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-rw-r--r--drivers/acpi/utilities/Makefile9
-rw-r--r--drivers/acpi/utilities/utalloc.c382
-rw-r--r--drivers/acpi/utilities/utcache.c314
-rw-r--r--drivers/acpi/utilities/utcopy.c969
-rw-r--r--drivers/acpi/utilities/utdebug.c654
-rw-r--r--drivers/acpi/utilities/utdelete.c676
-rw-r--r--drivers/acpi/utilities/uteval.c751
-rw-r--r--drivers/acpi/utilities/utglobal.c819
-rw-r--r--drivers/acpi/utilities/utinit.c151
-rw-r--r--drivers/acpi/utilities/utmath.c311
-rw-r--r--drivers/acpi/utilities/utmisc.c1090
-rw-r--r--drivers/acpi/utilities/utmutex.c341
-rw-r--r--drivers/acpi/utilities/utobject.c676
-rw-r--r--drivers/acpi/utilities/utresrc.c615
-rw-r--r--drivers/acpi/utilities/utstate.c346
-rw-r--r--drivers/acpi/utilities/utxface.c500
16 files changed, 8604 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/Makefile b/drivers/acpi/utilities/Makefile
new file mode 100644
index 0000000..88eff14
--- /dev/null
+++ b/drivers/acpi/utilities/Makefile
@@ -0,0 +1,9 @@
+#
+# Makefile for all Linux ACPI interpreter subdirectories
+#
+
+obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
+ utcopy.o utdelete.o utglobal.o utmath.o utobject.o \
+ utstate.o utmutex.o utobject.o utcache.o utresrc.o
+
+EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
new file mode 100644
index 0000000..241c535
--- /dev/null
+++ b/drivers/acpi/utilities/utalloc.c
@@ -0,0 +1,382 @@
+/******************************************************************************
+ *
+ * Module Name: utalloc - local memory allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/acdebug.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utalloc")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_caches
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create all local caches
+ *
+ ******************************************************************************/
+acpi_status acpi_ut_create_caches(void)
+{
+ acpi_status status;
+
+ /* Object Caches, for frequently used objects */
+
+ status =
+ acpi_os_create_cache("Acpi-Namespace",
+ sizeof(struct acpi_namespace_node),
+ ACPI_MAX_NAMESPACE_CACHE_DEPTH,
+ &acpi_gbl_namespace_cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status =
+ acpi_os_create_cache("Acpi-State", sizeof(union acpi_generic_state),
+ ACPI_MAX_STATE_CACHE_DEPTH,
+ &acpi_gbl_state_cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status =
+ acpi_os_create_cache("Acpi-Parse",
+ sizeof(struct acpi_parse_obj_common),
+ ACPI_MAX_PARSE_CACHE_DEPTH,
+ &acpi_gbl_ps_node_cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status =
+ acpi_os_create_cache("Acpi-ParseExt",
+ sizeof(struct acpi_parse_obj_named),
+ ACPI_MAX_EXTPARSE_CACHE_DEPTH,
+ &acpi_gbl_ps_node_ext_cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status =
+ acpi_os_create_cache("Acpi-Operand",
+ sizeof(union acpi_operand_object),
+ ACPI_MAX_OBJECT_CACHE_DEPTH,
+ &acpi_gbl_operand_cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+ /* Memory allocation lists */
+
+ status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ status =
+ acpi_ut_create_list("Acpi-Namespace",
+ sizeof(struct acpi_namespace_node),
+ &acpi_gbl_ns_node_list);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+#endif
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_caches
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Purge and delete all local caches
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_delete_caches(void)
+{
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+ char buffer[7];
+
+ if (acpi_gbl_display_final_mem_stats) {
+ ACPI_STRCPY(buffer, "MEMORY");
+ (void)acpi_db_display_statistics(buffer);
+ }
+#endif
+
+ (void)acpi_os_delete_cache(acpi_gbl_namespace_cache);
+ acpi_gbl_namespace_cache = NULL;
+
+ (void)acpi_os_delete_cache(acpi_gbl_state_cache);
+ acpi_gbl_state_cache = NULL;
+
+ (void)acpi_os_delete_cache(acpi_gbl_operand_cache);
+ acpi_gbl_operand_cache = NULL;
+
+ (void)acpi_os_delete_cache(acpi_gbl_ps_node_cache);
+ acpi_gbl_ps_node_cache = NULL;
+
+ (void)acpi_os_delete_cache(acpi_gbl_ps_node_ext_cache);
+ acpi_gbl_ps_node_ext_cache = NULL;
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+ /* Debug only - display leftover memory allocation, if any */
+
+ acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL);
+
+ /* Free memory lists */
+
+ ACPI_FREE(acpi_gbl_global_list);
+ acpi_gbl_global_list = NULL;
+
+ ACPI_FREE(acpi_gbl_ns_node_list);
+ acpi_gbl_ns_node_list = NULL;
+#endif
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_validate_buffer
+ *
+ * PARAMETERS: Buffer - Buffer descriptor to be validated
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Perform parameter validation checks on an struct acpi_buffer
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer)
+{
+
+ /* Obviously, the structure pointer must be valid */
+
+ if (!buffer) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Special semantics for the length */
+
+ if ((buffer->length == ACPI_NO_BUFFER) ||
+ (buffer->length == ACPI_ALLOCATE_BUFFER) ||
+ (buffer->length == ACPI_ALLOCATE_LOCAL_BUFFER)) {
+ return (AE_OK);
+ }
+
+ /* Length is valid, the buffer pointer must be also */
+
+ if (!buffer->pointer) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_initialize_buffer
+ *
+ * PARAMETERS: Buffer - Buffer to be validated
+ * required_length - Length needed
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Validate that the buffer is of the required length or
+ * allocate a new buffer. Returned buffer is always zeroed.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
+ acpi_size required_length)
+{
+ acpi_size input_buffer_length;
+
+ /* Parameter validation */
+
+ if (!buffer || !required_length) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Buffer->Length is used as both an input and output parameter. Get the
+ * input actual length and set the output required buffer length.
+ */
+ input_buffer_length = buffer->length;
+ buffer->length = required_length;
+
+ /*
+ * The input buffer length contains the actual buffer length, or the type
+ * of buffer to be allocated by this routine.
+ */
+ switch (input_buffer_length) {
+ case ACPI_NO_BUFFER:
+
+ /* Return the exception (and the required buffer length) */
+
+ return (AE_BUFFER_OVERFLOW);
+
+ case ACPI_ALLOCATE_BUFFER:
+
+ /* Allocate a new buffer */
+
+ buffer->pointer = acpi_os_allocate(required_length);
+ break;
+
+ case ACPI_ALLOCATE_LOCAL_BUFFER:
+
+ /* Allocate a new buffer with local interface to allow tracking */
+
+ buffer->pointer = ACPI_ALLOCATE(required_length);
+ break;
+
+ default:
+
+ /* Existing buffer: Validate the size of the buffer */
+
+ if (input_buffer_length < required_length) {
+ return (AE_BUFFER_OVERFLOW);
+ }
+ break;
+ }
+
+ /* Validate allocation from above or input buffer pointer */
+
+ if (!buffer->pointer) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Have a valid buffer, clear it */
+
+ ACPI_MEMSET(buffer->pointer, 0, required_length);
+ return (AE_OK);
+}
+
+#ifdef NOT_USED_BY_LINUX
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_allocate
+ *
+ * PARAMETERS: Size - Size of the allocation
+ * Component - Component type of caller
+ * Module - Source file name of caller
+ * Line - Line number of caller
+ *
+ * RETURN: Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of malloc.
+ *
+ ******************************************************************************/
+
+void *acpi_ut_allocate(acpi_size size,
+ u32 component, const char *module, u32 line)
+{
+ void *allocation;
+
+ ACPI_FUNCTION_TRACE_U32(ut_allocate, size);
+
+ /* Check for an inadvertent size of zero bytes */
+
+ if (!size) {
+ ACPI_WARNING((module, line,
+ "Attempt to allocate zero bytes, allocating 1 byte"));
+ size = 1;
+ }
+
+ allocation = acpi_os_allocate(size);
+ if (!allocation) {
+
+ /* Report allocation error */
+
+ ACPI_WARNING((module, line,
+ "Could not allocate size %X", (u32) size));
+
+ return_PTR(NULL);
+ }
+
+ return_PTR(allocation);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_allocate_zeroed
+ *
+ * PARAMETERS: Size - Size of the allocation
+ * Component - Component type of caller
+ * Module - Source file name of caller
+ * Line - Line number of caller
+ *
+ * RETURN: Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
+ *
+ ******************************************************************************/
+
+void *acpi_ut_allocate_zeroed(acpi_size size,
+ u32 component, const char *module, u32 line)
+{
+ void *allocation;
+
+ ACPI_FUNCTION_ENTRY();
+
+ allocation = acpi_ut_allocate(size, component, module, line);
+ if (allocation) {
+
+ /* Clear the memory block */
+
+ ACPI_MEMSET(allocation, 0, size);
+ }
+
+ return (allocation);
+}
+#endif
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
new file mode 100644
index 0000000..245fa80
--- /dev/null
+++ b/drivers/acpi/utilities/utcache.c
@@ -0,0 +1,314 @@
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utcache")
+#ifdef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_create_cache
+ *
+ * PARAMETERS: cache_name - Ascii name for the cache
+ * object_size - Size of each cached object
+ * max_depth - Maximum depth of the cache (in objects)
+ * return_cache - Where the new cache object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_create_cache(char *cache_name,
+ u16 object_size,
+ u16 max_depth, struct acpi_memory_list ** return_cache)
+{
+ struct acpi_memory_list *cache;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache_name || !return_cache || (object_size < 16)) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Create the cache object */
+
+ cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
+ if (!cache) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Populate the cache object and return it */
+
+ ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
+ cache->link_offset = 8;
+ cache->list_name = cache_name;
+ cache->object_size = object_size;
+ cache->max_depth = max_depth;
+
+ *return_cache = cache;
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_purge_cache
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)
+{
+ char *next;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Walk the list of objects in this cache */
+
+ while (cache->list_head) {
+
+ /* Delete and unlink one cached state object */
+
+ next = *(ACPI_CAST_INDIRECT_PTR(char,
+ &(((char *)cache->
+ list_head)[cache->
+ link_offset])));
+ ACPI_FREE(cache->list_head);
+
+ cache->list_head = next;
+ cache->current_depth--;
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_delete_cache
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ * cache object.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Purge all objects in the cache */
+
+ status = acpi_os_purge_cache(cache);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Now we can delete the cache object */
+
+ ACPI_FREE(cache);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_release_object
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ * Object - The object to be released
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Release an object to the specified cache. If cache is full,
+ * the object is deleted.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_release_object(struct acpi_memory_list * cache, void *object)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!cache || !object) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* If cache is full, just free this object */
+
+ if (cache->current_depth >= cache->max_depth) {
+ ACPI_FREE(object);
+ ACPI_MEM_TRACKING(cache->total_freed++);
+ }
+
+ /* Otherwise put this object back into the cache */
+
+ else {
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Mark the object as cached */
+
+ ACPI_MEMSET(object, 0xCA, cache->object_size);
+ ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_CACHED);
+
+ /* Put the object at the head of the cache list */
+
+ *(ACPI_CAST_INDIRECT_PTR(char,
+ &(((char *)object)[cache->
+ link_offset]))) =
+ cache->list_head;
+ cache->list_head = object;
+ cache->current_depth++;
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_acquire_object
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: the acquired object. NULL on error
+ *
+ * DESCRIPTION: Get an object from the specified cache. If cache is empty,
+ * the object is allocated.
+ *
+ ******************************************************************************/
+
+void *acpi_os_acquire_object(struct acpi_memory_list *cache)
+{
+ acpi_status status;
+ void *object;
+
+ ACPI_FUNCTION_NAME(os_acquire_object);
+
+ if (!cache) {
+ return (NULL);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (NULL);
+ }
+
+ ACPI_MEM_TRACKING(cache->requests++);
+
+ /* Check the cache first */
+
+ if (cache->list_head) {
+
+ /* There is an object available, use it */
+
+ object = cache->list_head;
+ cache->list_head = *(ACPI_CAST_INDIRECT_PTR(char,
+ &(((char *)
+ object)[cache->
+ link_offset])));
+
+ cache->current_depth--;
+
+ ACPI_MEM_TRACKING(cache->hits++);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Object %p from %s cache\n", object,
+ cache->list_name));
+
+ status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (NULL);
+ }
+
+ /* Clear (zero) the previously used Object */
+
+ ACPI_MEMSET(object, 0, cache->object_size);
+ } else {
+ /* The cache is empty, create a new object */
+
+ ACPI_MEM_TRACKING(cache->total_allocated++);
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+ if ((cache->total_allocated - cache->total_freed) >
+ cache->max_occupied) {
+ cache->max_occupied =
+ cache->total_allocated - cache->total_freed;
+ }
+#endif
+
+ /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
+
+ status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return (NULL);
+ }
+
+ object = ACPI_ALLOCATE_ZEROED(cache->object_size);
+ if (!object) {
+ return (NULL);
+ }
+ }
+
+ return (object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
new file mode 100644
index 0000000..5b2f7c2
--- /dev/null
+++ b/drivers/acpi/utilities/utcopy.c
@@ -0,0 +1,969 @@
+/******************************************************************************
+ *
+ * Module Name: utcopy - Internal to external object translation utilities
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/acnamesp.h>
+
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utcopy")
+
+/* Local prototypes */
+static acpi_status
+acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
+ union acpi_object *external_object,
+ u8 * data_space, acpi_size * buffer_space_used);
+
+static acpi_status
+acpi_ut_copy_ielement_to_ielement(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context);
+
+static acpi_status
+acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object,
+ u8 * buffer, acpi_size * space_used);
+
+static acpi_status
+acpi_ut_copy_esimple_to_isimple(union acpi_object *user_obj,
+ union acpi_operand_object **return_obj);
+
+static acpi_status
+acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
+ union acpi_operand_object **internal_object);
+
+static acpi_status
+acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
+ union acpi_operand_object *dest_desc);
+
+static acpi_status
+acpi_ut_copy_ielement_to_eelement(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context);
+
+static acpi_status
+acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
+ union acpi_operand_object *dest_obj,
+ struct acpi_walk_state *walk_state);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_isimple_to_esimple
+ *
+ * PARAMETERS: internal_object - Source object to be copied
+ * external_object - Where to return the copied object
+ * data_space - Where object data is returned (such as
+ * buffer and string data)
+ * buffer_space_used - Length of data_space that was used
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function is called to copy a simple internal object to
+ * an external object.
+ *
+ * The data_space buffer is assumed to have sufficient space for
+ * the object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
+ union acpi_object *external_object,
+ u8 * data_space, acpi_size * buffer_space_used)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ut_copy_isimple_to_esimple);
+
+ *buffer_space_used = 0;
+
+ /*
+ * Check for NULL object case (could be an uninitialized
+ * package element)
+ */
+ if (!internal_object) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Always clear the external object */
+
+ ACPI_MEMSET(external_object, 0, sizeof(union acpi_object));
+
+ /*
+ * In general, the external object will be the same type as
+ * the internal object
+ */
+ external_object->type = ACPI_GET_OBJECT_TYPE(internal_object);
+
+ /* However, only a limited number of external types are supported */
+
+ switch (ACPI_GET_OBJECT_TYPE(internal_object)) {
+ case ACPI_TYPE_STRING:
+
+ external_object->string.pointer = (char *)data_space;
+ external_object->string.length = internal_object->string.length;
+ *buffer_space_used = ACPI_ROUND_UP_TO_NATIVE_WORD((acpi_size)
+ internal_object->
+ string.
+ length + 1);
+
+ ACPI_MEMCPY((void *)data_space,
+ (void *)internal_object->string.pointer,
+ (acpi_size) internal_object->string.length + 1);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ external_object->buffer.pointer = data_space;
+ external_object->buffer.length = internal_object->buffer.length;
+ *buffer_space_used =
+ ACPI_ROUND_UP_TO_NATIVE_WORD(internal_object->string.
+ length);
+
+ ACPI_MEMCPY((void *)data_space,
+ (void *)internal_object->buffer.pointer,
+ internal_object->buffer.length);
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ external_object->integer.value = internal_object->integer.value;
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ /* This is an object reference. */
+
+ switch (internal_object->reference.class) {
+ case ACPI_REFCLASS_NAME:
+
+ /*
+ * For namepath, return the object handle ("reference")
+ * We are referring to the namespace node
+ */
+ external_object->reference.handle =
+ internal_object->reference.node;
+ external_object->reference.actual_type =
+ acpi_ns_get_type(internal_object->reference.node);
+ break;
+
+ default:
+
+ /* All other reference types are unsupported */
+
+ return_ACPI_STATUS(AE_TYPE);
+ }
+ break;
+
+ case ACPI_TYPE_PROCESSOR:
+
+ external_object->processor.proc_id =
+ internal_object->processor.proc_id;
+ external_object->processor.pblk_address =
+ internal_object->processor.address;
+ external_object->processor.pblk_length =
+ internal_object->processor.length;
+ break;
+
+ case ACPI_TYPE_POWER:
+
+ external_object->power_resource.system_level =
+ internal_object->power_resource.system_level;
+
+ external_object->power_resource.resource_order =
+ internal_object->power_resource.resource_order;
+ break;
+
+ default:
+ /*
+ * There is no corresponding external object type
+ */
+ ACPI_ERROR((AE_INFO,
+ "Unsupported object type, cannot convert to external object: %s",
+ acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE
+ (internal_object))));
+
+ return_ACPI_STATUS(AE_SUPPORT);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_ielement_to_eelement
+ *
+ * PARAMETERS: acpi_pkg_callback
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Copy one package element to another package element
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_ielement_to_eelement(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context)
+{
+ acpi_status status = AE_OK;
+ struct acpi_pkg_info *info = (struct acpi_pkg_info *)context;
+ acpi_size object_space;
+ u32 this_index;
+ union acpi_object *target_object;
+
+ ACPI_FUNCTION_ENTRY();
+
+ this_index = state->pkg.index;
+ target_object = (union acpi_object *)
+ &((union acpi_object *)(state->pkg.dest_object))->package.
+ elements[this_index];
+
+ switch (object_type) {
+ case ACPI_COPY_TYPE_SIMPLE:
+
+ /*
+ * This is a simple or null object
+ */
+ status = acpi_ut_copy_isimple_to_esimple(source_object,
+ target_object,
+ info->free_space,
+ &object_space);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ break;
+
+ case ACPI_COPY_TYPE_PACKAGE:
+
+ /*
+ * Build the package object
+ */
+ target_object->type = ACPI_TYPE_PACKAGE;
+ target_object->package.count = source_object->package.count;
+ target_object->package.elements =
+ ACPI_CAST_PTR(union acpi_object, info->free_space);
+
+ /*
+ * Pass the new package object back to the package walk routine
+ */
+ state->pkg.this_target_obj = target_object;
+
+ /*
+ * Save space for the array of objects (Package elements)
+ * update the buffer length counter
+ */
+ object_space = ACPI_ROUND_UP_TO_NATIVE_WORD((acpi_size)
+ target_object->
+ package.count *
+ sizeof(union
+ acpi_object));
+ break;
+
+ default:
+ return (AE_BAD_PARAMETER);
+ }
+
+ info->free_space += object_space;
+ info->length += object_space;
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_ipackage_to_epackage
+ *
+ * PARAMETERS: internal_object - Pointer to the object we are returning
+ * Buffer - Where the object is returned
+ * space_used - Where the object length is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function is called to place a package object in a user
+ * buffer. A package object by definition contains other objects.
+ *
+ * The buffer is assumed to have sufficient space for the object.
+ * The caller must have verified the buffer length needed using the
+ * acpi_ut_get_object_size function before calling this function.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object,
+ u8 * buffer, acpi_size * space_used)
+{
+ union acpi_object *external_object;
+ acpi_status status;
+ struct acpi_pkg_info info;
+
+ ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_epackage);
+
+ /*
+ * First package at head of the buffer
+ */
+ external_object = ACPI_CAST_PTR(union acpi_object, buffer);
+
+ /*
+ * Free space begins right after the first package
+ */
+ info.length = ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object));
+ info.free_space =
+ buffer + ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object));
+ info.object_space = 0;
+ info.num_packages = 1;
+
+ external_object->type = ACPI_GET_OBJECT_TYPE(internal_object);
+ external_object->package.count = internal_object->package.count;
+ external_object->package.elements = ACPI_CAST_PTR(union acpi_object,
+ info.free_space);
+
+ /*
+ * Leave room for an array of ACPI_OBJECTS in the buffer
+ * and move the free space past it
+ */
+ info.length += (acpi_size) external_object->package.count *
+ ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object));
+ info.free_space += external_object->package.count *
+ ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object));
+
+ status = acpi_ut_walk_package_tree(internal_object, external_object,
+ acpi_ut_copy_ielement_to_eelement,
+ &info);
+
+ *space_used = info.length;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_iobject_to_eobject
+ *
+ * PARAMETERS: internal_object - The internal object to be converted
+ * buffer_ptr - Where the object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function is called to build an API object to be returned to
+ * the caller.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *internal_object,
+ struct acpi_buffer *ret_buffer)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_copy_iobject_to_eobject);
+
+ if (ACPI_GET_OBJECT_TYPE(internal_object) == ACPI_TYPE_PACKAGE) {
+ /*
+ * Package object: Copy all subobjects (including
+ * nested packages)
+ */
+ status = acpi_ut_copy_ipackage_to_epackage(internal_object,
+ ret_buffer->pointer,
+ &ret_buffer->length);
+ } else {
+ /*
+ * Build a simple object (no nested objects)
+ */
+ status = acpi_ut_copy_isimple_to_esimple(internal_object,
+ ACPI_CAST_PTR(union
+ acpi_object,
+ ret_buffer->
+ pointer),
+ ACPI_ADD_PTR(u8,
+ ret_buffer->
+ pointer,
+ ACPI_ROUND_UP_TO_NATIVE_WORD
+ (sizeof
+ (union
+ acpi_object))),
+ &ret_buffer->length);
+ /*
+ * build simple does not include the object size in the length
+ * so we add it in here
+ */
+ ret_buffer->length += sizeof(union acpi_object);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_esimple_to_isimple
+ *
+ * PARAMETERS: external_object - The external object to be converted
+ * ret_internal_object - Where the internal object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function copies an external object to an internal one.
