diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 675a32f..e27dc8f 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20060113
+#define ACPI_CA_VERSION                 0x20060127
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
@@ -83,7 +83,7 @@
 #define ACPI_MAX_OBJECT_CACHE_DEPTH     96	/* Interpreter operand objects */
 
 /*
- * Should the subystem abort the loading of an ACPI table if the
+ * Should the subsystem abort the loading of an ACPI table if the
  * table checksum is incorrect?
  */
 #define ACPI_CHECKSUM_ABORT             FALSE
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 97f8e41..8361820 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -416,13 +416,13 @@
 #define ACPI_CONTROL_PREDICATE_FALSE         0xC3
 #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
 
-#define ACPI_STATE_COMMON                  /* Two 32-bit fields and a pointer */\
-	u8                                  data_type;          /* To differentiate various internal objs */\
+#define ACPI_STATE_COMMON   /* Two 32-bit fields and a pointer */\
+	u8                                  data_type;  /* To differentiate various internal objs */\
 	u8                                  flags;      \
 	u16                                 value;      \
 	u16                                 state;      \
 	u16                                 reserved;   \
-	void                                *next;      \
+	void                                *next;
 
 struct acpi_common_state {
 ACPI_STATE_COMMON};
@@ -575,8 +575,7 @@
 	char                                aml_op_name[16]) /* Op name (debug only) */\
 			   /* NON-DEBUG members below: */\
 	struct acpi_namespace_node          *node;          /* For use by interpreter */\
-	union acpi_parse_value              value;          /* Value or args associated with the opcode */\
-
+	union acpi_parse_value              value;	/* Value or args associated with the opcode */
 
 #define ACPI_DASM_BUFFER        0x00
 #define ACPI_DASM_RESOURCE      0x01
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 49ba151..f2be2a8 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -341,8 +341,12 @@
 /*
  * Rounding macros (Power of two boundaries only)
  */
-#define ACPI_ROUND_DOWN(value,boundary)      (((acpi_native_uint)(value)) & (~(((acpi_native_uint) boundary)-1)))
-#define ACPI_ROUND_UP(value,boundary)        ((((acpi_native_uint)(value)) + (((acpi_native_uint) boundary)-1)) & (~(((acpi_native_uint) boundary)-1)))
+#define ACPI_ROUND_DOWN(value,boundary)      (((acpi_native_uint)(value)) & \
+												(~(((acpi_native_uint) boundary)-1)))
+
+#define ACPI_ROUND_UP(value,boundary)        ((((acpi_native_uint)(value)) + \
+												(((acpi_native_uint) boundary)-1)) & \
+												(~(((acpi_native_uint) boundary)-1)))
 
 #define ACPI_ROUND_DOWN_TO_32_BITS(a)        ACPI_ROUND_DOWN(a,4)
 #define ACPI_ROUND_DOWN_TO_64_BITS(a)        ACPI_ROUND_DOWN(a,8)
@@ -379,10 +383,11 @@
 
 /* Generate a UUID */
 
-#define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7)   (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
-												  (b) & 0xFF, ((b) >> 8) & 0xFF, \
-												  (c) & 0xFF, ((c) >> 8) & 0xFF, \
-												  (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
+#define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
+	(a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
+	(b) & 0xFF, ((b) >> 8) & 0xFF, \
+	(c) & 0xFF, ((c) >> 8) & 0xFF, \
+	(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
 
 /*
  * An struct acpi_namespace_node * can appear in some contexts,
@@ -442,13 +447,12 @@
 #define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
 #define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))
 
+#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
 /*
  * Module name is include in both debug and non-debug versions primarily for
  * error messages. The __FILE__ macro is not very useful for this, because it
  * often includes the entire pathname to the module
  */
-#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
-
 #define ACPI_MODULE_NAME(name)          static char ACPI_UNUSED_VAR *_acpi_module_name = name;
 #else
 #define ACPI_MODULE_NAME(name)
@@ -458,45 +462,31 @@
  * Ascii error messages can be configured out
  */
 #ifndef ACPI_NO_ERROR_MESSAGES
-
-#define ACPI_PARAM_LIST(pl)             pl
-#define ACPI_LOCATION_INFO              _acpi_module_name, __LINE__
+#define AE_INFO                         _acpi_module_name, __LINE__
 
