x86 ACPI: normalize segment descriptor register on resume
[safe/jmp/linux-2.6] / drivers / acpi / utilities / utdebug.c
index c27cbb7..f938f46 100644 (file)
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-#include <linux/module.h>
-
 #include <acpi/acpi.h>
 
 #define _COMPONENT          ACPI_UTILITIES
-        ACPI_MODULE_NAME    ("utdebug")
-
-
+ACPI_MODULE_NAME("utdebug")
 #ifdef ACPI_DEBUG_OUTPUT
-
-static u32   acpi_gbl_prev_thread_id = 0xFFFFFFFF;
-static char     *acpi_gbl_fn_entry_str = "----Entry";
-static char     *acpi_gbl_fn_exit_str = "----Exit-";
+static acpi_thread_id acpi_gbl_prev_thread_id;
+static char *acpi_gbl_fn_entry_str = "----Entry";
+static char *acpi_gbl_fn_exit_str = "----Exit-";
 
 /* Local prototypes */
 
-static const char *
-acpi_ut_trim_function_name (
-       const char                      *function_name);
-
+static const char *acpi_ut_trim_function_name(const char *function_name);
 
 /*******************************************************************************
  *
@@ -74,17 +66,13 @@ acpi_ut_trim_function_name (
  *
  ******************************************************************************/
 
-void
-acpi_ut_init_stack_ptr_trace (
-       void)
+void acpi_ut_init_stack_ptr_trace(void)
 {
-       u32                             current_sp;
+       acpi_size current_sp;
 
-
-       acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (&current_sp, NULL);
+       acpi_gbl_entry_stack_pointer = &current_sp;
 }
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_track_stack_ptr
@@ -97,17 +85,12 @@ acpi_ut_init_stack_ptr_trace (
  *
  ******************************************************************************/
 
-void
-acpi_ut_track_stack_ptr (
-       void)
+void acpi_ut_track_stack_ptr(void)
 {
-       acpi_size                       current_sp;
-
+       acpi_size current_sp;
 
-       current_sp = ACPI_PTR_DIFF (&current_sp, NULL);
-
-       if (current_sp < acpi_gbl_lowest_stack_pointer) {
-               acpi_gbl_lowest_stack_pointer = current_sp;
+       if (&current_sp < acpi_gbl_lowest_stack_pointer) {
+               acpi_gbl_lowest_stack_pointer = &current_sp;
        }
 
        if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
@@ -115,7 +98,6 @@ acpi_ut_track_stack_ptr (
        }
 }
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_trim_function_name
@@ -125,25 +107,25 @@ acpi_ut_track_stack_ptr (
  * RETURN:      Updated pointer to the function name
  *
  * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
- *              This allows compiler macros such as __FUNCTION__ to be used
+ *              This allows compiler macros such as __func__ to be used
  *              with no change to the debug output.
  *
  ******************************************************************************/
 
-static const char *
-acpi_ut_trim_function_name (
-       const char                      *function_name)
+static const char *acpi_ut_trim_function_name(const char *function_name)
 {
 
        /* All Function names are longer than 4 chars, check is safe */
 
-       if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX1) {
+       if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
+
                /* This is the case where the original source has not been modified */
 
                return (function_name + 4);
        }
 
-       if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX2) {
+       if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
+
                /* This is the case where the source has been 'linuxized' */
 
                return (function_name + 5);
@@ -152,7 +134,6 @@ acpi_ut_trim_function_name (
        return (function_name);
 }
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_debug_print
@@ -172,38 +153,33 @@ acpi_ut_trim_function_name (
  *
  ******************************************************************************/
 
-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,
-       ...)
+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, ...)
 {
-       u32                             thread_id;
-       va_list                 args;
-
+       acpi_thread_id thread_id;
+       va_list args;
 
        /*
         * Stay silent if the debug level or component ID is disabled
         */
        if (!(requested_debug_level & acpi_dbg_level) ||
-               !(component_id & acpi_dbg_layer)) {
+           !(component_id & acpi_dbg_layer)) {
                return;
        }
 
