
+ *                                a zero length string.
+ *              FilePathname    - The include filename from the source ASL.
+ *
+ * RETURN:      Merged pathname string
+ *
+ * DESCRIPTION: Merge two pathnames that (probably) have common elements, to
+ *              arrive at a minimal length string. Merge can occur if the
+ *              FilePathname is relative to the PrefixDir.
+ *
+ ******************************************************************************/
+
+char *
+FlMergePathnames (
+    char                    *PrefixDir,
+    char                    *FilePathname)
+{
+    char                    *CommonPath;
+    char                    *Pathname;
+    char                    *LastElement;
+
+
+    DbgPrint (ASL_PARSE_OUTPUT, "Include: Prefix path - \"%s\"\n"
+        "Include: FilePathname - \"%s\"\n",
+         PrefixDir, FilePathname);
+
+    /*
+     * If there is no prefix directory or if the file pathname is absolute,
+     * just return the original file pathname
+     */
+    if (!PrefixDir || (!*PrefixDir) ||
+        (*FilePathname == '/') ||
+         (FilePathname[1] == ':'))
+    {
+        Pathname = ACPI_ALLOCATE (strlen (FilePathname) + 1);
+        strcpy (Pathname, FilePathname);
+        goto ConvertBackslashes;
+    }
+
+    /* Need a local copy of the prefix directory path */
+
+    CommonPath = ACPI_ALLOCATE (strlen (PrefixDir) + 1);
+    strcpy (CommonPath, PrefixDir);
+
+    /*
+     * Walk forward through the file path, and simultaneously backward
+     * through the prefix directory path until there are no more
+     * relative references at the start of the file path.
+     */
+    while (*FilePathname && (!strncmp (FilePathname, "../", 3)))
+    {
+        /* Remove last element of the prefix directory path */
+
+        LastElement = strrchr (CommonPath, '/');
+        if (!LastElement)
+        {
+            goto ConcatenatePaths;
+        }
+
+        *LastElement = 0;   /* Terminate CommonPath string */
+        FilePathname += 3;  /* Point to next path element */
+    }
+
+    /*
+     * Remove the last element of the prefix directory path (it is the same as
+     * the first element of the file pathname), and build the final merged
+     * pathname.
+     */
+    LastElement = strrchr (CommonPath, '/');
+    if (LastElement)
+    {
+        *LastElement = 0;
+    }
+
+    /* Build the final merged pathname */
+
+ConcatenatePaths:
+    Pathname = ACPI_ALLOCATE_ZEROED (strlen (CommonPath) + strlen (FilePathname) + 2);
+    if (LastElement && *CommonPath)
+    {
+        strcpy (Pathname, CommonPath);
+        strcat (Pathname, "/");
+    }
+    strcat (Pathname, FilePathname);
+    ACPI_FREE (CommonPath);
+
+    /* Convert all backslashes to normal slashes */
+
+ConvertBackslashes:
+    UtConvertBackslashes (Pathname);
+
+    DbgPrint (ASL_PARSE_OUTPUT, "Include: Merged Pathname - \"%s\"\n",
+         Pathname);
+    return (Pathname);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    FlOpenIncludeWithPrefix
  *
  * PARAMETERS:  PrefixDir       - Prefix directory pathname. Can be a zero
@@ -515,12 +616,9 @@ FlOpenIncludeWithPrefix (
 
     /* Build the full pathname to the file */
 
-    Pathname = ACPI_ALLOCATE (strlen (PrefixDir) + strlen (Filename) + 1);
-
-    strcpy (Pathname, PrefixDir);
-    strcat (Pathname, Filename);
+    Pathname = FlMergePathnames (PrefixDir, Filename);
 
-    DbgPrint (ASL_PARSE_OUTPUT, "\nAttempt to open include file: path %s\n\n",
+    DbgPrint (ASL_PARSE_OUTPUT, "Include: Opening file - \"%s\"\n\n",
         Pathname);
 
     /* Attempt to open the file, push if successful */
diff --git a/source/compiler/aslmain.c b/source/compiler/aslmain.c
index 7fb2b3a..ae288b3 100644
--- a/source/compiler/aslmain.c
+++ b/source/compiler/aslmain.c
@@ -765,9 +765,18 @@ AslDoOptions (
             break;
 
         case 'i':
-            /* Less verbose error messages */
-
+            /*
+             * Support for integrated development environment(s).
+             *
+             * 1) No compiler signon
+             * 2) Send stderr messages to stdout
+             * 3) Less verbose error messages (single line only for each)
+             * 4) Error/warning messages are formatted appropriately to
+             *    be recognized by MS Visual Studio
+             */
             Gbl_VerboseErrors = FALSE;
+            Gbl_DoSignon = FALSE;
+            Gbl_Files[ASL_FILE_STDERR].Handle = stdout;
             break;
 
