size_cells = node_size_cells(node->parent);
entrylen = (addr_cells + size_cells) * sizeof(cell_t);
- if ((prop->val.len % entrylen) != 0)
+ if (!entrylen || (prop->val.len % entrylen) != 0)
FAIL(c, "\"reg\" property in %s has invalid length (%d bytes) "
"(#address-cells == %d, #size-cells == %d)",
node->fullpath, prop->val.len, addr_cells, size_cells);
}
<*>^"#"(line)?[ \t]+[0-9]+[ \t]+{STRING}([ \t]+[0-9]+)? {
- char *line, *tmp, *fn;
+ char *line, *fnstart, *fnend;
+ struct data fn;
/* skip text before line # */
line = yytext;
while (!isdigit((unsigned char)*line))
line++;
- /* skip digits in line # */
- tmp = line;
- while (!isspace((unsigned char)*tmp))
- tmp++;
- /* "NULL"-terminate line # */
- *tmp = '\0';
- /* start of filename */
- fn = strchr(tmp + 1, '"') + 1;
- /* strip trailing " from filename */
- tmp = strchr(fn, '"');
- *tmp = 0;
+
+ /* regexp ensures that first and list "
+ * in the whole yytext are those at
+ * beginning and end of the filename string */
+ fnstart = memchr(yytext, '"', yyleng);
+ for (fnend = yytext + yyleng - 1;
+ *fnend != '"'; fnend--)
+ ;
+ assert(fnstart && fnend && (fnend > fnstart));
+
+ fn = data_copy_escape_string(fnstart + 1,
+ fnend - fnstart - 1);
+
+ /* Don't allow nuls in filenames */
+ if (memchr(fn.val, '\0', fn.len - 1))
+ lexical_error("nul in line number directive");
+
/* -1 since #line is the number of the next line */
- srcpos_set_line(xstrdup(fn), atoi(line) - 1);
+ srcpos_set_line(xstrdup(fn.val), atoi(line) - 1);
+ data_free(fn);
}
<*><<EOF>> {
errno = 0;
yylval.integer = strtoull(yytext, &e, 0);
- assert(!(*e) || !e[strspn(e, "UL")]);
+ if (*e && e[strspn(e, "UL")]) {
+ lexical_error("Bad integer literal '%s'",
+ yytext);
+ }
if (errno == ERANGE)
lexical_error("Integer literal '%s' out of range",
YY_RULE_SETUP
#line 75 "dtc-lexer.l"
{
- char *line, *tmp, *fn;
+ char *line, *fnstart, *fnend;
+ struct data fn;
/* skip text before line # */
line = yytext;
while (!isdigit((unsigned char)*line))
line++;
- /* skip digits in line # */
- tmp = line;
- while (!isspace((unsigned char)*tmp))
- tmp++;
- /* "NULL"-terminate line # */
- *tmp = '\0';
- /* start of filename */
- fn = strchr(tmp + 1, '"') + 1;
- /* strip trailing " from filename */
- tmp = strchr(fn, '"');
- *tmp = 0;
+
+ /* regexp ensures that first and list "
+ * in the whole yytext are those at
+ * beginning and end of the filename string */
+ fnstart = memchr(yytext, '"', yyleng);
+ for (fnend = yytext + yyleng - 1;
+ *fnend != '"'; fnend--)
+ ;
+ assert(fnstart && fnend && (fnend > fnstart));
+
+ fn = data_copy_escape_string(fnstart + 1,
+ fnend - fnstart - 1);
+
+ /* Don't allow nuls in filenames */
+ if (memchr(fn.val, '\0', fn.len - 1))
+ lexical_error("nul in line number directive");
+