 /*
- * Error reporting. Callers module and line number are inserted automatically
- * These macros are used for both the debug and non-debug versions of the code
+ * Error reporting. Callers module and line number are inserted by AE_INFO,
+ * the plist contains a set of parens to allow variable-length lists.
+ * These macros are used for both the debug and non-debug versions of the code.
  */
-#define ACPI_REPORT_INFO(fp)            {acpi_ut_report_info (ACPI_LOCATION_INFO); \
-											acpi_os_printf ACPI_PARAM_LIST (fp);}
-#define ACPI_REPORT_ERROR(fp)           {acpi_ut_report_error (ACPI_LOCATION_INFO); \
-											acpi_os_printf ACPI_PARAM_LIST (fp);}
-#define ACPI_REPORT_WARNING(fp)         {acpi_ut_report_warning (ACPI_LOCATION_INFO); \
-											acpi_os_printf ACPI_PARAM_LIST (fp);}
-#define ACPI_REPORT_NSERROR(s,e)        acpi_ns_report_error (ACPI_LOCATION_INFO, \
-											s, e);
-#define ACPI_REPORT_MTERROR(s,n,p,e)    acpi_ns_report_method_error (ACPI_LOCATION_INFO, \
-											s, n, p, e);
+#define ACPI_INFO(plist)                acpi_ut_info plist
+#define ACPI_WARNING(plist)             acpi_ut_warning plist
+#define ACPI_EXCEPTION(plist)           acpi_ut_exception plist
+#define ACPI_ERROR(plist)               acpi_ut_error plist
+#define ACPI_ERROR_NAMESPACE(s,e)       acpi_ns_report_error (AE_INFO, s, e);
+#define ACPI_ERROR_METHOD(s,n,p,e)      acpi_ns_report_method_error (AE_INFO, s, n, p, e);
 
-/* Error reporting. These versions pass thru the module and lineno */
-
-#define _ACPI_REPORT_INFO(a,b,fp)       {acpi_ut_report_info (a,b); \
-											acpi_os_printf ACPI_PARAM_LIST (fp);}
-#define _ACPI_REPORT_ERROR(a,b,fp)      {acpi_ut_report_error (a,b); \
-											acpi_os_printf ACPI_PARAM_LIST (fp);}
-#define _ACPI_REPORT_WARNING(a,b,fp)    {acpi_ut_report_warning (a,b); \
-											acpi_os_printf ACPI_PARAM_LIST (fp);}
 #else
 
 /* No error messages */
 
-#define ACPI_REPORT_INFO(fp)
-#define ACPI_REPORT_ERROR(fp)
-#define ACPI_REPORT_WARNING(fp)
-#define ACPI_REPORT_NSERROR(s,e)
-#define ACPI_REPORT_MTERROR(s,n,p,e)
-#define _ACPI_REPORT_INFO(a,b,c,fp)
-#define _ACPI_REPORT_ERROR(a,b,c,fp)
-#define _ACPI_REPORT_WARNING(a,b,c,fp)
+#define ACPI_INFO(plist)
+#define ACPI_WARNING(plist)
+#define ACPI_EXCEPTION(plist)
+#define ACPI_ERROR(plist)
+#define ACPI_ERROR_NAMESPACE(s,e)
+#define ACPI_ERROR_METHOD(s,n,p,e)
+
 #endif
 
