aboutsummaryrefslogtreecommitdiffstats
path: root/tools/power
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-05-06 22:45:27 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-05-06 22:45:27 (GMT)
commit23a75c52bef3ed0b688e45e352ce26069bdfd97f (patch)
treed9f0348ad9031f8552f6de067c76a6da1e24b03c /tools/power
parentd48dc067450d84324067f4472dc0b169e9af4454 (diff)
parentfd0c940522c5c5b281b7a4fe3497fabf74bd8911 (diff)
Merge back earlier ACPICA material.
Diffstat (limited to 'tools/power')
-rw-r--r--tools/power/acpi/Makefile26
-rw-r--r--tools/power/acpi/common/cmfsize.c101
-rw-r--r--tools/power/acpi/common/getopt.c239
-rw-r--r--tools/power/acpi/man/acpidump.885
-rw-r--r--tools/power/acpi/os_specific/service_layers/oslinuxtbl.c1275
-rw-r--r--tools/power/acpi/os_specific/service_layers/osunixdir.c204
-rw-r--r--tools/power/acpi/os_specific/service_layers/osunixmap.c151
-rw-r--r--tools/power/acpi/tools/acpidump/acpidump.c559
-rw-r--r--tools/power/acpi/tools/acpidump/acpidump.h131
-rw-r--r--tools/power/acpi/tools/acpidump/apdump.c451
-rw-r--r--tools/power/acpi/tools/acpidump/apfiles.c228
-rw-r--r--tools/power/acpi/tools/acpidump/apmain.c340
12 files changed, 3216 insertions, 574 deletions
diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile
index c2c0f20..7ac5780 100644
--- a/tools/power/acpi/Makefile
+++ b/tools/power/acpi/Makefile
@@ -68,7 +68,8 @@ WARNINGS += $(call cc-supports,-Wstrict-prototypes)
WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
KERNEL_INCLUDE := ../../../include
-CFLAGS += -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE)
+ACPICA_INCLUDE := ../../../drivers/acpi/acpica
+CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
CFLAGS += $(WARNINGS)
ifeq ($(strip $(V)),false)
@@ -92,10 +93,29 @@ endif
# --- ACPIDUMP BEGIN ---
vpath %.c \
- tools/acpidump
+ ../../../drivers/acpi/acpica\
+ tools/acpidump\
+ common\
+ os_specific/service_layers
+
+CFLAGS += -DACPI_DUMP_APP -Itools/acpidump
DUMP_OBJS = \
- acpidump.o
+ apdump.o\
+ apfiles.o\
+ apmain.o\
+ osunixdir.o\
+ osunixmap.o\
+ tbprint.o\
+ tbxfroot.o\
+ utbuffer.o\
+ utexcep.o\
+ utmath.o\
+ utstring.o\
+ utxferror.o\
+ oslinuxtbl.o\
+ cmfsize.o\
+ getopt.o
DUMP_OBJS := $(addprefix $(OUTPUT)tools/acpidump/,$(DUMP_OBJS))
diff --git a/tools/power/acpi/common/cmfsize.c b/tools/power/acpi/common/cmfsize.c
new file mode 100644
index 0000000..5140e5e
--- /dev/null
+++ b/tools/power/acpi/common/cmfsize.c
@@ -0,0 +1,101 @@
+/******************************************************************************
+ *
+ * Module Name: cfsize - Common get file size function
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 "acapps.h"
+#include <stdio.h>
+
+#define _COMPONENT ACPI_TOOLS
+ACPI_MODULE_NAME("cmfsize")
+
+/*******************************************************************************
+ *
+ * FUNCTION: cm_get_file_size
+ *
+ * PARAMETERS: file - Open file descriptor
+ *
+ * RETURN: File Size. On error, -1 (ACPI_UINT32_MAX)
+ *
+ * DESCRIPTION: Get the size of a file. Uses seek-to-EOF. File must be open.
+ * Does not disturb the current file pointer. Uses perror for
+ * error messages.
+ *
+ ******************************************************************************/
+u32 cm_get_file_size(FILE * file)
+{
+ long file_size;
+ long current_offset;
+
+ /* Save the current file pointer, seek to EOF to obtain file size */
+
+ current_offset = ftell(file);
+ if (current_offset < 0) {
+ goto offset_error;
+ }
+
+ if (fseek(file, 0, SEEK_END)) {
+ goto seek_error;
+ }
+
+ file_size = ftell(file);
+ if (file_size < 0) {
+ goto offset_error;
+ }
+
+ /* Restore original file pointer */
+
+ if (fseek(file, current_offset, SEEK_SET)) {
+ goto seek_error;
+ }
+
+ return ((u32)file_size);
+
+offset_error:
+ perror("Could not get file offset");
+ return (ACPI_UINT32_MAX);
+
+seek_error:
+ perror("Could not seek file");
+ return (ACPI_UINT32_MAX);
+}
diff --git a/tools/power/acpi/common/getopt.c b/tools/power/acpi/common/getopt.c
new file mode 100644
index 0000000..a302f52
--- /dev/null
+++ b/tools/power/acpi/common/getopt.c
@@ -0,0 +1,239 @@
+/******************************************************************************
+ *
+ * Module Name: getopt
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+/*
+ * ACPICA getopt() implementation
+ *
+ * Option strings:
+ * "f" - Option has no arguments
+ * "f:" - Option requires an argument
+ * "f^" - Option has optional single-char sub-options
+ * "f|" - Option has required single-char sub-options
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acapps.h"
+
+#define ACPI_OPTION_ERROR(msg, badchar) \
+ if (acpi_gbl_opterr) {fprintf (stderr, "%s%c\n", msg, badchar);}
+
+int acpi_gbl_opterr = 1;
+int acpi_gbl_optind = 1;
+int acpi_gbl_sub_opt_char = 0;
+char *acpi_gbl_optarg;
+
+static int current_char_ptr = 1;
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_getopt_argument
+ *
+ * PARAMETERS: argc, argv - from main
+ *
+ * RETURN: 0 if an argument was found, -1 otherwise. Sets acpi_gbl_Optarg
+ * to point to the next argument.
+ *
+ * DESCRIPTION: Get the next argument. Used to obtain arguments for the
+ * two-character options after the original call to acpi_getopt.
+ * Note: Either the argument starts at the next character after
+ * the option, or it is pointed to by the next argv entry.
+ * (After call to acpi_getopt, we need to backup to the previous
+ * argv entry).
+ *
+ ******************************************************************************/
+
+int acpi_getopt_argument(int argc, char **argv)
+{
+ acpi_gbl_optind--;
+ current_char_ptr++;
+
+ if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+ acpi_gbl_optarg =
+ &argv[acpi_gbl_optind++][(int)(current_char_ptr + 1)];
+ } else if (++acpi_gbl_optind >= argc) {
+ ACPI_OPTION_ERROR("Option requires an argument: -", 'v');
+
+ current_char_ptr = 1;
+ return (-1);
+ } else {
+ acpi_gbl_optarg = argv[acpi_gbl_optind++];
+ }
+
+ current_char_ptr = 1;
+ return (0);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_getopt
+ *
+ * PARAMETERS: argc, argv - from main
+ * opts - options info list
+ *
+ * RETURN: Option character or EOF
+ *
+ * DESCRIPTION: Get the next option
+ *
+ ******************************************************************************/
+
+int acpi_getopt(int argc, char **argv, char *opts)
+{
+ int current_char;
+ char *opts_ptr;
+
+ if (current_char_ptr == 1) {
+ if (acpi_gbl_optind >= argc ||
+ argv[acpi_gbl_optind][0] != '-' ||
+ argv[acpi_gbl_optind][1] == '\0') {
+ return (EOF);
+ } else if (strcmp(argv[acpi_gbl_optind], "--") == 0) {
+ acpi_gbl_optind++;
+ return (EOF);
+ }
+ }
+
+ /* Get the option */
+
+ current_char = argv[acpi_gbl_optind][current_char_ptr];
+
+ /* Make sure that the option is legal */
+
+ if (current_char == ':' ||
+ (opts_ptr = strchr(opts, current_char)) == NULL) {
+ ACPI_OPTION_ERROR("Illegal option: -", current_char);
+
+ if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') {
+ acpi_gbl_optind++;
+ current_char_ptr = 1;
+ }
+
+ return ('?');
+ }
+
+ /* Option requires an argument? */
+
+ if (*++opts_ptr == ':') {
+ if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+ acpi_gbl_optarg =
+ &argv[acpi_gbl_optind++][(int)
+ (current_char_ptr + 1)];
+ } else if (++acpi_gbl_optind >= argc) {
+ ACPI_OPTION_ERROR("Option requires an argument: -",
+ current_char);
+
+ current_char_ptr = 1;
+ return ('?');
+ } else {
+ acpi_gbl_optarg = argv[acpi_gbl_optind++];
+ }
+
+ current_char_ptr = 1;
+ }
+
+ /* Option has an optional argument? */
+
+ else if (*opts_ptr == '+') {
+ if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+ acpi_gbl_optarg =
+ &argv[acpi_gbl_optind++][(int)
+ (current_char_ptr + 1)];
+ } else if (++acpi_gbl_optind >= argc) {
+ acpi_gbl_optarg = NULL;
+ } else {
+ acpi_gbl_optarg = argv[acpi_gbl_optind++];
+ }
+
+ current_char_ptr = 1;
+ }
+
+ /* Option has optional single-char arguments? */
+
+ else if (*opts_ptr == '^') {
+ if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+ acpi_gbl_optarg =
+ &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)];
+ } else {
+ acpi_gbl_optarg = "^";
+ }
+
+ acpi_gbl_sub_opt_char = acpi_gbl_optarg[0];
+ acpi_gbl_optind++;
+ current_char_ptr = 1;
+ }
+
+ /* Option has a required single-char argument? */
+
+ else if (*opts_ptr == '|') {
+ if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+ acpi_gbl_optarg =
+ &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)];
+ } else {
+ ACPI_OPTION_ERROR
+ ("Option requires a single-character suboption: -",
+ current_char);
+
+ current_char_ptr = 1;
+ return ('?');
+ }
+
+ acpi_gbl_sub_opt_char = acpi_gbl_optarg[0];
+ acpi_gbl_optind++;
+ current_char_ptr = 1;
+ }
+
+ /* Option with no arguments */
+
+ else {
+ if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') {
+ current_char_ptr = 1;
+ acpi_gbl_optind++;
+ }
+
+ acpi_gbl_optarg = NULL;
+ }
+
+ return (current_char);
+}
diff --git a/tools/power/acpi/man/acpidump.8 b/tools/power/acpi/man/acpidump.8
index adfa991..38f095d 100644
--- a/tools/power/acpi/man/acpidump.8
+++ b/tools/power/acpi/man/acpidump.8
@@ -1,18 +1,64 @@
.TH ACPIDUMP 8
.SH NAME
-acpidump \- Dump system's ACPI tables to an ASCII file.
+acpidump \- dump a system's ACPI tables to an ASCII file
+
.SH SYNOPSIS
-.ft B
-.B acpidump > acpidump.out
+.B acpidump
+.RI [ options ]
+.br
+
.SH DESCRIPTION
-\fBacpidump \fP dumps the systems ACPI tables to an ASCII file
-appropriate for attaching to a bug report.
+.B acpidump
+dumps the systems ACPI tables to an ASCII file appropriate for
+attaching to a bug report.
Subsequently, they can be processed by utilities in the ACPICA package.
-.SS Options
-no options worth worrying about.
-.PP
-.SH EXAMPLE
+
+.SH OPTIONS
+acpidump options are as follow:
+.TP
+.B Options
+.TP
+.B \-b
+Dump tables to binary files
+.TP
+.B \-c
+Dump customized tables
+.TP
+.B \-h \-?
