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authorLen Brown <len.brown@intel.com>2009-01-09 00:13:17 -0500
committerLen Brown <len.brown@intel.com>2009-01-09 03:30:47 -0500
commit95b482a8d31116f3f5c2a5089569393234d06385 (patch)
treef32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/dispatcher/dsopcode.c
parent6620e0c49f577454b772fb381543d60ae53eb885 (diff)
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/dispatcher/dsopcode.c')
-rw-r--r--drivers/acpi/dispatcher/dsopcode.c1469
1 files changed, 0 insertions, 1469 deletions
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
deleted file mode 100644
index cb8a0d3109f..00000000000
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ /dev/null
@@ -1,1469 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dsopcode - Dispatcher Op Region support and handling of
- * "control" opcodes
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- * substantially similar to the "NO WARRANTY" disclaimer below
- * ("Disclaimer") and any redistribution must be conditioned upon
- * including a substantially similar Disclaimer requirement for further
- * binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- * of any contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/accommon.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT ACPI_DISPATCHER
-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 - Object NS node
- * scope_node - Parent NS node
- * aml_length - Length of executable AML
- * aml_start - Pointer to the AML
- *
- * RETURN: Status.
- *
- * DESCRIPTION: Late (deferred) execution of region or field arguments
- *
- ******************************************************************************/
-
-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);
-
- /*
- * Allocate a new parser op to be the root of the parsed tree
- */
- op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
- if (!op) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- /* Save the Node for use in acpi_ps_parse_aml */
-
- op->common.node = scope_node;
-
- /* Create and initialize a new parser state */
-
- walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
- if (!walk_state) {
- status = AE_NO_MEMORY;
- goto cleanup;
- }
-
- status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
- aml_length, NULL, ACPI_IMODE_LOAD_PASS1);
- if (ACPI_FAILURE(status)) {
- acpi_ds_delete_walk_state(walk_state);
- goto cleanup;
- }
-
- /* Mark this parse as a deferred opcode */
-
- walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP;
- walk_state->deferred_node = node;
-
- /* Pass1: Parse the entire declaration */
-
- 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);
-
- /* Evaluate the deferred arguments */
-
- op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
- if (!op) {
- 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);
- if (!walk_state) {
- 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, ACPI_IMODE_EXECUTE);
- 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);
-
- cleanup:
- acpi_ps_delete_parse_tree(op);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_get_buffer_field_arguments
- *
- * PARAMETERS: obj_desc - A valid buffer_field object
- *
- * RETURN: Status.
- *
- * 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)
-{
- 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);
- }
-
- /* Get the AML pointer (method object) and buffer_field node */
-
- 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] BufferField 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);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_get_bank_field_arguments
- *
- * PARAMETERS: obj_desc - A valid bank_field object
- *
- * RETURN: Status.
- *
- * DESCRIPTION: Get bank_field bank_value. This implements the late
- * evaluation of these field attributes.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_get_bank_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_bank_field_arguments, obj_desc);
-
- if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Get the AML pointer (method object) and bank_field node */
-
- extra_desc = acpi_ns_get_secondary_object(obj_desc);
- node = obj_desc->bank_field.node;
-
- ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
- (ACPI_TYPE_LOCAL_BANK_FIELD, node, NULL));
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BankField 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);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_get_buffer_arguments
- *
- * PARAMETERS: obj_desc - A valid Buffer object
- *
- * RETURN: Status.
- *
- * 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)
-{
- 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);
- }
-
- /* Get the Buffer node */
-
- node = obj_desc->buffer.node;
- if (!node) {
- 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"));
-
- /* 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);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_get_package_arguments
- *
- * PARAMETERS: obj_desc - A valid Package object
- *
- * RETURN: Status.
- *
- * 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)
-{
- 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);
- }
-
- /* Get the Package node */
-
- node = obj_desc->package.node;
- if (!node) {
- 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"));
-
- /* 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);
-}
-
-/*****************************************************************************
- *
- * FUNCTION: acpi_ds_get_region_arguments
- *
- * PARAMETERS: obj_desc - A valid region object
- *
- * RETURN: Status.
- *
- * DESCRIPTION: Get region address and length. This implements the late
- * evaluation of these region attributes.
- *
- ****************************************************************************/
-
-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);
-
- if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
- return_ACPI_STATUS(AE_OK);
- }
-
- extra_desc = acpi_ns_get_secondary_object(obj_desc);
- if (!extra_desc) {
- 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_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion 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);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Validate the region address/length via the host OS */
-
- status = acpi_os_validate_address(obj_desc->region.space_id,
- obj_desc->region.address,
- (acpi_size) obj_desc->region.length,
- acpi_ut_get_node_name(node));
-
- if (ACPI_FAILURE(status)) {
- /*
- * Invalid address/length. We will emit an error message and mark
- * the region as invalid, so that it will cause an additional error if
- * it is ever used. Then return AE_OK.
