ACPICA: Split large dsopcode and dsload.c files. (9ad19ac4) · Commits · e / devices / android_kernel_teracube_2e

drivers/acpi/acpica/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -10,7 +10,7 @@ obj-y += acpi.o

		acpi-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \
		dsmethod.o dsobject.o dsutils.o dswload.o dswstate.o \
		dsinit.o
		dsinit.o dsargs.o dscontrol.o dswload2.o

		acpi-y += evevent.o evregion.o evsci.o evxfevnt.o \
		evmisc.o evrgnini.o evxface.o evxfregn.o \

drivers/acpi/acpica/acdispat.h

+22 −16

Original line number	Diff line number	Diff line
		@@ -48,7 +48,7 @@
		#define NAMEOF_ARG_NTE "__A0"

		/*
		* dsopcode - support for late evaluation
		* dsargs - execution of dynamic arguments for static objects
		*/
		acpi_status
		acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
		@@ -62,6 +62,20 @@ acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);

		acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);

		/*
		* dscontrol - support for execution control opcodes
		*/
		acpi_status
		acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
		union acpi_parse_object *op);

		acpi_status
		acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
		union acpi_parse_object *op);

		/*
		* dsopcode - support for late operand evaluation
		*/
		acpi_status
		acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
		union acpi_parse_object *op);
		@@ -85,17 +99,6 @@ acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,

		acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);

		/*
		* dsctrl - Parser/Interpreter interface, control stack routines
		*/
		acpi_status
		acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
		union acpi_parse_object *op);

		acpi_status
		acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
		union acpi_parse_object *op);

		/*
		* dsexec - Parser/Interpreter interface, method execution callbacks
		*/
		@@ -136,23 +139,26 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
		struct acpi_walk_state *walk_state);

		/*
		* dsload - Parser/Interpreter interface, namespace load callbacks
		* dsload - Parser/Interpreter interface, pass 1 namespace load callbacks
		*/
		acpi_status
		acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);

		acpi_status
		acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
		union acpi_parse_object **out_op);

		acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);

		/*
		* dsload - Parser/Interpreter interface, pass 2 namespace load callbacks
		*/
		acpi_status
		acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
		union acpi_parse_object **out_op);

		acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);

		acpi_status
		acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);

		/*
		* dsmthdat - method data (locals/args)
		*/

drivers/acpi/acpica/dsargs.c

0 → 100644

+391 −0

Original line number	Diff line number	Diff line
		/******************************************************************************
		*
		* Module Name: dsargs - Support for execution of dynamic arguments for static
		* objects (regions, fields, buffer fields, etc.)
		*
		*****************************************************************************/

		/*
		* Copyright (C) 2000 - 2011, 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 "accommon.h"
		#include "acparser.h"
		#include "amlcode.h"
		#include "acdispat.h"
		#include "acnamesp.h"

		#define _COMPONENT ACPI_DISPATCHER
		ACPI_MODULE_NAME("dsargs")

		/* 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);

		/*******************************************************************************
		*
		* 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, node->parent,
		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, node->parent,
		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 namespace node in buffer object %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 namespace 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, node->parent,
		extra_desc->extra.aml_length,
		extra_desc->extra.aml_start);
		return_ACPI_STATUS(status);
		}