/* -1 since #line is the number of the next line */
- srcpos_set_line(xstrdup(fn), atoi(line) - 1);
+ srcpos_set_line(xstrdup(fn.val), atoi(line) - 1);
+ data_free(fn);
}
YY_BREAK
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(BYTESTRING):
case YY_STATE_EOF(PROPNODENAME):
case YY_STATE_EOF(V1):
-#line 96 "dtc-lexer.l"
+#line 104 "dtc-lexer.l"
{
if (!pop_input_file()) {
yyterminate();
case 3:
/* rule 3 can match eol */
YY_RULE_SETUP
-#line 102 "dtc-lexer.l"
+#line 110 "dtc-lexer.l"
{
DPRINT("String: %s\n", yytext);
yylval.data = data_copy_escape_string(yytext+1,
YY_BREAK
case 4:
YY_RULE_SETUP
-#line 109 "dtc-lexer.l"
+#line 117 "dtc-lexer.l"
{
DPRINT("Keyword: /dts-v1/\n");
dts_version = 1;
YY_BREAK
case 5:
YY_RULE_SETUP
-#line 116 "dtc-lexer.l"
+#line 124 "dtc-lexer.l"
{
DPRINT("Keyword: /memreserve/\n");
BEGIN_DEFAULT();
YY_BREAK
case 6:
YY_RULE_SETUP
-#line 122 "dtc-lexer.l"
+#line 130 "dtc-lexer.l"
{
DPRINT("Keyword: /bits/\n");
BEGIN_DEFAULT();
YY_BREAK
case 7:
YY_RULE_SETUP
-#line 128 "dtc-lexer.l"
+#line 136 "dtc-lexer.l"
{
DPRINT("Keyword: /delete-property/\n");
DPRINT("<PROPNODENAME>\n");
YY_BREAK
case 8:
YY_RULE_SETUP
-#line 135 "dtc-lexer.l"
+#line 143 "dtc-lexer.l"
{
DPRINT("Keyword: /delete-node/\n");
DPRINT("<PROPNODENAME>\n");
YY_BREAK
case 9:
YY_RULE_SETUP
-#line 142 "dtc-lexer.l"
+#line 150 "dtc-lexer.l"
{
DPRINT("Label: %s\n", yytext);
yylval.labelref = xstrdup(yytext);
YY_BREAK
case 10:
YY_RULE_SETUP
-#line 149 "dtc-lexer.l"
+#line 157 "dtc-lexer.l"
{
char *e;
DPRINT("Integer Literal: '%s'\n", yytext);
errno = 0;
yylval.integer = strtoull(yytext, &e, 0);
- assert(!(*e) || !e[strspn(e, "UL")]);
+ if (*e && e[strspn(e, "UL")]) {
+ lexical_error("Bad integer literal '%s'",
+ yytext);
+ }
if (errno == ERANGE)
lexical_error("Integer literal '%s' out of range",
case 11:
/* rule 11 can match eol */
YY_RULE_SETUP
-#line 168 "dtc-lexer.l"
+#line 179 "dtc-lexer.l"
{
struct data d;
DPRINT("Character literal: %s\n", yytext);
YY_BREAK
case 12:
YY_RULE_SETUP
-#line 189 "dtc-lexer.l"
+#line 200 "dtc-lexer.l"
{ /* label reference */
DPRINT("Ref: %s\n", yytext+1);
yylval.labelref = xstrdup(yytext+1);
YY_BREAK
case 13:
YY_RULE_SETUP
-#line 195 "dtc-lexer.l"
+#line 206 "dtc-lexer.l"
{ /* new-style path reference */
yytext[yyleng-1] = '\0';
DPRINT("Ref: %s\n", yytext+2);
YY_BREAK
case 14:
YY_RULE_SETUP
-#line 202 "dtc-lexer.l"
+#line 213 "dtc-lexer.l"
{
yylval.byte = strtol(yytext, NULL, 16);
DPRINT("Byte: %02x\n", (int)yylval.byte);
YY_BREAK
case 15:
YY_RULE_SETUP
-#line 208 "dtc-lexer.l"
+#line 219 "dtc-lexer.l"
{
DPRINT("/BYTESTRING\n");
BEGIN_DEFAULT();
YY_BREAK
case 16:
YY_RULE_SETUP
-#line 214 "dtc-lexer.l"
+#line 225 "dtc-lexer.l"
{
DPRINT("PropNodeName: %s\n", yytext);
yylval.propnodename = xstrdup((yytext[0] == '\\') ?
