return_ACPI_STATUS(AE_NULL_ENTRY);
}
+ /* Prevent wraparound of thread count */
+
+ if (obj_desc->method.thread_count == ACPI_UINT8_MAX) {
+ ACPI_REPORT_ERROR(("Method reached maximum reentrancy limit (255)\n"));
+ return_ACPI_STATUS(AE_AML_METHOD_LIMIT);
+ }
+
/*
* If there is a concurrency limit on this method, we need to
* obtain a unit from the method semaphore.
ACPI_WAIT_FOREVER);
}
+ /*
+ * Allocate an Owner ID for this method, only if this is the first thread
+ * to begin concurrent execution. We only need one owner_id, even if the
+ * method is invoked recursively.
+ */
+ if (!obj_desc->method.owner_id) {
+ status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
/*
* Increment the method parse tree thread count since it has been
* reentered one more time (even if it is the same thread)
return_ACPI_STATUS(AE_NULL_OBJECT);
}
- status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
/* Init for new method, wait on concurrency semaphore */
status = acpi_ds_begin_method_execution(method_node, obj_desc,
}
/*
* The resolved arguments were put on the previous walk state's operand
- * stack. Operands on the previous walk state stack always
- * start at index 0.
- * Null terminate the list of arguments
+ * stack. Operands on the previous walk state stack always
+ * start at index 0. Also, null terminate the list of arguments
*/
this_walk_state->operands[this_walk_state->num_operands] = NULL;
if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
status = obj_desc->method.implementation(next_walk_state);
- return_ACPI_STATUS(status);
}
- return_ACPI_STATUS(AE_OK);
-
- /* On error, we must delete the new walk state */
+ return_ACPI_STATUS(status);
cleanup:
- acpi_ut_release_owner_id(&obj_desc->method.owner_id);
- if (next_walk_state && (next_walk_state->method_desc)) {
- /* Decrement the thread count on the method parse tree */
+ /* Decrement the thread count on the method parse tree */
+ if (next_walk_state && (next_walk_state->method_desc)) {
next_walk_state->method_desc->method.thread_count--;
}
- (void)acpi_ds_terminate_control_method(next_walk_state);
+
+ /* On error, we must delete the new walk state */
+
+ acpi_ds_terminate_control_method(next_walk_state);
acpi_ds_delete_walk_state(next_walk_state);
return_ACPI_STATUS(status);
}
*
* PARAMETERS: walk_state - State of the method
*
- * RETURN: Status
+ * RETURN: None
*
* DESCRIPTION: Terminate a control method. Delete everything that the method
* created, delete all locals and arguments, and delete the parse
*
******************************************************************************/
-acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
+void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
{
union acpi_operand_object *obj_desc;
struct acpi_namespace_node *method_node;
ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state);
if (!walk_state) {
- return (AE_BAD_PARAMETER);
+ return_VOID;
}
/* The current method object was saved in the walk state */
obj_desc = walk_state->method_desc;
if (!obj_desc) {
- return_ACPI_STATUS(AE_OK);
+ return_VOID;
}
/* Delete all arguments and locals */
*/
status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ return_VOID;
}
/* Signal completion of the execution of this method if necessary */
semaphore, 1);
if (ACPI_FAILURE(status)) {
ACPI_REPORT_ERROR(("Could not signal method semaphore\n"));
- status = AE_OK;
/* Ignore error and continue cleanup */
}
"*** Not deleting method namespace, there are still %d threads\n",
walk_state->method_desc->method.
thread_count));
- }
+ } else { /* This is the last executing thread */
- if (!walk_state->method_desc->method.thread_count) {
/*
* Support to dynamically change a method from not_serialized to
* Serialized if it appears that the method is written foolishly and
*/
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto exit;
}
if (method_node->child) {
status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
acpi_ut_release_owner_id(&walk_state->method_desc->method.
