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authorLen Brown <len.brown@intel.com>2011-03-18 18:06:08 -0400
committerLen Brown <len.brown@intel.com>2011-03-18 18:06:08 -0400
commit05534c9ffc9d5d950b14de8ba49a7609dc59b0b8 (patch)
tree65a01a1e0bc0e28c64fb5105cc763949f5412b4b /drivers/acpi/acpica
parentdd87cc53c42f3260b7eb7f60822de0fa9e58af59 (diff)
parent589c7a39ae2f2b74fd13ae344ca1dcca61da6bca (diff)
Merge branch 'acpica' into release
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r--drivers/acpi/acpica/Makefile4
-rw-r--r--drivers/acpi/acpica/acdispat.h38
-rw-r--r--drivers/acpi/acpica/acglobal.h4
-rw-r--r--drivers/acpi/acpica/aclocal.h19
-rw-r--r--drivers/acpi/acpica/dsargs.c391
-rw-r--r--drivers/acpi/acpica/dscontrol.c410
-rw-r--r--drivers/acpi/acpica/dsopcode.c725
-rw-r--r--drivers/acpi/acpica/dswload.c670
-rw-r--r--drivers/acpi/acpica/dswload2.c720
-rw-r--r--drivers/acpi/acpica/evgpe.c9
-rw-r--r--drivers/acpi/acpica/evregion.c2
-rw-r--r--drivers/acpi/acpica/evxfregn.c34
-rw-r--r--drivers/acpi/acpica/exfldio.c4
-rw-r--r--drivers/acpi/acpica/tbfadt.c5
-rw-r--r--drivers/acpi/acpica/utdecode.c548
-rw-r--r--drivers/acpi/acpica/utglobal.c484
16 files changed, 2152 insertions, 1915 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index eec2eadd243..a1224712fd0 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -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 \
@@ -45,4 +45,4 @@ acpi-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o
acpi-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
utcopy.o utdelete.o utglobal.o utmath.o utobject.o \
utstate.o utmutex.o utobject.o utresrc.o utlock.o utids.o \
- utosi.o utxferror.o
+ utosi.o utxferror.o utdecode.o
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h
index 666271b6541..2d1b7ffa377 100644
--- a/drivers/acpi/acpica/acdispat.h
+++ b/drivers/acpi/acpica/acdispat.h
@@ -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);
@@ -86,17 +100,6 @@ 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
*/
acpi_status
@@ -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)
*/
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 82a1bd283db..d69750b83b3 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -273,6 +273,10 @@ ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;
+/* Initialization sequencing */
+
+ACPI_EXTERN u8 acpi_gbl_reg_methods_executed;
+
/* Misc */
ACPI_EXTERN u32 acpi_gbl_original_mode;
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index edc25867ad9..c7f743ca395 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -89,25 +89,6 @@ union acpi_parse_object;
#define ACPI_MAX_MUTEX 7
#define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1
-#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
-#ifdef DEFINE_ACPI_GLOBALS
-
-/* Debug names for the mutexes above */
-
-static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
- "ACPI_MTX_Interpreter",
- "ACPI_MTX_Namespace",
- "ACPI_MTX_Tables",
- "ACPI_MTX_Events",
- "ACPI_MTX_Caches",
- "ACPI_MTX_Memory",
- "ACPI_MTX_CommandComplete",
- "ACPI_MTX_CommandReady"
-};
-
-#endif
-#endif
-
/* Lock structure for reader/writer interfaces */
struct acpi_rw_lock {
diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c
new file mode 100644
index 00000000000..8c7b99728aa
--- /dev/null
+++ b/drivers/acpi/acpica/dsargs.c
@@ -0,0 +1,391 @@
+/******************************************************************************
+ *
+ * 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);
+}
diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c
new file mode 100644
index 00000000000..26c49fff58d
--- /dev/null
+++ b/drivers/acpi/acpica/dscontrol.c
@@ -0,0 +1,410 @@
+/******************************************************************************
+ *
+ * Module Name: dscontrol - Support for execution control opcodes -
+ * if/else/while/return
+ *
+ *****************************************************************************/
+
+/*
+ * 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 "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dscontrol")
+
+/*******************************************************************************
+ *
+ * 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)
+ && ((walk_state->results->results.obj_desc[0])->
+ common.type == 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:
+
+ /*
+ * Set the single-step flag. This will cause the debugger (if present)
+ * to break to the console within the AML debugger at the start of the
+ * next AML instruction.
+ */
+ ACPI_DEBUGGER_EXEC(acpi_gbl_cm_single_step = TRUE);
+ ACPI_DEBUGGER_EXEC(acpi_os_printf
+ ("**break** Executed AML BreakPoint opcode\n"));
+
+ /* Call to the OSL in case OS wants a piece of the action */
+
+ status = acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,
+ "Executed AML Breakpoint opcode");
+ 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=0x%X Op=%p",
+ op->common.aml_opcode, op));
+
+ status = AE_AML_BAD_OPCODE;
+ break;
+ }
+
+ return (status);
+}
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index bbecf293aee..c627a288e02 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -1,7 +1,6 @@
/******************************************************************************
*
- * Module Name: dsopcode - Dispatcher Op Region support and handling of
- * "control" opcodes
+ * Module Name: dsopcode - Dispatcher suport for regions and fields
*
*****************************************************************************/
@@ -57,11 +56,6 @@ 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,
@@ -71,361 +65,6 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
/*******************************************************************************
*
- * 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);
- 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
@@ -826,8 +465,9 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
*
* RETURN: Status
*
- * DESCRIPTION: Get region address and length
- * Called from acpi_ds_exec_end_op during data_table_region parse tree walk
+ * DESCRIPTION: Get region address and length.
+ * Called from acpi_ds_exec_end_op during data_table_region parse
+ * tree walk.
*
******************************************************************************/
@@ -1114,360 +754,3 @@ acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
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)
- && ((walk_state->results->results.obj_desc[0])->
- common.type == 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:
-
- /*
- * Set the single-step flag. This will cause the debugger (if present)
- * to break to the console within the AML debugger at the start of the
- * next AML instruction.
- */
- ACPI_DEBUGGER_EXEC(acpi_gbl_cm_single_step = TRUE);
- ACPI_DEBUGGER_EXEC(acpi_os_printf
- ("**break** Executed AML BreakPoint opcode\n"));
-
- /* Call to the OSL in case OS wants a piece of the action */
-
- status = acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,
- "Executed AML Breakpoint opcode");
- 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=0x%X Op=%p",
- op->common.aml_opcode, op));
-
- status = AE_AML_BAD_OPCODE;
- break;
- }
-
- return (status);
-}
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index 52566ff5e90..23a3b1ab20c 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Module Name: dswload - Dispatcher namespace load callbacks
+ * Module Name: dswload - Dispatcher first pass namespace load callbacks
*
*****************************************************************************/
@@ -48,7 +48,6 @@
#include "acdispat.h"
#include "acinterp.h"
#include "acnamesp.h"
-#include "acevents.h"
#ifdef ACPI_ASL_COMPILER
#include <acpi/acdisasm.h>
@@ -537,670 +536,3 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
return_ACPI_STATUS(status);
}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_load2_begin_op
- *
- * PARAMETERS: walk_state - Current state of the parse tree walk
- * out_op - Wher to return op if a new one is created
- *
- * RETURN: Status
- *
- * DESCRIPTION: Descending callback used during the loading of ACPI tables.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
- union acpi_parse_object **out_op)
-{
- union acpi_parse_object *op;
- struct acpi_namespace_node *node;
- acpi_status status;
- acpi_object_type object_type;
- char *buffer_ptr;
- u32 flags;
-
- ACPI_FUNCTION_TRACE(ds_load2_begin_op);
-
- op = walk_state->op;
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
- walk_state));
-
- if (op) {
- if ((walk_state->control_state) &&
- (walk_state->control_state->common.state ==
- ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
-
- /* We are executing a while loop outside of a method */
-
- status = acpi_ds_exec_begin_op(walk_state, out_op);
- return_ACPI_STATUS(status);
- }
-
- /* We only care about Namespace opcodes here */
-
- if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
- (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
- (!(walk_state->op_info->flags & AML_NAMED))) {
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Get the name we are going to enter or lookup in the namespace */
-
- if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
-
- /* For Namepath op, get the path string */
-
- buffer_ptr = op->common.value.string;
- if (!buffer_ptr) {
-
- /* No name, just exit */
-
- return_ACPI_STATUS(AE_OK);
- }
- } else {
- /* Get name from the op */
-
- buffer_ptr = ACPI_CAST_PTR(char, &op->named.name);
- }
- } else {
- /* Get the namestring from the raw AML */
-
- buffer_ptr =
- acpi_ps_get_next_namestring(&walk_state->parser_state);
- }
-
- /* Map the opcode into an internal object type */
-
- object_type = walk_state->op_info->object_type;
-
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "State=%p Op=%p Type=%X\n", walk_state, op,
- object_type));
-
- switch (walk_state->opcode) {
- case AML_FIELD_OP:
- case AML_BANK_FIELD_OP:
- case AML_INDEX_FIELD_OP:
-
- node = NULL;
- status = AE_OK;
- break;
-
- case AML_INT_NAMEPATH_OP:
- /*
- * The name_path is an object reference to an existing object.
