1 /* The common simulator framework for GDB, the GNU Debugger.
3 Copyright 2002-2023 Free Software Foundation, Inc.
5 Contributed by Andrew Cagney and Red Hat.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 /* This must come before any other includes. */
35 #include "sim-assert.h"
37 /* manipulate/lookup device names */
39 typedef struct _name_specifier
42 /* components in the full length name */
66 /* Given a device specifier, break it up into its main components:
67 path (and if present) property name and property value. */
70 split_device_specifier (struct hw
*current
,
71 const char *device_specifier
,
76 /* expand any leading alias if present */
78 && *device_specifier
!= '\0'
79 && *device_specifier
!= '.'
80 && *device_specifier
!= '/')
82 struct hw
*aliases
= hw_tree_find_device (current
, "/aliases");
85 while (device_specifier
[len
] != '\0'
86 && device_specifier
[len
] != '/'
87 && device_specifier
[len
] != ':'
88 && !isspace (device_specifier
[len
]))
90 alias
[len
] = device_specifier
[len
];
92 if (len
>= sizeof (alias
))
93 hw_abort (NULL
, "split_device_specifier: buffer overflow");
97 && hw_find_property (aliases
, alias
))
99 strcpy (spec
->buf
, hw_find_string_property (aliases
, alias
));
100 strcat (spec
->buf
, device_specifier
+ len
);
104 strcpy (spec
->buf
, device_specifier
);
109 strcpy (spec
->buf
, device_specifier
);
112 /* check no overflow */
113 if (strlen (spec
->buf
) >= sizeof (spec
->buf
))
114 hw_abort (NULL
, "split_device_specifier: buffer overflow\n");
116 /* strip leading spaces */
118 while (*chp
!= '\0' && isspace (*chp
))
123 /* find the path and terminate it with null */
125 while (*chp
!= '\0' && !isspace (*chp
))
134 while (*chp
!= '\0' && isspace (*chp
))
138 /* now go back and chop the property off of the path */
139 if (spec
->value
[0] == '\0')
141 spec
->property
= NULL
; /*not a property*/
144 else if (spec
->value
[0] == '>'
145 || spec
->value
[0] == '<')
147 /* an interrupt spec */
148 spec
->property
= NULL
;
152 chp
= strrchr (spec
->path
, '/');
155 spec
->property
= spec
->path
;
156 spec
->path
= strchr (spec
->property
, '\0');
161 spec
->property
= chp
+1;
165 /* and mark the rest as invalid */
170 spec
->last_name
= NULL
;
171 spec
->last_family
= NULL
;
172 spec
->last_unit
= NULL
;
173 spec
->last_args
= NULL
;
179 /* given a device specifier break it up into its main components -
180 path and property name - assuming that the last `device' is a
184 split_property_specifier (struct hw
*current
,
185 const char *property_specifier
,
186 name_specifier
*spec
)
188 if (split_device_specifier (current
, property_specifier
, spec
))
190 if (spec
->property
== NULL
)
192 /* force the last name to be a property name */
193 char *chp
= strrchr (spec
->path
, '/');
196 spec
->property
= spec
->path
;
197 spec
->path
= strrchr (spec
->property
, '\0');;
202 spec
->property
= chp
+ 1;
212 /* device the next device name and split it up, return 0 when no more
213 names to struct hw */
216 split_device_name (name_specifier
*spec
)
219 /* remember what came before */
220 spec
->last_name
= spec
->name
;
221 spec
->last_family
= spec
->family
;
222 spec
->last_unit
= spec
->unit
;
223 spec
->last_args
= spec
->args
;
225 if (spec
->path
[0] == '\0')
233 /* break the current device spec from the path */
234 spec
->name
