diff options
Diffstat (limited to 'drivers/acpi/acpica')
25 files changed, 375 insertions, 190 deletions
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 55c8197036f3..51b073b68f16 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -165,7 +165,7 @@ ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); /* Initialization sequencing */ -ACPI_INIT_GLOBAL(u8, acpi_gbl_reg_methods_enabled, FALSE); +ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE); /* Misc */ diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index e4977fac9c1d..9562a10a1a18 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -85,7 +85,7 @@ union acpi_parse_object; #define ACPI_MTX_MEMORY 5 /* Debug memory tracking lists */ #define ACPI_MAX_MUTEX 5 -#define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1 +#define ACPI_NUM_MUTEX (ACPI_MAX_MUTEX+1) /* Lock structure for reader/writer interfaces */ @@ -103,11 +103,11 @@ struct acpi_rw_lock { #define ACPI_LOCK_HARDWARE 1 #define ACPI_MAX_LOCK 1 -#define ACPI_NUM_LOCK ACPI_MAX_LOCK+1 +#define ACPI_NUM_LOCK (ACPI_MAX_LOCK+1) /* This Thread ID means that the mutex is not in use (unlocked) */ -#define ACPI_MUTEX_NOT_ACQUIRED (acpi_thread_id) 0 +#define ACPI_MUTEX_NOT_ACQUIRED ((acpi_thread_id) 0) /* This Thread ID means an invalid thread ID */ diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 9684ed61284d..022d69cb345a 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -88,7 +88,7 @@ */ acpi_status acpi_ns_initialize_objects(void); -acpi_status acpi_ns_initialize_devices(void); +acpi_status acpi_ns_initialize_devices(u32 flags); /* * nsload - Namespace loading diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index 52f6bee52d47..5faeab41e302 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -1125,7 +1125,7 @@ const union acpi_predefined_info acpi_gbl_resource_names[] = { PACKAGE_INFO(0, 0, 0, 0, 0, 0) /* Table terminator */ }; -static const union acpi_predefined_info acpi_gbl_scope_names[] = { +const union acpi_predefined_info acpi_gbl_scope_names[] = { {{"_GPE", 0, 0}}, {{"_PR_", 0, 0}}, {{"_SB_", 0, 0}}, diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c index 7ec62c461280..772178c96ccf 100644 --- a/drivers/acpi/acpica/dbcmds.c +++ b/drivers/acpi/acpica/dbcmds.c @@ -348,7 +348,7 @@ void acpi_db_display_table_info(char *table_arg) } else { /* If the pointer is null, the table has been unloaded */ - ACPI_INFO((AE_INFO, "%4.4s - Table has been unloaded", + ACPI_INFO(("%4.4s - Table has been unloaded", table_desc->signature.ascii)); } } diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 9fee88f1c654..68f4e0f4b095 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -408,7 +408,7 @@ void acpi_db_dump_pld_buffer(union acpi_object *obj_desc) new_buffer = acpi_db_encode_pld_buffer(pld_info); if (!new_buffer) { - return; + goto exit; } /* The two bit-packed buffers should match */ @@ -479,6 +479,7 @@ void acpi_db_dump_pld_buffer(union acpi_object *obj_desc) pld_info->horizontal_offset); } - ACPI_FREE(pld_info); ACPI_FREE(new_buffer); +exit: + ACPI_FREE(pld_info); } diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 6a72047aae1c..1982310e6d83 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -809,8 +809,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, if (method_desc->method. info_flags & ACPI_METHOD_SERIALIZED_PENDING) { if (walk_state) { - ACPI_INFO((AE_INFO, - "Marking method %4.4s as Serialized " + ACPI_INFO(("Marking method %4.4s as Serialized " "because of AE_ALREADY_EXISTS error", walk_state->method_node->name. ascii)); diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index c303e9d9266f..a91de2b4603c 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -524,8 +524,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, arg = arg->common.next; } - ACPI_INFO((AE_INFO, - "Actual Package length (%u) is larger than " + ACPI_INFO(("Actual Package length (%u) is larger than " "NumElements field (%u), truncated", i, element_count)); } else if (i < element_count) { diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 9275e626ed8d..447fa1cac64f 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -499,8 +499,7 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, } if (gpe_enabled_count) { - ACPI_INFO((AE_INFO, - "Enabled %u GPEs in block %02X to %02X", + ACPI_INFO(("Enabled %u GPEs in block %02X to %02X", gpe_enabled_count, (u32)gpe_block->block_base_number, (u32)(gpe_block->block_base_number + (gpe_block->gpe_count - 1)))); diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index 9fdd8d09141b..7dc75474c897 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -281,7 +281,7 @@ void acpi_ev_update_gpes(acpi_owner_id table_owner_id) } if (walk_info.count) { - ACPI_INFO((AE_INFO, "Enabled %u new GPEs", walk_info.count)); + ACPI_INFO(("Enabled %u new GPEs", walk_info.count)); } (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 47092b4d633c..63924d1c737a 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -600,7 +600,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) if (region_obj2->extra.method_REG == NULL || region_obj->region.handler == NULL || - !acpi_gbl_reg_methods_enabled) { + !acpi_gbl_namespace_initialized) { return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 011df210b7b2..f74161301037 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -252,7 +252,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, status = acpi_get_table_by_index(table_index, &table); if (ACPI_SUCCESS(status)) { - ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:")); + ACPI_INFO(("Dynamic OEM Table Load:")); acpi_tb_print_table_header(0, table); } @@ -472,7 +472,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, /* Install the new table into the local data structures */ - ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:")); + ACPI_INFO(("Dynamic OEM Table Load:")); (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table), diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c index 28eb861c44eb..5aa21c4eda1d 100644 --- a/drivers/acpi/acpica/exoparg3.c +++ b/drivers/acpi/acpica/exoparg3.c @@ -123,8 +123,10 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state) * op is intended for use by disassemblers in order to properly * disassemble control method invocations. The opcode or group of * opcodes should be surrounded by an "if (0)" clause to ensure that - * AML interpreters never see the opcode. + * AML interpreters never see the opcode. Thus, something is + * wrong if an external opcode ever gets here. */ + ACPI_ERROR((AE_INFO, "Executed External Op")); status = AE_OK; goto cleanup; diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index 65d58bea4320..5d59cfcef6f4 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -378,8 +378,7 @@ void acpi_ns_exec_module_code_list(void) acpi_ut_remove_reference(prev); } - ACPI_INFO((AE_INFO, - "Executed %u blocks of module-level executable AML code", + ACPI_INFO(("Executed %u blocks of module-level executable AML code", method_count)); ACPI_FREE(info); diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index bd75d46234a4..d4aa8b696ee9 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -46,6 +46,7 @@ #include "acnamesp.h" #include "acdispat.h" #include "acinterp.h" +#include "acevents.h" #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nsinit") @@ -83,6 +84,8 @@ acpi_status acpi_ns_initialize_objects(void) ACPI_FUNCTION_TRACE(ns_initialize_objects); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Completing Initialization of ACPI Objects\n")); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "**** Starting initialization of namespace objects ****\n")); ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, @@ -133,82 +136,108 @@ acpi_status acpi_ns_initialize_objects(void) * ******************************************************************************/ -acpi_status acpi_ns_initialize_devices(void) +acpi_status acpi_ns_initialize_devices(u32 flags) { - acpi_status status; + acpi_status status = AE_OK; struct acpi_device_walk_info info; ACPI_FUNCTION_TRACE(ns_initialize_devices); - /* Init counters */ + if (!(flags & ACPI_NO_DEVICE_INIT)) { + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Initializing ACPI Devices\n")); - info.device_count = 0; - info.num_STA = 0; - info.num_INI = 0; + /* Init counters */ - ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - "Initializing Device/Processor/Thermal objects " - "and executing _INI/_STA methods:\n")); + info.device_count = 0; + info.num_STA = 0; + info.num_INI = 0; - /* Tree analysis: find all subtrees that contain _INI methods */ + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, + "Initializing Device/Processor/Thermal objects " + "and executing _INI/_STA methods:\n")); - status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, FALSE, - acpi_ns_find_ini_methods, NULL, &info, - NULL); - if (ACPI_FAILURE(status)) { - goto error_exit; - } + /* Tree analysis: find all subtrees that contain _INI methods */ + + status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, FALSE, + acpi_ns_find_ini_methods, NULL, + &info, NULL); + if (ACPI_FAILURE(status)) { + goto error_exit; + } + + /* Allocate the evaluation information block */ - /* Allocate the evaluation information block */ + info.evaluate_info = + ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info.evaluate_info) { + status = AE_NO_MEMORY; + goto error_exit; + } - info.evaluate_info = - ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); - if (!info.evaluate_info) { - status = AE_NO_MEMORY; - goto error_exit; + /* + * Execute the "global" _INI method that may appear at the root. + * This support is provided for Windows compatibility (Vista+) and + * is not part of the ACPI specification. + */ + info.evaluate_info->prefix_node = acpi_gbl_root_node; + info.evaluate_info->relative_pathname = METHOD_NAME__INI; + info.evaluate_info->parameters = NULL; + info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE; + + status = acpi_ns_evaluate(info.evaluate_info); + if (ACPI_SUCCESS(status)) { + info.num_INI++; + } } /* - * Execute the "global" _INI method that may appear at the root. This - * support is provided for Windows compatibility (Vista+) and is not - * part of the ACPI specification. + * Run all _REG methods + * + * Note: Any objects accessed by the _REG methods will be automatically + * initialized, even if they contain executable AML (see the call to + * acpi_ns_initialize_objects below). */ - info.evaluate_info->prefix_node = acpi_gbl_root_node; - info.evaluate_info->relative_pathname = METHOD_NAME__INI; - info.evaluate_info->parameters = NULL; - info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE; + if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Executing _REG OpRegion methods\n")); - status = acpi_ns_evaluate(info.evaluate_info); - if (ACPI_SUCCESS(status)) { - info.num_INI++; + status = acpi_ev_initialize_op_regions(); + if (ACPI_FAILURE(status)) { + goto error_exit; + } } - /* Walk namespace to execute all _INIs on present devices */ + if (!(flags & ACPI_NO_DEVICE_INIT)) { - status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, FALSE, - acpi_ns_init_one_device, NULL, &info, - NULL); + /* Walk namespace to execute all _INIs on present devices */ - /* - * Any _OSI requests should be completed by now. If the BIOS has - * requested any Windows OSI strings, we will always truncate - * I/O addresses to 16 bits -- for Windows compatibility. - */ - if (acpi_gbl_osi_data >= ACPI_OSI_WIN_2000) { - acpi_gbl_truncate_io_addresses = TRUE; - } + status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, FALSE, + acpi_ns_init_one_device, NULL, + &info, NULL); - ACPI_FREE(info.evaluate_info); - if (ACPI_FAILURE(status)) { - goto error_exit; - } + /* + * Any _OSI requests should be completed by now. If the BIOS has + * requested any Windows OSI strings, we will always truncate + * I/O addresses to 16 bits -- for Windows compatibility. + */ + if (acpi_gbl_osi_data >= ACPI_OSI_WIN_2000) { + acpi_gbl_truncate_io_addresses = TRUE; + } - ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - " Executed %u _INI methods requiring %u _STA executions " - "(examined %u objects)\n", - info.num_INI, info.num_STA, info.device_count)); + ACPI_FREE(info.evaluate_info); + if (ACPI_FAILURE(status)) { + goto error_exit; + } + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, + " Executed %u _INI methods requiring %u _STA executions " + "(examined %u objects)\n", + info.num_INI, info.num_STA, + info.device_count)); + } return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 305218539df2..d48cbed342c1 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -269,8 +269,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, */ if (ACPI_SUCCESS(status) && possible_method_call && (node->type == ACPI_TYPE_METHOD)) { - if (GET_CURRENT_ARG_TYPE(walk_state->arg_types) == - ARGP_SUPERNAME) { + if (walk_state->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. @@ -697,7 +696,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state * * PARAMETERS: walk_state - Current state * parser_state - Current parser state object - * arg_type - The parser argument type (ARGP_*) + * arg_type - The