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ACPICA: Move all ASCII utilities to a common file

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ACPICA commit ba60e4500053010bf775d58f6f61febbdb94d817

New file is utascii.c

Link: https://github.com/acpica/acpica/commit/ba60e450
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2016-05-05 13:00:36 +08:00 committed by Rafael J. Wysocki
parent 66b1ed5aa8
commit 6a0df32c22
13 changed files with 168 additions and 111 deletions
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1
drivers/acpi/acpica/Makefile
View File

@ -150,6 +150,7 @@ acpi-y += \
acpi-y += \
utaddress.o \
utalloc.o \
utascii.o \
utbuffer.o \
utcopy.o \
utexcep.o \

2
drivers/acpi/acpica/actables.h
View File

@ -161,8 +161,6 @@ acpi_tb_install_fixed_table(acpi_physical_address address,
acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
u8 acpi_is_valid_signature(char *signature);
/*
* tbxfload
*/

13
drivers/acpi/acpica/acutils.h
View File

@ -166,6 +166,15 @@ struct acpi_pkg_info {
#define DB_DWORD_DISPLAY 4
#define DB_QWORD_DISPLAY 8
/*
* utascii - ASCII utilities
*/
u8 acpi_ut_valid_nameseg(char *signature);
u8 acpi_ut_valid_name_char(char character, u32 position);
void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count);
/*
* utnonansi - Non-ANSI C library functions
*/
@ -579,10 +588,6 @@ void acpi_ut_print_string(char *string, u16 max_length);
void ut_convert_backslashes(char *pathname);
#endif
u8 acpi_ut_valid_acpi_name(char *name);
u8 acpi_ut_valid_acpi_char(char character, u32 position);
void acpi_ut_repair_name(char *name);
#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)

2
drivers/acpi/acpica/dbnames.c
View File

@ -709,7 +709,7 @@ acpi_db_integrity_walk(acpi_handle obj_handle,
return (AE_OK);
}
if (!acpi_ut_valid_acpi_name(node->name.ascii)) {
if (!acpi_ut_valid_nameseg(node->name.ascii)) {
acpi_os_printf("Invalid AcpiName for Node %p\n", node);
return (AE_OK);
}

2
drivers/acpi/acpica/exnames.c
View File

@ -178,7 +178,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
for (index = 0;
(index < ACPI_NAME_SIZE)
&& (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
&& (acpi_ut_valid_name_char(*aml_address, 0)); index++) {
char_buf[index] = *aml_address++;
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
}

6
drivers/acpi/acpica/tbdata.c
View File

@ -401,9 +401,9 @@ acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY,
"%4.4s 0x%8.8X%8.8X"
" Attempted table install failed",
acpi_ut_valid_acpi_name(table_desc->
signature.
ascii) ?
acpi_ut_valid_nameseg(table_desc->
signature.
ascii) ?
table_desc->signature.ascii : "????",
ACPI_FORMAT_UINT64(table_desc->
address)));

2
drivers/acpi/acpica/tbfind.c
View File

@ -76,7 +76,7 @@ acpi_tb_find_table(char *signature,
/* Validate the input table signature */
if (!acpi_is_valid_signature(signature)) {
if (!acpi_ut_valid_nameseg(signature)) {
return_ACPI_STATUS(AE_BAD_SIGNATURE);
}

6
drivers/acpi/acpica/tbinstal.c
View File

@ -299,9 +299,9 @@ acpi_tb_install_standard_table(acpi_physical_address address,
ACPI_BIOS_ERROR((AE_INFO,
"Table has invalid signature [%4.4s] (0x%8.8X), "
"must be SSDT or OEMx",
acpi_ut_valid_acpi_name(new_table_desc.
signature.
ascii) ?
acpi_ut_valid_nameseg(new_table_desc.
signature.
ascii) ?
new_table_desc.signature.
ascii : "????",
new_table_desc.signature.integer));

27
drivers/acpi/acpica/tbutils.c
View File

@ -380,30 +380,3 @@ next_table:
acpi_os_unmap_memory(table, length);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_is_valid_signature
*
* PARAMETERS: signature - Sig string to be validated
*
* RETURN: TRUE if signature is has 4 valid ACPI characters
*
* DESCRIPTION: Validate an ACPI table signature.
*
******************************************************************************/
u8 acpi_is_valid_signature(char *signature)
{
u32 i;
/* Validate each character in the signature */
for (i = 0; i < ACPI_NAME_SIZE; i++) {
if (!acpi_ut_valid_acpi_char(signature[i], i)) {
return (FALSE);
}
}
return (TRUE);
}