+This help message
+.TP
+.B \-o <File>
+Redirect output to file
+.TP
+.B \-r <Address>
+Dump tables from specified RSDP
+.TP
+.B \-s
+Print table summaries only
+.TP
+.B \-v
+Display version information
+.TP
+.B \-z
+Verbose mode
+.TP
+.B Table Options
+.TP
+.B \-a <Address>
+Get table via a physical address
+.TP
+.B \-f <BinaryFile>
+Get table via a binary file
+.TP
+.B \-n <Signature>
+Get table via a name/signature
+.TP
+Invocation without parameters dumps all available tables
+.TP
+Multiple mixed instances of -a, -f, and -n are supported
+
+.SH EXAMPLES
.nf
# acpidump > acpidump.out
@@ -50,10 +96,25 @@ ACPICA: https://acpica.org/
.ta
.nf
/dev/mem
+/sys/firmware/acpi/tables/*
/sys/firmware/acpi/tables/dynamic/*
+/sys/firmware/efi/systab
.fi
-.PP
.SH AUTHOR
-.nf
-Written by Len Brown <len.brown@intel.com>
+.TP
+Original by:
+ Len Brown <len.brown@intel.com>
+.TP
+Written by:
+ Chao Guan <chao.guan@intel.com>
+.TP
+Updated by:
+ Bob Moore <robert.moore@intel.com>
+ Lv Zheng <lv.zheng@intel.com>
+
+.SH SEE ALSO
+\&\fIacpixtract\fR\|(8), \fIiasl\fR\|(8).
+
+.SH COPYRIGHT
+COPYRIGHT (c) 2013, Intel Corporation.
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
new file mode 100644
index 0000000..e975aa9
--- /dev/null
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -0,0 +1,1275 @@
+/******************************************************************************
+ *
+ * Module Name: oslinuxtbl - Linux OSL for obtaining ACPI tables
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 "acpidump.h"
+
+#define _COMPONENT ACPI_OS_SERVICES
+ACPI_MODULE_NAME("oslinuxtbl")
+
+#ifndef PATH_MAX
+#define PATH_MAX 256
+#endif
+/* List of information about obtained ACPI tables */
+typedef struct osl_table_info {
+ struct osl_table_info *next;
+ u32 instance;
+ char signature[ACPI_NAME_SIZE];
+
+} osl_table_info;
+
+/* Local prototypes */
+
+static acpi_status osl_table_initialize(void);
+
+static acpi_status
+osl_table_name_from_file(char *filename, char *signature, u32 *instance);
+
+static acpi_status osl_add_table_to_list(char *signature, u32 instance);
+
+static acpi_status
+osl_read_table_from_file(char *filename,
+ acpi_size file_offset,
+ char *signature, struct acpi_table_header **table);
+
+static acpi_status
+osl_map_table(acpi_size address,
+ char *signature, struct acpi_table_header **table);
+
+static void osl_unmap_table(struct acpi_table_header *table);
+
+static acpi_physical_address osl_find_rsdp_via_efi(void);
+
+static acpi_status osl_load_rsdp(void);
+
+static acpi_status osl_list_customized_tables(char *directory);
+
+static acpi_status
+osl_get_customized_table(char *pathname,
+ char *signature,
+ u32 instance,
+ struct acpi_table_header **table,
+ acpi_physical_address * address);
+
+static acpi_status osl_list_bios_tables(void);
+
+static acpi_status
+osl_get_bios_table(char *signature,
+ u32 instance,
+ struct acpi_table_header **table,
+ acpi_physical_address * address);
+
+static acpi_status osl_get_last_status(acpi_status default_status);
+
+/* File locations */
+
+#define DYNAMIC_TABLE_DIR "/sys/firmware/acpi/tables/dynamic"
+#define STATIC_TABLE_DIR "/sys/firmware/acpi/tables"
+#define EFI_SYSTAB "/sys/firmware/efi/systab"
+
+/* Should we get dynamically loaded SSDTs from DYNAMIC_TABLE_DIR? */
+
+u8 gbl_dump_dynamic_tables = TRUE;
+
+/* Initialization flags */
+
+u8 gbl_table_list_initialized = FALSE;
+
+/* Local copies of main ACPI tables */
+
+struct acpi_table_rsdp gbl_rsdp;
+struct acpi_table_fadt *gbl_fadt = NULL;
+struct acpi_table_rsdt *gbl_rsdt = NULL;
+struct acpi_table_xsdt *gbl_xsdt = NULL;
+
+/* Table addresses */
+
+acpi_physical_address gbl_fadt_address = 0;
+acpi_physical_address gbl_rsdp_address = 0;
+
+/* Revision of RSD PTR */
+
+u8 gbl_revision = 0;
+
+struct osl_table_info *gbl_table_list_head = NULL;
+u32 gbl_table_count = 0;
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_get_last_status
+ *
+ * PARAMETERS: default_status - Default error status to return
+ *
+ * RETURN: Status; Converted from errno.
+ *
+ * DESCRIPTION: Get last errno and conver it to acpi_status.
+ *
+ *****************************************************************************/
+
+static acpi_status osl_get_last_status(acpi_status default_status)
+{
+
+ switch (errno) {
+ case EACCES:
+ case EPERM:
+
+ return (AE_ACCESS);
+
+ case ENOENT:
+
+ return (AE_NOT_FOUND);
+
+ case ENOMEM:
+
+ return (AE_NO_MEMORY);
+
+ default:
+
+ return (default_status);
+ }
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os_get_table_by_address
+ *
+ * PARAMETERS: address - Physical address of the ACPI table
+ * table - Where a pointer to the table is returned
+ *
+ * RETURN: Status; Table buffer is returned if AE_OK.
+ * AE_NOT_FOUND: A valid table was not found at the address
+ *
+ * DESCRIPTION: Get an ACPI table via a physical memory address.
+ *
+ *****************************************************************************/
+
+acpi_status
+acpi_os_get_table_by_address(acpi_physical_address address,
+ struct acpi_table_header ** table)
+{
+ u32 table_length;
+ struct acpi_table_header *mapped_table;
+ struct acpi_table_header *local_table = NULL;
+ acpi_status status = AE_OK;
+
+ /* Get main ACPI tables from memory on first invocation of this function */
+
+ status = osl_table_initialize();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Map the table and validate it */
+
+ status = osl_map_table(address, NULL, &mapped_table);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Copy table to local buffer and return it */
+
+ table_length = ap_get_table_length(mapped_table);
+ if (table_length == 0) {
+ status = AE_BAD_HEADER;
+ goto exit;
+ }
+
+ local_table = calloc(1, table_length);
+ if (!local_table) {
+ status = AE_NO_MEMORY;
+ goto exit;
+ }
+
+ ACPI_MEMCPY(local_table, mapped_table, table_length);
+
+exit:
+ osl_unmap_table(mapped_table);
+ *table = local_table;
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os_get_table_by_name
+ *
+ * PARAMETERS: signature - ACPI Signature for desired table. Must be
+ * a null terminated 4-character string.
+ * instance - Multiple table support for SSDT/UEFI (0...n)
+ * Must be 0 for other tables.
+ * table - Where a pointer to the table is returned
+ * address - Where the table physical address is returned
+ *
+ * RETURN: Status; Table buffer and physical address returned if AE_OK.
+ * AE_LIMIT: Instance is beyond valid limit
+ * AE_NOT_FOUND: A table with the signature was not found
+ *
+ * NOTE: Assumes the input signature is uppercase.
+ *
+ *****************************************************************************/
+
+acpi_status
+acpi_os_get_table_by_name(char *signature,
+ u32 instance,
+ struct acpi_table_header ** table,
+ acpi_physical_address * address)
+{
+ acpi_status status;
+
+ /* Get main ACPI tables from memory on first invocation of this function */
+
+ status = osl_table_initialize();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Not a main ACPI table, attempt to extract it from the RSDT/XSDT */
+
+ if (!gbl_dump_customized_tables) {
+
+ /* Attempt to get the table from the memory */
+
+ status =
+ osl_get_bios_table(signature, instance, table, address);
+ } else {
+ /* Attempt to get the table from the static directory */
+
+ status = osl_get_customized_table(STATIC_TABLE_DIR, signature,
+ instance, table, address);
+ }
+
+ if (ACPI_FAILURE(status) && status == AE_LIMIT) {
+ if (gbl_dump_dynamic_tables) {
+
+ /* Attempt to get a dynamic table */
+
+ status =
+ osl_get_customized_table(DYNAMIC_TABLE_DIR,
+ signature, instance, table,
+ address);
+ }
+ }
+
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_add_table_to_list
+ *
+ * PARAMETERS: signature - Table signature
+ * instance - Table instance
+ *
+ * RETURN: Status; Successfully added if AE_OK.
+ * AE_NO_MEMORY: Memory allocation error
+ *
+ * DESCRIPTION: Insert a table structure into OSL table list.
+ *
+ *****************************************************************************/
+
+static acpi_status osl_add_table_to_list(char *signature, u32 instance)
+{
+ struct osl_table_info *new_info;
+ struct osl_table_info *next;
+ u32 next_instance = 0;
+ u8 found = FALSE;
+
+ new_info = calloc(1, sizeof(struct osl_table_info));
+ if (!new_info) {
+ return (AE_NO_MEMORY);
+ }
+
+ ACPI_MOVE_NAME(new_info->signature, signature);
+
+ if (!gbl_table_list_head) {
+ gbl_table_list_head = new_info;
+ } else {
+ next = gbl_table_list_head;
+ while (1) {
+ if (ACPI_COMPARE_NAME(next->signature, signature)) {
+ if (next->instance == instance) {
+ found = TRUE;
+ }
+ if (next->instance >= next_instance) {
+ next_instance = next->instance + 1;
+ }
+ }
+
+ if (!next->next) {
+ break;
+ }
+ next = next->next;
+ }
+ next->next = new_info;
+ }
+
+ if (found) {
+ if (instance) {
+ fprintf(stderr,
+ "%4.4s: Warning unmatched table instance %d, expected %d\n",
+ signature, instance, next_instance);
+ }
+ instance = next_instance;
+ }
+
+ new_info->instance = instance;
+ gbl_table_count++;
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os_get_table_by_index
+ *
+ * PARAMETERS: index - Which table to get
+ * table - Where a pointer to the table is returned
+ * instance - Where a pointer to the table instance no. is
+ * returned
+ * address - Where the table physical address is returned
+ *
+ * RETURN: Status; Table buffer and physical address returned if AE_OK.
+ * AE_LIMIT: Index is beyond valid limit
+ *
+ * DESCRIPTION: Get an ACPI table via an index value (0 through n). Returns
+ * AE_LIMIT when an invalid index is reached. Index is not
+ * necessarily an index into the RSDT/XSDT.
+ *
+ *****************************************************************************/
+
+acpi_status
+acpi_os_get_table_by_index(u32 index,
+ struct acpi_table_header ** table,
+ u32 *instance, acpi_physical_address * address)
+{
+ struct osl_table_info *info;
+ acpi_status status;
+ u32 i;
+
+ /* Get main ACPI tables from memory on first invocation of this function */
+
+ status = osl_table_initialize();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Validate Index */
+
+ if (index >= gbl_table_count) {
+ return (AE_LIMIT);
+ }
+
+ /* Point to the table list entry specified by the Index argument */
+
+ info = gbl_table_list_head;
+ for (i = 0; i < index; i++) {
+ info = info->next;
+ }
+
+ /* Now we can just get the table via the signature */
+
+ status = acpi_os_get_table_by_name(info->signature, info->instance,
+ table, address);
+
+ if (ACPI_SUCCESS(status)) {
+ *instance = info->instance;
+ }
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_find_rsdp_via_efi
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: RSDP address if found
+ *
+ * DESCRIPTION: Find RSDP address via EFI.
+ *
+ *****************************************************************************/
+
+static acpi_physical_address osl_find_rsdp_via_efi(void)
+{
+ FILE *file;
+ char buffer[80];
+ unsigned long address = 0;
+
+ file = fopen(EFI_SYSTAB, "r");
+ if (file) {
+ while (fgets(buffer, 80, file)) {
+ if (sscanf(buffer, "ACPI20=0x%lx", &address) == 1) {
+ break;
+ }
+ }
+ fclose(file);
+ }
+
+ return ((acpi_physical_address) (address));
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_load_rsdp
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Scan and load RSDP.