owner_id);
-
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
}
- status = acpi_ut_release_mutex(ACPI_MTX_PARSER);
- return_ACPI_STATUS(status);
+ exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_PARSER);
+ return_VOID;
}
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME("rsaddr")
+/* Local prototypes */
+static void
+acpi_rs_decode_general_flags(union acpi_resource_data *resource, u8 flags);
+
+static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource);
+
+static void
+acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags);
+
+static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_decode_general_flags
+ *
+ * PARAMETERS: Resource - Address resource data struct
+ * Flags - Actual flag byte
+ *
+ * RETURN: Decoded flag bits in resource struct
+ *
+ * DESCRIPTION: Decode a general flag byte to an address resource struct
+ *
+ ******************************************************************************/
+
+static void
+acpi_rs_decode_general_flags(union acpi_resource_data *resource, u8 flags)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /* Producer / Consumer - flag bit[0] */
+
+ resource->address.producer_consumer = (u32) (flags & 0x01);
+
+ /* Decode (_DEC) - flag bit[1] */
+
+ resource->address.decode = (u32) ((flags >> 1) & 0x01);
+
+ /* Min Address Fixed (_MIF) - flag bit[2] */
+
+ resource->address.min_address_fixed = (u32) ((flags >> 2) & 0x01);
+
+ /* Max Address Fixed (_MAF) - flag bit[3] */
+
+ resource->address.max_address_fixed = (u32) ((flags >> 3) & 0x01);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_encode_general_flags
+ *
+ * PARAMETERS: Resource - Address resource data struct
+ *
+ * RETURN: Encoded general flag byte
+ *
+ * DESCRIPTION: Construct a general flag byte from an address resource struct
+ *
+ ******************************************************************************/
+
+static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource)
+{
+ u8 flags;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Producer / Consumer - flag bit[0] */
+
+ flags = (u8) (resource->address.producer_consumer & 0x01);
+
+ /* Decode (_DEC) - flag bit[1] */
+
+ flags |= (u8) ((resource->address.decode & 0x01) << 1);
+
+ /* Min Address Fixed (_MIF) - flag bit[2] */
+
+ flags |= (u8) ((resource->address.min_address_fixed & 0x01) << 2);
+
+ /* Max Address Fixed (_MAF) - flag bit[3] */
+
+ flags |= (u8) ((resource->address.max_address_fixed & 0x01) << 3);
+
+ return (flags);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_decode_specific_flags
+ *
+ * PARAMETERS: Resource - Address resource data struct
+ * Flags - Actual flag byte
+ *
+ * RETURN: Decoded flag bits in attribute struct
+ *
+ * DESCRIPTION: Decode a type-specific flag byte to an attribute struct.
+ * Type-specific flags are only defined for the Memory and IO
+ * resource types.
+ *
+ ******************************************************************************/
+
+static void
+acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ if (resource->address.resource_type == ACPI_MEMORY_RANGE) {
+ /* Write Status (_RW) - flag bit[0] */
+
+ resource->address.attribute.memory.read_write_attribute =
+ (u16) (flags & 0x01);
+
+ /* Memory Attributes (_MEM) - flag bits[2:1] */
+
+ resource->address.attribute.memory.cache_attribute =
+ (u16) ((flags >> 1) & 0x03);
+ } else if (resource->address.resource_type == ACPI_IO_RANGE) {
+ /* Ranges (_RNG) - flag bits[1:0] */
+
+ resource->address.attribute.io.range_attribute =
+ (u16) (flags & 0x03);
+
+ /* Translations (_TTP and _TRS) - flag bits[5:4] */
+
+ resource->address.attribute.io.translation_attribute =
+ (u16) ((flags >> 4) & 0x03);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_encode_specific_flags
+ *
+ * PARAMETERS: Resource - Address resource data struct
+ *
+ * RETURN: Encoded type-specific flag byte
+ *
+ * DESCRIPTION: Construct a type-specific flag byte from an attribute struct.
+ * Type-specific flags are only defined for the Memory and IO
+ * resource types.
+ *
+ ******************************************************************************/
+
+static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource)
+{
+ u8 flags = 0;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (resource->address.resource_type == ACPI_MEMORY_RANGE) {
+ /* Write Status (_RW) - flag bit[0] */
+
+ flags = (u8)
+ (resource->address.attribute.memory.