+ * NOTE: Pointers can be copied, we don't need to copy data.
+ * (The pointers have to be valid in our address space no matter
+ * what we do with them!)
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
+ union acpi_operand_object **ret_internal_object)
+{
+ union acpi_operand_object *internal_object;
+
+ ACPI_FUNCTION_TRACE(ut_copy_esimple_to_isimple);
+
+ /*
+ * Simple types supported are: String, Buffer, Integer
+ */
+ switch (external_object->type) {
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ internal_object = acpi_ut_create_internal_object((u8)
+ external_object->
+ type);
+ if (!internal_object) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+ break;
+
+ case ACPI_TYPE_ANY: /* This is the case for a NULL object */
+
+ *ret_internal_object = NULL;
+ return_ACPI_STATUS(AE_OK);
+
+ default:
+ /* All other types are not supported */
+
+ ACPI_ERROR((AE_INFO,
+ "Unsupported object type, cannot convert to internal object: %s",
+ acpi_ut_get_type_name(external_object->type)));
+
+ return_ACPI_STATUS(AE_SUPPORT);
+ }
+
+ /* Must COPY string and buffer contents */
+
+ switch (external_object->type) {
+ case ACPI_TYPE_STRING:
+
+ internal_object->string.pointer =
+ ACPI_ALLOCATE_ZEROED((acpi_size) external_object->string.
+ length + 1);
+ if (!internal_object->string.pointer) {
+ goto error_exit;
+ }
+
+ ACPI_MEMCPY(internal_object->string.pointer,
+ external_object->string.pointer,
+ external_object->string.length);
+
+ internal_object->string.length = external_object->string.length;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ internal_object->buffer.pointer =
+ ACPI_ALLOCATE_ZEROED(external_object->buffer.length);
+ if (!internal_object->buffer.pointer) {
+ goto error_exit;
+ }
+
+ ACPI_MEMCPY(internal_object->buffer.pointer,
+ external_object->buffer.pointer,
+ external_object->buffer.length);
+
+ internal_object->buffer.length = external_object->buffer.length;
+
+ /* Mark buffer data valid */
+
+ internal_object->buffer.flags |= AOPOBJ_DATA_VALID;
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ internal_object->integer.value = external_object->integer.value;
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ /* TBD: should validate incoming handle */
+
+ internal_object->reference.class = ACPI_REFCLASS_NAME;
+ internal_object->reference.node =
+ external_object->reference.handle;
+ break;
+
+ default:
+ /* Other types can't get here */
+ break;
+ }
+
+ *ret_internal_object = internal_object;
+ return_ACPI_STATUS(AE_OK);
+
+ error_exit:
+ acpi_ut_remove_reference(internal_object);
+ return_ACPI_STATUS(AE_NO_MEMORY);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_epackage_to_ipackage
+ *
+ * PARAMETERS: external_object - The external object to be converted
+ * internal_object - Where the internal object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Copy an external package object to an internal package.
+ * Handles nested packages.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
+ union acpi_operand_object **internal_object)
+{
+ acpi_status status = AE_OK;
+ union acpi_operand_object *package_object;
+ union acpi_operand_object **package_elements;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage);
+
+ /* Create the package object */
+
+ package_object =
+ acpi_ut_create_package_object(external_object->package.count);
+ if (!package_object) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ package_elements = package_object->package.elements;
+
+ /*
+ * Recursive implementation. Probably ok, since nested external packages
+ * as parameters should be very rare.
+ */
+ for (i = 0; i < external_object->package.count; i++) {
+ status =
+ acpi_ut_copy_eobject_to_iobject(&external_object->package.
+ elements[i],
+ &package_elements[i]);
+ if (ACPI_FAILURE(status)) {
+
+ /* Truncate package and delete it */
+
+ package_object->package.count = i;
+ package_elements[i] = NULL;
+ acpi_ut_remove_reference(package_object);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Mark package data valid */
+
+ package_object->package.flags |= AOPOBJ_DATA_VALID;
+
+ *internal_object = package_object;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_eobject_to_iobject
+ *
+ * PARAMETERS: external_object - The external object to be converted
+ * internal_object - Where the internal object is returned
+ *
+ * RETURN: Status - the status of the call
+ *
+ * DESCRIPTION: Converts an external object to an internal object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_copy_eobject_to_iobject(union acpi_object *external_object,
+ union acpi_operand_object **internal_object)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_copy_eobject_to_iobject);
+
+ if (external_object->type == ACPI_TYPE_PACKAGE) {
+ status =
+ acpi_ut_copy_epackage_to_ipackage(external_object,
+ internal_object);
+ } else {
+ /*
+ * Build a simple object (no nested objects)
+ */
+ status =
+ acpi_ut_copy_esimple_to_isimple(external_object,
+ internal_object);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_simple_object
+ *
+ * PARAMETERS: source_desc - The internal object to be copied
+ * dest_desc - New target object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Simple copy of one internal object to another. Reference count
+ * of the destination object is preserved.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
+ union acpi_operand_object *dest_desc)
+{
+ u16 reference_count;
+ union acpi_operand_object *next_object;
+
+ /* Save fields from destination that we don't want to overwrite */
+
+ reference_count = dest_desc->common.reference_count;
+ next_object = dest_desc->common.next_object;
+
+ /* Copy the entire source object over the destination object */
+
+ ACPI_MEMCPY((char *)dest_desc, (char *)source_desc,
+ sizeof(union acpi_operand_object));
+
+ /* Restore the saved fields */
+
+ dest_desc->common.reference_count = reference_count;
+ dest_desc->common.next_object = next_object;
+
+ /* New object is not static, regardless of source */
+
+ dest_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
+
+ /* Handle the objects with extra data */
+
+ switch (ACPI_GET_OBJECT_TYPE(dest_desc)) {
+ case ACPI_TYPE_BUFFER:
+ /*
+ * Allocate and copy the actual buffer if and only if:
+ * 1) There is a valid buffer pointer
+ * 2) The buffer has a length > 0
+ */
+ if ((source_desc->buffer.pointer) &&
+ (source_desc->buffer.length)) {
+ dest_desc->buffer.pointer =
+ ACPI_ALLOCATE(source_desc->buffer.length);
+ if (!dest_desc->buffer.pointer) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Copy the actual buffer data */
+
+ ACPI_MEMCPY(dest_desc->buffer.pointer,
+ source_desc->buffer.pointer,
+ source_desc->buffer.length);
+ }
+ break;
+
+ case ACPI_TYPE_STRING:
+ /*
+ * Allocate and copy the actual string if and only if:
+ * 1) There is a valid string pointer
+ * (Pointer to a NULL string is allowed)
+ */
+ if (source_desc->string.pointer) {
+ dest_desc->string.pointer =
+ ACPI_ALLOCATE((acpi_size) source_desc->string.
+ length + 1);
+ if (!dest_desc->string.pointer) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Copy the actual string data */
+
+ ACPI_MEMCPY(dest_desc->string.pointer,
+ source_desc->string.pointer,
+ (acpi_size) source_desc->string.length + 1);
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+ /*
+ * We copied the reference object, so we now must add a reference
+ * to the object pointed to by the reference
+ *
+ * DDBHandle reference (from Load/load_table) is a special reference,
+ * it does not have a Reference.Object, so does not need to
+ * increase the reference count
+ */
+ if (source_desc->reference.class == ACPI_REFCLASS_TABLE) {
+ break;
+ }
+
+ acpi_ut_add_reference(source_desc->reference.object);
+ break;
+
+ case ACPI_TYPE_REGION:
+ /*
+ * We copied the Region Handler, so we now must add a reference
+ */
+ if (dest_desc->region.handler) {
+ acpi_ut_add_reference(dest_desc->region.handler);
+ }
+ break;
+
+ default:
+ /* Nothing to do for other simple objects */
+ break;
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_ielement_to_ielement
+ *
+ * PARAMETERS: acpi_pkg_callback
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Copy one package element to another package element
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_ielement_to_ielement(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context)
+{
+ acpi_status status = AE_OK;
+ u32 this_index;
+ union acpi_operand_object **this_target_ptr;
+ union acpi_operand_object *target_object;
+
+ ACPI_FUNCTION_ENTRY();
+
+ this_index = state->pkg.index;
+ this_target_ptr = (union acpi_operand_object **)
+ &state->pkg.dest_object->package.elements[this_index];
+
+ switch (object_type) {
+ case ACPI_COPY_TYPE_SIMPLE:
+
+ /* A null source object indicates a (legal) null package element */
+
+ if (source_object) {
+ /*
+ * This is a simple object, just copy it
+ */
+ target_object =
+ acpi_ut_create_internal_object(ACPI_GET_OBJECT_TYPE
+ (source_object));
+ if (!target_object) {
+ return (AE_NO_MEMORY);
+ }
+
+ status =
+ acpi_ut_copy_simple_object(source_object,
+ target_object);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+
+ *this_target_ptr = target_object;
+ } else {
+ /* Pass through a null element */
+
+ *this_target_ptr = NULL;
+ }
+ break;
+
+ case ACPI_COPY_TYPE_PACKAGE:
+
+ /*
+ * This object is a package - go down another nesting level
+ * Create and build the package object
+ */
+ target_object =
+ acpi_ut_create_package_object(source_object->package.count);
+ if (!target_object) {
+ return (AE_NO_MEMORY);
+ }
+
+ target_object->common.flags = source_object->common.flags;
+
+ /* Pass the new package object back to the package walk routine */
+
+ state->pkg.this_target_obj = target_object;
+
+ /* Store the object pointer in the parent package object */
+
+ *this_target_ptr = target_object;
+ break;
+
+ default:
+ return (AE_BAD_PARAMETER);
+ }
+
+ return (status);
+
+ error_exit:
+ acpi_ut_remove_reference(target_object);
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_ipackage_to_ipackage
+ *
+ * PARAMETERS: *source_obj - Pointer to the source package object
+ * *dest_obj - Where the internal object is returned
+ *
+ * RETURN: Status - the status of the call
+ *
+ * DESCRIPTION: This function is called to copy an internal package object
+ * into another internal package object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
+ union acpi_operand_object *dest_obj,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_ipackage);
+
+ dest_obj->common.type = ACPI_GET_OBJECT_TYPE(source_obj);
+ dest_obj->common.flags = source_obj->common.flags;
+ dest_obj->package.count = source_obj->package.count;
+
+ /*
+ * Create the object array and walk the source package tree
+ */
+ dest_obj->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
+ source_obj->package.
+ count +
+ 1) * sizeof(void *));
+ if (!dest_obj->package.elements) {
+ ACPI_ERROR((AE_INFO, "Package allocation failure"));
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /*
+ * Copy the package element-by-element by walking the package "tree".
+ * This handles nested packages of arbitrary depth.
+ */
+ status = acpi_ut_walk_package_tree(source_obj, dest_obj,
+ acpi_ut_copy_ielement_to_ielement,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+
+ /* On failure, delete the destination package object */
+
+ acpi_ut_remove_reference(dest_obj);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_iobject_to_iobject
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * source_desc - The internal object to be copied
+ * dest_desc - Where the copied object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Copy an internal object to a new internal object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
+ union acpi_operand_object **dest_desc,
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(ut_copy_iobject_to_iobject);
+
+ /* Create the top level object */
+
+ *dest_desc =
+ acpi_ut_create_internal_object(ACPI_GET_OBJECT_TYPE(source_desc));
+ if (!*dest_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Copy the object and possible subobjects */
+
+ if (ACPI_GET_OBJECT_TYPE(source_desc) == ACPI_TYPE_PACKAGE) {
+ status =
+ acpi_ut_copy_ipackage_to_ipackage(source_desc, *dest_desc,
+ walk_state);
+ } else {
+ status = acpi_ut_copy_simple_object(source_desc, *dest_desc);
+ }
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
new file mode 100644
index 0000000..fd66ecb
--- /dev/null
+++ b/drivers/acpi/utilities/utdebug.c
@@ -0,0 +1,654 @@
+/******************************************************************************
+ *
+ * Module Name: utdebug - Debug print routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utdebug")
+#ifdef ACPI_DEBUG_OUTPUT
+static acpi_thread_id acpi_gbl_prev_thread_id;
+static char *acpi_gbl_fn_entry_str = "----Entry";
+static char *acpi_gbl_fn_exit_str = "----Exit-";
+
+/* Local prototypes */
+
+static const char *acpi_ut_trim_function_name(const char *function_name);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_init_stack_ptr_trace
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
+ *
+ ******************************************************************************/
+
+void acpi_ut_init_stack_ptr_trace(void)
+{
+ acpi_size current_sp;
+
+ acpi_gbl_entry_stack_pointer = &current_sp;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_track_stack_ptr
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Save the current CPU stack pointer
+ *
+ ******************************************************************************/
+
+void acpi_ut_track_stack_ptr(void)
+{
+ acpi_size current_sp;
+
+ if (&current_sp < acpi_gbl_lowest_stack_pointer) {
+ acpi_gbl_lowest_stack_pointer = &current_sp;
+ }
+
+ if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
+ acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_trim_function_name
+ *
+ * PARAMETERS: function_name - Ascii string containing a procedure name
+ *
+ * RETURN: Updated pointer to the function name
+ *
+ * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
+ * This allows compiler macros such as __func__ to be used
+ * with no change to the debug output.
+ *
+ ******************************************************************************/
+
+static const char *acpi_ut_trim_function_name(const char *function_name)
+{
+
+ /* All Function names are longer than 4 chars, check is safe */
+
+ if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
+
+ /* This is the case where the original source has not been modified */
+
+ return (function_name + 4);
+ }
+
+ if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
+
+ /* This is the case where the source has been 'linuxized' */
+
+ return (function_name + 5);
+ }
+
+ return (function_name);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_debug_print
+ *
+ * PARAMETERS: requested_debug_level - Requested debug print level
+ * line_number - Caller's line number (for error output)
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * Format - Printf format field
+ * ... - Optional printf arguments
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print error message with prefix consisting of the module name,
+ * line number, and component ID.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_debug_print(u32 requested_debug_level,
+ u32 line_number,
+ const char *function_name,
+ const char *module_name,
+ u32 component_id, const char *format, ...)
+{
+ acpi_thread_id thread_id;
+ va_list args;
+
+ /*
+ * Stay silent if the debug level or component ID is disabled
+ */
+ if (!(requested_debug_level & acpi_dbg_level) ||
+ !(component_id & acpi_dbg_layer)) {
+ return;
+ }
+
+ /*
+ * Thread tracking and context switch notification
+ */
+ thread_id = acpi_os_get_thread_id();
+ if (thread_id != acpi_gbl_prev_thread_id) {
+ if (ACPI_LV_THREADS & acpi_dbg_level) {
+ acpi_os_printf
+ ("\n**** Context Switch from TID %lX to TID %lX ****\n\n",
+ (unsigned long)acpi_gbl_prev_thread_id,
+ (unsigned long)thread_id);
+ }
+
+ acpi_gbl_prev_thread_id = thread_id;
+ }
+
+ /*
+ * Display the module name, current line number, thread ID (if requested),
+ * current procedure nesting level, and the current procedure name
+ */
+ acpi_os_printf("%8s-%04ld ", module_name, line_number);
+
+ if (ACPI_LV_THREADS & acpi_dbg_level) {
+ acpi_os_printf("[%04lX] ", (unsigned long)thread_id);
+ }
+
+ acpi_os_printf("[%02ld] %-22.22s: ",
+ acpi_gbl_nesting_level,
+ acpi_ut_trim_function_name(function_name));
+
+ va_start(args, format);
+ acpi_os_vprintf(format, args);
+ va_end(args);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_debug_print)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_debug_print_raw
+ *
+ * PARAMETERS: requested_debug_level - Requested debug print level
+ * line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * Format - Printf format field
+ * ... - Optional printf arguments
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print message with no headers. Has same interface as
+ * debug_print so that the same macros can be used.
+ *
+ ******************************************************************************/
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_debug_print_raw(u32 requested_debug_level,
+ u32 line_number,
+ const char *function_name,
+ const char *module_name,
+ u32 component_id, const char *format, ...)
+{
+ va_list args;
+
+ if (!(requested_debug_level & acpi_dbg_level) ||
+ !(component_id & acpi_dbg_layer)) {
+ return;
+ }
+
+ va_start(args, format);
+ acpi_os_vprintf(format, args);
+ va_end(args);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_trace
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level
+ *
+ ******************************************************************************/
+void
+acpi_ut_trace(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id)
+{
+
+ acpi_gbl_nesting_level++;
+ acpi_ut_track_stack_ptr();
+
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s\n", acpi_gbl_fn_entry_str);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_trace)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_trace_ptr
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * Pointer - Pointer to display
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level
+ *
+ ******************************************************************************/
+void
+acpi_ut_trace_ptr(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, void *pointer)
+{
+ acpi_gbl_nesting_level++;
+ acpi_ut_track_stack_ptr();
+
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %p\n", acpi_gbl_fn_entry_str,
+ pointer);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_trace_str
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * String - Additional string to display
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_trace_str(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, char *string)
+{
+
+ acpi_gbl_nesting_level++;
+ acpi_ut_track_stack_ptr();
+
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %s\n", acpi_gbl_fn_entry_str,
+ string);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_trace_u32
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * Integer - Integer to display
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_trace_u32(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, u32 integer)
+{
+
+ acpi_gbl_nesting_level++;
+ acpi_ut_track_stack_ptr();
+
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %08X\n", acpi_gbl_fn_entry_str,
+ integer);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_exit
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id)
+{
+
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s\n", acpi_gbl_fn_exit_str);
+
+ acpi_gbl_nesting_level--;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_exit)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_status_exit
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * Status - Exit status code
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level. Prints exit status also.
+ *
+ ******************************************************************************/
+void
+acpi_ut_status_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name,
+ u32 component_id, acpi_status status)
+{
+
+ if (ACPI_SUCCESS(status)) {
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %s\n",
+ acpi_gbl_fn_exit_str,
+ acpi_format_exception(status));
+ } else {
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s ****Exception****: %s\n",
+ acpi_gbl_fn_exit_str,
+ acpi_format_exception(status));
+ }
+
+ acpi_gbl_nesting_level--;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_value_exit
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * Value - Value to be printed with exit msg
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level. Prints exit value also.
+ *
+ ******************************************************************************/
+void
+acpi_ut_value_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name,
+ u32 component_id, acpi_integer value)
+{
+
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %8.8X%8.8X\n",
+ acpi_gbl_fn_exit_str, ACPI_FORMAT_UINT64(value));
+
+ acpi_gbl_nesting_level--;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_ptr_exit
+ *
+ * PARAMETERS: line_number - Caller's line number
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
+ * Ptr - Pointer to display
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
+ * set in debug_level. Prints exit value also.
+ *
+ ******************************************************************************/
+void
+acpi_ut_ptr_exit(u32 line_number,
+ const char *function_name,
+ const char *module_name, u32 component_id, u8 *ptr)
+{
+
+ acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %p\n", acpi_gbl_fn_exit_str, ptr);
+
+ acpi_gbl_nesting_level--;
+}
+
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dump_buffer
+ *
+ * PARAMETERS: Buffer - Buffer to dump
+ * Count - Amount to dump, in bytes
+ * Display - BYTE, WORD, DWORD, or QWORD display
+ * component_iD - Caller's component ID
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
+{
+ u32 i = 0;
+ u32 j;
+ u32 temp32;
+ u8 buf_char;
+
+ if (!buffer) {
+ acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
+ return;
+ }
+
+ if ((count < 4) || (count & 0x01)) {
+ display = DB_BYTE_DISPLAY;
+ }
+
+ /* Nasty little dump buffer routine! */
+
+ while (i < count) {
+
+ /* Print current offset */
+
+ acpi_os_printf("%6.4X: ", i);
+
+ /* Print 16 hex chars */
+
+ for (j = 0; j < 16;) {
+ if (i + j >= count) {
+
+ /* Dump fill spaces */
+
+ acpi_os_printf("%*s", ((display * 2) + 1), " ");
+ j += display;
+ continue;
+ }
+
+ switch (display) {
+ case DB_BYTE_DISPLAY:
+ default: /* Default is BYTE display */
+
+ acpi_os_printf("%02X ",
+ buffer[(acpi_size) i + j]);
+ break;
+
+ case DB_WORD_DISPLAY:
+
+ ACPI_MOVE_16_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
+ acpi_os_printf("%04X ", temp32);
+ break;
+
+ case DB_DWORD_DISPLAY:
+
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
+ acpi_os_printf("%08X ", temp32);
+ break;
+
+ case DB_QWORD_DISPLAY:
+
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j]);
+ acpi_os_printf("%08X", temp32);
+
+ ACPI_MOVE_32_TO_32(&temp32,
+ &buffer[(acpi_size) i + j +
+ 4]);
+ acpi_os_printf("%08X ", temp32);
+ break;
+ }
+
+ j += display;
+ }
+
+ /*
+ * Print the ASCII equivalent characters but watch out for the bad
+ * unprintable ones (printable chars are 0x20 through 0x7E)
+ */
+ acpi_os_printf(" ");
+ for (j = 0; j < 16; j++) {
+ if (i + j >= count) {
+ acpi_os_printf("\n");
+ return;
+ }
+
+ buf_char = buffer[(acpi_size) i + j];
+ if (ACPI_IS_PRINT(buf_char)) {
+ acpi_os_printf("%c", buf_char);
+ } else {
+ acpi_os_printf(".");
+ }
+ }
+
+ /* Done with that line. */
+
+ acpi_os_printf("\n");
+ i += 16;
+ }
+
+ return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dump_buffer
+ *
+ * PARAMETERS: Buffer - Buffer to dump
+ * Count - Amount to dump, in bytes
+ * Display - BYTE, WORD, DWORD, or QWORD display
+ * component_iD - Caller's component ID
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
+{
+
+ /* Only dump the buffer if tracing is enabled */
+
+ if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
+ (component_id & acpi_dbg_layer))) {
+ return;
+ }
+
+ acpi_ut_dump_buffer2(buffer, count, display);
+}
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
new file mode 100644
index 0000000..d197c6b
--- /dev/null
+++ b/drivers/acpi/utilities/utdelete.c
@@ -0,0 +1,676 @@
+/*******************************************************************************
+ *
+ * Module Name: utdelete - object deletion and reference count utilities
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/acinterp.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acevents.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utdelete")
+
+/* Local prototypes */
+static void acpi_ut_delete_internal_obj(union acpi_operand_object *object);
+
+static void
+acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_internal_obj
+ *
+ * PARAMETERS: Object - Object to be deleted
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Low level object deletion, after reference counts have been
+ * updated (All reference counts, including sub-objects!)