 /*
@@ -538,7 +528,7 @@
 #endif
 
 #define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
-											acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
+									  acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
 #define ACPI_FUNCTION_TRACE_PTR(a,b)    ACPI_FUNCTION_NAME(a) \
 											acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b)
 #define ACPI_FUNCTION_TRACE_U32(a,b)    ACPI_FUNCTION_NAME(a) \
@@ -632,18 +622,6 @@
 #define ACPI_DUMP_PATHNAME(a,b,c,d)     acpi_ns_dump_pathname(a,b,c,d)
 #define ACPI_DUMP_RESOURCE_LIST(a)      acpi_rs_dump_resource_list(a)
 #define ACPI_DUMP_BUFFER(a,b)           acpi_ut_dump_buffer((u8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
-#define ACPI_BREAK_MSG(a)               acpi_os_signal (ACPI_SIGNAL_BREAKPOINT,(a))
-
-/*
- * Generate INT3 on ACPI_ERROR (Debug only!)
- */
-#define ACPI_ERROR_BREAK
-#ifdef  ACPI_ERROR_BREAK
-#define ACPI_BREAK_ON_ERROR(lvl)        if ((lvl)&ACPI_ERROR) \
-											acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,"Fatal error encountered\n")
-#else
-#define ACPI_BREAK_ON_ERROR(lvl)
-#endif
 
 /*
  * Master debug print macros
@@ -651,8 +629,8 @@
  *    1) Debug print for the current component is enabled
  *    2) Debug error level or trace level for the print statement is enabled
  */
-#define ACPI_DEBUG_PRINT(pl)            acpi_ut_debug_print ACPI_PARAM_LIST(pl)
-#define ACPI_DEBUG_PRINT_RAW(pl)        acpi_ut_debug_print_raw ACPI_PARAM_LIST(pl)
+#define ACPI_DEBUG_PRINT(plist)         acpi_ut_debug_print plist
+#define ACPI_DEBUG_PRINT_RAW(plist)     acpi_ut_debug_print_raw plist
 
 #else
 /*
@@ -681,7 +659,6 @@
 #define ACPI_DUMP_BUFFER(a,b)
 #define ACPI_DEBUG_PRINT(pl)
 #define ACPI_DEBUG_PRINT_RAW(pl)
-#define ACPI_BREAK_MSG(a)
 
 #define return_VOID                     return
 #define return_ACPI_STATUS(s)           return(s)
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index 1bd4119..d130cfe 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -69,7 +69,7 @@
 	u8                                      type;               /* acpi_object_type */\
 	u16                                     reference_count;    /* For object deletion management */\
 	union acpi_operand_object               *next_object;       /* Objects linked to parent NS node */\
-	u8                                      flags; \
+	u8                                      flags;
 
 /* Values for flag byte above */
 
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 768f63f39..970e9a6 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -108,9 +108,9 @@
 
 void acpi_os_delete_lock(acpi_handle handle);
 
-acpi_native_uint acpi_os_acquire_lock(acpi_handle handle);
+acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle);
 
-void acpi_os_release_lock(acpi_handle handle, acpi_native_uint flags);
+void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags);
 
 /*
  * Memory allocation and mapping
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 74819e9..7ca89cd 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -237,17 +237,22 @@
 #error unknown ACPI_MACHINE_WIDTH
 #endif
 
+/* Variable-width type, used instead of clib size_t */
+
+typedef acpi_native_uint acpi_size;
+
 /*******************************************************************************
  *
  * OS- or compiler-dependent types
  *
+ * If the defaults below are not appropriate for the host system, they can
+ * be defined in the compiler-specific or OS-specific header, and this will
+ * take precedence.
+ *
  ******************************************************************************/
 
-/*
- * If acpi_uintptr_t was not defined in the OS- or compiler-dependent header,
- * define it now (use C99 uintptr_t for pointer casting if available,
- * "void *" otherwise)
- */
+/* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */
+
 #ifndef acpi_uintptr_t
 #define acpi_uintptr_t                          void *
 #endif
@@ -261,9 +266,31 @@
 #define acpi_cache_t                            struct acpi_memory_list
 #endif
 
