aboutsummaryrefslogtreecommitdiff
path: root/drivers/acpi/utilities/utcopy.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/utilities/utcopy.c')
-rw-r--r--drivers/acpi/utilities/utcopy.c592
1 files changed, 269 insertions, 323 deletions
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 11e88495716..5442b32de61 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -41,59 +41,46 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/amlcode.h>
-
#define _COMPONENT ACPI_UTILITIES
- ACPI_MODULE_NAME ("utcopy")
+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);
+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);
+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);
+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);
+acpi_ut_copy_esimple_to_isimple(union acpi_object *user_obj,
+ union acpi_operand_object **return_obj);
static acpi_status
-acpi_ut_copy_simple_object (
- union acpi_operand_object *source_desc,
- union acpi_operand_object *dest_desc);
+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);
+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);
-
+acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
+ union acpi_operand_object *dest_obj,
+ struct acpi_walk_state *walk_state);
/*******************************************************************************
*
@@ -116,17 +103,13 @@ acpi_ut_copy_ipackage_to_ipackage (
******************************************************************************/
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_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");
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE("ut_copy_isimple_to_esimple");
*buffer_space_used = 0;
@@ -135,54 +118,54 @@ acpi_ut_copy_isimple_to_esimple (
* package element)
*/
if (!internal_object) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Always clear the external object */
- ACPI_MEMSET (external_object, 0, sizeof (union acpi_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);
+ 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)) {
+ switch (ACPI_GET_OBJECT_TYPE(internal_object)) {
case ACPI_TYPE_STRING:
- external_object->string.pointer = (char *) data_space;
+ 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);
+ *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);
+ *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);
+ 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:
/*
@@ -199,41 +182,41 @@ acpi_ut_copy_isimple_to_esimple (
* to object containing a handle to an ACPI named object.
*/
external_object->type = ACPI_TYPE_ANY;
- external_object->reference.handle = internal_object->reference.node;
+ external_object->reference.handle =
+ internal_object->reference.node;
break;
}
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;
+ 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;
+ internal_object->power_resource.system_level;
external_object->power_resource.resource_order =
- internal_object->power_resource.resource_order;
+ internal_object->power_resource.resource_order;
break;
-
default:
/*
* There is no corresponding external object type
*/
- return_ACPI_STATUS (AE_SUPPORT);
+ return_ACPI_STATUS(AE_SUPPORT);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_ielement_to_eelement
@@ -247,25 +230,23 @@ acpi_ut_copy_isimple_to_esimple (
******************************************************************************/
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_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_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();
- ACPI_FUNCTION_ENTRY ();
-
-
- this_index = state->pkg.index;
+ this_index = state->pkg.index;
target_object = (union acpi_object *)
- &((union acpi_object *)(state->pkg.dest_object))->package.elements[this_index];
+ &((union acpi_object *)(state->pkg.dest_object))->package.
+ elements[this_index];
switch (object_type) {
case ACPI_COPY_TYPE_SIMPLE:
@@ -273,23 +254,24 @@ acpi_ut_copy_ielement_to_eelement (
/*
* 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)) {
+ 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->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);
+ ACPI_CAST_PTR(union acpi_object, info->free_space);
/*
* Pass the new package object back to the package walk routine
@@ -300,22 +282,22 @@ acpi_ut_copy_ielement_to_eelement (
* 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));
+ 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;
+ info->free_space += object_space;
+ info->length += object_space;
return (status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_ipackage_to_epackage
@@ -336,55 +318,51 @@ acpi_ut_copy_ielement_to_eelement (
******************************************************************************/
static acpi_status
