diff options
Diffstat (limited to 'drivers/acpi/executer')
23 files changed, 896 insertions, 507 deletions
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c index ac3c061967f..734b2f24af4 100644 --- a/drivers/acpi/executer/exconfig.c +++ b/drivers/acpi/executer/exconfig.c @@ -54,6 +54,14 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exconfig") +/* Local prototypes */ + +static acpi_status +acpi_ex_add_table ( + struct acpi_table_header *table, + struct acpi_namespace_node *parent_node, + union acpi_operand_object **ddb_handle); + /******************************************************************************* * @@ -70,7 +78,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_add_table ( struct acpi_table_header *table, struct acpi_namespace_node *parent_node, @@ -95,10 +103,10 @@ acpi_ex_add_table ( ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc)); - table_info.type = ACPI_TABLE_SSDT; - table_info.pointer = table; - table_info.length = (acpi_size) table->length; - table_info.allocation = ACPI_MEM_ALLOCATED; + table_info.type = ACPI_TABLE_SSDT; + table_info.pointer = table; + table_info.length = (acpi_size) table->length; + table_info.allocation = ACPI_MEM_ALLOCATED; status = acpi_tb_install_table (&table_info); if (ACPI_FAILURE (status)) { @@ -226,11 +234,10 @@ acpi_ex_load_table_op ( start_node = parent_node; } - /* - * Find the node referenced by the parameter_path_string - */ + /* Find the node referenced by the parameter_path_string */ + status = acpi_ns_get_node_by_path (operand[4]->string.pointer, start_node, - ACPI_NS_SEARCH_PARENT, ¶meter_node); + ACPI_NS_SEARCH_PARENT, ¶meter_node); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -248,7 +255,8 @@ acpi_ex_load_table_op ( if (parameter_node) { /* Store the parameter data into the optional parameter object */ - status = acpi_ex_store (operand[5], ACPI_CAST_PTR (union acpi_operand_object, parameter_node), + status = acpi_ex_store (operand[5], + ACPI_CAST_PTR (union acpi_operand_object, parameter_node), walk_state); if (ACPI_FAILURE (status)) { (void) acpi_ex_unload_table (ddb_handle); @@ -371,7 +379,8 @@ acpi_ex_load_op ( goto cleanup; } - table_ptr = ACPI_CAST_PTR (struct acpi_table_header, buffer_desc->buffer.pointer); + table_ptr = ACPI_CAST_PTR (struct acpi_table_header, + buffer_desc->buffer.pointer); /* Sanity check the table length */ diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c index df7ba1219bf..97856c48bd7 100644 --- a/drivers/acpi/executer/exconvrt.c +++ b/drivers/acpi/executer/exconvrt.c @@ -50,6 +50,15 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exconvrt") +/* Local prototypes */ + +static u32 +acpi_ex_convert_to_ascii ( + acpi_integer integer, + u16 base, + u8 *string, + u8 max_length); + /******************************************************************************* * @@ -115,9 +124,8 @@ acpi_ex_convert_to_integer ( */ result = 0; - /* - * String conversion is different than Buffer conversion - */ + /* String conversion is different than Buffer conversion */ + switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { case ACPI_TYPE_STRING: @@ -168,9 +176,8 @@ acpi_ex_convert_to_integer ( break; } - /* - * Create a new integer - */ + /* Create a new integer */ + return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); if (!return_desc) { return_ACPI_STATUS (AE_NO_MEMORY); @@ -251,7 +258,8 @@ acpi_ex_convert_to_buffer ( * ASL/AML code that depends on the null being transferred to the new * buffer. */ - return_desc = acpi_ut_create_buffer_object ((acpi_size) obj_desc->string.length + 1); + return_desc = acpi_ut_create_buffer_object ( + (acpi_size) obj_desc->string.length + 1); if (!return_desc) { return_ACPI_STATUS (AE_NO_MEMORY); } @@ -291,7 +299,7 @@ acpi_ex_convert_to_buffer ( * ******************************************************************************/ -u32 +static u32 acpi_ex_convert_to_ascii ( acpi_integer integer, u16 base, @@ -357,8 +365,9 @@ acpi_ex_convert_to_ascii ( case 16: - hex_length = ACPI_MUL_2 (data_width); /* 2 ascii hex chars per data byte */ + /* hex_length: 2 ascii hex chars per data byte */ + hex_length = ACPI_MUL_2 (data_width); for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) { /* Get one hex digit, most significant digits first */ @@ -475,7 +484,7 @@ acpi_ex_convert_to_string ( /* Setup string length, base, and separator */ switch (type) { - case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string operator */ + case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */ /* * From ACPI: "If Data is a buffer, it