+ read_write_attribute & 0x01);
+
+ /* Memory Attributes (_MEM) - flag bits[2:1] */
+
+ flags |= (u8)
+ ((resource->address.attribute.memory.
+ cache_attribute & 0x03) << 1);
+ } else if (resource->address.resource_type == ACPI_IO_RANGE) {
+ /* Ranges (_RNG) - flag bits[1:0] */
+
+ flags = (u8)
+ (resource->address.attribute.io.range_attribute & 0x03);
+
+ /* Translations (_TTP and _TRS) - flag bits[5:4] */
+
+ flags |= (u8)
+ ((resource->address.attribute.io.
+ translation_attribute & 0x03) << 4);
+ }
+
+ return (flags);
+}
+
/*******************************************************************************
*
* FUNCTION: acpi_rs_address16_resource
* number of bytes consumed from the byte stream.
*
******************************************************************************/
+
acpi_status
acpi_rs_address16_resource(u8 * byte_stream_buffer,
acpi_size * bytes_consumed,
ACPI_FUNCTION_TRACE("rs_address16_resource");
- /* Point past the Descriptor to get the number of bytes consumed */
+ /* Get the Descriptor Length field */
buffer += 1;
ACPI_MOVE_16_TO_16(&temp16, buffer);
/* Get the General Flags (Byte4) */
buffer += 1;
- temp8 = *buffer;
-
- /* Producer / Consumer */
-
- output_struct->data.address16.producer_consumer = temp8 & 0x01;
-
- /* Decode */
-
- output_struct->data.address16.decode = (temp8 >> 1) & 0x01;
-
- /* Min Address Fixed */
-
- output_struct->data.address16.min_address_fixed = (temp8 >> 2) & 0x01;
-
- /* Max Address Fixed */
-
- output_struct->data.address16.max_address_fixed = (temp8 >> 3) & 0x01;
+ acpi_rs_decode_general_flags(&output_struct->data, *buffer);
/* Get the Type Specific Flags (Byte5) */
buffer += 1;
- temp8 = *buffer;
-
- if (ACPI_MEMORY_RANGE == output_struct->data.address16.resource_type) {
- output_struct->data.address16.attribute.memory.
- read_write_attribute = (u16) (temp8 & 0x01);
- output_struct->data.address16.attribute.memory.cache_attribute =
- (u16) ((temp8 >> 1) & 0x03);
- } else {
- if (ACPI_IO_RANGE ==
- output_struct->data.address16.resource_type) {
- output_struct->data.address16.attribute.io.
- range_attribute = (u16) (temp8 & 0x03);
- output_struct->data.address16.attribute.io.
- translation_attribute = (u16) ((temp8 >> 4) & 0x03);
- } else {
- /* BUS_NUMBER_RANGE == Address16.Data->resource_type */
- /* Nothing needs to be filled in */
- }
- }
+ acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
/* Get Granularity (Bytes 6-7) */
if (*bytes_consumed > (16 + 1)) {
/* Dereference the Index */
- temp8 = *buffer;
output_struct->data.address16.resource_source.index =
- (u32) temp8;
+ (u32) * buffer;
/* Point to the String */
temp_ptr = (u8 *)
output_struct->data.address16.resource_source.string_ptr;
- /* Copy the string into the buffer */
+ /* Copy the resource_source string into the buffer */
index = 0;
-
- while (0x00 != *buffer) {
+ while (*buffer) {
*temp_ptr = *buffer;
- temp_ptr += 1;
- buffer += 1;
- index += 1;
+ temp_ptr++;
+ buffer++;
+ index++;
}
- /* Add the terminating null */
-
- *temp_ptr = 0x00;
+ /* Add the terminating null and set the string length */
+ *temp_ptr = 0;
output_struct->data.address16.resource_source.string_length =
index + 1;
temp8 = (u8) (index + 1);
struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
} else {
- output_struct->data.address16.resource_source.index = 0x00;
+ output_struct->data.address16.resource_source.index = 0;
output_struct->data.address16.resource_source.string_length = 0;
output_struct->data.address16.resource_source.string_ptr = NULL;
}
{
u8 *buffer = *output_buffer;
u8 *length_field;
- u8 temp8;
- char *temp_pointer = NULL;
acpi_size actual_bytes;
ACPI_FUNCTION_TRACE("rs_address16_stream");
- /* The descriptor field is static */