-acpi_ut_copy_ipackage_to_epackage (
- union acpi_operand_object *internal_object,
- u8 *buffer,
- acpi_size *space_used)
+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");
+ 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);
+ 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.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);
+ 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.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));
+ 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);
+ 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);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_iobject_to_eobject
@@ -400,44 +378,45 @@ acpi_ut_copy_ipackage_to_epackage (
******************************************************************************/
acpi_status
-acpi_ut_copy_iobject_to_eobject (
- union acpi_operand_object *internal_object,
- struct acpi_buffer *ret_buffer)
+acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *internal_object,
+ struct acpi_buffer *ret_buffer)
{
- acpi_status status;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ut_copy_iobject_to_eobject");
- ACPI_FUNCTION_TRACE ("ut_copy_iobject_to_eobject");
-
-
- if (ACPI_GET_OBJECT_TYPE (internal_object) == ACPI_TYPE_PACKAGE) {
+ 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 {
+ 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,
- (union acpi_object *) ret_buffer->pointer,
- ((u8 *) ret_buffer->pointer +
- ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (union acpi_object))),
- &ret_buffer->length);
+ status = acpi_ut_copy_isimple_to_esimple(internal_object,
+ (union acpi_object *)
+ ret_buffer->pointer,
+ ((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);
+ ret_buffer->length += sizeof(union acpi_object);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_esimple_to_isimple
@@ -455,15 +434,12 @@ acpi_ut_copy_iobject_to_eobject (
******************************************************************************/
static acpi_status
-acpi_ut_copy_esimple_to_isimple (
- union acpi_object *external_object,
- union acpi_operand_object **ret_internal_object)
+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");
+ union acpi_operand_object *internal_object;
+ ACPI_FUNCTION_TRACE("ut_copy_esimple_to_isimple");
/*
* Simple types supported are: String, Buffer, Integer
@@ -473,58 +449,57 @@ acpi_ut_copy_esimple_to_isimple (
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_INTEGER:
- internal_object = acpi_ut_create_internal_object (
- (u8) external_object->type);
+ internal_object = acpi_ut_create_internal_object((u8)
+ external_object->
+ type);
if (!internal_object) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
break;
default:
/* All other types are not supported */
- return_ACPI_STATUS (AE_SUPPORT);
+ return_ACPI_STATUS(AE_SUPPORT);
}
-
/* Must COPY string and buffer contents */
switch (external_object->type) {
case ACPI_TYPE_STRING:
internal_object->string.pointer =
- ACPI_MEM_CALLOCATE ((acpi_size) external_object->string.length + 1);
+ ACPI_MEM_CALLOCATE((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);
+ 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_MEM_CALLOCATE (external_object->buffer.length);
+ ACPI_MEM_CALLOCATE(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);
+ ACPI_MEMCPY(internal_object->buffer.pointer,
+ external_object->buffer.pointer,
+ external_object->buffer.length);
internal_object->buffer.length = external_object->buffer.length;
break;
-
case ACPI_TYPE_INTEGER:
- internal_object->integer.value = external_object->integer.value;
+ internal_object->integer.value = external_object->integer.value;
break;
default:
@@ -533,15 +508,13 @@ acpi_ut_copy_esimple_to_isimple (
}
*ret_internal_object = internal_object;
- return_ACPI_STATUS (AE_OK);
-
+ return_ACPI_STATUS(AE_OK);
-error_exit:
- acpi_ut_remove_reference (internal_object);
- return_ACPI_STATUS (AE_NO_MEMORY);
+ error_exit:
+ acpi_ut_remove_reference(internal_object);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
-
#ifdef ACPI_FUTURE_IMPLEMENTATION
/* Code to convert packages that are parameters to control methods */
@@ -565,22 +538,18 @@ error_exit:
******************************************************************************/
static acpi_status
-acpi_ut_copy_epackage_to_ipackage (
- union acpi_operand_object *internal_object,
- u8 *buffer,
- u32 *space_used)
+acpi_ut_copy_epackage_to_ipackage(union acpi_operand_object *internal_object,
+ u8 * buffer, u32 * space_used)
{
- u8 *free_space;
- union acpi_object *external_object;
- u32 length = 0;
- u32 this_index;
- u32 object_space = 0;
- union acpi_operand_object *this_internal_obj;
- union acpi_object *this_external_obj;
-
-
- ACPI_FUNCTION_TRACE ("ut_copy_epackage_to_ipackage");
