*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acparser.h>
#include <acpi/amlcode.h>
#include <acpi/acevents.h>
#define _COMPONENT ACPI_DISPATCHER
- ACPI_MODULE_NAME ("dsopcode")
-
+ACPI_MODULE_NAME("dsopcode")
+
+/* Local prototypes */
+static acpi_status
+acpi_ds_execute_arguments(struct acpi_namespace_node *node,
+ struct acpi_namespace_node *scope_node,
+ u32 aml_length, u8 * aml_start);
+
+static acpi_status
+acpi_ds_init_buffer_field(u16 aml_opcode,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object *buffer_desc,
+ union acpi_operand_object *offset_desc,
+ union acpi_operand_object *length_desc,
+ union acpi_operand_object *result_desc);
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_execute_arguments
*
- * PARAMETERS: Node - Parent NS node
+ * PARAMETERS: Node - Object NS node
+ * scope_node - Parent NS node
* aml_length - Length of executable AML
* aml_start - Pointer to the AML
*
*
* DESCRIPTION: Late (deferred) execution of region or field arguments
*
- ****************************************************************************/
+ ******************************************************************************/
-acpi_status
-acpi_ds_execute_arguments (
- struct acpi_namespace_node *node,
- struct acpi_namespace_node *scope_node,
- u32 aml_length,
- u8 *aml_start)
+static acpi_status
+acpi_ds_execute_arguments(struct acpi_namespace_node *node,
+ struct acpi_namespace_node *scope_node,
+ u32 aml_length, u8 * aml_start)
{
- acpi_status status;
- union acpi_parse_object *op;
- struct acpi_walk_state *walk_state;
-
-
- ACPI_FUNCTION_TRACE ("ds_execute_arguments");
+ acpi_status status;
+ union acpi_parse_object *op;
+ struct acpi_walk_state *walk_state;
+ ACPI_FUNCTION_TRACE("ds_execute_arguments");
/*
* Allocate a new parser op to be the root of the parsed tree
*/
- op = acpi_ps_alloc_op (AML_INT_EVAL_SUBTREE_OP);
+ op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
if (!op) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Save the Node for use in acpi_ps_parse_aml */
/* Create and initialize a new parser state */
- walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
+ walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
if (!walk_state) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ status = AE_NO_MEMORY;
+ goto cleanup;
}
- status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
- aml_length, NULL, 1);
- if (ACPI_FAILURE (status)) {
- acpi_ds_delete_walk_state (walk_state);
- return_ACPI_STATUS (status);
+ status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
+ aml_length, NULL, 1);
+ if (ACPI_FAILURE(status)) {
+ acpi_ds_delete_walk_state(walk_state);
+ goto cleanup;
}
/* Mark this parse as a deferred opcode */
/* Pass1: Parse the entire declaration */
- status = acpi_ps_parse_aml (walk_state);
- if (ACPI_FAILURE (status)) {
- acpi_ps_delete_parse_tree (op);
- return_ACPI_STATUS (status);
+ status = acpi_ps_parse_aml(walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
}
/* Get and init the Op created above */
op->common.node = node;
- acpi_ps_delete_parse_tree (op);
+ acpi_ps_delete_parse_tree(op);
/* Evaluate the deferred arguments */
- op = acpi_ps_alloc_op (AML_INT_EVAL_SUBTREE_OP);
+ op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
if (!op) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
op->common.node = scope_node;
/* Create and initialize a new parser state */
- walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
+ walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
if (!walk_state) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ status = AE_NO_MEMORY;
+ goto cleanup;
}
/* Execute the opcode and arguments */
- status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
- aml_length, NULL, 3);
- if (ACPI_FAILURE (status)) {
- acpi_ds_delete_walk_state (walk_state);
- return_ACPI_STATUS (status);
+ status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
+ aml_length, NULL, 3);
+ if (ACPI_FAILURE(status)) {
+ acpi_ds_delete_walk_state(walk_state);
+ goto cleanup;
}
/* Mark this execution as a deferred opcode */
walk_state->deferred_node = node;
- status = acpi_ps_parse_aml (walk_state);
- acpi_ps_delete_parse_tree (op);
- return_ACPI_STATUS (status);
-}
+ status = acpi_ps_parse_aml(walk_state);
+ cleanup:
+ acpi_ps_delete_parse_tree(op);
+ return_ACPI_STATUS(status);
+}
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_get_buffer_field_arguments
*
* DESCRIPTION: Get buffer_field Buffer and Index. This implements the late
* evaluation of these field attributes.