+ /* Set the Descriptor Type field */
- *buffer = 0x88;
+ *buffer = ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE;
buffer += 1;
/* Save a pointer to the Length field - to be filled in later */
/* Set the Resource Type (Memory, Io, bus_number) */
- temp8 = (u8) (linked_list->data.address16.resource_type & 0x03);
- *buffer = temp8;
+ *buffer = (u8) (linked_list->data.address16.resource_type & 0x03);
buffer += 1;
/* Set the general flags */
- temp8 = (u8) (linked_list->data.address16.producer_consumer & 0x01);
-
- temp8 |= (linked_list->data.address16.decode & 0x01) << 1;
- temp8 |= (linked_list->data.address16.min_address_fixed & 0x01) << 2;
- temp8 |= (linked_list->data.address16.max_address_fixed & 0x01) << 3;
-
- *buffer = temp8;
+ *buffer = acpi_rs_encode_general_flags(&linked_list->data);
buffer += 1;
/* Set the type specific flags */
- temp8 = 0;
-
- if (ACPI_MEMORY_RANGE == linked_list->data.address16.resource_type) {
- temp8 = (u8)
- (linked_list->data.address16.attribute.memory.
- read_write_attribute & 0x01);
-
- temp8 |=
- (linked_list->data.address16.attribute.memory.
- cache_attribute & 0x03) << 1;
- } else if (ACPI_IO_RANGE == linked_list->data.address16.resource_type) {
- temp8 = (u8)
- (linked_list->data.address16.attribute.io.range_attribute &
- 0x03);
- temp8 |=
- (linked_list->data.address16.attribute.io.
- translation_attribute & 0x03) << 4;
- }
-
- *buffer = temp8;
+ *buffer = acpi_rs_encode_specific_flags(&linked_list->data);
buffer += 1;
/* Set the address space granularity */
/* Resource Source Index and Resource Source are optional */
- if (0 != linked_list->data.address16.resource_source.string_length) {
- temp8 = (u8) linked_list->data.address16.resource_source.index;
-
- *buffer = temp8;
+ if (linked_list->data.address16.resource_source.string_length) {
+ *buffer =
+ (u8) linked_list->data.address16.resource_source.index;
buffer += 1;
- temp_pointer = (char *)buffer;
-
- /* Copy the string */
+ /* Copy the resource_source string */
- ACPI_STRCPY(temp_pointer,
+ ACPI_STRCPY((char *)buffer,
linked_list->data.address16.resource_source.
string_ptr);
/*
- * Buffer needs to be set to the length of the sting + one for the
+ * Buffer needs to be set to the length of the string + one for the
* terminating null
*/
buffer +=
acpi_size * bytes_consumed,
u8 ** output_buffer, acpi_size * structure_size)
{
- u8 *buffer;
- struct acpi_resource *output_struct = (void *)*output_buffer;
u16 temp16;
u8 temp8;
u8 *temp_ptr;
- acpi_size struct_size;
u32 index;
+ u8 *buffer = byte_stream_buffer;
+ struct acpi_resource *output_struct = (void *)*output_buffer;
+ acpi_size struct_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32);
ACPI_FUNCTION_TRACE("rs_address32_resource");
- buffer = byte_stream_buffer;
- struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32);
-
- /* Point past the Descriptor to get the number of bytes consumed */
+ /* Get the Descriptor Length field */
buffer += 1;
ACPI_MOVE_16_TO_16(&temp16, buffer);
/* Get the General Flags (Byte4) */
buffer += 1;
- temp8 = *buffer;
-
- /* Producer / Consumer */
-
- output_struct->data.address32.producer_consumer = temp8 & 0x01;
-
- /* Decode */
-
- output_struct->data.address32.decode = (temp8 >> 1) & 0x01;
-
- /* Min Address Fixed */
-
- output_struct->data.address32.min_address_fixed = (temp8 >> 2) & 0x01;
-
- /* Max Address Fixed */
-
- output_struct->data.address32.max_address_fixed = (temp8 >> 3) & 0x01;
+ acpi_rs_decode_general_flags(&output_struct->data, *buffer);
/* Get the Type Specific Flags (Byte5) */
buffer += 1;
- temp8 = *buffer;
-
- if (ACPI_MEMORY_RANGE == output_struct->data.address32.resource_type) {
- output_struct->data.address32.attribute.memory.
