diff options
Diffstat (limited to 'drivers/acpi/utilities/utcopy.c')
| -rw-r--r-- | drivers/acpi/utilities/utcopy.c | 592 |
1 files changed, 269 insertions, 323 deletions
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c index 11e884957162..5442b32de611 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); } - - |