+ *
+ *****************************************************************************/
+
+static acpi_status osl_load_rsdp(void)
+{
+ struct acpi_table_header *mapped_table;
+ u8 *rsdp_address;
+ acpi_physical_address rsdp_base;
+ acpi_size rsdp_size;
+
+ /* Get RSDP from memory */
+
+ rsdp_size = sizeof(struct acpi_table_rsdp);
+ if (gbl_rsdp_base) {
+ rsdp_base = gbl_rsdp_base;
+ } else {
+ rsdp_base = osl_find_rsdp_via_efi();
+ }
+
+ if (!rsdp_base) {
+ rsdp_base = ACPI_HI_RSDP_WINDOW_BASE;
+ rsdp_size = ACPI_HI_RSDP_WINDOW_SIZE;
+ }
+
+ rsdp_address = acpi_os_map_memory(rsdp_base, rsdp_size);
+ if (!rsdp_address) {
+ return (osl_get_last_status(AE_BAD_ADDRESS));
+ }
+
+ /* Search low memory for the RSDP */
+
+ mapped_table = ACPI_CAST_PTR(struct acpi_table_header,
+ acpi_tb_scan_memory_for_rsdp(rsdp_address,
+ rsdp_size));
+ if (!mapped_table) {
+ acpi_os_unmap_memory(rsdp_address, rsdp_size);
+ return (AE_NOT_FOUND);
+ }
+
+ gbl_rsdp_address =
+ rsdp_base + (ACPI_CAST8(mapped_table) - rsdp_address);
+
+ ACPI_MEMCPY(&gbl_rsdp, mapped_table, sizeof(struct acpi_table_rsdp));
+ acpi_os_unmap_memory(rsdp_address, rsdp_size);
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_table_initialize
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize ACPI table data. Get and store main ACPI tables to
+ * local variables. Main ACPI tables include RSDT, FADT, RSDT,
+ * and/or XSDT.
+ *
+ *****************************************************************************/
+
+static acpi_status osl_table_initialize(void)
+{
+ acpi_status status;
+ acpi_physical_address address;
+
+ if (gbl_table_list_initialized) {
+ return (AE_OK);
+ }
+
+ /* Get RSDP from memory */
+
+ status = osl_load_rsdp();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Get XSDT from memory */
+
+ if (gbl_rsdp.revision) {
+ if (gbl_xsdt) {
+ free(gbl_xsdt);
+ gbl_xsdt = NULL;
+ }
+
+ gbl_revision = 2;
+ status = osl_get_bios_table(ACPI_SIG_XSDT, 0,
+ ACPI_CAST_PTR(struct
+ acpi_table_header *,
+ &gbl_xsdt), &address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ /* Get RSDT from memory */
+
+ if (gbl_rsdp.rsdt_physical_address) {
+ if (gbl_rsdt) {
+ free(gbl_rsdt);
+ gbl_rsdt = NULL;
+ }
+
+ status = osl_get_bios_table(ACPI_SIG_RSDT, 0,
+ ACPI_CAST_PTR(struct
+ acpi_table_header *,
+ &gbl_rsdt), &address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ /* Get FADT from memory */
+
+ if (gbl_fadt) {
+ free(gbl_fadt);
+ gbl_fadt = NULL;
+ }
+
+ status = osl_get_bios_table(ACPI_SIG_FADT, 0,
+ ACPI_CAST_PTR(struct acpi_table_header *,
+ &gbl_fadt),
+ &gbl_fadt_address);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ if (!gbl_dump_customized_tables) {
+
+ /* Add mandatory tables to global table list first */
+
+ status = osl_add_table_to_list(ACPI_RSDP_NAME, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status = osl_add_table_to_list(ACPI_SIG_RSDT, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ if (gbl_revision == 2) {
+ status = osl_add_table_to_list(ACPI_SIG_XSDT, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ status = osl_add_table_to_list(ACPI_SIG_DSDT, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status = osl_add_table_to_list(ACPI_SIG_FACS, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Add all tables found in the memory */
+
+ status = osl_list_bios_tables();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ } else {
+ /* Add all tables found in the static directory */
+
+ status = osl_list_customized_tables(STATIC_TABLE_DIR);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ if (gbl_dump_dynamic_tables) {
+
+ /* Add all dynamically loaded tables in the dynamic directory */
+
+ status = osl_list_customized_tables(DYNAMIC_TABLE_DIR);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ gbl_table_list_initialized = TRUE;
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_list_bios_tables
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status; Table list is initialized if AE_OK.
+ *
+ * DESCRIPTION: Add ACPI tables to the table list from memory.
+ *
+ * NOTE: This works on Linux as table customization does not modify the
+ * addresses stored in RSDP/RSDT/XSDT/FADT.
+ *
+ *****************************************************************************/
+
+static acpi_status osl_list_bios_tables(void)
+{
+ struct acpi_table_header *mapped_table = NULL;
+ u8 *table_data;
+ u8 number_of_tables;
+ u8 item_size;
+ acpi_physical_address table_address = 0;
+ acpi_status status = AE_OK;
+ u32 i;
+
+ if (gbl_revision) {
+ item_size = sizeof(u64);
+ table_data =
+ ACPI_CAST8(gbl_xsdt) + sizeof(struct acpi_table_header);
+ number_of_tables =
+ (u8)((gbl_xsdt->header.length -
+ sizeof(struct acpi_table_header))
+ / item_size);
+ } else { /* Use RSDT if XSDT is not available */
+
+ item_size = sizeof(u32);
+ table_data =
+ ACPI_CAST8(gbl_rsdt) + sizeof(struct acpi_table_header);
+ number_of_tables =
+ (u8)((gbl_rsdt->header.length -
+ sizeof(struct acpi_table_header))
+ / item_size);
+ }
+
+ /* Search RSDT/XSDT for the requested table */
+
+ for (i = 0; i < number_of_tables; ++i, table_data += item_size) {
+ if (gbl_revision) {
+ table_address =
+ (acpi_physical_address) (*ACPI_CAST64(table_data));
+ } else {
+ table_address =
+ (acpi_physical_address) (*ACPI_CAST32(table_data));
+ }
+
+ status = osl_map_table(table_address, NULL, &mapped_table);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ osl_add_table_to_list(mapped_table->signature, 0);
+ osl_unmap_table(mapped_table);
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_get_bios_table
+ *
+ * PARAMETERS: signature - ACPI Signature for common table. Must be
+ * a null terminated 4-character string.
+ * instance - Multiple table support for SSDT/UEFI (0...n)
+ * Must be 0 for other tables.
+ * table - Where a pointer to the table is returned
+ * address - Where the table physical address is returned
+ *
+ * RETURN: Status; Table buffer and physical address returned if AE_OK.
+ * AE_LIMIT: Instance is beyond valid limit
+ * AE_NOT_FOUND: A table with the signature was not found
+ *
+ * DESCRIPTION: Get a BIOS provided ACPI table
+ *
+ * NOTE: Assumes the input signature is uppercase.
+ *
+ *****************************************************************************/
+
+static acpi_status
+osl_get_bios_table(char *signature,
+ u32 instance,
+ struct acpi_table_header **table,
+ acpi_physical_address * address)
+{
+ struct acpi_table_header *local_table = NULL;
+ struct acpi_table_header *mapped_table = NULL;
+ u8 *table_data;
+ u8 number_of_tables;
+ u8 item_size;
+ u32 current_instance = 0;
+ acpi_physical_address table_address = 0;
+ u32 table_length = 0;
+ acpi_status status = AE_OK;
+ u32 i;
+
+ /* Handle special tables whose addresses are not in RSDT/XSDT */
+
+ if (ACPI_COMPARE_NAME(signature, ACPI_RSDP_NAME) ||
+ ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT) ||
+ ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT) ||
+ ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT) ||
+ ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
+ /*
+ * Get the appropriate address, either 32-bit or 64-bit. Be very
+ * careful about the FADT length and validate table addresses.
+ * Note: The 64-bit addresses have priority.
+ */
+ if (ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT)) {
+ if ((gbl_fadt->header.length >= MIN_FADT_FOR_XDSDT) &&
+ gbl_fadt->Xdsdt) {
+ table_address =
+ (acpi_physical_address) gbl_fadt->Xdsdt;
+ } else
+ if ((gbl_fadt->header.length >= MIN_FADT_FOR_DSDT)
+ && gbl_fadt->dsdt) {
+ table_address =
+ (acpi_physical_address) gbl_fadt->dsdt;
+ }
+ } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
+ if ((gbl_fadt->header.length >= MIN_FADT_FOR_XFACS) &&
+ gbl_fadt->Xfacs) {
+ table_address =
+ (acpi_physical_address) gbl_fadt->Xfacs;
+ } else
+ if ((gbl_fadt->header.length >= MIN_FADT_FOR_FACS)
+ && gbl_fadt->facs) {
+ table_address =
+ (acpi_physical_address) gbl_fadt->facs;
+ }
+ } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) {
+ if (!gbl_revision) {
+ return (AE_BAD_SIGNATURE);
+ }
+ table_address =
+ (acpi_physical_address) gbl_rsdp.
+ xsdt_physical_address;
+ } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) {
+ table_address =
+ (acpi_physical_address) gbl_rsdp.
+ rsdt_physical_address;
+ } else {
+ table_address =
+ (acpi_physical_address) gbl_rsdp_address;
+ signature = ACPI_SIG_RSDP;
+ }
+
+ /* Now we can get the requested special table */
+
+ status = osl_map_table(table_address, signature, &mapped_table);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ table_length = ap_get_table_length(mapped_table);
+ } else { /* Case for a normal ACPI table */
+
+ if (gbl_revision) {
+ item_size = sizeof(u64);
+ table_data =
+ ACPI_CAST8(gbl_xsdt) +
+ sizeof(struct acpi_table_header);
+ number_of_tables =
+ (u8)((gbl_xsdt->header.length -
+ sizeof(struct acpi_table_header))
+ / item_size);
+ } else { /* Use RSDT if XSDT is not available */
+
+ item_size = sizeof(u32);
+ table_data =
+ ACPI_CAST8(gbl_rsdt) +
+ sizeof(struct acpi_table_header);
+ number_of_tables =
+ (u8)((gbl_rsdt->header.length -
+ sizeof(struct acpi_table_header))
+ / item_size);
+ }
+
+ /* Search RSDT/XSDT for the requested table */
+
+ for (i = 0; i < number_of_tables; ++i, table_data += item_size) {
+ if (gbl_revision) {
+ table_address =
+ (acpi_physical_address) (*ACPI_CAST64
+ (table_data));
+ } else {
+ table_address =
+ (acpi_physical_address) (*ACPI_CAST32
+ (table_data));
+ }
+
+ status =
+ osl_map_table(table_address, NULL, &mapped_table);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ table_length = mapped_table->length;
+
+ /* Does this table match the requested signature? */
+
+ if (!ACPI_COMPARE_NAME
+ (mapped_table->signature, signature)) {
+ osl_unmap_table(mapped_table);
+ mapped_table = NULL;
+ continue;
+ }
+
+ /* Match table instance (for SSDT/UEFI tables) */
+
+ if (current_instance != instance) {
+ osl_unmap_table(mapped_table);
+ mapped_table = NULL;
+ current_instance++;
+ continue;
+ }
+
+ break;
+ }
+ }
+
+ if (!mapped_table) {
+ return (AE_LIMIT);
+ }
+
+ if (table_length == 0) {
+ status = AE_BAD_HEADER;
+ goto exit;
+ }
+
+ /* Copy table to local buffer and return it */
+
+ local_table = calloc(1, table_length);
+ if (!local_table) {
+ status = AE_NO_MEMORY;
+ goto exit;
+ }
+
+ ACPI_MEMCPY(local_table, mapped_table, table_length);
+ *address = table_address;
+ *table = local_table;
+
+exit:
+ osl_unmap_table(mapped_table);
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_list_customized_tables
+ *
+ * PARAMETERS: directory - Directory that contains the tables
+ *
+ * RETURN: Status; Table list is initialized if AE_OK.
+ *
+ * DESCRIPTION: Add ACPI tables to the table list from a directory.
