diff options
Diffstat (limited to 'drivers/acpi/parser')
| -rw-r--r-- | drivers/acpi/parser/psargs.c | 63 | ||||
| -rw-r--r-- | drivers/acpi/parser/psloop.c | 61 | ||||
| -rw-r--r-- | drivers/acpi/parser/psopcode.c | 38 | ||||
| -rw-r--r-- | drivers/acpi/parser/psparse.c | 45 | ||||
| -rw-r--r-- | drivers/acpi/parser/psscope.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/parser/pstree.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/parser/psutils.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/parser/pswalk.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/parser/psxface.c | 2 |
9 files changed, 159 insertions, 60 deletions
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c index c2b9835c890b..f1e8bf65e24e 100644 --- a/drivers/acpi/parser/psargs.c +++ b/drivers/acpi/parser/psargs.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -230,12 +230,12 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, struct acpi_parse_state *parser_state, union acpi_parse_object *arg, u8 possible_method_call) { + acpi_status status; char *path; union acpi_parse_object *name_op; - acpi_status status; union acpi_operand_object *method_desc; struct acpi_namespace_node *node; - union acpi_generic_state scope_info; + u8 *start = parser_state->aml; ACPI_FUNCTION_TRACE(ps_get_next_namepath); @@ -249,25 +249,18 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_OK); } - /* Setup search scope info */ - - scope_info.scope.node = NULL; - node = parser_state->start_node; - if (node) { - scope_info.scope.node = node; - } - /* - * Lookup the name in the internal namespace. We don't want to add - * anything new to the namespace here, however, so we use MODE_EXECUTE. + * Lookup the name in the internal namespace, starting with the current + * scope. We don't want to add anything new to the namespace here, + * however, so we use MODE_EXECUTE. * Allow searching of the parent tree, but don't open a new scope - * we just want to lookup the object (must be mode EXECUTE to perform * the upsearch) */ - status = - acpi_ns_lookup(&scope_info, path, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, - ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, - NULL, &node); + status = acpi_ns_lookup(walk_state->scope_info, path, + ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, + ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, + NULL, &node); /* * If this name is a control method invocation, we must @@ -275,6 +268,16 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, */ if (ACPI_SUCCESS(status) && possible_method_call && (node->type == ACPI_TYPE_METHOD)) { + if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) { + /* + * acpi_ps_get_next_namestring has increased the AML pointer, + * so we need to restore the saved AML pointer for method call. + */ + walk_state->parser_state.aml = start; + walk_state->arg_count = 1; + acpi_ps_init_op(arg, AML_INT_METHODCALL_OP); + return_ACPI_STATUS(AE_OK); + } /* This name is actually a control method invocation */ @@ -686,9 +689,29 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NO_MEMORY); } - status = - acpi_ps_get_next_namepath(walk_state, parser_state, - arg, 0); + /* To support super_name arg of Unload */ + + if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) { + status = + acpi_ps_get_next_namepath(walk_state, + parser_state, arg, + 1); + + /* + * If the super_name arg of Unload is a method call, + * we have restored the AML pointer, just free this Arg + */ + if (arg->common.aml_opcode == + AML_INT_METHODCALL_OP) { + acpi_ps_free_op(arg); + arg = NULL; + } + } else { + status = + acpi_ps_get_next_namepath(walk_state, + parser_state, arg, + 0); + } } else { /* Single complex argument, nothing returned */ diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c index 773aee82fbb8..c06238e55d98 100644 --- a/drivers/acpi/parser/psloop.c +++ b/drivers/acpi/parser/psloop.