YY_BREAK
case 17:
YY_RULE_SETUP
-#line 222 "dtc-lexer.l"
+#line 233 "dtc-lexer.l"
{
DPRINT("Binary Include\n");
return DT_INCBIN;
case 18:
/* rule 18 can match eol */
YY_RULE_SETUP
-#line 227 "dtc-lexer.l"
+#line 238 "dtc-lexer.l"
/* eat whitespace */
YY_BREAK
case 19:
/* rule 19 can match eol */
YY_RULE_SETUP
-#line 228 "dtc-lexer.l"
+#line 239 "dtc-lexer.l"
/* eat C-style comments */
YY_BREAK
case 20:
/* rule 20 can match eol */
YY_RULE_SETUP
-#line 229 "dtc-lexer.l"
+#line 240 "dtc-lexer.l"
/* eat C++-style comments */
YY_BREAK
case 21:
YY_RULE_SETUP
-#line 231 "dtc-lexer.l"
+#line 242 "dtc-lexer.l"
{ return DT_LSHIFT; };
YY_BREAK
case 22:
YY_RULE_SETUP
-#line 232 "dtc-lexer.l"
+#line 243 "dtc-lexer.l"
{ return DT_RSHIFT; };
YY_BREAK
case 23:
YY_RULE_SETUP
-#line 233 "dtc-lexer.l"
+#line 244 "dtc-lexer.l"
{ return DT_LE; };
YY_BREAK
case 24:
YY_RULE_SETUP
-#line 234 "dtc-lexer.l"
+#line 245 "dtc-lexer.l"
{ return DT_GE; };
YY_BREAK
case 25:
YY_RULE_SETUP
-#line 235 "dtc-lexer.l"
+#line 246 "dtc-lexer.l"
{ return DT_EQ; };
YY_BREAK
case 26:
YY_RULE_SETUP
-#line 236 "dtc-lexer.l"
+#line 247 "dtc-lexer.l"
{ return DT_NE; };
YY_BREAK
case 27:
YY_RULE_SETUP
-#line 237 "dtc-lexer.l"
+#line 248 "dtc-lexer.l"
{ return DT_AND; };
YY_BREAK
case 28:
YY_RULE_SETUP
-#line 238 "dtc-lexer.l"
+#line 249 "dtc-lexer.l"
{ return DT_OR; };
YY_BREAK
case 29:
YY_RULE_SETUP
-#line 240 "dtc-lexer.l"
+#line 251 "dtc-lexer.l"
{
DPRINT("Char: %c (\\x%02x)\n", yytext[0],
(unsigned)yytext[0]);
YY_BREAK
case 30:
YY_RULE_SETUP
-#line 255 "dtc-lexer.l"
+#line 266 "dtc-lexer.l"
ECHO;
YY_BREAK
-#line 1239 "dtc-lexer.lex.c"
+#line 1250 "dtc-lexer.lex.c"
case YY_END_OF_BUFFER:
{
#define YYTABLES_NAME "yytables"
-#line 254 "dtc-lexer.l"
+#line 265 "dtc-lexer.l"
298, 303, 322, 336, 343, 344, 345, 352, 356, 357,
361, 362, 366, 367, 371, 372, 376, 377, 381, 382,
386, 387, 388, 392, 393, 394, 395, 396, 400, 401,
- 402, 406, 407, 408, 412, 413, 414, 415, 419, 420,
- 421, 422, 427, 430, 434, 442, 445, 449, 457, 461,
- 465
+ 402, 406, 407, 408, 412, 413, 422, 431, 435, 436,
+ 437, 438, 443, 446, 450, 458, 461, 465, 473, 477,
+ 481
};
#endif
break;
case 65:
-#line 413 "dtc-parser.y" /* yacc.c:1646 */
- { (yyval.integer) = (yyvsp[-2].integer) / (yyvsp[0].integer); }
-#line 1915 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 414 "dtc-parser.y" /* yacc.c:1646 */
+ {
+ if ((yyvsp[0].integer) != 0) {
+ (yyval.integer) = (yyvsp[-2].integer) / (yyvsp[0].integer);
+ } else {
+ ERROR(&(yyloc), "Division by zero");
+ (yyval.integer) = 0;
+ }
+ }
+#line 1922 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 66:
-#line 414 "dtc-parser.y" /* yacc.c:1646 */
- { (yyval.integer) = (yyvsp[-2].integer) % (yyvsp[0].integer); }
-#line 1921 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 423 "dtc-parser.y" /* yacc.c:1646 */
+ {
+ if ((yyvsp[0].integer) != 0) {
+ (yyval.integer) = (yyvsp[-2].integer) % (yyvsp[0].integer);
+ } else {
+ ERROR(&(yyloc), "Division by zero");
+ (yyval.integer) = 0;
+ }
+ }
+#line 1935 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 69:
-#line 420 "dtc-parser.y" /* yacc.c:1646 */
+#line 436 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = -(yyvsp[0].integer); }
-#line 1927 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1941 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 70:
-#line 421 "dtc-parser.y" /* yacc.c:1646 */
+#line 437 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = ~(yyvsp[0].integer); }
-#line 1933 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1947 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 71:
-#line 422 "dtc-parser.y" /* yacc.c:1646 */
+#line 438 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = !(yyvsp[0].integer); }
-#line 1939 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1953 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 72:
-#line 427 "dtc-parser.y" /* yacc.c:1646 */
+#line 443 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = empty_data;
}
-#line 1947 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1961 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 73:
