ACPICA: Split exception code utilities to a new file, utexcep.c
authorBob Moore <robert.moore@intel.com>
Mon, 16 Jul 2012 01:10:58 +0000 (09:10 +0800)
committerLen Brown <len.brown@intel.com>
Tue, 17 Jul 2012 04:05:49 +0000 (00:05 -0400)
Simplifies sharing of these functions.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/acpica/Makefile
drivers/acpi/acpica/acglobal.h
drivers/acpi/acpica/utdecode.c
drivers/acpi/acpica/utexcep.c [new file with mode: 0644]
drivers/acpi/acpica/utmisc.c
include/acpi/acexcep.h

index 793b8cc..fa9a7d5 100644 (file)
@@ -140,6 +140,7 @@ acpi-y +=           \
        utaddress.o     \
        utalloc.o       \
        utcopy.o        \
+       utexcep.o       \
        utdebug.o       \
        utdecode.o      \
        utdelete.o      \
index 92fab6a..ce79100 100644 (file)
@@ -326,14 +326,6 @@ extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
 
 #endif
 
-/* Exception codes */
-
-extern char const *acpi_gbl_exception_names_env[];
-extern char const *acpi_gbl_exception_names_pgm[];
-extern char const *acpi_gbl_exception_names_tbl[];
-extern char const *acpi_gbl_exception_names_aml[];
-extern char const *acpi_gbl_exception_names_ctrl[];
-
 /*****************************************************************************
  *
  * Namespace globals
index 6848499..c8c130c 100644 (file)
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utdecode")
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_format_exception
- *
- * PARAMETERS:  Status       - The acpi_status code to be formatted
- *
- * RETURN:      A string containing the exception text. A valid pointer is
- *              always returned.
- *
- * DESCRIPTION: This function translates an ACPI exception into an ASCII string
- *              It is here instead of utxface.c so it is always present.
- *
- ******************************************************************************/
-const char *acpi_format_exception(acpi_status status)
-{
-       const char *exception = NULL;
-
-       ACPI_FUNCTION_ENTRY();
-
-       exception = acpi_ut_validate_exception(status);
-       if (!exception) {
-
-               /* Exception code was not recognized */
-
-               ACPI_ERROR((AE_INFO,
-                           "Unknown exception code: 0x%8.8X", status));
-
-               exception = "UNKNOWN_STATUS_CODE";
-       }
-
-       return (ACPI_CAST_PTR(const char, exception));
-}
-
-ACPI_EXPORT_SYMBOL(acpi_format_exception)
-
 /*
  * Properties of the ACPI Object Types, both internal and external.
  * The table is indexed by values of acpi_object_type
diff --git a/drivers/acpi/acpica/utexcep.c b/drivers/acpi/acpica/utexcep.c
new file mode 100644 (file)
index 0000000..23b9894
--- /dev/null
@@ -0,0 +1,153 @@
+/*******************************************************************************
+ *
+ * Module Name: utexcep - Exception code support
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, 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.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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_DEFINE_EXCEPTION_TABLE
+#include <linux/export.h>
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+ACPI_MODULE_NAME("utexcep")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_format_exception
+ *
+ * PARAMETERS:  status              - The acpi_status code to be formatted
+ *
+ * RETURN:      A string containing the exception text. A valid pointer is
+ *              always returned.
+ *
+ * DESCRIPTION: This function translates an ACPI exception into an ASCII
+ *              string. Returns "unknown status" string for invalid codes.
+ *
+ ******************************************************************************/
+const char *acpi_format_exception(acpi_status status)
+{
+       const char *exception = NULL;
+
+       ACPI_FUNCTION_ENTRY();
+
+       exception = acpi_ut_validate_exception(status);
+       if (!exception) {
+
+               /* Exception code was not recognized */
+
+               ACPI_ERROR((AE_INFO,
+                           "Unknown exception code: 0x%8.8X", status));
+
+               exception = "UNKNOWN_STATUS_CODE";
+       }
+
+       return (ACPI_CAST_PTR(const char, exception));
+}
+
+ACPI_EXPORT_SYMBOL(acpi_format_exception)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_validate_exception
+ *
+ * PARAMETERS:  status              - The acpi_status code to be formatted
+ *
+ * RETURN:      A string containing the exception text. NULL if exception is
+ *              not valid.
+ *
+ * DESCRIPTION: This function validates and translates an ACPI exception into