        /*
         * Thread tracking and context switch notification
         */
-       thread_id = acpi_os_get_thread_id ();
-
+       thread_id = acpi_os_get_thread_id();
        if (thread_id != acpi_gbl_prev_thread_id) {
                if (ACPI_LV_THREADS & acpi_dbg_level) {
-                       acpi_os_printf (
-                               "\n**** Context Switch from TID %X to TID %X ****\n\n",
-                               acpi_gbl_prev_thread_id, thread_id);
+                       acpi_os_printf
+                           ("\n**** Context Switch from TID %lX to TID %lX ****\n\n",
+                            (unsigned long)acpi_gbl_prev_thread_id,
+                            (unsigned long)thread_id);
                }
 
                acpi_gbl_prev_thread_id = thread_id;
@@ -213,20 +189,22 @@ acpi_ut_debug_print (
         * Display the module name, current line number, thread ID (if requested),
         * current procedure nesting level, and the current procedure name
         */
-       acpi_os_printf ("%8s-%04ld ", module_name, line_number);
+       acpi_os_printf("%8s-%04ld ", module_name, line_number);
 
        if (ACPI_LV_THREADS & acpi_dbg_level) {
-               acpi_os_printf ("[%04lX] ", thread_id);
+               acpi_os_printf("[%04lX] ", (unsigned long)thread_id);
        }
 
-       acpi_os_printf ("[%02ld] %-22.22s: ",
-               acpi_gbl_nesting_level, acpi_ut_trim_function_name (function_name));
+       acpi_os_printf("[%02ld] %-22.22s: ",
+                      acpi_gbl_nesting_level,
+                      acpi_ut_trim_function_name(function_name));
 
-       va_start (args, format);
-       acpi_os_vprintf (format, args);
+       va_start(args, format);
+       acpi_os_vprintf(format, args);
+       va_end(args);
 }
 
-EXPORT_SYMBOL(acpi_ut_debug_print);
+ACPI_EXPORT_SYMBOL(acpi_ut_debug_print)
 
 /*******************************************************************************
  *
@@ -246,30 +224,25 @@ EXPORT_SYMBOL(acpi_ut_debug_print);
  *              debug_print so that the same macros can be used.
  *
  ******************************************************************************/
-
-void  ACPI_INTERNAL_VAR_XFACE
-acpi_ut_debug_print_raw (
-       u32                             requested_debug_level,
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id,
-       char                            *format,
-       ...)
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_debug_print_raw(u32 requested_debug_level,
+                       u32 line_number,
+                       const char *function_name,
+                       char *module_name, u32 component_id, char *format, ...)
 {
-       va_list                 args;
-
+       va_list args;
 
        if (!(requested_debug_level & acpi_dbg_level) ||
-               !(component_id & acpi_dbg_layer)) {
+           !(component_id & acpi_dbg_layer)) {
                return;
        }
 
-       va_start (args, format);
-       acpi_os_vprintf (format, args);
+       va_start(args, format);
+       acpi_os_vprintf(format, args);
+       va_end(args);
 }
-EXPORT_SYMBOL(acpi_ut_debug_print_raw);
 
+ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
 
 /*******************************************************************************
  *
@@ -286,24 +259,20 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
  *              set in debug_level
  *
  ******************************************************************************/
-
 void
-acpi_ut_trace (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id)
+acpi_ut_trace(u32 line_number,
+             const char *function_name, char *module_name, u32 component_id)
 {
 
        acpi_gbl_nesting_level++;
-       acpi_ut_track_stack_ptr ();
+       acpi_ut_track_stack_ptr();
 
-       acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-               line_number, function_name, module_name, component_id,
-               "%s\n", acpi_gbl_fn_entry_str);
+       acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                           line_number, function_name, module_name,
+                           component_id, "%s\n", acpi_gbl_fn_entry_str);
 }
-EXPORT_SYMBOL(acpi_ut_trace);
 
+ACPI_EXPORT_SYMBOL(acpi_ut_trace)
 
 /*******************************************************************************
  *
@@ -321,24 +290,20 @@ EXPORT_SYMBOL(acpi_ut_trace);
  *              set in debug_level
  *
  ******************************************************************************/
-
 void
-acpi_ut_trace_ptr (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id,
-       void                            *pointer)
+acpi_ut_trace_ptr(u32 line_number,
+                 const char *function_name,
+                 char *module_name, u32 component_id, void *pointer)
 {
        acpi_gbl_nesting_level++;
-       acpi_ut_track_stack_ptr ();
+       acpi_ut_track_stack_ptr();
 
-       acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-               line_number, function_name, module_name, component_id,
-               "%s %p\n", acpi_gbl_fn_entry_str, pointer);
+       acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                           line_number, function_name, module_name,
+                           component_id, "%s %p\n", acpi_gbl_fn_entry_str,
+                           pointer);
 }
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_trace_str
@@ -357,23 +322,20 @@ acpi_ut_trace_ptr (
  ******************************************************************************/
 
 void
-acpi_ut_trace_str (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id,
-       char                            *string)
+acpi_ut_trace_str(u32 line_number,
+                 const char *function_name,
+                 char *module_name, u32 component_id, char *string)
 {
 
        acpi_gbl_nesting_level++;
-       acpi_ut_track_stack_ptr ();
+       acpi_ut_track_stack_ptr();
 
