From: Bob Moore <robert.moore@xxxxxxxxx> ACPICA commit ba60e4500053010bf775d58f6f61febbdb94d817 New file is utascii.c Link: https://github.com/acpica/acpica/commit/ba60e450 Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx> --- drivers/acpi/acpica/Makefile | 1 + drivers/acpi/acpica/actables.h | 2 - drivers/acpi/acpica/acutils.h | 13 ++- drivers/acpi/acpica/dbnames.c | 2 +- drivers/acpi/acpica/exnames.c | 2 +- drivers/acpi/acpica/tbdata.c | 6 +- drivers/acpi/acpica/tbfind.c | 2 +- drivers/acpi/acpica/tbinstal.c | 6 +- drivers/acpi/acpica/tbutils.c | 27 ------ drivers/acpi/acpica/utascii.c | 140 ++++++++++++++++++++++++++++++ drivers/acpi/acpica/utstring.c | 69 +-------------- tools/power/acpi/tools/acpidump/Makefile | 1 + tools/power/acpi/tools/acpidump/apdump.c | 8 +- 13 files changed, 168 insertions(+), 111 deletions(-) create mode 100644 drivers/acpi/acpica/utascii.c diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 188597f..227bb7b 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -150,6 +150,7 @@ acpi-y += \ acpi-y += \ utaddress.o \ utalloc.o \ + utascii.o \ utbuffer.o \ utcopy.o \ utexcep.o \ diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index 848ad3a..cd5a135 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -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 */ diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 107f9e0..a7dbb2b 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -167,6 +167,15 @@ struct acpi_pkg_info { #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 */ void acpi_ut_strupr(char *src_string); @@ -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) diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 4c9e59a..8667f14 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -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); } diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index 27c11ab..3d6af93 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -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])); } diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index d471df3..1388a19 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -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))); diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index f2d0803..e348d61 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -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); } diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 4dc6108..8b13052 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -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)); diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index a962a85..e285539 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -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); -} diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c new file mode 100644 index 0000000..706c1f3 --- /dev/null +++ b/drivers/acpi/acpica/utascii.c @@ -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] = ' '; + } + } +} diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 241259b..288913a 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -145,73 +145,6 @@ 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 * * PARAMETERS: name - The ACPI name to be repaired @@ -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; } diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile index 8d76157..2942cdc 100644 --- a/tools/power/acpi/tools/acpidump/Makefile +++ b/tools/power/acpi/tools/acpidump/Makefile @@ -31,6 +31,7 @@ TOOL_OBJS = \ osunixxf.o\ tbprint.o\ tbxfroot.o\ + utascii.o\ utbuffer.o\ utdebug.o\ utexcep.o\ diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c index a39e445..fb8f1d9 100644 --- a/tools/power/acpi/tools/acpidump/apdump.c +++ b/tools/power/acpi/tools/acpidump/apdump.c @@ -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) { -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