= spec
->path
;
235 chp
= strchr (spec
->name
, '/');
237 spec
->path
= strchr (spec
->name
, '\0');
243 /* break out the base */
244 if (spec
->name
[0] == '(')
246 chp
= strchr (spec
->name
, ')');
249 spec
->family
= spec
->name
;
254 spec
->family
= spec
->name
+ 1;
255 spec
->name
= chp
+ 1;
260 spec
->family
= spec
->name
;
262 /* now break out the unit */
263 chp
= strchr (spec
->name
, '@');
275 /* finally any args */
276 chp
= strchr (chp
, ':');
288 /* device the value, returning the next non-space token */
291 split_value (name_specifier
*spec
)
294 if (spec
->value
== NULL
)
296 /* skip leading white space */
297 while (isspace (spec
->value
[0]))
299 if (spec
->value
[0] == '\0')
305 /* find trailing space */
306 while (spec
->value
[0] != '\0' && !isspace (spec
->value
[0]))
308 /* chop this value out */
309 if (spec
->value
[0] != '\0')
311 spec
->value
[0] = '\0';
319 /* traverse the path specified by spec starting at current */
322 split_find_device (struct hw
*current
,
323 name_specifier
*spec
)
325 /* strip off (and process) any leading ., .., ./ and / */
328 if (strncmp (spec
->path
, "/", strlen ("/")) == 0)
331 while (current
!= NULL
&& hw_parent (current
) != NULL
)
332 current
= hw_parent (current
);
333 spec
->path
+= strlen ("/");
335 else if (strncmp (spec
->path
, "./", strlen ("./")) == 0)
338 spec
->path
+= strlen ("./");
340 else if (strncmp (spec
->path
, "../", strlen ("../")) == 0)
343 if (current
!= NULL
&& hw_parent (current
) != NULL
)
344 current
= hw_parent (current
);
345 spec
->path
+= strlen ("../");
347 else if (strcmp (spec
->path
, ".") == 0)
350 spec
->path
+= strlen (".");
352 else if (strcmp (spec
->path
, "..") == 0)
355 if (current
!= NULL
&& hw_parent (current
) != NULL
)
356 current
= hw_parent (current
);
357 spec
->path
+= strlen ("..");
363 /* now go through the path proper */
367 split_device_name (spec
);
371 while (split_device_name (spec
))
374 for (child
= hw_child (current
);
375 child
!= NULL
; child
= hw_sibling (child
))
377 if (strcmp (spec
->name
, hw_name (child
)) == 0)
379 if (spec
->unit
== NULL
)
384 hw_unit_decode (current
, spec
->unit
, &phys
);
385 if (memcmp (&phys
, hw_unit_address (child
),
386 sizeof (hw_unit
)) == 0)
392 return current
; /* search failed */
401 split_fill_path (struct hw
*current
,
402 const char *device_specifier
,
403 name_specifier
*spec
)
406 if (!split_device_specifier (current
, device_specifier
, spec
))
407 hw_abort (current
, "error parsing %s\n", device_specifier
);
409 /* fill our tree with its contents */
410 current
= split_find_device (current
, spec
);
412 /* add any additional devices as needed */
413 if (spec
->name
!= NULL
)
417 if (current
!= NULL
&& !hw_finished_p (current
))
419 current
= hw_create (NULL
,
426 while (split_device_name (spec
));
433 /* <non-white-space> */
436 skip_token (const char *chp
)
438 while (!isspace (*chp
) && *chp
!= '\0')
440 while (isspace (*chp
) && *chp
!= '\0')
446 /* count the number of entries */
449 count_entries (struct hw
*current
,
450 const char *property_name
,
451 const char *property_value
,
454 const char *chp
= property_value
;
459 chp
= skip_token (chp
);
461 if ((nr_entries
% modulo
) != 0)
463 hw_abort (current
, "incorrect number of entries for %s property %s, should be multiple of %d",
464 property_name
, property_value
