diff options
Diffstat (limited to 'drivers/acpi/utilities')
| -rw-r--r-- | drivers/acpi/utilities/utdebug.c | 38 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utdelete.c | 16 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utglobal.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utinit.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utmisc.c | 104 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utresrc.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utstate.c | 10 |
7 files changed, 145 insertions, 37 deletions
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index a8c350643d57a0..5ec1cfcc611d2b 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -517,20 +517,13 @@ acpi_ut_ptr_exit(u32 line_number, * ******************************************************************************/ -void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) +void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) { acpi_native_uint i = 0; acpi_native_uint j; u32 temp32; u8 buf_char; - /* Only dump the buffer if tracing is enabled */ - - if (!((ACPI_LV_TABLES & acpi_dbg_level) && - (component_id & acpi_dbg_layer))) { - return; - } - if ((count < 4) || (count & 0x01)) { display = DB_BYTE_DISPLAY; } @@ -556,6 +549,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) } switch (display) { + case DB_BYTE_DISPLAY: default: /* Default is BYTE display */ acpi_os_printf("%02X ", buffer[i + j]); @@ -613,3 +607,31 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) return; } + +/******************************************************************************* + * + * FUNCTION: acpi_ut_dump_buffer + * + * PARAMETERS: Buffer - Buffer to dump + * Count - Amount to dump, in bytes + * Display - BYTE, WORD, DWORD, or QWORD display + * component_iD - Caller's component ID + * + * RETURN: None + * + * DESCRIPTION: Generic dump buffer in both hex and ascii. + * + ******************************************************************************/ + +void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) +{ + + /* Only dump the buffer if tracing is enabled */ + + if (!((ACPI_LV_TABLES & acpi_dbg_level) && + (component_id & acpi_dbg_layer))) { + return; + } + + acpi_ut_dump_buffer2(buffer, count, display); +} diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index 51356e8eb99957..b4e34a2f81f77e 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -202,8 +202,20 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) if (handler_desc) { if (handler_desc->address_space.handler_flags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) { - obj_pointer = - second_desc->extra.region_context; + + /* Deactivate region and free region context */ + + if (handler_desc->address_space.setup) { + (void)handler_desc-> + address_space.setup(object, + ACPI_REGION_DEACTIVATE, + handler_desc-> + address_space. + context, + &second_desc-> + extra. + region_context); + } } acpi_ut_remove_reference(handler_desc); diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c index 8a05bb5ef4fe76..e8ae417c98489d 100644 --- a/drivers/acpi/utilities/utglobal.c +++ b/drivers/acpi/utilities/utglobal.c @@ -642,7 +642,7 @@ char *acpi_ut_get_node_name(void *object) /* Name must be a valid ACPI name */ if (!acpi_ut_valid_acpi_name(node->name.integer)) { - return ("????"); + node->name.integer = acpi_ut_repair_name(node->name.integer); } /* Return the name */ diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c index 40313de6977da7..7538b165b6e599 100644 --- a/drivers/acpi/utilities/utinit.c +++ b/drivers/acpi/utilities/utinit.c @@ -50,7 +50,7 @@ ACPI_MODULE_NAME("utinit") /* Local prototypes */ static void -acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset); +acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset); static void acpi_ut_terminate(void); @@ -69,12 +69,12 @@ static void acpi_ut_terminate(void); ******************************************************************************/ static void -acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset) +acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset) { ACPI_WARNING((AE_INFO, "Invalid FADT value %s=%X at offset %X FADT=%p", - register_name, value, (u32) offset, acpi_gbl_FADT)); + register_name, value, offset, acpi_gbl_FADT)); } /****************************************************************************** diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 017a87ebc40bdc..4623d7e215d3e0 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -49,6 +49,33 @@ ACPI_MODULE_NAME("utmisc") /******************************************************************************* * + * FUNCTION: acpi_ut_is_aml_table + * + * PARAMETERS: Table - An ACPI table + * + * RETURN: TRUE if table contains executable AML; FALSE otherwise + * + * DESCRIPTION: Check ACPI Signature for a table that contains AML code. + * Currently, these are DSDT,SSDT,PSDT. All other table types are + * data tables that do not contain AML code. + * + ******************************************************************************/ +u8 acpi_ut_is_aml_table(struct acpi_table_header *table) +{ + + /* Ignore tables that contain AML */ + + if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) || + ACPI_COMPARE_NAME(table->signature, PSDT_SIG) || + ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) { + return (TRUE); + } + + return (FALSE); +} + +/******************************************************************************* + * * FUNCTION: acpi_ut_allocate_owner_id * * PARAMETERS: owner_id - Where the new owner ID is returned @@ -60,6 +87,7 @@ ACPI_MODULE_NAME("utmisc") * when the method exits or the table is unloaded. * ******************************************************************************/ + acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) { acpi_native_uint i; @@ -469,6 +497,41 @@ acpi_ut_display_init_pathname(u8 type, /******************************************************************************* * + * FUNCTION: acpi_ut_valid_acpi_char + * + * PARAMETERS: Char - The character to be examined + * + * RETURN: TRUE if the character is valid, FALSE otherwise + * + * DESCRIPTION: Check for a valid ACPI character. Must be one of: + * 1) Upper case alpha + * 2) numeric + * 3) underscore + * + * We allow a '!' as the last character because of the ASF! table + * + ******************************************************************************/ + +u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position) +{ + + if (!((character >= 'A' && character <= 'Z') || + (character >= '0' && character <= '9') || (character == '_'))) { + + /* Allow a '!' in the last position */ + + if (character == '!' && position == 3) { + return (TRUE); + } + + return (FALSE); + } + + return (TRUE); +} + +/******************************************************************************* + * * FUNCTION: acpi_ut_valid_acpi_name * * PARAMETERS: Name - The name to be examined @@ -484,19 +547,13 @@ acpi_ut_display_init_pathname(u8 type, u8 acpi_ut_valid_acpi_name(u32 name) { - char *name_ptr = (char *)&name; - char character; acpi_native_uint i; ACPI_FUNCTION_ENTRY(); for (i = 0; i < ACPI_NAME_SIZE; i++) { - character = *name_ptr; - name_ptr++; - - if (!((character == '_') || - (character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9'))) { + if (!acpi_ut_valid_acpi_char + ((ACPI_CAST_PTR(char, &name))[i], i)) { return (FALSE); } } @@ -506,24 +563,37 @@ u8 acpi_ut_valid_acpi_name(u32 name) /******************************************************************************* * - * FUNCTION: acpi_ut_valid_acpi_character + * FUNCTION: acpi_ut_repair_name * - * PARAMETERS: Character - The character to be examined + * PARAMETERS: Name - The ACPI name to be repaired * - * RETURN: 1 if Character may appear in a name, else 0 + * RETURN: Repaired version of the name * - * DESCRIPTION: Check for a printable character + * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and + * return the new name. * ******************************************************************************/ -u8 acpi_ut_valid_acpi_character(char character) +acpi_name acpi_ut_repair_name(acpi_name name) { + char *name_ptr = ACPI_CAST_PTR(char, &name); + char new_name[ACPI_NAME_SIZE]; + acpi_native_uint i; - ACPI_FUNCTION_ENTRY(); + for (i = 0; i < ACPI_NAME_SIZE; i++) { + new_name[i] = name_ptr[i]; + + /* + * Replace a bad character with something printable, yet technically + * still invalid. This prevents any collisions with existing "good" + * names in the namespace. + */ + if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) { + new_name[i] = '*'; + } + } - return ((u8) ((character == '_') || - (character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9'))); + return (*ACPI_CAST_PTR(u32, new_name)); } /******************************************************************************* diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c index 4c24e6d5400a12..1e680794c6df8e 100644 --- a/drivers/acpi/utilities/utresrc.c +++ b/drivers/acpi/utilities/utresrc.c @@ -258,7 +258,7 @@ static const u8 acpi_gbl_resource_types[] = { acpi_status acpi_ut_walk_aml_resources(u8 * aml, acpi_size aml_length, - acpi_walk_aml_callback user_function, void *context) + acpi_walk_aml_callback user_function, void **context) { acpi_status status; u8 *end_aml; @@ -319,7 +319,7 @@ acpi_ut_walk_aml_resources(u8 * aml, /* Return the pointer to the end_tag if requested */ if (!user_function) { - *(void **)context = aml; + *context = aml; } /* Normal exit */ @@ -610,7 +610,7 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc, status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer, obj_desc->buffer.length, NULL, - end_tag); + (void **)end_tag); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c index 637c5f964879a1..aec5034cd97847 100644 --- a/drivers/acpi/utilities/utstate.c +++ b/drivers/acpi/utilities/utstate.c @@ -321,8 +321,8 @@ union acpi_generic_state *acpi_ut_create_control_state(void) * * RETURN: None * - * DESCRIPTION: Put a state object back into the global state cache. The object - * is not actually freed at this time. + * DESCRIPTION: Release a state object to the state cache. NULL state objects + * are ignored. * ******************************************************************************/ @@ -330,6 +330,10 @@ void acpi_ut_delete_generic_state(union acpi_generic_state *state) { ACPI_FUNCTION_TRACE("ut_delete_generic_state"); - (void)acpi_os_release_object(acpi_gbl_state_cache, state); + /* Ignore null state */ + + if (state) { + (void)acpi_os_release_object(acpi_gbl_state_cache, state); + } return_VOID; } |