- read_write_attribute = (u16) (temp8 & 0x01);
-
- output_struct->data.address32.attribute.memory.cache_attribute =
- (u16) ((temp8 >> 1) & 0x03);
- } else {
- if (ACPI_IO_RANGE ==
- output_struct->data.address32.resource_type) {
- output_struct->data.address32.attribute.io.
- range_attribute = (u16) (temp8 & 0x03);
- output_struct->data.address32.attribute.io.
- translation_attribute = (u16) ((temp8 >> 4) & 0x03);
- } else {
- /* BUS_NUMBER_RANGE == output_struct->Data.Address32.resource_type */
- /* Nothing needs to be filled in */
- }
- }
+ acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
/* Get Granularity (Bytes 6-9) */
if (*bytes_consumed > (26 + 1)) {
/* Dereference the Index */
- temp8 = *buffer;
output_struct->data.address32.resource_source.index =
- (u32) temp8;
+ (u32) * buffer;
/* Point to the String */
temp_ptr = (u8 *)
output_struct->data.address32.resource_source.string_ptr;
- /* Copy the string into the buffer */
+ /* Copy the resource_source string into the buffer */
index = 0;
- while (0x00 != *buffer) {
+ while (*buffer) {
*temp_ptr = *buffer;
- temp_ptr += 1;
- buffer += 1;
- index += 1;
+ temp_ptr++;
+ buffer++;
+ index++;
}
- /* Add the terminating null */
+ /* Add the terminating null and set the string length */
- *temp_ptr = 0x00;
+ *temp_ptr = 0;
output_struct->data.address32.resource_source.string_length =
index + 1;
temp8 = (u8) (index + 1);
struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
} else {
- output_struct->data.address32.resource_source.index = 0x00;
+ output_struct->data.address32.resource_source.index = 0;
output_struct->data.address32.resource_source.string_length = 0;
output_struct->data.address32.resource_source.string_ptr = NULL;
}
{
u8 *buffer;
u16 *length_field;
- u8 temp8;
- char *temp_pointer;
ACPI_FUNCTION_TRACE("rs_address32_stream");
buffer = *output_buffer;
- /* The descriptor field is static */
+ /* Set the Descriptor Type field */
- *buffer = 0x87;
+ *buffer = ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE;
buffer += 1;
- /* Set a pointer to the Length field - to be filled in later */
+ /* Save a pointer to the Length field - to be filled in later */
length_field = ACPI_CAST_PTR(u16, buffer);
buffer += 2;
/* Set the Resource Type (Memory, Io, bus_number) */
- temp8 = (u8) (linked_list->data.address32.resource_type & 0x03);
-
- *buffer = temp8;
+ *buffer = (u8) (linked_list->data.address32.resource_type & 0x03);
buffer += 1;
/* Set the general flags */
- temp8 = (u8) (linked_list->data.address32.producer_consumer & 0x01);
- temp8 |= (linked_list->data.address32.decode & 0x01) << 1;
- temp8 |= (linked_list->data.address32.min_address_fixed & 0x01) << 2;
- temp8 |= (linked_list->data.address32.max_address_fixed & 0x01) << 3;
-
- *buffer = temp8;
+ *buffer = acpi_rs_encode_general_flags(&linked_list->data);
buffer += 1;
/* Set the type specific flags */
- temp8 = 0;
-
- if (ACPI_MEMORY_RANGE == linked_list->data.address32.resource_type) {
- temp8 = (u8)
- (linked_list->data.address32.attribute.memory.
- read_write_attribute & 0x01);
-
- temp8 |=
- (linked_list->data.address32.attribute.memory.