+ *
+ *****************************************************************************/
+
+static acpi_status osl_list_customized_tables(char *directory)
+{
+ void *table_dir;
+ u32 instance;
+ char temp_name[ACPI_NAME_SIZE];
+ char *filename;
+ acpi_status status = AE_OK;
+
+ /* Open the requested directory */
+
+ table_dir = acpi_os_open_directory(directory, "*", REQUEST_FILE_ONLY);
+ if (!table_dir) {
+ return (osl_get_last_status(AE_NOT_FOUND));
+ }
+
+ /* Examine all entries in this directory */
+
+ while ((filename = acpi_os_get_next_filename(table_dir))) {
+
+ /* Extract table name and instance number */
+
+ status =
+ osl_table_name_from_file(filename, temp_name, &instance);
+
+ /* Ignore meaningless files */
+
+ if (ACPI_FAILURE(status)) {
+ continue;
+ }
+
+ /* Add new info node to global table list */
+
+ status = osl_add_table_to_list(temp_name, instance);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+ }
+
+ acpi_os_close_directory(table_dir);
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_map_table
+ *
+ * PARAMETERS: address - Address of the table in memory
+ * signature - Optional ACPI Signature for desired table.
+ * Null terminated 4-character string.
+ * table - Where a pointer to the mapped table is
+ * returned
+ *
+ * RETURN: Status; Mapped table is returned if AE_OK.
+ * AE_NOT_FOUND: A valid table was not found at the address
+ *
+ * DESCRIPTION: Map entire ACPI table into caller's address space.
+ *
+ *****************************************************************************/
+
+static acpi_status
+osl_map_table(acpi_size address,
+ char *signature, struct acpi_table_header **table)
+{
+ struct acpi_table_header *mapped_table;
+ u32 length;
+
+ if (!address) {
+ return (AE_BAD_ADDRESS);
+ }
+
+ /*
+ * Map the header so we can get the table length.
+ * Use sizeof (struct acpi_table_header) as:
+ * 1. it is bigger than 24 to include RSDP->Length
+ * 2. it is smaller than sizeof (struct acpi_table_rsdp)
+ */
+ mapped_table =
+ acpi_os_map_memory(address, sizeof(struct acpi_table_header));
+ if (!mapped_table) {
+ fprintf(stderr, "Could not map table header at 0x%8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(address));
+ return (osl_get_last_status(AE_BAD_ADDRESS));
+ }
+
+ /* If specified, signature must match */
+
+ if (signature && !ACPI_COMPARE_NAME(signature, mapped_table->signature)) {
+ acpi_os_unmap_memory(mapped_table,
+ sizeof(struct acpi_table_header));
+ return (AE_BAD_SIGNATURE);
+ }
+
+ /* Map the entire table */
+
+ length = ap_get_table_length(mapped_table);
+ acpi_os_unmap_memory(mapped_table, sizeof(struct acpi_table_header));
+ if (length == 0) {
+ return (AE_BAD_HEADER);
+ }
+
+ mapped_table = acpi_os_map_memory(address, length);
+ if (!mapped_table) {
+ fprintf(stderr,
+ "Could not map table at 0x%8.8X%8.8X length %8.8X\n",
+ ACPI_FORMAT_UINT64(address), length);
+ return (osl_get_last_status(AE_INVALID_TABLE_LENGTH));
+ }
+
+ (void)ap_is_valid_checksum(mapped_table);
+
+ *table = mapped_table;
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_unmap_table
+ *
+ * PARAMETERS: table - A pointer to the mapped table
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Unmap entire ACPI table.
+ *
+ *****************************************************************************/
+
+static void osl_unmap_table(struct acpi_table_header *table)
+{
+ if (table) {
+ acpi_os_unmap_memory(table, ap_get_table_length(table));
+ }
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_table_name_from_file
+ *
+ * PARAMETERS: filename - File that contains the desired table
+ * signature - Pointer to 4-character buffer to store
+ * extracted table signature.
+ * instance - Pointer to integer to store extracted
+ * table instance number.
+ *
+ * RETURN: Status; Table name is extracted if AE_OK.
+ *
+ * DESCRIPTION: Extract table signature and instance number from a table file
+ * name.
+ *
+ *****************************************************************************/
+
+static acpi_status
+osl_table_name_from_file(char *filename, char *signature, u32 *instance)
+{
+
+ /* Ignore meaningless files */
+
+ if (strlen(filename) < ACPI_NAME_SIZE) {
+ return (AE_BAD_SIGNATURE);
+ }
+
+ /* Extract instance number */
+
+ if (isdigit((int)filename[ACPI_NAME_SIZE])) {
+ sscanf(&filename[ACPI_NAME_SIZE], "%d", instance);
+ } else if (strlen(filename) != ACPI_NAME_SIZE) {
+ return (AE_BAD_SIGNATURE);
+ } else {
+ *instance = 0;
+ }
+
+ /* Extract signature */
+
+ ACPI_MOVE_NAME(signature, filename);
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_read_table_from_file
+ *
+ * PARAMETERS: filename - File that contains the desired table
+ * file_offset - Offset of the table in file
+ * signature - Optional ACPI Signature for desired table.
+ * A null terminated 4-character string.
+ * table - Where a pointer to the table is returned
+ *
+ * RETURN: Status; Table buffer is returned if AE_OK.
+ *
+ * DESCRIPTION: Read a ACPI table from a file.
+ *
+ *****************************************************************************/
+
+static acpi_status
+osl_read_table_from_file(char *filename,
+ acpi_size file_offset,
+ char *signature, struct acpi_table_header **table)
+{
+ FILE *table_file;
+ struct acpi_table_header header;
+ struct acpi_table_header *local_table = NULL;
+ u32 table_length;
+ s32 count;
+ u32 total = 0;
+ acpi_status status = AE_OK;
+
+ /* Open the file */
+
+ table_file = fopen(filename, "rb");
+ if (table_file == NULL) {
+ fprintf(stderr, "Could not open table file: %s\n", filename);
+ return (osl_get_last_status(AE_NOT_FOUND));
+ }
+
+ fseek(table_file, file_offset, SEEK_SET);
+
+ /* Read the Table header to get the table length */
+
+ count = fread(&header, 1, sizeof(struct acpi_table_header), table_file);
+ if (count != sizeof(struct acpi_table_header)) {
+ fprintf(stderr, "Could not read table header: %s\n", filename);
+ status = AE_BAD_HEADER;
+ goto exit;
+ }
+
+ /* If signature is specified, it must match the table */
+
+ if (signature && !ACPI_COMPARE_NAME(signature, header.signature)) {
+ fprintf(stderr,
+ "Incorrect signature: Expecting %4.4s, found %4.4s\n",
+ signature, header.signature);
+ status = AE_BAD_SIGNATURE;
+ goto exit;
+ }
+
+ table_length = ap_get_table_length(&header);
+ if (table_length == 0) {
+ status = AE_BAD_HEADER;
+ goto exit;
+ }
+
+ /* Read the entire table into a local buffer */
+
+ local_table = calloc(1, table_length);
+ if (!local_table) {
+ fprintf(stderr,
+ "%4.4s: Could not allocate buffer for table of length %X\n",
+ header.signature, table_length);
+ status = AE_NO_MEMORY;
+ goto exit;
+ }
+
+ fseek(table_file, file_offset, SEEK_SET);
+
+ while (!feof(table_file) && total < table_length) {
+ count = fread(local_table + total, 1, table_length - total, table_file);
+ if (count < 0) {
+ fprintf(stderr, "%4.4s: Could not read table content\n",
+ header.signature);
+ status = AE_INVALID_TABLE_LENGTH;
+ goto exit;
+ }
+
+ total += count;
+ }
+
+ /* Validate checksum */
+
+ (void)ap_is_valid_checksum(local_table);
+
+exit:
+ fclose(table_file);
+ *table = local_table;
+ return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: osl_get_customized_table
+ *
+ * PARAMETERS: pathname - Directory to find Linux customized table
+ * signature - ACPI Signature for desired table. Must be
+ * a null terminated 4-character string.
+ * instance - Multiple table support for SSDT/UEFI (0...n)
+ * Must be 0 for other tables.
+ * table - Where a pointer to the table is returned
+ * address - Where the table physical address is returned
+ *
+ * RETURN: Status; Table buffer is returned if AE_OK.
+ * AE_LIMIT: Instance is beyond valid limit
+ * AE_NOT_FOUND: A table with the signature was not found
+ *
+ * DESCRIPTION: Get an OS customized table.
+ *
+ *****************************************************************************/
+
+static acpi_status
+osl_get_customized_table(char *pathname,
+ char *signature,
+ u32 instance,
+ struct acpi_table_header **table,
+ acpi_physical_address * address)
+{
+ void *table_dir;
+ u32 current_instance = 0;
+ char temp_name[ACPI_NAME_SIZE];
+ char table_filename[PATH_MAX];
+ char *filename;
+ acpi_status status;
+
+ /* Open the directory for customized tables */
+
+ table_dir = acpi_os_open_directory(pathname, "*", REQUEST_FILE_ONLY);
+ if (!table_dir) {
+ return (osl_get_last_status(AE_NOT_FOUND));
+ }
+
+ /* Attempt to find the table in the directory */
+
+ while ((filename = acpi_os_get_next_filename(table_dir))) {
+
+ /* Ignore meaningless files */
+
+ if (!ACPI_COMPARE_NAME(filename, signature)) {
+ continue;
+ }
+
+ /* Extract table name and instance number */
+
+ status =
+ osl_table_name_from_file(filename, temp_name,
+ &current_instance);
+
+ /* Ignore meaningless files */
+
+ if (ACPI_FAILURE(status) || current_instance != instance) {
+ continue;
+ }
+
+ /* Create the table pathname */
+
+ if (instance != 0) {
+ sprintf(table_filename, "%s/%4.4s%d", pathname,
+ temp_name, instance);
+ } else {
+ sprintf(table_filename, "%s/%4.4s", pathname,
+ temp_name);
+ }
+ break;
+ }
+
+ acpi_os_close_directory(table_dir);
+
+ if (!filename) {
+ return (AE_LIMIT);
+ }
+
+ /* There is no physical address saved for customized tables, use zero */
+
+ *address = 0;
+ status = osl_read_table_from_file(table_filename, 0, NULL, table);
+
+ return (status);
+}
diff --git a/tools/power/acpi/os_specific/service_layers/osunixdir.c b/tools/power/acpi/os_specific/service_layers/osunixdir.c
new file mode 100644
index 0000000..733f9e4
--- /dev/null
+++ b/tools/power/acpi/os_specific/service_layers/osunixdir.c
@@ -0,0 +1,204 @@
+/******************************************************************************
+ *
+ * Module Name: osunixdir - Unix directory access interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <fnmatch.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+/*
+ * Allocated structure returned from os_open_directory
+ */
+typedef struct external_find_info {
+ char *dir_pathname;
+ DIR *dir_ptr;
+ char temp_buffer[256];
+ char *wildcard_spec;
+ char requested_file_type;
+
+} external_find_info;
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_open_directory
+ *
+ * PARAMETERS: dir_pathname - Full pathname to the directory
+ * wildcard_spec - string of the form "*.c", etc.
+ *
+ * RETURN: A directory "handle" to be used in subsequent search operations.
+ * NULL returned on failure.
+ *
+ * DESCRIPTION: Open a directory in preparation for a wildcard search
+ *
+ ******************************************************************************/
+
+void *acpi_os_open_directory(char *dir_pathname,
+ char *wildcard_spec, char requested_file_type)
+{
+ struct external_find_info *external_info;
+ DIR *dir;
+
+ /* Allocate the info struct that will be returned to the caller */
+
+ external_info = calloc(1, sizeof(struct external_find_info));
+ if (!external_info) {
+ return (NULL);
+ }
+
+ /* Get the directory stream */
+
+ dir = opendir(dir_pathname);
+ if (!dir) {
+ fprintf(stderr, "Cannot open directory - %s\n", dir_pathname);
+ free(external_info);
+ return (NULL);
+ }
+
+ /* Save the info in the return structure */
+
+ external_info->wildcard_spec = wildcard_spec;
+ external_info->requested_file_type = requested_file_type;
+ external_info->dir_pathname = dir_pathname;
+ external_info->dir_ptr = dir;
+ return (external_info);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_get_next_filename
+ *
+ * PARAMETERS: dir_handle - Created via acpi_os_open_directory
+ *
+ * RETURN: Next filename matched. NULL if no more matches.
+ *
+ * DESCRIPTION: Get the next file in the directory that matches the wildcard
+ * specification.