*
- ****************************************************************************/
+ ******************************************************************************/
acpi_status
-acpi_ds_get_buffer_field_arguments (
- union acpi_operand_object *obj_desc)
+acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
{
- union acpi_operand_object *extra_desc;
- struct acpi_namespace_node *node;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_get_buffer_field_arguments", obj_desc);
+ union acpi_operand_object *extra_desc;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_field_arguments", obj_desc);
if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Get the AML pointer (method object) and buffer_field node */
- extra_desc = acpi_ns_get_secondary_object (obj_desc);
+ extra_desc = acpi_ns_get_secondary_object(obj_desc);
node = obj_desc->buffer_field.node;
- ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_BUFFER_FIELD, node, NULL));
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] buffer_field Arg Init\n",
- acpi_ut_get_node_name (node)));
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_BUFFER_FIELD, node, NULL));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] buffer_field Arg Init\n",
+ acpi_ut_get_node_name(node)));
/* Execute the AML code for the term_arg arguments */
- status = acpi_ds_execute_arguments (node, acpi_ns_get_parent_node (node),
- extra_desc->extra.aml_length, extra_desc->extra.aml_start);
- return_ACPI_STATUS (status);
+ status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+ extra_desc->extra.aml_length,
+ extra_desc->extra.aml_start);
+ return_ACPI_STATUS(status);
}
-
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_get_buffer_arguments
*
* DESCRIPTION: Get Buffer length and initializer byte list. This implements
* the late evaluation of these attributes.
*
- ****************************************************************************/
+ ******************************************************************************/
-acpi_status
-acpi_ds_get_buffer_arguments (
- union acpi_operand_object *obj_desc)
+acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
{
- struct acpi_namespace_node *node;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_get_buffer_arguments", obj_desc);
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_arguments", obj_desc);
if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Get the Buffer node */
node = obj_desc->buffer.node;
if (!node) {
- ACPI_REPORT_ERROR ((
- "No pointer back to NS node in buffer obj %p\n", obj_desc));
- return_ACPI_STATUS (AE_AML_INTERNAL);
+ ACPI_ERROR((AE_INFO,
+ "No pointer back to NS node in buffer obj %p",
+ obj_desc));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer Arg Init\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Buffer Arg Init\n"));
/* Execute the AML code for the term_arg arguments */
- status = acpi_ds_execute_arguments (node, node,
- obj_desc->buffer.aml_length, obj_desc->buffer.aml_start);
- return_ACPI_STATUS (status);
+ status = acpi_ds_execute_arguments(node, node,
+ obj_desc->buffer.aml_length,
+ obj_desc->buffer.aml_start);
+ return_ACPI_STATUS(status);
}
-
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_get_package_arguments
*
* DESCRIPTION: Get Package length and initializer byte list. This implements
* the late evaluation of these attributes.
*
- ****************************************************************************/
+ ******************************************************************************/
-acpi_status
-acpi_ds_get_package_arguments (
- union acpi_operand_object *obj_desc)
+acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
{
- struct acpi_namespace_node *node;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_get_package_arguments", obj_desc);
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_PTR("ds_get_package_arguments", obj_desc);
if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Get the Package node */
node = obj_desc->package.node;
if (!node) {
- ACPI_REPORT_ERROR ((
- "No pointer back to NS node in package %p\n", obj_desc));
- return_ACPI_STATUS (AE_AML_INTERNAL);
+ ACPI_ERROR((AE_INFO,
+ "No pointer back to NS node in package %p",
+ obj_desc));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package Arg Init\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Package Arg Init\n"));
/* Execute the AML code for the term_arg arguments */
- status = acpi_ds_execute_arguments (node, node,
- obj_desc->package.aml_length, obj_desc->package.aml_start);
- return_ACPI_STATUS (status);
+ status = acpi_ds_execute_arguments(node, node,
+ obj_desc->package.aml_length,
+ obj_desc->package.aml_start);
+ return_ACPI_STATUS(status);
}
-