         case 'o':
diff --git a/source/compiler/aslmap.c b/source/compiler/aslmap.c
index 04fc5386..240175d 100644
--- a/source/compiler/aslmap.c
+++ b/source/compiler/aslmap.c
@@ -367,6 +367,7 @@ const ASL_MAPPING_ENTRY     AslKeywordMapping [] =
 /* REGIONSPACE_IO */            OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_SYSTEM_IO,       0,                  0),
 /* REGIONSPACE_IPMI */          OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_IPMI,            0,                  0),
 /* REGIONSPACE_MEM */           OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_SYSTEM_MEMORY,   0,                  0),
+/* REGIONSPACE_PCC */           OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_PLATFORM_COMM,   0,                  0),
 /* REGIONSPACE_PCI */           OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_PCI_CONFIG,      0,                  0),
 /* REGIONSPACE_PCIBAR */        OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_PCI_BAR_TARGET,  0,                  0),
 /* REGIONSPACE_SMBUS */         OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_SMBUS,           0,                  0),
diff --git a/source/compiler/aslmessages.h b/source/compiler/aslmessages.h
index 45d50da..595e5f4 100644
--- a/source/compiler/aslmessages.h
+++ b/source/compiler/aslmessages.h
@@ -402,7 +402,7 @@ char                        *AslMessages [] = {
 };
 
 
-char                    *AslErrorLevel [ASL_NUM_REPORT_LEVELS] = {
+const char              *AslErrorLevel [ASL_NUM_REPORT_LEVELS] = {
     "Warning ",
     "Warning ",
     "Warning ",
@@ -411,6 +411,15 @@ char                    *AslErrorLevel [ASL_NUM_REPORT_LEVELS] = {
     "Optimize"
 };
 
+const char              *AslErrorLevelIde [ASL_NUM_REPORT_LEVELS] = {
+    "warning ",
+    "warning ",
+    "warning ",
+    "error   ",
+    "remark  ",
+    "optimize"
+};
+
 #define ASL_ERROR_LEVEL_LENGTH          8       /* Length of strings above */
 
 #endif  /* ASL_EXCEPTIONS */
diff --git a/source/compiler/aslstartup.c b/source/compiler/aslstartup.c
index 13b7af4..a302164 100644
--- a/source/compiler/aslstartup.c
+++ b/source/compiler/aslstartup.c
@@ -227,7 +227,7 @@ AslDetectSourceFileType (
 
     /* Check for 100% ASCII source file (comments are ignored) */
 
-    Status = FlCheckForAscii (Info);
+    Status = FlCheckForAscii (Info->Handle, Info->Filename, TRUE);
     if (ACPI_FAILURE (Status))
     {
         printf ("Non-ascii input file - %s\n", Info->Filename);
diff --git a/source/compiler/dtio.c b/source/compiler/dtio.c
index 6357bfb..2b4e433 100644
--- a/source/compiler/dtio.c
+++ b/source/compiler/dtio.c
@@ -427,7 +427,6 @@ DtGetNextLine (
             {
             case DT_START_QUOTED_STRING:
             case DT_SLASH_ASTERISK_COMMENT:
-            case DT_SLASH_SLASH_COMMENT:
 
                 AcpiOsPrintf ("**** EOF within comment/string %u\n", State);
                 break;
@@ -436,7 +435,22 @@ DtGetNextLine (
                 break;
             }
 
-            return (ASL_EOF);
+            /* Standalone EOF is OK */
+
+            if (i == 0)
+            {
+                return (ASL_EOF);
+            }
+
+            /*
+             * Received an EOF in the middle of a line. Terminate the
+             * line with a newline. The next call to this function will
+             * return a standalone EOF. Thus, the upper parsing software
+             * never has to deal with an EOF within a valid line (or
+             * the last line does not get tossed on the floor.)
+             */
+            c = '\n';
+            State = DT_NORMAL_TEXT;
         }
 
         switch (State)
diff --git a/source/compiler/prscan.c b/source/compiler/prscan.c
index 3013951..61c5ecc 100644
--- a/source/compiler/prscan.c
+++ b/source/compiler/prscan.c
@@ -654,7 +654,7 @@ PrDoDirective (
         }
 
         DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
-            "Start #include file %s\n", Gbl_CurrentLineNumber,
+            "Start #include file \"%s\"\n", Gbl_CurrentLineNumber,
             Token, Gbl_CurrentLineNumber);
 
         PrOpenIncludeFile (Token);
diff --git a/source/compiler/prutils.c b/source/compiler/prutils.c
index a7c65bf..b0e1e14 100644
--- a/source/compiler/prutils.c
+++ b/source/compiler/prutils.c
@@ -246,13 +246,11 @@ PrOpenIncludeFile (
     ASL_INCLUDE_DIR         *NextDir;
 
 
-    /*
-     * start the actual include file on the next line
-     */
+    /* Start the actual include file on the next line */
+
     Gbl_CurrentLineOffset++;
 
     /* Attempt to open the include file */
-
     /* If the file specifies an absolute path, just open it */
 
     if ((Filename[0] == '/')  ||
@@ -330,13 +328,10 @@ PrOpenIncludeWithPrefix (
 
     /* Build the full pathname to the file */
 
-    Pathname = ACPI_ALLOCATE (strlen (PrefixDir) + strlen (Filename) + 1);
+    Pathname = FlMergePathnames (PrefixDir, Filename);
 
-    strcpy (Pathname, PrefixDir);
-    strcat (Pathname, Filename);
-
-    DbgPrint (ASL_PARSE_OUTPUT, "\n" PR_PREFIX_ID
-        "Opening include file: path %s\n",
+    DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
+        "Include: Opening file - \"%s\"\n",
         Gbl_CurrentLineNumber, Pathname);
 
     /* Attempt to open the file, push if successful */