[PATCH v2 12/13] ACPICA: Move all ASCII utilities to a common file

Lv Zheng
2016-05-05T05:00:36Z

From: Bob Moore <robert.moore@intel.com>

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>
---
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