- cache_attribute & 0x03) << 1;
- } else if (ACPI_IO_RANGE == linked_list->data.address32.resource_type) {
- temp8 = (u8)
- (linked_list->data.address32.attribute.io.range_attribute &
- 0x03);
- temp8 |=
- (linked_list->data.address32.attribute.io.
- translation_attribute & 0x03) << 4;
- }
-
- *buffer = temp8;
+ *buffer = acpi_rs_encode_specific_flags(&linked_list->data);
buffer += 1;
/* Set the address space granularity */
/* Resource Source Index and Resource Source are optional */
- if (0 != linked_list->data.address32.resource_source.string_length) {
- temp8 = (u8) linked_list->data.address32.resource_source.index;
-
- *buffer = temp8;
+ if (linked_list->data.address32.resource_source.string_length) {
+ *buffer =
+ (u8) linked_list->data.address32.resource_source.index;
buffer += 1;
- temp_pointer = (char *)buffer;
-
- /* Copy the string */
+ /* Copy the resource_source string */
- ACPI_STRCPY(temp_pointer,
+ ACPI_STRCPY((char *)buffer,
linked_list->data.address32.resource_source.
string_ptr);
/*
- * Buffer needs to be set to the length of the sting + one for the
+ * Buffer needs to be set to the length of the string + one for the
* terminating null
*/
buffer +=
/*
* Set the length field to the number of bytes consumed
- * minus the header size (3 bytes)
+ * minus the header size (3 bytes)
*/
*length_field = (u16) (*bytes_consumed - 3);
return_ACPI_STATUS(AE_OK);
acpi_size * bytes_consumed,
u8 ** output_buffer, acpi_size * structure_size)
{
- u8 *buffer;
- struct acpi_resource *output_struct = (void *)*output_buffer;
u16 temp16;
u8 temp8;
u8 resource_type;
u8 *temp_ptr;
- acpi_size struct_size;
u32 index;
+ u8 *buffer = byte_stream_buffer;
+ struct acpi_resource *output_struct = (void *)*output_buffer;
+ acpi_size struct_size =
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64);
ACPI_FUNCTION_TRACE("rs_address64_resource");
- buffer = byte_stream_buffer;
- struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64);
+ /* Get the Descriptor Type */
+
resource_type = *buffer;
- /* Point past the Descriptor to get the number of bytes consumed */
+ /* Get the Descriptor Length field */
buffer += 1;
ACPI_MOVE_16_TO_16(&temp16, buffer);
/* Get the General Flags (Byte4) */
buffer += 1;
- temp8 = *buffer;
-
- /* Producer / Consumer */
-
- output_struct->data.address64.producer_consumer = temp8 & 0x01;
-
- /* Decode */
-
- output_struct->data.address64.decode = (temp8 >> 1) & 0x01;
-
- /* Min Address Fixed */
-
- output_struct->data.address64.min_address_fixed = (temp8 >> 2) & 0x01;
-
- /* Max Address Fixed */
-
- output_struct->data.address64.max_address_fixed = (temp8 >> 3) & 0x01;
+ acpi_rs_decode_general_flags(&output_struct->data, *buffer);
/* Get the Type Specific Flags (Byte5) */
buffer += 1;
- temp8 = *buffer;
-
- if (ACPI_MEMORY_RANGE == output_struct->data.address64.resource_type) {
- output_struct->data.address64.attribute.memory.
- read_write_attribute = (u16) (temp8 & 0x01);
-
- output_struct->data.address64.attribute.memory.cache_attribute =
- (u16) ((temp8 >> 1) & 0x03);
- } else {
- if (ACPI_IO_RANGE ==
- output_struct->data.address64.resource_type) {
- output_struct->data.address64.attribute.io.
- range_attribute = (u16) (temp8 & 0x03);
- output_struct->data.address64.attribute.io.