-       acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-               line_number, function_name, module_name, component_id,
-               "%s %s\n", acpi_gbl_fn_entry_str, string);
+       acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                           line_number, function_name, module_name,
+                           component_id, "%s %s\n", acpi_gbl_fn_entry_str,
+                           string);
 }
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_trace_u32
@@ -392,23 +354,20 @@ acpi_ut_trace_str (
  ******************************************************************************/
 
 void
-acpi_ut_trace_u32 (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id,
-       u32                             integer)
+acpi_ut_trace_u32(u32 line_number,
+                 const char *function_name,
+                 char *module_name, u32 component_id, u32 integer)
 {
 
        acpi_gbl_nesting_level++;
-       acpi_ut_track_stack_ptr ();
+       acpi_ut_track_stack_ptr();
 
-       acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-               line_number, function_name, module_name, component_id,
-               "%s %08X\n", acpi_gbl_fn_entry_str, integer);
+       acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                           line_number, function_name, module_name,
+                           component_id, "%s %08X\n", acpi_gbl_fn_entry_str,
+                           integer);
 }
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_exit
@@ -426,21 +385,18 @@ acpi_ut_trace_u32 (
  ******************************************************************************/
 
 void
-acpi_ut_exit (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id)
+acpi_ut_exit(u32 line_number,
+            const char *function_name, char *module_name, u32 component_id)
 {
 
-       acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-               line_number, function_name, module_name, component_id,
-               "%s\n", acpi_gbl_fn_exit_str);
+       acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                           line_number, function_name, module_name,
+                           component_id, "%s\n", acpi_gbl_fn_exit_str);
 
        acpi_gbl_nesting_level--;
 }
-EXPORT_SYMBOL(acpi_ut_exit);
 
+ACPI_EXPORT_SYMBOL(acpi_ut_exit)
 
 /*******************************************************************************
  *
@@ -458,33 +414,30 @@ EXPORT_SYMBOL(acpi_ut_exit);
  *              set in debug_level. Prints exit status also.
  *
  ******************************************************************************/
-
 void
-acpi_ut_status_exit (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id,
-       acpi_status                     status)
+acpi_ut_status_exit(u32 line_number,
+                   const char *function_name,
+                   char *module_name, u32 component_id, acpi_status status)
 {
 
-       if (ACPI_SUCCESS (status)) {
-               acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                       line_number, function_name, module_name, component_id,
-                       "%s %s\n", acpi_gbl_fn_exit_str,
-                       acpi_format_exception (status));
-       }
-       else {
-               acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                       line_number, function_name, module_name, component_id,
-                       "%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
-                       acpi_format_exception (status));
+       if (ACPI_SUCCESS(status)) {
+               acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                                   line_number, function_name, module_name,
+                                   component_id, "%s %s\n",
+                                   acpi_gbl_fn_exit_str,
+                                   acpi_format_exception(status));
+       } else {
+               acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                                   line_number, function_name, module_name,
+                                   component_id, "%s ****Exception****: %s\n",
+                                   acpi_gbl_fn_exit_str,
+                                   acpi_format_exception(status));
        }
 
        acpi_gbl_nesting_level--;
 }
-EXPORT_SYMBOL(acpi_ut_status_exit);
 
+ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
 
 /*******************************************************************************
  *
@@ -502,25 +455,21 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
  *              set in debug_level. Prints exit value also.
  *
  ******************************************************************************/
-
 void
-acpi_ut_value_exit (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id,
-       acpi_integer                    value)
+acpi_ut_value_exit(u32 line_number,
+                  const char *function_name,
+                  char *module_name, u32 component_id, acpi_integer value)
 {
 
-       acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-               line_number, function_name, module_name, component_id,
-               "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
-               ACPI_FORMAT_UINT64 (value));
+       acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                           line_number, function_name, module_name,
+                           component_id, "%s %8.8X%8.8X\n",
+                           acpi_gbl_fn_exit_str, ACPI_FORMAT_UINT64(value));
 
        acpi_gbl_nesting_level--;
 }
-EXPORT_SYMBOL(acpi_ut_value_exit);
 
+ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
 
 /*******************************************************************************
  *
@@ -538,26 +487,21 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
  *              set in debug_level. Prints exit value also.
  *
  ******************************************************************************/
-
 void
-acpi_ut_ptr_exit (
-       u32                             line_number,
-       const char                      *function_name,
-       char                            *module_name,
-       u32                             component_id,
-       u8                              *ptr)
+acpi_ut_ptr_exit(u32 line_number,
+                const char *function_name,
+                char *module_name, u32 component_id, u8 * ptr)
 {
 