+ *
+ ******************************************************************************/
+
+static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
+{
+ void *obj_pointer = NULL;
+ union acpi_operand_object *handler_desc;
+ union acpi_operand_object *second_desc;
+ union acpi_operand_object *next_desc;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object);
+
+ if (!object) {
+ return_VOID;
+ }
+
+ /*
+ * Must delete or free any pointers within the object that are not
+ * actual ACPI objects (for example, a raw buffer pointer).
+ */
+ switch (ACPI_GET_OBJECT_TYPE(object)) {
+ case ACPI_TYPE_STRING:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "**** String %p, ptr %p\n", object,
+ object->string.pointer));
+
+ /* Free the actual string buffer */
+
+ if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+
+ /* But only if it is NOT a pointer into an ACPI table */
+
+ obj_pointer = object->string.pointer;
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "**** Buffer %p, ptr %p\n", object,
+ object->buffer.pointer));
+
+ /* Free the actual buffer */
+
+ if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+
+ /* But only if it is NOT a pointer into an ACPI table */
+
+ obj_pointer = object->buffer.pointer;
+ }
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ " **** Package of count %X\n",
+ object->package.count));
+
+ /*
+ * Elements of the package are not handled here, they are deleted
+ * separately
+ */
+
+ /* Free the (variable length) element pointer array */
+
+ obj_pointer = object->package.elements;
+ break;
+
+ /*
+ * These objects have a possible list of notify handlers.
+ * Device object also may have a GPE block.
+ */
+ case ACPI_TYPE_DEVICE:
+
+ if (object->device.gpe_block) {
+ (void)acpi_ev_delete_gpe_block(object->device.
+ gpe_block);
+ }
+
+ /*lint -fallthrough */
+
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+
+ /* Walk the notify handler list for this object */
+
+ handler_desc = object->common_notify.handler;
+ while (handler_desc) {
+ next_desc = handler_desc->address_space.next;
+ acpi_ut_remove_reference(handler_desc);
+ handler_desc = next_desc;
+ }
+ break;
+
+ case ACPI_TYPE_MUTEX:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "***** Mutex %p, OS Mutex %p\n",
+ object, object->mutex.os_mutex));
+
+ if (object == acpi_gbl_global_lock_mutex) {
+
+ /* Global Lock has extra semaphore */
+
+ (void)
+ acpi_os_delete_semaphore
+ (acpi_gbl_global_lock_semaphore);
+ acpi_gbl_global_lock_semaphore = NULL;
+
+ acpi_os_delete_mutex(object->mutex.os_mutex);
+ acpi_gbl_global_lock_mutex = NULL;
+ } else {
+ acpi_ex_unlink_mutex(object);
+ acpi_os_delete_mutex(object->mutex.os_mutex);
+ }
+ break;
+
+ case ACPI_TYPE_EVENT:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "***** Event %p, OS Semaphore %p\n",
+ object, object->event.os_semaphore));
+
+ (void)acpi_os_delete_semaphore(object->event.os_semaphore);
+ object->event.os_semaphore = NULL;
+ break;
+
+ case ACPI_TYPE_METHOD:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "***** Method %p\n", object));
+
+ /* Delete the method mutex if it exists */
+
+ if (object->method.mutex) {
+ acpi_os_delete_mutex(object->method.mutex->mutex.
+ os_mutex);
+ acpi_ut_delete_object_desc(object->method.mutex);
+ object->method.mutex = NULL;
+ }
+ break;
+
+ case ACPI_TYPE_REGION:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "***** Region %p\n", object));
+
+ second_desc = acpi_ns_get_secondary_object(object);
+ if (second_desc) {
+ /*
+ * Free the region_context if and only if the handler is one of the
+ * default handlers -- and therefore, we created the context object
+ * locally, it was not created by an external caller.
+ */
+ handler_desc = object->region.handler;
+ if (handler_desc) {
+ if (handler_desc->address_space.handler_flags &
+ ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
+
+ /* Deactivate region and free region context */
+
+ if (handler_desc->address_space.setup) {
+ (void)handler_desc->
+ address_space.setup(object,
+ ACPI_REGION_DEACTIVATE,
+ handler_desc->
+ address_space.
+ context,
+ &second_desc->
+ extra.
+ region_context);
+ }
+ }
+
+ acpi_ut_remove_reference(handler_desc);
+ }
+
+ /* Now we can free the Extra object */
+
+ acpi_ut_delete_object_desc(second_desc);
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "***** Buffer Field %p\n", object));
+
+ second_desc = acpi_ns_get_secondary_object(object);
+ if (second_desc) {
+ acpi_ut_delete_object_desc(second_desc);
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "***** Bank Field %p\n", object));
+
+ second_desc = acpi_ns_get_secondary_object(object);
+ if (second_desc) {
+ acpi_ut_delete_object_desc(second_desc);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ /* Free any allocated memory (pointer within the object) found above */
+
+ if (obj_pointer) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Deleting Object Subptr %p\n", obj_pointer));
+ ACPI_FREE(obj_pointer);
+ }
+
+ /* Now the object can be safely deleted */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n",
+ object, acpi_ut_get_object_type_name(object)));
+
+ acpi_ut_delete_object_desc(object);
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_internal_object_list
+ *
+ * PARAMETERS: obj_list - Pointer to the list to be deleted
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: This function deletes an internal object list, including both
+ * simple objects and package objects
+ *
+ ******************************************************************************/
+
+void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
+{
+ union acpi_operand_object **internal_obj;
+
+ ACPI_FUNCTION_TRACE(ut_delete_internal_object_list);
+
+ /* Walk the null-terminated internal list */
+
+ for (internal_obj = obj_list; *internal_obj; internal_obj++) {
+ acpi_ut_remove_reference(*internal_obj);
+ }
+
+ /* Free the combined parameter pointer list and object array */
+
+ ACPI_FREE(obj_list);
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_update_ref_count
+ *
+ * PARAMETERS: Object - Object whose ref count is to be updated
+ * Action - What to do
+ *
+ * RETURN: New ref count
+ *
+ * DESCRIPTION: Modify the ref count and return it.
+ *
+ ******************************************************************************/
+
+static void
+acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
+{
+ u16 count;
+ u16 new_count;
+
+ ACPI_FUNCTION_NAME(ut_update_ref_count);
+
+ if (!object) {
+ return;
+ }
+
+ count = object->common.reference_count;
+ new_count = count;
+
+ /*
+ * Perform the reference count action (increment, decrement, force delete)
+ */
+ switch (action) {
+ case REF_INCREMENT:
+
+ new_count++;
+ object->common.reference_count = new_count;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Obj %p Refs=%X, [Incremented]\n",
+ object, new_count));
+ break;
+
+ case REF_DECREMENT:
+
+ if (count < 1) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Obj %p Refs=%X, can't decrement! (Set to 0)\n",
+ object, new_count));
+
+ new_count = 0;
+ } else {
+ new_count--;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Obj %p Refs=%X, [Decremented]\n",
+ object, new_count));
+ }
+
+ if (ACPI_GET_OBJECT_TYPE(object) == ACPI_TYPE_METHOD) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Method Obj %p Refs=%X, [Decremented]\n",
+ object, new_count));
+ }
+
+ object->common.reference_count = new_count;
+ if (new_count == 0) {
+ acpi_ut_delete_internal_obj(object);
+ }
+ break;
+
+ case REF_FORCE_DELETE:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Obj %p Refs=%X, Force delete! (Set to 0)\n",
+ object, count));
+
+ new_count = 0;
+ object->common.reference_count = new_count;
+ acpi_ut_delete_internal_obj(object);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Unknown action (%X)", action));
+ break;
+ }
+
+ /*
+ * Sanity check the reference count, for debug purposes only.
+ * (A deleted object will have a huge reference count)
+ */
+ if (count > ACPI_MAX_REFERENCE_COUNT) {
+ ACPI_WARNING((AE_INFO,
+ "Large Reference Count (%X) in object %p", count,
+ object));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_update_object_reference
+ *
+ * PARAMETERS: Object - Increment ref count for this object
+ * and all sub-objects
+ * Action - Either REF_INCREMENT or REF_DECREMENT or
+ * REF_FORCE_DELETE
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Increment the object reference count
+ *
+ * Object references are incremented when:
+ * 1) An object is attached to a Node (namespace object)
+ * 2) An object is copied (all subobjects must be incremented)
+ *
+ * Object references are decremented when:
+ * 1) An object is detached from an Node
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
+{
+ acpi_status status = AE_OK;
+ union acpi_generic_state *state_list = NULL;
+ union acpi_operand_object *next_object = NULL;
+ union acpi_generic_state *state;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);
+
+ while (object) {
+
+ /* Make sure that this isn't a namespace handle */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Object %p is NS handle\n", object));
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * All sub-objects must have their reference count incremented also.
+ * Different object types have different subobjects.
+ */
+ switch (ACPI_GET_OBJECT_TYPE(object)) {
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_THERMAL:
+
+ /* Update the notify objects for these types (if present) */
+
+ acpi_ut_update_ref_count(object->common_notify.
+ system_notify, action);
+ acpi_ut_update_ref_count(object->common_notify.
+ device_notify, action);
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ /*
+ * We must update all the sub-objects of the package,
+ * each of whom may have their own sub-objects.
+ */
+ for (i = 0; i < object->package.count; i++) {
+ /*
+ * Push each element onto the stack for later processing.
+ * Note: There can be null elements within the package,
+ * these are simply ignored
+ */
+ status =
+ acpi_ut_create_update_state_and_push
+ (object->package.elements[i], action,
+ &state_list);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+
+ next_object = object->buffer_field.buffer_obj;
+ break;
+
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+ next_object = object->field.region_obj;
+ break;
+
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+ next_object = object->bank_field.bank_obj;
+ status =
+ acpi_ut_create_update_state_and_push(object->
+ bank_field.
+ region_obj,
+ action,
+ &state_list);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ next_object = object->index_field.index_obj;
+ status =
+ acpi_ut_create_update_state_and_push(object->
+ index_field.
+ data_obj,
+ action,
+ &state_list);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+ /*
+ * The target of an Index (a package, string, or buffer) or a named
+ * reference must track changes to the ref count of the index or
+ * target object.
+ */
+ if ((object->reference.class == ACPI_REFCLASS_INDEX) ||
+ (object->reference.class == ACPI_REFCLASS_NAME)) {
+ next_object = object->reference.object;
+ }
+ break;
+
+ case ACPI_TYPE_REGION:
+ default:
+ break; /* No subobjects for all other types */
+ }
+
+ /*
+ * Now we can update the count in the main object. This can only
+ * happen after we update the sub-objects in case this causes the
+ * main object to be deleted.
+ */
+ acpi_ut_update_ref_count(object, action);
+ object = NULL;
+
+ /* Move on to the next object to be updated */
+
+ if (next_object) {
+ object = next_object;
+ next_object = NULL;
+ } else if (state_list) {
+ state = acpi_ut_pop_generic_state(&state_list);
+ object = state->update.object;
+ acpi_ut_delete_generic_state(state);
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+
+ error_exit:
+
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not update object reference count"));
+
+ /* Free any stacked Update State objects */
+
+ while (state_list) {
+ state = acpi_ut_pop_generic_state(&state_list);
+ acpi_ut_delete_generic_state(state);
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_add_reference
+ *
+ * PARAMETERS: Object - Object whose reference count is to be
+ * incremented
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Add one reference to an ACPI object
+ *
+ ******************************************************************************/
+
+void acpi_ut_add_reference(union acpi_operand_object *object)
+{
+
+ ACPI_FUNCTION_TRACE_PTR(ut_add_reference, object);
+
+ /* Ensure that we have a valid object */
+
+ if (!acpi_ut_valid_internal_object(object)) {
+ return_VOID;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Obj %p Current Refs=%X [To Be Incremented]\n",
+ object, object->common.reference_count));
+
+ /* Increment the reference count */
+
+ (void)acpi_ut_update_object_reference(object, REF_INCREMENT);
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_remove_reference
+ *
+ * PARAMETERS: Object - Object whose ref count will be decremented
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Decrement the reference count of an ACPI internal object
+ *
+ ******************************************************************************/
+
+void acpi_ut_remove_reference(union acpi_operand_object *object)
+{
+
+ ACPI_FUNCTION_TRACE_PTR(ut_remove_reference, object);
+
+ /*
+ * Allow a NULL pointer to be passed in, just ignore it. This saves
+ * each caller from having to check. Also, ignore NS nodes.
+ *
+ */
+ if (!object ||
+ (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED)) {
+ return_VOID;
+ }
+
+ /* Ensure that we have a valid object */
+
+ if (!acpi_ut_valid_internal_object(object)) {
+ return_VOID;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "Obj %p Current Refs=%X [To Be Decremented]\n",
+ object, object->common.reference_count));
+
+ /*
+ * Decrement the reference count, and only actually delete the object
+ * if the reference count becomes 0. (Must also decrement the ref count
+ * of all subobjects!)
+ */
+ (void)acpi_ut_update_object_reference(object, REF_DECREMENT);
+ return_VOID;
+}
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c
new file mode 100644
index 0000000..352747e
--- /dev/null
+++ b/drivers/acpi/utilities/uteval.c
@@ -0,0 +1,751 @@
+/******************************************************************************
+ *
+ * Module Name: uteval - Object evaluation
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/acnamesp.h>
+#include <acpi/acinterp.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("uteval")
+
+/* Local prototypes */
+static void
+acpi_ut_copy_id_string(char *destination, char *source, acpi_size max_length);
+
+static acpi_status
+acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
+ struct acpi_compatible_id *one_cid);
+
+/*
+ * Strings supported by the _OSI predefined (internal) method.
+ */
+static char *acpi_interfaces_supported[] = {
+ /* Operating System Vendor Strings */
+
+ "Windows 2000", /* Windows 2000 */
+ "Windows 2001", /* Windows XP */
+ "Windows 2001 SP1", /* Windows XP SP1 */
+ "Windows 2001 SP2", /* Windows XP SP2 */
+ "Windows 2001.1", /* Windows Server 2003 */
+ "Windows 2001.1 SP1", /* Windows Server 2003 SP1 - Added 03/2006 */
+ "Windows 2006", /* Windows Vista - Added 03/2006 */
+
+ /* Feature Group Strings */
+
+ "Extended Address Space Descriptor"
+ /*
+ * All "optional" feature group strings (features that are implemented
+ * by the host) should be implemented in the host version of
+ * acpi_os_validate_interface and should not be added here.
+ */
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_osi_implementation
+ *
+ * PARAMETERS: walk_state - Current walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Implementation of the _OSI predefined control method
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
+{
+ acpi_status status;
+ union acpi_operand_object *string_desc;
+ union acpi_operand_object *return_desc;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ut_osi_implementation);
+
+ /* Validate the string input argument */
+
+ string_desc = walk_state->arguments[0].object;
+ if (!string_desc || (string_desc->common.type != ACPI_TYPE_STRING)) {
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ /* Create a return object */
+
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!return_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Default return value is SUPPORTED */
+
+ return_desc->integer.value = ACPI_UINT32_MAX;
+ walk_state->return_desc = return_desc;
+
+ /* Compare input string to static table of supported interfaces */
+
+ for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
+ if (!ACPI_STRCMP
+ (string_desc->string.pointer,
+ acpi_interfaces_supported[i])) {
+
+ /* The interface is supported */
+
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ }
+ }
+
+ /*
+ * Did not match the string in the static table, call the host OSL to
+ * check for a match with one of the optional strings (such as
+ * "Module Device", "3.0 Thermal Model", etc.)
+ */
+ status = acpi_os_validate_interface(string_desc->string.pointer);
+ if (ACPI_SUCCESS(status)) {
+
+ /* The interface is supported */
+
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ }
+
+ /* The interface is not supported */
+
+ return_desc->integer.value = 0;
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_osi_invalidate
+ *
+ * PARAMETERS: interface_string
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: invalidate string in pre-defiend _OSI string list
+ *
+ ******************************************************************************/
+
+acpi_status acpi_osi_invalidate(char *interface)
+{
+ int i;
+
+ for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
+ if (!ACPI_STRCMP(interface, acpi_interfaces_supported[i])) {
+ *acpi_interfaces_supported[i] = '\0';
+ return AE_OK;
+ }
+ }
+ return AE_NOT_FOUND;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_evaluate_object
+ *
+ * PARAMETERS: prefix_node - Starting node
+ * Path - Path to object from starting node
+ * expected_return_types - Bitmap of allowed return types
+ * return_desc - Where a return value is stored
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Evaluates a namespace object and verifies the type of the
+ * return object. Common code that simplifies accessing objects
+ * that have required return objects of fixed types.
+ *
+ * NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
+ char *path,
+ u32 expected_return_btypes,
+ union acpi_operand_object **return_desc)
+{
+ struct acpi_evaluate_info *info;
+ acpi_status status;
+ u32 return_btype;
+
+ ACPI_FUNCTION_TRACE(ut_evaluate_object);
+
+ /* Allocate the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->prefix_node = prefix_node;
+ info->pathname = path;
+
+ /* Evaluate the object/method */
+
+ status = acpi_ns_evaluate(info);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_NOT_FOUND) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[%4.4s.%s] was not found\n",
+ acpi_ut_get_node_name(prefix_node),
+ path));
+ } else {
+ ACPI_ERROR_METHOD("Method execution failed",
+ prefix_node, path, status);
+ }
+
+ goto cleanup;
+ }
+
+ /* Did we get a return object? */
+
+ if (!info->return_object) {
+ if (expected_return_btypes) {
+ ACPI_ERROR_METHOD("No object was returned from",
+ prefix_node, path, AE_NOT_EXIST);
+
+ status = AE_NOT_EXIST;
+ }
+
+ goto cleanup;
+ }
+
+ /* Map the return object type to the bitmapped type */
+
+ switch (ACPI_GET_OBJECT_TYPE(info->return_object)) {
+ case ACPI_TYPE_INTEGER:
+ return_btype = ACPI_BTYPE_INTEGER;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+ return_btype = ACPI_BTYPE_BUFFER;
+ break;
+
+ case ACPI_TYPE_STRING:
+ return_btype = ACPI_BTYPE_STRING;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ return_btype = ACPI_BTYPE_PACKAGE;
+ break;
+
+ default:
+ return_btype = 0;
+ break;
+ }
+
+ if ((acpi_gbl_enable_interpreter_slack) && (!expected_return_btypes)) {
+ /*
+ * We received a return object, but one was not expected. This can
+ * happen frequently if the "implicit return" feature is enabled.
+ * Just delete the return object and return AE_OK.
+ */
+ acpi_ut_remove_reference(info->return_object);
+ goto cleanup;
+ }
+
+ /* Is the return object one of the expected types? */
+
+ if (!(expected_return_btypes & return_btype)) {
+ ACPI_ERROR_METHOD("Return object type is incorrect",
+ prefix_node, path, AE_TYPE);
+
+ ACPI_ERROR((AE_INFO,
+ "Type returned from %s was incorrect: %s, expected Btypes: %X",
+ path,
+ acpi_ut_get_object_type_name(info->return_object),
+ expected_return_btypes));
+
+ /* On error exit, we must delete the return object */
+
+ acpi_ut_remove_reference(info->return_object);
+ status = AE_TYPE;
+ goto cleanup;
+ }
+
+ /* Object type is OK, return it */
+
+ *return_desc = info->return_object;
+
+ cleanup:
+ ACPI_FREE(info);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_evaluate_numeric_object
+ *
+ * PARAMETERS: object_name - Object name to be evaluated
+ * device_node - Node for the device
+ * Address - Where the value is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Evaluates a numeric namespace object for a selected device
+ * and stores result in *Address.
+ *
+ * NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_evaluate_numeric_object(char *object_name,
+ struct acpi_namespace_node *device_node,
+ acpi_integer * address)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_evaluate_numeric_object);
+
+ status = acpi_ut_evaluate_object(device_node, object_name,
+ ACPI_BTYPE_INTEGER, &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get the returned Integer */
+
+ *address = obj_desc->integer.value;
+
+ /* On exit, we must delete the return object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_copy_id_string
+ *
+ * PARAMETERS: Destination - Where to copy the string
+ * Source - Source string
+ * max_length - Length of the destination buffer
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Copies an ID string for the _HID, _CID, and _UID methods.