/*****************************************************************************
*
* FUNCTION: acpi_ds_get_region_arguments
*
****************************************************************************/
-acpi_status
-acpi_ds_get_region_arguments (
- union acpi_operand_object *obj_desc)
+acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
{
- struct acpi_namespace_node *node;
- acpi_status status;
- union acpi_operand_object *extra_desc;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_get_region_arguments", obj_desc);
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ union acpi_operand_object *extra_desc;
+ ACPI_FUNCTION_TRACE_PTR("ds_get_region_arguments", obj_desc);
if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
- extra_desc = acpi_ns_get_secondary_object (obj_desc);
+ extra_desc = acpi_ns_get_secondary_object(obj_desc);
if (!extra_desc) {
- return_ACPI_STATUS (AE_NOT_EXIST);
+ return_ACPI_STATUS(AE_NOT_EXIST);
}
/* Get the Region node */
node = obj_desc->region.node;
- ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_REGION, node, NULL));
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_REGION, node, NULL));
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] op_region Arg Init at AML %p\n",
- acpi_ut_get_node_name (node), extra_desc->extra.aml_start));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[%4.4s] op_region Arg Init at AML %p\n",
+ acpi_ut_get_node_name(node),
+ extra_desc->extra.aml_start));
/* Execute the argument AML */
- status = acpi_ds_execute_arguments (node, acpi_ns_get_parent_node (node),
- extra_desc->extra.aml_length, extra_desc->extra.aml_start);
- return_ACPI_STATUS (status);
+ status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+ extra_desc->extra.aml_length,
+ extra_desc->extra.aml_start);
+ return_ACPI_STATUS(status);
}
-
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_initialize_region
*
- * PARAMETERS: Op - A valid region Op object
+ * PARAMETERS: obj_handle - Region namespace node
*
* RETURN: Status
*
* DESCRIPTION: Front end to ev_initialize_region
*
- ****************************************************************************/
+ ******************************************************************************/
-acpi_status
-acpi_ds_initialize_region (
- acpi_handle obj_handle)
+acpi_status acpi_ds_initialize_region(acpi_handle obj_handle)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
-
- obj_desc = acpi_ns_get_attached_object (obj_handle);
+ obj_desc = acpi_ns_get_attached_object(obj_handle);
/* Namespace is NOT locked */
- status = acpi_ev_initialize_region (obj_desc, FALSE);
+ status = acpi_ev_initialize_region(obj_desc, FALSE);
return (status);
}
-
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_init_buffer_field
*
* obj_desc - buffer_field object
* buffer_desc - Host Buffer
* offset_desc - Offset into buffer
- * Length - Length of field (CREATE_FIELD_OP only)
- * Result - Where to store the result
+ * length_desc - Length of field (CREATE_FIELD_OP only)
+ * result_desc - Where to store the result
*
* RETURN: Status
*
* DESCRIPTION: Perform actual initialization of a buffer field
*
- ****************************************************************************/
+ ******************************************************************************/
-acpi_status
-acpi_ds_init_buffer_field (
- u16 aml_opcode,
- union acpi_operand_object *obj_desc,
- union acpi_operand_object *buffer_desc,
- union acpi_operand_object *offset_desc,
- union acpi_operand_object *length_desc,
- union acpi_operand_object *result_desc)
+static acpi_status
+acpi_ds_init_buffer_field(u16 aml_opcode,
+ union acpi_operand_object *obj_desc,
+ union acpi_operand_object *buffer_desc,
+ union acpi_operand_object *offset_desc,
+ union acpi_operand_object *length_desc,
+ union acpi_operand_object *result_desc)
{
- u32 offset;
- u32 bit_offset;
- u32 bit_count;
- u8 field_flags;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_init_buffer_field", obj_desc);
+ u32 offset;
+ u32 bit_offset;
+ u32 bit_count;
+ u8 field_flags;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_PTR("ds_init_buffer_field", obj_desc);
/* Host object must be a Buffer */
- if (ACPI_GET_OBJECT_TYPE (buffer_desc) != ACPI_TYPE_BUFFER) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Target of Create Field is not a Buffer object - %s\n",
- acpi_ut_get_object_type_name (buffer_desc)));
+ if (ACPI_GET_OBJECT_TYPE(buffer_desc) != ACPI_TYPE_BUFFER) {
+ ACPI_ERROR((AE_INFO,
+ "Target of Create Field is not a Buffer object - %s",
+ acpi_ut_get_object_type_name(buffer_desc)));
status = AE_AML_OPERAND_TYPE;
goto cleanup;
* out as a name_string, and should therefore now be a NS node
* after resolution in acpi_ex_resolve_operands().
