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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/drivers/acpi/acpica/dbfileio.c
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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/*******************************************************************************
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*
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* Module Name: dbfileio - Debugger file I/O commands. These can't usually
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* be used when running the debugger in Ring 0 (Kernel mode)
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*
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******************************************************************************/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acdebug.h"
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#include "actables.h"
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME("dbfileio")
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#ifdef ACPI_APPLICATION
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#include "acapps.h"
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#ifdef ACPI_DEBUGGER
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_close_debug_file
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: If open, close the current debug output file
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*
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******************************************************************************/
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void acpi_db_close_debug_file(void)
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{
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if (acpi_gbl_debug_file) {
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fclose(acpi_gbl_debug_file);
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acpi_gbl_debug_file = NULL;
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acpi_gbl_db_output_to_file = FALSE;
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acpi_os_printf("Debug output file %s closed\n",
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acpi_gbl_db_debug_filename);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_open_debug_file
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*
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* PARAMETERS: name - Filename to open
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*
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* RETURN: None
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*
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* DESCRIPTION: Open a file where debug output will be directed.
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*
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******************************************************************************/
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void acpi_db_open_debug_file(char *name)
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{
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acpi_db_close_debug_file();
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acpi_gbl_debug_file = fopen(name, "w+");
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if (!acpi_gbl_debug_file) {
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acpi_os_printf("Could not open debug file %s\n", name);
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return;
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}
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acpi_os_printf("Debug output file %s opened\n", name);
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acpi_ut_safe_strncpy(acpi_gbl_db_debug_filename, name,
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sizeof(acpi_gbl_db_debug_filename));
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acpi_gbl_db_output_to_file = TRUE;
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}
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#endif
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_load_tables
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*
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* PARAMETERS: list_head - List of ACPI tables to load
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*
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* RETURN: Status
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*
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* DESCRIPTION: Load ACPI tables from a previously constructed table list.
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*
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******************************************************************************/
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acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head)
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{
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acpi_status status;
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struct acpi_new_table_desc *table_list_head;
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struct acpi_table_header *table;
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/* Load all ACPI tables in the list */
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table_list_head = list_head;
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while (table_list_head) {
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table = table_list_head->table;
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status = acpi_load_table(table, NULL);
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if (ACPI_FAILURE(status)) {
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if (status == AE_ALREADY_EXISTS) {
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acpi_os_printf
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("Table %4.4s is already installed\n",
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table->signature);
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} else {
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acpi_os_printf("Could not install table, %s\n",
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acpi_format_exception(status));
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}
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return (status);
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}
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acpi_os_printf
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("Acpi table [%4.4s] successfully installed and loaded\n",
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table->signature);
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table_list_head = table_list_head->next;
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}
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return (AE_OK);
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}
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#endif
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