diff options
Diffstat (limited to 'drivers/acpi/utilities/utglobal.c')
| -rw-r--r-- | drivers/acpi/utilities/utglobal.c | 935 |
1 files changed, 935 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c new file mode 100644 index 00000000000..25b0f8ae1bc --- /dev/null +++ b/drivers/acpi/utilities/utglobal.c @@ -0,0 +1,935 @@ +/****************************************************************************** + * + * Module Name: utglobal - Global variables for the ACPI subsystem + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2005, R. Byron Moore + * 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. + */ + +#define DEFINE_ACPI_GLOBALS + +#include <linux/module.h> + +#include <acpi/acpi.h> +#include <acpi/acnamesp.h> + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utglobal") + + +/****************************************************************************** + * + * FUNCTION: acpi_format_exception + * + * PARAMETERS: Status - The acpi_status code to be formatted + * + * RETURN: A string containing the exception text + * + * DESCRIPTION: This function translates an ACPI exception into an ASCII string. + * + ******************************************************************************/ + +const char * +acpi_format_exception ( + acpi_status status) +{ + const char *exception = "UNKNOWN_STATUS_CODE"; + acpi_status sub_status; + + + ACPI_FUNCTION_NAME ("format_exception"); + + + sub_status = (status & ~AE_CODE_MASK); + + switch (status & AE_CODE_MASK) { + case AE_CODE_ENVIRONMENTAL: + + if (sub_status <= AE_CODE_ENV_MAX) { + exception = acpi_gbl_exception_names_env [sub_status]; + break; + } + goto unknown; + + case AE_CODE_PROGRAMMER: + + if (sub_status <= AE_CODE_PGM_MAX) { + exception = acpi_gbl_exception_names_pgm [sub_status -1]; + break; + } + goto unknown; + + case AE_CODE_ACPI_TABLES: + + if (sub_status <= AE_CODE_TBL_MAX) { + exception = acpi_gbl_exception_names_tbl [sub_status -1]; + break; + } + goto unknown; + + case AE_CODE_AML: + + if (sub_status <= AE_CODE_AML_MAX) { + exception = acpi_gbl_exception_names_aml [sub_status -1]; + break; + } + goto unknown; + + case AE_CODE_CONTROL: + + if (sub_status <= AE_CODE_CTRL_MAX) { + exception = acpi_gbl_exception_names_ctrl [sub_status -1]; + break; + } + goto unknown; + + default: + goto unknown; + } + + + return ((const char *) exception); + +unknown: + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown exception code: 0x%8.8X\n", status)); + return ((const char *) exception); +} + + +/****************************************************************************** + * + * Static global variable initialization. + * + ******************************************************************************/ + +/* + * We want the debug switches statically initialized so they + * are already set when the debugger is entered. + */ + +/* Debug switch - level and trace mask */ +u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; +EXPORT_SYMBOL(acpi_dbg_level); + +/* Debug switch - layer (component) mask */ + +u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; +EXPORT_SYMBOL(acpi_dbg_layer); +u32 acpi_gbl_nesting_level = 0; + + +/* Debugger globals */ + +u8 acpi_gbl_db_terminate_threads = FALSE; +u8 acpi_gbl_abort_method = FALSE; +u8 acpi_gbl_method_executing = FALSE; + +/* System flags */ + +u32 acpi_gbl_startup_flags = 0; + +/* System starts uninitialized */ + +u8 acpi_gbl_shutdown = TRUE; + +const u8 acpi_gbl_decode_to8bit [8] = {1,2,4,8,16,32,64,128}; + +const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = +{ + "\\_S0_", + "\\_S1_", + "\\_S2_", + "\\_S3_", + "\\_S4_", + "\\_S5_" +}; + +const char *acpi_gbl_highest_dstate_names[4] = +{ + "_S1D", + "_S2D", + "_S3D", + "_S4D" +}; + +/* + * Strings supported by the _OSI predefined (internal) method. + * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS. + */ +const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = +{ + /* Operating System Vendor Strings */ + + "Linux", + "Windows 2000", + "Windows 2001", + "Windows 2001.1", + "Windows 2001 SP0", + "Windows 2001 SP1", + "Windows 2001 SP2", + "Windows 2001 SP3", + "Windows 2001 SP4", + + /* Feature Group Strings */ + + "Extended Address Space Descriptor" +}; + + +/****************************************************************************** + * + * Namespace globals + * + ******************************************************************************/ + + +/* + * Predefined ACPI Names (Built-in to the Interpreter) + * + * NOTES: + * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run + * during the initialization sequence. + * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to + * perform a Notify() operation on it. + */ +const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = +{ {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, + {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, + {"_SB_", ACPI_TYPE_DEVICE, NULL}, + {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, + {"_TZ_", ACPI_TYPE_THERMAL, NULL}, + {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL}, + {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, + {"_GL_", ACPI_TYPE_MUTEX, (char *) 1}, + +#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) + {"_OSI", ACPI_TYPE_METHOD, (char *) 1}, +#endif + {NULL, ACPI_TYPE_ANY, NULL} /* Table terminator */ +}; + + +/* + * 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 + * + * RETURN: Ascii character + * + * DESCRIPTION: Convert a hex digit to an ascii character + * + ****************************************************************************/ + +char +acpi_ut_hex_to_ascii_char ( + acpi_integer integer, + u32 position) +{ + + return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); +} + + +/****************************************************************************** + * + * Table name globals + * + * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. + * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables + * that are not used by the subsystem are simply ignored. + * + * Do NOT add any table to this list that is not consumed directly by this + * subsystem. + * + ******************************************************************************/ + +struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; + +struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] = +{ + /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ + + /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}, + /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *) &acpi_gbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE | ACPI_TABLE_EXECUTABLE}, + /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *) &acpi_gbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE}, + /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *) &acpi_gbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE}, + /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE}, + /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE}, + /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}, +}; + + +/****************************************************************************** + * + * Event and Hardware globals + * + ******************************************************************************/ + +struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = +{ + /* Name Parent Register Register Bit Position Register Bit Mask */ + + /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS}, + /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS}, + /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS}, + /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS}, + /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS}, + /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS}, + /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS}, + /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS}, + + /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE}, + /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, + /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE}, + /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, + /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE}, + /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, + /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, + + /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE}, + /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD}, + /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, + /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X}, + /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X}, + /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE}, + + /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE} +}; + + +struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = +{ + /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE}, + /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, + /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE}, + /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, + /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, +}; + +/***************************************************************************** + * + * 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] = +{ +/*! [Begin] no source code translation (keep these ASL Keywords as-is) */ + "SystemMemory", + "SystemIO", + "PCI_Config", + "EmbeddedControl", + "SMBus", + "CMOS", + "PCIBARTarget", + "DataTable" +/*! [End] no source code translation !