1 files changed, 651 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
new file mode 100644
index 000000000000..9a3538c497d0
--- /dev/null
+++ b/drivers/acpi/acpica/utdebug.c
@@ -0,0 +1,651 @@
+/******************************************************************************
+ *
+ * Module Name: utdebug - Debug print routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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.
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/accommon.h>
+
+#define _COMPONENT          ACPI_UTILITIES
+ACPI_MODULE_NAME("utdebug")
+#ifdef ACPI_DEBUG_OUTPUT
+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);
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_init_stack_ptr_trace
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
+ *
+ ******************************************************************************/
+
+void acpi_ut_init_stack_ptr_trace(void)
+{
+        acpi_size current_sp;
+
+        acpi_gbl_entry_stack_pointer = &current_sp;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_track_stack_ptr
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Save the current CPU stack pointer
+ *
+ ******************************************************************************/
+
+void acpi_ut_track_stack_ptr(void)
+{
+        acpi_size 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) {
+                acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
+        }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_trim_function_name
+ *
+ * PARAMETERS:  function_name       - Ascii string containing a procedure name
+ *
+ * RETURN:      Updated pointer to the function name
+ *
+ * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
+ *              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)
+{
+
+        /* All Function names are longer than 4 chars, check is safe */
+
+        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_PREFIX_LOWER) {
+
+                /* This is the case where the source has been 'linuxized' */
+
+                return (function_name + 5);
+        }
+
+        return (function_name);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_debug_print
+ *
+ * PARAMETERS:  requested_debug_level - Requested debug print level
+ *              line_number         - Caller's line number (for error output)
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              Format              - Printf format field
+ *              ...                 - Optional printf arguments
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print error message with prefix consisting of the module name,
+ *              line number, and component ID.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_debug_print(u32 requested_debug_level,
+                 u32 line_number,
+                 const char *function_name,
+                 const char *module_name,
+                 u32 component_id, const char *format, ...)
+{
+        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)) {
+                return;
+        }
+
+        /*
+         * Thread tracking and context switch notification
+         */
+        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 %lX to TID %lX ****\n\n",
+                             (unsigned long)acpi_gbl_prev_thread_id,
+                             (unsigned long)thread_id);
+                }
+
+                acpi_gbl_prev_thread_id = thread_id;
+        }
+
+        /*
+         * 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);
+
+        if (ACPI_LV_THREADS & acpi_dbg_level) {
+                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));
+
+        va_start(args, format);
+        acpi_os_vprintf(format, args);
+        va_end(args);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_debug_print)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_debug_print_raw
+ *
+ * PARAMETERS:  requested_debug_level - Requested debug print level
+ *              line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              Format              - Printf format field
+ *              ...                 - Optional printf arguments
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print message with no headers.  Has same interface as
+ *              debug_print so that the same macros can be used.
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_debug_print_raw(u32 requested_debug_level,
+                     u32 line_number,
+                     const char *function_name,
+                     const char *module_name,
+                     u32 component_id, const char *format, ...)
+{
+        va_list args;
+
+        if (!(requested_debug_level & acpi_dbg_level) ||
+            !(component_id & acpi_dbg_layer)) {
+                return;
+        }
+
+        va_start(args, format);
+        acpi_os_vprintf(format, args);
+        va_end(args);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_debug_print_raw)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_trace
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level
+ *
+ ******************************************************************************/
+void
+acpi_ut_trace(u32 line_number,
+              const char *function_name,
+              const char *module_name, u32 component_id)
+{
+
+        acpi_gbl_nesting_level++;
+        acpi_ut_track_stack_ptr();
+
+        acpi_debug_print(ACPI_LV_FUNCTIONS,
+                         line_number, function_name, module_name, component_id,
+                         "%s\n", acpi_gbl_fn_entry_str);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_trace)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_trace_ptr
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              Pointer             - Pointer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level
+ *
+ ******************************************************************************/
+void
+acpi_ut_trace_ptr(u32 line_number,
+                  const char *function_name,
+                  const char *module_name, u32 component_id, void *pointer)
+{
+        acpi_gbl_nesting_level++;
+        acpi_ut_track_stack_ptr();
+
+        acpi_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
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              String              - Additional string to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_trace_str(u32 line_number,
+                  const char *function_name,
+                  const char *module_name, u32 component_id, char *string)
+{
+
+        acpi_gbl_nesting_level++;
+        acpi_ut_track_stack_ptr();
+
+        acpi_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
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              Integer             - Integer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_trace_u32(u32 line_number,
+                  const char *function_name,
+                  const char *module_name, u32 component_id, u32 integer)
+{
+
+        acpi_gbl_nesting_level++;
+        acpi_ut_track_stack_ptr();
+
+        acpi_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
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_exit(u32 line_number,
+             const char *function_name,
+             const char *module_name, u32 component_id)
+{
+
+        acpi_debug_print(ACPI_LV_FUNCTIONS,
+                         line_number, function_name, module_name, component_id,
+                         "%s\n", acpi_gbl_fn_exit_str);
+
+        acpi_gbl_nesting_level--;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_exit)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_status_exit
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              Status              - Exit status code
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level. Prints exit status also.