- */
- ACPI_EXCEPTION((AE_INFO, status,
- "During address validation of OpRegion [%4.4s]",
- node->name.ascii));
- obj_desc->common.flags |= AOPOBJ_INVALID;
- status = AE_OK;
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_initialize_region
- *
- * 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)
-{
- union acpi_operand_object *obj_desc;
- acpi_status status;
-
- obj_desc = acpi_ns_get_attached_object(obj_handle);
-
- /* Namespace is NOT locked */
-
- status = acpi_ev_initialize_region(obj_desc, FALSE);
- return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_init_buffer_field
- *
- * PARAMETERS: aml_opcode - create_xxx_field
- * obj_desc - buffer_field object
- * buffer_desc - Host Buffer
- * offset_desc - Offset into buffer
- * 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
- *
- ******************************************************************************/
-
-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);
-
- /* Host object must be a Buffer */
-
- 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;
- }
-
- /*
- * The last parameter to all of these opcodes (result_desc) started
- * 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_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 = (u32) offset_desc->integer.value;
-
- /*
- * Setup the Bit offsets and counts, according to the opcode
- */
- switch (aml_opcode) {
- case AML_CREATE_FIELD_OP:
-
- /* Offset is in bits, count is in bits */
-
- 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 CreateField 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;
- field_flags = AML_FIELD_ACCESS_BYTE;
- break;
-
- case AML_CREATE_BYTE_FIELD_OP:
-
- /* Offset is in bytes, field is one byte */
-
- bit_offset = 8 * offset;
- bit_count = 8;
- field_flags = AML_FIELD_ACCESS_BYTE;
- break;
-
- case AML_CREATE_WORD_FIELD_OP:
-
- /* Offset is in bytes, field is one word */
-
- bit_offset = 8 * offset;
- bit_count = 16;
- field_flags = AML_FIELD_ACCESS_WORD;
- break;
-
- case AML_CREATE_DWORD_FIELD_OP:
-
- /* Offset is in bytes, field is one dword */
-
- bit_offset = 8 * offset;
- bit_count = 32;
- field_flags = AML_FIELD_ACCESS_DWORD;
- break;
-
- case AML_CREATE_QWORD_FIELD_OP:
-
- /* Offset is in bytes, field is one qword */
-
- bit_offset = 8 * offset;
- bit_count = 64;
- field_flags = AML_FIELD_ACCESS_QWORD;
- break;
-
- default:
-
- 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_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)
- */
- status = acpi_ex_prep_common_field_object(obj_desc, field_flags, 0,
- bit_offset, bit_count);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
-
- obj_desc->buffer_field.buffer_obj = buffer_desc;
-
- /* 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);
-
- cleanup:
-
- /* Always delete the operands */
-
- 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);
- }
-
- /* On failure, delete the result descriptor */
-
- 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);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_eval_buffer_field_operands
- *
- * PARAMETERS: walk_state - Current walk
- * Op - A valid buffer_field Op object
- *
- * RETURN: Status
- *
- * 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_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;
-
- /* next_op points to the op that holds the Buffer */
-
- next_op = op->common.value.arg;
-
- /* Evaluate/create the address and length operands */
-
- 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);
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NOT_EXIST);
- }
-
- /* Resolve the operands */
-
- status = acpi_ex_resolve_operands(op->common.aml_opcode,
- ACPI_WALK_OPERANDS, walk_state);
- 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);
- }
-
- /* 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 {
- /* 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]);
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_eval_region_operands
- *
- * PARAMETERS: walk_state - Current walk
- * Op - A valid region Op object
- *
- * RETURN: Status
- *
- * 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_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
- */
- node = op->common.node;
-
- /* next_op points to the op that holds the space_iD */
-
- next_op = op->common.value.arg;
-
- /* next_op points to address op */
-
- next_op = next_op->common.next;
-
- /* Evaluate/create the address and length operands */
-
- 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);
- }
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NOT_EXIST);
- }
-
- /*
- * Get the length operand and save it
- * (at Top of stack)
- */
- 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);
-
- /*
- * Get the address and save it
- * (at top of stack - 1)
- */
- 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);
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
- obj_desc,
- ACPI_FORMAT_NATIVE_UINT(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);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_eval_table_region_operands
- *
- * PARAMETERS: walk_state - Current walk
- * Op - A valid region Op object
- *
- * RETURN: Status
- *
- * DESCRIPTION: Get region address and length
- * Called from acpi_ds_exec_end_op during data_table_region parse tree walk
