1 files changed, 59 insertions, 46 deletions

diff --git a/source/compiler/aslutils.c b/source/compiler/aslutils.c
index 7dc0697236b8..c9a9fac6d75d 100644
--- a/source/compiler/aslutils.c
+++ b/source/compiler/aslutils.c
@@ -41,7 +41,6 @@
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-
 #include "aslcompiler.h"
 #include "aslcompiler.y.h"
 #include "acdisasm.h"
@@ -243,37 +242,6 @@ UtEndEvent (
 
 /*******************************************************************************
  *
- * FUNCTION:    UtHexCharToValue
- *
- * PARAMETERS:  HexChar             - Hex character in Ascii
- *
- * RETURN:      The binary value of the hex character
- *
- * DESCRIPTION: Perform ascii-to-hex translation
- *
- ******************************************************************************/
-
-UINT8
-UtHexCharToValue (
-    int                     HexChar)
-{
-
-    if (HexChar <= 0x39)
-    {
-        return ((UINT8) (HexChar - 0x30));
-    }
-
-    if (HexChar <= 0x46)
-    {
-        return ((UINT8) (HexChar - 0x37));
-    }
-
-    return ((UINT8) (HexChar - 0x57));
-}
-
-
-/*******************************************************************************
- *
  * FUNCTION:    UtConvertByteToHex
  *
  * PARAMETERS:  RawByte             - Binary data
@@ -296,8 +264,8 @@ UtConvertByteToHex (
     Buffer[0] = '0';
     Buffer[1] = 'x';
 
-    Buffer[2] = (UINT8) AslHexLookup[(RawByte >> 4) & 0xF];
-    Buffer[3] = (UINT8) AslHexLookup[RawByte & 0xF];
+    Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4);
+    Buffer[3] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0);
 }
 
 
@@ -312,7 +280,7 @@ UtConvertByteToHex (
  * RETURN:      Ascii hex byte is stored in Buffer.
  *
  * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
- *              with "0x"
+ *              with '0', and a trailing 'h' is added.
  *
  ******************************************************************************/
 
@@ -323,8 +291,8 @@ UtConvertByteToAsmHex (
 {
 
     Buffer[0] = '0';
-    Buffer[1] = (UINT8) AslHexLookup[(RawByte >> 4) & 0xF];
-    Buffer[2] = (UINT8) AslHexLookup[RawByte & 0xF];
+    Buffer[1] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4);
+    Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0);
     Buffer[3] = 'h';
 }
 
@@ -585,7 +553,7 @@ UtCheckIntegerRange (
 
 /*******************************************************************************
  *
- * FUNCTION:    UtGetStringBuffer
+ * FUNCTION:    UtStringCacheCalloc
  *
  * PARAMETERS:  Length              - Size of buffer requested
  *
@@ -598,22 +566,42 @@ UtCheckIntegerRange (
  ******************************************************************************/
 
 char *
-UtGetStringBuffer (
+UtStringCacheCalloc (
     UINT32                  Length)
 {
     char                    *Buffer;
+    ASL_CACHE_INFO          *Cache;
 
 
+    if (Length > ASL_STRING_CACHE_SIZE)
+    {
+        Buffer = UtLocalCalloc (Length);
+        return (Buffer);
+    }
+
     if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast)
     {
-        Gbl_StringCacheNext = UtLocalCalloc (ASL_STRING_CACHE_SIZE + Length);
-        Gbl_StringCacheLast = Gbl_StringCacheNext + ASL_STRING_CACHE_SIZE +
-                                Length;
+        /* Allocate a new buffer */
+
+        Cache = UtLocalCalloc (sizeof (Cache->Next) +
+            ASL_STRING_CACHE_SIZE);
+
+        /* Link new cache buffer to head of list */
+
+        Cache->Next = Gbl_StringCacheList;
+        Gbl_StringCacheList = Cache;
+
+        /* Setup cache management pointers */
+
+        Gbl_StringCacheNext = Cache->Buffer;
+        Gbl_StringCacheLast = Gbl_StringCacheNext + ASL_STRING_CACHE_SIZE;
     }
 
+    Gbl_StringCount++;
+    Gbl_StringSize += Length;
+
     Buffer = Gbl_StringCacheNext;
     Gbl_StringCacheNext += Length;
-
     return (Buffer);
 }
 
@@ -646,7 +634,8 @@ UtExpandLineBuffers (
     NewSize = Gbl_LineBufferSize * 2;
     if (Gbl_CurrentLineBuffer)
     {
-        DbgPrint (ASL_DEBUG_OUTPUT,"Increasing line buffer size from %u to %u\n",
+        DbgPrint (ASL_DEBUG_OUTPUT,
+            "Increasing line buffer size from %u to %u\n",
             Gbl_LineBufferSize, NewSize);
     }
 
@@ -691,6 +680,30 @@ ErrorExit:
 }
 
 
+/******************************************************************************
+ *
+ * FUNCTION:    UtFreeLineBuffers
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Free all line buffers
+ *
+ *****************************************************************************/
+
+void
+UtFreeLineBuffers (
+    void)
+{
+
+    free (Gbl_CurrentLineBuffer);
+    free (Gbl_MainTokenBuffer);
+    free (Gbl_MacroTokenBuffer);
+    free (Gbl_ExpressionTokenBuffer);
+}
+
+
 /*******************************************************************************
  *
  * FUNCTION:    UtInternalizeName
@@ -723,9 +736,9 @@ UtInternalizeName (
     Info.ExternalName = ExternalName;
     AcpiNsGetInternalNameLength (&Info);
 
-    /* We need a segment to store the internal  name */
+    /* We need a segment to store the internal name */
 
-    Info.InternalName = UtGetStringBuffer (Info.Length);
+    Info.InternalName = UtStringCacheCalloc (Info.Length);
     if (!Info.InternalName)
     {
         return (AE_NO_MEMORY);