+ *
+ ******************************************************************************/
+void
+acpi_ut_status_exit(u32 line_number,
+                    const char *function_name,
+                    const char *module_name,
+                    u32 component_id, acpi_status status)
+{
+
+        if (ACPI_SUCCESS(status)) {
+                acpi_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_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--;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_value_exit
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              Value               - Value to be printed with exit msg
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level. Prints exit value also.
+ *
+ ******************************************************************************/
+void
+acpi_ut_value_exit(u32 line_number,
+                   const char *function_name,
+                   const char *module_name,
+                   u32 component_id, acpi_integer value)
+{
+
+        acpi_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--;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_ptr_exit
+ *
+ * PARAMETERS:  line_number         - Caller's line number
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
+ *              Ptr                 - Pointer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in debug_level. Prints exit value also.
+ *
+ ******************************************************************************/
+void
+acpi_ut_ptr_exit(u32 line_number,
+                 const char *function_name,
+                 const char *module_name, u32 component_id, u8 *ptr)
+{
+
+        acpi_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
+ *
+ * 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_buffer2(u8 * buffer, u32 count, u32 display)
+{
+        u32 i = 0;
+        u32 j;
+        u32 temp32;
+        u8 buf_char;
+
+        if (!buffer) {
+                acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
+                return;
+        }
+
+        if ((count < 4) || (count & 0x01)) {
+                display = DB_BYTE_DISPLAY;
+        }
+
+        /* Nasty little dump buffer routine! */
+
+        while (i < count) {
+
+                /* Print current offset */
+
+                acpi_os_printf("%6.4X: ", i);
+
+                /* Print 16 hex chars */
+
+                for (j = 0; j < 16;) {
+                        if (i + j >= count) {
+
+                                /* Dump fill spaces */
+
+                                acpi_os_printf("%*s", ((display * 2) + 1), " ");
+                                j += display;
+                                continue;
+                        }
+
+                        switch (display) {
+                        case DB_BYTE_DISPLAY:
+                        default:        /* Default is BYTE display */
+
+                                acpi_os_printf("%02X ",
+                                               buffer[(acpi_size) i + j]);
+                                break;
+
+                        case DB_WORD_DISPLAY:
+
+                                ACPI_MOVE_16_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j]);
+                                acpi_os_printf("%04X ", temp32);
+                                break;
+
+                        case DB_DWORD_DISPLAY:
+
+                                ACPI_MOVE_32_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j]);
+                                acpi_os_printf("%08X ", temp32);
+                                break;
+
+                        case DB_QWORD_DISPLAY:
+
+                                ACPI_MOVE_32_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j]);
+                                acpi_os_printf("%08X", temp32);
+
+                                ACPI_MOVE_32_TO_32(&temp32,
+                                                   &buffer[(acpi_size) i + j +
+                                                           4]);
+                                acpi_os_printf("%08X ", temp32);
+                                break;
+                        }
+
+                        j += display;
+                }
+
+                /*
+                 * Print the ASCII equivalent characters but watch out for the bad
+                 * unprintable ones (printable chars are 0x20 through 0x7E)
+                 */
+                acpi_os_printf(" ");
+                for (j = 0; j < 16; j++) {
+                        if (i + j >= count) {
+                                acpi_os_printf("\n");
+                                return;
+                        }
+
+                        buf_char = buffer[(acpi_size) i + j];
+                        if (ACPI_IS_PRINT(buf_char)) {
+                                acpi_os_printf("%c", buf_char);
+                        } else {
+                                acpi_os_printf(".");
+                        }
+                }
+
+                /* Done with that line. */
+
+                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);
+}