+ u8 *free_space;
+ union acpi_object *external_object;
+ u32 length = 0;
+ u32 this_index;
+ u32 object_space = 0;
+ union acpi_operand_object *this_internal_obj;
+ union acpi_object *this_external_obj;
+ ACPI_FUNCTION_TRACE("ut_copy_epackage_to_ipackage");
/*
* First package at head of the buffer
@@ -592,24 +561,22 @@ acpi_ut_copy_epackage_to_ipackage (
*/
free_space = buffer + sizeof(union acpi_object);
-
- external_object->type = ACPI_GET_OBJECT_TYPE (internal_object);
- external_object->package.count = internal_object->package.count;
- external_object->package.elements = (union acpi_object *)free_space;
+ external_object->type = ACPI_GET_OBJECT_TYPE(internal_object);
+ external_object->package.count = internal_object->package.count;
+ external_object->package.elements = (union acpi_object *)free_space;
/*
* Build an array of ACPI_OBJECTS in the buffer
* and move the free space past it
*/
- free_space += external_object->package.count * sizeof(union acpi_object);
-
+ free_space +=
+ external_object->package.count * sizeof(union acpi_object);
/* Call walk_package */
}
-#endif /* Future implementation */
-
+#endif /* Future implementation */
/*******************************************************************************
*
@@ -625,37 +592,35 @@ acpi_ut_copy_epackage_to_ipackage (
******************************************************************************/
acpi_status
-acpi_ut_copy_eobject_to_iobject (
- union acpi_object *external_object,
- union acpi_operand_object **internal_object)
+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");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ut_copy_eobject_to_iobject");
if (external_object->type == ACPI_TYPE_PACKAGE) {
/*
* Packages as external input to control methods are not supported,
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Packages as parameters not implemented!\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Packages as parameters not implemented!\n"));
- return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
+ return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
}
else {
/*
* Build a simple object (no nested objects)
*/
- status = acpi_ut_copy_esimple_to_isimple (external_object, internal_object);
+ status =
+ acpi_ut_copy_esimple_to_isimple(external_object,
+ internal_object);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_simple_object
@@ -671,83 +636,75 @@ acpi_ut_copy_eobject_to_iobject (
******************************************************************************/
static acpi_status
-acpi_ut_copy_simple_object (
- union acpi_operand_object *source_desc,
- union acpi_operand_object *dest_desc)
+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;
-
+ 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*/
+ /* Copy the entire source object over the destination object */
- ACPI_MEMCPY ((char *) dest_desc, (char *) source_desc,
- sizeof (union acpi_operand_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;
- /* Handle the objects with extra data */
+ /* New object is not static, regardless of source */
- switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
- case ACPI_TYPE_BUFFER:
+ dest_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
- dest_desc->buffer.node = NULL;
- dest_desc->common.flags = source_desc->common.flags;
+ /* 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 is not static (not in an ACPI table) (in this case,
- * the actual pointer was already copied above)
+ * 2) The buffer has a length > 0
*/
if ((source_desc->buffer.pointer) &&
- (!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
- dest_desc->buffer.pointer = NULL;
-
- /* Create an actual buffer only if length > 0 */
-
- if (source_desc->buffer.length) {
- dest_desc->buffer.pointer =
- ACPI_MEM_ALLOCATE (source_desc->buffer.length);
- if (!dest_desc->buffer.pointer) {
- return (AE_NO_MEMORY);
- }
+ (source_desc->buffer.length)) {
+ dest_desc->buffer.pointer =
+ ACPI_MEM_ALLOCATE(source_desc->buffer.length);
+ if (!dest_desc->buffer.pointer) {
+ return (AE_NO_MEMORY);
+ }
- /* Copy the actual buffer data */
+ /* Copy the actual buffer data */
- ACPI_MEMCPY (dest_desc->buffer.pointer,
- source_desc->buffer.pointer,
- source_desc->buffer.length);
- }
+ 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
- * 2) The string is not static (not in an ACPI table) (in this case,
- * the actual pointer was already copied above)
+ * (Pointer to a NULL string is allowed)
*/
- if ((source_desc->string.pointer) &&
- (!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
+ if (source_desc->string.pointer) {
dest_desc->string.pointer =
- ACPI_MEM_ALLOCATE ((acpi_size) source_desc->string.length + 1);
+ ACPI_MEM_ALLOCATE((acpi_size) source_desc->string.