+ *
+ ******************************************************************************/
+
+char *acpi_os_get_next_filename(void *dir_handle)
+{
+ struct external_find_info *external_info = dir_handle;
+ struct dirent *dir_entry;
+ char *temp_str;
+ int str_len;
+ struct stat temp_stat;
+ int err;
+
+ while ((dir_entry = readdir(external_info->dir_ptr))) {
+ if (!fnmatch
+ (external_info->wildcard_spec, dir_entry->d_name, 0)) {
+ if (dir_entry->d_name[0] == '.') {
+ continue;
+ }
+
+ str_len = strlen(dir_entry->d_name) +
+ strlen(external_info->dir_pathname) + 2;
+
+ temp_str = calloc(str_len, 1);
+ if (!temp_str) {
+ fprintf(stderr,
+ "Could not allocate buffer for temporary string\n");
+ return (NULL);
+ }
+
+ strcpy(temp_str, external_info->dir_pathname);
+ strcat(temp_str, "/");
+ strcat(temp_str, dir_entry->d_name);
+
+ err = stat(temp_str, &temp_stat);
+ if (err == -1) {
+ fprintf(stderr,
+ "Cannot stat file (should not happen) - %s\n",
+ temp_str);
+ free(temp_str);
+ return (NULL);
+ }
+
+ free(temp_str);
+
+ if ((S_ISDIR(temp_stat.st_mode)
+ && (external_info->requested_file_type ==
+ REQUEST_DIR_ONLY))
+ || ((!S_ISDIR(temp_stat.st_mode)
+ && external_info->requested_file_type ==
+ REQUEST_FILE_ONLY))) {
+
+ /* copy to a temp buffer because dir_entry struct is on the stack */
+
+ strcpy(external_info->temp_buffer,
+ dir_entry->d_name);
+ return (external_info->temp_buffer);
+ }
+ }
+ }
+
+ return (NULL);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_close_directory
+ *
+ * PARAMETERS: dir_handle - Created via acpi_os_open_directory
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Close the open directory and cleanup.
+ *
+ ******************************************************************************/
+
+void acpi_os_close_directory(void *dir_handle)
+{
+ struct external_find_info *external_info = dir_handle;
+
+ /* Close the directory and free allocations */
+
+ closedir(external_info->dir_ptr);
+ free(dir_handle);
+}
diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c
new file mode 100644
index 0000000..99b47b6
--- /dev/null
+++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c
@@ -0,0 +1,151 @@
+/******************************************************************************
+ *
+ * Module Name: osunixmap - Unix OSL for file mappings
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 "acpidump.h"
+#include <unistd.h>
+#include <sys/mman.h>
+#ifdef _free_BSD
+#include <sys/param.h>
+#endif
+
+#define _COMPONENT ACPI_OS_SERVICES
+ACPI_MODULE_NAME("osunixmap")
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+#ifdef _free_BSD
+#define MMAP_FLAGS MAP_SHARED
+#else
+#define MMAP_FLAGS MAP_PRIVATE
+#endif
+#define SYSTEM_MEMORY "/dev/mem"
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_get_page_size
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Page size of the platform.
+ *
+ * DESCRIPTION: Obtain page size of the platform.
+ *
+ ******************************************************************************/
+static acpi_size acpi_os_get_page_size(void)
+{
+
+#ifdef PAGE_SIZE
+ return PAGE_SIZE;
+#else
+ return sysconf(_SC_PAGESIZE);
+#endif
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os_map_memory
+ *
+ * PARAMETERS: where - Physical address of memory to be mapped
+ * length - How much memory to map
+ *
+ * RETURN: Pointer to mapped memory. Null on error.
+ *
+ * DESCRIPTION: Map physical memory into local address space.
+ *
+ *****************************************************************************/
+
+void *acpi_os_map_memory(acpi_physical_address where, acpi_size length)
+{
+ u8 *mapped_memory;
+ acpi_physical_address offset;
+ acpi_size page_size;
+ int fd;
+
+ fd = open(SYSTEM_MEMORY, O_RDONLY | O_BINARY);
+ if (fd < 0) {
+ fprintf(stderr, "Cannot open %s\n", SYSTEM_MEMORY);
+ return (NULL);
+ }
+
+ /* Align the offset to use mmap */
+
+ page_size = acpi_os_get_page_size();
+ offset = where % page_size;
+
+ /* Map the table header to get the length of the full table */
+
+ mapped_memory = mmap(NULL, (length + offset), PROT_READ, MMAP_FLAGS,
+ fd, (where - offset));
+ if (mapped_memory == MAP_FAILED) {
+ fprintf(stderr, "Cannot map %s\n", SYSTEM_MEMORY);
+ close(fd);
+ return (NULL);
+ }
+
+ close(fd);
+ return (ACPI_CAST8(mapped_memory + offset));
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os_unmap_memory
+ *
+ * PARAMETERS: where - Logical address of memory to be unmapped
+ * length - How much memory to unmap
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Delete a previously created mapping. Where and Length must
+ * correspond to a previous mapping exactly.
+ *
+ *****************************************************************************/
+
+void acpi_os_unmap_memory(void *where, acpi_size length)
+{
+ acpi_physical_address offset;
+ acpi_size page_size;
+
+ page_size = acpi_os_get_page_size();
+ offset = (acpi_physical_address) where % page_size;
+ munmap((u8 *)where - offset, (length + offset));
+}
diff --git a/tools/power/acpi/tools/acpidump/acpidump.c b/tools/power/acpi/tools/acpidump/acpidump.c
deleted file mode 100644
index a84553a..0000000
--- a/tools/power/acpi/tools/acpidump/acpidump.c
+++ /dev/null
@@ -1,559 +0,0 @@
-/*
- * (c) Alexey Starikovskiy, Intel, 2005-2006.
- * 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.
- */
-
-#ifdef DEFINE_ALTERNATE_TYPES
-/* hack to enable building old application with new headers -lenb */
-#define acpi_fadt_descriptor acpi_table_fadt
-#define acpi_rsdp_descriptor acpi_table_rsdp
-#define DSDT_SIG ACPI_SIG_DSDT
-#define FACS_SIG ACPI_SIG_FACS
-#define FADT_SIG ACPI_SIG_FADT
-#define xfirmware_ctrl Xfacs
-#define firmware_ctrl facs
-
-typedef int s32;
-typedef unsigned char u8;
-typedef unsigned short u16;
-typedef unsigned int u32;
-typedef unsigned long long u64;
-typedef long long s64;
-#endif
-
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-
-#include <dirent.h>
-
-#include <acpi/acconfig.h>
-#include <acpi/platform/acenv.h>
-#include <acpi/actypes.h>
-#include <acpi/actbl.h>
-
-static inline u8 checksum(u8 * buffer, u32 length)
-{
- u8 sum = 0, *i = buffer;
- buffer += length;
- for (; i < buffer; sum += *(i++));
- return sum;
-}
-
-static unsigned long psz, addr, length;
-static int print, connect, skip;
-static u8 select_sig[4];
-
-static unsigned long read_efi_systab( void )
-{
- char buffer[80];
- unsigned long addr;
- FILE *f = fopen("/sys/firmware/efi/systab", "r");
- if (f) {
- while (fgets(buffer, 80, f)) {
- if (sscanf(buffer, "ACPI20=0x%lx", &addr) == 1)
- return addr;
- }
- fclose(f);
- }
- return 0;
-}
-
-static u8 *acpi_map_memory(unsigned long where, unsigned length)
-{
- unsigned long offset;
- u8 *there;
- int fd = open("/dev/mem", O_RDONLY);
- if (fd < 0) {
- fprintf(stderr, "acpi_os_map_memory: cannot open /dev/mem\n");
- exit(1);
- }
- offset = where % psz;
- there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE,
- fd, where - offset);
- close(fd);
- if (there == MAP_FAILED) return 0;
- return (there + offset);
-}
-
-static void acpi_unmap_memory(u8 * there, unsigned length)
-{
- unsigned long offset = (unsigned long)there % psz;
- munmap(there - offset, length + offset);
-}
-
-static struct acpi_table_header *acpi_map_table(unsigned long where, char *sig)
-{
- unsigned size;
- struct acpi_table_header *tbl = (struct acpi_table_header *)
- acpi_map_memory(where, sizeof(struct acpi_table_header));
- if (!tbl || (sig && memcmp(sig, tbl->signature, 4))) return 0;
- size = tbl->length;
- acpi_unmap_memory((u8 *) tbl, sizeof(struct acpi_table_header));
- return (struct acpi_table_header *)acpi_map_memory(where, size);
-}
-
-static void acpi_unmap_table(struct acpi_table_header *tbl)
-{
- acpi_unmap_memory((u8 *)tbl, tbl->length);
-}
-
-static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length)
-{
- struct acpi_rsdp_descriptor *rsdp;
- u8 *i, *end = begin + length;
- /* Search from given start address for the requested length */
- for (i = begin; i < end; i += ACPI_RSDP_SCAN_STEP) {
- /* The signature and checksum must both be correct */
- if (memcmp((char *)i, "RSD PTR ", 8)) continue;
- rsdp = (struct acpi_rsdp_descriptor *)i;
- /* Signature matches, check the appropriate checksum */
- if (!checksum((u8 *) rsdp, (rsdp->revision < 2) ?
