1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /*******************************************************************************
4 * Module Name: dbconvert - debugger miscellaneous conversion routines
6 ******************************************************************************/
12 #define _COMPONENT ACPI_CA_DEBUGGER
13 ACPI_MODULE_NAME("dbconvert")
15 #define DB_DEFAULT_PKG_ELEMENTS 33
16 /*******************************************************************************
18 * FUNCTION: acpi_db_hex_char_to_value
20 * PARAMETERS: hex_char - Ascii Hex digit, 0-9|a-f|A-F
21 * return_value - Where the converted value is returned
25 * DESCRIPTION: Convert a single hex character to a 4-bit number (0-16).
27 ******************************************************************************/
28 acpi_status
acpi_db_hex_char_to_value(int hex_char
, u8
*return_value
)
32 /* Digit must be ascii [0-9a-fA-F] */
34 if (!isxdigit(hex_char
)) {
35 return (AE_BAD_HEX_CONSTANT
);
38 if (hex_char
<= 0x39) {
39 value
= (u8
)(hex_char
- 0x30);
41 value
= (u8
)(toupper(hex_char
) - 0x37);
44 *return_value
= value
;
48 /*******************************************************************************
50 * FUNCTION: acpi_db_hex_byte_to_binary
52 * PARAMETERS: hex_byte - Double hex digit (0x00 - 0xFF) in format:
53 * hi_byte then lo_byte.
54 * return_value - Where the converted value is returned
58 * DESCRIPTION: Convert two hex characters to an 8 bit number (0 - 255).
60 ******************************************************************************/
62 static acpi_status
acpi_db_hex_byte_to_binary(char *hex_byte
, u8
*return_value
)
70 status
= acpi_db_hex_char_to_value(hex_byte
[0], &local0
);
71 if (ACPI_FAILURE(status
)) {
77 status
= acpi_db_hex_char_to_value(hex_byte
[1], &local1
);
78 if (ACPI_FAILURE(status
)) {
82 *return_value
= (u8
)((local0
<< 4) | local1
);
86 /*******************************************************************************
88 * FUNCTION: acpi_db_convert_to_buffer
90 * PARAMETERS: string - Input string to be converted
91 * object - Where the buffer object is returned
95 * DESCRIPTION: Convert a string to a buffer object. String is treated a list
96 * of buffer elements, each separated by a space or comma.
98 ******************************************************************************/
101 acpi_db_convert_to_buffer(char *string
, union acpi_object
*object
)
109 /* Skip all preceding white space */
111 acpi_ut_remove_whitespace(&string
);
113 /* Generate the final buffer length */
115 for (i
= 0, length
= 0; string
[i
];) {
119 while (string
[i
] && ((string
[i
] == ',') || (string
[i
] == ' '))) {
124 buffer
= ACPI_ALLOCATE(length
);
126 return (AE_NO_MEMORY
);
129 /* Convert the command line bytes to the buffer */
131 for (i
= 0, j
= 0; string
[i
];) {
132 status
= acpi_db_hex_byte_to_binary(&string
[i
], &buffer
[j
]);
133 if (ACPI_FAILURE(status
)) {
140 while (string
[i
] && ((string
[i
] == ',') || (string
[i
] == ' '))) {
145 object
->type
= ACPI_TYPE_BUFFER
;
146 object
->buffer
.pointer
= buffer
;
147 object
->buffer
.length
= length
;
151 /*******************************************************************************
153 * FUNCTION: acpi_db_convert_to_package
155 * PARAMETERS: string - Input string to be converted
156 * object - Where the package object is returned
160 * DESCRIPTION: Convert a string to a package object. Handles nested packages
161 * via recursion with acpi_db_convert_to_object.
163 ******************************************************************************/
165 acpi_status
acpi_db_convert_to_package(char *string
, union acpi_object
*object
)
170 acpi_object_type type
;
171 union acpi_object
*elements
;
175 ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS
*
176 sizeof(union acpi_object
));
179 for (i
= 0; i
< (DB_DEFAULT_PKG_ELEMENTS
- 1); i
++) {
180 this = acpi_db_get_next_token(this, &next
, &type
);
185 /* Recursive call to convert each package element */
187 status
= acpi_db_convert_to_object(type
, this, &elements
[i
]);
188 if (ACPI_FAILURE(status
)) {
189 acpi_db_delete_objects(i
+ 1, elements
);
197 object
->type
= ACPI_TYPE_PACKAGE
;
198 object
->package
.count
= i
;
199 object
->package
.elements
= elements
;
203 /*******************************************************************************
205 * FUNCTION: acpi_db_convert_to_object
207 * PARAMETERS: type - Object type as determined by parser
208 * string - Input string to be converted
209 * object - Where the new object is returned
213 * DESCRIPTION: Convert a typed and tokenized string to a union acpi_object. Typing:
214 * 1) String objects were surrounded by quotes.