+ length + 1);
if (!dest_desc->string.pointer) {
return (AE_NO_MEMORY);
}
- ACPI_MEMCPY (dest_desc->string.pointer, source_desc->string.pointer,
- (acpi_size) source_desc->string.length + 1);
+ /* Copy the actual string data */
+
+ ACPI_MEMCPY(dest_desc->string.pointer,
+ source_desc->string.pointer,
+ (acpi_size) source_desc->string.length + 1);
}
break;
@@ -756,7 +713,7 @@ acpi_ut_copy_simple_object (
* We copied the reference object, so we now must add a reference
* to the object pointed to by the reference
*/
- acpi_ut_add_reference (source_desc->reference.object);
+ acpi_ut_add_reference(source_desc->reference.object);
break;
default:
@@ -767,7 +724,6 @@ acpi_ut_copy_simple_object (
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_ielement_to_ielement
@@ -781,24 +737,21 @@ acpi_ut_copy_simple_object (
******************************************************************************/
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_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_status status = AE_OK;
+ u32 this_index;
+ union acpi_operand_object **this_target_ptr;
+ union acpi_operand_object *target_object;
- ACPI_FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY();
-
- this_index = state->pkg.index;
+ this_index = state->pkg.index;
this_target_ptr = (union acpi_operand_object **)
- &state->pkg.dest_object->package.elements[this_index];
+ &state->pkg.dest_object->package.elements[this_index];
switch (object_type) {
case ACPI_COPY_TYPE_SIMPLE:
@@ -809,34 +762,36 @@ acpi_ut_copy_ielement_to_ielement (
/*
* This is a simple object, just copy it
*/
- target_object = acpi_ut_create_internal_object (
- ACPI_GET_OBJECT_TYPE (source_object));
+ 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)) {
+ status =
+ acpi_ut_copy_simple_object(source_object,
+ target_object);
+ if (ACPI_FAILURE(status)) {
goto error_exit;
}
*this_target_ptr = target_object;
- }
- else {
+ } 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_internal_object (ACPI_TYPE_PACKAGE);
+ target_object =
+ acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
if (!target_object) {
return (AE_NO_MEMORY);
}
@@ -848,8 +803,8 @@ acpi_ut_copy_ielement_to_ielement (
* Create the object array
*/
target_object->package.elements =
- ACPI_MEM_CALLOCATE (((acpi_size) source_object->package.count + 1) *
- sizeof (void *));
+ ACPI_MEM_CALLOCATE(((acpi_size) source_object->package.
+ count + 1) * sizeof(void *));
if (!target_object->package.elements) {
status = AE_NO_MEMORY;
goto error_exit;
@@ -866,19 +821,17 @@ acpi_ut_copy_ielement_to_ielement (
*this_target_ptr = target_object;
break;
-
default:
return (AE_BAD_PARAMETER);
}
return (status);
-error_exit:
- acpi_ut_remove_reference (target_object);
+ error_exit:
+ acpi_ut_remove_reference(target_object);
return (status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_ipackage_to_ipackage
@@ -894,49 +847,46 @@ error_exit:
******************************************************************************/
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_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_status status = AE_OK;
- ACPI_FUNCTION_TRACE ("ut_copy_ipackage_to_ipackage");
+ 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->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_MEM_CALLOCATE (
- ((acpi_size) source_obj->package.count + 1) *
- sizeof (void *));
+ dest_obj->package.elements = ACPI_MEM_CALLOCATE(((acpi_size)
+ source_obj->package.
+ count +
+ 1) * sizeof(void *));
if (!dest_obj->package.elements) {
- ACPI_REPORT_ERROR (
- ("aml_build_copy_internal_package_object: Package allocation failure\n"));
- return_ACPI_STATUS (AE_NO_MEMORY);
+ ACPI_REPORT_ERROR(("aml_build_copy_internal_package_object: Package allocation failure\n"));
+ 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)) {
+ 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);
+ acpi_ut_remove_reference(dest_obj);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_iobject_to_iobject
@@ -952,35 +902,31 @@ acpi_ut_copy_ipackage_to_ipackage (
******************************************************************************/
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_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");
+ 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));
+ *dest_desc =
+ acpi_ut_create_internal_object(ACPI_GET_OBJECT_TYPE(source_desc));
if (!*dest_desc) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ 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);
+ 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);
+ return_ACPI_STATUS(status);
}
-
-