*/
- if (ACPI_GET_DESCRIPTOR_TYPE (result_desc) != ACPI_DESC_TYPE_NAMED) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) destination not a NS Node [%s]\n",
- acpi_ps_get_opcode_name (aml_opcode), acpi_ut_get_descriptor_name (result_desc)));
+ if (ACPI_GET_DESCRIPTOR_TYPE(result_desc) != ACPI_DESC_TYPE_NAMED) {
+ ACPI_ERROR((AE_INFO,
+ "(%s) destination not a NS Node [%s]",
+ acpi_ps_get_opcode_name(aml_opcode),
+ acpi_ut_get_descriptor_name(result_desc)));
status = AE_AML_OPERAND_TYPE;
goto cleanup;
/* Offset is in bits, count is in bits */
- bit_offset = offset;
- bit_count = (u32) length_desc->integer.value;
field_flags = AML_FIELD_ACCESS_BYTE;
+ bit_offset = offset;
+ bit_count = (u32) length_desc->integer.value;
+
+ /* Must have a valid (>0) bit count */
+
+ if (bit_count == 0) {
+ ACPI_ERROR((AE_INFO,
+ "Attempt to create_field of length zero"));
+ status = AE_AML_OPERAND_VALUE;
+ goto cleanup;
+ }
break;
case AML_CREATE_BIT_FIELD_OP:
/* Offset is in bits, Field is one bit */
bit_offset = offset;
- bit_count = 1;
+ bit_count = 1;
field_flags = AML_FIELD_ACCESS_BYTE;
break;
/* Offset is in bytes, field is one byte */
bit_offset = 8 * offset;
- bit_count = 8;
+ bit_count = 8;
field_flags = AML_FIELD_ACCESS_BYTE;
break;
/* Offset is in bytes, field is one word */
bit_offset = 8 * offset;
- bit_count = 16;
+ bit_count = 16;
field_flags = AML_FIELD_ACCESS_WORD;
break;
/* Offset is in bytes, field is one dword */
bit_offset = 8 * offset;
- bit_count = 32;
+ bit_count = 32;
field_flags = AML_FIELD_ACCESS_DWORD;
break;
/* Offset is in bytes, field is one qword */
bit_offset = 8 * offset;
- bit_count = 64;
+ bit_count = 64;
field_flags = AML_FIELD_ACCESS_QWORD;
break;
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unknown field creation opcode %02x\n",
- aml_opcode));
+ ACPI_ERROR((AE_INFO,
+ "Unknown field creation opcode %02x", aml_opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
/* Entire field must fit within the current length of the buffer */
- if ((bit_offset + bit_count) >
- (8 * (u32) buffer_desc->buffer.length)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Field [%4.4s] size %d exceeds Buffer [%4.4s] size %d (bits)\n",
- acpi_ut_get_node_name (result_desc),
- bit_offset + bit_count,
- acpi_ut_get_node_name (buffer_desc->buffer.node),
- 8 * (u32) buffer_desc->buffer.length));
+ if ((bit_offset + bit_count) > (8 * (u32) buffer_desc->buffer.length)) {
+ ACPI_ERROR((AE_INFO,
+ "Field [%4.4s] at %d exceeds Buffer [%4.4s] size %d (bits)",
+ acpi_ut_get_node_name(result_desc),
+ bit_offset + bit_count,
+ acpi_ut_get_node_name(buffer_desc->buffer.node),
+ 8 * (u32) buffer_desc->buffer.length));
status = AE_AML_BUFFER_LIMIT;
goto cleanup;
}
/*
* Initialize areas of the field object that are common to all fields
- * For field_flags, use LOCK_RULE = 0 (NO_LOCK), UPDATE_RULE = 0 (UPDATE_PRESERVE)
+ * For field_flags, use LOCK_RULE = 0 (NO_LOCK),
+ * UPDATE_RULE = 0 (UPDATE_PRESERVE)
*/
- status = acpi_ex_prep_common_field_object (obj_desc, field_flags, 0,
- bit_offset, bit_count);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ex_prep_common_field_object(obj_desc, field_flags, 0,
+ bit_offset, bit_count);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
/* Reference count for buffer_desc inherits obj_desc count */
- buffer_desc->common.reference_count = (u16) (buffer_desc->common.reference_count +
- obj_desc->common.reference_count);
-
+ buffer_desc->common.reference_count = (u16)
+ (buffer_desc->common.reference_count +
+ obj_desc->common.reference_count);
-cleanup:
+ cleanup:
/* Always delete the operands */
- acpi_ut_remove_reference (offset_desc);
- acpi_ut_remove_reference (buffer_desc);
+ acpi_ut_remove_reference(offset_desc);
+ acpi_ut_remove_reference(buffer_desc);
if (aml_opcode == AML_CREATE_FIELD_OP) {
- acpi_ut_remove_reference (length_desc);
+ acpi_ut_remove_reference(length_desc);
}
/* On failure, delete the result descriptor */
- if (ACPI_FAILURE (status)) {
- acpi_ut_remove_reference (result_desc); /* Result descriptor */
- }
- else {
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(result_desc); /* Result descriptor */
+ } else {
/* Now the address and length are valid for this buffer_field */
obj_desc->buffer_field.flags |= AOPOBJ_DATA_VALID;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_eval_buffer_field_operands
*
* DESCRIPTION: Get buffer_field Buffer and Index
* Called from acpi_ds_exec_end_op during buffer_field parse tree walk
*
- ****************************************************************************/
+ ******************************************************************************/
acpi_status
-acpi_ds_eval_buffer_field_operands (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op)
+acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
{
- acpi_status status;
- union acpi_operand_object *obj_desc;
- struct acpi_namespace_node *node;
- union acpi_parse_object *next_op;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_eval_buffer_field_operands", op);
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *next_op;
+ ACPI_FUNCTION_TRACE_PTR("ds_eval_buffer_field_operands", op);
/*
* This is where we evaluate the address and length fields of the
* create_xxx_field declaration
*/
- node = op->common.node;
+ node = op->common.node;
/* next_op points to the op that holds the Buffer */
/* Evaluate/create the address and length operands */