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_eval_table_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;
- struct acpi_namespace_node *node;
- union acpi_parse_object *next_op;
- u32 table_index;
- struct acpi_table_header *table;
-
- ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op);
-
- /*
- * This is where we evaluate the signature_string and oem_iDString
- * and oem_table_iDString of the data_table_region declaration
- */
- node = op->common.node;
-
- /* next_op points to signature_string op */
-
- next_op = op->common.value.arg;
-
- /*
- * Evaluate/create the signature_string and oem_iDString
- * and oem_table_iDString operands
- */
- status = acpi_ds_create_operands(walk_state, next_op);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /*
- * Resolve the signature_string and oem_iDString
- * and oem_table_iDString operands
- */
- status = acpi_ex_resolve_operands(op->common.aml_opcode,
- ACPI_WALK_OPERANDS, walk_state);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- operand = &walk_state->operands[0];
-
- /* Find the ACPI table */
-
- status = acpi_tb_find_table(operand[0]->string.pointer,
- operand[1]->string.pointer,
- operand[2]->string.pointer, &table_index);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- acpi_ut_remove_reference(operand[0]);
- acpi_ut_remove_reference(operand[1]);
- acpi_ut_remove_reference(operand[2]);
-
- status = acpi_get_table_by_index(table_index, &table);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NOT_EXIST);
- }
-
- obj_desc->region.address =
- (acpi_physical_address) ACPI_TO_INTEGER(table);
- obj_desc->region.length = table->length;
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
- obj_desc,
- ACPI_FORMAT_NATIVE_UINT(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);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_eval_data_object_operands
- *
- * PARAMETERS: walk_state - Current walk
- * Op - A valid data_object Op object
- * obj_desc - data_object
- *
- * RETURN: Status
- *
- * 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_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 */
-
- /*
- * Set proper index into operand stack for acpi_ds_obj_stack_push
- * invoked inside acpi_ds_create_operand.
- */
- walk_state->operand_index = walk_state->num_operands;
-
- 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);
- }
-
- /* Extract length operand */
-
- 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);
- }
-
- 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);
- break;
-
- case AML_PACKAGE_OP:
- case AML_VAR_PACKAGE_OP:
-
- status =
- acpi_ds_build_internal_package_obj(walk_state, op, length,
- &obj_desc);
- break;
-
- default:
- return_ACPI_STATUS(AE_AML_BAD_OPCODE);
- }
-
- if (ACPI_SUCCESS(status)) {
- /*
- * 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))) {
- walk_state->result_obj = obj_desc;
- }
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_eval_bank_field_operands
- *
- * PARAMETERS: walk_state - Current walk
- * Op - A valid bank_field Op object
- *
- * RETURN: Status
- *
- * DESCRIPTION: Get bank_field bank_value
- * Called from acpi_ds_exec_end_op during bank_field parse tree walk
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_eval_bank_field_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;
- union acpi_parse_object *arg;
-
- ACPI_FUNCTION_TRACE_PTR(ds_eval_bank_field_operands, op);
-
- /*
- * This is where we evaluate the bank_value field of the
- * bank_field declaration
- */
-
- /* next_op points to the op that holds the Region */
-
- next_op = op->common.value.arg;
-
- /* next_op points to the op that holds the Bank Register */
-
- next_op = next_op->common.next;
-
- /* next_op points to the op that holds the Bank Value */
-
- next_op = next_op->common.next;
-
- /*
- * Set proper index into operand stack for acpi_ds_obj_stack_push
- * invoked inside acpi_ds_create_operand.
- *
- * We use walk_state->Operands[0] to store the evaluated bank_value
- */
- walk_state->operand_index = 0;
-
- status = acpi_ds_create_operand(walk_state, next_op, 0);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- status = acpi_ex_resolve_to_value(&walk_state->operands[0], walk_state);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS,
- acpi_ps_get_opcode_name(op->common.aml_opcode), 1);
- /*
- * Get the bank_value operand and save it
- * (at Top of stack)
- */
- operand_desc = walk_state->operands[0];
-
- /* Arg points to the start Bank Field */
-
- arg = acpi_ps_get_arg(op, 4);
- while (arg) {
-
- /* Ignore OFFSET and ACCESSAS terms here */
-
- if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
- node = arg->common.node;
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NOT_EXIST);
- }
-
- obj_desc->bank_field.value =
- (u32) operand_desc->integer.value;
- }
-
- /* Move to next field in the list */
-
- arg = arg->common.next;
- }
-
- acpi_ut_remove_reference(operand_desc);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_exec_begin_control_op
- *
- * PARAMETERS: walk_list - The list that owns the walk stack
- * Op - The control Op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handles all control ops encountered during control method
- * execution.
