acpi_status
acpi_db_convert_to_object(acpi_object_type type,
char *string, union acpi_object * object)
{
acpi_status status = AE_OK;
switch (type) {
case ACPI_TYPE_STRING:
object->type = ACPI_TYPE_STRING;
object->string.pointer = string;
object->string.length = (u32)strlen(string);
break;
case ACPI_TYPE_BUFFER:
status = acpi_db_convert_to_buffer(string, object);
break;
case ACPI_TYPE_PACKAGE:
status = acpi_db_convert_to_package(string, object);
break;
default:
object->type = ACPI_TYPE_INTEGER;
status =
acpi_ut_strtoul64(string, 16, acpi_gbl_integer_byte_width,
&object->integer.value);
break;
}
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_convert_to_integer
*
* PARAMETERS: original_object - Object to be converted
* return_object - Where the new converted object is returned
*
* RETURN: Status. AE_OK if conversion was successful.
*
* DESCRIPTION: Attempt to convert a String/Buffer object to an Integer.
*
******************************************************************************/
acpi_status
acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
union acpi_operand_object **return_object)
{
union acpi_operand_object *new_object;
acpi_status status;
u64 value = 0;
u32 i;
switch (original_object->common.type) {
case ACPI_TYPE_STRING:
/* String-to-Integer conversion */
status = acpi_ut_strtoul64(original_object->string.pointer,
ACPI_ANY_BASE, &value);
if (ACPI_FAILURE(status)) {
return (status);
}
break;
case ACPI_TYPE_BUFFER:
/* Buffer-to-Integer conversion. Max buffer size is 64 bits. */
if (original_object->buffer.length > 8) {
return (AE_AML_OPERAND_TYPE);
}
/* Extract each buffer byte to create the integer */
for (i = 0; i < original_object->buffer.length; i++) {
value |=
((u64)original_object->buffer.
pointer[i] << (i * 8));
}
break;
default:
return (AE_AML_OPERAND_TYPE);
}
new_object = acpi_ut_create_integer_object(value);
if (!new_object) {
return (AE_NO_MEMORY);
}
*return_object = new_object;
return (AE_OK);
}
acpi_status
acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc, u32 flags)
{
union acpi_operand_object *return_desc;
u8 *pointer;
acpi_integer result;
u32 i;
u32 count;
acpi_status status;
ACPI_FUNCTION_TRACE_PTR(ex_convert_to_integer, obj_desc);
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_INTEGER:
/* No conversion necessary */
*result_desc = obj_desc;
return_ACPI_STATUS(AE_OK);
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_STRING:
/* Note: Takes advantage of common buffer/string fields */
pointer = obj_desc->buffer.pointer;
count = obj_desc->buffer.length;
break;
default:
return_ACPI_STATUS(AE_TYPE);
}
/*
* Convert the buffer/string to an integer. Note that both buffers and
* strings are treated as raw data - we don't convert ascii to hex for
* strings.
*
* There are two terminating conditions for the loop:
* 1) The size of an integer has been reached, or
* 2) The end of the buffer or string has been reached
*/
result = 0;
/* String conversion is different than Buffer conversion */
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_STRING:
/*
* Convert string to an integer - for most cases, the string must be
* hexadecimal as per the ACPI specification. The only exception (as
* of ACPI 3.0) is that the to_integer() operator allows both decimal
* and hexadecimal strings (hex prefixed with "0x").
*/
status = acpi_ut_strtoul64((char *)pointer, flags, &result);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
break;
case ACPI_TYPE_BUFFER:
/* Check for zero-length buffer */
if (!count) {
return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
}
/* Transfer no more than an integer's worth of data */
if (count > acpi_gbl_integer_byte_width) {
count = acpi_gbl_integer_byte_width;
}
/*
* Convert buffer to an integer - we simply grab enough raw data
* from the buffer to fill an integer
*/
for (i = 0; i < count; i++) {
/*
* Get next byte and shift it into the Result.
* Little endian is used, meaning that the first byte of the buffer
* is the LSB of the integer
*/
result |= (((acpi_integer) pointer[i]) << (i * 8));
}
break;
default:
/* No other types can get here */
break;
}
/* Create a new integer */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
ACPI_FORMAT_UINT64(result)));
/* Save the Result */
return_desc->integer.value = result;
acpi_ex_truncate_for32bit_table(return_desc);
*result_desc = return_desc;
return_ACPI_STATUS(AE_OK);
}
static int ap_do_options(int argc, char **argv)
{
int j;
acpi_status status;
/* Command line options */
while ((j =
acpi_getopt(argc, argv, AP_SUPPORTED_OPTIONS)) != ACPI_OPT_END)
switch (j) {
/*
* Global options
*/
case 'b': /* Dump all input tables to binary files */
gbl_binary_mode = TRUE;
continue;
case 'c': /* Dump customized tables */
if (!strcmp(acpi_gbl_optarg, "on")) {
gbl_dump_customized_tables = TRUE;
} else if (!strcmp(acpi_gbl_optarg, "off")) {
gbl_dump_customized_tables = FALSE;
} else {
fprintf(stderr,
"%s: Cannot handle this switch, please use on|off\n",
acpi_gbl_optarg);
return (-1);
}
continue;
case 'h':
case '?':
ap_display_usage();
return (1);
case 'o': /* Redirect output to a single file */
if (ap_open_output_file(acpi_gbl_optarg)) {
return (-1);
}
continue;
case 'r': /* Dump tables from specified RSDP */
status =
acpi_ut_strtoul64(acpi_gbl_optarg,
ACPI_STRTOUL_64BIT,
&gbl_rsdp_base);
if (ACPI_FAILURE(status)) {
fprintf(stderr,
"%s: Could not convert to a physical address\n",
acpi_gbl_optarg);
return (-1);
}
continue;
case 's': /* Print table summaries only */
gbl_summary_mode = TRUE;
continue;
case 'x': /* Do not use XSDT */
if (!acpi_gbl_do_not_use_xsdt) {
acpi_gbl_do_not_use_xsdt = TRUE;
} else {
gbl_do_not_dump_xsdt = TRUE;
}
continue;
case 'v': /* Revision/version */
acpi_os_printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
return (1);
case 'z': /* Verbose mode */
gbl_verbose_mode = TRUE;
fprintf(stderr, ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
continue;
/*
* Table options
*/
case 'a': /* Get table by physical address */
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_ADDRESS)) {
return (-1);
}
break;
case 'f': /* Get table from a file */
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_FILE)) {
return (-1);
}
break;
case 'n': /* Get table by input name (signature) */
if (ap_insert_action
(acpi_gbl_optarg, AP_DUMP_TABLE_BY_NAME)) {
return (-1);
}
break;
default:
ap_display_usage();
return (-1);
}
/* If there are no actions, this means "get/dump all tables" */
if (current_action == 0) {
if (ap_insert_action(NULL, AP_DUMP_ALL_TABLES)) {
return (-1);
}
}
return (0);
}