-       acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-               line_number, function_name, module_name, component_id,
-               "%s %p\n", acpi_gbl_fn_exit_str, ptr);
+       acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+                           line_number, function_name, module_name,
+                           component_id, "%s %p\n", acpi_gbl_fn_exit_str, ptr);
 
        acpi_gbl_nesting_level--;
 }
 
 #endif
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_dump_buffer
@@ -573,23 +517,15 @@ acpi_ut_ptr_exit (
  *
  ******************************************************************************/
 
-void
-acpi_ut_dump_buffer (
-       u8                              *buffer,
-       u32                             count,
-       u32                             display,
-       u32                             component_id)
+void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
 {
-       acpi_native_uint                i = 0;
-       acpi_native_uint                j;
-       u32                             temp32;
-       u8                              buf_char;
-
-
-       /* Only dump the buffer if tracing is enabled */
+       acpi_native_uint i = 0;
+       acpi_native_uint j;
+       u32 temp32;
+       u8 buf_char;
 
-       if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
-               (component_id & acpi_dbg_layer))) {
+       if (!buffer) {
+               acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
                return;
        }
 
@@ -600,49 +536,49 @@ acpi_ut_dump_buffer (
        /* Nasty little dump buffer routine! */
 
        while (i < count) {
+
                /* Print current offset */
 
-               acpi_os_printf ("%6.4X: ", (u32) i);
+               acpi_os_printf("%6.4X: ", (u32) i);
 
                /* Print 16 hex chars */
 
                for (j = 0; j < 16;) {
                        if (i + j >= count) {
+
                                /* Dump fill spaces */
 
-                               acpi_os_printf ("%*s", ((display * 2) + 1), " ");
+                               acpi_os_printf("%*s", ((display * 2) + 1), " ");
                                j += (acpi_native_uint) display;
                                continue;
                        }
 
                        switch (display) {
-                       default:    /* Default is BYTE display */
+                       case DB_BYTE_DISPLAY:
+                       default:        /* Default is BYTE display */
 
-                               acpi_os_printf ("%02X ", buffer[i + j]);
+                               acpi_os_printf("%02X ", buffer[i + j]);
                                break;
 
-
                        case DB_WORD_DISPLAY:
 
-                               ACPI_MOVE_16_TO_32 (&temp32, &buffer[i + j]);
-                               acpi_os_printf ("%04X ", temp32);
+                               ACPI_MOVE_16_TO_32(&temp32, &buffer[i + j]);
+                               acpi_os_printf("%04X ", temp32);
                                break;
 
-
                        case DB_DWORD_DISPLAY:
 
-                               ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j]);
-                               acpi_os_printf ("%08X ", temp32);
+                               ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]);
+                               acpi_os_printf("%08X ", temp32);
                                break;
 
-
                        case DB_QWORD_DISPLAY:
 
-                               ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j]);
-                               acpi_os_printf ("%08X", temp32);
+                               ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]);
+                               acpi_os_printf("%08X", temp32);
 
-                               ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j + 4]);
-                               acpi_os_printf ("%08X ", temp32);
+                               ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j + 4]);
+                               acpi_os_printf("%08X ", temp32);
                                break;
                        }
 
@@ -653,28 +589,54 @@ acpi_ut_dump_buffer (
                 * Print the ASCII equivalent characters but watch out for the bad
                 * unprintable ones (printable chars are 0x20 through 0x7E)
                 */
-               acpi_os_printf (" ");
+               acpi_os_printf(" ");
                for (j = 0; j < 16; j++) {
                        if (i + j >= count) {
-                               acpi_os_printf ("\n");
+                               acpi_os_printf("\n");
                                return;
                        }
 
                        buf_char = buffer[i + j];
-                       if (ACPI_IS_PRINT (buf_char)) {
-                               acpi_os_printf ("%c", buf_char);
-                       }
-                       else {
-                               acpi_os_printf (".");
+                       if (ACPI_IS_PRINT(buf_char)) {
+                               acpi_os_printf("%c", buf_char);
+                       } else {
+                               acpi_os_printf(".");
                        }
                }
 
                /* Done with that line. */
 
-               acpi_os_printf ("\n");
+               acpi_os_printf("\n");
                i += 16;
        }
 
        return;
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_dump_buffer
+ *
+ * PARAMETERS:  Buffer              - Buffer to dump
+ *              Count               - Amount to dump, in bytes
+ *              Display             - BYTE, WORD, DWORD, or QWORD display
+ *              component_iD        - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
+{
+
+       /* Only dump the buffer if tracing is enabled */
+
+       if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
+             (component_id & acpi_dbg_layer))) {
+               return;
+       }
+
+       acpi_ut_dump_buffer2(buffer, count, display);
+}