- status = acpi_ds_create_operands (walk_state, next_op);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_create_operands(walk_state, next_op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- obj_desc = acpi_ns_get_attached_object (node);
+ obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
- return_ACPI_STATUS (AE_NOT_EXIST);
+ return_ACPI_STATUS(AE_NOT_EXIST);
}
/* Resolve the operands */
- status = acpi_ex_resolve_operands (op->common.aml_opcode,
- ACPI_WALK_OPERANDS, walk_state);
+ status = acpi_ex_resolve_operands(op->common.aml_opcode,
+ ACPI_WALK_OPERANDS, walk_state);
- ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
- acpi_ps_get_opcode_name (op->common.aml_opcode),
- walk_state->num_operands, "after acpi_ex_resolve_operands");
+ ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ walk_state->num_operands,
+ "after acpi_ex_resolve_operands");
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) bad operand(s) (%X)\n",
- acpi_ps_get_opcode_name (op->common.aml_opcode), status));
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ status));
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
/* Initialize the Buffer Field */
if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
/* NOTE: Slightly different operands for this opcode */
- status = acpi_ds_init_buffer_field (op->common.aml_opcode, obj_desc,
- walk_state->operands[0], walk_state->operands[1],
- walk_state->operands[2], walk_state->operands[3]);
- }
- else {
+ status =
+ acpi_ds_init_buffer_field(op->common.aml_opcode, obj_desc,
+ walk_state->operands[0],
+ walk_state->operands[1],
+ walk_state->operands[2],
+ walk_state->operands[3]);
+ } else {
/* All other, create_xxx_field opcodes */
- status = acpi_ds_init_buffer_field (op->common.aml_opcode, obj_desc,
- walk_state->operands[0], walk_state->operands[1],
- NULL, walk_state->operands[2]);
+ status =
+ acpi_ds_init_buffer_field(op->common.aml_opcode, obj_desc,
+ walk_state->operands[0],
+ walk_state->operands[1], NULL,
+ walk_state->operands[2]);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_eval_region_operands
*
* DESCRIPTION: Get region address and length
* Called from acpi_ds_exec_end_op during op_region parse tree walk
*
- ****************************************************************************/
+ ******************************************************************************/
acpi_status
-acpi_ds_eval_region_operands (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op)
+acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
{
- acpi_status status;
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *operand_desc;
- struct acpi_namespace_node *node;
- union acpi_parse_object *next_op;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_eval_region_operands", op);
+ acpi_status status;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *operand_desc;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *next_op;
+ ACPI_FUNCTION_TRACE_PTR("ds_eval_region_operands", op);
/*
- * This is where we evaluate the address and length fields of the op_region declaration
+ * This is where we evaluate the address and length fields of the
+ * op_region declaration
*/
- node = op->common.node;
+ node = op->common.node;
/* next_op points to the op that holds the space_iD */
/* Evaluate/create the address and length operands */
- status = acpi_ds_create_operands (walk_state, next_op);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_create_operands(walk_state, next_op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Resolve the length and address operands to numbers */
- status = acpi_ex_resolve_operands (op->common.aml_opcode, ACPI_WALK_OPERANDS, walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ex_resolve_operands(op->common.aml_opcode,
+ ACPI_WALK_OPERANDS, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
- acpi_ps_get_opcode_name (op->common.aml_opcode),
- 1, "after acpi_ex_resolve_operands");
+ ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ 1, "after acpi_ex_resolve_operands");
- obj_desc = acpi_ns_get_attached_object (node);
+ obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
- return_ACPI_STATUS (AE_NOT_EXIST);
+ return_ACPI_STATUS(AE_NOT_EXIST);
}
/*
operand_desc = walk_state->operands[walk_state->num_operands - 1];
obj_desc->region.length = (u32) operand_desc->integer.value;
- acpi_ut_remove_reference (operand_desc);
+ acpi_ut_remove_reference(operand_desc);
/*
* Get the address and save it
*/
operand_desc = walk_state->operands[walk_state->num_operands - 2];
- obj_desc->region.address = (acpi_physical_address) operand_desc->integer.value;
- acpi_ut_remove_reference (operand_desc);
+ obj_desc->region.address = (acpi_physical_address)
+ operand_desc->integer.value;
+ acpi_ut_remove_reference(operand_desc);
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n",
- obj_desc,
- ACPI_FORMAT_UINT64 (obj_desc->region.address),
- obj_desc->region.length));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n",
+ obj_desc,
+ ACPI_FORMAT_UINT64(obj_desc->region.address),
+ obj_desc->region.length));
/* Now the address and length are valid for this opregion */
obj_desc->region.flags |= AOPOBJ_DATA_VALID;
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
-/*****************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_ds_eval_data_object_operands
*
* DESCRIPTION: Get the operands and complete the following data object types:
* Buffer, Package.