*/ +}; + + +char * +acpi_ut_get_region_name ( + u8 space_id) +{ + + if (space_id >= ACPI_USER_REGION_BEGIN) + { + return ("user_defined_region"); + } + + else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) + { + return ("invalid_space_id"); + } + + return ((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", + "global_lock", + "power_button", + "sleep_button", + "real_time_clock", +}; + + +char * +acpi_ut_get_event_name ( + u32 event_id) +{ + + if (event_id > ACPI_EVENT_MAX) + { + return ("invalid_event_iD"); + } + + return ((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"; +#define TYPE_NAME_LENGTH 12 /* Maximum length of each string */ + +static const char *acpi_gbl_ns_type_names[] = /* printable names of ACPI types */ +{ + /* 00 */ "Untyped", + /* 01 */ "Integer", + /* 02 */ "String", + /* 03 */ "Buffer", + /* 04 */ "Package", + /* 05 */ "field_unit", + /* 06 */ "Device", + /* 07 */ "Event", + /* 08 */ "Method", + /* 09 */ "Mutex", + /* 10 */ "Region", + /* 11 */ "Power", + /* 12 */ "Processor", + /* 13 */ "Thermal", + /* 14 */ "buffer_field", + /* 15 */ "ddb_handle", + /* 16 */ "debug_object", + /* 17 */ "region_field", + /* 18 */ "bank_field", + /* 19 */ "index_field", + /* 20 */ "Reference", + /* 21 */ "Alias", + /* 22 */ "method_alias", + /* 23 */ "Notify", + /* 24 */ "addr_handler", + /* 25 */ "resource_desc", + /* 26 */ "resource_fld", + /* 27 */ "Scope", + /* 28 */ "Extra", + /* 29 */ "Data", + /* 30 */ "Invalid" +}; + + +char * +acpi_ut_get_type_name ( + acpi_object_type type) +{ + + if (type > ACPI_TYPE_INVALID) + { + return ((char *) acpi_gbl_bad_type); + } + + return ((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 (ACPI_GET_OBJECT_TYPE (obj_desc))); +} + + +/***************************************************************************** + * + * 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 (node->descriptor != ACPI_DESC_TYPE_NAMED) + { + return ("####"); + } + + /* Name must be a valid ACPI name */ + + if (!acpi_ut_valid_acpi_name (* (u32 *) node->name.ascii)) + { + return ("????"); + } + + /* 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 + * + ****************************************************************************/ + +static const char *acpi_gbl_desc_type_names[] = /* printable names of descriptor types */ +{ + /* 00 */ "Invalid", + /* 01 */ "Cached", + /* 02 */ "State-Generic", + /* 03 */ "State-Update", + /* 04 */ "State-Package", + /* 05 */ "State-Control", + /* 06 */ "State-root_parse_scope", + /* 07 */ "State-parse_scope", + /* 08 */ "State-walk_scope", + /* 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 ((char *) acpi_gbl_bad_type); + } + + return ((char *) acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE (object)]); + +} + + +#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) +/* + * Strings and procedures used for debug only + */ + +/***************************************************************************** + * + * FUNCTION: acpi_ut_get_mutex_name + * + * PARAMETERS: None. + * + * RETURN: Status + * + * DESCRIPTION: Translate a mutex ID into a name string (Debug only) + * + ****************************************************************************/ + +char * +acpi_ut_get_mutex_name ( + u32 mutex_id) +{ + + if (mutex_id > MAX_MUTEX) + { + return ("Invalid Mutex ID"); + } + + return (acpi_gbl_mutex_names[mutex_id]); +} + +#endif + + +/***************************************************************************** + * + * FUNCTION: acpi_ut_valid_object_type + * + * PARAMETERS: Type - Object type to be validated + * + * RETURN: TRUE if valid object type + * + * 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_allocate_owner_id + * + * PARAMETERS: id_type - Type of ID (method or table) + * + * DESCRIPTION: Allocate a table or method owner id + * + ***************************************************************************/ + +acpi_owner_id +acpi_ut_allocate_owner_id ( + u32 id_type) +{ + acpi_owner_id owner_id = 0xFFFF; + + + ACPI_FUNCTION_TRACE ("ut_allocate_owner_id"); + + + if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) + { + return (0); + } + + switch (id_type) + { + case ACPI_OWNER_TYPE_TABLE: + + owner_id = acpi_gbl_next_table_owner_id; + acpi_gbl_next_table_owner_id++; + + /* Check for wraparound */ + + if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID) + { + acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID; + ACPI_REPORT_WARNING (("Table owner ID wraparound\n")); + } + break; + + + case ACPI_OWNER_TYPE_METHOD: + + owner_id = acpi_gbl_next_method_owner_id; + acpi_gbl_next_method_owner_id++; + + if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID) + { + /* Check for wraparound */ + + acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID; + } + break; + + default: + break; + } + + (void) acpi_ut_release_mutex (ACPI_MTX_CACHES); + return_VALUE (owner_id); +} + + +/**************************************************************************** + * + * FUNCTION: acpi_ut_init_globals + * + * PARAMETERS: none + * + * DESCRIPTION: Init library globals. All globals that require specific + * initialization should be initialized here! + * + ***************************************************************************/ + +void +acpi_ut_init_globals ( + void) +{ + u32 i; + + + ACPI_FUNCTION_TRACE ("ut_init_globals"); + + + /* Memory allocation and cache lists */ + + ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS); + + acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL); + acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL); + acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL); + acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL); + acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL); + + acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size = sizeof (struct acpi_namespace_node); + acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size = sizeof (union acpi_generic_state); + acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size = sizeof (struct acpi_parse_obj_common); + acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named); + acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size = sizeof (union acpi_operand_object); + acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size = sizeof (struct acpi_walk_state); + + acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth = ACPI_MAX_STATE_CACHE_DEPTH; + acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH; + acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH; + acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH; + acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth = ACPI_MAX_WALK_CACHE_DEPTH; + + ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name = "Global Memory Allocation"); + ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name = "Namespace Nodes"); + ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name = "State Object Cache"); + ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name = "Parse Node Cache"); + ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache"); + ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name = "Operand Object Cache"); + ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name = "Tree Walk Node Cache"); + + /* ACPI table structure */ + + for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) + { + acpi_gbl_table_lists[i].next = NULL; + acpi_gbl_table_lists[i].count = 0; + } + + /* Mutex locked flags */ + + for (i = 0; i < NUM_MUTEX; i++) + { + acpi_gbl_mutex_info[i].mutex = NULL; + acpi_gbl_mutex_info[i].owner_id = ACPI_MUTEX_NOT_ACQUIRED; + acpi_gbl_mutex_info[i].use_count = 0; + } + + /* GPE support */ + + acpi_gbl_gpe_xrupt_list_head = NULL; + acpi_gbl_gpe_fadt_blocks[0] = NULL; + acpi_gbl_gpe_fadt_blocks[1] = NULL; + + /* Global notify handlers */ + + acpi_gbl_system_notify.handler = NULL; + acpi_gbl_device_notify.handler = NULL; + acpi_gbl_exception_handler = NULL; + acpi_gbl_init_handler = NULL; + + /* Global "typed" ACPI table pointers */ + + acpi_gbl_RSDP = NULL; + acpi_gbl_XSDT = NULL; + acpi_gbl_FACS = NULL; + acpi_gbl_FADT = NULL; + acpi_gbl_DSDT = NULL; + + /* Global Lock support */ + + acpi_gbl_global_lock_acquired = FALSE; + acpi_gbl_global_lock_thread_count = 0; + acpi_gbl_global_lock_handle = 0; + + /* Miscellaneous variables */ + + acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER; + acpi_gbl_rsdp_original_location = 0; + acpi_gbl_cm_single_step = FALSE; + acpi_gbl_db_terminate_threads = FALSE; + acpi_gbl_shutdown = FALSE; + acpi_gbl_ns_lookup_count = 0; + acpi_gbl_ps_find_count = 0; + acpi_gbl_acpi_hardware_present = TRUE; + acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID; + acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID; + acpi_gbl_debugger_configuration = DEBUGGER_THREADING; + acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; + + /* Hardware oriented */ + + acpi_gbl_events_initialized = FALSE; + acpi_gbl_system_awake_and_running = TRUE; + + /* Namespace */ + + acpi_gbl_root_node = NULL; + + acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; + acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED; + acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; + acpi_gbl_root_node_struct.child = NULL; + acpi_gbl_root_node_struct.peer = NULL; + acpi_gbl_root_node_struct.object = NULL; + acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; + + +#ifdef ACPI_DEBUG_OUTPUT + acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; +#endif + + return_VOID; +} + + |