argument type (AML_*_ARG) * return_arg - Where the next arg is returned * * RETURN: Status, and an op object containing the next argument. @@ -817,9 +816,9 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NO_MEMORY); } - /* super_name allows argument to be a method call */ + /* To support super_name arg of Unload */ - if (arg_type == ARGP_SUPERNAME) { + if (walk_state->opcode == AML_UNLOAD_OP) { status = acpi_ps_get_next_namepath(walk_state, parser_state, arg, diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index b661a1e013fb..4dc6108de4ff 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -267,8 +267,7 @@ acpi_tb_install_standard_table(acpi_physical_address address, if (!reload && acpi_gbl_disable_ssdt_table_install && ACPI_COMPARE_NAME(&new_table_desc.signature, ACPI_SIG_SSDT)) { - ACPI_INFO((AE_INFO, - "Ignoring installation of %4.4s at %8.8X%8.8X", + ACPI_INFO(("Ignoring installation of %4.4s at %8.8X%8.8X", new_table_desc.signature.ascii, ACPI_FORMAT_UINT64(address))); goto release_and_exit; @@ -432,7 +431,7 @@ finish_override: return; } - ACPI_INFO((AE_INFO, "%4.4s 0x%8.8X%8.8X" + ACPI_INFO(("%4.4s 0x%8.8X%8.8X" " %s table override, new table: 0x%8.8X%8.8X", old_table_desc->signature.ascii, ACPI_FORMAT_UINT64(old_table_desc->address), diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c index fd4146d4ff49..26d61dbace0a 100644 --- a/drivers/acpi/acpica/tbprint.c +++ b/drivers/acpi/acpica/tbprint.c @@ -132,7 +132,7 @@ acpi_tb_print_table_header(acpi_physical_address address, /* FACS only has signature and length fields */ - ACPI_INFO((AE_INFO, "%-4.4s 0x%8.8X%8.8X %06X", + ACPI_INFO(("%-4.4s 0x%8.8X%8.8X %06X", header->signature, ACPI_FORMAT_UINT64(address), header->length)); } else if (ACPI_VALIDATE_RSDP_SIG(header->signature)) { @@ -144,7 +144,7 @@ acpi_tb_print_table_header(acpi_physical_address address, ACPI_OEM_ID_SIZE); acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE); - ACPI_INFO((AE_INFO, "RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)", + ACPI_INFO(("RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)", ACPI_FORMAT_UINT64(address), (ACPI_CAST_PTR(struct acpi_table_rsdp, header)-> revision > @@ -158,8 +158,7 @@ acpi_tb_print_table_header(acpi_physical_address address, acpi_tb_cleanup_table_header(&local_header, header); - ACPI_INFO((AE_INFO, - "%-4.4s 0x%8.8X%8.8X" + ACPI_INFO(("%-4.4s 0x%8.8X%8.8X" " %06X (v%.2d %-6.6s %-8.8s %08X %-4.4s %08X)", local_header.signature, ACPI_FORMAT_UINT64(address), local_header.length, local_header.revision, diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 3269bef371d7..9240c76d2823 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -174,9 +174,7 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index) ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, new_table); - ACPI_INFO((AE_INFO, - "Forced DSDT copy: length 0x%05X copied locally, original unmapped", - new_table->length)); + ACPI_INFO(("Forced DSDT copy: length 0x%05X copied locally, original unmapped", new_table->length)); return (new_table); } diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 278666e39563..3151968c10d1 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -47,6 +47,7 @@ #include "accommon.h" #include "acnamesp.h" #include "actables.h" +#include "acevents.h" #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME("tbxfload") @@ -68,6 +69,25 @@ acpi_status __init acpi_load_tables(void) ACPI_FUNCTION_TRACE(acpi_load_tables); + /* + * Install the default operation region handlers. These are the + * handlers that are defined by the ACPI specification to be + * "always accessible" -- namely, system_memory, system_IO, and + * PCI_Config. This also means that no _REG methods need to be + * run for these address spaces. We need to have these handlers + * installed before any AML code can be executed, especially any + * module-level code (11/2015). + * Note that we allow OSPMs to install their own region handlers + * between acpi_initialize_subsystem() and acpi_load_tables() to use + * their customized default region handlers. + */ + status = acpi_ev_install_region_handlers(); + if (ACPI_FAILURE(status) && status != AE_ALREADY_EXISTS) { + ACPI_EXCEPTION((AE_INFO, status, + "During Region initialization")); + return_ACPI_STATUS(status); + } + /* Load the namespace from the tables */ status = acpi_tb_load_namespace(); @@ -83,6 +103,20 @@ acpi_status __init