- ACPI_RSDP_CHECKSUM_LENGTH :
- ACPI_RSDP_XCHECKSUM_LENGTH))
- /* Checksum valid, we have found a valid RSDP */
- return rsdp;
- }
- /* Searched entire block, no RSDP was found */
- return 0;
-}
-
-/*
- * Output data
- */
-static void acpi_show_data(int fd, u8 * data, int size)
-{
- char buffer[256];
- int len;
- int i, remain = size;
- while (remain > 0) {
- len = snprintf(buffer, 256, " %04x:", size - remain);
- for (i = 0; i < 16 && i < remain; i++) {
- len +=
- snprintf(&buffer[len], 256 - len, " %02x", data[i]);
- }
- for (; i < 16; i++) {
- len += snprintf(&buffer[len], 256 - len, " ");
- }
- len += snprintf(&buffer[len], 256 - len, " ");
- for (i = 0; i < 16 && i < remain; i++) {
- buffer[len++] = (isprint(data[i])) ? data[i] : '.';
- }
- buffer[len++] = '\n';
- write(fd, buffer, len);
- data += 16;
- remain -= 16;
- }
-}
-
-/*
- * Output ACPI table
- */
-static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned long addr)
-{
- char buff[80];
- int len = snprintf(buff, 80, "%.4s @ %p\n", table->signature, (void *)addr);
- write(fd, buff, len);
- acpi_show_data(fd, (u8 *) table, table->length);
- buff[0] = '\n';
- write(fd, buff, 1);
-}
-
-static void write_table(int fd, struct acpi_table_header *tbl, unsigned long addr)
-{
- static int select_done = 0;
- if (!select_sig[0]) {
- if (print) {
- acpi_show_table(fd, tbl, addr);
- } else {
- write(fd, tbl, tbl->length);
- }
- } else if (!select_done && !memcmp(select_sig, tbl->signature, 4)) {
- if (skip > 0) {
- --skip;
- return;
- }
- if (print) {
- acpi_show_table(fd, tbl, addr);
- } else {
- write(fd, tbl, tbl->length);
- }
- select_done = 1;
- }
-}
-
-static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long xaddr) {
- struct acpi_fadt_descriptor x;
- unsigned long addr;
- size_t len = sizeof(struct acpi_fadt_descriptor);
- if (len > tbl->length) len = tbl->length;
- memcpy(&x, tbl, len);
- x.header.length = len;
- if (checksum((u8 *)tbl, len)) {
- fprintf(stderr, "Wrong checksum for FADT!\n");
- }
- if (x.header.length >= 148 && x.Xdsdt) {
- addr = (unsigned long)x.Xdsdt;
- if (connect) {
- x.Xdsdt = lseek(fd, 0, SEEK_CUR);
- }
- } else if (x.header.length >= 44 && x.dsdt) {
- addr = (unsigned long)x.dsdt;
- if (connect) {
- x.dsdt = lseek(fd, 0, SEEK_CUR);
- }
- } else {
- fprintf(stderr, "No DSDT in FADT!\n");
- goto no_dsdt;
- }
- tbl = acpi_map_table(addr, DSDT_SIG);
- if (!tbl) goto no_dsdt;
- if (checksum((u8 *)tbl, tbl->length))
- fprintf(stderr, "Wrong checksum for DSDT!\n");
- write_table(fd, tbl, addr);
- acpi_unmap_table(tbl);
-no_dsdt:
- if (x.header.length >= 140 && x.xfirmware_ctrl) {
- addr = (unsigned long)x.xfirmware_ctrl;
- if (connect) {
- x.xfirmware_ctrl = lseek(fd, 0, SEEK_CUR);
- }
- } else if (x.header.length >= 40 && x.firmware_ctrl) {
- addr = (unsigned long)x.firmware_ctrl;
- if (connect) {
- x.firmware_ctrl = lseek(fd, 0, SEEK_CUR);
- }
- } else {
- fprintf(stderr, "No FACS in FADT!\n");
- goto no_facs;
- }
- tbl = acpi_map_table(addr, FACS_SIG);
- if (!tbl) goto no_facs;
- /* do not checksum FACS */
- write_table(fd, tbl, addr);
- acpi_unmap_table(tbl);
-no_facs:
- write_table(fd, (struct acpi_table_header *)&x, xaddr);
-}
-
-static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp)
-{
- struct acpi_table_header *sdt, *tbl = 0;
- int xsdt = 1, i, num;
- char *offset;
- unsigned long addr;
- if (rsdp->revision > 1 && rsdp->xsdt_physical_address) {
- tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT");
- }
- if (!tbl && rsdp->rsdt_physical_address) {
- xsdt = 0;
- tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT");
- }
- if (!tbl) return 0;
- sdt = malloc(tbl->length);
- memcpy(sdt, tbl, tbl->length);
- acpi_unmap_table(tbl);
- if (checksum((u8 *)sdt, sdt->length))
- fprintf(stderr, "Wrong checksum for %s!\n", (xsdt)?"XSDT":"RSDT");
- num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32));
- offset = (char *)sdt + sizeof(struct acpi_table_header);
- for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) {
- addr = (xsdt) ? (unsigned long)(*(u64 *)offset):
- (unsigned long)(*(u32 *)offset);
- if (!addr) continue;
- tbl = acpi_map_table(addr, 0);
- if (!tbl) continue;
- if (!memcmp(tbl->signature, FADT_SIG, 4)) {
- acpi_dump_FADT(fd, tbl, addr);
- } else {
- if (checksum((u8 *)tbl, tbl->length))
- fprintf(stderr, "Wrong checksum for generic table!\n");
- write_table(fd, tbl, addr);
- }
- acpi_unmap_table(tbl);
- if (connect) {
- if (xsdt)
- (*(u64*)offset) = lseek(fd, 0, SEEK_CUR);
- else
- (*(u32*)offset) = lseek(fd, 0, SEEK_CUR);
- }
- }
- if (xsdt) {
- addr = (unsigned long)rsdp->xsdt_physical_address;
- if (connect) {
- rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR);
- }
- } else {
- addr = (unsigned long)rsdp->rsdt_physical_address;
- if (connect) {
- rsdp->rsdt_physical_address = lseek(fd, 0, SEEK_CUR);
- }
- }
- write_table(fd, sdt, addr);
- free (sdt);
- return 1;
-}
-
-#define DYNAMIC_SSDT "/sys/firmware/acpi/tables/dynamic"
-
-static void acpi_dump_dynamic_SSDT(int fd)
-{
- struct stat file_stat;
- char filename[256], *ptr;
- DIR *tabledir;
- struct dirent *entry;
- FILE *fp;
- int count, readcount, length;
- struct acpi_table_header table_header, *ptable;
-
- if (stat(DYNAMIC_SSDT, &file_stat) == -1) {
- /* The directory doesn't exist */
- return;
- }
- tabledir = opendir(DYNAMIC_SSDT);
- if(!tabledir){
- /*can't open the directory */
- return;
- }
-
- while ((entry = readdir(tabledir)) != 0){
- /* skip the file of . /.. */
- if (entry->d_name[0] == '.')
- continue;
-
- sprintf(filename, "%s/%s", DYNAMIC_SSDT, entry->d_name);
- fp = fopen(filename, "r");
- if (fp == NULL) {
- fprintf(stderr, "Can't open the file of %s\n",
- filename);
- continue;
- }
- /* Read the Table header to parse the table length */
- count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp);
- if (count < sizeof(table_header)) {
- /* the length is lessn than ACPI table header. skip it */
- fclose(fp);
- continue;
- }
- length = table_header.length;
- ptr = malloc(table_header.length);
- fseek(fp, 0, SEEK_SET);
- readcount = 0;
- while(!feof(fp) && readcount < length) {
- count = fread(ptr + readcount, 1, 256, fp);
- readcount += count;
- }
- fclose(fp);
- ptable = (struct acpi_table_header *) ptr;
- if (checksum((u8 *) ptable, ptable->length))
- fprintf(stderr, "Wrong checksum "
- "for dynamic SSDT table!\n");
- write_table(fd, ptable, 0);
- free(ptr);
- }
- closedir(tabledir);
- return;
-}
-
-static void usage(const char *progname)
-{
- puts("Usage:");
- printf("%s [--addr 0x1234][--table DSDT][--output filename]"
- "[--binary][--length 0x456][--help]\n", progname);
- puts("\t--addr 0x1234 or -a 0x1234 -- look for tables at this physical address");
- puts("\t--table DSDT or -t DSDT -- only dump table with DSDT signature");
- puts("\t--output filename or -o filename -- redirect output from stdin to filename");
- puts("\t--binary or -b -- dump data in binary form rather than in hex-dump format");
- puts("\t--length 0x456 or -l 0x456 -- works only with --addr, dump physical memory"
- "\n\t\tregion without trying to understand it's contents");
- puts("\t--skip 2 or -s 2 -- skip 2 tables of the given name and output only 3rd one");
- puts("\t--help or -h -- this help message");
- exit(0);
-}
-
-static struct option long_options[] = {
- {"addr", 1, 0, 0},
- {"table", 1, 0, 0},
- {"output", 1, 0, 0},
- {"binary", 0, 0, 0},
- {"length", 1, 0, 0},
- {"skip", 1, 0, 0},
- {"help", 0, 0, 0},
- {0, 0, 0, 0}
-};
-int main(int argc, char **argv)
-{
- int option_index, c, fd;
- u8 *raw;
- struct acpi_rsdp_descriptor rsdpx, *x = 0;
- char *filename = 0;
- char buff[80];
- memset(select_sig, 0, 4);
- print = 1;
- connect = 0;
- addr = length = 0;
- skip = 0;
- while (1) {
- option_index = 0;
- c = getopt_long(argc, argv, "a:t:o:bl:s:h",
- long_options, &option_index);
- if (c == -1)
- break;
-
- switch (c) {
- case 0:
- switch (option_index) {
- case 0:
- addr = strtoul(optarg, (char **)NULL, 16);
- break;
- case 1:
- memcpy(select_sig, optarg, 4);
- break;
- case 2:
- filename = optarg;
- break;
- case 3:
- print = 0;
- break;
- case 4:
- length = strtoul(optarg, (char **)NULL, 16);
- break;
- case 5:
- skip = strtoul(optarg, (char **)NULL, 10);
- break;
- case 6:
- usage(argv[0]);
- exit(0);
- }
- break;
- case 'a':
- addr = strtoul(optarg, (char **)NULL, 16);
- break;
- case 't':
- memcpy(select_sig, optarg, 4);
- break;
- case 'o':
- filename = optarg;
- break;
- case 'b':
- print = 0;
- break;
- case 'l':
- length = strtoul(optarg, (char **)NULL, 16);
- break;
- case 's':
- skip = strtoul(optarg, (char **)NULL, 10);
- break;
- case 'h':
- usage(argv[0]);
- exit(0);
- default:
- printf("Unknown option!\n");
- usage(argv[0]);
- exit(0);
- }
- }
-
- fd = STDOUT_FILENO;
- if (filename) {
- fd = creat(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
- if (fd < 0)
- return fd;
- }
-
- if (!select_sig[0] && !print) {
- connect = 1;
- }
-
- psz = sysconf(_SC_PAGESIZE);
- if (length && addr) {
- /* We know length and address, it means we just want a memory dump */
- if (!(raw = acpi_map_memory(addr, length)))
- goto not_found;
- write(fd, raw, length);
- acpi_unmap_memory(raw, length);
- close(fd);
- return 0;
- }
-
- length = sizeof(struct acpi_rsdp_descriptor);
- if (!addr) {
- addr = read_efi_systab();
- if (!addr) {
- addr = ACPI_HI_RSDP_WINDOW_BASE;
- length = ACPI_HI_RSDP_WINDOW_SIZE;
- }
- }
-
- if (!(raw = acpi_map_memory(addr, length)) ||
- !(x = acpi_scan_for_rsdp(raw, length)))
- goto not_found;
-
- /* Find RSDP and print all found tables */
- memcpy(&rsdpx, x, sizeof(struct acpi_rsdp_descriptor));
- acpi_unmap_memory(raw, length);
- if (connect) {
- lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET);
- }
- if (!acpi_dump_SDT(fd, &rsdpx))
- goto not_found;
- if (connect) {
- lseek(fd, 0, SEEK_SET);
- write(fd, x, (rsdpx.revision < 2) ?
- ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH);
- } else if (!select_sig[0] || !memcmp("RSD PTR ", select_sig, 4)) {
- addr += (long)x - (long)raw;
- length = snprintf(buff, 80, "RSD PTR @ %p\n", (void *)addr);
- write(fd, buff, length);
- acpi_show_data(fd, (u8 *) & rsdpx, (rsdpx.revision < 2) ?
- ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH);
- buff[0] = '\n';
- write(fd, buff, 1);
- }
- acpi_dump_dynamic_SSDT(fd);
- close(fd);
- return 0;
-not_found:
- close(fd);
- fprintf(stderr, "ACPI tables were not found. If you know location "
- "of RSD PTR table (from dmesg, etc), "
- "supply it with either --addr or -a option\n");
- return 1;
-}
diff --git a/tools/power/acpi/tools/acpidump/acpidump.h b/tools/power/acpi/tools/acpidump/acpidump.h
new file mode 100644
index 0000000..3361b9e
--- /dev/null
+++ b/tools/power/acpi/tools/acpidump/acpidump.h
@@ -0,0 +1,131 @@
+/******************************************************************************
+ *
+ * Module Name: acpidump.h - Include file for acpi_dump utility
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+/*
+ * Global variables. Defined in main.c only, externed in all other files
+ */
+#ifdef _DECLARE_GLOBALS
+#define EXTERN
+#define INIT_GLOBAL(a,b) a=b
+#else
+#define EXTERN extern
+#define INIT_GLOBAL(a,b) a
+#endif
+
+/* Globals */
+
+EXTERN u8 INIT_GLOBAL(gbl_summary_mode, FALSE);
+EXTERN u8 INIT_GLOBAL(gbl_verbose_mode, FALSE);
+EXTERN u8 INIT_GLOBAL(gbl_binary_mode, FALSE);
+EXTERN u8 INIT_GLOBAL(gbl_dump_customized_tables, FALSE);
+EXTERN FILE INIT_GLOBAL(*gbl_output_file, NULL);
+EXTERN char INIT_GLOBAL(*gbl_output_filename, NULL);
+EXTERN u64 INIT_GLOBAL(gbl_rsdp_base, 0);
+
+/* Globals required for use with ACPICA modules */
+
+#ifdef _DECLARE_GLOBALS
+u8 acpi_gbl_enable_interpreter_slack = FALSE;
+u8 acpi_gbl_integer_byte_width = 8;
+u32 acpi_dbg_level = 0;
+u32 acpi_dbg_layer = 0;
+#endif
+
+/* Action table used to defer requested options */
+
+struct ap_dump_action {
+ char *argument;
+ u32 to_be_done;
+};
+
+#define AP_MAX_ACTIONS 32
+
+#define AP_DUMP_ALL_TABLES 0
+#define AP_DUMP_TABLE_BY_ADDRESS 1
+#define AP_DUMP_TABLE_BY_NAME 2
+#define AP_DUMP_TABLE_BY_FILE 3
+
+#define AP_MAX_ACPI_FILES 256 /* Prevent infinite loops */
+
+/* Minimum FADT sizes for various table addresses */
+
+#define MIN_FADT_FOR_DSDT (ACPI_FADT_OFFSET (dsdt) + sizeof (u32))
+#define MIN_FADT_FOR_FACS (ACPI_FADT_OFFSET (facs) + sizeof (u32))
+#define MIN_FADT_FOR_XDSDT (ACPI_FADT_OFFSET (Xdsdt) + sizeof (u64))
+#define MIN_FADT_FOR_XFACS (ACPI_FADT_OFFSET (Xfacs) + sizeof (u64))
+
+/*
+ * apdump - Table get/dump routines
+ */
+int ap_dump_table_from_file(char *pathname);
+
+int ap_dump_table_by_name(char *signature);
+
+int ap_dump_table_by_address(char *ascii_address);
+
+int ap_dump_all_tables(void);
+
+u8 ap_is_valid_header(struct acpi_table_header *table);
+
+u8 ap_is_valid_checksum(struct acpi_table_header *table);
+
+u32 ap_get_table_length(struct acpi_table_header *table);
+
+/*
+ * apfiles - File I/O utilities
+ */
+int ap_open_output_file(char *pathname);
+
+int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance);
+
+struct acpi_table_header *ap_get_table_from_file(char *pathname,
+ u32 *file_size);
diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c
new file mode 100644
index 0000000..3cac123
--- /dev/null
+++ b/tools/power/acpi/tools/acpidump/apdump.c
@@ -0,0 +1,451 @@
+/******************************************************************************
+ *
+ * Module Name: apdump - Dump routines for ACPI tables (acpidump)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 "acpidump.h"
+
+/* Local prototypes */
+
+static int
+ap_dump_table_buffer(struct acpi_table_header *table,
+ u32 instance, acpi_physical_address address);
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_is_valid_header
+ *
+ * PARAMETERS: table - Pointer to table to be validated
+ *
+ * RETURN: TRUE if the header appears to be valid. FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI table header
+ *
+ ******************************************************************************/
+
+u8 ap_is_valid_header(struct acpi_table_header *table)
+{
+
+ if (!ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+
+ /* Make sure signature is all ASCII and a valid ACPI name */
+
+ if (!acpi_ut_valid_acpi_name(table->signature)) {
+ fprintf(stderr,
+ "Table signature (0x%8.8X) is invalid\n",
+ *(u32 *)table->signature);
+ return (FALSE);
+ }
+
+ /* Check for minimum table length */
+
+ if (table->length < sizeof(struct acpi_table_header)) {
+ fprintf(stderr, "Table length (0x%8.8X) is invalid\n",
+ table->length);
+ return (FALSE);
+ }
+ }
+
+ return (TRUE);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_is_valid_checksum
+ *
+ * PARAMETERS: table - Pointer to table to be validated
+ *
+ * RETURN: TRUE if the checksum appears to be valid. FALSE otherwise.