is converted to a string of * decimal values separated by commas." @@ -509,7 +518,7 @@ acpi_ex_convert_to_string ( string_length = (obj_desc->buffer.length * 3); break; - case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string operator */ + case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string */ /* * From ACPI: "If Data is a buffer, it is converted to a string of * hexadecimal values separated by commas." @@ -530,9 +539,8 @@ acpi_ex_convert_to_string ( return_ACPI_STATUS (AE_AML_STRING_LIMIT); } - /* - * Create a new string object and string buffer - */ + /* Create a new string object and string buffer */ + return_desc = acpi_ut_create_string_object ((acpi_size) string_length); if (!return_desc) { return_ACPI_STATUS (AE_NO_MEMORY); @@ -551,8 +559,10 @@ acpi_ex_convert_to_string ( *new_buf++ = separator; /* each separated by a comma or space */ } - /* Null terminate the string (overwrites final comma/space from above) */ - + /* + * Null terminate the string + * (overwrites final comma/space from above) + */ new_buf--; *new_buf = 0; break; @@ -645,7 +655,6 @@ acpi_ex_convert_to_target_type ( case ACPI_TYPE_STRING: - /* * The operand must be a String. We can convert an * Integer or Buffer if necessary @@ -656,7 +665,6 @@ acpi_ex_convert_to_target_type ( case ACPI_TYPE_BUFFER: - /* * The operand must be a Buffer. We can convert an * Integer or String if necessary diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index d94c260dac6..812cdcb2e37 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -55,7 +55,7 @@ #ifndef ACPI_NO_METHOD_EXECUTION -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_alias * @@ -65,7 +65,7 @@ * * DESCRIPTION: Create a new named alias * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_alias ( @@ -140,8 +140,7 @@ acpi_ex_create_alias ( * target node or the alias Node */ status = acpi_ns_attach_object (alias_node, - acpi_ns_get_attached_object (target_node), - target_node->type); + acpi_ns_get_attached_object (target_node), target_node->type); break; } @@ -151,7 +150,7 @@ acpi_ex_create_alias ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_event * @@ -161,7 +160,7 @@ acpi_ex_create_alias ( * * DESCRIPTION: Create a new event object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_event ( @@ -185,7 +184,7 @@ acpi_ex_create_event ( * that the event is created in an unsignalled state */ status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, - &obj_desc->event.semaphore); + &obj_desc->event.semaphore); if (ACPI_FAILURE (status)) { goto cleanup; } @@ -193,7 +192,7 @@ acpi_ex_create_event ( /* Attach object to the Node */ status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0], - obj_desc, ACPI_TYPE_EVENT); + obj_desc, ACPI_TYPE_EVENT); cleanup: /* @@ -205,7 +204,7 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_mutex * @@ -217,7 +216,7 @@ cleanup: * * Mutex (Name[0], sync_level[1]) * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_mutex ( @@ -267,20 +266,20 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_region * * PARAMETERS: aml_start - Pointer to the region declaration AML * aml_length - Max length of the declaration AML - * Operands - List of operands for the opcode + * region_space - space_iD for the region * walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new operation region object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_region ( @@ -321,7 +320,7 @@ acpi_ex_create_region ( } ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n", - acpi_ut_get_region_name (region_space), region_space)); + acpi_ut_get_region_name (region_space), region_space)); /* Create the region descriptor */ @@ -360,7 +359,7 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_table_region * @@ -370,7 +369,7 @@ cleanup: * * DESCRIPTION: Create a new data_table_region object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_table_region ( @@ -455,7 +454,7 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_processor * @@ -467,7 +466,7 @@ cleanup: * * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3]) * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_processor ( @@ -488,9 +487,8 @@ acpi_ex_create_processor ( return_ACPI_STATUS (AE_NO_MEMORY); } - /* - * Initialize the processor object from the operands - */ + /* Initialize the processor object from the operands */ + obj_desc->processor.proc_id = (u8) operand[1]->integer.value; obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value; obj_desc->processor.length = (u8) operand[3]->integer.value; @@ -507,7 +505,7 @@ acpi_ex_create_processor ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_power_resource * @@ -519,7 +517,7 @@ acpi_ex_create_processor ( * * power_resource (Name[0], system_level[1], resource_order[2]) * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_power_resource ( @@ -555,10 +553,10 @@ acpi_ex_create_power_resource ( acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status); } - #endif -/***************************************************************************** + +/******************************************************************************* * * FUNCTION: acpi_ex_create_method * @@ -570,7 +568,7 @@ acpi_ex_create_power_resource ( * * DESCRIPTION: Create a new method object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_method ( diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index e2f7c32f28d..40850064811 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -51,23 +51,48 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exdump") +/* Local prototypes */ + +#ifdef ACPI_FUTURE_USAGE +static void +acpi_ex_out_string ( + char *title, + char *value); + +static void +acpi_ex_out_pointer ( + char *title, + void *value); + +static void +acpi_ex_out_integer ( + char *title, + u32 value); + +static void +acpi_ex_out_address ( + char *title, + acpi_physical_address value); +#endif /* ACPI_FUTURE_USAGE */ + /* * The following routines are used for debug output only */ #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_operand * - * PARAMETERS: *obj_desc - Pointer to entry to be dumped + * PARAMETERS: *obj_desc - Pointer to entry to be dumped + * Depth - Current nesting depth * * RETURN: None * * DESCRIPTION: Dump an operand object * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_operand ( @@ -86,9 +111,8 @@ acpi_ex_dump_operand ( } if (!obj_desc) { - /* - * This could be a null element of a package - */ + /* This could be a null element of a package */ + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Null Object Descriptor\n")); return; } @@ -117,6 +141,8 @@ acpi_ex_dump_operand ( ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p ", obj_desc)); } + /* Decode object type */ + switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { case ACPI_TYPE_LOCAL_REFERENCE: @@ -274,7 +300,9 @@ acpi_ex_dump_operand ( case ACPI_TYPE_STRING: acpi_os_printf ("String length %X @ %p ", - obj_desc->string.length, obj_desc->string.pointer); + obj_desc->string.length, + obj_desc->string.pointer); + acpi_ut_print_string (obj_desc->string.pointer, ACPI_UINT8_MAX); acpi_os_printf ("\n"); break; @@ -290,10 +318,13 @@ acpi_ex_dump_operand ( acpi_os_printf ( "region_field: Bits=%X acc_width=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n", - obj_desc->field.bit_length, obj_desc->field.access_byte_width, + obj_desc->field.bit_length, + obj_desc->field.access_byte_width, obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK, obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK, - obj_desc->field.base_byte_offset, obj_desc->field.start_field_bit_offset); + obj_desc->field.base_byte_offset, + obj_desc->field.start_field_bit_offset); + acpi_ex_dump_operand (obj_desc->field.region_obj, depth+1); break; @@ -308,13 +339,15 @@ acpi_ex_dump_operand ( acpi_os_printf ( "buffer_field: %X bits at byte %X bit %X of \n", - obj_desc->buffer_field.bit_length, obj_desc->buffer_field.base_byte_offset, + obj_desc->buffer_field.bit_length, + obj_desc->buffer_field.base_byte_offset, obj_desc->buffer_field.start_field_bit_offset); if (!obj_desc->buffer_field.buffer_obj) { ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*NULL* \n")); } - else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) != ACPI_TYPE_BUFFER) { + else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) != + ACPI_TYPE_BUFFER) { acpi_os_printf ("*not a Buffer* \n"); } else { @@ -331,10 +364,10 @@ acpi_ex_dump_operand ( case ACPI_TYPE_METHOD: - acpi_os_printf ( - "Method(%X) @ %p:%X\n", + acpi_os_printf ("Method(%X) @ %p:%X\n", obj_desc->method.param_count, - obj_desc->method.aml_start, obj_desc->method.aml_length); + obj_desc->method.aml_start, + obj_desc->method.aml_length); break; @@ -379,7 +412,7 @@ acpi_ex_dump_operand ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_operands * @@ -393,7 +426,7 @@ acpi_ex_dump_operand ( * * DESCRIPTION: Dump the object stack * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_operands ( @@ -441,10 +474,9 @@ acpi_ex_dump_operands ( #ifdef ACPI_FUTURE_USAGE - -/***************************************************************************** +/******************************************************************************* * - * FUNCTION: acpi_ex_out* + * FUNCTION: acpi_ex_out* functions * * PARAMETERS: Title - Descriptive text * Value - Value to be displayed @@ -453,9 +485,9 @@ acpi_ex_dump_operands ( * reduce the number of format strings required and keeps them * all in one place for easy modification. * - ****************************************************************************/ + ******************************************************************************/ -void +static void acpi_ex_out_string ( char *title, char *value) @@ -463,7 +495,7 @@ acpi_ex_out_string ( acpi_os_printf ("%20s : %s\n", title, value); } -void +static void acpi_ex_out_pointer ( char *title, void *value) @@ -471,7 +503,7 @@ acpi_ex_out_pointer ( acpi_os_printf ("%20s : %p\n", title, value); } -void +static void acpi_ex_out_integer ( char *title, u32 value) @@ -479,7 +511,7 @@ acpi_ex_out_integer ( acpi_os_printf ("%20s : %X\n", title, value); } -void +static void acpi_ex_out_address ( char *title, acpi_physical_address value) @@ -493,16 +525,16 @@ acpi_ex_out_address ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_node * * PARAMETERS: *Node - Descriptor to dump - * Flags - Force display + * Flags - Force display if TRUE * * DESCRIPTION: Dumps the members of the given.Node * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_node ( @@ -531,16 +563,16 @@ acpi_ex_dump_node ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_object_descriptor * * PARAMETERS: *Object - Descriptor to dump - * Flags - Force display + * Flags - Force display if TRUE * * DESCRIPTION: Dumps the members of the object descriptor given. * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_object_descriptor ( @@ -553,6 +585,10 @@ acpi_ex_dump_object_descriptor ( ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor"); + if (!obj_desc) { + return_VOID; + } + if (!flags) { if (!((ACPI_LV_OBJECTS & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) { return_VOID; @@ -747,11 +783,17 @@ acpi_ex_dump_object_descriptor ( case ACPI_TYPE_LOCAL_REFERENCE: acpi_ex_out_integer ("target_type", obj_desc->reference.target_type); - acpi_ex_out_string ("Opcode", (acpi_ps_get_opcode_info (obj_desc->reference.opcode))->name); + acpi_ex_out_string ("Opcode", (acpi_ps_get_opcode_info ( + obj_desc->reference.opcode))->name); acpi_ex_out_integer ("Offset", obj_desc->reference.offset); acpi_ex_out_pointer ("obj_desc", obj_desc->reference.object); acpi_ex_out_pointer ("Node", obj_desc->reference.node); acpi_ex_out_pointer ("Where", obj_desc->reference.where); + + if (obj_desc->reference.object) { + acpi_os_printf ("\nReferenced Object:\n"); + acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags); + } break; @@ -788,6 +830,5 @@ acpi_ex_dump_object_descriptor ( } #endif /* ACPI_FUTURE_USAGE */ - #endif diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c index be7f2124fa0..22c8fa480f6 100644 --- a/drivers/acpi/executer/exfield.c +++ b/drivers/acpi/executer/exfield.c @@ -120,8 +120,8 @@ acpi_ex_read_data_from_field ( * Note: Smbus protocol value is passed in upper 16-bits of Function */ status = acpi_ex_access_region (obj_desc, 0, - ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer), - ACPI_READ | (obj_desc->field.attribute << 16)); + ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer), + ACPI_READ | (obj_desc->field.attribute << 16)); acpi_ex_release_global_lock (locked); goto exit; } @@ -196,6 +196,7 @@ exit: * * PARAMETERS: source_desc - Contains data to write * obj_desc - The named field + * result_desc - Where the return value is returned, if any * * RETURN: Status * @@ -250,12 +251,15 @@ acpi_ex_write_data_to_field ( if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) { ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n", acpi_ut_get_object_type_name (source_desc))); + return_ACPI_STATUS (AE_AML_OPERAND_TYPE); } if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) { - ACPI_REPORT_ERROR (("SMBus write requires Buffer of length %X, found length %X\n", + ACPI_REPORT_ERROR (( + "SMBus write requires Buffer of length %X, found length %X\n", ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length)); + return_ACPI_STATUS (AE_AML_BUFFER_LIMIT); } @@ -265,14 +269,16 @@ acpi_ex_write_data_to_field ( } buffer = buffer_desc->buffer.pointer; - ACPI_MEMCPY (buffer, source_desc->buffer.pointer, ACPI_SMBUS_BUFFER_SIZE); + ACPI_MEMCPY (buffer, source_desc->buffer.pointer, + ACPI_SMBUS_BUFFER_SIZE); /* Lock entire transaction if requested */ locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags); /* - * Perform the write (returns status and perhaps data in the same buffer) + * Perform the write (returns status and perhaps data in the + * same buffer) * Note: SMBus protocol type is passed in upper 16-bits of Function. */ status = acpi_ex_access_region (obj_desc, 0, @@ -284,9 +290,8 @@ acpi_ex_write_data_to_field ( return_ACPI_STATUS (status); } - /* - * Get a pointer to the data to be written - */ + /* Get a pointer to the data to be written */ + switch (ACPI_GET_OBJECT_TYPE (source_desc)) { case ACPI_TYPE_INTEGER: buffer = &source_desc->integer.value; @@ -314,7 +319,8 @@ acpi_ex_write_data_to_field ( * the ACPI specification. */ new_buffer = NULL; - required_length = ACPI_ROUND_BITS_UP_TO_BYTES (obj_desc->common_field.bit_length); + required_length = ACPI_ROUND_BITS_UP_TO_BYTES ( + obj_desc->common_field.bit_length); if (length < required_length) { /* We need to create a new buffer */ @@ -338,6 +344,7 @@ acpi_ex_write_data_to_field ( "field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n", source_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (source_desc)), ACPI_GET_OBJECT_TYPE (source_desc), buffer, length)); + ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n", obj_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)), diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c index 9d0f9d2e906..3c2f89e00f7 100644 --- a/drivers/acpi/executer/exfldio.c +++ b/drivers/acpi/executer/exfldio.c @@ -52,12 +52,31 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exfldio") +/* Local prototypes */ + +static acpi_status +acpi_ex_field_datum_io ( + union acpi_operand_object *obj_desc, + u32 field_datum_byte_offset, + acpi_integer *value, + u32 read_write); + +static u8 +acpi_ex_register_overflow ( + union acpi_operand_object *obj_desc, + acpi_integer value); + +static acpi_status +acpi_ex_setup_region ( + union acpi_operand_object *obj_desc, + u32 field_datum_byte_offset); + /******************************************************************************* * * FUNCTION: acpi_ex_setup_region * - * PARAMETERS: *obj_desc - Field to be read or written + * PARAMETERS: obj_desc - Field to be read or written * field_datum_byte_offset - Byte offset of this datum within the * parent field * @@ -69,7 +88,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_setup_region ( union acpi_operand_object *obj_desc, u32 field_datum_byte_offset) @@ -127,9 +146,9 @@ acpi_ex_setup_region ( * length of one field datum (access width) must fit within the region. * (Region length is specified in bytes) */ - if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset - + field_datum_byte_offset - + obj_desc->common_field.access_byte_width)) { + if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset + + field_datum_byte_offset + + obj_desc->common_field.access_byte_width)) { if (acpi_gbl_enable_interpreter_slack) { /* * Slack mode only: We will go ahead and allow access to this @@ -155,7 +174,8 @@ acpi_ex_setup_region ( "Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)\n", acpi_ut_get_node_name (obj_desc->common_field.node), obj_desc->common_field.access_byte_width, - acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length)); + acpi_ut_get_node_name (rgn_desc->region.node), + rgn_desc->region.length)); } /* @@ -167,7 +187,8 @@ acpi_ex_setup_region ( acpi_ut_get_node_name (obj_desc->common_field.node), obj_desc->common_field.base_byte_offset, field_datum_byte_offset, obj_desc->common_field.access_byte_width, - acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length)); + acpi_ut_get_node_name (rgn_desc->region.node), + rgn_desc->region.length)); return_ACPI_STATUS (AE_AML_REGION_LIMIT); } @@ -180,10 +201,10 @@ acpi_ex_setup_region ( * * FUNCTION: acpi_ex_access_region * - * PARAMETERS: *obj_desc - Field to be read + * PARAMETERS: obj_desc - Field to be read * field_datum_byte_offset - Byte offset of this datum within the * parent field - * *Value - Where to store value (must at least + * Value - Where to store value (must at least * the size of acpi_integer) * Function - Read or Write flag plus other region- * dependent flags @@ -226,9 +247,9 @@ acpi_ex_access_region ( * 3) The current offset into the field */ rgn_desc = obj_desc->common_field.region_obj; - address = rgn_desc->region.address - + obj_desc->common_field.base_byte_offset - + field_datum_byte_offset; + address = rgn_desc->region.address + + obj_desc->common_field.base_byte_offset + + field_datum_byte_offset; if ((function & ACPI_IO_MASK) == ACPI_READ) { |