acpi_load_tables(void) "While loading namespace from ACPI tables")); } + if (!acpi_gbl_group_module_level_code) { + /* + * Initialize the objects that remain uninitialized. This + * runs the executable AML that may be part of the + * declaration of these objects: + * operation_regions, buffer_fields, Buffers, and Packages. + */ + status = acpi_ns_initialize_objects(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + } + + acpi_gbl_namespace_initialized = TRUE; return_ACPI_STATUS(status); } @@ -206,9 +240,7 @@ acpi_status acpi_tb_load_namespace(void) } if (!tables_failed) { - ACPI_INFO((AE_INFO, - "%u ACPI AML tables successfully acquired and loaded\n", - tables_loaded)); + ACPI_INFO(("%u ACPI AML tables successfully acquired and loaded\n", tables_loaded)); } else { ACPI_ERROR((AE_INFO, "%u table load failures, %u successful", @@ -301,7 +333,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table) /* Install the table and load it into the namespace */ - ACPI_INFO((AE_INFO, "Host-directed Dynamic ACPI Table Load:")); + ACPI_INFO(("Host-directed Dynamic ACPI Table Load:")); (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table), diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c index c9a720f2274a..f8e9978888e1 100644 --- a/drivers/acpi/acpica/utcache.c +++ b/drivers/acpi/acpica/utcache.c @@ -245,7 +245,7 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache) acpi_status status; void *object; - ACPI_FUNCTION_NAME(os_acquire_object); + ACPI_FUNCTION_TRACE(os_acquire_object); if (!cache) { return_PTR(NULL); diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c index c427a5cda465..d5c3adf19bd0 100644 --- a/drivers/acpi/acpica/utnonansi.c +++ b/drivers/acpi/acpica/utnonansi.c @@ -140,6 +140,67 @@ int acpi_ut_stricmp(char *string1, char *string2) return (c1 - c2); } +#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) +/******************************************************************************* + * + * FUNCTION: acpi_ut_safe_strcpy, acpi_ut_safe_strcat, acpi_ut_safe_strncat + * + * PARAMETERS: Adds a "DestSize" parameter to each of the standard string + * functions. This is the size of the Destination buffer. + * + * RETURN: TRUE if the operation would overflow the destination buffer. + * + * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that + * the result of the operation will not overflow the output string + * buffer. + * + * NOTE: These functions are typically only helpful for processing + * user input and command lines. For most ACPICA code, the + * required buffer length is precisely calculated before buffer + * allocation, so the use of these functions is unnecessary. + * + ******************************************************************************/ + +u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source) +{ + + if (strlen(source) >= dest_size) { + return (TRUE); + } + + strcpy(dest, source); + return (FALSE); +} + +u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source) +{ + + if ((strlen(dest) + strlen(source)) >= dest_size) { + return (TRUE); + } + + strcat(dest, source); + return (FALSE); +} + +u8 +acpi_ut_safe_strncat(char *dest, + acpi_size dest_size, + char *source, acpi_size max_transfer_length) +{ + acpi_size actual_transfer_length; + + actual_transfer_length = ACPI_MIN(max_transfer_length, strlen(source)); + + if ((strlen(dest) + actual_transfer_length) >= dest_size) { + return (TRUE); + } + + strncat(dest, source, max_transfer_length); + return (FALSE); +} +#endif + /******************************************************************************* * * FUNCTION: acpi_ut_strtoul64 @@ -155,7 +216,15 @@ int acpi_ut_stricmp(char *string1, char *string2) * 32-bit or 64-bit conversion, depending on the current mode * of the interpreter. * - * NOTE: Does not support Octal strings, not needed. + * NOTES: acpi_gbl_integer_byte_width should be set to the proper width. + * For the core ACPICA code, this width depends on the DSDT + * version. For iASL, the default byte width is always 8. + * + * Does not support Octal strings, not needed at this time. + * + * There is an earlier version of the function after this one, + * below. It is slightly different than this one, and the two + * may eventually may need to be merged. (01/2016). * ******************************************************************************/ @@ -171,7 +240,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) u8 