, modulo
);
466 return nr_entries
/ modulo
;
471 /* parse: <address> ::= <token> ; device dependant */
474 parse_address (struct hw
*current
,
479 if (hw_unit_decode (bus
, chp
, address
) < 0)
480 hw_abort (current
, "invalid unit address in %s", chp
);
481 return skip_token (chp
);
485 /* parse: <size> ::= <number> { "," <number> } ; */
488 parse_size (struct hw
*current
,
495 const char *curr
= chp
;
496 memset (size
, 0, sizeof (*size
));
497 /* parse the numeric list */
498 size
->nr_cells
= hw_unit_nr_size_cells (bus
);
503 size
->cells
[nr
] = strtoul (curr
, &next
, 0);
505 hw_abort (current
, "Problem parsing <size> %s", chp
);
509 if (nr
== size
->nr_cells
)
510 hw_abort (current
, "Too many values in <size> %s", chp
);
513 ASSERT (nr
> 0 && nr
<= size
->nr_cells
);
514 /* right align the numbers */
515 for (i
= 1; i
<= size
->nr_cells
; i
++)
518 size
->cells
[size
->nr_cells
- i
] = size
->cells
[nr
- i
];
520 size
->cells
[size
->nr_cells
- i
] = 0;
522 return skip_token (chp
);
526 /* parse: <reg> ::= { <address> <size> } ; */
529 parse_reg_property (struct hw
*current
,
530 const char *property_name
,
531 const char *property_value
)
535 reg_property_spec
*regs
;
538 /* determine the number of reg entries by counting tokens */
539 nr_regs
= count_entries (current
, property_name
, property_value
, 2);
541 /* create working space */
542 regs
= zalloc (nr_regs
* sizeof (*regs
));
545 chp
= property_value
;
546 for (reg_nr
= 0; reg_nr
< nr_regs
; reg_nr
++)
548 chp
= parse_address (current
, hw_parent (current
),
549 chp
, ®s
[reg_nr
].address
);
550 chp
= parse_size (current
, hw_parent (current
),
551 chp
, ®s
[reg_nr
].size
);
555 hw_add_reg_array_property (current
, property_name
,
562 /* { <child-address> <parent-address> <child-size> }* */
565 parse_ranges_property (struct hw
*current
,
566 const char *property_name
,
567 const char *property_value
)
571 range_property_spec
*ranges
;
574 /* determine the number of ranges specified */
575 nr_ranges
= count_entries (current
, property_name
, property_value
, 3);
577 /* create a property of that size */
578 ranges
= zalloc (nr_ranges
* sizeof (*ranges
));
581 chp
= property_value
;
582 for (range_nr
= 0; range_nr
< nr_ranges
; range_nr
++)
584 chp
= parse_address (current
, current
,
585 chp
, &ranges
[range_nr
].child_address
);
586 chp
= parse_address (current
, hw_parent (current
),
587 chp
, &ranges
[range_nr
].parent_address
);
588 chp
= parse_size (current
, current
,
589 chp
, &ranges
[range_nr
].size
);
593 hw_add_range_array_property (current
, property_name
, ranges
, nr_ranges
);
602 parse_integer_property (struct hw
*current
,
603 const char *property_name
,
604 const char *property_value
)
607 unsigned_cell words
[1024];
608 /* integer or integer array? */
613 words
[nr_entries
] = strtoul (property_value
, &end
, 0);
614 if (property_value
== end
)
617 if (nr_entries
* sizeof (words
[0]) >= sizeof (words
))
618 hw_abort (current
, "buffer overflow");
619 property_value
= end
;
622 hw_abort (current
, "error parsing integer property %s (%s)",
623 property_name
, property_value
);
624 else if (nr_entries
== 1)
625 hw_add_integer_property (current
, property_name
, words
[0]);
629 for (i
= 0; i
< nr_entries
; i
++)
633 /* perhaps integer array property is better */
634 hw_add_array_property (current
, property_name
, words
,
635 sizeof (words
[0]) * nr_entries
);
643 parse_string_property (struct hw
*current
,
644 const char *property_name
,
645 const char *property_value
)
650 int approx_nr_strings
;
652 /* get an estimate as to the number of strings by counting double
654 approx_nr_strings
= 2;
655 for (chp
= property_value
; *chp
; chp
++)
660 approx_nr_strings
= (approx_nr_strings
) / 2;
662 /* create a string buffer for that many (plus a null) */
663 strings
= (char**) zalloc ((approx_nr_strings
+ 1) * sizeof (char*));
665 /* now find all the strings */
666 chp
= property_value
;
671 /* skip leading space */
672 while (*chp
!= '\0' && isspace (*chp
))
680 /* a quoted string - watch for '\' et al. */
681 /* estimate the size and allocate space for it */
685 while (chp
[pos
] != '\0' && chp
[pos
] != '"')
687 if (chp
[pos
] == '\\' && chp
[pos
+1] != '\0')
692 strings
[nr_strings
] = zalloc (pos
+ 1);
693 /* copy the string over */
695 while (*chp
!= '\0' && *chp
!= '"')
697 if (*chp
== '\\' && *(chp
+1) != '\0')
699 strings
[nr_strings
][pos
] = *(chp
+1);
705 strings
[nr_strings
][pos
] = *chp
;
712 strings
[nr_strings
][pos
] = '\0';
716 /* copy over a single unquoted token */
718 while (chp
[len
] != '\0' && !isspace (chp
[len
]))
720 strings
[nr_strings
] = zalloc (len
+ 1);
721 strncpy (strings
[nr_strings
], chp
, len
);
722 strings
[nr_strings
][len
] = '\0';
726 if (nr_strings
> approx_nr_strings
)
727 hw_abort (current
, "String property %s badly formatted",
730 ASSERT (strings
[nr_strings
] == NULL
); /* from zalloc */
734 hw_add_string_property (current
, property_name
, "");
735 else if (nr_strings
== 1)
736 hw_add_string_property (current
, property_name
, strings
[0]);
739 const char **specs
= (const char**) strings
; /* stop a bogus error */
740 hw_add_string_array_property (current
, property_name
,
744 /* flush the created string */
745 while (nr_strings
> 0)
748 free (strings
[nr_strings
]);
754 /* <path-to-ihandle-device> */
758 parse_ihandle_property (struct hw
*current
,
759 const char *property
,
762 ihandle_runtime_property_spec ihandle
;
764 /* pass the full path */
765 ihandle
.full_path
= value
;
767 /* save this ready for the ihandle create */
768 hw_add_ihandle_runtime_property (current
, property
,
775 hw_tree_create (SIM_DESC sd
,
778 return hw_create (sd
, NULL
, family
, family
, NULL
, NULL
);
782 hw_tree_delete (struct hw
*me
)
784 /* Need to allow devices to disapear under our feet */
785 while (hw_child (me
) != NULL
)
787 hw_tree_delete (hw_child (me
));
794 hw_tree_parse (struct hw
*current
,
800 current
= hw_tree_vparse (current
, fmt
, ap
);
806 hw_tree_vparse (struct hw
*current
,
810 char device_specifier
[1024];
813 /* format the path */
814 vsprintf (device_specifier
, fmt
, ap
);
815 if (strlen (device_specifier
) >= sizeof (device_specifier
))
816 hw_abort (NULL
, "device_tree_add_deviced: buffer overflow\n");
818 /* construct the tree down to the final struct hw */
819 current
= split_fill_path (current
, device_specifier
, &spec
);
821 /* is there an interrupt spec */
822 if (spec
.property
== NULL
823 && spec
.value
!= NULL
)
825 char *op
= split_value (&spec
);
830 char *my_port_name
= split_value (&spec
);
832 char *dest_port_name
= split_value (&spec
);
834 name_specifier dest_spec
;
835 char *dest_hw_name
= split_value (&spec
);
838 if (!hw_finished_p (current
))
840 my_port
= hw_port_decode (current
, my_port_name
, output_port
);
841 /* find the dest device and port */
842 dest
= split_fill_path (current
, dest_hw_name
, &dest_spec
);
843 if (!hw_finished_p (dest
))
845 dest_port
= hw_port_decode (dest
, dest_port_name
,
847 /* connect the two */
848 hw_port_attach (current
,
856 hw_abort (current
, "unreconised interrupt spec %s\n", spec
.value
);
861 /* is there a property */
862 if (spec
.property
!= NULL
)
864 if (strcmp (spec
.value
, "true") == 0)
865 hw_add_boolean_property (current
, spec
.property
, 1);
866 else if (strcmp (spec
.value
, "false") == 0)
867 hw_add_boolean_property (current
, spec
.property
, 0);
870 const struct hw_property
*property
;
871 switch (spec
.value
[0])
876 parse_ihandle_property (current
, spec
.property
, spec
.value
+ 1);
883 char *curr
= spec
.value
+ 1;
888 words
[nr_words
] = H2BE_1 (strtoul (curr
, &next
, 0));
894 hw_add_array_property (current
, spec
.property
,
895 words
, sizeof (words
[0]) * nr_words
);
900 parse_string_property (current
, spec
.property
, spec
.value
);
906 property
= hw_tree_find_property (current
, spec
.value
);
907 if (property
== NULL
)
908 hw_abort (current
, "property %s not found\n", spec
.value
);
909 hw_add_duplicate_property (current
,
916 if (strcmp (spec
.property
, "reg") == 0
917 || strcmp (spec
.property
, "assigned-addresses") == 0
918 || strcmp (spec
.property
, "alternate-reg") == 0)
920 parse_reg_property (current
, spec
.property
, spec
.value
);
922 else if (strcmp (spec
.property
, "ranges") == 0)
924 parse_ranges_property (current
, spec
.property
, spec
.value
);
926 else if (isdigit (spec
.value
[0])
927 || (spec
.value
[0] == '-' && isdigit (spec
.value
[1]))
928 || (spec
.value
[0] == '+' && isdigit (spec
.value
[1])))
930 parse_integer_property (current
, spec
.property
, spec
.value
);
933 parse_string_property (current
, spec
.property
, spec
.value
);
944 finish_hw_tree (struct hw
*me
,
947 if (!hw_finished_p (me
))
952 hw_tree_finish (struct hw
*root
)
954 hw_tree_traverse (root
, finish_hw_tree
, NULL
, NULL
);
960 hw_tree_traverse (struct hw
*root
,
961 hw_tree_traverse_function
*prefix
,
962 hw_tree_traverse_function
*postfix
,
968 for (child
= hw_child (root
);
970 child
= hw_sibling (child
))
972 hw_tree_traverse (child
, prefix
, postfix
, data
);
975 postfix (root
, data
);
982 hw_tree_print_callback
*print
;
987 print_address (struct hw
*bus
,
992 hw_unit_encode (bus
, phys
, unit
, sizeof (unit
));
993 p
->print (p
->file
, " %s", unit
);
997 print_size (struct hw
*bus
,
1002 for (i
= 0; i
< size
->nr_cells
; i
++)
1003 if (size
->cells
[i
] != 0)
1005 if (i
< size
->nr_cells
)
1007 p
->print (p
->file
, " 0x%lx", (unsigned long) size
->cells
[i
]);
1009 for (; i
< size
->nr_cells
; i
++)
1010 p
->print (p
->file
, ",0x%lx", (unsigned long) size
->cells
[i
]);
1013 p
->print (p
->file
, " 0");
1017 print_reg_property (struct hw
*me
,
1018 const struct hw_property
*property
,
1022 reg_property_spec reg
;
1024 hw_find_reg_array_property (me
, property
->name
, reg_nr
, ®
);
1027 print_address (hw_parent (me
), ®
.address
, p
);
1028 print_size (me
, ®
.size
, p
);
1033 print_ranges_property (struct hw
*me
,
1034 const struct hw_property
*property
,
1038 range_property_spec range
;
1040 hw_find_range_array_property (me
, property
->name
, range_nr
, &range
);
1043 print_address (me
, &range
.child_address
, p
);
1044 print_address (hw_parent (me
), &range
.parent_address
, p
);
1045 print_size (me
, &range
.size
, p
);
1050 print_string (struct hw
*me
,
1054 p
->print (p
->file
, " \"");
1055 while (*string
!= '\0')
1060 p
->print (p
->file
, "\\\"");
1063 p
->print (p
->file
, "\\\\");
1066 p
->print (p
->file
, "%c", *string
);
1071 p
->print (p
->file
, "\"");
1075 print_string_array_property (struct hw
*me
,
1076 const struct hw_property
*property
,
1080 string_property_spec string
;
1082 hw_find_string_array_property (me
, property
->name
, nr
, &string
);
1085 print_string (me
, string
, p
);
1090 print_properties (struct hw
*me
,
1093 const struct hw_property
*property
;
1094 for (property
= hw_find_property (me
, NULL
);
1096 property
= hw_next_property (property
))
1098 if (hw_parent (me
) == NULL
)
1099 p
->print (p
->file
, "/%s", property
->name
);
1101 p
->print (p
->file
, "%s/%s", hw_path (me
), property
->name
);
1102 if (property
->original
!= NULL
)
1104 p
->print (p
->file
, " !");
1105 p
->print (p
->file
, "%s/%s",
1106 hw_path (property
->original
->owner
),
1107 property
->original
->name
);
1111 switch (property
->type
)
1113 case array_property
:
1115 if ((property
->sizeof_array
% sizeof (signed_cell
)) == 0)
1117 unsigned_cell
*w
= (unsigned_cell
*) property
->array
;
1120 cell_nr
< (property
->sizeof_array
/ sizeof (unsigned_cell
));
1123 p
->print (p
->file
, " 0x%lx", (unsigned long) BE2H_cell (w
[cell_nr
]));
1128 uint8_t *w
= (uint8_t*)property
->array
;
1129 p
->print (p
->file
, " [");
1130 while ((char*)w
- (char*)property
->array
< property
->sizeof_array
)
1132 p
->print (p
->file
, " 0x%2x", BE2H_1 (*w
));
1138 case boolean_property
:
1140 int b
= hw_find_boolean_property (me
, property
->name
);
1141 p
->print (p
->file
, " %s", b
? "true" : "false");
1145 case ihandle_property
:
1147 if (property
->array
!= NULL
)
1149 device_instance
*instance
= hw_find_ihandle_property (me
, property
->name
);
1150 p
->print (p
->file
, " *%s", device_instance_path (instance
));
1154 /* not yet initialized, ask the device for the path */
1155 ihandle_runtime_property_spec spec
;
1156 hw_find_ihandle_runtime_property (me
, property
->name
, &spec
);
1157 p
->print (p
->file
, " *%s", spec
.full_path
);
1162 case integer_property
:
1164 unsigned_word w
= hw_find_integer_property (me
, property
->name
);
1165 p
->print (p
->file
, " 0x%lx", (unsigned long)w
);
1168 case range_array_property
:
1170 print_ranges_property (me
, property
, p
);
1173 case reg_array_property
:
1175 print_reg_property (me
, property
, p
);
1178 case string_property
:
1180 const char *s
= hw_find_string_property (me
, property
->name
);
1181 print_string (me
, s
, p
);
1184 case string_array_property
:
1186 print_string_array_property (me
, property
, p
);
1191 p
->print (p
->file
, "\n");
1196 print_interrupts (struct hw
*me
,
1202 struct printer
*p
= data
;
1205 hw_port_encode (me
, my_port
, src
, sizeof (src
), output_port
);
1206 hw_port_encode (dest
, dest_port
, dst
, sizeof (dst
), input_port
);
1215 print_device (struct hw
*me
,
1218 struct printer
*p
= data
;
1219 p
->print (p
->file
, "%s\n", hw_path (me
));
1220 print_properties (me
, p
);
1221 hw_port_traverse (me
, print_interrupts
, data
);
1225 hw_tree_print (struct hw
*root
,
1226 hw_tree_print_callback
*print
,
1232 hw_tree_traverse (root
,
1241 tree_instance (struct hw
*root
,
1242 const char *device_specifier
)
1244 /* find the device node */
1246 name_specifier spec
;
1247 if (!split_device_specifier (root
, device_specifier
, &spec
))
1249 me
= split_find_device (root
, &spec
);
1250 if (spec
.name
!= NULL
)
1252 /* create the instance */
1253 return device_create_instance (me
, device_specifier
, spec
.last_args
);
1258 hw_tree_find_device (struct hw
*root
,
1259 const char *path_to_device
)
1262 name_specifier spec
;
1264 /* parse the path */
1265 split_device_specifier (root
, path_to_device
, &spec
);
1266 if (spec
.value
!= NULL
)
1267 return NULL
; /* something wierd */
1270 node
= split_find_device (root
, &spec
);
1271 if (spec
.name
!= NULL
)
1272 return NULL
; /* not a leaf */
1278 const struct hw_property
*
1279 hw_tree_find_property (struct hw
*root
,
1280 const char *path_to_property
)
1282 name_specifier spec
;
1283 if (!split_property_specifier (root
, path_to_property
, &spec
))
1284 hw_abort (root
, "Invalid property path %s", path_to_property
);
1285 root
= split_find_device (root
, &spec
);
1286 if (spec
.name
!= NULL
)
1287 return NULL
; /* not a leaf */
1288 return hw_find_property (root
, spec
.property
);
1292 hw_tree_find_boolean_property (struct hw
*root
,
1293 const char *path_to_property
)
1295 name_specifier spec
;
1296 if (!split_property_specifier (root
, path_to_property
, &spec
))
1297 hw_abort (root
, "Invalid property path %s", path_to_property
);
1298 root
= split_find_device (root
, &spec
);
1299 if (spec
.name
!= NULL
)
1300 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1301 spec
.name
, path_to_property
);
1302 return hw_find_boolean_property (root
, spec
.property
);
1306 hw_tree_find_integer_property (struct hw
*root
,
1307 const char *path_to_property
)
1309 name_specifier spec
;
1310 if (!split_property_specifier (root
, path_to_property
, &spec
))
1311 hw_abort (root
, "Invalid property path %s", path_to_property
);
1312 root
= split_find_device (root
, &spec
);
1313 if (spec
.name
!= NULL
)
1314 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1315 spec
.name
, path_to_property
);
1316 return hw_find_integer_property (root
, spec
.property
);
1321 hw_tree_find_ihandle_property (struct hw
*root
,
1322 const char *path_to_property
)
1325 name_specifier spec
;
1326 if (!split_property_specifier (root
, path_to_property
, &spec
))
1327 hw_abort (root
, "Invalid property path %s", path_to_property
);
1328 root
= split_find_device (root
, &spec
);
1329 if (spec
.name
!= NULL
)
1330 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1331 spec
.name
, path_to_property
);
1332 return hw_find_ihandle_property (root
, spec
.property
);
1337 hw_tree_find_string_property (struct hw
*root
,
1338 const char *path_to_property
)
1340 name_specifier spec
;
1341 if (!split_property_specifier (root
, path_to_property
, &spec
))
1342 hw_abort (root
, "Invalid property path %s", path_to_property
);
1343 root
= split_find_device (root
, &spec
);
1344 if (spec
.name
!= NULL
)
1345 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1346 spec
.name
, path_to_property
);
1347 return hw_find_string_property (root
, spec
.property
);