cregit-Linux how code gets into the kernel

Release 4.11 drivers/acpi/acpica/dbfileio.c

/*******************************************************************************
 *
 * Module Name: dbfileio - Debugger file I/O commands. These can't usually
 *              be used when running the debugger in Ring 0 (Kernel mode)
 *
 ******************************************************************************/

/*
 * Copyright (C) 2000 - 2017, 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 "accommon.h"
#include "acdebug.h"
#include "actables.h"


#define _COMPONENT          ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbfileio")

#ifdef ACPI_APPLICATION
#include "acapps.h"
#ifdef ACPI_DEBUGGER
/*******************************************************************************
 *
 * FUNCTION:    acpi_db_close_debug_file
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: If open, close the current debug output file
 *
 ******************************************************************************/

void acpi_db_close_debug_file(void) { if (acpi_gbl_debug_file) { fclose(acpi_gbl_debug_file); acpi_gbl_debug_file = NULL; acpi_gbl_db_output_to_file = FALSE; acpi_os_printf("Debug output file %s closed\n", acpi_gbl_db_debug_filename); } }

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Lv Zheng33100.00%1100.00%
Total33100.00%1100.00%

/******************************************************************************* * * FUNCTION: acpi_db_open_debug_file * * PARAMETERS: name - Filename to open * * RETURN: None * * DESCRIPTION: Open a file where debug output will be directed. * ******************************************************************************/
void acpi_db_open_debug_file(char *name) { acpi_db_close_debug_file(); acpi_gbl_debug_file = fopen(name, "w+"); if (!acpi_gbl_debug_file) { acpi_os_printf("Could not open debug file %s\n", name); return; } acpi_os_printf("Debug output file %s opened\n", name); strncpy(acpi_gbl_db_debug_filename, name, sizeof(acpi_gbl_db_debug_filename)); acpi_gbl_db_output_to_file = TRUE; }

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Total59100.00%1100.00%

#endif /******************************************************************************* * * FUNCTION: acpi_db_load_tables * * PARAMETERS: list_head - List of ACPI tables to load * * RETURN: Status * * DESCRIPTION: Load ACPI tables from a previously constructed table list. * ******************************************************************************/
acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head) { acpi_status status; struct acpi_new_table_desc *table_list_head; struct acpi_table_header *table; /* Load all ACPI tables in the list */ table_list_head = list_head; while (table_list_head) { table = table_list_head->table; status = acpi_load_table(table); if (ACPI_FAILURE(status)) { if (status == AE_ALREADY_EXISTS) { acpi_os_printf ("Table %4.4s is already installed\n", table->signature); } else { acpi_os_printf("Could not install table, %s\n", acpi_format_exception(status)); } return (status); } acpi_os_printf ("Acpi table [%4.4s] successfully installed and loaded\n", table->signature); table_list_head = table_list_head->next; } return (AE_OK); }

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Total111100.00%3100.00%

#endif

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Robert Moore208.30%250.00%
Total241100.00%4100.00%
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