- * Don't enter the name into the namespace, but look it up
- * for use later.
- */
- status =
- acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
- object_type, ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT, walk_state, &(node));
- break;
-
- case AML_SCOPE_OP:
-
- /* Special case for Scope(\) -> refers to the Root node */
-
- if (op && (op->named.node == acpi_gbl_root_node)) {
- node = op->named.node;
-
- status =
- acpi_ds_scope_stack_push(node, object_type,
- walk_state);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- } else {
- /*
- * The Path is an object reference to an existing object.
- * Don't enter the name into the namespace, but look it up
- * for use later.
- */
- status =
- acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
- object_type, ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT, walk_state,
- &(node));
- if (ACPI_FAILURE(status)) {
-#ifdef ACPI_ASL_COMPILER
- if (status == AE_NOT_FOUND) {
- status = AE_OK;
- } else {
- ACPI_ERROR_NAMESPACE(buffer_ptr,
- status);
- }
-#else
- ACPI_ERROR_NAMESPACE(buffer_ptr, status);
-#endif
- return_ACPI_STATUS(status);
- }
- }
-
- /*
- * We must check to make sure that the target is
- * one of the opcodes that actually opens a scope
- */
- switch (node->type) {
- case ACPI_TYPE_ANY:
- case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
- case ACPI_TYPE_DEVICE:
- case ACPI_TYPE_POWER:
- case ACPI_TYPE_PROCESSOR:
- case ACPI_TYPE_THERMAL:
-
- /* These are acceptable types */
- break;
-
- case ACPI_TYPE_INTEGER:
- case ACPI_TYPE_STRING:
- case ACPI_TYPE_BUFFER:
-
- /*
- * These types we will allow, but we will change the type.
- * This enables some existing code of the form:
- *
- * Name (DEB, 0)
- * Scope (DEB) { ... }
- */
- ACPI_WARNING((AE_INFO,
- "Type override - [%4.4s] had invalid type (%s) "
- "for Scope operator, changed to type ANY\n",
- acpi_ut_get_node_name(node),
- acpi_ut_get_type_name(node->type)));
-
- node->type = ACPI_TYPE_ANY;
- walk_state->scope_info->common.value = ACPI_TYPE_ANY;
- break;
-
- default:
-
- /* All other types are an error */
-
- ACPI_ERROR((AE_INFO,
- "Invalid type (%s) for target of "
- "Scope operator [%4.4s] (Cannot override)",
- acpi_ut_get_type_name(node->type),
- acpi_ut_get_node_name(node)));
-
- return (AE_AML_OPERAND_TYPE);
- }
- break;
-
- default:
-
- /* All other opcodes */
-
- if (op && op->common.node) {
-
- /* This op/node was previously entered into the namespace */
-
- node = op->common.node;
-
- if (acpi_ns_opens_scope(object_type)) {
- status =
- acpi_ds_scope_stack_push(node, object_type,
- walk_state);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- return_ACPI_STATUS(AE_OK);
- }
-
- /*
- * Enter the named type into the internal namespace. We enter the name
- * as we go downward in the parse tree. Any necessary subobjects that
- * involve arguments to the opcode must be created as we go back up the
- * parse tree later.
- *
- * Note: Name may already exist if we are executing a deferred opcode.
- */
- if (walk_state->deferred_node) {
-
- /* This name is already in the namespace, get the node */
-
- node = walk_state->deferred_node;
- status = AE_OK;
- break;
- }
-
- flags = ACPI_NS_NO_UPSEARCH;
- if (walk_state->pass_number == ACPI_IMODE_EXECUTE) {
-
- /* Execution mode, node cannot already exist, node is temporary */
-
- flags |= ACPI_NS_ERROR_IF_FOUND;
-
- if (!
- (walk_state->
- parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
- flags |= ACPI_NS_TEMPORARY;
- }
- }
-
- /* Add new entry or lookup existing entry */
-
- status =
- acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
- object_type, ACPI_IMODE_LOAD_PASS2, flags,
- walk_state, &node);
-
- if (ACPI_SUCCESS(status) && (flags & ACPI_NS_TEMPORARY)) {
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "***New Node [%4.4s] %p is temporary\n",
- acpi_ut_get_node_name(node), node));
- }
- break;
- }
-
- if (ACPI_FAILURE(status)) {
- ACPI_ERROR_NAMESPACE(buffer_ptr, status);
- return_ACPI_STATUS(status);
- }
-
- if (!op) {
-
- /* Create a new op */
-
- op = acpi_ps_alloc_op(walk_state->opcode);
- if (!op) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- /* Initialize the new op */
-
- if (node) {
- op->named.name = node->name.integer;
- }
- *out_op = op;
- }
-
- /*
- * Put the Node in the "op" object that the parser uses, so we
- * can get it again quickly when this scope is closed
- */
- op->common.node = node;
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_load2_end_op
- *
- * PARAMETERS: walk_state - Current state of the parse tree walk
- *
- * RETURN: Status
- *
- * DESCRIPTION: Ascending callback used during the loading of the namespace,
- * both control methods and everything else.
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
-{
- union acpi_parse_object *op;
- acpi_status status = AE_OK;
- acpi_object_type object_type;
- struct acpi_namespace_node *node;
- union acpi_parse_object *arg;
- struct acpi_namespace_node *new_node;
-#ifndef ACPI_NO_METHOD_EXECUTION
- u32 i;
- u8 region_space;
-#endif
-
- ACPI_FUNCTION_TRACE(ds_load2_end_op);
-
- op = walk_state->op;
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
- walk_state->op_info->name, op, walk_state));
-
- /* Check if opcode had an associated namespace object */
-
- if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
- return_ACPI_STATUS(AE_OK);
- }
-
- if (op->common.aml_opcode == AML_SCOPE_OP) {
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "Ending scope Op=%p State=%p\n", op,
- walk_state));
- }
-
- object_type = walk_state->op_info->object_type;
-
- /*
- * Get the Node/name from the earlier lookup
- * (It was saved in the *op structure)
- */
- node = op->common.node;
-
- /*
- * Put the Node on the object stack (Contains the ACPI Name of
- * this object)
- */
- walk_state->operands[0] = (void *)node;
- walk_state->num_operands = 1;
-
- /* Pop the scope stack */
-
- if (acpi_ns_opens_scope(object_type) &&
- (op->common.aml_opcode != AML_INT_METHODCALL_OP)) {
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "(%s) Popping scope for Op %p\n",
- acpi_ut_get_type_name(object_type), op));
-
- status = acpi_ds_scope_stack_pop(walk_state);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
- }
-
- /*
- * Named operations are as follows:
- *
- * AML_ALIAS
- * AML_BANKFIELD
- * AML_CREATEBITFIELD
- * AML_CREATEBYTEFIELD
- * AML_CREATEDWORDFIELD
- * AML_CREATEFIELD
- * AML_CREATEQWORDFIELD
- * AML_CREATEWORDFIELD
- * AML_DATA_REGION
- * AML_DEVICE
- * AML_EVENT
- * AML_FIELD
- * AML_INDEXFIELD
- * AML_METHOD
- * AML_METHODCALL
- * AML_MUTEX
- * AML_NAME
- * AML_NAMEDFIELD
- * AML_OPREGION
- * AML_POWERRES
- * AML_PROCESSOR
- * AML_SCOPE
- * AML_THERMALZONE
- */
-
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
- acpi_ps_get_opcode_name(op->common.aml_opcode),
- walk_state, op, node));
-
- /* Decode the opcode */
-
- arg = op->common.value.arg;
-
- switch (walk_state->op_info->type) {
-#ifndef ACPI_NO_METHOD_EXECUTION
-
- case AML_TYPE_CREATE_FIELD:
- /*
- * Create the field object, but the field buffer and index must
- * be evaluated later during the execution phase
- */
- status = acpi_ds_create_buffer_field(op, walk_state);
- break;
-
- case AML_TYPE_NAMED_FIELD:
- /*
- * If we are executing a method, initialize the field
- */
- if (walk_state->method_node) {
- status = acpi_ds_init_field_objects(op, walk_state);
- }
-
- switch (op->common.aml_opcode) {
- case AML_INDEX_FIELD_OP:
-
- status =
- acpi_ds_create_index_field(op,
- (acpi_handle) arg->
- common.node, walk_state);
- break;
-
- case AML_BANK_FIELD_OP:
-
- status =
- acpi_ds_create_bank_field(op, arg->common.node,
- walk_state);
- break;
-
- case AML_FIELD_OP:
-
- status =
- acpi_ds_create_field(op, arg->common.node,
- walk_state);
- break;
-
- default:
- /* All NAMED_FIELD opcodes must be handled above */
- break;
- }
- break;
-
- case AML_TYPE_NAMED_SIMPLE:
-
- status = acpi_ds_create_operands(walk_state, arg);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
-
- switch (op->common.aml_opcode) {
- case AML_PROCESSOR_OP:
-
- status = acpi_ex_create_processor(walk_state);
- break;
-
- case AML_POWER_RES_OP:
-
- status = acpi_ex_create_power_resource(walk_state);
- break;
-
- case AML_MUTEX_OP:
-
- status = acpi_ex_create_mutex(walk_state);
- break;
-
- case AML_EVENT_OP:
-
- status = acpi_ex_create_event(walk_state);
- break;
-
- case AML_ALIAS_OP:
-
- status = acpi_ex_create_alias(walk_state);
- break;
-
- default:
- /* Unknown opcode */
-
- status = AE_OK;
- goto cleanup;
- }
-
- /* Delete operands */
-
- for (i = 1; i < walk_state->num_operands; i++) {
- acpi_ut_remove_reference(walk_state->operands[i]);
- walk_state->operands[i] = NULL;
- }
-
- break;
-#endif /* ACPI_NO_METHOD_EXECUTION */
-
- case AML_TYPE_NAMED_COMPLEX:
-
- switch (op->common.aml_opcode) {
-#ifndef ACPI_NO_METHOD_EXECUTION
- case AML_REGION_OP:
- case AML_DATA_REGION_OP:
-
- if (op->common.aml_opcode == AML_REGION_OP) {
- region_space = (acpi_adr_space_type)
- ((op->common.value.arg)->common.value.
- integer);
- } else {
- region_space = REGION_DATA_TABLE;
- }
-
- /*
- * The op_region is not fully parsed at this time. The only valid
- * argument is the space_id. (We must save the address of the
- * AML of the address and length operands)
- *
- * If we have a valid region, initialize it. The namespace is
- * unlocked at this point.
- *
- * Need to unlock interpreter if it is locked (if we are running
- * a control method), in order to allow _REG methods to be run
- * during acpi_ev_initialize_region.
- */
- if (walk_state->method_node) {
- /*
- * Executing a method: initialize the region and unlock
- * the interpreter
- */
- status =
- acpi_ex_create_region(op->named.data,
- op->named.length,
- region_space,
- walk_state);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- acpi_ex_exit_interpreter();
- }
-
- status =
- acpi_ev_initialize_region
- (acpi_ns_get_attached_object(node), FALSE);
- if (walk_state->method_node) {
- acpi_ex_enter_interpreter();
- }
-
- if (ACPI_FAILURE(status)) {
- /*
- * If AE_NOT_EXIST is returned, it is not fatal
- * because many regions get created before a handler
- * is installed for said region.
- */
- if (AE_NOT_EXIST == status) {
- status = AE_OK;
- }
- }
- break;
-
- case AML_NAME_OP:
-
- status = acpi_ds_create_node(walk_state, node, op);
- break;
-
- case AML_METHOD_OP:
- /*
- * method_op pkg_length name_string method_flags term_list
- *
- * Note: We must create the method node/object pair as soon as we
- * see the method declaration. This allows later pass1 parsing
- * of invocations of the method (need to know the number of
- * arguments.)
- */
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
- walk_state, op, op->named.node));
-
- if (!acpi_ns_get_attached_object(op->named.node)) {
- walk_state->operands[0] =
- ACPI_CAST_PTR(void, op->named.node);
- walk_state->num_operands = 1;
-
- status =
- acpi_ds_create_operands(walk_state,
- op->common.value.
- arg);
- if (ACPI_SUCCESS(status)) {
- status =
- acpi_ex_create_method(op->named.
- data,
- op->named.
- length,
- walk_state);
- }
- walk_state->operands[0] = NULL;
- walk_state->num_operands = 0;
-
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
- break;
-
-#endif /* ACPI_NO_METHOD_EXECUTION */
-
- default:
- /* All NAMED_COMPLEX opcodes must be handled above */
- break;
- }
- break;
-
- case AML_CLASS_INTERNAL:
-
- /* case AML_INT_NAMEPATH_OP: */
- break;
-
- case AML_CLASS_METHOD_CALL:
-
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
- walk_state, op, node));
-
- /*
- * Lookup the method name and save the Node
- */
- status =
- acpi_ns_lookup(walk_state->scope_info,
- arg->common.value.string, ACPI_TYPE_ANY,
- ACPI_IMODE_LOAD_PASS2,
- ACPI_NS_SEARCH_PARENT |
- ACPI_NS_DONT_OPEN_SCOPE, walk_state,
- &(new_node));
- if (ACPI_SUCCESS(status)) {
- /*
- * Make sure that what we found is indeed a method
- * We didn't search for a method on purpose, to see if the name
- * would resolve
- */
- if (new_node->type != ACPI_TYPE_METHOD) {
- status = AE_AML_OPERAND_TYPE;
- }
-
- /* We could put the returned object (Node) on the object stack for
- * later, but for now, we will put it in the "op" object that the
- * parser uses, so we can get it again at the end of this scope
- */
- op->common.node = new_node;
- } else {
- ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
- }
- break;
-
- default:
- break;
- }
-
- cleanup:
-
- /* Remove the Node pushed at the very beginning */
-
- walk_state->operands[0] = NULL;
- walk_state->num_operands = 0;
- return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c
new file mode 100644
index 00000000000..4be4e921dfe
--- /dev/null
+++ b/drivers/acpi/acpica/dswload2.c
@@ -0,0 +1,720 @@
+/******************************************************************************
+ *
+ * Module Name: dswload2 - Dispatcher second pass namespace load callbacks
+ *
+ *****************************************************************************/
+
+/*
+ * 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 "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+#define _COMPONENT ACPI_DISPATCHER
+ACPI_MODULE_NAME("dswload2")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_load2_begin_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * out_op - Wher to return op if a new one is created
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op)
+{
+ union acpi_parse_object *op;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ acpi_object_type object_type;
+ char *buffer_ptr;
+ u32 flags;
+
+ ACPI_FUNCTION_TRACE(ds_load2_begin_op);
+
+ op = walk_state->op;
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
+ walk_state));
+
+ if (op) {
+ if ((walk_state->control_state) &&
+ (walk_state->control_state->common.state ==
+ ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
+
+ /* We are executing a while loop outside of a method */
+
+ status = acpi_ds_exec_begin_op(walk_state, out_op);
+ return_ACPI_STATUS(status);
+ }
+
+ /* We only care about Namespace opcodes here */
+
+ if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
+ (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
+ (!(walk_state->op_info->flags & AML_NAMED))) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Get the name we are going to enter or lookup in the namespace */
+
+ if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
+
+ /* For Namepath op, get the path string */
+
+ buffer_ptr = op->common.value.string;
+ if (!buffer_ptr) {
+
+ /* No name, just exit */
+
+ return_ACPI_STATUS(AE_OK);
+ }
+ } else {
+ /* Get name from the op */
+
+ buffer_ptr = ACPI_CAST_PTR(char, &op->named.name);
+ }
+ } else {
+ /* Get the namestring from the raw AML */
+
+ buffer_ptr =
+ acpi_ps_get_next_namestring(&walk_state->parser_state);
+ }
+
+ /* Map the opcode into an internal object type */
+
+ object_type = walk_state->op_info->object_type;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "State=%p Op=%p Type=%X\n", walk_state, op,
+ object_type));
+
+ switch (walk_state->opcode) {
+ case AML_FIELD_OP:
+ case AML_BANK_FIELD_OP:
+ case AML_INDEX_FIELD_OP:
+
+ node = NULL;
+ status = AE_OK;
+ break;
+
+ case AML_INT_NAMEPATH_OP:
+ /*
+ * The name_path is an object reference to an existing object.
+ * Don't enter the name into the namespace, but look it up
+ * for use later.
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
+ object_type, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state, &(node));
+ break;
+
+ case AML_SCOPE_OP:
+
+ /* Special case for Scope(\) -> refers to the Root node */
+
+ if (op && (op->named.node == acpi_gbl_root_node)) {
+ node = op->named.node;
+
+ status =
+ acpi_ds_scope_stack_push(node, object_type,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ } else {
+ /*
+ * The Path is an object reference to an existing object.
+ * Don't enter the name into the namespace, but look it up
+ * for use later.
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
+ object_type, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT, walk_state,
+ &(node));
+ if (ACPI_FAILURE(status)) {
+#ifdef ACPI_ASL_COMPILER
+ if (status == AE_NOT_FOUND) {
+ status = AE_OK;
+ } else {
+ ACPI_ERROR_NAMESPACE(buffer_ptr,
+ status);
+ }
+#else
+ ACPI_ERROR_NAMESPACE(buffer_ptr, status);
+#endif
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /*
+ * We must check to make sure that the target is
+ * one of the opcodes that actually opens a scope
+ */
+ switch (node->type) {
+ case ACPI_TYPE_ANY:
+ case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+
+ /* These are acceptable types */
+ break;
+
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /*
+ * These types we will allow, but we will change the type.
+ * This enables some existing code of the form:
+ *
+ * Name (DEB, 0)
+ * Scope (DEB) { ... }
+ */
+ ACPI_WARNING((AE_INFO,
+ "Type override - [%4.4s] had invalid type (%s) "
+ "for Scope operator, changed to type ANY\n",
+ acpi_ut_get_node_name(node),
+ acpi_ut_get_type_name(node->type)));
+
+ node->type = ACPI_TYPE_ANY;
+ walk_state->scope_info->common.value = ACPI_TYPE_ANY;
+ break;
+
+ default:
+
+ /* All other types are an error */
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid type (%s) for target of "
+ "Scope operator [%4.4s] (Cannot override)",
+ acpi_ut_get_type_name(node->type),
+ acpi_ut_get_node_name(node)));
+
+ return (AE_AML_OPERAND_TYPE);
+ }
+ break;
+
+ default:
+
+ /* All other opcodes */
+
+ if (op && op->common.node) {
+
+ /* This op/node was previously entered into the namespace */
+
+ node = op->common.node;
+
+ if (acpi_ns_opens_scope(object_type)) {
+ status =
+ acpi_ds_scope_stack_push(node, object_type,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Enter the named type into the internal namespace. We enter the name
+ * as we go downward in the parse tree. Any necessary subobjects that
+ * involve arguments to the opcode must be created as we go back up the
+ * parse tree later.
+ *
+ * Note: Name may already exist if we are executing a deferred opcode.
+ */
+ if (walk_state->deferred_node) {
+
+ /* This name is already in the namespace, get the node */
+
+ node = walk_state->deferred_node;
+ status = AE_OK;
+ break;
+ }
+
+ flags = ACPI_NS_NO_UPSEARCH;
+ if (walk_state->pass_number == ACPI_IMODE_EXECUTE) {
+
+ /* Execution mode, node cannot already exist, node is temporary */
+
+ flags |= ACPI_NS_ERROR_IF_FOUND;
+
+ if (!
+ (walk_state->
+ parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
+ flags |= ACPI_NS_TEMPORARY;
+ }
+ }
+
+ /* Add new entry or lookup existing entry */
+
+ status =
+ acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
+ object_type, ACPI_IMODE_LOAD_PASS2, flags,
+ walk_state, &node);
+
+ if (ACPI_SUCCESS(status) && (flags & ACPI_NS_TEMPORARY)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "***New Node [%4.4s] %p is temporary\n",
+ acpi_ut_get_node_name(node), node));
+ }
+ break;
+ }
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(buffer_ptr, status);
+ return_ACPI_STATUS(status);
+ }
+
+ if (!op) {
+
+ /* Create a new op */
+
+ op = acpi_ps_alloc_op(walk_state->opcode);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Initialize the new op */
+
+ if (node) {
+ op->named.name = node->name.integer;
+ }
+ *out_op = op;
+ }
+
+ /*
+ * Put the Node in the "op" object that the parser uses, so we
+ * can get it again quickly when this scope is closed
+ */
+ op->common.node = node;
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_load2_end_op
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Ascending callback used during the loading of the namespace,
+ * both control methods and everything else.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
+{
+ union acpi_parse_object *op;
+ acpi_status status = AE_OK;
+ acpi_object_type object_type;
+ struct acpi_namespace_node *node;
+ union acpi_parse_object *arg;
+ struct acpi_namespace_node *new_node;
+#ifndef ACPI_NO_METHOD_EXECUTION
+ u32 i;
+ u8 region_space;
+#endif
+
+ ACPI_FUNCTION_TRACE(ds_load2_end_op);
+
+ op = walk_state->op;
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
+ walk_state->op_info->name, op, walk_state));
+
+ /* Check if opcode had an associated namespace object */
+
+ if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ if (op->common.aml_opcode == AML_SCOPE_OP) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Ending scope Op=%p State=%p\n", op,
+ walk_state));
+ }
+
+ object_type = walk_state->op_info->object_type;
+
+ /*
+ * Get the Node/name from the earlier lookup
+ * (It was saved in the *op structure)
+ */
+ node = op->common.node;
+
+ /*
+ * Put the Node on the object stack (Contains the ACPI Name of
+ * this object)
+ */
+ walk_state->operands[0] = (void *)node;
+ walk_state->num_operands = 1;
+
+ /* Pop the scope stack */
+
+ if (acpi_ns_opens_scope(object_type) &&
+ (op->common.aml_opcode != AML_INT_METHODCALL_OP)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "(%s) Popping scope for Op %p\n",
+ acpi_ut_get_type_name(object_type), op));
+
+ status = acpi_ds_scope_stack_pop(walk_state);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+ }
+
+ /*
+ * Named operations are as follows:
+ *
+ * AML_ALIAS
+ * AML_BANKFIELD
+ * AML_CREATEBITFIELD
+ * AML_CREATEBYTEFIELD
+ * AML_CREATEDWORDFIELD
+ * AML_CREATEFIELD
+ * AML_CREATEQWORDFIELD
+ * AML_CREATEWORDFIELD
+ * AML_DATA_REGION
+ * AML_DEVICE
+ * AML_EVENT
+ * AML_FIELD
+ * AML_INDEXFIELD
+ * AML_METHOD
+ * AML_METHODCALL
+ * AML_MUTEX
+ * AML_NAME
+ * AML_NAMEDFIELD
+ * AML_OPREGION
+ * AML_POWERRES
+ * AML_PROCESSOR
+ * AML_SCOPE
+ * AML_THERMALZONE
+ */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ walk_state, op, node));
+
+ /* Decode the opcode */
+
+ arg = op->common.value.arg;
+
+ switch (walk_state->op_info->type) {
+#ifndef ACPI_NO_METHOD_EXECUTION
+
+ case AML_TYPE_CREATE_FIELD:
+ /*
+ * Create the field object, but the field buffer and index must
+ * be evaluated later during the execution phase
+ */
+ status = acpi_ds_create_buffer_field(op, walk_state);
+ break;
+
+ case AML_TYPE_NAMED_FIELD:
+ /*
+ * If we are executing a method, initialize the field
+ */
+ if (walk_state->method_node) {
+ status = acpi_ds_init_field_objects(op, walk_state);
+ }
+
+ switch (op->common.aml_opcode) {
+ case AML_INDEX_FIELD_OP:
+
+ status =
+ acpi_ds_create_index_field(op,
+ (acpi_handle) arg->
+ common.node, walk_state);
+ break;
+
+ case AML_BANK_FIELD_OP:
+
+ status =
+ acpi_ds_create_bank_field(op, arg->common.node,
+ walk_state);
+ break;
+
+ case AML_FIELD_OP:
+
+ status =
+ acpi_ds_create_field(op, arg->common.node,
+ walk_state);
+ break;
+
+ default:
+ /* All NAMED_FIELD opcodes must be handled above */
+ break;
+ }
+ break;
+
+ case AML_TYPE_NAMED_SIMPLE:
+
+ status = acpi_ds_create_operands(walk_state, arg);
+ if (ACPI_FAILURE(status)) {
+ goto cleanup;
+ }
+
+ switch (op->common.aml_opcode) {
+ case AML_PROCESSOR_OP:
+
+ status = acpi_ex_create_processor(walk_state);
+ break;
+
+ case AML_POWER_RES_OP:
+
+ status = acpi_ex_create_power_resource(walk_state);
+ break;
+
+ case AML_MUTEX_OP:
+
+ status = acpi_ex_create_mutex(walk_state);
+ break;
+
+ case AML_EVENT_OP:
+
+ status = acpi_ex_create_event(walk_state);
+ break;
+
+ case AML_ALIAS_OP:
+
+ status = acpi_ex_create_alias(walk_state);
+ break;
+
+ default:
+ /* Unknown opcode */
+
+ status = AE_OK;
+ goto cleanup;
+ }
+
+ /* Delete operands */
+
+ for (i = 1; i < walk_state->num_operands; i++) {
+ acpi_ut_remove_reference(walk_state->operands[i]);
+ walk_state->operands[i] = NULL;
+ }
+
+ break;
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+ case AML_TYPE_NAMED_COMPLEX:
+
+ switch (op->common.aml_opcode) {
+#ifndef ACPI_NO_METHOD_EXECUTION
+ case AML_REGION_OP:
+ case AML_DATA_REGION_OP:
+
+ if (op->common.aml_opcode == AML_REGION_OP) {
+ region_space = (acpi_adr_space_type)
+ ((op->common.value.arg)->common.value.
