diff options
author | Dave Kleikamp <shaggy@austin.ibm.com> | 2006-03-14 17:05:45 -0600 |
---|---|---|
committer | Dave Kleikamp <shaggy@austin.ibm.com> | 2006-03-14 17:05:45 -0600 |
commit | c5111f504d2a9b0d258d7c4752b4093523315989 (patch) | |
tree | 6a52864aff79691689aea21cb0cb928327d5de5b /drivers/acpi/dispatcher/dsobject.c | |
parent | 69eb66d7da7dba2696281981347698e1693c2340 (diff) | |
parent | a488edc914aa1d766a4e2c982b5ae03d5657ec1b (diff) |
Merge with /home/shaggy/git/linus-clean/
Diffstat (limited to 'drivers/acpi/dispatcher/dsobject.c')
-rw-r--r-- | drivers/acpi/dispatcher/dsobject.c | 106 |
1 files changed, 64 insertions, 42 deletions
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c index 8ac0cd93adb..8b21f0f9e51 100644 --- a/drivers/acpi/dispatcher/dsobject.c +++ b/drivers/acpi/dispatcher/dsobject.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2005, R. Byron Moore + * Copyright (C) 2000 - 2006, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -51,6 +51,7 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dsobject") +/* Local prototypes */ static acpi_status acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, union acpi_parse_object *op, @@ -85,7 +86,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, *obj_desc_ptr = NULL; if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) { /* - * This is an named object reference. If this name was + * This is a named object reference. If this name was * previously looked up in the namespace, it was stored in this op. * Otherwise, go ahead and look it up now */ @@ -96,18 +97,48 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, - (struct acpi_namespace_node **) - &(op->common.node)); - + ACPI_CAST_INDIRECT_PTR(struct + acpi_namespace_node, + &(op-> + common. + node))); if (ACPI_FAILURE(status)) { - ACPI_REPORT_NSERROR(op->common.value.string, - status); + /* Check if we are resolving a named reference within a package */ + + if ((status == AE_NOT_FOUND) + && (acpi_gbl_enable_interpreter_slack) + && + ((op->common.parent->common.aml_opcode == + AML_PACKAGE_OP) + || (op->common.parent->common.aml_opcode == + AML_VAR_PACKAGE_OP))) { + /* + * We didn't find the target and we are populating elements + * of a package - ignore if slack enabled. Some ASL code + * contains dangling invalid references in packages and + * expects that no exception will be issued. Leave the + * element as a null element. It cannot be used, but it + * can be overwritten by subsequent ASL code - this is + * typically the case. + */ + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Ignoring unresolved reference in package [%4.4s]\n", + walk_state-> + scope_info->scope. + node->name.ascii)); + + return_ACPI_STATUS(AE_OK); + } else { + ACPI_ERROR_NAMESPACE(op->common.value. + string, status); + } + return_ACPI_STATUS(status); } } } - /* Create and init the internal ACPI object */ + /* Create and init a new internal ACPI object */ obj_desc = acpi_ut_create_internal_object((acpi_ps_get_opcode_info (op->common.aml_opcode))-> @@ -157,13 +188,13 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE("ds_build_internal_buffer_obj"); + /* + * If we are evaluating a Named buffer object "Name (xxxx, Buffer)". + * The buffer object already exists (from the NS node), otherwise it must + * be created. + */ obj_desc = *obj_desc_ptr; - if (obj_desc) { - /* - * We are evaluating a Named buffer object "Name (xxxx, Buffer)". - * The buffer object already exists (from the NS node) - */ - } else { + if (!obj_desc) { /* Create a new buffer object */ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); @@ -183,10 +214,9 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, byte_list = arg->named.next; if (byte_list) { if (byte_list->common.aml_opcode != AML_INT_BYTELIST_OP) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Expecting bytelist, got AML opcode %X in op %p\n", - byte_list->common.aml_opcode, - byte_list)); + ACPI_ERROR((AE_INFO, + "Expecting bytelist, got AML opcode %X in op %p", + byte_list->common.aml_opcode, byte_list)); acpi_ut_remove_reference(obj_desc); return (AE_TYPE); @@ -259,7 +289,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, union acpi_operand_object *obj_desc = NULL; u32 package_list_length; acpi_status status = AE_OK; - u32 i; + acpi_native_uint i; ACPI_FUNCTION_TRACE("ds_build_internal_package_obj"); @@ -271,13 +301,12 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, parent = parent->common.parent; } + /* + * If we are evaluating a Named package object "Name (xxxx, Package)", + * the package object already exists, otherwise it must be created. + */ obj_desc = *obj_desc_ptr; - if (obj_desc) { - /* - * We are evaluating a Named package object "Name (xxxx, Package)". - * Get the existing package object from the NS node - */ - } else { + if (!obj_desc) { obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE); *obj_desc_ptr = obj_desc; if (!obj_desc) { @@ -291,11 +320,9 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, /* Count the number of items in the package list */ - package_list_length = 0; arg = op->common.value.arg; arg = arg->common.next; - while (arg) { - package_list_length++; + for (package_list_length = 0; arg; package_list_length++) { arg = arg->common.next; } @@ -322,12 +349,11 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, } /* - * Now init the elements of the package + * Initialize all elements of the package */ - i = 0; arg = op->common.value.arg; arg = arg->common.next; - while (arg) { + for (i = 0; arg; i++) { if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { /* Object (package or buffer) is already built */ @@ -340,8 +366,6 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, package. elements[i]); } - - i++; arg = arg->common.next; } @@ -518,9 +542,9 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, default: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unknown constant opcode %X\n", - opcode)); + ACPI_ERROR((AE_INFO, + "Unknown constant opcode %X", + opcode)); status = AE_AML_OPERAND_TYPE; break; } @@ -535,9 +559,8 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, break; default: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unknown Integer type %X\n", - op_info->type)); + ACPI_ERROR((AE_INFO, "Unknown Integer type %X", + op_info->type)); status = AE_AML_OPERAND_TYPE; break; } @@ -615,9 +638,8 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, default: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unimplemented data type: %X\n", - ACPI_GET_OBJECT_TYPE(obj_desc))); + ACPI_ERROR((AE_INFO, "Unimplemented data type: %X", + ACPI_GET_OBJECT_TYPE(obj_desc))); status = AE_AML_OPERAND_TYPE; break; |