215 * 2) Buffer objects were surrounded by parentheses.
216 * 3) Package objects were surrounded by brackets "[]".
217 * 4) All standalone tokens are treated as integers.
219 ******************************************************************************/
222 acpi_db_convert_to_object(acpi_object_type type
,
223 char *string
, union acpi_object
*object
)
225 acpi_status status
= AE_OK
;
228 case ACPI_TYPE_STRING
:
230 object
->type
= ACPI_TYPE_STRING
;
231 object
->string
.pointer
= string
;
232 object
->string
.length
= (u32
)strlen(string
);
235 case ACPI_TYPE_BUFFER
:
237 status
= acpi_db_convert_to_buffer(string
, object
);
240 case ACPI_TYPE_PACKAGE
:
242 status
= acpi_db_convert_to_package(string
, object
);
247 object
->type
= ACPI_TYPE_INTEGER
;
248 status
= acpi_ut_strtoul64(string
, &object
->integer
.value
);
255 /*******************************************************************************
257 * FUNCTION: acpi_db_encode_pld_buffer
259 * PARAMETERS: pld_info - _PLD buffer struct (Using local struct)
261 * RETURN: Encode _PLD buffer suitable for return value from _PLD
263 * DESCRIPTION: Bit-packs a _PLD buffer struct. Used to test the _PLD macros
265 ******************************************************************************/
267 u8
*acpi_db_encode_pld_buffer(struct acpi_pld_info
*pld_info
)
272 buffer
= ACPI_ALLOCATE_ZEROED(ACPI_PLD_BUFFER_SIZE
);
280 ACPI_PLD_SET_REVISION(&dword
, pld_info
->revision
);
281 ACPI_PLD_SET_IGNORE_COLOR(&dword
, pld_info
->ignore_color
);
282 ACPI_PLD_SET_RED(&dword
, pld_info
->red
);
283 ACPI_PLD_SET_GREEN(&dword
, pld_info
->green
);
284 ACPI_PLD_SET_BLUE(&dword
, pld_info
->blue
);
285 ACPI_MOVE_32_TO_32(&buffer
[0], &dword
);
290 ACPI_PLD_SET_WIDTH(&dword
, pld_info
->width
);
291 ACPI_PLD_SET_HEIGHT(&dword
, pld_info
->height
);
292 ACPI_MOVE_32_TO_32(&buffer
[1], &dword
);
297 ACPI_PLD_SET_USER_VISIBLE(&dword
, pld_info
->user_visible
);
298 ACPI_PLD_SET_DOCK(&dword
, pld_info
->dock
);
299 ACPI_PLD_SET_LID(&dword
, pld_info
->lid
);
300 ACPI_PLD_SET_PANEL(&dword
, pld_info
->panel
);
301 ACPI_PLD_SET_VERTICAL(&dword
, pld_info
->vertical_position
);
302 ACPI_PLD_SET_HORIZONTAL(&dword
, pld_info
->horizontal_position
);
303 ACPI_PLD_SET_SHAPE(&dword
, pld_info
->shape
);
304 ACPI_PLD_SET_ORIENTATION(&dword
, pld_info
->group_orientation
);
305 ACPI_PLD_SET_TOKEN(&dword
, pld_info
->group_token
);
306 ACPI_PLD_SET_POSITION(&dword
, pld_info
->group_position
);
307 ACPI_PLD_SET_BAY(&dword
, pld_info
->bay
);
308 ACPI_MOVE_32_TO_32(&buffer
[2], &dword
);
313 ACPI_PLD_SET_EJECTABLE(&dword
, pld_info
->ejectable
);
314 ACPI_PLD_SET_OSPM_EJECT(&dword
, pld_info
->ospm_eject_required
);
315 ACPI_PLD_SET_CABINET(&dword
, pld_info
->cabinet_number
);
316 ACPI_PLD_SET_CARD_CAGE(&dword
, pld_info
->card_cage_number
);
317 ACPI_PLD_SET_REFERENCE(&dword
, pld_info
->reference
);
318 ACPI_PLD_SET_ROTATION(&dword
, pld_info
->rotation
);
319 ACPI_PLD_SET_ORDER(&dword
, pld_info
->order
);
320 ACPI_MOVE_32_TO_32(&buffer
[3], &dword
);
322 if (pld_info
->revision
>= 2) {
327 ACPI_PLD_SET_VERT_OFFSET(&dword
, pld_info
->vertical_offset
);
328 ACPI_PLD_SET_HORIZ_OFFSET(&dword
, pld_info
->horizontal_offset
);
329 ACPI_MOVE_32_TO_32(&buffer
[4], &dword
);
332 return (ACPI_CAST_PTR(u8
, buffer
));
335 /*******************************************************************************
337 * FUNCTION: acpi_db_dump_pld_buffer
339 * PARAMETERS: obj_desc - Object returned from _PLD method
343 * DESCRIPTION: Dumps formatted contents of a _PLD return buffer.