+ integer);
+ } else {
+ region_space = REGION_DATA_TABLE;
+ }
+
+ /*
+ * The op_region is not fully parsed at this time. The only valid
+ * argument is the space_id. (We must save the address of the
+ * AML of the address and length operands)
+ *
+ * If we have a valid region, initialize it. The namespace is
+ * unlocked at this point.
+ *
+ * Need to unlock interpreter if it is locked (if we are running
+ * a control method), in order to allow _REG methods to be run
+ * during acpi_ev_initialize_region.
+ */
+ if (walk_state->method_node) {
+ /*
+ * Executing a method: initialize the region and unlock
+ * the interpreter
+ */
+ status =
+ acpi_ex_create_region(op->named.data,
+ op->named.length,
+ region_space,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ acpi_ex_exit_interpreter();
+ }
+
+ status =
+ acpi_ev_initialize_region
+ (acpi_ns_get_attached_object(node), FALSE);
+ if (walk_state->method_node) {
+ acpi_ex_enter_interpreter();
+ }
+
+ if (ACPI_FAILURE(status)) {
+ /*
+ * If AE_NOT_EXIST is returned, it is not fatal
+ * because many regions get created before a handler
+ * is installed for said region.
+ */
+ if (AE_NOT_EXIST == status) {
+ status = AE_OK;
+ }
+ }
+ break;
+
+ case AML_NAME_OP:
+
+ status = acpi_ds_create_node(walk_state, node, op);
+ break;
+
+ case AML_METHOD_OP:
+ /*
+ * method_op pkg_length name_string method_flags term_list
+ *
+ * Note: We must create the method node/object pair as soon as we
+ * see the method declaration. This allows later pass1 parsing
+ * of invocations of the method (need to know the number of
+ * arguments.)
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
+ walk_state, op, op->named.node));
+
+ if (!acpi_ns_get_attached_object(op->named.node)) {
+ walk_state->operands[0] =
+ ACPI_CAST_PTR(void, op->named.node);
+ walk_state->num_operands = 1;
+
+ status =
+ acpi_ds_create_operands(walk_state,
+ op->common.value.
+ arg);
+ if (ACPI_SUCCESS(status)) {
+ status =
+ acpi_ex_create_method(op->named.
+ data,
+ op->named.
+ length,
+ walk_state);
+ }
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ break;
+
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+ default:
+ /* All NAMED_COMPLEX opcodes must be handled above */
+ break;
+ }
+ break;
+
+ case AML_CLASS_INTERNAL:
+
+ /* case AML_INT_NAMEPATH_OP: */
+ break;
+
+ case AML_CLASS_METHOD_CALL:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
+ walk_state, op, node));
+
+ /*
+ * Lookup the method name and save the Node
+ */
+ status =
+ acpi_ns_lookup(walk_state->scope_info,
+ arg->common.value.string, ACPI_TYPE_ANY,
+ ACPI_IMODE_LOAD_PASS2,
+ ACPI_NS_SEARCH_PARENT |
+ ACPI_NS_DONT_OPEN_SCOPE, walk_state,
+ &(new_node));
+ if (ACPI_SUCCESS(status)) {
+ /*
+ * Make sure that what we found is indeed a method
+ * We didn't search for a method on purpose, to see if the name
+ * would resolve
+ */
+ if (new_node->type != ACPI_TYPE_METHOD) {
+ status = AE_AML_OPERAND_TYPE;
+ }
+
+ /* We could put the returned object (Node) on the object stack for
+ * later, but for now, we will put it in the "op" object that the
+ * parser uses, so we can get it again at the end of this scope
+ */
+ op->common.node = new_node;
+ } else {
+ ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ cleanup:
+
+ /* Remove the Node pushed at the very beginning */
+
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index f4725212eb4..65c79add3b1 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -373,6 +373,15 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
gpe_register_info = &gpe_block->register_info[i];
+ /*
+ * Optimization: If there are no GPEs enabled within this
+ * register, we can safely ignore the entire register.
+ */
+ if (!(gpe_register_info->enable_for_run |
+ gpe_register_info->enable_for_wake)) {
+ continue;
+ }
+
/* Read the Status Register */
status =
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 785a5ee6458..bea7223d7a7 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -231,6 +231,8 @@ acpi_status acpi_ev_initialize_op_regions(void)
}
}
+ acpi_gbl_reg_methods_executed = TRUE;
+
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index eb738676371..c85c8c45599 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -110,9 +110,39 @@ acpi_install_address_space_handler(acpi_handle device,
goto unlock_and_exit;
}
- /* Run all _REG methods for this address space */
+ /*
+ * For the default space_iDs, (the IDs for which there are default region handlers
+ * installed) Only execute the _REG methods if the global initialization _REG
+ * methods have already been run (via acpi_initialize_objects). In other words,
+ * we will defer the execution of the _REG methods for these space_iDs until
+ * execution of acpi_initialize_objects. This is done because we need the handlers
+ * for the default spaces (mem/io/pci/table) to be installed before we can run
+ * any control methods (or _REG methods). There is known BIOS code that depends
+ * on this.
+ *
+ * For all other space_iDs, we can safely execute the _REG methods immediately.
+ * This means that for IDs like embedded_controller, this function should be called
+ * only after acpi_enable_subsystem has been called.
+ */
+ switch (space_id) {
+ case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+ case ACPI_ADR_SPACE_SYSTEM_IO:
+ case ACPI_ADR_SPACE_PCI_CONFIG:
+ case ACPI_ADR_SPACE_DATA_TABLE:
+
+ if (acpi_gbl_reg_methods_executed) {
+
+ /* Run all _REG methods for this address space */
+
+ status = acpi_ev_execute_reg_methods(node, space_id);
+ }
+ break;
+
+ default:
- status = acpi_ev_execute_reg_methods(node, space_id);
+ status = acpi_ev_execute_reg_methods(node, space_id);
+ break;
+ }
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index 6c79c29f082..f915a7f3f92 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -280,13 +280,13 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_IMPLEMENTED) {
ACPI_ERROR((AE_INFO,
- "Region %s(0x%X) not implemented",
+ "Region %s (ID=%u) not implemented",
acpi_ut_get_region_name(rgn_desc->region.
space_id),
rgn_desc->region.space_id));
} else if (status == AE_NOT_EXIST) {
ACPI_ERROR((AE_INFO,
- "Region %s(0x%X) has no handler",
+ "Region %s (ID=%u) has no handler",
acpi_ut_get_region_name(rgn_desc->region.
space_id),
rgn_desc->region.space_id));
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index 428d44e2d16..6f5588e62c0 100644
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -384,8 +384,11 @@ static void acpi_tb_convert_fadt(void)
*
* The ACPI 1.0 reserved fields that will be zeroed are the bytes located at
* offset 45, 55, 95, and the word located at offset 109, 110.
+ *
+ * Note: The FADT revision value is unreliable. Only the length can be
+ * trusted.
*/
- if (acpi_gbl_FADT.header.revision < FADT2_REVISION_ID) {
+ if (acpi_gbl_FADT.header.length <= ACPI_FADT_V2_SIZE) {
acpi_gbl_FADT.preferred_profile = 0;
acpi_gbl_FADT.pstate_control = 0;
acpi_gbl_FADT.cst_control = 0;
diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c
new file mode 100644
index 00000000000..136a814cec6
--- /dev/null
+++ b/drivers/acpi/acpica/utdecode.c
@@ -0,0 +1,548 @@
+/******************************************************************************
+ *
+ * Module Name: utdecode - Utility decoding routines (value-to-string)
+ *
+ *****************************************************************************/
+
+/*
+ * 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 "acnamesp.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utdecode")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_format_exception
+ *
+ * PARAMETERS: Status - The acpi_status code to be formatted
+ *
+ * RETURN: A string containing the exception text. A valid pointer is
+ * always returned.
+ *
+ * DESCRIPTION: This function translates an ACPI exception into an ASCII string
+ * It is here instead of utxface.c so it is always present.