- translation_attribute = (u16) ((temp8 >> 4) & 0x03);
- } else {
- /* BUS_NUMBER_RANGE == output_struct->Data.Address64.resource_type */
- /* Nothing needs to be filled in */
- }
- }
+ acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) {
/* Move past revision_id and Reserved byte */
ACPI_MOVE_64_TO_64(&output_struct->data.address64.address_length,
buffer);
- output_struct->data.address64.resource_source.index = 0x00;
+ output_struct->data.address64.resource_source.index = 0;
output_struct->data.address64.resource_source.string_length = 0;
output_struct->data.address64.resource_source.string_ptr = NULL;
if (*bytes_consumed > (46 + 1)) {
/* Dereference the Index */
- temp8 = *buffer;
output_struct->data.address64.resource_source.index =
- (u32) temp8;
+ (u32) * buffer;
/* Point to the String */
output_struct->data.address64.resource_source.
string_ptr;
- /* Copy the string into the buffer */
+ /* Copy the resource_source string into the buffer */
index = 0;
- while (0x00 != *buffer) {
+ while (*buffer) {
*temp_ptr = *buffer;
- temp_ptr += 1;
- buffer += 1;
- index += 1;
+ temp_ptr++;
+ buffer++;
+ index++;
}
/*
- * Add the terminating null
+ * Add the terminating null and set the string length
*/
- *temp_ptr = 0x00;
+ *temp_ptr = 0;
output_struct->data.address64.resource_source.
string_length = index + 1;
{
u8 *buffer;
u16 *length_field;
- u8 temp8;
- char *temp_pointer;
ACPI_FUNCTION_TRACE("rs_address64_stream");
buffer = *output_buffer;
- /* The descriptor field is static */
+ /* Set the Descriptor Type field */
- *buffer = 0x8A;
+ *buffer = ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE;
buffer += 1;
- /* Set a pointer to the Length field - to be filled in later */
+ /* Save a pointer to the Length field - to be filled in later */
length_field = ACPI_CAST_PTR(u16, buffer);
buffer += 2;
/* Set the Resource Type (Memory, Io, bus_number) */
- temp8 = (u8) (linked_list->data.address64.resource_type & 0x03);
-
- *buffer = temp8;
+ *buffer = (u8) (linked_list->data.address64.resource_type & 0x03);
buffer += 1;
/* Set the general flags */
- temp8 = (u8) (linked_list->data.address64.producer_consumer & 0x01);
- temp8 |= (linked_list->data.address64.decode & 0x01) << 1;
- temp8 |= (linked_list->data.address64.min_address_fixed & 0x01) << 2;
- temp8 |= (linked_list->data.address64.max_address_fixed & 0x01) << 3;
-
- *buffer = temp8;
+ *buffer = acpi_rs_encode_general_flags(&linked_list->data);
buffer += 1;
/* Set the type specific flags */
- temp8 = 0;
-
- if (ACPI_MEMORY_RANGE == linked_list->data.address64.resource_type) {
- temp8 = (u8)
- (linked_list->data.address64.attribute.memory.
- read_write_attribute & 0x01);
-
- temp8 |=
- (linked_list->data.address64.attribute.memory.
- cache_attribute & 0x03) << 1;
- } else if (ACPI_IO_RANGE == linked_list->data.address64.resource_type) {
- temp8 = (u8)
- (linked_list->data.address64.attribute.io.range_attribute &
- 0x03);
- temp8 |=
- (linked_list->data.address64.attribute.io.range_attribute &
- 0x03) << 4;
- }
-
- *buffer = temp8;
+ *buffer = acpi_rs_encode_specific_flags(&linked_list->data);
buffer += 1;
/* Set the address space granularity */
/* Resource Source Index and Resource Source are optional */
- if (0 != linked_list->data.address64.resource_source.string_length) {
- temp8 = (u8) linked_list->data.address64.resource_source.index;
-
- *buffer = temp8;
+ if (linked_list->data.address64.resource_source.string_length) {
+ *buffer =
+ (u8) linked_list->data.address64.resource_source.index;
buffer += 1;
- temp_pointer = (char *)buffer;
-
- /* Copy the string */
+ /* Copy the resource_source string */
- ACPI_STRCPY(temp_pointer,
+ ACPI_STRCPY((char *)buffer,
linked_list->data.address64.resource_source.
string_ptr);
/*
- * Buffer needs to be set to the length of the sting + one for the
+ * Buffer needs to be set to the length of the string + one for the
* terminating null
*/
buffer +=
projects / linux-2.6 / commitdiff