+ * Performs removal of a leading asterisk if present -- workaround
+ * for a known issue on a bunch of machines.
+ *
+ ******************************************************************************/
+
+static void
+acpi_ut_copy_id_string(char *destination, char *source, acpi_size max_length)
+{
+
+ /*
+ * Workaround for ID strings that have a leading asterisk. This construct
+ * is not allowed by the ACPI specification (ID strings must be
+ * alphanumeric), but enough existing machines have this embedded in their
+ * ID strings that the following code is useful.
+ */
+ if (*source == '*') {
+ source++;
+ }
+
+ /* Do the actual copy */
+
+ ACPI_STRNCPY(destination, source, max_length);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_execute_HID
+ *
+ * PARAMETERS: device_node - Node for the device
+ * Hid - Where the HID is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Executes the _HID control method that returns the hardware
+ * ID of the device.
+ *
+ * NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
+ struct acpica_device_id *hid)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_execute_HID);
+
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID,
+ ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
+ /* Convert the Numeric HID to string */
+
+ acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
+ hid->value);
+ } else {
+ /* Copy the String HID from the returned object */
+
+ acpi_ut_copy_id_string(hid->value, obj_desc->string.pointer,
+ sizeof(hid->value));
+ }
+
+ /* On exit, we must delete the return object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_translate_one_cid
+ *
+ * PARAMETERS: obj_desc - _CID object, must be integer or string
+ * one_cid - Where the CID string is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Return a numeric or string _CID value as a string.
+ * (Compatible ID)
+ *
+ * NOTE: Assumes a maximum _CID string length of
+ * ACPI_MAX_CID_LENGTH.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
+ struct acpi_compatible_id *one_cid)
+{
+
+ switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
+ case ACPI_TYPE_INTEGER:
+
+ /* Convert the Numeric CID to string */
+
+ acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
+ one_cid->value);
+ return (AE_OK);
+
+ case ACPI_TYPE_STRING:
+
+ if (obj_desc->string.length > ACPI_MAX_CID_LENGTH) {
+ return (AE_AML_STRING_LIMIT);
+ }
+
+ /* Copy the String CID from the returned object */
+
+ acpi_ut_copy_id_string(one_cid->value, obj_desc->string.pointer,
+ ACPI_MAX_CID_LENGTH);
+ return (AE_OK);
+
+ default:
+
+ return (AE_TYPE);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_execute_CID
+ *
+ * PARAMETERS: device_node - Node for the device
+ * return_cid_list - Where the CID list is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Executes the _CID control method that returns one or more
+ * compatible hardware IDs for the device.
+ *
+ * NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
+ struct acpi_compatible_id_list ** return_cid_list)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ u32 count;
+ u32 size;
+ struct acpi_compatible_id_list *cid_list;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ut_execute_CID);
+
+ /* Evaluate the _CID method for this device */
+
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__CID,
+ ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING
+ | ACPI_BTYPE_PACKAGE, &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get the number of _CIDs returned */
+
+ count = 1;
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
+ count = obj_desc->package.count;
+ }
+
+ /* Allocate a worst-case buffer for the _CIDs */
+
+ size = (((count - 1) * sizeof(struct acpi_compatible_id)) +
+ sizeof(struct acpi_compatible_id_list));
+
+ cid_list = ACPI_ALLOCATE_ZEROED((acpi_size) size);
+ if (!cid_list) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Init CID list */
+
+ cid_list->count = count;
+ cid_list->size = size;
+
+ /*
+ * A _CID can return either a single compatible ID or a package of
+ * compatible IDs. Each compatible ID can be one of the following:
+ * 1) Integer (32 bit compressed EISA ID) or
+ * 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss")
+ */
+
+ /* The _CID object can be either a single CID or a package (list) of CIDs */
+
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
+
+ /* Translate each package element */
+
+ for (i = 0; i < count; i++) {
+ status =
+ acpi_ut_translate_one_cid(obj_desc->package.
+ elements[i],
+ &cid_list->id[i]);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+ }
+ } else {
+ /* Only one CID, translate to a string */
+
+ status = acpi_ut_translate_one_cid(obj_desc, cid_list->id);
+ }
+
+ /* Cleanup on error */
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(cid_list);
+ } else {
+ *return_cid_list = cid_list;
+ }
+
+ /* On exit, we must delete the _CID return object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_execute_UID
+ *
+ * PARAMETERS: device_node - Node for the device
+ * Uid - Where the UID is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Executes the _UID control method that returns the hardware
+ * ID of the device.
+ *
+ * NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
+ struct acpica_device_id *uid)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_execute_UID);
+
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID,
+ ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
+ /* Convert the Numeric UID to string */
+
+ acpi_ex_unsigned_integer_to_string(obj_desc->integer.value,
+ uid->value);
+ } else {
+ /* Copy the String UID from the returned object */
+
+ acpi_ut_copy_id_string(uid->value, obj_desc->string.pointer,
+ sizeof(uid->value));
+ }
+
+ /* On exit, we must delete the return object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_execute_STA
+ *
+ * PARAMETERS: device_node - Node for the device
+ * Flags - Where the status flags are returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Executes _STA for selected device and stores results in
+ * *Flags.
+ *
+ * NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 * flags)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_execute_STA);
+
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__STA,
+ ACPI_BTYPE_INTEGER, &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ if (AE_NOT_FOUND == status) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "_STA on %4.4s was not found, assuming device is present\n",
+ acpi_ut_get_node_name(device_node)));
+
+ *flags = ACPI_UINT32_MAX;
+ status = AE_OK;
+ }
+
+ return_ACPI_STATUS(status);
+ }
+
+ /* Extract the status flags */
+
+ *flags = (u32) obj_desc->integer.value;
+
+ /* On exit, we must delete the return object */
+
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_execute_Sxds
+ *
+ * PARAMETERS: device_node - Node for the device
+ * Flags - Where the status flags are returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Executes _STA for selected device and stores results in
+ * *Flags.
+ *
+ * NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest)
+{
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ut_execute_sxds);
+
+ for (i = 0; i < 4; i++) {
+ highest[i] = 0xFF;
+ status = acpi_ut_evaluate_object(device_node,
+ ACPI_CAST_PTR(char,
+ acpi_gbl_highest_dstate_names
+ [i]),
+ ACPI_BTYPE_INTEGER, &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NOT_FOUND) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "%s on Device %4.4s, %s\n",
+ ACPI_CAST_PTR(char,
+ acpi_gbl_highest_dstate_names
+ [i]),
+ acpi_ut_get_node_name
+ (device_node),
+ acpi_format_exception
+ (status)));
+
+ return_ACPI_STATUS(status);
+ }
+ } else {
+ /* Extract the Dstate value */
+
+ highest[i] = (u8) obj_desc->integer.value;
+
+ /* Delete the return object */
+
+ acpi_ut_remove_reference(obj_desc);
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
new file mode 100644
index 0000000..17ed5ac
--- /dev/null
+++ b/drivers/acpi/utilities/utglobal.c
@@ -0,0 +1,819 @@
+/******************************************************************************
+ *
+ * Module Name: utglobal - Global variables for the ACPI subsystem
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 DEFINE_ACPI_GLOBALS
+
+#include <acpi/acpi.h>
+#include <acpi/acnamesp.h>
+
+ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
+#define _COMPONENT ACPI_UTILITIES
+ ACPI_MODULE_NAME("utglobal")
+
+/*******************************************************************************
+ *
+ * Static global variable initialization.
+ *
+ ******************************************************************************/
+/*
+ * We want the debug switches statically initialized so they
+ * are already set when the debugger is entered.
+ */
+/* Debug switch - level and trace mask */
+u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
+
+/* Debug switch - layer (component) mask */
+
+u32 acpi_dbg_layer = 0;
+u32 acpi_gbl_nesting_level = 0;
+
+/* Debugger globals */
+
+u8 acpi_gbl_db_terminate_threads = FALSE;
+u8 acpi_gbl_abort_method = FALSE;
+u8 acpi_gbl_method_executing = FALSE;
+
+/* System flags */
+
+u32 acpi_gbl_startup_flags = 0;
+
+/* System starts uninitialized */
+
+u8 acpi_gbl_shutdown = TRUE;
+
+const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
+ "\\_S0_",
+ "\\_S1_",
+ "\\_S2_",
+ "\\_S3_",
+ "\\_S4_",
+ "\\_S5_"
+};
+
+const char *acpi_gbl_highest_dstate_names[4] = {
+ "_S1D",
+ "_S2D",
+ "_S3D",
+ "_S4D"
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_format_exception
+ *
+ * PARAMETERS: Status - The acpi_status code to be formatted
+ *
+ * RETURN: A string containing the exception text. A valid pointer is
+ * always returned.
+ *
+ * DESCRIPTION: This function translates an ACPI exception into an ASCII string
+ * It is here instead of utxface.c so it is always present.
+ *
+ ******************************************************************************/
+
+const char *acpi_format_exception(acpi_status status)
+{
+ const char *exception = NULL;
+
+ ACPI_FUNCTION_ENTRY();
+
+ exception = acpi_ut_validate_exception(status);
+ if (!exception) {
+
+ /* Exception code was not recognized */
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown exception code: 0x%8.8X", status));
+
+ exception = "UNKNOWN_STATUS_CODE";
+ dump_stack();
+ }
+
+ return (ACPI_CAST_PTR(const char, exception));
+}
+
+ACPI_EXPORT_SYMBOL(acpi_format_exception)
+
+/*******************************************************************************
+ *
+ * Namespace globals
+ *
+ ******************************************************************************/
+/*
+ * Predefined ACPI Names (Built-in to the Interpreter)
+ *
+ * NOTES:
+ * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
+ * during the initialization sequence.
+ * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
+ * perform a Notify() operation on it.
+ */
+const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
+ {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
+ {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
+ {"_SB_", ACPI_TYPE_DEVICE, NULL},
+ {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
+ {"_TZ_", ACPI_TYPE_THERMAL, NULL},
+ {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},
+ {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
+ {"_GL_", ACPI_TYPE_MUTEX, (char *)1},
+
+#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
+ {"_OSI", ACPI_TYPE_METHOD, (char *)1},
+#endif
+
+ /* Table terminator */
+
+ {NULL, ACPI_TYPE_ANY, NULL}
+};
+
+/*
+ * Properties of the ACPI Object Types, both internal and external.
+ * The table is indexed by values of acpi_object_type
+ */
+const u8 acpi_gbl_ns_properties[] = {
+ ACPI_NS_NORMAL, /* 00 Any */
+ ACPI_NS_NORMAL, /* 01 Number */
+ ACPI_NS_NORMAL, /* 02 String */
+ ACPI_NS_NORMAL, /* 03 Buffer */
+ ACPI_NS_NORMAL, /* 04 Package */
+ ACPI_NS_NORMAL, /* 05 field_unit */
+ ACPI_NS_NEWSCOPE, /* 06 Device */
+ ACPI_NS_NORMAL, /* 07 Event */
+ ACPI_NS_NEWSCOPE, /* 08 Method */
+ ACPI_NS_NORMAL, /* 09 Mutex */
+ ACPI_NS_NORMAL, /* 10 Region */
+ ACPI_NS_NEWSCOPE, /* 11 Power */
+ ACPI_NS_NEWSCOPE, /* 12 Processor */
+ ACPI_NS_NEWSCOPE, /* 13 Thermal */
+ ACPI_NS_NORMAL, /* 14 buffer_field */
+ ACPI_NS_NORMAL, /* 15 ddb_handle */
+ ACPI_NS_NORMAL, /* 16 Debug Object */
+ ACPI_NS_NORMAL, /* 17 def_field */
+ ACPI_NS_NORMAL, /* 18 bank_field */
+ ACPI_NS_NORMAL, /* 19 index_field */
+ ACPI_NS_NORMAL, /* 20 Reference */
+ ACPI_NS_NORMAL, /* 21 Alias */
+ ACPI_NS_NORMAL, /* 22 method_alias */
+ ACPI_NS_NORMAL, /* 23 Notify */
+ ACPI_NS_NORMAL, /* 24 Address Handler */
+ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
+ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
+ ACPI_NS_NEWSCOPE, /* 27 Scope */
+ ACPI_NS_NORMAL, /* 28 Extra */
+ ACPI_NS_NORMAL, /* 29 Data */
+ ACPI_NS_NORMAL /* 30 Invalid */
+};
+
+/* Hex to ASCII conversion table */
+
+static const char acpi_gbl_hex_to_ascii[] = {
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_hex_to_ascii_char
+ *
+ * PARAMETERS: Integer - Contains the hex digit
+ * Position - bit position of the digit within the
+ * integer (multiple of 4)
+ *
+ * RETURN: The converted Ascii character
+ *
+ * DESCRIPTION: Convert a hex digit to an Ascii character
+ *
+ ******************************************************************************/
+
+char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position)
+{
+
+ return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
+}
+
+/******************************************************************************
+ *
+ * Event and Hardware globals
+ *
+ ******************************************************************************/
+
+struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
+ /* Name Parent Register Register Bit Position Register Bit Mask */
+
+ /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_TIMER_STATUS,
+ ACPI_BITMASK_TIMER_STATUS},
+ /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_BUS_MASTER_STATUS,
+ ACPI_BITMASK_BUS_MASTER_STATUS},
+ /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
+ ACPI_BITMASK_GLOBAL_LOCK_STATUS},
+ /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_POWER_BUTTON_STATUS,
+ ACPI_BITMASK_POWER_BUTTON_STATUS},
+ /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
+ ACPI_BITMASK_SLEEP_BUTTON_STATUS},
+ /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_RT_CLOCK_STATUS,
+ ACPI_BITMASK_RT_CLOCK_STATUS},
+ /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_WAKE_STATUS,
+ ACPI_BITMASK_WAKE_STATUS},
+ /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
+ ACPI_BITMASK_PCIEXP_WAKE_STATUS},
+
+ /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
+ ACPI_BITPOSITION_TIMER_ENABLE,
+ ACPI_BITMASK_TIMER_ENABLE},
+ /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
+ ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
+ ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
+ /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
+ ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
+ ACPI_BITMASK_POWER_BUTTON_ENABLE},
+ /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
+ ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
+ ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
+ /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
+ ACPI_BITPOSITION_RT_CLOCK_ENABLE,
+ ACPI_BITMASK_RT_CLOCK_ENABLE},
+ /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE,
+ ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
+ ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
+
+ /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
+ ACPI_BITPOSITION_SCI_ENABLE,
+ ACPI_BITMASK_SCI_ENABLE},
+ /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL,
+ ACPI_BITPOSITION_BUS_MASTER_RLD,
+ ACPI_BITMASK_BUS_MASTER_RLD},
+ /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL,
+ ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
+ ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
+ /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL,
+ ACPI_BITPOSITION_SLEEP_TYPE_X,
+ ACPI_BITMASK_SLEEP_TYPE_X},
+ /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL,
+ ACPI_BITPOSITION_SLEEP_TYPE_X,
+ ACPI_BITMASK_SLEEP_TYPE_X},
+ /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
+ ACPI_BITPOSITION_SLEEP_ENABLE,
+ ACPI_BITMASK_SLEEP_ENABLE},
+
+ /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL,
+ ACPI_BITPOSITION_ARB_DISABLE,
+ ACPI_BITMASK_ARB_DISABLE}
+};
+
+struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
+ /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS,
+ ACPI_BITREG_TIMER_ENABLE,
+ ACPI_BITMASK_TIMER_STATUS,
+ ACPI_BITMASK_TIMER_ENABLE},
+ /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
+ ACPI_BITREG_GLOBAL_LOCK_ENABLE,
+ ACPI_BITMASK_GLOBAL_LOCK_STATUS,
+ ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
+ /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS,
+ ACPI_BITREG_POWER_BUTTON_ENABLE,
+ ACPI_BITMASK_POWER_BUTTON_STATUS,
+ ACPI_BITMASK_POWER_BUTTON_ENABLE},
+ /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
+ ACPI_BITREG_SLEEP_BUTTON_ENABLE,
+ ACPI_BITMASK_SLEEP_BUTTON_STATUS,
+ ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
+ /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS,
+ ACPI_BITREG_RT_CLOCK_ENABLE,
+ ACPI_BITMASK_RT_CLOCK_STATUS,
+ ACPI_BITMASK_RT_CLOCK_ENABLE},
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_region_name
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a Space ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Region type decoding */
+
+const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
+ "SystemMemory",
+ "SystemIO",
+ "PCI_Config",
+ "EmbeddedControl",
+ "SMBus",
+ "CMOS",
+ "PCIBARTarget",
+ "DataTable"
+};
+
+char *acpi_ut_get_region_name(u8 space_id)
+{
+
+ if (space_id >= ACPI_USER_REGION_BEGIN) {
+ return ("UserDefinedRegion");
+ } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) {
+ return ("InvalidSpaceId");
+ }
+
+ return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id]));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_event_name
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a Event ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Event type decoding */
+
+static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = {
+ "PM_Timer",
+ "GlobalLock",
+ "PowerButton",
+ "SleepButton",
+ "RealTimeClock",
+};
+
+char *acpi_ut_get_event_name(u32 event_id)
+{
+
+ if (event_id > ACPI_EVENT_MAX) {
+ return ("InvalidEventID");
+ }
+
+ return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id]));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_type_name
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a Type ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/*
+ * Elements of acpi_gbl_ns_type_names below must match
+ * one-to-one with values of acpi_object_type
+ *
+ * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
+ * when stored in a table it really means that we have thus far seen no
+ * evidence to indicate what type is actually going to be stored for this entry.
+ */
+static const char acpi_gbl_bad_type[] = "UNDEFINED";
+
+/* Printable names of the ACPI object types */
+
+static const char *acpi_gbl_ns_type_names[] = {
+ /* 00 */ "Untyped",
+ /* 01 */ "Integer",
+ /* 02 */ "String",
+ /* 03 */ "Buffer",
+ /* 04 */ "Package",
+ /* 05 */ "FieldUnit",
+ /* 06 */ "Device",
+ /* 07 */ "Event",
+ /* 08 */ "Method",
+ /* 09 */ "Mutex",
+ /* 10 */ "Region",
+ /* 11 */ "Power",
+ /* 12 */ "Processor",
+ /* 13 */ "Thermal",
+ /* 14 */ "BufferField",
+ /* 15 */ "DdbHandle",
+ /* 16 */ "DebugObject",
+ /* 17 */ "RegionField",
+ /* 18 */ "BankField",
+ /* 19 */ "IndexField",
+ /* 20 */ "Reference",
+ /* 21 */ "Alias",
+ /* 22 */ "MethodAlias",
+ /* 23 */ "Notify",
+ /* 24 */ "AddrHandler",
+ /* 25 */ "ResourceDesc",
+ /* 26 */ "ResourceFld",
+ /* 27 */ "Scope",
+ /* 28 */ "Extra",
+ /* 29 */ "Data",
+ /* 30 */ "Invalid"
+};
+
+char *acpi_ut_get_type_name(acpi_object_type type)
+{
+
+ if (type > ACPI_TYPE_INVALID) {
+ return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));
+ }
+
+ return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type]));
+}
+
+char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc)
+{
+
+ if (!obj_desc) {
+ return ("[NULL Object Descriptor]");
+ }
+
+ return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_node_name
+ *
+ * PARAMETERS: Object - A namespace node
+ *
+ * RETURN: Pointer to a string
+ *
+ * DESCRIPTION: Validate the node and return the node's ACPI name.
+ *
+ ******************************************************************************/
+
+char *acpi_ut_get_node_name(void *object)
+{
+ struct acpi_namespace_node *node = (struct acpi_namespace_node *)object;
+
+ /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
+
+ if (!object) {
+ return ("NULL");
+ }
+
+ /* Check for Root node */
+
+ if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) {
+ return ("\"\\\" ");
+ }
+
+ /* Descriptor must be a namespace node */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
+ return ("####");
+ }
+
+ /* Name must be a valid ACPI name */
+
+ if (!acpi_ut_valid_acpi_name(node->name.integer)) {
+ node->name.integer = acpi_ut_repair_name(node->name.ascii);
+ }
+
+ /* Return the name */
+
+ return (node->name.ascii);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_descriptor_name
+ *
+ * PARAMETERS: Object - An ACPI object
+ *
+ * RETURN: Pointer to a string
+ *
+ * DESCRIPTION: Validate object and return the descriptor type
+ *
+ ******************************************************************************/
+
+/* Printable names of object descriptor types */
+
+static const char *acpi_gbl_desc_type_names[] = {
+ /* 00 */ "Invalid",
+ /* 01 */ "Cached",
+ /* 02 */ "State-Generic",
+ /* 03 */ "State-Update",
+ /* 04 */ "State-Package",
+ /* 05 */ "State-Control",
+ /* 06 */ "State-RootParseScope",
+ /* 07 */ "State-ParseScope",
+ /* 08 */ "State-WalkScope",
+ /* 09 */ "State-Result",
+ /* 10 */ "State-Notify",
+ /* 11 */ "State-Thread",
+ /* 12 */ "Walk",
+ /* 13 */ "Parser",
+ /* 14 */ "Operand",
+ /* 15 */ "Node"
+};
+
+char *acpi_ut_get_descriptor_name(void *object)
+{
+
+ if (!object) {
+ return ("NULL OBJECT");
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) {
+ return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));
+ }
+
+ return (ACPI_CAST_PTR(char,
+ acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE
+ (object)]));
+
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_reference_name
+ *
+ * PARAMETERS: Object - An ACPI reference object
+ *
+ * RETURN: Pointer to a string
+ *
+ * DESCRIPTION: Decode a reference object sub-type to a string.
+ *
+ ******************************************************************************/
+
+/* Printable names of reference object sub-types */
+
+static const char *acpi_gbl_ref_class_names[] = {
+ /* 00 */ "Local",
+ /* 01 */ "Argument",
+ /* 02 */ "RefOf",
+ /* 03 */ "Index",
+ /* 04 */ "DdbHandle",
+ /* 05 */ "Named Object",
+ /* 06 */ "Debug"
+};
+
+const char *acpi_ut_get_reference_name(union acpi_operand_object *object)
+{
+ if (!object)
+ return "NULL Object";
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND)
+ return "Not an Operand object";
+
+ if (object->common.type != ACPI_TYPE_LOCAL_REFERENCE)
+ return "Not a Reference object";
+
+ if (object->reference.class > ACPI_REFCLASS_MAX)
+ return "Unknown Reference class";
+
+ return acpi_gbl_ref_class_names[object->reference.class];
+}
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+/*
+ * Strings and procedures used for debug only
+ */
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_mutex_name
+ *
+ * PARAMETERS: mutex_id - The predefined ID for this mutex.
+ *
+ * RETURN: String containing the name of the mutex. Always returns a valid
+ * pointer.
+ *
+ * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+char *acpi_ut_get_mutex_name(u32 mutex_id)
+{
+
+ if (mutex_id > ACPI_MAX_MUTEX) {
+ return ("Invalid Mutex ID");
+ }
+
+ return (acpi_gbl_mutex_names[mutex_id]);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_notify_name
+ *
+ * PARAMETERS: notify_value - Value from the Notify() request
+ *
+ * RETURN: String corresponding to the Notify Value.
+ *
+ * DESCRIPTION: Translate a Notify Value to a notify namestring.
+ *
+ ******************************************************************************/
+
+/* Names for Notify() values, used for debug output */
+
+static const char *acpi_gbl_notify_value_names[] = {
+ "Bus Check",
+ "Device Check",
+ "Device Wake",
+ "Eject Request",
+ "Device Check Light",
+ "Frequency Mismatch",
+ "Bus Mode Mismatch",
+ "Power Fault",
+ "Capabilities Check",
+ "Device PLD Check",
+ "Reserved",
+ "System Locality Update"
+};
+
+const char *acpi_ut_get_notify_name(u32 notify_value)
+{
+
+ if (notify_value <= ACPI_NOTIFY_MAX) {
+ return (acpi_gbl_notify_value_names[notify_value]);
+ } else if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
+ return ("Reserved");
+ } else { /* Greater or equal to 0x80 */
+
+ return ("**Device Specific**");
+ }
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_object_type
+ *
+ * PARAMETERS: Type - Object type to be validated
+ *
+ * RETURN: TRUE if valid object type, FALSE otherwise
+ *
+ * DESCRIPTION: Validate an object type
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_object_type(acpi_object_type type)
+{
+
+ if (type > ACPI_TYPE_LOCAL_MAX) {
+
+ /* Note: Assumes all TYPEs are contiguous (external/local) */
+
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_init_globals
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Init library globals. All globals that require specific
+ * initialization should be initialized here!
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_init_globals(void)
+{
+ acpi_status status;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ut_init_globals);
+
+ /* Create all memory caches */
+
+ status = acpi_ut_create_caches();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Mutex locked flags */
+
+ for (i = 0; i < ACPI_NUM_MUTEX; i++) {
+ acpi_gbl_mutex_info[i].mutex = NULL;
+ acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+ acpi_gbl_mutex_info[i].use_count = 0;
+ }
+
+ for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {
+ acpi_gbl_owner_id_mask[i] = 0;
+ }
+ acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */
+
+ /* GPE support */
+
+ acpi_gbl_gpe_xrupt_list_head = NULL;
+ acpi_gbl_gpe_fadt_blocks[0] = NULL;
+ acpi_gbl_gpe_fadt_blocks[1] = NULL;
+
+ /* Global handlers */
+
+ acpi_gbl_system_notify.handler = NULL;
+ acpi_gbl_device_notify.handler = NULL;
+ acpi_gbl_exception_handler = NULL;
+ acpi_gbl_init_handler = NULL;
+ acpi_gbl_table_handler = NULL;
+
+ /* Global Lock support */
+
+ acpi_gbl_global_lock_semaphore = NULL;
+ acpi_gbl_global_lock_mutex = NULL;
+ acpi_gbl_global_lock_acquired = FALSE;
+ acpi_gbl_global_lock_handle = 0;
+
+ /* Miscellaneous variables */
+
+ acpi_gbl_cm_single_step = FALSE;
+ acpi_gbl_db_terminate_threads = FALSE;
+ acpi_gbl_shutdown = FALSE;
+ acpi_gbl_ns_lookup_count = 0;
+ acpi_gbl_ps_find_count = 0;
+ acpi_gbl_acpi_hardware_present = TRUE;
+ acpi_gbl_last_owner_id_index = 0;
+ acpi_gbl_next_owner_id_offset = 0;
+ acpi_gbl_trace_method_name = 0;
+ acpi_gbl_trace_dbg_level = 0;
+ acpi_gbl_trace_dbg_layer = 0;
+ acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
+ acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
+
+ /* Hardware oriented */
+
+ acpi_gbl_events_initialized = FALSE;
+ acpi_gbl_system_awake_and_running = TRUE;
+
+ /* Namespace */
+
+ acpi_gbl_root_node = NULL;
+ acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
+ acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
+ acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
+ acpi_gbl_root_node_struct.child = NULL;
+ acpi_gbl_root_node_struct.peer = NULL;
+ acpi_gbl_root_node_struct.object = NULL;
+ acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;
+
+#ifdef ACPI_DEBUG_OUTPUT
+ acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
+#endif
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+ acpi_gbl_display_final_mem_stats = FALSE;
+#endif
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_dbg_level)
+ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
new file mode 100644
index 0000000..cae515f
--- /dev/null
+++ b/drivers/acpi/utilities/utinit.c
@@ -0,0 +1,151 @@
+/******************************************************************************
+ *
+ * Module Name: utinit - Common ACPI subsystem initialization
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/acnamesp.h>
+#include <acpi/acevents.h>
+#include <acpi/actables.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utinit")
+
+/* Local prototypes */
+static void acpi_ut_terminate(void);
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ut_terminate
+ *
+ * PARAMETERS: none
+ *
+ * RETURN: none
+ *
+ * DESCRIPTION: Free global memory
+ *
+ ******************************************************************************/
+
+static void acpi_ut_terminate(void)
+{
+ struct acpi_gpe_block_info *gpe_block;
+ struct acpi_gpe_block_info *next_gpe_block;
+ struct acpi_gpe_xrupt_info *gpe_xrupt_info;
+ struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
+
+ ACPI_FUNCTION_TRACE(ut_terminate);
+
+ /* Free global GPE blocks and related info structures */
+
+ gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
+ while (gpe_xrupt_info) {
+ gpe_block = gpe_xrupt_info->gpe_block_list_head;
+ while (gpe_block) {
+ next_gpe_block = gpe_block->next;
+ ACPI_FREE(gpe_block->event_info);
+ ACPI_FREE(gpe_block->register_info);
+ ACPI_FREE(gpe_block);
+
+ gpe_block = next_gpe_block;
+ }
+ next_gpe_xrupt_info = gpe_xrupt_info->next;
+ ACPI_FREE(gpe_xrupt_info);
+ gpe_xrupt_info = next_gpe_xrupt_info;
+ }
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_subsystem_shutdown
+ *
+ * PARAMETERS: none
+ *
+ * RETURN: none
+ *
+ * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex
+ * objects here -- because the AML debugger may be still running.
+ *
+ ******************************************************************************/
+
+void acpi_ut_subsystem_shutdown(void)
+{
+
+ ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
+
+ /* Just exit if subsystem is already shutdown */
+
+ if (acpi_gbl_shutdown) {
+ ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated"));
+ return_VOID;
+ }
+
+ /* Subsystem appears active, go ahead and shut it down */
+
+ acpi_gbl_shutdown = TRUE;
+ acpi_gbl_startup_flags = 0;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
+
+#ifndef ACPI_ASL_COMPILER
+
+ /* Close the acpi_event Handling */
+
+ acpi_ev_terminate();
+#endif
+
+ /* Close the Namespace */
+
+ acpi_ns_terminate();
+
+ /* Delete the ACPI tables */
+
+ acpi_tb_terminate();
+
+ /* Close the globals */
+
+ acpi_ut_terminate();
+
+ /* Purge the local caches */
+
+ (void)acpi_ut_delete_caches();
+ return_VOID;
+}
diff --git a/drivers/acpi/utilities/utmath.c b/drivers/acpi/utilities/utmath.c
new file mode 100644
index 0000000..c927324
--- /dev/null
+++ b/drivers/acpi/utilities/utmath.c
@@ -0,0 +1,311 @@
+/*******************************************************************************
+ *
+ * Module Name: utmath - Integer math support routines
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utmath")
+
+/*
+ * Support for double-precision integer divide. This code is included here
+ * in order to support kernel environments where the double-precision math
+ * library is not available.
+ */
+#ifndef ACPI_USE_NATIVE_DIVIDE
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_divide
+ *
+ * PARAMETERS: Dividend - 64-bit dividend
+ * Divisor - 32-bit divisor
+ * out_quotient - Pointer to where the quotient is returned
+ * out_remainder - Pointer to where the remainder is returned
+ *
+ * RETURN: Status (Checks for divide-by-zero)
+ *
+ * DESCRIPTION: Perform a short (maximum 64 bits divided by 32 bits)
+ * divide and modulo. The result is a 64-bit quotient and a
+ * 32-bit remainder.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_short_divide(acpi_integer dividend,
+ u32 divisor,
+ acpi_integer * out_quotient, u32 * out_remainder)
+{
+ union uint64_overlay dividend_ovl;
+ union uint64_overlay quotient;
+ u32 remainder32;
+
+ ACPI_FUNCTION_TRACE(ut_short_divide);
+
+ /* Always check for a zero divisor */
+
+ if (divisor == 0) {
+ ACPI_ERROR((AE_INFO, "Divide by zero"));
+ return_ACPI_STATUS(AE_AML_DIVIDE_BY_ZERO);
+ }
+
+ dividend_ovl.full = dividend;
+
+ /*
+ * The quotient is 64 bits, the remainder is always 32 bits,
+ * and is generated by the second divide.
+ */
+ ACPI_DIV_64_BY_32(0, dividend_ovl.part.hi, divisor,
+ quotient.part.hi, remainder32);
+ ACPI_DIV_64_BY_32(remainder32, dividend_ovl.part.lo, divisor,
+ quotient.part.lo, remainder32);
+
+ /* Return only what was requested */
+
+ if (out_quotient) {
+ *out_quotient = quotient.full;
+ }
+ if (out_remainder) {
+ *out_remainder = remainder32;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_divide
+ *
+ * PARAMETERS: in_dividend - Dividend
+ * in_divisor - Divisor
+ * out_quotient - Pointer to where the quotient is returned
+ * out_remainder - Pointer to where the remainder is returned
+ *
+ * RETURN: Status (Checks for divide-by-zero)
+ *
+ * DESCRIPTION: Perform a divide and modulo.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_divide(acpi_integer in_dividend,
+ acpi_integer in_divisor,
+ acpi_integer * out_quotient, acpi_integer * out_remainder)
+{
+ union uint64_overlay dividend;
+ union uint64_overlay divisor;
+ union uint64_overlay quotient;
+ union uint64_overlay remainder;
+ union uint64_overlay normalized_dividend;
+ union uint64_overlay normalized_divisor;
+ u32 partial1;
+ union uint64_overlay partial2;
+ union uint64_overlay partial3;
+
+ ACPI_FUNCTION_TRACE(ut_divide);
+
+ /* Always check for a zero divisor */
+
+ if (in_divisor == 0) {
+ ACPI_ERROR((AE_INFO, "Divide by zero"));
+ return_ACPI_STATUS(AE_AML_DIVIDE_BY_ZERO);
+ }
+
+ divisor.full = in_divisor;
+ dividend.full = in_dividend;
+ if (divisor.part.hi == 0) {
+ /*
+ * 1) Simplest case is where the divisor is 32 bits, we can
+ * just do two divides
+ */
+ remainder.part.hi = 0;
+
+ /*
+ * The quotient is 64 bits, the remainder is always 32 bits,
+ * and is generated by the second divide.
+ */
+ ACPI_DIV_64_BY_32(0, dividend.part.hi, divisor.part.lo,
+ quotient.part.hi, partial1);
+ ACPI_DIV_64_BY_32(partial1, dividend.part.lo, divisor.part.lo,
+ quotient.part.lo, remainder.part.lo);
+ }
+
+ else {
+ /*
+ * 2) The general case where the divisor is a full 64 bits
+ * is more difficult
+ */
+ quotient.part.hi = 0;
+ normalized_dividend = dividend;
+ normalized_divisor = divisor;
+
+ /* Normalize the operands (shift until the divisor is < 32 bits) */
+
+ do {
+ ACPI_SHIFT_RIGHT_64(normalized_divisor.part.hi,
+ normalized_divisor.part.lo);
+ ACPI_SHIFT_RIGHT_64(normalized_dividend.part.hi,
+ normalized_dividend.part.lo);
+
+ } while (normalized_divisor.part.hi != 0);
+
+ /* Partial divide */
+
+ ACPI_DIV_64_BY_32(normalized_dividend.part.hi,
+ normalized_dividend.part.lo,
+ normalized_divisor.part.lo,
+ quotient.part.lo, partial1);
+
+ /*
+ * The quotient is always 32 bits, and simply requires adjustment.
+ * The 64-bit remainder must be generated.
+ */
+ partial1 = quotient.part.lo * divisor.part.hi;
+ partial2.full =
+ (acpi_integer) quotient.part.lo * divisor.part.lo;
+ partial3.full = (acpi_integer) partial2.part.hi + partial1;
+
+ remainder.part.hi = partial3.part.lo;
+ remainder.part.lo = partial2.part.lo;
+
+ if (partial3.part.hi == 0) {
+ if (partial3.part.lo >= dividend.part.hi) {
+ if (partial3.part.lo == dividend.part.hi) {
+ if (partial2.part.lo > dividend.part.lo) {
+ quotient.part.lo--;
+ remainder.full -= divisor.full;
+ }
+ } else {
+ quotient.part.lo--;
+ remainder.full -= divisor.full;
+ }
+ }
+
+ remainder.full = remainder.full - dividend.full;
+ remainder.part.hi = (u32) - ((s32) remainder.part.hi);
+ remainder.part.lo = (u32) - ((s32) remainder.part.lo);
+
+ if (remainder.part.lo) {
+ remainder.part.hi--;
+ }
+ }
+ }
+
+ /* Return only what was requested */
+
+ if (out_quotient) {
+ *out_quotient = quotient.full;
+ }
+ if (out_remainder) {
+ *out_remainder = remainder.full;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+#else
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_divide, acpi_ut_divide
+ *
+ * PARAMETERS: See function headers above
+ *
+ * DESCRIPTION: Native versions of the ut_divide functions. Use these if either
+ * 1) The target is a 64-bit platform and therefore 64-bit
+ * integer math is supported directly by the machine.
+ * 2) The target is a 32-bit or 16-bit platform, and the
+ * double-precision integer math library is available to
+ * perform the divide.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_short_divide(acpi_integer in_dividend,
+ u32 divisor,
+ acpi_integer * out_quotient, u32 * out_remainder)
+{
+
+ ACPI_FUNCTION_TRACE(ut_short_divide);
+
+ /* Always check for a zero divisor */
+
+ if (divisor == 0) {
+ ACPI_ERROR((AE_INFO, "Divide by zero"));
+ return_ACPI_STATUS(AE_AML_DIVIDE_BY_ZERO);
+ }
+
+ /* Return only what was requested */
+
+ if (out_quotient) {
+ *out_quotient = in_dividend / divisor;
+ }
+ if (out_remainder) {
+ *out_remainder = (u32) (in_dividend % divisor);
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+acpi_status
+acpi_ut_divide(acpi_integer in_dividend,
+ acpi_integer in_divisor,
+ acpi_integer * out_quotient, acpi_integer * out_remainder)
+{
+ ACPI_FUNCTION_TRACE(ut_divide);
+
+ /* Always check for a zero divisor */
+
+ if (in_divisor == 0) {
+ ACPI_ERROR((AE_INFO, "Divide by zero"));
+ return_ACPI_STATUS(AE_AML_DIVIDE_BY_ZERO);
+ }
+
+ /* Return only what was requested */
+
+ if (out_quotient) {
+ *out_quotient = in_dividend / in_divisor;
+ }
+ if (out_remainder) {
+ *out_remainder = in_dividend % in_divisor;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+#endif
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
new file mode 100644
index 0000000..9089a15
--- /dev/null
+++ b/drivers/acpi/utilities/utmisc.c
@@ -0,0 +1,1090 @@
+/*******************************************************************************
+ *
+ * Module Name: utmisc - common utility procedures
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <linux/module.h>
+
+#include <acpi/acpi.h>
+#include <acpi/acnamesp.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utmisc")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_validate_exception
+ *
+ * PARAMETERS: Status - The acpi_status code to be formatted
+ *
+ * RETURN: A string containing the exception text. NULL if exception is
+ * not valid.
+ *
+ * DESCRIPTION: This function validates and translates an ACPI exception into
+ * an ASCII string.
+ *
+ ******************************************************************************/
+const char *acpi_ut_validate_exception(acpi_status status)
+{
+ u32 sub_status;
+ const char *exception = NULL;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Status is composed of two parts, a "type" and an actual code
+ */
+ sub_status = (status & ~AE_CODE_MASK);
+
+ switch (status & AE_CODE_MASK) {
+ case AE_CODE_ENVIRONMENTAL:
+
+ if (sub_status <= AE_CODE_ENV_MAX) {
+ exception = acpi_gbl_exception_names_env[sub_status];
+ }
+ break;
+
+ case AE_CODE_PROGRAMMER:
+
+ if (sub_status <= AE_CODE_PGM_MAX) {
+ exception = acpi_gbl_exception_names_pgm[sub_status];
+ }
+ break;
+
+ case AE_CODE_ACPI_TABLES:
+
+ if (sub_status <= AE_CODE_TBL_MAX) {
+ exception = acpi_gbl_exception_names_tbl[sub_status];
+ }
+ break;
+
+ case AE_CODE_AML:
+
+ if (sub_status <= AE_CODE_AML_MAX) {
+ exception = acpi_gbl_exception_names_aml[sub_status];
+ }
+ break;
+
+ case AE_CODE_CONTROL:
+
+ if (sub_status <= AE_CODE_CTRL_MAX) {
+ exception = acpi_gbl_exception_names_ctrl[sub_status];
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return (ACPI_CAST_PTR(const char, exception));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_is_aml_table
+ *
+ * PARAMETERS: Table - An ACPI table
+ *
+ * RETURN: TRUE if table contains executable AML; FALSE otherwise
+ *
+ * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
+ * Currently, these are DSDT,SSDT,PSDT. All other table types are
+ * data tables that do not contain AML code.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
+{
+
+ /* These are the only tables that contain executable AML */
+
+ if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) ||
+ ACPI_COMPARE_NAME(table->signature, ACPI_SIG_PSDT) ||
+ ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_allocate_owner_id
+ *
+ * PARAMETERS: owner_id - Where the new owner ID is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
+ * track objects created by the table or method, to be deleted
+ * when the method exits or the table is unloaded.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
+{
+ u32 i;
+ u32 j;
+ u32 k;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_allocate_owner_id);
+
+ /* Guard against multiple allocations of ID to the same location */
+
+ if (*owner_id) {
+ ACPI_ERROR((AE_INFO, "Owner ID [%2.2X] already exists",
+ *owner_id));
+ return_ACPI_STATUS(AE_ALREADY_EXISTS);
+ }
+
+ /* Mutex for the global ID mask */
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Find a free owner ID, cycle through all possible IDs on repeated
+ * allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have
+ * to be scanned twice.
+ */
+ for (i = 0, j = acpi_gbl_last_owner_id_index;
+ i < (ACPI_NUM_OWNERID_MASKS + 1); i++, j++) {
+ if (j >= ACPI_NUM_OWNERID_MASKS) {
+ j = 0; /* Wraparound to start of mask array */
+ }
+
+ for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) {
+ if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) {
+
+ /* There are no free IDs in this mask */
+
+ break;
+ }
+
+ if (!(acpi_gbl_owner_id_mask[j] & (1 << k))) {
+ /*
+ * Found a free ID. The actual ID is the bit index plus one,
+ * making zero an invalid Owner ID. Save this as the last ID
+ * allocated and update the global ID mask.
+ */
+ acpi_gbl_owner_id_mask[j] |= (1 << k);
+
+ acpi_gbl_last_owner_id_index = (u8) j;
+ acpi_gbl_next_owner_id_offset = (u8) (k + 1);
+
+ /*
+ * Construct encoded ID from the index and bit position
+ *
+ * Note: Last [j].k (bit 255) is never used and is marked
+ * permanently allocated (prevents +1 overflow)
+ */
+ *owner_id =
+ (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
+ "Allocated OwnerId: %2.2X\n",
+ (unsigned int)*owner_id));
+ goto exit;
+ }
+ }
+
+ acpi_gbl_next_owner_id_offset = 0;
+ }
+
+ /*
+ * All owner_ids have been allocated. This typically should
+ * not happen since the IDs are reused after deallocation. The IDs are
+ * allocated upon table load (one per table) and method execution, and
+ * they are released when a table is unloaded or a method completes
+ * execution.
+ *
+ * If this error happens, there may be very deep nesting of invoked control
+ * methods, or there may be a bug where the IDs are not released.
+ */
+ status = AE_OWNER_ID_LIMIT;
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
+
+ exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_release_owner_id
+ *
+ * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_iD
+ *
+ * RETURN: None. No error is returned because we are either exiting a
+ * control method or unloading a table. Either way, we would
+ * ignore any error anyway.
+ *
+ * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255
+ *
+ ******************************************************************************/
+
+void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
+{
+ acpi_owner_id owner_id = *owner_id_ptr;
+ acpi_status status;
+ u32 index;
+ u32 bit;
+
+ ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id);
+
+ /* Always clear the input owner_id (zero is an invalid ID) */
+
+ *owner_id_ptr = 0;
+
+ /* Zero is not a valid owner_iD */
+
+ if (owner_id == 0) {
+ ACPI_ERROR((AE_INFO, "Invalid OwnerId: %2.2X", owner_id));
+ return_VOID;
+ }
+
+ /* Mutex for the global ID mask */
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
+ }
+
+ /* Normalize the ID to zero */
+
+ owner_id--;
+
+ /* Decode ID to index/offset pair */
+
+ index = ACPI_DIV_32(owner_id);
+ bit = 1 << ACPI_MOD_32(owner_id);
+
+ /* Free the owner ID only if it is valid */
+
+ if (acpi_gbl_owner_id_mask[index] & bit) {
+ acpi_gbl_owner_id_mask[index] ^= bit;
+ } else {
+ ACPI_ERROR((AE_INFO,
+ "Release of non-allocated OwnerId: %2.2X",
+ owner_id + 1));
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strupr (strupr)
+ *
+ * PARAMETERS: src_string - The source string to convert
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Convert string to uppercase
+ *
+ * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
+ *
+ ******************************************************************************/
+
+void acpi_ut_strupr(char *src_string)
+{
+ char *string;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!src_string) {
+ return;
+ }
+
+ /* Walk entire string, uppercasing the letters */
+
+ for (string = src_string; *string; string++) {
+ *string = (char)ACPI_TOUPPER(*string);
+ }
+
+ return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_print_string
+ *
+ * PARAMETERS: String - Null terminated ASCII string
+ * max_length - Maximum output length
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
+ * sequences.
+ *
+ ******************************************************************************/
+
+void acpi_ut_print_string(char *string, u8 max_length)
+{
+ u32 i;
+
+ if (!string) {
+ acpi_os_printf("<\"NULL STRING PTR\">");
+ return;
+ }
+
+ acpi_os_printf("\"");
+ for (i = 0; string[i] && (i < max_length); i++) {
+
+ /* Escape sequences */
+
+ switch (string[i]) {
+ case 0x07:
+ acpi_os_printf("\\a"); /* BELL */
+ break;
+
+ case 0x08:
+ acpi_os_printf("\\b"); /* BACKSPACE */
+ break;
+
+ case 0x0C:
+ acpi_os_printf("\\f"); /* FORMFEED */
+ break;
+
+ case 0x0A:
+ acpi_os_printf("\\n"); /* LINEFEED */
+ break;
+
+ case 0x0D:
+ acpi_os_printf("\\r"); /* CARRIAGE RETURN */
+ break;
+
+ case 0x09:
+ acpi_os_printf("\\t"); /* HORIZONTAL TAB */
+ break;
+
+ case 0x0B:
+ acpi_os_printf("\\v"); /* VERTICAL TAB */
+ break;
+
+ case '\'': /* Single Quote */
+ case '\"': /* Double Quote */
+ case '\\': /* Backslash */
+ acpi_os_printf("\\%c", (int)string[i]);
+ break;
+
+ default:
+
+ /* Check for printable character or hex escape */
+
+ if (ACPI_IS_PRINT(string[i])) {
+ /* This is a normal character */
+
+ acpi_os_printf("%c", (int)string[i]);
+ } else {
+ /* All others will be Hex escapes */
+
+ acpi_os_printf("\\x%2.2X", (s32) string[i]);
+ }
+ break;
+ }
+ }
+ acpi_os_printf("\"");
+
+ if (i == max_length && string[i]) {
+ acpi_os_printf("...");
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dword_byte_swap
+ *
+ * PARAMETERS: Value - Value to be converted
+ *
+ * RETURN: u32 integer with bytes swapped
+ *
+ * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
+ *
+ ******************************************************************************/
+
+u32 acpi_ut_dword_byte_swap(u32 value)
+{
+ union {
+ u32 value;
+ u8 bytes[4];
+ } out;
+ union {
+ u32 value;
+ u8 bytes[4];
+ } in;
+
+ ACPI_FUNCTION_ENTRY();
+
+ in.value = value;
+
+ out.bytes[0] = in.bytes[3];
+ out.bytes[1] = in.bytes[2];
+ out.bytes[2] = in.bytes[1];
+ out.bytes[3] = in.bytes[0];
+
+ return (out.value);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_set_integer_width
+ *
+ * PARAMETERS: Revision From DSDT header
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Set the global integer bit width based upon the revision
+ * of the DSDT. For Revision 1 and 0, Integers are 32 bits.
+ * For Revision 2 and above, Integers are 64 bits. Yes, this
+ * makes a difference.
+ *
+ ******************************************************************************/
+
+void acpi_ut_set_integer_width(u8 revision)
+{
+
+ if (revision < 2) {
+
+ /* 32-bit case */
+
+ acpi_gbl_integer_bit_width = 32;
+ acpi_gbl_integer_nybble_width = 8;
+ acpi_gbl_integer_byte_width = 4;
+ } else {
+ /* 64-bit case (ACPI 2.0+) */
+
+ acpi_gbl_integer_bit_width = 64;
+ acpi_gbl_integer_nybble_width = 16;
+ acpi_gbl_integer_byte_width = 8;
+ }
+}
+
+#ifdef ACPI_DEBUG_OUTPUT
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_display_init_pathname
+ *
+ * PARAMETERS: Type - Object type of the node
+ * obj_handle - Handle whose pathname will be displayed
+ * Path - Additional path string to be appended.
+ * (NULL if no extra path)
+ *
+ * RETURN: acpi_status
+ *
+ * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_display_init_pathname(u8 type,
+ struct acpi_namespace_node *obj_handle,
+ char *path)
+{
+ acpi_status status;
+ struct acpi_buffer buffer;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Only print the path if the appropriate debug level is enabled */
+
+ if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
+ return;
+ }
+
+ /* Get the full pathname to the node */
+
+ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ status = acpi_ns_handle_to_pathname(obj_handle, &buffer);
+ if (ACPI_FAILURE(status)) {
+ return;
+ }
+
+ /* Print what we're doing */
+
+ switch (type) {
+ case ACPI_TYPE_METHOD:
+ acpi_os_printf("Executing ");
+ break;
+
+ default:
+ acpi_os_printf("Initializing ");
+ break;
+ }
+
+ /* Print the object type and pathname */
+
+ acpi_os_printf("%-12s %s",
+ acpi_ut_get_type_name(type), (char *)buffer.pointer);
+
+ /* Extra path is used to append names like _STA, _INI, etc. */
+
+ if (path) {
+ acpi_os_printf(".%s", path);
+ }
+ acpi_os_printf("\n");
+
+ ACPI_FREE(buffer.pointer);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_acpi_char
+ *
+ * PARAMETERS: Char - The character to be examined
+ * Position - Byte position (0-3)
+ *
+ * RETURN: TRUE if the character is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI character. Must be one of:
+ * 1) Upper case alpha
+ * 2) numeric
+ * 3) underscore
+ *
+ * We allow a '!' as the last character because of the ASF! table
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_acpi_char(char character, u32 position)
+{
+
+ if (!((character >= 'A' && character <= 'Z') ||
+ (character >= '0' && character <= '9') || (character == '_'))) {
+
+ /* Allow a '!' in the last position */
+
+ if (character == '!' && position == 3) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_acpi_name
+ *
+ * PARAMETERS: Name - The name to be examined
+ *
+ * RETURN: TRUE if the name is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
+ * 1) Upper case alpha
+ * 2) numeric
+ * 3) underscore
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_acpi_name(u32 name)
+{
+ u32 i;
+
+ ACPI_FUNCTION_ENTRY();
+
+ for (i = 0; i < ACPI_NAME_SIZE; i++) {
+ if (!acpi_ut_valid_acpi_char
+ ((ACPI_CAST_PTR(char, &name))[i], i)) {
+ return (FALSE);
+ }
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_repair_name
+ *
+ * PARAMETERS: Name - The ACPI name to be repaired
+ *
+ * RETURN: Repaired version of the name
+ *
+ * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
+ * return the new name.
+ *
+ ******************************************************************************/
+
+acpi_name acpi_ut_repair_name(char *name)
+{
+ u32 i;
+ char new_name[ACPI_NAME_SIZE];
+
+ for (i = 0; i < ACPI_NAME_SIZE; i++) {
+ new_name[i] = name[i];
+
+ /*
+ * Replace a bad character with something printable, yet technically
+ * still invalid. This prevents any collisions with existing "good"
+ * names in the namespace.
+ */
+ if (!acpi_ut_valid_acpi_char(name[i], i)) {
+ new_name[i] = '*';
+ }
+ }
+
+ return (*(u32 *) new_name);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strtoul64
+ *
+ * PARAMETERS: String - Null terminated string
+ * Base - Radix of the string: 16 or ACPI_ANY_BASE;
+ * ACPI_ANY_BASE means 'in behalf of to_integer'
+ * ret_integer - Where the converted integer is returned
+ *
+ * RETURN: Status and Converted value
+ *
+ * DESCRIPTION: Convert a string into an unsigned value. Performs either a
+ * 32-bit or 64-bit conversion, depending on the current mode
+ * of the interpreter.
+ * NOTE: Does not support Octal strings, not needed.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
+{
+ u32 this_digit = 0;
+ acpi_integer return_value = 0;
+ acpi_integer quotient;
+ acpi_integer dividend;
+ u32 to_integer_op = (base == ACPI_ANY_BASE);
+ u32 mode32 = (acpi_gbl_integer_byte_width == 4);
+ u8 valid_digits = 0;
+ u8 sign_of0x = 0;
+ u8 term = 0;
+
+ ACPI_FUNCTION_TRACE_STR(ut_stroul64, string);
+
+ switch (base) {
+ case ACPI_ANY_BASE:
+ case 16:
+ break;
+
+ default:
+ /* Invalid Base */
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (!string) {
+ goto error_exit;
+ }
+
+ /* Skip over any white space in the buffer */
+
+ while ((*string) && (ACPI_IS_SPACE(*string) || *string == '\t')) {
+ string++;
+ }
+
+ if (to_integer_op) {
+ /*
+ * Base equal to ACPI_ANY_BASE means 'to_integer operation case'.
+ * We need to determine if it is decimal or hexadecimal.
+ */
+ if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) {
+ sign_of0x = 1;
+ base = 16;
+
+ /* Skip over the leading '0x' */
+ string += 2;
+ } else {
+ base = 10;
+ }
+ }
+
+ /* Any string left? Check that '0x' is not followed by white space. */
+
+ if (!(*string) || ACPI_IS_SPACE(*string) || *string == '\t') {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ goto all_done;
+ }
+ }
+
+ /*
+ * Perform a 32-bit or 64-bit conversion, depending upon the current
+ * execution mode of the interpreter
+ */
+ dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
+
+ /* Main loop: convert the string to a 32- or 64-bit integer */
+
+ while (*string) {
+ if (ACPI_IS_DIGIT(*string)) {
+
+ /* Convert ASCII 0-9 to Decimal value */
+
+ this_digit = ((u8) * string) - '0';
+ } else if (base == 10) {
+
+ /* Digit is out of range; possible in to_integer case only */
+
+ term = 1;
+ } else {
+ this_digit = (u8) ACPI_TOUPPER(*string);
+ if (ACPI_IS_XDIGIT((char)this_digit)) {
+
+ /* Convert ASCII Hex char to value */
+
+ this_digit = this_digit - 'A' + 10;
+ } else {
+ term = 1;
+ }
+ }
+
+ if (term) {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ break;
+ }
+ } else if ((valid_digits == 0) && (this_digit == 0)
+ && !sign_of0x) {
+
+ /* Skip zeros */
+ string++;
+ continue;
+ }
+
+ valid_digits++;
+
+ if (sign_of0x && ((valid_digits > 16)
+ || ((valid_digits > 8) && mode32))) {
+ /*
+ * This is to_integer operation case.
+ * No any restrictions for string-to-integer conversion,
+ * see ACPI spec.
+ */
+ goto error_exit;
+ }
+
+ /* Divide the digit into the correct position */
+
+ (void)
+ acpi_ut_short_divide((dividend - (acpi_integer) this_digit),
+ base, &quotient, NULL);
+
+ if (return_value > quotient) {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ break;
+ }
+ }
+
+ return_value *= base;
+ return_value += this_digit;
+ string++;
+ }
+
+ /* All done, normal exit */
+
+ all_done:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(return_value)));
+
+ *ret_integer = return_value;
+ return_ACPI_STATUS(AE_OK);
+
+ error_exit:
+ /* Base was set/validated above */
+
+ if (base == 10) {
+ return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT);
+ } else {
+ return_ACPI_STATUS(AE_BAD_HEX_CONSTANT);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_update_state_and_push
+ *
+ * PARAMETERS: Object - Object to be added to the new state
+ * Action - Increment/Decrement
+ * state_list - List the state will be added to
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
+ u16 action,
+ union acpi_generic_state **state_list)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Ignore null objects; these are expected */
+
+ if (!object) {
+ return (AE_OK);
+ }
+
+ state = acpi_ut_create_update_state(object, action);
+ if (!state) {
+ return (AE_NO_MEMORY);
+ }
+
+ acpi_ut_push_generic_state(state_list, state);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_walk_package_tree
+ *
+ * PARAMETERS: source_object - The package to walk
+ * target_object - Target object (if package is being copied)
+ * walk_callback - Called once for each package element
+ * Context - Passed to the callback function
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk through a package
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
+ void *target_object,
+ acpi_pkg_callback walk_callback, void *context)
+{
+ acpi_status status = AE_OK;
+ union acpi_generic_state *state_list = NULL;
+ union acpi_generic_state *state;
+ u32 this_index;
+ union acpi_operand_object *this_source_obj;
+
+ ACPI_FUNCTION_TRACE(ut_walk_package_tree);
+
+ state = acpi_ut_create_pkg_state(source_object, target_object, 0);
+ if (!state) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ while (state) {
+
+ /* Get one element of the package */
+
+ this_index = state->pkg.index;
+ this_source_obj = (union acpi_operand_object *)
+ state->pkg.source_object->package.elements[this_index];
+
+ /*
+ * Check for:
+ * 1) An uninitialized package element. It is completely
+ * legal to declare a package and leave it uninitialized
+ * 2) Not an internal object - can be a namespace node instead
+ * 3) Any type other than a package. Packages are handled in else
+ * case below.
+ */
+ if ((!this_source_obj) ||
+ (ACPI_GET_DESCRIPTOR_TYPE(this_source_obj) !=
+ ACPI_DESC_TYPE_OPERAND)
+ || (ACPI_GET_OBJECT_TYPE(this_source_obj) !=
+ ACPI_TYPE_PACKAGE)) {
+ status =
+ walk_callback(ACPI_COPY_TYPE_SIMPLE,
+ this_source_obj, state, context);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ state->pkg.index++;
+ while (state->pkg.index >=
+ state->pkg.source_object->package.count) {
+ /*
+ * We've handled all of the objects at this level, This means
+ * that we have just completed a package. That package may
+ * have contained one or more packages itself.
+ *
+ * Delete this state and pop the previous state (package).
+ */
+ acpi_ut_delete_generic_state(state);
+ state = acpi_ut_pop_generic_state(&state_list);
+
+ /* Finished when there are no more states */
+
+ if (!state) {
+ /*
+ * We have handled all of the objects in the top level
+ * package just add the length of the package objects
+ * and exit
+ */
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Go back up a level and move the index past the just
+ * completed package object.
+ */
+ state->pkg.index++;
+ }
+ } else {
+ /* This is a subobject of type package */
+
+ status =
+ walk_callback(ACPI_COPY_TYPE_PACKAGE,
+ this_source_obj, state, context);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Push the current state and create a new one
+ * The callback above returned a new target package object.
+ */
+ acpi_ut_push_generic_state(&state_list, state);
+ state = acpi_ut_create_pkg_state(this_source_obj,
+ state->pkg.
+ this_target_obj, 0);
+ if (!state) {
+
+ /* Free any stacked Update State objects */
+
+ while (state_list) {
+ state =
+ acpi_ut_pop_generic_state
+ (&state_list);
+ acpi_ut_delete_generic_state(state);
+ }
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+ }
+ }
+
+ /* We should never get here */
+
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_error, acpi_ut_warning, acpi_ut_info
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * Format - Printf format string + additional args
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print message with module/line/version info
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_error(const char *module_name, u32 line_number, const char *format, ...)
+{
+ va_list args;
+
+ acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
+
+ va_start(args, format);
+ acpi_os_vprintf(format, args);
+ acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
+ va_end(args);
+}
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_exception(const char *module_name,
+ u32 line_number, acpi_status status, const char *format, ...)
+{
+ va_list args;
+
+ acpi_os_printf("ACPI Exception (%s-%04d): %s, ", module_name,
+ line_number, acpi_format_exception(status));
+
+ va_start(args, format);
+ acpi_os_vprintf(format, args);
+ acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
+ va_end(args);
+}
+
+EXPORT_SYMBOL(acpi_ut_exception);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_warning(const char *module_name,
+ u32 line_number, const char *format, ...)
+{
+ va_list args;
+
+ acpi_os_printf("ACPI Warning (%s-%04d): ", module_name, line_number);
+
+ va_start(args, format);
+ acpi_os_vprintf(format, args);
+ acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
+ va_end(args);
+}
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_info(const char *module_name, u32 line_number, const char *format, ...)
+{
+ va_list args;
+
+ /*
+ * Removed module_name, line_number, and acpica version, not needed
+ * for info output
+ */
+ acpi_os_printf("ACPI: ");
+
+ va_start(args, format);
+ acpi_os_vprintf(format, args);
+ acpi_os_printf("\n");
+ va_end(args);
+}
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
new file mode 100644
index 0000000..7331dde
--- /dev/null
+++ b/drivers/acpi/utilities/utmutex.c
@@ -0,0 +1,341 @@
+/*******************************************************************************
+ *
+ * Module Name: utmutex - local mutex support
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utmutex")
+
+/* Local prototypes */
+static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id);
+
+static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_mutex_initialize
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create the system mutex objects.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_mutex_initialize(void)
+{
+ u32 i;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_mutex_initialize);
+
+ /*
+ * Create each of the predefined mutex objects
+ */
+ for (i = 0; i < ACPI_NUM_MUTEX; i++) {
+ status = acpi_ut_create_mutex(i);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* Create the spinlocks for use at interrupt level */
+
+ spin_lock_init(acpi_gbl_gpe_lock);
+ spin_lock_init(acpi_gbl_hardware_lock);
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_mutex_terminate
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Delete all of the system mutex objects.
+ *
+ ******************************************************************************/
+
+void acpi_ut_mutex_terminate(void)
+{
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ut_mutex_terminate);
+
+ /*
+ * Delete each predefined mutex object
+ */
+ for (i = 0; i < ACPI_NUM_MUTEX; i++) {
+ (void)acpi_ut_delete_mutex(i);
+ }
+
+ /* Delete the spinlocks */
+
+ acpi_os_delete_lock(acpi_gbl_gpe_lock);
+ acpi_os_delete_lock(acpi_gbl_hardware_lock);
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be created
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_U32(ut_create_mutex, mutex_id);
+
+ if (mutex_id > ACPI_MAX_MUTEX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (!acpi_gbl_mutex_info[mutex_id].mutex) {
+ status =
+ acpi_os_create_mutex(&acpi_gbl_mutex_info[mutex_id].mutex);
+ acpi_gbl_mutex_info[mutex_id].thread_id =
+ ACPI_MUTEX_NOT_ACQUIRED;
+ acpi_gbl_mutex_info[mutex_id].use_count = 0;
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be deleted
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Delete a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
+{
+
+ ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id);
+
+ if (mutex_id > ACPI_MAX_MUTEX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ acpi_os_delete_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
+
+ acpi_gbl_mutex_info[mutex_id].mutex = NULL;
+ acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_acquire_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be acquired
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Acquire a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
+{
+ acpi_status status;
+ acpi_thread_id this_thread_id;
+
+ ACPI_FUNCTION_NAME(ut_acquire_mutex);
+
+ if (mutex_id > ACPI_MAX_MUTEX) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ this_thread_id = acpi_os_get_thread_id();
+
+#ifdef ACPI_MUTEX_DEBUG
+ {
+ u32 i;
+ /*
+ * Mutex debug code, for internal debugging only.
+ *
+ * Deadlock prevention. Check if this thread owns any mutexes of value
+ * greater than or equal to this one. If so, the thread has violated
+ * the mutex ordering rule. This indicates a coding error somewhere in
+ * the ACPI subsystem code.
+ */
+ for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) {
+ if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
+ if (i == mutex_id) {
+ ACPI_ERROR((AE_INFO,
+ "Mutex [%s] already acquired by this thread [%X]",
+ acpi_ut_get_mutex_name
+ (mutex_id),
+ this_thread_id));
+
+ return (AE_ALREADY_ACQUIRED);
+ }
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid acquire order: Thread %X owns [%s], wants [%s]",
+ this_thread_id,
+ acpi_ut_get_mutex_name(i),
+ acpi_ut_get_mutex_name(mutex_id)));
+
+ return (AE_ACQUIRE_DEADLOCK);
+ }
+ }
+ }
+#endif
+
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Thread %lX attempting to acquire Mutex [%s]\n",
+ (unsigned long)this_thread_id,
+ acpi_ut_get_mutex_name(mutex_id)));
+
+ status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex,
+ ACPI_WAIT_FOREVER);
+ if (ACPI_SUCCESS(status)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Thread %lX acquired Mutex [%s]\n",
+ (unsigned long)this_thread_id,
+ acpi_ut_get_mutex_name(mutex_id)));
+
+ acpi_gbl_mutex_info[mutex_id].use_count++;
+ acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
+ } else {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Thread %lX could not acquire Mutex [%X]",
+ (unsigned long)this_thread_id, mutex_id));
+ }
+
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_release_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be released
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Release a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
+{
+ acpi_thread_id this_thread_id;
+
+ ACPI_FUNCTION_NAME(ut_release_mutex);
+
+ this_thread_id = acpi_os_get_thread_id();
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Thread %lX releasing Mutex [%s]\n",
+ (unsigned long)this_thread_id,
+ acpi_ut_get_mutex_name(mutex_id)));
+
+ if (mutex_id > ACPI_MAX_MUTEX) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Mutex must be acquired in order to release it!
+ */
+ if (acpi_gbl_mutex_info[mutex_id].thread_id == ACPI_MUTEX_NOT_ACQUIRED) {
+ ACPI_ERROR((AE_INFO,
+ "Mutex [%X] is not acquired, cannot release",
+ mutex_id));
+
+ return (AE_NOT_ACQUIRED);
+ }
+#ifdef ACPI_MUTEX_DEBUG
+ {
+ u32 i;
+ /*
+ * Mutex debug code, for internal debugging only.
+ *
+ * Deadlock prevention. Check if this thread owns any mutexes of value
+ * greater than this one. If so, the thread has violated the mutex
+ * ordering rule. This indicates a coding error somewhere in
+ * the ACPI subsystem code.
+ */
+ for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) {
+ if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
+ if (i == mutex_id) {
+ continue;
+ }
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid release order: owns [%s], releasing [%s]",
+ acpi_ut_get_mutex_name(i),
+ acpi_ut_get_mutex_name(mutex_id)));
+
+ return (AE_RELEASE_DEADLOCK);
+ }
+ }
+ }
+#endif
+
+ /* Mark unlocked FIRST */
+
+ acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+ acpi_os_release_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
+ return (AE_OK);
+}
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
new file mode 100644
index 0000000..c354e7a
--- /dev/null
+++ b/drivers/acpi/utilities/utobject.c
@@ -0,0 +1,676 @@
+/******************************************************************************
+ *
+ * Module Name: utobject - ACPI object create/delete/size/cache routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/acnamesp.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utobject")
+
+/* Local prototypes */
+static acpi_status
+acpi_ut_get_simple_object_size(union acpi_operand_object *obj,
+ acpi_size * obj_length);
+
+static acpi_status
+acpi_ut_get_package_object_size(union acpi_operand_object *obj,
+ acpi_size * obj_length);
+
+static acpi_status
+acpi_ut_get_element_length(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state, void *context);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_internal_object_dbg
+ *
+ * PARAMETERS: module_name - Source file name of caller
+ * line_number - Line number of caller
+ * component_id - Component type of caller
+ * Type - ACPI Type of the new object
+ *
+ * RETURN: A new internal object, null on failure
+ *
+ * DESCRIPTION: Create and initialize a new internal object.
+ *
+ * NOTE: We always allocate the worst-case object descriptor because
+ * these objects are cached, and we want them to be
+ * one-size-satisifies-any-request. This in itself may not be
+ * the most memory efficient, but the efficiency of the object
+ * cache should more than make up for this!
+ *
+ ******************************************************************************/
+
+union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
+ *module_name,
+ u32 line_number,
+ u32 component_id,
+ acpi_object_type
+ type)
+{
+ union acpi_operand_object *object;
+ union acpi_operand_object *second_object;
+
+ ACPI_FUNCTION_TRACE_STR(ut_create_internal_object_dbg,
+ acpi_ut_get_type_name(type));
+
+ /* Allocate the raw object descriptor */
+
+ object =
+ acpi_ut_allocate_object_desc_dbg(module_name, line_number,
+ component_id);
+ if (!object) {
+ return_PTR(NULL);
+ }
+
+ switch (type) {
+ case ACPI_TYPE_REGION:
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+ /* These types require a secondary object */
+
+ second_object = acpi_ut_allocate_object_desc_dbg(module_name,
+ line_number,
+ component_id);
+ if (!second_object) {
+ acpi_ut_delete_object_desc(object);
+ return_PTR(NULL);
+ }
+
+ second_object->common.type = ACPI_TYPE_LOCAL_EXTRA;
+ second_object->common.reference_count = 1;
+
+ /* Link the second object to the first */
+
+ object->common.next_object = second_object;
+ break;
+
+ default:
+ /* All others have no secondary object */
+ break;
+ }
+
+ /* Save the object type in the object descriptor */
+
+ object->common.type = (u8) type;
+
+ /* Init the reference count */
+
+ object->common.reference_count = 1;
+
+ /* Any per-type initialization should go here */
+
+ return_PTR(object);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_package_object
+ *
+ * PARAMETERS: Count - Number of package elements
+ *
+ * RETURN: Pointer to a new Package object, null on failure
+ *
+ * DESCRIPTION: Create a fully initialized package object
+ *
+ ******************************************************************************/
+
+union acpi_operand_object *acpi_ut_create_package_object(u32 count)
+{
+ union acpi_operand_object *package_desc;
+ union acpi_operand_object **package_elements;
+
+ ACPI_FUNCTION_TRACE_U32(ut_create_package_object, count);
+
+ /* Create a new Package object */
+
+ package_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
+ if (!package_desc) {
+ return_PTR(NULL);
+ }
+
+ /*
+ * Create the element array. Count+1 allows the array to be null
+ * terminated.
+ */
+ package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size) count +
+ 1) * sizeof(void *));
+ if (!package_elements) {
+ acpi_ut_remove_reference(package_desc);
+ return_PTR(NULL);
+ }
+
+ package_desc->package.count = count;
+ package_desc->package.elements = package_elements;
+ return_PTR(package_desc);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_buffer_object
+ *
+ * PARAMETERS: buffer_size - Size of buffer to be created
+ *
+ * RETURN: Pointer to a new Buffer object, null on failure
+ *
+ * DESCRIPTION: Create a fully initialized buffer object
+ *
+ ******************************************************************************/
+
+union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size)
+{
+ union acpi_operand_object *buffer_desc;
+ u8 *buffer = NULL;
+
+ ACPI_FUNCTION_TRACE_U32(ut_create_buffer_object, buffer_size);
+
+ /* Create a new Buffer object */
+
+ buffer_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
+ if (!buffer_desc) {
+ return_PTR(NULL);
+ }
+
+ /* Create an actual buffer only if size > 0 */
+
+ if (buffer_size > 0) {
+
+ /* Allocate the actual buffer */
+
+ buffer = ACPI_ALLOCATE_ZEROED(buffer_size);
+ if (!buffer) {
+ ACPI_ERROR((AE_INFO, "Could not allocate size %X",
+ (u32) buffer_size));
+ acpi_ut_remove_reference(buffer_desc);
+ return_PTR(NULL);
+ }
+ }
+
+ /* Complete buffer object initialization */
+
+ buffer_desc->buffer.flags |= AOPOBJ_DATA_VALID;
+ buffer_desc->buffer.pointer = buffer;
+ buffer_desc->buffer.length = (u32) buffer_size;
+
+ /* Return the new buffer descriptor */
+
+ return_PTR(buffer_desc);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_string_object
+ *
+ * PARAMETERS: string_size - Size of string to be created. Does not
+ * include NULL terminator, this is added
+ * automatically.
+ *
+ * RETURN: Pointer to a new String object
+ *
+ * DESCRIPTION: Create a fully initialized string object
+ *
+ ******************************************************************************/
+
+union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
+{
+ union acpi_operand_object *string_desc;
+ char *string;
+
+ ACPI_FUNCTION_TRACE_U32(ut_create_string_object, string_size);
+
+ /* Create a new String object */
+
+ string_desc = acpi_ut_create_internal_object(ACPI_TYPE_STRING);
+ if (!string_desc) {
+ return_PTR(NULL);
+ }
+
+ /*
+ * Allocate the actual string buffer -- (Size + 1) for NULL terminator.
+ * NOTE: Zero-length strings are NULL terminated
+ */
+ string = ACPI_ALLOCATE_ZEROED(string_size + 1);
+ if (!string) {
+ ACPI_ERROR((AE_INFO, "Could not allocate size %X",
+ (u32) string_size));
+ acpi_ut_remove_reference(string_desc);
+ return_PTR(NULL);
+ }
+
+ /* Complete string object initialization */
+
+ string_desc->string.pointer = string;
+ string_desc->string.length = (u32) string_size;
+
+ /* Return the new string descriptor */
+
+ return_PTR(string_desc);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_internal_object
+ *
+ * PARAMETERS: Object - Object to be validated
+ *
+ * RETURN: TRUE if object is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Validate a pointer to be an union acpi_operand_object
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_internal_object(void *object)
+{
+
+ ACPI_FUNCTION_NAME(ut_valid_internal_object);
+
+ /* Check for a null pointer */
+
+ if (!object) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "**** Null Object Ptr\n"));
+ return (FALSE);
+ }
+
+ /* Check the descriptor type field */
+
+ switch (ACPI_GET_DESCRIPTOR_TYPE(object)) {
+ case ACPI_DESC_TYPE_OPERAND:
+
+ /* The object appears to be a valid union acpi_operand_object */
+
+ return (TRUE);
+
+ default:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "%p is not not an ACPI operand obj [%s]\n",
+ object, acpi_ut_get_descriptor_name(object)));
+ break;
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_allocate_object_desc_dbg
+ *
+ * PARAMETERS: module_name - Caller's module name (for error output)
+ * line_number - Caller's line number (for error output)
+ * component_id - Caller's component ID (for error output)
+ *
+ * RETURN: Pointer to newly allocated object descriptor. Null on error
+ *
+ * DESCRIPTION: Allocate a new object descriptor. Gracefully handle
+ * error conditions.
+ *
+ ******************************************************************************/
+
+void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
+ u32 line_number, u32 component_id)
+{
+ union acpi_operand_object *object;
+
+ ACPI_FUNCTION_TRACE(ut_allocate_object_desc_dbg);
+
+ object = acpi_os_acquire_object(acpi_gbl_operand_cache);
+ if (!object) {
+ ACPI_ERROR((module_name, line_number,
+ "Could not allocate an object descriptor"));
+
+ return_PTR(NULL);
+ }
+
+ /* Mark the descriptor type */
+
+ memset(object, 0, sizeof(union acpi_operand_object));
+ ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_OPERAND);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
+ object, (u32) sizeof(union acpi_operand_object)));
+
+ return_PTR(object);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_object_desc
+ *
+ * PARAMETERS: Object - An Acpi internal object to be deleted
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Free an ACPI object descriptor or add it to the object cache
+ *
+ ******************************************************************************/
+
+void acpi_ut_delete_object_desc(union acpi_operand_object *object)
+{
+ ACPI_FUNCTION_TRACE_PTR(ut_delete_object_desc, object);
+
+ /* Object must be an union acpi_operand_object */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) {
+ ACPI_ERROR((AE_INFO,
+ "%p is not an ACPI Operand object [%s]", object,
+ acpi_ut_get_descriptor_name(object)));
+ return_VOID;
+ }
+
+ (void)acpi_os_release_object(acpi_gbl_operand_cache, object);
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_simple_object_size
+ *
+ * PARAMETERS: internal_object - An ACPI operand object
+ * obj_length - Where the length is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ * contain a simple object for return to an external user.
+ *
+ * The length includes the object structure plus any additional
+ * needed space.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
+ acpi_size * obj_length)
+{
+ acpi_size length;
+ acpi_size size;
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_get_simple_object_size, internal_object);
+
+ /*
+ * Handle a null object (Could be a uninitialized package
+ * element -- which is legal)
+ */
+ if (!internal_object) {
+ *obj_length = sizeof(union acpi_object);
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Start with the length of the Acpi object */
+
+ length = sizeof(union acpi_object);
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(internal_object) == ACPI_DESC_TYPE_NAMED) {
+
+ /* Object is a named object (reference), just return the length */
+
+ *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length);
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * The final length depends on the object type
+ * Strings and Buffers are packed right up against the parent object and
+ * must be accessed bytewise or there may be alignment problems on
+ * certain processors
+ */
+ switch (ACPI_GET_OBJECT_TYPE(internal_object)) {
+ case ACPI_TYPE_STRING:
+
+ length += (acpi_size) internal_object->string.length + 1;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ length += (acpi_size) internal_object->buffer.length;
+ break;
+
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_POWER:
+
+ /* No extra data for these types */
+
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ switch (internal_object->reference.class) {
+ case ACPI_REFCLASS_NAME:
+
+ /*
+ * Get the actual length of the full pathname to this object.
+ * The reference will be converted to the pathname to the object
+ */
+ size =
+ acpi_ns_get_pathname_length(internal_object->
+ reference.node);
+ if (!size) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ length += ACPI_ROUND_UP_TO_NATIVE_WORD(size);
+ break;
+
+ default:
+
+ /*
+ * No other reference opcodes are supported.
+ * Notably, Locals and Args are not supported, but this may be
+ * required eventually.
+ */
+ ACPI_ERROR((AE_INFO,
+ "Cannot convert to external object - "
+ "unsupported Reference Class [%s] %X in object %p",
+ acpi_ut_get_reference_name(internal_object),
+ internal_object->reference.class,
+ internal_object));
+ status = AE_TYPE;
+ break;
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Cannot convert to external object - "
+ "unsupported type [%s] %X in object %p",
+ acpi_ut_get_object_type_name(internal_object),
+ ACPI_GET_OBJECT_TYPE(internal_object),
+ internal_object));
+ status = AE_TYPE;
+ break;
+ }
+
+ /*
+ * Account for the space required by the object rounded up to the next
+ * multiple of the machine word size. This keeps each object aligned
+ * on a machine word boundary. (preventing alignment faults on some
+ * machines.)
+ */
+ *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_element_length
+ *
+ * PARAMETERS: acpi_pkg_callback
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get the length of one package element.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_get_element_length(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state, void *context)
+{
+ acpi_status status = AE_OK;
+ struct acpi_pkg_info *info = (struct acpi_pkg_info *)context;
+ acpi_size object_space;
+
+ switch (object_type) {
+ case ACPI_COPY_TYPE_SIMPLE:
+
+ /*
+ * Simple object - just get the size (Null object/entry is handled
+ * here also) and sum it into the running package length
+ */
+ status =
+ acpi_ut_get_simple_object_size(source_object,
+ &object_space);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ info->length += object_space;
+ break;
+
+ case ACPI_COPY_TYPE_PACKAGE:
+
+ /* Package object - nothing much to do here, let the walk handle it */
+
+ info->num_packages++;
+ state->pkg.this_target_obj = NULL;
+ break;
+
+ default:
+
+ /* No other types allowed */
+
+ return (AE_BAD_PARAMETER);
+ }
+
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_package_object_size
+ *
+ * PARAMETERS: internal_object - An ACPI internal object
+ * obj_length - Where the length is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ * contain a package object for return to an external user.
+ *
+ * This is moderately complex since a package contains other
+ * objects including packages.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_get_package_object_size(union acpi_operand_object *internal_object,
+ acpi_size * obj_length)
+{
+ acpi_status status;
+ struct acpi_pkg_info info;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_get_package_object_size, internal_object);
+
+ info.length = 0;
+ info.object_space = 0;
+ info.num_packages = 1;
+
+ status = acpi_ut_walk_package_tree(internal_object, NULL,
+ acpi_ut_get_element_length, &info);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * We have handled all of the objects in all levels of the package.
+ * just add the length of the package objects themselves.
+ * Round up to the next machine word.
+ */
+ info.length += ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)) *
+ (acpi_size) info.num_packages;
+
+ /* Return the total package length */
+
+ *obj_length = info.length;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_object_size
+ *
+ * PARAMETERS: internal_object - An ACPI internal object
+ * obj_length - Where the length will be returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ * contain an object for return to an API user.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_get_object_size(union acpi_operand_object *internal_object,
+ acpi_size * obj_length)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if ((ACPI_GET_DESCRIPTOR_TYPE(internal_object) ==
+ ACPI_DESC_TYPE_OPERAND)
+ && (ACPI_GET_OBJECT_TYPE(internal_object) == ACPI_TYPE_PACKAGE)) {
+ status =
+ acpi_ut_get_package_object_size(internal_object,
+ obj_length);
+ } else {
+ status =
+ acpi_ut_get_simple_object_size(internal_object, obj_length);
+ }
+
+ return (status);
+}
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
new file mode 100644
index 0000000..c3e3e13
--- /dev/null
+++ b/drivers/acpi/utilities/utresrc.c
@@ -0,0 +1,615 @@
+/*******************************************************************************
+ *
+ * Module Name: utresrc - Resource management utilities
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/amlresrc.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utresrc")
+#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
+/*
+ * Strings used to decode resource descriptors.
+ * Used by both the disasssembler and the debugger resource dump routines
+ */
+const char *acpi_gbl_bm_decode[] = {
+ "NotBusMaster",
+ "BusMaster"
+};
+
+const char *acpi_gbl_config_decode[] = {
+ "0 - Good Configuration",
+ "1 - Acceptable Configuration",
+ "2 - Suboptimal Configuration",
+ "3 - ***Invalid Configuration***",
+};
+
+const char *acpi_gbl_consume_decode[] = {
+ "ResourceProducer",
+ "ResourceConsumer"
+};
+
+const char *acpi_gbl_dec_decode[] = {
+ "PosDecode",
+ "SubDecode"
+};
+
+const char *acpi_gbl_he_decode[] = {
+ "Level",
+ "Edge"
+};
+
+const char *acpi_gbl_io_decode[] = {
+ "Decode10",
+ "Decode16"
+};
+
+const char *acpi_gbl_ll_decode[] = {
+ "ActiveHigh",
+ "ActiveLow"
+};
+
+const char *acpi_gbl_max_decode[] = {
+ "MaxNotFixed",
+ "MaxFixed"
+};
+
+const char *acpi_gbl_mem_decode[] = {
+ "NonCacheable",
+ "Cacheable",
+ "WriteCombining",
+ "Prefetchable"
+};
+
+const char *acpi_gbl_min_decode[] = {
+ "MinNotFixed",
+ "MinFixed"
+};
+
+const char *acpi_gbl_mtp_decode[] = {
+ "AddressRangeMemory",
+ "AddressRangeReserved",
+ "AddressRangeACPI",
+ "AddressRangeNVS"
+};
+
+const char *acpi_gbl_rng_decode[] = {
+ "InvalidRanges",
+ "NonISAOnlyRanges",
+ "ISAOnlyRanges",
+ "EntireRange"
+};
+
+const char *acpi_gbl_rw_decode[] = {
+ "ReadOnly",
+ "ReadWrite"
+};
+
+const char *acpi_gbl_shr_decode[] = {
+ "Exclusive",
+ "Shared"
+};
+
+const char *acpi_gbl_siz_decode[] = {
+ "Transfer8",
+ "Transfer8_16",
+ "Transfer16",
+ "InvalidSize"
+};
+
+const char *acpi_gbl_trs_decode[] = {
+ "DenseTranslation",
+ "SparseTranslation"
+};
+
+const char *acpi_gbl_ttp_decode[] = {
+ "TypeStatic",
+ "TypeTranslation"
+};
+
+const char *acpi_gbl_typ_decode[] = {
+ "Compatibility",
+ "TypeA",
+ "TypeB",
+ "TypeF"
+};
+
+#endif
+
+/*
+ * Base sizes of the raw AML resource descriptors, indexed by resource type.
+ * Zero indicates a reserved (and therefore invalid) resource type.
+ */
+const u8 acpi_gbl_resource_aml_sizes[] = {
+ /* Small descriptors */
+
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_AML_SIZE_SMALL(struct aml_resource_irq),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_dma),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_start_dependent),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_end_dependent),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_io),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_fixed_io),
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_AML_SIZE_SMALL(struct aml_resource_vendor_small),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_end_tag),
+
+ /* Large descriptors */
+
+ 0,
+ ACPI_AML_SIZE_LARGE(struct aml_resource_memory24),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_generic_register),
+ 0,
+ ACPI_AML_SIZE_LARGE(struct aml_resource_vendor_large),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_memory32),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_fixed_memory32),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_address32),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_address16),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_extended_irq),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_address64),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_extended_address64)
+};
+
+/*
+ * Resource types, used to validate the resource length field.
+ * The length of fixed-length types must match exactly, variable
+ * lengths must meet the minimum required length, etc.
+ * Zero indicates a reserved (and therefore invalid) resource type.