+ *
+ ******************************************************************************/
+const char *acpi_format_exception(acpi_status status)
+{
+ const char *exception = NULL;
+
+ ACPI_FUNCTION_ENTRY();
+
+ exception = acpi_ut_validate_exception(status);
+ if (!exception) {
+
+ /* Exception code was not recognized */
+
+ ACPI_ERROR((AE_INFO,
+ "Unknown exception code: 0x%8.8X", status));
+
+ exception = "UNKNOWN_STATUS_CODE";
+ }
+
+ return (ACPI_CAST_PTR(const char, exception));
+}
+
+ACPI_EXPORT_SYMBOL(acpi_format_exception)
+
+/*
+ * Properties of the ACPI Object Types, both internal and external.
+ * The table is indexed by values of acpi_object_type
+ */
+const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES] = {
+ ACPI_NS_NORMAL, /* 00 Any */
+ ACPI_NS_NORMAL, /* 01 Number */
+ ACPI_NS_NORMAL, /* 02 String */
+ ACPI_NS_NORMAL, /* 03 Buffer */
+ ACPI_NS_NORMAL, /* 04 Package */
+ ACPI_NS_NORMAL, /* 05 field_unit */
+ ACPI_NS_NEWSCOPE, /* 06 Device */
+ ACPI_NS_NORMAL, /* 07 Event */
+ ACPI_NS_NEWSCOPE, /* 08 Method */
+ ACPI_NS_NORMAL, /* 09 Mutex */
+ ACPI_NS_NORMAL, /* 10 Region */
+ ACPI_NS_NEWSCOPE, /* 11 Power */
+ ACPI_NS_NEWSCOPE, /* 12 Processor */
+ ACPI_NS_NEWSCOPE, /* 13 Thermal */
+ ACPI_NS_NORMAL, /* 14 buffer_field */
+ ACPI_NS_NORMAL, /* 15 ddb_handle */
+ ACPI_NS_NORMAL, /* 16 Debug Object */
+ ACPI_NS_NORMAL, /* 17 def_field */
+ ACPI_NS_NORMAL, /* 18 bank_field */
+ ACPI_NS_NORMAL, /* 19 index_field */
+ ACPI_NS_NORMAL, /* 20 Reference */
+ ACPI_NS_NORMAL, /* 21 Alias */
+ ACPI_NS_NORMAL, /* 22 method_alias */
+ ACPI_NS_NORMAL, /* 23 Notify */
+ ACPI_NS_NORMAL, /* 24 Address Handler */
+ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
+ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
+ ACPI_NS_NEWSCOPE, /* 27 Scope */
+ ACPI_NS_NORMAL, /* 28 Extra */
+ ACPI_NS_NORMAL, /* 29 Data */
+ ACPI_NS_NORMAL /* 30 Invalid */
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_hex_to_ascii_char
+ *
+ * PARAMETERS: Integer - Contains the hex digit
+ * Position - bit position of the digit within the
+ * integer (multiple of 4)
+ *
+ * RETURN: The converted Ascii character
+ *
+ * DESCRIPTION: Convert a hex digit to an Ascii character
+ *
+ ******************************************************************************/
+
+/* Hex to ASCII conversion table */
+
+static const char acpi_gbl_hex_to_ascii[] = {
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
+};
+
+char acpi_ut_hex_to_ascii_char(u64 integer, u32 position)
+{
+
+ return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_region_name
+ *
+ * PARAMETERS: Space ID - ID for the region
+ *
+ * RETURN: Decoded region space_id name
+ *
+ * DESCRIPTION: Translate a Space ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Region type decoding */
+
+const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
+ "SystemMemory",
+ "SystemIO",
+ "PCI_Config",
+ "EmbeddedControl",
+ "SMBus",
+ "SystemCMOS",
+ "PCIBARTarget",
+ "IPMI",
+ "DataTable"
+};
+
+char *acpi_ut_get_region_name(u8 space_id)
+{
+
+ if (space_id >= ACPI_USER_REGION_BEGIN) {
+ return ("UserDefinedRegion");
+ } else if (space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) {
+ return ("FunctionalFixedHW");
+ } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) {
+ return ("InvalidSpaceId");
+ }
+
+ return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id]));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_event_name
+ *
+ * PARAMETERS: event_id - Fixed event ID
+ *
+ * RETURN: Decoded event ID name
+ *
+ * DESCRIPTION: Translate a Event ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Event type decoding */
+
+static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = {
+ "PM_Timer",
+ "GlobalLock",
+ "PowerButton",
+ "SleepButton",
+ "RealTimeClock",
+};
+
+char *acpi_ut_get_event_name(u32 event_id)
+{
+
+ if (event_id > ACPI_EVENT_MAX) {
+ return ("InvalidEventID");
+ }
+
+ return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id]));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_type_name
+ *
+ * PARAMETERS: Type - An ACPI object type
+ *
+ * RETURN: Decoded ACPI object type name
+ *
+ * DESCRIPTION: Translate a Type ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/*
+ * Elements of acpi_gbl_ns_type_names below must match
+ * one-to-one with values of acpi_object_type
+ *
+ * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
+ * when stored in a table it really means that we have thus far seen no
+ * evidence to indicate what type is actually going to be stored for this entry.
+ */
+static const char acpi_gbl_bad_type[] = "UNDEFINED";
+
+/* Printable names of the ACPI object types */
+
+static const char *acpi_gbl_ns_type_names[] = {
+ /* 00 */ "Untyped",
+ /* 01 */ "Integer",
+ /* 02 */ "String",
+ /* 03 */ "Buffer",
+ /* 04 */ "Package",
+ /* 05 */ "FieldUnit",
+ /* 06 */ "Device",
+ /* 07 */ "Event",
+ /* 08 */ "Method",
+ /* 09 */ "Mutex",
+ /* 10 */ "Region",
+ /* 11 */ "Power",
+ /* 12 */ "Processor",
+ /* 13 */ "Thermal",
+ /* 14 */ "BufferField",
+ /* 15 */ "DdbHandle",
+ /* 16 */ "DebugObject",
+ /* 17 */ "RegionField",
+ /* 18 */ "BankField",
+ /* 19 */ "IndexField",
+ /* 20 */ "Reference",
+ /* 21 */ "Alias",
+ /* 22 */ "MethodAlias",
+ /* 23 */ "Notify",
+ /* 24 */ "AddrHandler",
+ /* 25 */ "ResourceDesc",
+ /* 26 */ "ResourceFld",
+ /* 27 */ "Scope",
+ /* 28 */ "Extra",
+ /* 29 */ "Data",
+ /* 30 */ "Invalid"
+};
+
+char *acpi_ut_get_type_name(acpi_object_type type)
+{
+
+ if (type > ACPI_TYPE_INVALID) {
+ return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));
+ }
+
+ return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type]));
+}
+
+char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc)
+{
+
+ if (!obj_desc) {
+ return ("[NULL Object Descriptor]");
+ }
+
+ return (acpi_ut_get_type_name(obj_desc->common.type));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_node_name
+ *
+ * PARAMETERS: Object - A namespace node
+ *
+ * RETURN: ASCII name of the node
+ *
+ * DESCRIPTION: Validate the node and return the node's ACPI name.
+ *
+ ******************************************************************************/
+
+char *acpi_ut_get_node_name(void *object)
+{
+ struct acpi_namespace_node *node = (struct acpi_namespace_node *)object;
+
+ /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
+
+ if (!object) {
+ return ("NULL");
+ }
+
+ /* Check for Root node */
+
+ if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) {
+ return ("\"\\\" ");
+ }
+
+ /* Descriptor must be a namespace node */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
+ return ("####");
+ }
+
+ /*
+ * Ensure name is valid. The name was validated/repaired when the node
+ * was created, but make sure it has not been corrupted.
+ */
+ acpi_ut_repair_name(node->name.ascii);
+
+ /* Return the name */
+
+ return (node->name.ascii);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_descriptor_name
+ *
+ * PARAMETERS: Object - An ACPI object
+ *
+ * RETURN: Decoded name of the descriptor type
+ *
+ * DESCRIPTION: Validate object and return the descriptor type
+ *
+ ******************************************************************************/
+
+/* Printable names of object descriptor types */
+
+static const char *acpi_gbl_desc_type_names[] = {
+ /* 00 */ "Not a Descriptor",
+ /* 01 */ "Cached",
+ /* 02 */ "State-Generic",
+ /* 03 */ "State-Update",
+ /* 04 */ "State-Package",
+ /* 05 */ "State-Control",
+ /* 06 */ "State-RootParseScope",
+ /* 07 */ "State-ParseScope",
+ /* 08 */ "State-WalkScope",
+ /* 09 */ "State-Result",
+ /* 10 */ "State-Notify",
+ /* 11 */ "State-Thread",
+ /* 12 */ "Walk",
+ /* 13 */ "Parser",
+ /* 14 */ "Operand",
+ /* 15 */ "Node"
+};
+
+char *acpi_ut_get_descriptor_name(void *object)
+{
+
+ if (!object) {
+ return ("NULL OBJECT");
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) {
+ return ("Not a Descriptor");
+ }
+
+ return (ACPI_CAST_PTR(char,
+ acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE
+ (object)]));
+
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_reference_name
+ *
+ * PARAMETERS: Object - An ACPI reference object
+ *
+ * RETURN: Decoded name of the type of reference
+ *
+ * DESCRIPTION: Decode a reference object sub-type to a string.