*
- ****************************************************************************/
+ ******************************************************************************/
acpi_status
-acpi_ds_eval_data_object_operands (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op,
- union acpi_operand_object *obj_desc)
+acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ union acpi_operand_object *obj_desc)
{
- acpi_status status;
- union acpi_operand_object *arg_desc;
- u32 length;
-
-
- ACPI_FUNCTION_TRACE ("ds_eval_data_object_operands");
+ acpi_status status;
+ union acpi_operand_object *arg_desc;
+ u32 length;
+ ACPI_FUNCTION_TRACE("ds_eval_data_object_operands");
/* The first operand (for all of these data objects) is the length */
- status = acpi_ds_create_operand (walk_state, op->common.value.arg, 1);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_create_operand(walk_state, op->common.value.arg, 1);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- status = acpi_ex_resolve_operands (walk_state->opcode,
- &(walk_state->operands [walk_state->num_operands -1]),
- walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ex_resolve_operands(walk_state->opcode,
+ &(walk_state->
+ operands[walk_state->num_operands -
+ 1]), walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Extract length operand */
- arg_desc = walk_state->operands [walk_state->num_operands - 1];
+ arg_desc = walk_state->operands[walk_state->num_operands - 1];
length = (u32) arg_desc->integer.value;
/* Cleanup for length operand */
- status = acpi_ds_obj_stack_pop (1, walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_obj_stack_pop(1, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- acpi_ut_remove_reference (arg_desc);
+ acpi_ut_remove_reference(arg_desc);
/*
* Create the actual data object
switch (op->common.aml_opcode) {
case AML_BUFFER_OP:
- status = acpi_ds_build_internal_buffer_obj (walk_state, op, length, &obj_desc);
+ status =
+ acpi_ds_build_internal_buffer_obj(walk_state, op, length,
+ &obj_desc);
break;
case AML_PACKAGE_OP:
case AML_VAR_PACKAGE_OP:
- status = acpi_ds_build_internal_package_obj (walk_state, op, length, &obj_desc);
+ status =
+ acpi_ds_build_internal_package_obj(walk_state, op, length,
+ &obj_desc);
break;
default:
- return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+ return_ACPI_STATUS(AE_AML_BAD_OPCODE);
}
- if (ACPI_SUCCESS (status)) {
+ if (ACPI_SUCCESS(status)) {
/*
- * Return the object in the walk_state, unless the parent is a package --
+ * Return the object in the walk_state, unless the parent is a package -
* in this case, the return object will be stored in the parse tree
* for the package.
*/
if ((!op->common.parent) ||
- ((op->common.parent->common.aml_opcode != AML_PACKAGE_OP) &&
- (op->common.parent->common.aml_opcode != AML_VAR_PACKAGE_OP) &&
- (op->common.parent->common.aml_opcode != AML_NAME_OP))) {
+ ((op->common.parent->common.aml_opcode != AML_PACKAGE_OP) &&
+ (op->common.parent->common.aml_opcode !=
+ AML_VAR_PACKAGE_OP)
+ && (op->common.parent->common.aml_opcode !=
+ AML_NAME_OP))) {
walk_state->result_obj = obj_desc;
}
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_exec_begin_control_op
******************************************************************************/
acpi_status
-acpi_ds_exec_begin_control_op (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op)
+acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
{
- acpi_status status = AE_OK;
- union acpi_generic_state *control_state;
+ acpi_status status = AE_OK;
+ union acpi_generic_state *control_state;
+ ACPI_FUNCTION_NAME("ds_exec_begin_control_op");
- ACPI_FUNCTION_NAME ("ds_exec_begin_control_op");
-
-
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", op,
- op->common.aml_opcode, walk_state));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", op,
+ op->common.aml_opcode, walk_state));
switch (op->common.aml_opcode) {
case AML_IF_OP:
* constructs. We need to manage these as a stack, in order
* to handle nesting.