345 ******************************************************************************/
347 #define ACPI_PLD_OUTPUT "%20s : %-6X\n"
349 void acpi_db_dump_pld_buffer(union acpi_object
*obj_desc
)
351 union acpi_object
*buffer_desc
;
352 struct acpi_pld_info
*pld_info
;
356 /* Object must be of type Package with at least one Buffer element */
358 if (obj_desc
->type
!= ACPI_TYPE_PACKAGE
) {
362 buffer_desc
= &obj_desc
->package
.elements
[0];
363 if (buffer_desc
->type
!= ACPI_TYPE_BUFFER
) {
367 /* Convert _PLD buffer to local _PLD struct */
369 status
= acpi_decode_pld_buffer(buffer_desc
->buffer
.pointer
,
370 buffer_desc
->buffer
.length
, &pld_info
);
371 if (ACPI_FAILURE(status
)) {
375 /* Encode local _PLD struct back to a _PLD buffer */
377 new_buffer
= acpi_db_encode_pld_buffer(pld_info
);
382 /* The two bit-packed buffers should match */
384 if (memcmp(new_buffer
, buffer_desc
->buffer
.pointer
,
385 buffer_desc
->buffer
.length
)) {
387 ("Converted _PLD buffer does not compare. New:\n");
389 acpi_ut_dump_buffer(new_buffer
,
390 buffer_desc
->buffer
.length
, DB_BYTE_DISPLAY
,
394 /* First 32-bit dword */
396 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Revision", pld_info
->revision
);
397 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_IgnoreColor",
398 pld_info
->ignore_color
);
399 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Red", pld_info
->red
);
400 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Green", pld_info
->green
);
401 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Blue", pld_info
->blue
);
403 /* Second 32-bit dword */
405 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Width", pld_info
->width
);
406 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Height", pld_info
->height
);
408 /* Third 32-bit dword */
410 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_UserVisible",
411 pld_info
->user_visible
);
412 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Dock", pld_info
->dock
);
413 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Lid", pld_info
->lid
);
414 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Panel", pld_info
->panel
);
415 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_VerticalPosition",
416 pld_info
->vertical_position
);
417 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_HorizontalPosition",
418 pld_info
->horizontal_position
);
419 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Shape", pld_info
->shape
);
420 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_GroupOrientation",
421 pld_info
->group_orientation
);
422 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_GroupToken",
423 pld_info
->group_token
);
424 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_GroupPosition",
425 pld_info
->group_position
);
426 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Bay", pld_info
->bay
);
428 /* Fourth 32-bit dword */
430 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Ejectable", pld_info
->ejectable
);
431 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_EjectRequired",
432 pld_info
->ospm_eject_required
);
433 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_CabinetNumber",
434 pld_info
->cabinet_number
);
435 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_CardCageNumber",
436 pld_info
->card_cage_number
);
437 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Reference", pld_info
->reference
);
438 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Rotation", pld_info
->rotation
);
439 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_Order", pld_info
->order
);
441 /* Fifth 32-bit dword */
443 if (buffer_desc
->buffer
.length
> 16) {
444 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_VerticalOffset",
445 pld_info
->vertical_offset
);
446 acpi_os_printf(ACPI_PLD_OUTPUT
, "PLD_HorizontalOffset",
447 pld_info
->horizontal_offset
);
450 ACPI_FREE(new_buffer
);