- *
- ******************************************************************************/
-
-acpi_status
-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_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));
-
- switch (op->common.aml_opcode) {
- case AML_WHILE_OP:
-
- /*
- * If this is an additional iteration of a while loop, continue.
- * There is no need to allocate a new control state.
- */
- if (walk_state->control_state) {
- if (walk_state->control_state->control.aml_predicate_start
- == (walk_state->parser_state.aml - 1)) {
-
- /* Reset the state to start-of-loop */
-
- walk_state->control_state->common.state =
- ACPI_CONTROL_CONDITIONAL_EXECUTING;
- break;
- }
- }
-
- /*lint -fallthrough */
-
- case AML_IF_OP:
-
- /*
- * IF/WHILE: Create a new control state to manage these
- * constructs. We need to manage these as a stack, in order
- * to handle nesting.
- */
- 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.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);
- break;
-
- case AML_ELSE_OP:
-
- /* Predicate is in the state object */
- /* If predicate is true, the IF was executed, ignore ELSE part */
-
- if (walk_state->last_predicate) {
- status = AE_CTRL_TRUE;
- }
-
- break;
-
- case AML_RETURN_OP:
-
- break;
-
- default:
- break;
- }
-
- return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_exec_end_control_op
- *
- * PARAMETERS: walk_list - The list that owns the walk stack
- * Op - The control Op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Handles all control ops encountered during control method
- * execution.
- *
- ******************************************************************************/
-
-acpi_status
-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);
-
- switch (op->common.aml_opcode) {
- case AML_IF_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;
-
- /*
- * 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);
- break;
-
- case AML_ELSE_OP:
-
- break;
-
- case AML_WHILE_OP:
-
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
-
- control_state = walk_state->control_state;
- if (control_state->common.value) {
-
- /* Predicate was true, the body of the loop was just executed */
-
- /*
- * This loop counter mechanism allows the interpreter to escape
- * possibly infinite loops. This can occur in poorly written AML
- * when the hardware does not respond within a while loop and the
- * loop does not implement a timeout.
- */
- control_state->control.loop_count++;
- if (control_state->control.loop_count >
- ACPI_MAX_LOOP_ITERATIONS) {
- status = AE_AML_INFINITE_LOOP;
- break;
- }
-
- /*
- * Go back and evaluate the predicate and maybe execute the loop
- * another time
- */
- status = AE_CTRL_PENDING;
- walk_state->aml_last_while =
- control_state->control.aml_predicate_start;
- break;
- }
-
- /* Predicate was false, terminate this while loop */
-
- 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);
- 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));
-
- /*
- * One optional operand -- the return value
- * It can be either an immediate operand or a result that
- * has been bubbled up the tree
- */
- if (op->common.value.arg) {
-
- /* Since we have a real Return(), delete any implicit return */
-
- 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)) {
- return (status);
- }
-
- /*
- * If value being returned is a Reference (such as
- * 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)) {
- return (status);
- }
-
- /*
- * Get the return value and save as the last result
- * value. This is the only place where walk_state->return_desc
- * is set to anything other than zero!
- */
- walk_state->return_desc = walk_state->operands[0];
- } else if (walk_state->result_count) {
-
- /* Since we have a real Return(), delete any implicit return */
-
- acpi_ds_clear_implicit_return(walk_state);
-
- /*
- * The return value has come from a previous calculation.
- *
- * If value being returned is a Reference (such as
- * an arg or local), resolve it now because it may
- * cease to exist at the end of the method.
- *
- * 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.class != ACPI_REFCLASS_INDEX)) {
- 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 {
- /* No return operand */
-
- if (walk_state->num_operands) {
- acpi_ut_remove_reference(walk_state->
- operands[0]);
- }
-
- 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, RetVal=%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");
-
- /* If and when it returns, all done. */
-
- break;
-
- case AML_BREAK_OP:
- 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);
- }
-
- /* No while found? */
-
- if (!walk_state->control_state) {
- return (AE_AML_NO_WHILE);
- }
-
- /* 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;
-
- /* Return status depending on opcode */
-
- if (op->common.aml_opcode == AML_BREAK_OP) {
- status = AE_CTRL_BREAK;
- } else {
- status = AE_CTRL_CONTINUE;
- }
- break;
-
- default:
-
- ACPI_ERROR((AE_INFO, "Unknown control opcode=%X Op=%p",
- op->common.aml_opcode, op));
-
- status = AE_AML_BAD_OPCODE;
- break;
- }
-
- return (status);
-}