+ *
+ * DESCRIPTION: Check for a valid ACPI table checksum.
+ *
+ ******************************************************************************/
+
+u8 ap_is_valid_checksum(struct acpi_table_header *table)
+{
+ acpi_status status;
+ struct acpi_table_rsdp *rsdp;
+
+ if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+ /*
+ * Checksum for RSDP.
+ * Note: Other checksums are computed during the table dump.
+ */
+ rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table);
+ status = acpi_tb_validate_rsdp(rsdp);
+ } else {
+ status = acpi_tb_verify_checksum(table, table->length);
+ }
+
+ if (ACPI_FAILURE(status)) {
+ fprintf(stderr, "%4.4s: Warning: wrong checksum in table\n",
+ table->signature);
+ }
+
+ return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_get_table_length
+ *
+ * PARAMETERS: table - Pointer to the table
+ *
+ * RETURN: Table length
+ *
+ * DESCRIPTION: Obtain table length according to table signature.
+ *
+ ******************************************************************************/
+
+u32 ap_get_table_length(struct acpi_table_header *table)
+{
+ struct acpi_table_rsdp *rsdp;
+
+ /* Check if table is valid */
+
+ if (!ap_is_valid_header(table)) {
+ return (0);
+ }
+
+ if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+ rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table);
+ return (rsdp->length);
+ }
+
+ /* Normal ACPI table */
+
+ return (table->length);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_dump_table_buffer
+ *
+ * PARAMETERS: table - ACPI table to be dumped
+ * instance - ACPI table instance no. to be dumped
+ * address - Physical address of the table
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Dump an ACPI table in standard ASCII hex format, with a
+ * header that is compatible with the acpi_xtract utility.
+ *
+ ******************************************************************************/
+
+static int
+ap_dump_table_buffer(struct acpi_table_header *table,
+ u32 instance, acpi_physical_address address)
+{
+ u32 table_length;
+
+ table_length = ap_get_table_length(table);
+
+ /* Print only the header if requested */
+
+ if (gbl_summary_mode) {
+ acpi_tb_print_table_header(address, table);
+ return (0);
+ }
+
+ /* Dump to binary file if requested */
+
+ if (gbl_binary_mode) {
+ return (ap_write_to_binary_file(table, instance));
+ }
+
+ /*
+ * Dump the table with header for use with acpixtract utility.
+ * Note: simplest to just always emit a 64-bit address. acpi_xtract
+ * utility can handle this.
+ */
+ printf("%4.4s @ 0x%8.8X%8.8X\n", table->signature,
+ ACPI_FORMAT_UINT64(address));
+
+ acpi_ut_dump_buffer(ACPI_CAST_PTR(u8, table), table_length,
+ DB_BYTE_DISPLAY, 0);
+ printf("\n");
+ return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_dump_all_tables
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get all tables from the RSDT/XSDT (or at least all of the
+ * tables that we can possibly get).
+ *
+ ******************************************************************************/
+
+int ap_dump_all_tables(void)
+{
+ struct acpi_table_header *table;
+ u32 instance = 0;
+ acpi_physical_address address;
+ acpi_status status;
+ int table_status;
+ u32 i;
+
+ /* Get and dump all available ACPI tables */
+
+ for (i = 0; i < AP_MAX_ACPI_FILES; i++) {
+ status =
+ acpi_os_get_table_by_index(i, &table, &instance, &address);
+ if (ACPI_FAILURE(status)) {
+
+ /* AE_LIMIT means that no more tables are available */
+
+ if (status == AE_LIMIT) {
+ return (0);
+ } else if (i == 0) {
+ fprintf(stderr,
+ "Could not get ACPI tables, %s\n",
+ acpi_format_exception(status));
+ return (-1);
+ } else {
+ fprintf(stderr,
+ "Could not get ACPI table at index %u, %s\n",
+ i, acpi_format_exception(status));
+ continue;
+ }
+ }
+
+ table_status = ap_dump_table_buffer(table, instance, address);
+ free(table);
+
+ if (table_status) {
+ break;
+ }
+ }
+
+ /* Something seriously bad happened if the loop terminates here */
+
+ return (-1);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_dump_table_by_address
+ *
+ * PARAMETERS: ascii_address - Address for requested ACPI table
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get an ACPI table via a physical address and dump it.
+ *
+ ******************************************************************************/
+
+int ap_dump_table_by_address(char *ascii_address)
+{
+ acpi_physical_address address;
+ struct acpi_table_header *table;
+ acpi_status status;
+ int table_status;
+ u64 long_address;
+
+ /* Convert argument to an integer physical address */
+
+ status = acpi_ut_strtoul64(ascii_address, 0, &long_address);
+ if (ACPI_FAILURE(status)) {
+ fprintf(stderr, "%s: Could not convert to a physical address\n",
+ ascii_address);
+ return (-1);
+ }
+
+ address = (acpi_physical_address) long_address;
+ status = acpi_os_get_table_by_address(address, &table);
+ if (ACPI_FAILURE(status)) {
+ fprintf(stderr, "Could not get table at 0x%8.8X%8.8X, %s\n",
+ ACPI_FORMAT_UINT64(address),
+ acpi_format_exception(status));
+ return (-1);
+ }
+
+ table_status = ap_dump_table_buffer(table, 0, address);
+ free(table);
+ return (table_status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_dump_table_by_name
+ *
+ * PARAMETERS: signature - Requested ACPI table signature
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get an ACPI table via a signature and dump it. Handles
+ * multiple tables with the same signature (SSDTs).
+ *
+ ******************************************************************************/
+
+int ap_dump_table_by_name(char *signature)
+{
+ char local_signature[ACPI_NAME_SIZE + 1];
+ u32 instance;
+ struct acpi_table_header *table;
+ acpi_physical_address address;
+ acpi_status status;
+ int table_status;
+
+ if (strlen(signature) != ACPI_NAME_SIZE) {
+ fprintf(stderr,
+ "Invalid table signature [%s]: must be exactly 4 characters\n",
+ signature);
+ return (-1);
+ }
+
+ /* Table signatures are expected to be uppercase */
+
+ strcpy(local_signature, signature);
+ acpi_ut_strupr(local_signature);
+
+ /* To be friendly, handle tables whose signatures do not match the name */
+
+ if (ACPI_COMPARE_NAME(local_signature, "FADT")) {
+ strcpy(local_signature, ACPI_SIG_FADT);
+ } else if (ACPI_COMPARE_NAME(local_signature, "MADT")) {
+ strcpy(local_signature, ACPI_SIG_MADT);
+ }
+
+ /* Dump all instances of this signature (to handle multiple SSDTs) */
+
+ for (instance = 0; instance < AP_MAX_ACPI_FILES; instance++) {
+ status = acpi_os_get_table_by_name(local_signature, instance,
+ &table, &address);
+ if (ACPI_FAILURE(status)) {
+
+ /* AE_LIMIT means that no more tables are available */
+
+ if (status == AE_LIMIT) {
+ return (0);
+ }
+
+ fprintf(stderr,
+ "Could not get ACPI table with signature [%s], %s\n",
+ local_signature, acpi_format_exception(status));
+ return (-1);
+ }
+
+ table_status = ap_dump_table_buffer(table, instance, address);
+ free(table);
+
+ if (table_status) {
+ break;
+ }
+ }
+
+ /* Something seriously bad happened if the loop terminates here */
+
+ return (-1);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_dump_table_from_file
+ *
+ * PARAMETERS: pathname - File containing the binary ACPI table
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Dump an ACPI table from a binary file
+ *
+ ******************************************************************************/
+
+int ap_dump_table_from_file(char *pathname)
+{
+ struct acpi_table_header *table;
+ u32 file_size = 0;
+ int table_status = -1;
+
+ /* Get the entire ACPI table from the file */
+
+ table = ap_get_table_from_file(pathname, &file_size);
+ if (!table) {
+ return (-1);
+ }
+
+ /* File must be at least as long as the table length */
+
+ if (table->length > file_size) {
+ fprintf(stderr,
+ "Table length (0x%X) is too large for input file (0x%X) %s\n",
+ table->length, file_size, pathname);
+ goto exit;
+ }
+
+ if (gbl_verbose_mode) {
+ fprintf(stderr,
+ "Input file: %s contains table [%4.4s], 0x%X (%u) bytes\n",
+ pathname, table->signature, file_size, file_size);
+ }
+
+ table_status = ap_dump_table_buffer(table, 0, 0);
+
+exit:
+ free(table);
+ return (table_status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_os* print functions
+ *
+ * DESCRIPTION: Used for linkage with ACPICA modules
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ vfprintf(stdout, fmt, args);
+ va_end(args);
+}
+
+void acpi_os_vprintf(const char *fmt, va_list args)
+{
+ vfprintf(stdout, fmt, args);
+}
diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c
new file mode 100644
index 0000000..4488acc
--- /dev/null
+++ b/tools/power/acpi/tools/acpidump/apfiles.c
@@ -0,0 +1,228 @@
+/******************************************************************************
+ *
+ * Module Name: apfiles - File-related functions for acpidump utility
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 "acpidump.h"
+#include "acapps.h"
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_open_output_file
+ *
+ * PARAMETERS: pathname - Output filename
+ *
+ * RETURN: Open file handle
+ *
+ * DESCRIPTION: Open a text output file for acpidump. Checks if file already
+ * exists.