+ *              an ASCII string.
+ *
+ ******************************************************************************/
+const char *acpi_ut_validate_exception(acpi_status status)
+{
+       u32 sub_status;
+       const char *exception = NULL;
+
+       ACPI_FUNCTION_ENTRY();
+
+       /*
+        * Status is composed of two parts, a "type" and an actual code
+        */
+       sub_status = (status & ~AE_CODE_MASK);
+
+       switch (status & AE_CODE_MASK) {
+       case AE_CODE_ENVIRONMENTAL:
+
+               if (sub_status <= AE_CODE_ENV_MAX) {
+                       exception = acpi_gbl_exception_names_env[sub_status];
+               }
+               break;
+
+       case AE_CODE_PROGRAMMER:
+
+               if (sub_status <= AE_CODE_PGM_MAX) {
+                       exception = acpi_gbl_exception_names_pgm[sub_status];
+               }
+               break;
+
+       case AE_CODE_ACPI_TABLES:
+
+               if (sub_status <= AE_CODE_TBL_MAX) {
+                       exception = acpi_gbl_exception_names_tbl[sub_status];
+               }
+               break;
+
+       case AE_CODE_AML:
+
+               if (sub_status <= AE_CODE_AML_MAX) {
+                       exception = acpi_gbl_exception_names_aml[sub_status];
+               }
+               break;
+
+       case AE_CODE_CONTROL:
+
+               if (sub_status <= AE_CODE_CTRL_MAX) {
+                       exception = acpi_gbl_exception_names_ctrl[sub_status];
+               }
+               break;
+
+       default:
+               break;
+       }
+
+       return (ACPI_CAST_PTR(const char, exception));
+}
index 577a44e..e30c060 100644 (file)
@@ -82,75 +82,6 @@ void ut_convert_backslashes(char *pathname)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_validate_exception
- *
- * PARAMETERS:  Status       - The acpi_status code to be formatted
- *
- * RETURN:      A string containing the exception text. NULL if exception is
- *              not valid.
- *
- * DESCRIPTION: This function validates and translates an ACPI exception into
- *              an ASCII string.
- *
- ******************************************************************************/
-
-const char *acpi_ut_validate_exception(acpi_status status)
-{
-       u32 sub_status;
-       const char *exception = NULL;
-
-       ACPI_FUNCTION_ENTRY();
-
-       /*
-        * Status is composed of two parts, a "type" and an actual code
-        */
-       sub_status = (status & ~AE_CODE_MASK);
-
-       switch (status & AE_CODE_MASK) {
-       case AE_CODE_ENVIRONMENTAL:
-
-               if (sub_status <= AE_CODE_ENV_MAX) {
-                       exception = acpi_gbl_exception_names_env[sub_status];
-               }
-               break;
-
-       case AE_CODE_PROGRAMMER:
-
-               if (sub_status <= AE_CODE_PGM_MAX) {
-                       exception = acpi_gbl_exception_names_pgm[sub_status];
-               }
-               break;
-
-       case AE_CODE_ACPI_TABLES:
-
-               if (sub_status <= AE_CODE_TBL_MAX) {
-                       exception = acpi_gbl_exception_names_tbl[sub_status];
-               }
-               break;
-
-       case AE_CODE_AML:
-
-               if (sub_status <= AE_CODE_AML_MAX) {
-                       exception = acpi_gbl_exception_names_aml[sub_status];
-               }
-               break;
-
-       case AE_CODE_CONTROL:
-
-               if (sub_status <= AE_CODE_CTRL_MAX) {
-                       exception = acpi_gbl_exception_names_ctrl[sub_status];
-               }
-               break;
-
-       default:
-               break;
-       }
-
-       return (ACPI_CAST_PTR(const char, exception));
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ut_is_pci_root_bridge
  *
  * PARAMETERS:  Id              - The HID/CID in string format
index 92d6e1d..0b5dcb6 100644 (file)
@@ -52,6 +52,7 @@
 #define AE_CODE_ACPI_TABLES             0x2000
 #define AE_CODE_AML                     0x3000
 #define AE_CODE_CONTROL                 0x4000
+#define AE_CODE_MAX                     0x4000
 #define AE_CODE_MASK                    0xF000
 
 #define ACPI_SUCCESS(a)                 (!(a))
 
 /* Exception strings for acpi_format_exception */
 
-#ifdef DEFINE_ACPI_GLOBALS
+#ifdef ACPI_DEFINE_EXCEPTION_TABLE
 
 /*
  * String versions of the exception codes above
@@ -295,6 +296,6 @@ char const *acpi_gbl_exception_names_ctrl[] = {
        "AE_CTRL_PARSE_PENDING"
 };
 
-#endif                         /* ACPI GLOBALS */
+#endif                         /* EXCEPTION_TABLE */
 
 #endif                         /* __ACEXCEP_H__ */