*/
- control_state = acpi_ut_create_control_state ();
+ control_state = acpi_ut_create_control_state();
if (!control_state) {
status = AE_NO_MEMORY;
break;
* Save a pointer to the predicate for multiple executions
* of a loop
*/
- control_state->control.aml_predicate_start = walk_state->parser_state.aml - 1;
- control_state->control.package_end = walk_state->parser_state.pkg_end;
+ control_state->control.aml_predicate_start =
+ walk_state->parser_state.aml - 1;
+ control_state->control.package_end =
+ walk_state->parser_state.pkg_end;
control_state->control.opcode = op->common.aml_opcode;
-
/* Push the control state on this walk's control stack */
- acpi_ut_push_generic_state (&walk_state->control_state, control_state);
+ acpi_ut_push_generic_state(&walk_state->control_state,
+ control_state);
break;
case AML_ELSE_OP:
return (status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_exec_end_control_op
******************************************************************************/
acpi_status
-acpi_ds_exec_end_control_op (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op)
+acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
+ union acpi_parse_object * op)
{
- acpi_status status = AE_OK;
- union acpi_generic_state *control_state;
-
-
- ACPI_FUNCTION_NAME ("ds_exec_end_control_op");
+ acpi_status status = AE_OK;
+ union acpi_generic_state *control_state;
+ ACPI_FUNCTION_NAME("ds_exec_end_control_op");
switch (op->common.aml_opcode) {
case AML_IF_OP:
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[IF_OP] Op=%p\n", op));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[IF_OP] Op=%p\n", op));
/*
* Save the result of the predicate in case there is an
* ELSE to come
*/
walk_state->last_predicate =
- (u8) walk_state->control_state->common.value;
+ (u8) walk_state->control_state->common.value;
/*
* Pop the control state that was created at the start
* of the IF and free it
*/
- control_state = acpi_ut_pop_generic_state (&walk_state->control_state);
- acpi_ut_delete_generic_state (control_state);
+ control_state =
+ acpi_ut_pop_generic_state(&walk_state->control_state);
+ acpi_ut_delete_generic_state(control_state);
break;
-
case AML_ELSE_OP:
break;
-
case AML_WHILE_OP:
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
if (walk_state->control_state->common.value) {
/* Predicate was true, go back and evaluate it again! */
status = AE_CTRL_PENDING;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] termination! Op=%p\n", op));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "[WHILE_OP] termination! Op=%p\n", op));
/* Pop this control state and free it */
- control_state = acpi_ut_pop_generic_state (&walk_state->control_state);
+ control_state =
+ acpi_ut_pop_generic_state(&walk_state->control_state);
- walk_state->aml_last_while = control_state->control.aml_predicate_start;
- acpi_ut_delete_generic_state (control_state);
+ walk_state->aml_last_while =
+ control_state->control.aml_predicate_start;
+ acpi_ut_delete_generic_state(control_state);
break;
-
case AML_RETURN_OP:
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "[RETURN_OP] Op=%p Arg=%p\n",op, op->common.value.arg));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "[RETURN_OP] Op=%p Arg=%p\n", op,
+ op->common.value.arg));
/*
* One optional operand -- the return value
if (op->common.value.arg) {
/* Since we have a real Return(), delete any implicit return */
- acpi_ds_clear_implicit_return (walk_state);
+ acpi_ds_clear_implicit_return(walk_state);
/* Return statement has an immediate operand */
- status = acpi_ds_create_operands (walk_state, op->common.value.arg);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ds_create_operands(walk_state,
+ op->common.value.arg);
+ if (ACPI_FAILURE(status)) {
return (status);
}
* an arg or local), resolve it now because it may
* cease to exist at the end of the method.
*/
- status = acpi_ex_resolve_to_value (&walk_state->operands [0], walk_state);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ex_resolve_to_value(&walk_state->operands[0],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
return (status);
}
* is set to anything other than zero!