+ *
+ ******************************************************************************/
+
+int ap_open_output_file(char *pathname)
+{
+ struct stat stat_info;
+ FILE *file;
+
+ /* If file exists, prompt for overwrite */
+
+ if (!stat(pathname, &stat_info)) {
+ fprintf(stderr,
+ "Target path already exists, overwrite? [y|n] ");
+
+ if (getchar() != 'y') {
+ return (-1);
+ }
+ }
+
+ /* Point stdout to the file */
+
+ file = freopen(pathname, "w", stdout);
+ if (!file) {
+ perror("Could not open output file");
+ return (-1);
+ }
+
+ /* Save the file and path */
+
+ gbl_output_file = file;
+ gbl_output_filename = pathname;
+ return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_write_to_binary_file
+ *
+ * PARAMETERS: table - ACPI table to be written
+ * instance - ACPI table instance no. to be written
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Write an ACPI table to a binary file. Builds the output
+ * filename from the table signature.
+ *
+ ******************************************************************************/
+
+int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance)
+{
+ char filename[ACPI_NAME_SIZE + 16];
+ char instance_str[16];
+ FILE *file;
+ size_t actual;
+ u32 table_length;
+
+ /* Obtain table length */
+
+ table_length = ap_get_table_length(table);
+
+ /* Construct lower-case filename from the table local signature */
+
+ if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+ ACPI_MOVE_NAME(filename, ACPI_RSDP_NAME);
+ } else {
+ ACPI_MOVE_NAME(filename, table->signature);
+ }
+ filename[0] = (char)ACPI_TOLOWER(filename[0]);
+ filename[1] = (char)ACPI_TOLOWER(filename[1]);
+ filename[2] = (char)ACPI_TOLOWER(filename[2]);
+ filename[3] = (char)ACPI_TOLOWER(filename[3]);
+ filename[ACPI_NAME_SIZE] = 0;
+
+ /* Handle multiple SSDts - create different filenames for each */
+
+ if (instance > 0) {
+ sprintf(instance_str, "%u", instance);
+ strcat(filename, instance_str);
+ }
+
+ strcat(filename, ACPI_TABLE_FILE_SUFFIX);
+
+ if (gbl_verbose_mode) {
+ fprintf(stderr,
+ "Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n",
+ table->signature, filename, table->length,
+ table->length);
+ }
+
+ /* Open the file and dump the entire table in binary mode */
+
+ file = fopen(filename, "wb");
+ if (!file) {
+ perror("Could not open output file");
+ return (-1);
+ }
+
+ actual = fwrite(table, 1, table_length, file);
+ if (actual != table_length) {
+ perror("Error writing binary output file");
+ fclose(file);
+ return (-1);
+ }
+
+ fclose(file);
+ return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_get_table_from_file
+ *
+ * PARAMETERS: pathname - File containing the binary ACPI table
+ * out_file_size - Where the file size is returned
+ *
+ * RETURN: Buffer containing the ACPI table. NULL on error.
+ *
+ * DESCRIPTION: Open a file and read it entirely into a new buffer
+ *
+ ******************************************************************************/
+
+struct acpi_table_header *ap_get_table_from_file(char *pathname,
+ u32 *out_file_size)
+{
+ struct acpi_table_header *buffer = NULL;
+ FILE *file;
+ u32 file_size;
+ size_t actual;
+
+ /* Must use binary mode */
+
+ file = fopen(pathname, "rb");
+ if (!file) {
+ perror("Could not open input file");
+ return (NULL);
+ }
+
+ /* Need file size to allocate a buffer */
+
+ file_size = cm_get_file_size(file);
+ if (file_size == ACPI_UINT32_MAX) {
+ fprintf(stderr,
+ "Could not get input file size: %s\n", pathname);
+ goto cleanup;
+ }
+
+ /* Allocate a buffer for the entire file */
+
+ buffer = calloc(1, file_size);
+ if (!buffer) {
+ fprintf(stderr,
+ "Could not allocate file buffer of size: %u\n",
+ file_size);
+ goto cleanup;
+ }
+
+ /* Read the entire file */
+
+ actual = fread(buffer, 1, file_size, file);
+ if (actual != file_size) {
+ fprintf(stderr, "Could not read input file: %s\n", pathname);
+ free(buffer);
+ buffer = NULL;
+ goto cleanup;
+ }
+
+ *out_file_size = file_size;
+
+cleanup:
+ fclose(file);
+ return (buffer);
+}
diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c
new file mode 100644
index 0000000..70d71ec
--- /dev/null
+++ b/tools/power/acpi/tools/acpidump/apmain.c
@@ -0,0 +1,340 @@
+/******************************************************************************
+ *
+ * Module Name: apmain - Main module for the acpidump utility
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#define _DECLARE_GLOBALS
+#include "acpidump.h"
+#include "acapps.h"
+
+/*
+ * acpidump - A portable utility for obtaining system ACPI tables and dumping
+ * them in an ASCII hex format suitable for binary extraction via acpixtract.
+ *
+ * Obtaining the system ACPI tables is an OS-specific operation.
+ *
+ * This utility can be ported to any host operating system by providing a
+ * module containing system-specific versions of these interfaces:
+ *
+ * acpi_os_get_table_by_address
+ * acpi_os_get_table_by_index
+ * acpi_os_get_table_by_name
+ *
+ * See the ACPICA Reference Guide for the exact definitions of these
+ * interfaces. Also, see these ACPICA source code modules for example
+ * implementations:
+ *
+ * source/os_specific/service_layers/oswintbl.c
+ * source/os_specific/service_layers/oslinuxtbl.c
+ */
+
+/* Local prototypes */
+
+static void ap_display_usage(void);
+
+static int ap_do_options(int argc, char **argv);
+
+static void ap_insert_action(char *argument, u32 to_be_done);
+
+/* Table for deferred actions from command line options */
+
+struct ap_dump_action action_table[AP_MAX_ACTIONS];
+u32 current_action = 0;
+
+#define AP_UTILITY_NAME "ACPI Binary Table Dump Utility"
+#define AP_SUPPORTED_OPTIONS "?a:bcf:hn:o:r:svz"
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_display_usage
+ *
+ * DESCRIPTION: Usage message for the acpi_dump utility
+ *
+ ******************************************************************************/
+
+static void ap_display_usage(void)
+{
+
+ ACPI_USAGE_HEADER("acpidump [options]");
+
+ ACPI_OPTION("-b", "Dump tables to binary files");
+ ACPI_OPTION("-c", "Dump customized tables");
+ ACPI_OPTION("-h -?", "This help message");
+ ACPI_OPTION("-o <File>", "Redirect output to file");
+ ACPI_OPTION("-r <Address>", "Dump tables from specified RSDP");
+ ACPI_OPTION("-s", "Print table summaries only");
+ ACPI_OPTION("-v", "Display version information");
+ ACPI_OPTION("-z", "Verbose mode");
+
+ printf("\nTable Options:\n");
+
+ ACPI_OPTION("-a <Address>", "Get table via a physical address");
+ ACPI_OPTION("-f <BinaryFile>", "Get table via a binary file");
+ ACPI_OPTION("-n <Signature>", "Get table via a name/signature");
+
+ printf("\n"
+ "Invocation without parameters dumps all available tables\n"
+ "Multiple mixed instances of -a, -f, and -n are supported\n\n");
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_insert_action
+ *
+ * PARAMETERS: argument - Pointer to the argument for this action
+ * to_be_done - What to do to process this action
+ *
+ * RETURN: None. Exits program if action table becomes full.
+ *
+ * DESCRIPTION: Add an action item to the action table
+ *
+ ******************************************************************************/
+
+static void ap_insert_action(char *argument, u32 to_be_done)
+{
+
+ /* Insert action and check for table overflow */
+
+ action_table[current_action].argument = argument;
+ action_table[current_action].to_be_done = to_be_done;
+
+ current_action++;
+ if (current_action > AP_MAX_ACTIONS) {
+ fprintf(stderr, "Too many table options (max %u)\n",
+ AP_MAX_ACTIONS);
+ exit(-1);
+ }
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: ap_do_options
+ *
+ * PARAMETERS: argc/argv - Standard argc/argv
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Command line option processing. The main actions for getting
+ * and dumping tables are deferred via the action table.
+ *
+ *****************************************************************************/
+
+static int ap_do_options(int argc, char **argv)
+{
+ int j;
+ acpi_status status;
+
+ /* Command line options */
+
+ while ((j = acpi_getopt(argc, argv, AP_SUPPORTED_OPTIONS)) != EOF)
+ switch (j) {
+ /*
+ * Global options
+ */
+ case 'b': /* Dump all input tables to binary files */
+
+ gbl_binary_mode = TRUE;
+ continue;
+
+ case 'c': /* Dump customized tables */
+
+ gbl_dump_customized_tables = TRUE;
+ continue;
+
+ case 'h':
+ case '?':
+
+ ap_display_usage();
+ exit(0);
+
+ case 'o': /* Redirect output to a single file */
+
+ if (ap_open_output_file(acpi_gbl_optarg)) {
+ exit(-1);
+ }
+ continue;
+
+ case 'r': /* Dump tables from specified RSDP */
+
+ status =
+ acpi_ut_strtoul64(acpi_gbl_optarg, 0,
+ &gbl_rsdp_base);
+ if (ACPI_FAILURE(status)) {
+ fprintf(stderr,
+ "%s: Could not convert to a physical address\n",
+ acpi_gbl_optarg);
+ exit(-1);
+ }
+ continue;
+
+ case 's': /* Print table summaries only */
+
+ gbl_summary_mode = TRUE;
+ continue;
+
+ case 'v': /* Revision/version */
+
+ printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
+ exit(0);
+
+ case 'z': /* Verbose mode */
+
+ gbl_verbose_mode = TRUE;
+ fprintf(stderr, ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
+ continue;
+
+ /*
+ * Table options
+ */
+ case 'a': /* Get table by physical address */
+
+ ap_insert_action(acpi_gbl_optarg,
+ AP_DUMP_TABLE_BY_ADDRESS);
+ break;
+
+ case 'f': /* Get table from a file */
+
+ ap_insert_action(acpi_gbl_optarg,
+ AP_DUMP_TABLE_BY_FILE);
+ break;
+
+ case 'n': /* Get table by input name (signature) */
+
+ ap_insert_action(acpi_gbl_optarg,
+ AP_DUMP_TABLE_BY_NAME);
+ break;
+
+ default:
+
+ ap_display_usage();
+ exit(-1);
+ }
+
+ /* If there are no actions, this means "get/dump all tables" */
+
+ if (current_action == 0) {
+ ap_insert_action(NULL, AP_DUMP_ALL_TABLES);
+ }
+
+ return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: main
+ *
+ * PARAMETERS: argc/argv - Standard argc/argv
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: C main function for acpidump utility
+ *
+ ******************************************************************************/
+
+int ACPI_SYSTEM_XFACE main(int argc, char *argv[])
+{
+ int status = 0;
+ struct ap_dump_action *action;
+ u32 file_size;
+ u32 i;
+
+ ACPI_DEBUG_INITIALIZE(); /* For debug version only */
+
+ /* Process command line options */
+
+ if (ap_do_options(argc, argv)) {
+ return (-1);
+ }
+
+ /* Get/dump ACPI table(s) as requested */
+
+ for (i = 0; i < current_action; i++) {
+ action = &action_table[i];
+ switch (action->to_be_done) {
+ case AP_DUMP_ALL_TABLES:
+
+ status = ap_dump_all_tables();
+ break;
+
+ case AP_DUMP_TABLE_BY_ADDRESS:
+
+ status = ap_dump_table_by_address(action->argument);
+ break;
+
+ case AP_DUMP_TABLE_BY_NAME:
+
+ status = ap_dump_table_by_name(action->argument);
+ break;
+
+ case AP_DUMP_TABLE_BY_FILE:
+
+ status = ap_dump_table_from_file(action->argument);
+ break;
+
+ default:
+
+ fprintf(stderr,
+ "Internal error, invalid action: 0x%X\n",
+ action->to_be_done);
+ return (-1);
+ }
+
+ if (status) {
+ return (status);
+ }
+ }
+
+ if (gbl_output_file) {
+ if (gbl_verbose_mode) {
+
+ /* Summary for the output file */
+
+ file_size = cm_get_file_size(gbl_output_file);
+ fprintf(stderr,
+ "Output file %s contains 0x%X (%u) bytes\n\n",
+ gbl_output_filename, file_size, file_size);
+ }
+
+ fclose(gbl_output_file);
+ }
+
+ return (status);
+}

Privacy Policy