+ */
+static const u8 acpi_gbl_resource_types[] = {
+ /* Small descriptors */
+
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_SMALL_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_SMALL_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+
+ /* Large descriptors */
+
+ 0,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ 0,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_walk_aml_resources
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource template
+ * aml_length - Length of the entire template
+ * user_function - Called once for each descriptor found. If
+ * NULL, a pointer to the end_tag is returned
+ * Context - Passed to user_function
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk a raw AML resource list(buffer). User function called
+ * once for each resource found.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_walk_aml_resources(u8 * aml,
+ acpi_size aml_length,
+ acpi_walk_aml_callback user_function, void **context)
+{
+ acpi_status status;
+ u8 *end_aml;
+ u8 resource_index;
+ u32 length;
+ u32 offset = 0;
+
+ ACPI_FUNCTION_TRACE(ut_walk_aml_resources);
+
+ /* The absolute minimum resource template is one end_tag descriptor */
+
+ if (aml_length < sizeof(struct aml_resource_end_tag)) {
+ return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
+ }
+
+ /* Point to the end of the resource template buffer */
+
+ end_aml = aml + aml_length;
+
+ /* Walk the byte list, abort on any invalid descriptor type or length */
+
+ while (aml < end_aml) {
+
+ /* Validate the Resource Type and Resource Length */
+
+ status = acpi_ut_validate_resource(aml, &resource_index);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Get the length of this descriptor */
+
+ length = acpi_ut_get_descriptor_length(aml);
+
+ /* Invoke the user function */
+
+ if (user_function) {
+ status =
+ user_function(aml, length, offset, resource_index,
+ context);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
+ /* An end_tag descriptor terminates this resource template */
+
+ if (acpi_ut_get_resource_type(aml) ==
+ ACPI_RESOURCE_NAME_END_TAG) {
+ /*
+ * There must be at least one more byte in the buffer for
+ * the 2nd byte of the end_tag
+ */
+ if ((aml + 1) >= end_aml) {
+ return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
+ }
+
+ /* Return the pointer to the end_tag if requested */
+
+ if (!user_function) {
+ *context = aml;
+ }
+
+ /* Normal exit */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ aml += length;
+ offset += length;
+ }
+
+ /* Did not find an end_tag descriptor */
+
+ return (AE_AML_NO_RESOURCE_END_TAG);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_validate_resource
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ * return_index - Where the resource index is returned. NULL
+ * if the index is not required.
+ *
+ * RETURN: Status, and optionally the Index into the global resource tables
+ *
+ * DESCRIPTION: Validate an AML resource descriptor by checking the Resource
+ * Type and Resource Length. Returns an index into the global
+ * resource information/dispatch tables for later use.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
+{
+ u8 resource_type;
+ u8 resource_index;
+ acpi_rs_length resource_length;
+ acpi_rs_length minimum_resource_length;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * 1) Validate the resource_type field (Byte 0)
+ */
+ resource_type = ACPI_GET8(aml);
+
+ /*
+ * Byte 0 contains the descriptor name (Resource Type)
+ * Examine the large/small bit in the resource header
+ */
+ if (resource_type & ACPI_RESOURCE_NAME_LARGE) {
+
+ /* Verify the large resource type (name) against the max */
+
+ if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) {
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
+ /*
+ * Large Resource Type -- bits 6:0 contain the name
+ * Translate range 0x80-0x8B to index range 0x10-0x1B
+ */
+ resource_index = (u8) (resource_type - 0x70);
+ } else {
+ /*
+ * Small Resource Type -- bits 6:3 contain the name
+ * Shift range to index range 0x00-0x0F
+ */
+ resource_index = (u8)
+ ((resource_type & ACPI_RESOURCE_NAME_SMALL_MASK) >> 3);
+ }
+
+ /* Check validity of the resource type, zero indicates name is invalid */
+
+ if (!acpi_gbl_resource_types[resource_index]) {
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
+ /*
+ * 2) Validate the resource_length field. This ensures that the length
+ * is at least reasonable, and guarantees that it is non-zero.
+ */
+ resource_length = acpi_ut_get_resource_length(aml);
+ minimum_resource_length = acpi_gbl_resource_aml_sizes[resource_index];
+
+ /* Validate based upon the type of resource - fixed length or variable */
+
+ switch (acpi_gbl_resource_types[resource_index]) {
+ case ACPI_FIXED_LENGTH:
+
+ /* Fixed length resource, length must match exactly */
+
+ if (resource_length != minimum_resource_length) {
+ return (AE_AML_BAD_RESOURCE_LENGTH);
+ }
+ break;
+
+ case ACPI_VARIABLE_LENGTH:
+
+ /* Variable length resource, length must be at least the minimum */
+
+ if (resource_length < minimum_resource_length) {
+ return (AE_AML_BAD_RESOURCE_LENGTH);
+ }
+ break;
+
+ case ACPI_SMALL_VARIABLE_LENGTH:
+
+ /* Small variable length resource, length can be (Min) or (Min-1) */
+
+ if ((resource_length > minimum_resource_length) ||
+ (resource_length < (minimum_resource_length - 1))) {
+ return (AE_AML_BAD_RESOURCE_LENGTH);
+ }
+ break;
+
+ default:
+
+ /* Shouldn't happen (because of validation earlier), but be sure */
+
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
+ /* Optionally return the resource table index */
+
+ if (return_index) {
+ *return_index = resource_index;
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_type
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: The Resource Type with no extraneous bits (except the
+ * Large/Small descriptor bit -- this is left alone)
+ *
+ * DESCRIPTION: Extract the Resource Type/Name from the first byte of
+ * a resource descriptor.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_get_resource_type(void *aml)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Byte 0 contains the descriptor name (Resource Type)
+ * Examine the large/small bit in the resource header
+ */
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
+
+ /* Large Resource Type -- bits 6:0 contain the name */
+
+ return (ACPI_GET8(aml));
+ } else {
+ /* Small Resource Type -- bits 6:3 contain the name */
+
+ return ((u8) (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_length
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: Byte Length
+ *
+ * DESCRIPTION: Get the "Resource Length" of a raw AML descriptor. By
+ * definition, this does not include the size of the descriptor
+ * header or the length field itself.
+ *
+ ******************************************************************************/
+
+u16 acpi_ut_get_resource_length(void *aml)
+{
+ acpi_rs_length resource_length;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Byte 0 contains the descriptor name (Resource Type)
+ * Examine the large/small bit in the resource header
+ */
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
+
+ /* Large Resource type -- bytes 1-2 contain the 16-bit length */
+
+ ACPI_MOVE_16_TO_16(&resource_length, ACPI_ADD_PTR(u8, aml, 1));
+
+ } else {
+ /* Small Resource type -- bits 2:0 of byte 0 contain the length */
+
+ resource_length = (u16) (ACPI_GET8(aml) &
+ ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
+ }
+
+ return (resource_length);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_header_length
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: Length of the AML header (depends on large/small descriptor)
+ *
+ * DESCRIPTION: Get the length of the header for this resource.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_get_resource_header_length(void *aml)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /* Examine the large/small bit in the resource header */
+
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
+ return (sizeof(struct aml_resource_large_header));
+ } else {
+ return (sizeof(struct aml_resource_small_header));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_descriptor_length
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: Byte length
+ *
+ * DESCRIPTION: Get the total byte length of a raw AML descriptor, including the
+ * length of the descriptor header and the length field itself.
+ * Used to walk descriptor lists.
+ *
+ ******************************************************************************/
+
+u32 acpi_ut_get_descriptor_length(void *aml)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Get the Resource Length (does not include header length) and add
+ * the header length (depends on if this is a small or large resource)
+ */
+ return (acpi_ut_get_resource_length(aml) +
+ acpi_ut_get_resource_header_length(aml));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_end_tag
+ *
+ * PARAMETERS: obj_desc - The resource template buffer object
+ * end_tag - Where the pointer to the end_tag is returned
+ *
+ * RETURN: Status, pointer to the end tag
+ *
+ * DESCRIPTION: Find the end_tag resource descriptor in an AML resource template
+ * Note: allows a buffer length of zero.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
+ u8 ** end_tag)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_get_resource_end_tag);
+
+ /* Allow a buffer length of zero */
+
+ if (!obj_desc->buffer.length) {
+ *end_tag = obj_desc->buffer.pointer;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Validate the template and get a pointer to the end_tag */
+
+ status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer,
+ obj_desc->buffer.length, NULL,
+ (void **)end_tag);
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
new file mode 100644
index 0000000..63a6d3d
--- /dev/null
+++ b/drivers/acpi/utilities/utstate.c
@@ -0,0 +1,346 @@
+/*******************************************************************************
+ *
+ * Module Name: utstate - state object support procedures
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utstate")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_pkg_state_and_push
+ *
+ * PARAMETERS: Object - Object to be added to the new state
+ * Action - Increment/Decrement
+ * state_list - List the state will be added to
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_create_pkg_state_and_push(void *internal_object,
+ void *external_object,
+ u16 index,
+ union acpi_generic_state **state_list)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_ENTRY();
+
+ state =
+ acpi_ut_create_pkg_state(internal_object, external_object, index);
+ if (!state) {
+ return (AE_NO_MEMORY);
+ }
+
+ acpi_ut_push_generic_state(state_list, state);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_push_generic_state
+ *
+ * PARAMETERS: list_head - Head of the state stack
+ * State - State object to push
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Push a state object onto a state stack
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_push_generic_state(union acpi_generic_state **list_head,
+ union acpi_generic_state *state)
+{
+ ACPI_FUNCTION_TRACE(ut_push_generic_state);
+
+ /* Push the state object onto the front of the list (stack) */
+
+ state->common.next = *list_head;
+ *list_head = state;
+
+ return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_pop_generic_state
+ *
+ * PARAMETERS: list_head - Head of the state stack
+ *
+ * RETURN: The popped state object
+ *
+ * DESCRIPTION: Pop a state object from a state stack
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
+ **list_head)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_TRACE(ut_pop_generic_state);
+
+ /* Remove the state object at the head of the list (stack) */
+
+ state = *list_head;
+ if (state) {
+
+ /* Update the list head */
+
+ *list_head = state->common.next;
+ }
+
+ return_PTR(state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_generic_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: The new state object. NULL on failure.
+ *
+ * DESCRIPTION: Create a generic state object. Attempt to obtain one from
+ * the global state cache; If none available, create a new one.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *acpi_ut_create_generic_state(void)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_ENTRY();
+
+ state = acpi_os_acquire_object(acpi_gbl_state_cache);
+ if (state) {
+
+ /* Initialize */
+ memset(state, 0, sizeof(union acpi_generic_state));
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE;
+ }
+
+ return (state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_thread_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: New Thread State. NULL on failure
+ *
+ * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
+ * to track per-thread info during method execution
+ *
+ ******************************************************************************/
+
+struct acpi_thread_state *acpi_ut_create_thread_state(void)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_TRACE(ut_create_thread_state);
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state();
+ if (!state) {
+ return_PTR(NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_THREAD;
+ state->thread.thread_id = acpi_os_get_thread_id();
+
+ /* Check for invalid thread ID - zero is very bad, it will break things */
+
+ if (!state->thread.thread_id) {
+ ACPI_ERROR((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId"));
+ state->thread.thread_id = (acpi_thread_id) 1;
+ }
+
+ return_PTR((struct acpi_thread_state *)state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_update_state
+ *
+ * PARAMETERS: Object - Initial Object to be installed in the state
+ * Action - Update action to be performed
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ * to update reference counts and delete complex objects such
+ * as packages.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
+ *object, u16 action)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_create_update_state, object);
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state();
+ if (!state) {
+ return_PTR(NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_UPDATE;
+ state->update.object = object;
+ state->update.value = action;
+
+ return_PTR(state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_pkg_state
+ *
+ * PARAMETERS: Object - Initial Object to be installed in the state
+ * Action - Update action to be performed
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Package State"
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
+ void *external_object,
+ u16 index)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_TRACE_PTR(ut_create_pkg_state, internal_object);
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state();
+ if (!state) {
+ return_PTR(NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_PACKAGE;
+ state->pkg.source_object = (union acpi_operand_object *)internal_object;
+ state->pkg.dest_object = external_object;
+ state->pkg.index = index;
+ state->pkg.num_packages = 1;
+
+ return_PTR(state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_control_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
+ * to support nested IF/WHILE constructs in the AML.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *acpi_ut_create_control_state(void)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_TRACE(ut_create_control_state);
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state();
+ if (!state) {
+ return_PTR(NULL);
+ }
+
+ /* Init fields specific to the control struct */
+
+ state->common.descriptor_type = ACPI_DESC_TYPE_STATE_CONTROL;
+ state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
+
+ return_PTR(state);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_generic_state
+ *
+ * PARAMETERS: State - The state object to be deleted
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Release a state object to the state cache. NULL state objects
+ * are ignored.
+ *
+ ******************************************************************************/
+
+void acpi_ut_delete_generic_state(union acpi_generic_state *state)
+{
+ ACPI_FUNCTION_TRACE(ut_delete_generic_state);
+
+ /* Ignore null state */
+
+ if (state) {
+ (void)acpi_os_release_object(acpi_gbl_state_cache, state);
+ }
+ return_VOID;
+}
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
new file mode 100644
index 0000000..c198a4d
--- /dev/null
+++ b/drivers/acpi/utilities/utxface.c
@@ -0,0 +1,500 @@
+/******************************************************************************
+ *
+ * Module Name: utxface - External interfaces for "global" ACPI functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, 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 <acpi/acevents.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acdebug.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utxface")
+
+#ifndef ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_initialize_subsystem
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initializes all global variables. This is the first function
+ * called, so any early initialization belongs here.
+ *
+ ******************************************************************************/
+acpi_status __init acpi_initialize_subsystem(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
+
+ acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;
+ ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
+
+ /* Initialize the OS-Dependent layer */
+
+ status = acpi_os_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
+ return_ACPI_STATUS(status);
+ }
+
+ /* Initialize all globals used by the subsystem */
+
+ status = acpi_ut_init_globals();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During initialization of globals"));
+ return_ACPI_STATUS(status);
+ }
+
+ /* Create the default mutex objects */
+
+ status = acpi_ut_mutex_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During Global Mutex creation"));
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Initialize the namespace manager and
+ * the root of the namespace tree
+ */
+ status = acpi_ns_root_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During Namespace initialization"));
+ return_ACPI_STATUS(status);
+ }
+
+ /* If configured, initialize the AML debugger */
+
+ ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_enable_subsystem
+ *
+ * PARAMETERS: Flags - Init/enable Options
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Completes the subsystem initialization including hardware.
+ * Puts system into ACPI mode if it isn't already.
+ *
+ ******************************************************************************/
+acpi_status acpi_enable_subsystem(u32 flags)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
+
+ /* Enable ACPI mode */
+
+ if (!(flags & ACPI_NO_ACPI_ENABLE)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Going into ACPI mode\n"));
+
+ acpi_gbl_original_mode = acpi_hw_get_mode();
+
+ status = acpi_enable();
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * Install the default op_region handlers. These are installed unless
+ * other handlers have already been installed via the
+ * install_address_space_handler interface.
+ */
+ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Installing default address space handlers\n"));
+
+ status = acpi_ev_install_region_handlers();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * Initialize ACPI Event handling (Fixed and General Purpose)
+ *
+ * Note1: We must have the hardware and events initialized before we can
+ * execute any control methods safely. Any control method can require
+ * ACPI hardware support, so the hardware must be fully initialized before
+ * any method execution!
+ *
+ * Note2: Fixed events are initialized and enabled here. GPEs are
+ * initialized, but cannot be enabled until after the hardware is
+ * completely initialized (SCI and global_lock activated)
+ */
+ if (!(flags & ACPI_NO_EVENT_INIT)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Initializing ACPI events\n"));
+
+ status = acpi_ev_initialize_events();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * Install the SCI handler and Global Lock handler. This completes the
+ * hardware initialization.
+ */
+ if (!(flags & ACPI_NO_HANDLER_INIT)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Installing SCI/GL handlers\n"));
+
+ status = acpi_ev_install_xrupt_handlers();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_initialize_objects
+ *
+ * PARAMETERS: Flags - Init/enable Options
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Completes namespace initialization by initializing device
+ * objects and executing AML code for Regions, buffers, etc.
+ *
+ ******************************************************************************/
+acpi_status acpi_initialize_objects(u32 flags)
+{
+ acpi_status status = AE_OK;
+
+ ACPI_FUNCTION_TRACE(acpi_initialize_objects);
+
+ /*
+ * Run all _REG methods
+ *
+ * Note: Any objects accessed by the _REG methods will be automatically
+ * initialized, even if they contain executable AML (see the call to
+ * acpi_ns_initialize_objects below).
+ */
+ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Executing _REG OpRegion methods\n"));
+
+ status = acpi_ev_initialize_op_regions();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * Initialize the objects that remain uninitialized. This runs the
+ * executable AML that may be part of the declaration of these objects:
+ * operation_regions, buffer_fields, Buffers, and Packages.
+ */
+ if (!(flags & ACPI_NO_OBJECT_INIT)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Completing Initialization of ACPI Objects\n"));
+
+ status = acpi_ns_initialize_objects();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * Initialize all device objects in the namespace. This runs the device
+ * _STA and _INI methods.
+ */
+ if (!(flags & ACPI_NO_DEVICE_INIT)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[Init] Initializing ACPI Devices\n"));
+
+ status = acpi_ns_initialize_devices();
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * Complete the GPE initialization for the GPE blocks defined in the FADT
+ * (GPE block 0 and 1).
+ *
+ * Note1: This is where the _PRW methods are executed for the GPEs. These
+ * methods can only be executed after the SCI and Global Lock handlers are
+ * installed and initialized.
+ *
+ * Note2: Currently, there seems to be no need to run the _REG methods
+ * before execution of the _PRW methods and enabling of the GPEs.
+ */
+ if (!(flags & ACPI_NO_EVENT_INIT)) {
+ status = acpi_ev_install_fadt_gpes();
+ if (ACPI_FAILURE(status))
+ return (status);
+ }
+
+ /*
+ * Empty the caches (delete the cached objects) on the assumption that
+ * the table load filled them up more than they will be at runtime --
+ * thus wasting non-paged memory.
+ */
+ status = acpi_purge_cached_objects();
+
+ acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK;
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_initialize_objects)
+
+#endif
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_terminate
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Shutdown the ACPI subsystem. Release all resources.
+ *
+ ******************************************************************************/
+acpi_status acpi_terminate(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_terminate);
+
+ /* Terminate the AML Debugger if present */
+
+ ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = TRUE);
+
+ /* Shutdown and free all resources */
+
+ acpi_ut_subsystem_shutdown();
+
+ /* Free the mutex objects */
+
+ acpi_ut_mutex_terminate();
+
+#ifdef ACPI_DEBUGGER
+
+ /* Shut down the debugger */
+
+ acpi_db_terminate();
+#endif
+
+ /* Now we can shutdown the OS-dependent layer */
+
+ status = acpi_os_terminate();
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_terminate)
+#ifndef ACPI_ASL_COMPILER
+#ifdef ACPI_FUTURE_USAGE
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_subsystem_status
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status of the ACPI subsystem
+ *
+ * DESCRIPTION: Other drivers that use the ACPI subsystem should call this
+ * before making any other calls, to ensure the subsystem
+ * initialized successfully.
+ *
+ ******************************************************************************/
+acpi_status acpi_subsystem_status(void)
+{
+
+ if (acpi_gbl_startup_flags & ACPI_INITIALIZED_OK) {
+ return (AE_OK);
+ } else {
+ return (AE_ERROR);
+ }
+}
+
+ACPI_EXPORT_SYMBOL(acpi_subsystem_status)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_system_info
+ *
+ * PARAMETERS: out_buffer - A buffer to receive the resources for the
+ * device
+ *
+ * RETURN: Status - the status of the call
+ *
+ * DESCRIPTION: This function is called to get information about the current
+ * state of the ACPI subsystem. It will return system information
+ * in the out_buffer.
+ *
+ * If the function fails an appropriate status will be returned
+ * and the value of out_buffer is undefined.
+ *
+ ******************************************************************************/
+acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
+{
+ struct acpi_system_info *info_ptr;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_get_system_info);
+
+ /* Parameter validation */
+
+ status = acpi_ut_validate_buffer(out_buffer);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Validate/Allocate/Clear caller buffer */
+
+ status =
+ acpi_ut_initialize_buffer(out_buffer,
+ sizeof(struct acpi_system_info));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Populate the return buffer
+ */
+ info_ptr = (struct acpi_system_info *)out_buffer->pointer;
+
+ info_ptr->acpi_ca_version = ACPI_CA_VERSION;
+
+ /* System flags (ACPI capabilities) */
+
+ info_ptr->flags = ACPI_SYS_MODE_ACPI;
+
+ /* Timer resolution - 24 or 32 bits */
+
+ if (acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) {
+ info_ptr->timer_resolution = 24;
+ } else {
+ info_ptr->timer_resolution = 32;
+ }
+
+ /* Clear the reserved fields */
+
+ info_ptr->reserved1 = 0;
+ info_ptr->reserved2 = 0;
+
+ /* Current debug levels */
+
+ info_ptr->debug_layer = acpi_dbg_layer;
+ info_ptr->debug_level = acpi_dbg_level;
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_system_info)
+
+/*****************************************************************************
+ *
+ * FUNCTION: acpi_install_initialization_handler
+ *
+ * PARAMETERS: Handler - Callback procedure
+ * Function - Not (currently) used, see below
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install an initialization handler
+ *
+ * TBD: When a second function is added, must save the Function also.
+ *
+ ****************************************************************************/
+acpi_status
+acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
+{
+
+ if (!handler) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ if (acpi_gbl_init_handler) {
+ return (AE_ALREADY_EXISTS);
+ }
+
+ acpi_gbl_init_handler = handler;
+ return AE_OK;
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler)
+#endif /* ACPI_FUTURE_USAGE */
+/*****************************************************************************
+ *
+ * FUNCTION: acpi_purge_cached_objects
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Empty all caches (delete the cached objects)
+ *
+ ****************************************************************************/
+acpi_status acpi_purge_cached_objects(void)
+{
+ ACPI_FUNCTION_TRACE(acpi_purge_cached_objects);
+
+ (void)acpi_os_purge_cache(acpi_gbl_state_cache);
+ (void)acpi_os_purge_cache(acpi_gbl_operand_cache);
+ (void)acpi_os_purge_cache(acpi_gbl_ps_node_cache);
+ (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache);
+ return_ACPI_STATUS(AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_purge_cached_objects)
+#endif
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