*/
walk_state->return_desc = walk_state->operands[0];
- }
- else if ((walk_state->results) &&
- (walk_state->results->results.num_results > 0)) {
+ } else if ((walk_state->results) &&
+ (walk_state->results->results.num_results > 0)) {
/* Since we have a real Return(), delete any implicit return */
- acpi_ds_clear_implicit_return (walk_state);
+ acpi_ds_clear_implicit_return(walk_state);
/*
* The return value has come from a previous calculation.
*
* Allow references created by the Index operator to return unchanged.
*/
- if ((ACPI_GET_DESCRIPTOR_TYPE (walk_state->results->results.obj_desc[0]) == ACPI_DESC_TYPE_OPERAND) &&
- (ACPI_GET_OBJECT_TYPE (walk_state->results->results.obj_desc [0]) == ACPI_TYPE_LOCAL_REFERENCE) &&
- ((walk_state->results->results.obj_desc [0])->reference.opcode != AML_INDEX_OP)) {
- status = acpi_ex_resolve_to_value (&walk_state->results->results.obj_desc [0], walk_state);
- if (ACPI_FAILURE (status)) {
+ if ((ACPI_GET_DESCRIPTOR_TYPE
+ (walk_state->results->results.obj_desc[0]) ==
+ ACPI_DESC_TYPE_OPERAND)
+ &&
+ (ACPI_GET_OBJECT_TYPE
+ (walk_state->results->results.obj_desc[0]) ==
+ ACPI_TYPE_LOCAL_REFERENCE)
+ && ((walk_state->results->results.obj_desc[0])->
+ reference.opcode != AML_INDEX_OP)) {
+ status =
+ acpi_ex_resolve_to_value(&walk_state->
+ results->results.
+ obj_desc[0],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
return (status);
}
}
- walk_state->return_desc = walk_state->results->results.obj_desc [0];
- }
- else {
+ walk_state->return_desc =
+ walk_state->results->results.obj_desc[0];
+ } else {
/* No return operand */
if (walk_state->num_operands) {
- acpi_ut_remove_reference (walk_state->operands [0]);
+ acpi_ut_remove_reference(walk_state->
+ operands[0]);
}
- walk_state->operands [0] = NULL;
- walk_state->num_operands = 0;
- walk_state->return_desc = NULL;
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+ walk_state->return_desc = NULL;
}
-
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "Completed RETURN_OP State=%p, ret_val=%p\n",
- walk_state, walk_state->return_desc));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Completed RETURN_OP State=%p, ret_val=%p\n",
+ walk_state, walk_state->return_desc));
/* End the control method execution right now */
status = AE_CTRL_TERMINATE;
break;
-
case AML_NOOP_OP:
/* Just do nothing! */
break;
-
case AML_BREAK_POINT_OP:
/* Call up to the OS service layer to handle this */
- status = acpi_os_signal (ACPI_SIGNAL_BREAKPOINT, "Executed AML Breakpoint opcode");
+ status =
+ acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,
+ "Executed AML Breakpoint opcode");
/* If and when it returns, all done. */
break;
-
case AML_BREAK_OP:
- case AML_CONTINUE_OP: /* ACPI 2.0 */
-
+ case AML_CONTINUE_OP: /* ACPI 2.0 */
/* Pop and delete control states until we find a while */
while (walk_state->control_state &&
- (walk_state->control_state->control.opcode != AML_WHILE_OP)) {
- control_state = acpi_ut_pop_generic_state (&walk_state->control_state);
- acpi_ut_delete_generic_state (control_state);
+ (walk_state->control_state->control.opcode !=
+ AML_WHILE_OP)) {
+ control_state =
+ acpi_ut_pop_generic_state(&walk_state->
+ control_state);
+ acpi_ut_delete_generic_state(control_state);
}
/* No while found? */
/* Was: walk_state->aml_last_while = walk_state->control_state->Control.aml_predicate_start; */
- walk_state->aml_last_while = walk_state->control_state->control.package_end;
+ walk_state->aml_last_while =
+ walk_state->control_state->control.package_end;
/* Return status depending on opcode */
if (op->common.aml_opcode == AML_BREAK_OP) {
status = AE_CTRL_BREAK;
- }
- else {
+ } else {
status = AE_CTRL_CONTINUE;
}
break;
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown control opcode=%X Op=%p\n",
- op->common.aml_opcode, op));
+ ACPI_ERROR((AE_INFO, "Unknown control opcode=%X Op=%p",
+ op->common.aml_opcode, op));
status = AE_AML_BAD_OPCODE;
break;
return (status);
}
-
git://git.onelab.eu / linux-2.6.git / blobdiff