summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/acpica/utfileio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/acpica/utfileio.c')
-rw-r--r--drivers/acpi/acpica/utfileio.c334
1 files changed, 0 insertions, 334 deletions
diff --git a/drivers/acpi/acpica/utfileio.c b/drivers/acpi/acpica/utfileio.c
deleted file mode 100644
index d435b7b7eb94..000000000000
--- a/drivers/acpi/acpica/utfileio.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: utfileio - simple file I/O routines
- *
- ******************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2015, 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 "actables.h"
-#include "acapps.h"
-#include "errno.h"
-
-#ifdef ACPI_ASL_COMPILER
-#include "aslcompiler.h"
-#endif
-
-#define _COMPONENT ACPI_CA_DEBUGGER
-ACPI_MODULE_NAME("utfileio")
-
-#ifdef ACPI_APPLICATION
-/* Local prototypes */
-static acpi_status
-acpi_ut_check_text_mode_corruption(u8 *table,
- u32 table_length, u32 file_length);
-
-static acpi_status
-acpi_ut_read_table(FILE * fp,
- struct acpi_table_header **table, u32 *table_length);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_check_text_mode_corruption
- *
- * PARAMETERS: table - Table buffer
- * table_length - Length of table from the table header
- * file_length - Length of the file that contains the table
- *
- * RETURN: Status
- *
- * DESCRIPTION: Check table for text mode file corruption where all linefeed
- * characters (LF) have been replaced by carriage return linefeed
- * pairs (CR/LF).
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_check_text_mode_corruption(u8 *table, u32 table_length, u32 file_length)
-{
- u32 i;
- u32 pairs = 0;
-
- if (table_length != file_length) {
- ACPI_WARNING((AE_INFO,
- "File length (0x%X) is not the same as the table length (0x%X)",
- file_length, table_length));
- }
-
- /* Scan entire table to determine if each LF has been prefixed with a CR */
-
- for (i = 1; i < file_length; i++) {
- if (table[i] == 0x0A) {
- if (table[i - 1] != 0x0D) {
-
- /* The LF does not have a preceding CR, table not corrupted */
-
- return (AE_OK);
- } else {
- /* Found a CR/LF pair */
-
- pairs++;
- }
- i++;
- }
- }
-
- if (!pairs) {
- return (AE_OK);
- }
-
- /*
- * Entire table scanned, each CR is part of a CR/LF pair --
- * meaning that the table was treated as a text file somewhere.
- *
- * NOTE: We can't "fix" the table, because any existing CR/LF pairs in the
- * original table are left untouched by the text conversion process --
- * meaning that we cannot simply replace CR/LF pairs with LFs.
- */
- acpi_os_printf("Table has been corrupted by text mode conversion\n");
- acpi_os_printf("All LFs (%u) were changed to CR/LF pairs\n", pairs);
- acpi_os_printf("Table cannot be repaired!\n");
- return (AE_BAD_VALUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_read_table
- *
- * PARAMETERS: fp - File that contains table
- * table - Return value, buffer with table
- * table_length - Return value, length of table
- *
- * RETURN: Status
- *
- * DESCRIPTION: Load the DSDT from the file pointer
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_read_table(FILE * fp,
- struct acpi_table_header **table, u32 *table_length)
-{
- struct acpi_table_header table_header;
- u32 actual;
- acpi_status status;
- u32 file_size;
- u8 standard_header = TRUE;
- s32 count;
-
- /* Get the file size */
-
- file_size = cm_get_file_size(fp);
- if (file_size == ACPI_UINT32_MAX) {
- return (AE_ERROR);
- }
-
- if (file_size < 4) {
- return (AE_BAD_HEADER);
- }
-
- /* Read the signature */
-
- fseek(fp, 0, SEEK_SET);
-
- count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp);
- if (count != sizeof(struct acpi_table_header)) {