+ *
+ ******************************************************************************/
+
+/* Printable names of reference object sub-types */
+
+static const char *acpi_gbl_ref_class_names[] = {
+ /* 00 */ "Local",
+ /* 01 */ "Argument",
+ /* 02 */ "RefOf",
+ /* 03 */ "Index",
+ /* 04 */ "DdbHandle",
+ /* 05 */ "Named Object",
+ /* 06 */ "Debug"
+};
+
+const char *acpi_ut_get_reference_name(union acpi_operand_object *object)
+{
+
+ if (!object) {
+ return ("NULL Object");
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) {
+ return ("Not an Operand object");
+ }
+
+ if (object->common.type != ACPI_TYPE_LOCAL_REFERENCE) {
+ return ("Not a Reference object");
+ }
+
+ if (object->reference.class > ACPI_REFCLASS_MAX) {
+ return ("Unknown Reference class");
+ }
+
+ return (acpi_gbl_ref_class_names[object->reference.class]);
+}
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+/*
+ * Strings and procedures used for debug only
+ */
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_mutex_name
+ *
+ * PARAMETERS: mutex_id - The predefined ID for this mutex.
+ *
+ * RETURN: Decoded name of the internal mutex
+ *
+ * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Names for internal mutex objects, used for debug output */
+
+static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
+ "ACPI_MTX_Interpreter",
+ "ACPI_MTX_Namespace",
+ "ACPI_MTX_Tables",
+ "ACPI_MTX_Events",
+ "ACPI_MTX_Caches",
+ "ACPI_MTX_Memory",
+ "ACPI_MTX_CommandComplete",
+ "ACPI_MTX_CommandReady"
+};
+
+char *acpi_ut_get_mutex_name(u32 mutex_id)
+{
+
+ if (mutex_id > ACPI_MAX_MUTEX) {
+ return ("Invalid Mutex ID");
+ }
+
+ return (acpi_gbl_mutex_names[mutex_id]);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_notify_name
+ *
+ * PARAMETERS: notify_value - Value from the Notify() request
+ *
+ * RETURN: Decoded name for the notify value
+ *
+ * DESCRIPTION: Translate a Notify Value to a notify namestring.
+ *
+ ******************************************************************************/
+
+/* Names for Notify() values, used for debug output */
+
+static const char *acpi_gbl_notify_value_names[] = {
+ "Bus Check",
+ "Device Check",
+ "Device Wake",
+ "Eject Request",
+ "Device Check Light",
+ "Frequency Mismatch",
+ "Bus Mode Mismatch",
+ "Power Fault",
+ "Capabilities Check",
+ "Device PLD Check",
+ "Reserved",
+ "System Locality Update"
+};
+
+const char *acpi_ut_get_notify_name(u32 notify_value)
+{
+
+ if (notify_value <= ACPI_NOTIFY_MAX) {
+ return (acpi_gbl_notify_value_names[notify_value]);
+ } else if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
+ return ("Reserved");
+ } else { /* Greater or equal to 0x80 */
+
+ return ("**Device Specific**");
+ }
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_object_type
+ *
+ * PARAMETERS: Type - Object type to be validated
+ *
+ * RETURN: TRUE if valid object type, FALSE otherwise
+ *
+ * DESCRIPTION: Validate an object type
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_object_type(acpi_object_type type)
+{
+
+ if (type > ACPI_TYPE_LOCAL_MAX) {
+
+ /* Note: Assumes all TYPEs are contiguous (external/local) */
+
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index 97dd9bbf055..833a38a9c90 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -45,7 +45,6 @@
#include <acpi/acpi.h>
#include "accommon.h"
-#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utglobal")
@@ -107,43 +106,6 @@ const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
/*******************************************************************************
*
- * FUNCTION: acpi_format_exception
- *
- * PARAMETERS: Status - The acpi_status code to be formatted
- *
- * RETURN: A string containing the exception text. A valid pointer is
- * always returned.
- *
- * DESCRIPTION: This function translates an ACPI exception into an ASCII string
- * It is here instead of utxface.c so it is always present.
- *
- ******************************************************************************/
-
-const char *acpi_format_exception(acpi_status status)
-{
- const char *exception = NULL;
-
- ACPI_FUNCTION_ENTRY();
-
- exception = acpi_ut_validate_exception(status);
- if (!exception) {
-
- /* Exception code was not recognized */
-
- ACPI_ERROR((AE_INFO,
- "Unknown exception code: 0x%8.8X", status));
-
- exception = "UNKNOWN_STATUS_CODE";
- dump_stack();
- }
-
- return (ACPI_CAST_PTR(const char, exception));
-}
-
-ACPI_EXPORT_SYMBOL(acpi_format_exception)
-
-/*******************************************************************************
- *
* Namespace globals
*
******************************************************************************/
@@ -177,71 +139,6 @@ const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
{NULL, ACPI_TYPE_ANY, NULL}
};
-/*
- * Properties of the ACPI Object Types, both internal and external.
- * The table is indexed by values of acpi_object_type
- */
-const u8 acpi_gbl_ns_properties[] = {
- ACPI_NS_NORMAL, /* 00 Any */
- ACPI_NS_NORMAL, /* 01 Number */
- ACPI_NS_NORMAL, /* 02 String */
- ACPI_NS_NORMAL, /* 03 Buffer */
- ACPI_NS_NORMAL, /* 04 Package */
- ACPI_NS_NORMAL, /* 05 field_unit */
- ACPI_NS_NEWSCOPE, /* 06 Device */
- ACPI_NS_NORMAL, /* 07 Event */
- ACPI_NS_NEWSCOPE, /* 08 Method */
- ACPI_NS_NORMAL, /* 09 Mutex */
- ACPI_NS_NORMAL, /* 10 Region */
- ACPI_NS_NEWSCOPE, /* 11 Power */
- ACPI_NS_NEWSCOPE, /* 12 Processor */
- ACPI_NS_NEWSCOPE, /* 13 Thermal */
- ACPI_NS_NORMAL, /* 14 buffer_field */
- ACPI_NS_NORMAL, /* 15 ddb_handle */
- ACPI_NS_NORMAL, /* 16 Debug Object */
- ACPI_NS_NORMAL, /* 17 def_field */
- ACPI_NS_NORMAL, /* 18 bank_field */
- ACPI_NS_NORMAL, /* 19 index_field */
- ACPI_NS_NORMAL, /* 20 Reference */
- ACPI_NS_NORMAL, /* 21 Alias */
- ACPI_NS_NORMAL, /* 22 method_alias */
- ACPI_NS_NORMAL, /* 23 Notify */
- ACPI_NS_NORMAL, /* 24 Address Handler */
- ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
- ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
- ACPI_NS_NEWSCOPE, /* 27 Scope */
- ACPI_NS_NORMAL, /* 28 Extra */
- ACPI_NS_NORMAL, /* 29 Data */
- ACPI_NS_NORMAL /* 30 Invalid */
-};
-
-/* Hex to ASCII conversion table */
-
-static const char acpi_gbl_hex_to_ascii[] = {
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
-};
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_hex_to_ascii_char
- *
- * PARAMETERS: Integer - Contains the hex digit
- * Position - bit position of the digit within the
- * integer (multiple of 4)
- *
- * RETURN: The converted Ascii character
- *
- * DESCRIPTION: Convert a hex digit to an Ascii character
- *
- ******************************************************************************/
-
-char acpi_ut_hex_to_ascii_char(u64 integer, u32 position)
-{
-
- return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
-}
-
/******************************************************************************
*
* Event and Hardware globals
@@ -341,386 +238,6 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] =
/*******************************************************************************
*
- * FUNCTION: acpi_ut_get_region_name
- *
- * PARAMETERS: None.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Translate a Space ID into a name string (Debug only)
- *
- ******************************************************************************/
-
-/* Region type decoding */
-
-const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
- "SystemMemory",
- "SystemIO",
- "PCI_Config",
- "EmbeddedControl",
- "SMBus",
- "SystemCMOS",
- "PCIBARTarget",
- "IPMI",
- "DataTable"
-};
-
-char *acpi_ut_get_region_name(u8 space_id)
-{
-
- if (space_id >= ACPI_USER_REGION_BEGIN) {
- return ("UserDefinedRegion");
- } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) {
- return ("InvalidSpaceId");
- }
-
- return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id]));
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_event_name
- *
- * PARAMETERS: None.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Translate a Event ID into a name string (Debug only)
- *
- ******************************************************************************/
-
-/* Event type decoding */
-
-static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = {
- "PM_Timer",
- "GlobalLock",
- "PowerButton",
- "SleepButton",
- "RealTimeClock",
-};
-
-char *acpi_ut_get_event_name(u32 event_id)
-{
-
- if (event_id > ACPI_EVENT_MAX) {
- return ("InvalidEventID");
- }
-
- return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id]));
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_type_name
- *
- * PARAMETERS: None.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Translate a Type ID into a name string (Debug only)
- *
- ******************************************************************************/
-
-/*
- * Elements of acpi_gbl_ns_type_names below must match
- * one-to-one with values of acpi_object_type
- *
- * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
- * when stored in a table it really means that we have thus far seen no
- * evidence to indicate what type is actually going to be stored for this entry.