140
drivers/acpi/acpica/utascii.c Normal file
View File

@ -0,0 +1,140 @@
/******************************************************************************
*
* Module Name: utascii - Utility ascii functions
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2016, 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"
/*******************************************************************************
*
* FUNCTION: acpi_ut_valid_nameseg
*
* PARAMETERS: name - The name or table signature to be examined.
* Four characters, does not have to be a
* NULL terminated string.
*
* RETURN: TRUE if signature is has 4 valid ACPI characters
*
* DESCRIPTION: Validate an ACPI table signature.
*
******************************************************************************/
u8 acpi_ut_valid_nameseg(char *name)
{
u32 i;
/* Validate each character in the signature */
for (i = 0; i < ACPI_NAME_SIZE; i++) {
if (!acpi_ut_valid_name_char(name[i], i)) {
return (FALSE);
}
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_valid_name_char
*
* PARAMETERS: char - The character to be examined
* position - Byte position (0-3)
*
* RETURN: TRUE if the character is valid, FALSE otherwise
*
* DESCRIPTION: Check for a valid ACPI character. Must be one of:
* 1) Upper case alpha
* 2) numeric
* 3) underscore
*
* We allow a '!' as the last character because of the ASF! table
*
******************************************************************************/
u8 acpi_ut_valid_name_char(char character, u32 position)
{
if (!((character >= 'A' && character <= 'Z') ||
(character >= '0' && character <= '9') || (character == '_'))) {
/* Allow a '!' in the last position */
if (character == '!' && position == 3) {
return (TRUE);
}
return (FALSE);
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_check_and_repair_ascii
*
* PARAMETERS: name - Ascii string
* count - Number of characters to check
*
* RETURN: None
*
* DESCRIPTION: Ensure that the requested number of characters are printable
* Ascii characters. Sets non-printable and null chars to <space>.
*
******************************************************************************/
void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count)
{
u32 i;
for (i = 0; i < count; i++) {
repaired_name[i] = (char)name[i];
if (!name[i]) {
return;
}
if (!isprint(name[i])) {
repaired_name[i] = ' ';
}
}
}

69
drivers/acpi/acpica/utstring.c
View File

@ -143,73 +143,6 @@ void acpi_ut_print_string(char *string, u16 max_length)
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_valid_acpi_char
*
* PARAMETERS: char - The character to be examined
* position - Byte position (0-3)
*
* RETURN: TRUE if the character is valid, FALSE otherwise
*
* DESCRIPTION: Check for a valid ACPI character. Must be one of:
* 1) Upper case alpha
* 2) numeric
* 3) underscore
*
* We allow a '!' as the last character because of the ASF! table
*
******************************************************************************/
u8 acpi_ut_valid_acpi_char(char character, u32 position)
{
if (!((character >= 'A' && character <= 'Z') ||
(character >= '0' && character <= '9') || (character == '_'))) {
/* Allow a '!' in the last position */
if (character == '!' && position == 3) {
return (TRUE);
}
return (FALSE);
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_valid_acpi_name
*
* PARAMETERS: name - The name to be examined. Does not have to
* be NULL terminated string.
*
* RETURN: TRUE if the name is valid, FALSE otherwise
*
* DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
* 1) Upper case alpha
* 2) numeric
* 3) underscore
*
******************************************************************************/
u8 acpi_ut_valid_acpi_name(char *name)
{
u32 i;
ACPI_FUNCTION_ENTRY();
for (i = 0; i < ACPI_NAME_SIZE; i++) {
if (!acpi_ut_valid_acpi_char(name[i], i)) {
return (FALSE);
}
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_repair_name
@ -253,7 +186,7 @@ void acpi_ut_repair_name(char *name)
/* Check each character in the name */
for (i = 0; i < ACPI_NAME_SIZE; i++) {
if (acpi_ut_valid_acpi_char(name[i], i)) {
if (acpi_ut_valid_name_char(name[i], i)) {
continue;
}

1
tools/power/acpi/tools/acpidump/Makefile
View File

@ -31,6 +31,7 @@ TOOL_OBJS = \
osunixxf.o\
tbprint.o\
tbxfroot.o\
utascii.o\
utbuffer.o\
utdebug.o\
utexcep.o\

8
tools/power/acpi/tools/acpidump/apdump.c
View File

@ -68,7 +68,7 @@ u8 ap_is_valid_header(struct acpi_table_header *table)
/* Make sure signature is all ASCII and a valid ACPI name */
if (!acpi_ut_valid_acpi_name(table->signature)) {
if (!acpi_ut_valid_nameseg(table->signature)) {
acpi_log_error("Table signature (0x%8.8X) is invalid\n",
*(u32 *)table->signature);
return (FALSE);
@ -407,6 +407,12 @@ int ap_dump_table_from_file(char *pathname)
return (-1);
}
if (!acpi_ut_valid_nameseg(table->signature)) {
acpi_log_error
("No valid ACPI signature was found in input file %s\n",
pathname);
}
/* File must be at least as long as the table length */
if (table->length > file_size) {