- acpi_os_printf("Could not read the table header\n");
- return (AE_BAD_HEADER);
- }
-
- /* The RSDP table does not have standard ACPI header */
-
- if (ACPI_VALIDATE_RSDP_SIG(table_header.signature)) {
- *table_length = file_size;
- standard_header = FALSE;
- } else {
-
-#if 0
- /* Validate the table header/length */
-
- status = acpi_tb_validate_table_header(&table_header);
- if (ACPI_FAILURE(status)) {
- acpi_os_printf("Table header is invalid!\n");
- return (status);
- }
-#endif
-
- /* File size must be at least as long as the Header-specified length */
-
- if (table_header.length > file_size) {
- acpi_os_printf
- ("TableHeader length [0x%X] greater than the input file size [0x%X]\n",
- table_header.length, file_size);
-
-#ifdef ACPI_ASL_COMPILER
- acpi_os_printf("File is corrupt or is ASCII text -- "
- "it must be a binary file\n");
-#endif
- return (AE_BAD_HEADER);
- }
-#ifdef ACPI_OBSOLETE_CODE
- /* We only support a limited number of table types */
-
- if (!ACPI_COMPARE_NAME
- ((char *)table_header.signature, ACPI_SIG_DSDT)
- && !ACPI_COMPARE_NAME((char *)table_header.signature,
- ACPI_SIG_PSDT)
- && !ACPI_COMPARE_NAME((char *)table_header.signature,
- ACPI_SIG_SSDT)) {
- acpi_os_printf
- ("Table signature [%4.4s] is invalid or not supported\n",
- (char *)table_header.signature);
- ACPI_DUMP_BUFFER(&table_header,
- sizeof(struct acpi_table_header));
- return (AE_ERROR);
- }
-#endif
-
- *table_length = table_header.length;
- }
-
- /* Allocate a buffer for the table */
-
- *table = acpi_os_allocate((size_t) file_size);
- if (!*table) {
- acpi_os_printf
- ("Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
- table_header.signature, *table_length);
- return (AE_NO_MEMORY);
- }
-
- /* Get the rest of the table */
-
- fseek(fp, 0, SEEK_SET);
- actual = fread(*table, 1, (size_t) file_size, fp);
- if (actual == file_size) {
- if (standard_header) {
-
- /* Now validate the checksum */
-
- status = acpi_tb_verify_checksum((void *)*table,
- ACPI_CAST_PTR(struct
- acpi_table_header,
- *table)->
- length);
-
- if (status == AE_BAD_CHECKSUM) {
- status =
- acpi_ut_check_text_mode_corruption((u8 *)
- *table,
- file_size,
- (*table)->
- length);
- return (status);
- }
- }
- return (AE_OK);
- }
-
- if (actual > 0) {
- acpi_os_printf("Warning - reading table, asked for %X got %X\n",
- file_size, actual);
- return (AE_OK);
- }
-
- acpi_os_printf("Error - could not read the table file\n");
- acpi_os_free(*table);
- *table = NULL;
- *table_length = 0;
- return (AE_ERROR);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_read_table_from_file
- *
- * PARAMETERS: filename - File where table is located
- * table - Where a pointer to the table is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Get an ACPI table from a file
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_read_table_from_file(char *filename, struct acpi_table_header ** table)
-{
- FILE *file;
- u32 file_size;
- u32 table_length;
- acpi_status status = AE_ERROR;
-
- /* Open the file, get current size */
-
- file = fopen(filename, "rb");
- if (!file) {
- perror("Could not open input file");
-
- if (errno == ENOENT) {
- return (AE_NOT_EXIST);
- }
-
- return (status);
- }
-
- file_size = cm_get_file_size(file);
- if (file_size == ACPI_UINT32_MAX) {
- goto exit;
- }
-
- /* Get the entire file */
-
- fprintf(stderr,
- "Reading ACPI table from file %12s - Length %.8u (0x%06X)\n",
- filename, file_size, file_size);
-
- status = acpi_ut_read_table(file, table, &table_length);
- if (ACPI_FAILURE(status)) {
- acpi_os_printf("Could not get table from the file\n");
- }
-
-exit:
- fclose(file);
- return (status);
-}
-
-#endif