sign_of0x = 0; u8 term = 0; - ACPI_FUNCTION_TRACE_STR(ut_stroul64, string); + ACPI_FUNCTION_TRACE_STR(ut_strtoul64, string); switch (base) { case ACPI_ANY_BASE: @@ -318,63 +387,162 @@ error_exit: } } -#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) +#ifdef _OBSOLETE_FUNCTIONS +/* TBD: use version in ACPICA main code base? */ +/* DONE: 01/2016 */ + /******************************************************************************* * - * FUNCTION: acpi_ut_safe_strcpy, acpi_ut_safe_strcat, acpi_ut_safe_strncat + * FUNCTION: strtoul64 * - * PARAMETERS: Adds a "DestSize" parameter to each of the standard string - * functions. This is the size of the Destination buffer. + * PARAMETERS: string - Null terminated string + * terminater - Where a pointer to the terminating byte + * is returned + * base - Radix of the string * - * RETURN: TRUE if the operation would overflow the destination buffer. + * RETURN: Converted value * - * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that - * the result of the operation will not overflow the output string - * buffer. - * - * NOTE: These functions are typically only helpful for processing - * user input and command lines. For most ACPICA code, the - * required buffer length is precisely calculated before buffer - * allocation, so the use of these functions is unnecessary. + * DESCRIPTION: Convert a string into an unsigned value. * ******************************************************************************/ -u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source) +acpi_status strtoul64(char *string, u32 base, u64 *ret_integer) { + u32 index; + u32 sign; + u64 return_value = 0; + acpi_status status = AE_OK; - if (strlen(source) >= dest_size) { - return (TRUE); + *ret_integer = 0; + + switch (base) { + case 0: + case 8: + case 10: + case 16: + + break; + + default: + /* + * The specified Base parameter is not in the domain of + * this function: + */ + return (AE_BAD_PARAMETER); } - strcpy(dest, source); - return (FALSE); -} + /* Skip over any white space in the buffer: */ -u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source) -{ + while (isspace((int)*string) || *string == '\t') { + ++string; + } - if ((strlen(dest) + strlen(source)) >= dest_size) { - return (TRUE); + /* + * The buffer may contain an optional plus or minus sign. + * If it does, then skip over it but remember what is was: + */ + if (*string == '-') { + sign = ACPI_SIGN_NEGATIVE; + ++string; + } else if (*string == '+') { + ++string; + sign = ACPI_SIGN_POSITIVE; + } else { + sign = ACPI_SIGN_POSITIVE; } - strcat(dest, source); - return (FALSE); -} + /* + * If the input parameter Base is zero, then we need to + * determine if it is octal, decimal, or hexadecimal: + */ + if (base == 0) { + if (*string == '0') { + if (tolower((int)*(++string)) == 'x') { + base = 16; + ++string; + } else { + base = 8; + } + } else { + base = 10; + } + } -u8 -acpi_ut_safe_strncat(char *dest, - acpi_size dest_size, - char *source, acpi_size max_transfer_length) -{ - acpi_size actual_transfer_length; + /* + * For octal and hexadecimal bases, skip over the leading + * 0 or 0x, if they are present. + */ + if (base == 8 && *string == '0') { + string++; + } - actual_transfer_length = ACPI_MIN(max_transfer_length, strlen(source)); + if (base == 16 && *string == '0' && tolower((int)*(++string)) == 'x') { + string++; + } - if ((strlen(dest) + actual_transfer_length) >= dest_size) { - return (TRUE); + /* Main loop: convert the string to an unsigned long */ + + while (*string) { + if (isdigit((int)*string)) { + index = ((u8)*string) - '0'; + } else { + index = (u8)toupper((int)*string); + if (isupper((int)index)) { + index = index - 'A' + 10; + } else { + goto error_exit; + } + } + + if (index >= base) { + goto error_exit; + } + + /* Check to see if value is out of range: */ + + if (return_value > ((ACPI_UINT64_MAX - (u64)index) / (u64)base)) { + goto error_exit; + } else { + return_value *= base; + return_value += index; + } + + ++string; } - strncat(dest, source, max_transfer_length); - return (FALSE); + /* If a minus sign was present, then "the conversion is negated": */ + + if (sign == ACPI_SIGN_NEGATIVE) { + return_value = (ACPI_UINT32_MAX - return_value) + 1; + } + + *ret_integer = return_value; + return (status); + +error_exit: + switch (base) { + case 8: + + status = AE_BAD_OCTAL_CONSTANT; + break; + + case 10: + + status = AE_BAD_DECIMAL_CONSTANT; + break; + + case 16: + + status = AE_BAD_HEX_CONSTANT; + break; + + default: + + /* Base validated above */ + + break; + } + + return (status); } #endif diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c index c7c2bb8f3559..60c406a8efcb 100644 --- a/drivers/acpi/acpica/uttrack.c +++ b/drivers/acpi/acpica/uttrack.c @@ -712,7 +712,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module) /* Print summary */ if (!num_outstanding) { - ACPI_INFO((AE_INFO, "No outstanding allocations")); + ACPI_INFO(("No outstanding allocations")); } else { ACPI_ERROR((AE_INFO, "%u(0x%X) Outstanding allocations", num_outstanding, num_outstanding)); diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c index 6fe59597b599..d9f15cbcd8a0 100644 --- a/drivers/acpi/acpica/utxferror.c +++ b/drivers/acpi/acpica/utxferror.c @@ -175,8 +175,7 @@ ACPI_EXPORT_SYMBOL(acpi_warning) * TBD: module_name and line_number args are not needed, should be removed. * ******************************************************************************/ -void ACPI_INTERNAL_VAR_XFACE -acpi_info(const char *module_name, u32 line_number, const char *format, ...) +void ACPI_INTERNAL_VAR_XFACE acpi_info(const char *format, ...) { va_list arg_list; diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c index 721b87cce908..75b5f27da267 100644 --- a/drivers/acpi/acpica/utxfinit.c +++ b/drivers/acpi/acpica/utxfinit.c @@ -154,21 +154,6 @@ acpi_status __init acpi_enable_subsystem(u32 flags) */ acpi_gbl_early_initialization = FALSE; - /* - * Install the default operation region handlers. These are the - * handlers that are defined by the ACPI specification to be - * "always accessible" -- namely, system_memory, system_IO, and - * PCI_Config. This also means that no _REG methods need to be - * run for these address spaces. We need to have these handlers - * installed before any AML code can be executed, especially any - * module-level code (11/2015). - */ - status = acpi_ev_install_region_handlers(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "During Region initialization")); - return_ACPI_STATUS(status); - } #if (!ACPI_REDUCED_HARDWARE) /* Enable ACPI mode */ @@ -260,23 +245,6 @@ acpi_status __init acpi_initialize_objects(u32 flags) ACPI_FUNCTION_TRACE(acpi_initialize_objects); - /* - * Run all _REG methods - * - * Note: Any objects accessed by the _REG methods will be automatically - * initialized, even if they contain executable AML (see the call to - * acpi_ns_initialize_objects below). - */ - acpi_gbl_reg_methods_enabled = TRUE; - if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "[Init] Executing _REG OpRegion methods\n")); - - status = acpi_ev_initialize_op_regions(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } #ifdef ACPI_EXEC_APP /* * This call implements the "initialization file" option for acpi_exec. @@ -299,32 +267,27 @@ acpi_status __init acpi_initialize_objects(u32 flags) */ if (acpi_gbl_group_module_level_code) { acpi_ns_exec_module_code_list(); - } - - /* - * Initialize the objects that remain uninitialized. This runs the - * executable AML that may be part of the declaration of these objects: - * operation_regions, buffer_fields, Buffers, and Packages. - */ - if (!(flags & ACPI_NO_OBJECT_INIT)) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "[Init] Completing Initialization of ACPI Objects\n")); - status = acpi_ns_initialize_objects(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + /* + * Initialize the objects that remain uninitialized. This + * runs the executable AML that may be part of the + * declaration of these objects: + * operation_regions, buffer_fields, Buffers, and Packages. + */ + if (!(flags & ACPI_NO_OBJECT_INIT)) { + status = acpi_ns_initialize_objects(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } } } /* - * Initialize all device objects in the namespace. This runs the device - * _STA and _INI methods. + * Initialize all device/region objects in the namespace. This runs + * the device _STA and _INI methods and region _REG methods. */ - if (!(flags & ACPI_NO_DEVICE_INIT)) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "[Init] Initializing ACPI Devices\n")); - - status = acpi_ns_initialize_devices(); + if (!(flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT))) { + status = acpi_ns_initialize_devices(flags); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } |