1 /* This file is part of the program psim.
3 Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "sim-assert.h"
41 /* manipulate/lookup device names */
43 typedef struct _name_specifier
{
45 /* components in the full length name */
69 /* Given a device specifier, break it up into its main components:
70 path (and if present) property name and property value. */
73 split_device_specifier (struct hw
*current
,
74 const char *device_specifier
,
79 /* expand any leading alias if present */
81 && *device_specifier
!= '\0'
82 && *device_specifier
!= '.'
83 && *device_specifier
!= '/')
85 struct hw
*aliases
= hw_tree_find_device (current
, "/aliases");
88 while (device_specifier
[len
] != '\0'
89 && device_specifier
[len
] != '/'
90 && device_specifier
[len
] != ':'
91 && !isspace (device_specifier
[len
]))
93 alias
[len
] = device_specifier
[len
];
95 if (len
>= sizeof(alias
))
96 hw_abort (NULL
, "split_device_specifier: buffer overflow");
100 && hw_find_property (aliases
, alias
))
102 strcpy (spec
->buf
, hw_find_string_property(aliases
, alias
));
103 strcat (spec
->buf
, device_specifier
+ len
);
107 strcpy (spec
->buf
, device_specifier
);
112 strcpy(spec
->buf
, device_specifier
);
115 /* check no overflow */
116 if (strlen(spec
->buf
) >= sizeof(spec
->buf
))
117 hw_abort (NULL
, "split_device_specifier: buffer overflow\n");
119 /* strip leading spaces */
121 while (*chp
!= '\0' && isspace(*chp
))
126 /* find the path and terminate it with null */
128 while (*chp
!= '\0' && !isspace(*chp
))
137 while (*chp
!= '\0' && isspace(*chp
))
141 /* now go back and chop the property off of the path */
142 if (spec
->value
[0] == '\0')
144 spec
->property
= NULL
; /*not a property*/
147 else if (spec
->value
[0] == '>'
148 || spec
->value
[0] == '<')
150 /* an interrupt spec */
151 spec
->property
= NULL
;
154 chp
= strrchr(spec
->path
, '/');
157 spec
->property
= spec
->path
;
158 spec
->path
= strchr(spec
->property
, '\0');
162 spec
->property
= chp
+1;
166 /* and mark the rest as invalid */
171 spec
->last_name
= NULL
;
172 spec
->last_family
= NULL
;
173 spec
->last_unit
= NULL
;
174 spec
->last_args
= NULL
;
180 /* given a device specifier break it up into its main components -
181 path and property name - assuming that the last `device' is a
185 split_property_specifier (struct hw
*current
,
186 const char *property_specifier
,
187 name_specifier
*spec
)
189 if (split_device_specifier (current
, property_specifier
, spec
))
191 if (spec
->property
== NULL
)
193 /* force the last name to be a property name */
194 char *chp
= strrchr (spec
->path
, '/');
197 spec
->property
= spec
->path
;
198 spec
->path
= strrchr (spec
->property
, '\0');;
203 spec
->property
= chp
+ 1;
213 /* device the next device name and split it up, return 0 when no more
214 names to struct hw */
217 split_device_name (name_specifier
*spec
)
220 /* remember what came before */
221 spec
->last_name
= spec
->name
;
222 spec
->last_family
= spec
->family
;
223 spec
->last_unit
= spec
->unit
;
224 spec
->last_args
= spec
->args
;
226 if (spec
->path
[0] == '\0')
234 /* break the current device spec from the path */
235 spec
->name
= spec
->path
;
236 chp
= strchr (spec
->name
, '/');
238 spec
->path
= strchr (spec
->name
, '\0');
244 /* break out the base */
245 if (spec
->name
[0] == '(')
247 chp
= strchr(spec
->name
, ')');
250 spec
->family
= spec
->name
;
255 spec
->family
= spec
->name
+ 1;
256 spec
->name
= chp
+ 1;
261 spec
->family
= spec
->name
;
263 /* now break out the unit */
264 chp
= strchr(spec
->name
, '@');
276 /* finally any args */
277 chp
= strchr(chp
, ':');
289 /* device the value, returning the next non-space token */
292 split_value (name_specifier
*spec
)
295 if (spec
->value
== NULL
)
297 /* skip leading white space */
298 while (isspace (spec
->value
[0]))
300 if (spec
->value
[0] == '\0')
306 /* find trailing space */
307 while (spec
->value
[0] != '\0' && !isspace (spec
->value
[0]))
309 /* chop this value out */
310 if (spec
->value
[0] != '\0')
312 spec
->value
[0] = '\0';
320 /* traverse the path specified by spec starting at current */
323 split_find_device (struct hw
*current
,
324 name_specifier
*spec
)
326 /* strip off (and process) any leading ., .., ./ and / */
329 if (strncmp (spec
->path
, "/", strlen ("/")) == 0)
332 while (current
!= NULL
&& hw_parent (current
) != NULL
)
333 current
= hw_parent (current
);
334 spec
->path
+= strlen ("/");
336 else if (strncmp (spec
->path
, "./", strlen ("./")) == 0)
340 spec
->path
+= strlen ("./");
342 else if (strncmp (spec
->path
, "../", strlen ("../")) == 0)
345 if (current
!= NULL
&& hw_parent (current
) != NULL
)
346 current
= hw_parent (current
);
347 spec
->path
+= strlen ("../");
349 else if (strcmp (spec
->path
, ".") == 0)
353 spec
->path
+= strlen (".");
355 else if (strcmp (spec
->path
, "..") == 0)
358 if (current
!= NULL
&& hw_parent (current
) != NULL
)
359 current
= hw_parent (current
);
360 spec
->path
+= strlen ("..");
366 /* now go through the path proper */
370 split_device_name (spec
);
374 while (split_device_name (spec
))
377 for (child
= hw_child (current
);
378 child
!= NULL
; child
= hw_sibling (child
))
380 if (strcmp (spec
->name
, hw_name (child
)) == 0)
382 if (spec
->unit
== NULL
)
387 hw_unit_decode (current
, spec
->unit
, &phys
);
388 if (memcmp (&phys
, hw_unit_address (child
),
389 sizeof (hw_unit
)) == 0)
395 return current
; /* search failed */
404 split_fill_path (struct hw
*current
,
405 const char *device_specifier
,
406 name_specifier
*spec
)
409 if (!split_device_specifier (current
, device_specifier
, spec
))
410 hw_abort (current
, "error parsing %s\n", device_specifier
);
412 /* fill our tree with its contents */
413 current
= split_find_device (current
, spec
);
415 /* add any additional devices as needed */
416 if (spec
->name
!= NULL
)
420 if (current
!= NULL
&& !hw_finished_p (current
))
422 current
= hw_create (NULL
,
429 while (split_device_name (spec
));
436 /* <non-white-space> */
439 skip_token(const char *chp
)
441 while (!isspace(*chp
) && *chp
!= '\0')
443 while (isspace(*chp
) && *chp
!= '\0')
449 /* count the number of entries */
452 count_entries (struct hw
*current
,
453 const char *property_name
,
454 const char *property_value
,
457 const char *chp
= property_value
;
462 chp
= skip_token (chp
);
464 if ((nr_entries
% modulo
) != 0)
466 hw_abort (current
, "incorrect number of entries for %s property %s, should be multiple of %d",
467 property_name
, property_value
, modulo
);
469 return nr_entries
/ modulo
;
474 /* parse: <address> ::= <token> ; device dependant */
477 parse_address (struct hw
*current
,
482 if (hw_unit_decode (bus
, chp
, address
) < 0)
483 hw_abort (current
, "invalid unit address in %s", chp
);
484 return skip_token (chp
);
488 /* parse: <size> ::= <number> { "," <number> } ; */
491 parse_size (struct hw
*current
,
498 const char *curr
= chp
;
499 memset(size
, 0, sizeof(*size
));
500 /* parse the numeric list */
501 size
->nr_cells
= hw_unit_nr_size_cells (bus
);
506 size
->cells
[nr
] = strtoul (curr
, &next
, 0);
508 hw_abort (current
, "Problem parsing <size> %s", chp
);
512 if (nr
== size
->nr_cells
)
513 hw_abort (current
, "Too many values in <size> %s", chp
);
516 ASSERT (nr
> 0 && nr
<= size
->nr_cells
);
517 /* right align the numbers */
518 for (i
= 1; i
<= size
->nr_cells
; i
++)
521 size
->cells
[size
->nr_cells
- i
] = size
->cells
[nr
- i
];
523 size
->cells
[size
->nr_cells
- i
] = 0;
525 return skip_token (chp
);
529 /* parse: <reg> ::= { <address> <size> } ; */
532 parse_reg_property (struct hw
*current
,
533 const char *property_name
,
534 const char *property_value
)
538 reg_property_spec
*regs
;
541 /* determine the number of reg entries by counting tokens */
542 nr_regs
= count_entries (current
, property_name
, property_value
, 2);
544 /* create working space */
545 regs
= zalloc (nr_regs
* sizeof (*regs
));
548 chp
= property_value
;
549 for (reg_nr
= 0; reg_nr
< nr_regs
; reg_nr
++)
551 chp
= parse_address (current
, hw_parent(current
),
552 chp
, ®s
[reg_nr
].address
);
553 chp
= parse_size (current
, hw_parent(current
),
554 chp
, ®s
[reg_nr
].size
);
558 hw_add_reg_array_property (current
, property_name
,
565 /* { <child-address> <parent-address> <child-size> }* */
568 parse_ranges_property (struct hw
*current
,
569 const char *property_name
,
570 const char *property_value
)
574 range_property_spec
*ranges
;
577 /* determine the number of ranges specified */
578 nr_ranges
= count_entries (current
, property_name
, property_value
, 3);
580 /* create a property of that size */
581 ranges
= zalloc (nr_ranges
* sizeof(*ranges
));
584 chp
= property_value
;
585 for (range_nr
= 0; range_nr
< nr_ranges
; range_nr
++)
587 chp
= parse_address (current
, current
,
588 chp
, &ranges
[range_nr
].child_address
);
589 chp
= parse_address (current
, hw_parent(current
),
590 chp
, &ranges
[range_nr
].parent_address
);
591 chp
= parse_size (current
, current
,
592 chp
, &ranges
[range_nr
].size
);
596 hw_add_range_array_property (current
, property_name
, ranges
, nr_ranges
);
605 parse_integer_property (struct hw
*current
,
606 const char *property_name
,
607 const char *property_value
)
610 unsigned_cell words
[1024];
611 /* integer or integer array? */
616 words
[nr_entries
] = strtoul (property_value
, &end
, 0);
617 if (property_value
== end
)
620 if (nr_entries
* sizeof (words
[0]) >= sizeof (words
))
621 hw_abort (current
, "buffer overflow");
622 property_value
= end
;
625 hw_abort (current
, "error parsing integer property %s (%s)",
626 property_name
, property_value
);
627 else if (nr_entries
== 1)
628 hw_add_integer_property (current
, property_name
, words
[0]);
632 for (i
= 0; i
< nr_entries
; i
++)
636 /* perhaphs integer array property is better */
637 hw_add_array_property (current
, property_name
, words
,
638 sizeof(words
[0]) * nr_entries
);
646 parse_string_property (struct hw
*current
,
647 const char *property_name
,
648 const char *property_value
)
653 int approx_nr_strings
;
655 /* get an estimate as to the number of strings by counting double
657 approx_nr_strings
= 2;
658 for (chp
= property_value
; *chp
; chp
++)
663 approx_nr_strings
= (approx_nr_strings
) / 2;
665 /* create a string buffer for that many (plus a null) */
666 strings
= (char**) zalloc ((approx_nr_strings
+ 1) * sizeof(char*));
668 /* now find all the strings */
669 chp
= property_value
;
674 /* skip leading space */
675 while (*chp
!= '\0' && isspace (*chp
))
683 /* a quoted string - watch for '\' et.al. */
684 /* estimate the size and allocate space for it */
688 while (chp
[pos
] != '\0' && chp
[pos
] != '"')
690 if (chp
[pos
] == '\\' && chp
[pos
+1] != '\0')
695 strings
[nr_strings
] = zalloc (pos
+ 1);
696 /* copy the string over */
698 while (*chp
!= '\0' && *chp
!= '"')
700 if (*chp
== '\\' && *(chp
+1) != '\0') {
701 strings
[nr_strings
][pos
] = *(chp
+1);
707 strings
[nr_strings
][pos
] = *chp
;
714 strings
[nr_strings
][pos
] = '\0';
718 /* copy over a single unquoted token */
720 while (chp
[len
] != '\0' && !isspace(chp
[len
]))
722 strings
[nr_strings
] = zalloc(len
+ 1);
723 strncpy(strings
[nr_strings
], chp
, len
);
724 strings
[nr_strings
][len
] = '\0';
728 if (nr_strings
> approx_nr_strings
)
729 hw_abort (current
, "String property %s badly formatted",
732 ASSERT (strings
[nr_strings
] == NULL
); /* from zalloc */
736 hw_add_string_property (current
, property_name
, "");
737 else if (nr_strings
== 1)
738 hw_add_string_property (current
, property_name
, strings
[0]);
741 const char **specs
= (const char**) strings
; /* stop a bogus error */
742 hw_add_string_array_property (current
, property_name
,
746 /* flush the created string */
747 while (nr_strings
> 0)
750 zfree (strings
[nr_strings
]);
756 /* <path-to-ihandle-device> */
760 parse_ihandle_property (struct hw
*current
,
761 const char *property
,
764 ihandle_runtime_property_spec ihandle
;
766 /* pass the full path */
767 ihandle
.full_path
= value
;
769 /* save this ready for the ihandle create */
770 hw_add_ihandle_runtime_property (current
, property
,
777 hw_tree_create (SIM_DESC sd
,
780 return hw_create (sd
, NULL
, family
, family
, NULL
, NULL
);
784 hw_tree_delete (struct hw
*me
)
786 /* Need to allow devices to disapear under our feet */
787 while (hw_child (me
) != NULL
)
789 hw_tree_delete (hw_child (me
));
796 hw_tree_parse (struct hw
*current
,
802 current
= hw_tree_vparse (current
, fmt
, ap
);
808 hw_tree_vparse (struct hw
*current
,
812 char device_specifier
[1024];
815 /* format the path */
816 vsprintf (device_specifier
, fmt
, ap
);
817 if (strlen (device_specifier
) >= sizeof (device_specifier
))
818 hw_abort (NULL
, "device_tree_add_deviced: buffer overflow\n");
820 /* construct the tree down to the final struct hw */
821 current
= split_fill_path (current
, device_specifier
, &spec
);
823 /* is there an interrupt spec */
824 if (spec
.property
== NULL
825 && spec
.value
!= NULL
)
827 char *op
= split_value (&spec
);
832 char *my_port_name
= split_value (&spec
);
834 char *dest_port_name
= split_value (&spec
);
836 name_specifier dest_spec
;
837 char *dest_hw_name
= split_value (&spec
);
840 if (!hw_finished_p (current
))
842 my_port
= hw_port_decode (current
, my_port_name
, output_port
);
843 /* find the dest device and port */
844 dest
= split_fill_path (current
, dest_hw_name
, &dest_spec
);
845 if (!hw_finished_p (dest
))
847 dest_port
= hw_port_decode (dest
, dest_port_name
,
849 /* connect the two */
850 hw_port_attach (current
,
858 hw_abort (current
, "unreconised interrupt spec %s\n", spec
.value
);
863 /* is there a property */
864 if (spec
.property
!= NULL
)
866 if (strcmp (spec
.value
, "true") == 0)
867 hw_add_boolean_property (current
, spec
.property
, 1);
868 else if (strcmp (spec
.value
, "false") == 0)
869 hw_add_boolean_property (current
, spec
.property
, 0);
872 const struct hw_property
*property
;
873 switch (spec
.value
[0])
878 parse_ihandle_property (current
, spec
.property
, spec
.value
+ 1);
884 unsigned8 words
[1024];
885 char *curr
= spec
.value
+ 1;
890 words
[nr_words
] = H2BE_1 (strtoul (curr
, &next
, 0));
896 hw_add_array_property (current
, spec
.property
,
897 words
, sizeof(words
[0]) * nr_words
);
902 parse_string_property (current
, spec
.property
, spec
.value
);
908 property
= hw_tree_find_property (current
, spec
.value
);
909 if (property
== NULL
)
910 hw_abort (current
, "property %s not found\n", spec
.value
);
911 hw_add_duplicate_property (current
,
918 if (strcmp (spec
.property
, "reg") == 0
919 || strcmp (spec
.property
, "assigned-addresses") == 0
920 || strcmp (spec
.property
, "alternate-reg") == 0)
922 parse_reg_property (current
, spec
.property
, spec
.value
);
924 else if (strcmp (spec
.property
, "ranges") == 0)
926 parse_ranges_property (current
, spec
.property
, spec
.value
);
928 else if (isdigit(spec
.value
[0])
929 || (spec
.value
[0] == '-' && isdigit(spec
.value
[1]))
930 || (spec
.value
[0] == '+' && isdigit(spec
.value
[1])))
932 parse_integer_property(current
, spec
.property
, spec
.value
);
935 parse_string_property(current
, spec
.property
, spec
.value
);
946 finish_hw_tree (struct hw
*me
,
949 if (!hw_finished_p (me
))
954 hw_tree_finish (struct hw
*root
)
956 hw_tree_traverse (root
, finish_hw_tree
, NULL
, NULL
);
962 hw_tree_traverse (struct hw
*root
,
963 hw_tree_traverse_function
*prefix
,
964 hw_tree_traverse_function
*postfix
,
970 for (child
= hw_child (root
);
972 child
= hw_sibling (child
))
974 hw_tree_traverse (child
, prefix
, postfix
, data
);
977 postfix (root
, data
);
983 hw_tree_print_callback
*print
;
988 print_address (struct hw
*bus
,
993 hw_unit_encode (bus
, phys
, unit
, sizeof(unit
));
994 p
->print (p
->file
, " %s", unit
);
998 print_size (struct hw
*bus
,
1003 for (i
= 0; i
< size
->nr_cells
; i
++)
1004 if (size
->cells
[i
] != 0)
1006 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
, ®
);
1026 print_address (hw_parent (me
), ®
.address
, p
);
1027 print_size (me
, ®
.size
, p
);
1032 print_ranges_property (struct hw
*me
,
1033 const struct hw_property
*property
,
1037 range_property_spec range
;
1039 hw_find_range_array_property (me
, property
->name
, range_nr
, &range
);
1042 print_address (me
, &range
.child_address
, p
);
1043 print_address (hw_parent (me
), &range
.parent_address
, p
);
1044 print_size (me
, &range
.size
, p
);
1049 print_string (struct hw
*me
,
1053 p
->print (p
->file
, " \"");
1054 while (*string
!= '\0') {
1057 p
->print (p
->file
, "\\\"");
1060 p
->print (p
->file
, "\\\\");
1063 p
->print (p
->file
, "%c", *string
);
1068 p
->print (p
->file
, "\"");
1072 print_string_array_property (struct hw
*me
,
1073 const struct hw_property
*property
,
1077 string_property_spec string
;
1079 hw_find_string_array_property (me
, property
->name
, nr
, &string
);
1082 print_string (me
, string
, p
);
1087 print_properties (struct hw
*me
,
1090 const struct hw_property
*property
;
1091 for (property
= hw_find_property (me
, NULL
);
1093 property
= hw_next_property (property
))
1095 if (hw_parent (me
) == NULL
)
1096 p
->print (p
->file
, "/%s", property
->name
);
1098 p
->print (p
->file
, "%s/%s", hw_path (me
), property
->name
);
1099 if (property
->original
!= NULL
)
1101 p
->print (p
->file
, " !");
1102 p
->print (p
->file
, "%s/%s",
1103 hw_path (property
->original
->owner
),
1104 property
->original
->name
);
1108 switch (property
->type
)
1110 case array_property
:
1112 if ((property
->sizeof_array
% sizeof (signed_cell
)) == 0)
1114 unsigned_cell
*w
= (unsigned_cell
*) property
->array
;
1117 cell_nr
< (property
->sizeof_array
/ sizeof (unsigned_cell
));
1120 p
->print (p
->file
, " 0x%lx", (unsigned long) BE2H_cell (w
[cell_nr
]));
1125 unsigned8
*w
= (unsigned8
*)property
->array
;
1126 p
->print (p
->file
, " [");
1127 while ((char*)w
- (char*)property
->array
< property
->sizeof_array
) {
1128 p
->print (p
->file
, " 0x%2x", BE2H_1 (*w
));
1134 case boolean_property
:
1136 int b
= hw_find_boolean_property(me
, property
->name
);
1137 p
->print (p
->file
, " %s", b
? "true" : "false");
1141 case ihandle_property
:
1143 if (property
->array
!= NULL
)
1145 device_instance
*instance
= hw_find_ihandle_property (me
, property
->name
);
1146 p
->print (p
->file
, " *%s", device_instance_path(instance
));
1150 /* not yet initialized, ask the device for the path */
1151 ihandle_runtime_property_spec spec
;
1152 hw_find_ihandle_runtime_property (me
, property
->name
, &spec
);
1153 p
->print (p
->file
, " *%s", spec
.full_path
);
1158 case integer_property
:
1160 unsigned_word w
= hw_find_integer_property (me
, property
->name
);
1161 p
->print (p
->file
, " 0x%lx", (unsigned long)w
);
1164 case range_array_property
:
1166 print_ranges_property (me
, property
, p
);
1169 case reg_array_property
:
1171 print_reg_property (me
, property
, p
);
1174 case string_property
:
1176 const char *s
= hw_find_string_property (me
, property
->name
);
1177 print_string (me
, s
, p
);
1180 case string_array_property
:
1182 print_string_array_property (me
, property
, p
);
1187 p
->print (p
->file
, "\n");
1192 print_interrupts (struct hw
*me
,
1198 struct printer
*p
= data
;
1201 hw_port_encode (me
, my_port
, src
, sizeof(src
), output_port
);
1202 hw_port_encode (dest
, dest_port
, dst
, sizeof(dst
), input_port
);
1211 print_device (struct hw
*me
,
1214 struct printer
*p
= data
;
1215 p
->print (p
->file
, "%s\n", hw_path (me
));
1216 print_properties (me
, p
);
1217 hw_port_traverse (me
, print_interrupts
, data
);
1221 hw_tree_print (struct hw
*root
,
1222 hw_tree_print_callback
*print
,
1228 hw_tree_traverse (root
,
1237 tree_instance(struct hw
*root
,
1238 const char *device_specifier
)
1240 /* find the device node */
1242 name_specifier spec
;
1243 if (!split_device_specifier(root
, device_specifier
, &spec
))
1245 me
= split_find_device(root
, &spec
);
1246 if (spec
.name
!= NULL
)
1248 /* create the instance */
1249 return device_create_instance(me
, device_specifier
, spec
.last_args
);
1254 hw_tree_find_device (struct hw
*root
,
1255 const char *path_to_device
)
1258 name_specifier spec
;
1260 /* parse the path */
1261 split_device_specifier (root
, path_to_device
, &spec
);
1262 if (spec
.value
!= NULL
)
1263 return NULL
; /* something wierd */
1266 node
= split_find_device (root
, &spec
);
1267 if (spec
.name
!= NULL
)
1268 return NULL
; /* not a leaf */
1274 const struct hw_property
*
1275 hw_tree_find_property (struct hw
*root
,
1276 const char *path_to_property
)
1278 name_specifier spec
;
1279 if (!split_property_specifier (root
, path_to_property
, &spec
))
1280 hw_abort (root
, "Invalid property path %s", path_to_property
);
1281 root
= split_find_device (root
, &spec
);
1282 if (spec
.name
!= NULL
)
1283 return NULL
; /* not a leaf */
1284 return hw_find_property (root
, spec
.property
);
1288 hw_tree_find_boolean_property (struct hw
*root
,
1289 const char *path_to_property
)
1291 name_specifier spec
;
1292 if (!split_property_specifier (root
, path_to_property
, &spec
))
1293 hw_abort (root
, "Invalid property path %s", path_to_property
);
1294 root
= split_find_device (root
, &spec
);
1295 if (spec
.name
!= NULL
)
1296 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1297 spec
.name
, path_to_property
);
1298 return hw_find_boolean_property (root
, spec
.property
);
1302 hw_tree_find_integer_property (struct hw
*root
,
1303 const char *path_to_property
)
1305 name_specifier spec
;
1306 if (!split_property_specifier (root
, path_to_property
, &spec
))
1307 hw_abort (root
, "Invalid property path %s", path_to_property
);
1308 root
= split_find_device (root
, &spec
);
1309 if (spec
.name
!= NULL
)
1310 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1311 spec
.name
, path_to_property
);
1312 return hw_find_integer_property (root
, spec
.property
);
1317 hw_tree_find_ihandle_property (struct hw
*root
,
1318 const char *path_to_property
)
1321 name_specifier spec
;
1322 if (!split_property_specifier (root
, path_to_property
, &spec
))
1323 hw_abort (root
, "Invalid property path %s", path_to_property
);
1324 root
= split_find_device (root
, &spec
);
1325 if (spec
.name
!= NULL
)
1326 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1327 spec
.name
, path_to_property
);
1328 return hw_find_ihandle_property (root
, spec
.property
);
1333 hw_tree_find_string_property (struct hw
*root
,
1334 const char *path_to_property
)
1336 name_specifier spec
;
1337 if (!split_property_specifier (root
, path_to_property
, &spec
))
1338 hw_abort (root
, "Invalid property path %s", path_to_property
);
1339 root
= split_find_device (root
, &spec
);
1340 if (spec
.name
!= NULL
)
1341 hw_abort (root
, "device \"%s\" not found (property \"%s\")",
1342 spec
.name
, path_to_property
);
1343 return hw_find_string_property (root
, spec
.property
);