-/* Variable-width type, used instead of clib size_t */
+/*
+ * Allow the CPU flags word to be defined per-OS to simplify the use of the
+ * lock and unlock OSL interfaces.
+ */
+#ifndef acpi_cpu_flags
+#define acpi_cpu_flags                          acpi_native_uint
+#endif
 
-typedef acpi_native_uint acpi_size;
+/*
+ * ACPI_PRINTF_LIKE is used to tag functions as "printf-like" because
+ * some compilers can catch printf format string problems
+ */
+#ifndef ACPI_PRINTF_LIKE
+#define ACPI_PRINTF_LIKE(c)
+#endif
+
+/*
+ * Some compilers complain about unused variables. Sometimes we don't want to
+ * use all the variables (for example, _acpi_module_name). This allows us
+ * to to tell the compiler in a per-variable manner that a variable
+ * is unused
+ */
+#ifndef ACPI_UNUSED_VAR
+#define ACPI_UNUSED_VAR
+#endif
 
 /*******************************************************************************
  *
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index 10f6625..0927765 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -275,20 +275,22 @@
 		 const char *function_name,
 		 char *module_name, u32 component_id, u8 * ptr);
 
+void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
+
 void acpi_ut_report_error(char *module_name, u32 line_number);
 
 void acpi_ut_report_info(char *module_name, u32 line_number);
 
 void acpi_ut_report_warning(char *module_name, u32 line_number);
 
-void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
+/* Error and message reporting interfaces */
 
 void ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print(u32 requested_debug_level,
 		    u32 line_number,
 		    const char *function_name,
 		    char *module_name,
-		    u32 component_id, char *format, ...) ACPI_PRINTF_LIKE_FUNC;
+		    u32 component_id, char *format, ...) ACPI_PRINTF_LIKE(6);
 
 void ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print_raw(u32 requested_debug_level,
@@ -296,7 +298,24 @@
 			const char *function_name,
 			char *module_name,
 			u32 component_id,
-			char *format, ...) ACPI_PRINTF_LIKE_FUNC;
+			char *format, ...) ACPI_PRINTF_LIKE(6);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_error(char *module_name,
+	      u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_exception(char *module_name,
+		  u32 line_number,
+		  acpi_status status, char *format, ...) ACPI_PRINTF_LIKE(4);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_warning(char *module_name,
+		u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_info(char *module_name,
+	     u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
 
 /*
  * utdelete - Object deletion and reference counts
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 31b0f18..223ec64 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -149,6 +149,9 @@
 #elif defined(NETWARE)
 #include "acnetware.h"
 
+#elif defined(__sun)
+#include "acsolaris.h"
+
 #else
 
 /* All other environments */
@@ -158,13 +161,6 @@
 #define COMPILER_DEPENDENT_INT64   long long
 #define COMPILER_DEPENDENT_UINT64  unsigned long long
 
-/*
- * This macro is used to tag functions as "printf-like" because
- * some compilers can catch printf format string problems. MSVC
- * doesn't, so this is proprocessed away.
- */
-#define ACPI_PRINTF_LIKE_FUNC
-
 #endif
 
 /*
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index ea2a632..da80933 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -48,12 +48,14 @@
 
 #define ACPI_GET_FUNCTION_NAME          __FUNCTION__
 
-/* This macro is used to tag functions as "printf-like" because
+/*
+ * This macro is used to tag functions as "printf-like" because
  * some compilers (like GCC) can catch printf format string problems.
  */
-#define ACPI_PRINTF_LIKE_FUNC __attribute__ ((__format__ (__printf__, 6, 7)))
+#define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1)))
 
-/* Some compilers complain about unused variables. Sometimes we don't want to
+/*
+ * Some compilers complain about unused variables. Sometimes we don't want to
  * use all the variables (for example, _acpi_module_name). This allows us
  * to to tell the compiler warning in a per-variable manner that a variable
  * is unused.
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index c21c27f..2e6d545 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -102,4 +102,6 @@
 
 #include "acgcc.h"
 
+#define acpi_cpu_flags unsigned long
+
 #endif				/* __ACLINUX_H__ */