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -182,6 +182,7 @@ acpi_ps_build_named_op(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE_PTR(ps_build_named_op, walk_state); unnamed_op->common.value.arg = NULL; + unnamed_op->common.arg_list_length = 0; unnamed_op->common.aml_opcode = walk_state->opcode; /* @@ -241,7 +242,8 @@ acpi_ps_build_named_op(struct acpi_walk_state *walk_state, acpi_ps_append_arg(*op, unnamed_op->common.value.arg); acpi_gbl_depth++; - if ((*op)->common.aml_opcode == AML_REGION_OP) { + if ((*op)->common.aml_opcode == AML_REGION_OP || + (*op)->common.aml_opcode == AML_DATA_REGION_OP) { /* * Defer final parsing of an operation_region body, because we don't * have enough info in the first pass to parse it correctly (i.e., @@ -280,6 +282,9 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state, acpi_status status = AE_OK; union acpi_parse_object *op; union acpi_parse_object *named_op = NULL; + union acpi_parse_object *parent_scope; + u8 argument_count; + const struct acpi_opcode_info *op_info; ACPI_FUNCTION_TRACE_PTR(ps_create_op, walk_state); @@ -320,8 +325,32 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state, op->named.length = 0; } - acpi_ps_append_arg(acpi_ps_get_parent_scope - (&(walk_state->parser_state)), op); + if (walk_state->opcode == AML_BANK_FIELD_OP) { + /* + * Backup to beginning of bank_field declaration + * body_length is unknown until we parse the body + */ + op->named.data = aml_op_start; + op->named.length = 0; + } + + parent_scope = acpi_ps_get_parent_scope(&(walk_state->parser_state)); + acpi_ps_append_arg(parent_scope, op); + + if (parent_scope) { + op_info = + acpi_ps_get_opcode_info(parent_scope->common.aml_opcode); + if (op_info->flags & AML_HAS_TARGET) { + argument_count = + acpi_ps_get_argument_count(op_info->type); + if (parent_scope->common.arg_list_length > + argument_count) { + op->common.flags |= ACPI_PARSEOP_TARGET; + } + } else if (parent_scope->common.aml_opcode == AML_INCREMENT_OP) { + op->common.flags |= ACPI_PARSEOP_TARGET; + } + } if (walk_state->descending_callback != NULL) { /* @@ -603,13 +632,6 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state, acpi_ps_pop_scope(&(walk_state->parser_state), op, &walk_state->arg_types, &walk_state->arg_count); - - if ((*op)->common.aml_opcode != AML_WHILE_OP) { - status2 = acpi_ds_result_stack_pop(walk_state); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } - } } /* Close this iteration of the While loop */ @@ -640,10 +662,6 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state, if (ACPI_FAILURE(status2)) { return_ACPI_STATUS(status2); } - status2 = acpi_ds_result_stack_pop(walk_state); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } acpi_ut_delete_generic_state (acpi_ut_pop_generic_state @@ -1005,7 +1023,8 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) acpi_gbl_depth--; } - if (op->common.aml_opcode == AML_REGION_OP) { + if (op->common.aml_opcode == AML_REGION_OP || + op->common.aml_opcode == AML_DATA_REGION_OP) { /* * Skip parsing of control method or opregion body, * because we don't have enough info in the first pass @@ -1030,6 +1049,16 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) (u32) (parser_state->aml - op->named.data); } + if (op->common.aml_opcode == AML_BANK_FIELD_OP) { + /* + * Backup to beginning of bank_field declaration + * + * body_length is unknown until we parse the body + */ + op->named.length = + (u32) (parser_state->aml - op->named.data); + } + /* This op complete, notify the dispatcher */ if (walk_state->ascending_callback != NULL) { diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c index 9296e86761d7..f425ab30eae8 100644 --- a/drivers/acpi/parser/psopcode.c +++ b/drivers/acpi/parser/psopcode.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -49,6 +49,9 @@ #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME("psopcode") +static const u8 acpi_gbl_argument_count[] = + { 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 6 }; + /******************************************************************************* * * NAME: acpi_gbl_aml_op_info @@ -59,6 +62,7 @@ ACPI_MODULE_NAME("psopcode") * the operand type. * ******************************************************************************/ + /* * Summary of opcode types/flags * @@ -176,6 +180,7 @@ ACPI_MODULE_NAME("psopcode") AML_CREATE_QWORD_FIELD_OP ******************************************************************************/ + /* * Master Opcode information table. A summary of everything we know about each * opcode, all in one place. @@ -515,9 +520,10 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { AML_TYPE_NAMED_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), /* 5F */ ACPI_OP("BankField", ARGP_BANK_FIELD_OP, ARGI_BANK_FIELD_OP, - ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, + ACPI_TYPE_LOCAL_BANK_FIELD, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD | + AML_DEFER), /* Internal opcodes that map to invalid AML opcodes */ @@ -619,9 +625,9 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { AML_TYPE_EXEC_6A_0T_1R, AML_FLAGS_EXEC_6A_0T_1R), /* 7C */ ACPI_OP("DataTableRegion", ARGP_DATA_REGION_OP, ARGI_DATA_REGION_OP, ACPI_TYPE_REGION, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + AML_NSNODE | AML_NAMED | AML_DEFER), /* 7D */ ACPI_OP("[EvalSubTree]", ARGP_SCOPE_OP, ARGI_SCOPE_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, @@ -779,3 +785,25 @@ char *acpi_ps_get_opcode_name(u16 opcode) #endif } + +/******************************************************************************* + * + * FUNCTION: acpi_ps_get_argument_count + * + * PARAMETERS: op_type - Type associated with the AML opcode + * + * RETURN: Argument count + * + * DESCRIPTION: Obtain the number of expected arguments for an AML opcode + * + ******************************************************************************/ + +u8 acpi_ps_get_argument_count(u32 op_type) +{ + + if (op_type <= AML_TYPE_EXEC_6A_0T_1R) { + return (acpi_gbl_argument_count[op_type]); + } + + return (0); +} diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c index 5d63f48e56b5..15e1702e48d6 100644 --- a/drivers/acpi/parser/psparse.c +++ b/drivers/acpi/parser/psparse.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -205,6 +205,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, || (op->common.parent->common.aml_opcode == AML_PACKAGE_OP) || (op->common.parent->common.aml_opcode == + AML_BANK_FIELD_OP) + || (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) { replacement_op = acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP); @@ -349,19 +351,13 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state, parser_state->aml = walk_state->aml_last_while; walk_state->control_state->common.value = FALSE; - status = acpi_ds_result_stack_pop(walk_state); - if (ACPI_SUCCESS(status)) { - status = AE_CTRL_BREAK; - } + status = AE_CTRL_BREAK; break; case AE_CTRL_CONTINUE: parser_state->aml = walk_state->aml_last_while; - status = acpi_ds_result_stack_pop(walk_state); - if (ACPI_SUCCESS(status)) { - status = AE_CTRL_CONTINUE; - } + status = AE_CTRL_CONTINUE; break; case AE_CTRL_PENDING: @@ -383,10 +379,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state, * Just close out this package */ parser_state->aml = acpi_ps_get_next_package_end(parser_state); - status = acpi_ds_result_stack_pop(walk_state); - if (ACPI_SUCCESS(status)) { - status = AE_CTRL_PENDING; - } + status = AE_CTRL_PENDING; break; case AE_CTRL_FALSE: @@ -541,7 +534,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) if ((status == AE_ALREADY_EXISTS) && (!walk_state->method_desc->method.mutex)) { ACPI_INFO((AE_INFO, - "Marking method %4.4s as Serialized", + "Marking method %4.4s as Serialized because of AE_ALREADY_EXISTS error", walk_state->method_node->name. ascii)); @@ -601,6 +594,30 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) * The object is deleted */ if (!previous_walk_state->return_desc) { + /* + * In slack mode execution, if there is no return value + * we should implicitly return zero (0) as a default value. + */ + if (acpi_gbl_enable_interpreter_slack && + !previous_walk_state-> + implicit_return_obj) { + previous_walk_state-> + implicit_return_obj = + acpi_ut_create_internal_object + (ACPI_TYPE_INTEGER); + if (!previous_walk_state-> + implicit_return_obj) { + return_ACPI_STATUS + (AE_NO_MEMORY); + } + + previous_walk_state-> + implicit_return_obj-> + integer.value = 0; + } + + /* Restart the calling control method */ + status = acpi_ds_restart_control_method (walk_state, diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c index 77cfa4ed0cfe..ee50e67c9443 100644 --- a/drivers/acpi/parser/psscope.c +++ b/drivers/acpi/parser/psscope.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c index 966e7ea2a0c4..1dd355ddd182 100644 --- a/drivers/acpi/parser/pstree.c +++ b/drivers/acpi/parser/pstree.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -171,6 +171,8 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg) while (arg) { arg->common.parent = op; arg = arg->common.next; + + op->common.arg_list_length++; } } diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c index 8ca52002db55..7cf1f65cd5bb 100644 --- a/drivers/acpi/parser/psutils.c +++ b/drivers/acpi/parser/psutils.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c index 49f9757434e4..8b86ad5a3201 100644 --- a/drivers/acpi/parser/pswalk.c +++ b/drivers/acpi/parser/pswalk.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c index 94103bced75e..52581454c47c 100644 --- a/drivers/acpi/parser/psxface.c +++ b/drivers/acpi/parser/psxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without |