- */
-static const char acpi_gbl_bad_type[] = "UNDEFINED";
-
-/* Printable names of the ACPI object types */
-
-static const char *acpi_gbl_ns_type_names[] = {
- /* 00 */ "Untyped",
- /* 01 */ "Integer",
- /* 02 */ "String",
- /* 03 */ "Buffer",
- /* 04 */ "Package",
- /* 05 */ "FieldUnit",
- /* 06 */ "Device",
- /* 07 */ "Event",
- /* 08 */ "Method",
- /* 09 */ "Mutex",
- /* 10 */ "Region",
- /* 11 */ "Power",
- /* 12 */ "Processor",
- /* 13 */ "Thermal",
- /* 14 */ "BufferField",
- /* 15 */ "DdbHandle",
- /* 16 */ "DebugObject",
- /* 17 */ "RegionField",
- /* 18 */ "BankField",
- /* 19 */ "IndexField",
- /* 20 */ "Reference",
- /* 21 */ "Alias",
- /* 22 */ "MethodAlias",
- /* 23 */ "Notify",
- /* 24 */ "AddrHandler",
- /* 25 */ "ResourceDesc",
- /* 26 */ "ResourceFld",
- /* 27 */ "Scope",
- /* 28 */ "Extra",
- /* 29 */ "Data",
- /* 30 */ "Invalid"
-};
-
-char *acpi_ut_get_type_name(acpi_object_type type)
-{
-
- if (type > ACPI_TYPE_INVALID) {
- return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));
- }
-
- return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type]));
-}
-
-char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc)
-{
-
- if (!obj_desc) {
- return ("[NULL Object Descriptor]");
- }
-
- return (acpi_ut_get_type_name(obj_desc->common.type));
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_node_name
- *
- * PARAMETERS: Object - A namespace node
- *
- * RETURN: Pointer to a string
- *
- * DESCRIPTION: Validate the node and return the node's ACPI name.
- *
- ******************************************************************************/
-
-char *acpi_ut_get_node_name(void *object)
-{
- struct acpi_namespace_node *node = (struct acpi_namespace_node *)object;
-
- /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
-
- if (!object) {
- return ("NULL");
- }
-
- /* Check for Root node */
-
- if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) {
- return ("\"\\\" ");
- }
-
- /* Descriptor must be a namespace node */
-
- if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
- return ("####");
- }
-
- /* Name must be a valid ACPI name */
-
- if (!acpi_ut_valid_acpi_name(node->name.integer)) {
- node->name.integer = acpi_ut_repair_name(node->name.ascii);
- }
-
- /* Return the name */
-
- return (node->name.ascii);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_descriptor_name
- *
- * PARAMETERS: Object - An ACPI object
- *
- * RETURN: Pointer to a string
- *
- * DESCRIPTION: Validate object and return the descriptor type
- *
- ******************************************************************************/
-
-/* Printable names of object descriptor types */
-
-static const char *acpi_gbl_desc_type_names[] = {
- /* 00 */ "Invalid",
- /* 01 */ "Cached",
- /* 02 */ "State-Generic",
- /* 03 */ "State-Update",
- /* 04 */ "State-Package",
- /* 05 */ "State-Control",
- /* 06 */ "State-RootParseScope",
- /* 07 */ "State-ParseScope",
- /* 08 */ "State-WalkScope",
- /* 09 */ "State-Result",
- /* 10 */ "State-Notify",
- /* 11 */ "State-Thread",
- /* 12 */ "Walk",
- /* 13 */ "Parser",
- /* 14 */ "Operand",
- /* 15 */ "Node"
-};
-
-char *acpi_ut_get_descriptor_name(void *object)
-{
-
- if (!object) {
- return ("NULL OBJECT");
- }
-
- if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) {
- return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));
- }
-
- return (ACPI_CAST_PTR(char,
- acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE
- (object)]));
-
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_reference_name
- *
- * PARAMETERS: Object - An ACPI reference object
- *
- * RETURN: Pointer to a string
- *
- * DESCRIPTION: Decode a reference object sub-type to a string.
- *
- ******************************************************************************/
-
-/* Printable names of reference object sub-types */
-
-static const char *acpi_gbl_ref_class_names[] = {
- /* 00 */ "Local",
- /* 01 */ "Argument",
- /* 02 */ "RefOf",
- /* 03 */ "Index",
- /* 04 */ "DdbHandle",
- /* 05 */ "Named Object",
- /* 06 */ "Debug"
-};
-
-const char *acpi_ut_get_reference_name(union acpi_operand_object *object)
-{
- if (!object)
- return "NULL Object";
-
- if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND)
- return "Not an Operand object";
-
- if (object->common.type != ACPI_TYPE_LOCAL_REFERENCE)
- return "Not a Reference object";
-
- if (object->reference.class > ACPI_REFCLASS_MAX)
- return "Unknown Reference class";
-
- return acpi_gbl_ref_class_names[object->reference.class];
-}
-
-#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
-/*
- * Strings and procedures used for debug only
- */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_mutex_name
- *
- * PARAMETERS: mutex_id - The predefined ID for this mutex.
- *
- * RETURN: String containing the name of the mutex. Always returns a valid
- * pointer.
- *
- * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
- *
- ******************************************************************************/
-
-char *acpi_ut_get_mutex_name(u32 mutex_id)
-{
-
- if (mutex_id > ACPI_MAX_MUTEX) {
- return ("Invalid Mutex ID");
- }
-
- return (acpi_gbl_mutex_names[mutex_id]);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_notify_name
- *
- * PARAMETERS: notify_value - Value from the Notify() request
- *
- * RETURN: String corresponding to the Notify Value.
- *
- * DESCRIPTION: Translate a Notify Value to a notify namestring.
- *
- ******************************************************************************/
-
-/* Names for Notify() values, used for debug output */
-
-static const char *acpi_gbl_notify_value_names[] = {
- "Bus Check",
- "Device Check",
- "Device Wake",
- "Eject Request",
- "Device Check Light",
- "Frequency Mismatch",
- "Bus Mode Mismatch",
- "Power Fault",
- "Capabilities Check",
- "Device PLD Check",
- "Reserved",
- "System Locality Update"
-};
-
-const char *acpi_ut_get_notify_name(u32 notify_value)
-{
-
- if (notify_value <= ACPI_NOTIFY_MAX) {
- return (acpi_gbl_notify_value_names[notify_value]);
- } else if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
- return ("Reserved");
- } else { /* Greater or equal to 0x80 */
-
- return ("**Device Specific**");
- }
-}
-#endif
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_valid_object_type
- *
- * PARAMETERS: Type - Object type to be validated
- *
- * RETURN: TRUE if valid object type, FALSE otherwise
- *
- * DESCRIPTION: Validate an object type
- *
- ******************************************************************************/
-
-u8 acpi_ut_valid_object_type(acpi_object_type type)
-{
-
- if (type > ACPI_TYPE_LOCAL_MAX) {
-
- /* Note: Assumes all TYPEs are contiguous (external/local) */
-
- return (FALSE);
- }
-
- return (TRUE);
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_init_globals
*
* PARAMETERS: None
@@ -806,6 +323,7 @@ acpi_status acpi_ut_init_globals(void)
acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
acpi_gbl_osi_data = 0;
acpi_gbl_osi_mutex = NULL;
+ acpi_gbl_reg_methods_executed = FALSE;
/* Hardware oriented */