-#line 431 "dtc-parser.y" /* yacc.c:1646 */
+#line 447 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_append_byte((yyvsp[-1].data), (yyvsp[0].byte));
}
-#line 1955 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1969 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 74:
-#line 435 "dtc-parser.y" /* yacc.c:1646 */
+#line 451 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
-#line 1963 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1977 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 75:
-#line 442 "dtc-parser.y" /* yacc.c:1646 */
+#line 458 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.nodelist) = NULL;
}
-#line 1971 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1985 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 76:
-#line 446 "dtc-parser.y" /* yacc.c:1646 */
+#line 462 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.nodelist) = chain_node((yyvsp[-1].node), (yyvsp[0].nodelist));
}
-#line 1979 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1993 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 77:
-#line 450 "dtc-parser.y" /* yacc.c:1646 */
+#line 466 "dtc-parser.y" /* yacc.c:1646 */
{
ERROR(&(yylsp[0]), "Properties must precede subnodes");
YYERROR;
}
-#line 1988 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2002 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 78:
-#line 458 "dtc-parser.y" /* yacc.c:1646 */
+#line 474 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.node) = name_node((yyvsp[0].node), (yyvsp[-1].propnodename));
}
-#line 1996 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2010 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 79:
-#line 462 "dtc-parser.y" /* yacc.c:1646 */
+#line 478 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.node) = name_node(build_node_delete(), (yyvsp[-1].propnodename));
}
-#line 2004 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2018 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 80:
-#line 466 "dtc-parser.y" /* yacc.c:1646 */
+#line 482 "dtc-parser.y" /* yacc.c:1646 */
{
add_label(&(yyvsp[0].node)->labels, (yyvsp[-1].labelref));
(yyval.node) = (yyvsp[0].node);
}
-#line 2013 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2027 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
-#line 2017 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2031 "dtc-parser.tab.c" /* yacc.c:1646 */
default: break;
}
/* User semantic actions sometimes alter yychar, and that requires
#endif
return yyresult;
}
-#line 472 "dtc-parser.y" /* yacc.c:1906 */
+#line 488 "dtc-parser.y" /* yacc.c:1906 */
void yyerror(char const *s)
integer_mul:
integer_mul '*' integer_unary { $$ = $1 * $3; }
- | integer_mul '/' integer_unary { $$ = $1 / $3; }
- | integer_mul '%' integer_unary { $$ = $1 % $3; }
+ | integer_mul '/' integer_unary
+ {
+ if ($3 != 0) {
+ $$ = $1 / $3;
+ } else {
+ ERROR(&@$, "Division by zero");
+ $$ = 0;
+ }
+ }
+ | integer_mul '%' integer_unary
+ {
+ if ($3 != 0) {
+ $$ = $1 % $3;
+ } else {
+ ERROR(&@$, "Division by zero");
+ $$ = 0;
+ }
+ }
| integer_unary
;
* USA
*/
+#include <sys/stat.h>
+
#include "dtc.h"
#include "srcpos.h"
NULL,
};
+static const char *guess_type_by_name(const char *fname, const char *fallback)
+{
+ const char *s;
+
+ s = strrchr(fname, '.');
+ if (s == NULL)
+ return fallback;
+ if (!strcasecmp(s, ".dts"))
+ return "dts";
+ if (!strcasecmp(s, ".dtb"))
+ return "dtb";
+ return fallback;
+}
+
+static const char *guess_input_format(const char *fname, const char *fallback)
+{
+ struct stat statbuf;
+ uint32_t magic;
+ FILE *f;
+
+ if (stat(fname, &statbuf) != 0)
+ return fallback;
+
+ if (S_ISDIR(statbuf.st_mode))
+ return "fs";
+
+ if (!S_ISREG(statbuf.st_mode))
+ return fallback;
+
+ f = fopen(fname, "r");
+ if (f == NULL)
+ return fallback;
+ if (fread(&magic, 4, 1, f) != 1) {
+ fclose(f);
+ return fallback;
+ }
+ fclose(f);
+
+ magic = fdt32_to_cpu(magic);
+ if (magic == FDT_MAGIC)
+ return "dtb";
+
+ return guess_type_by_name(fname, fallback);
+}
+
int main(int argc, char *argv[])
{
struct boot_info *bi;
- const char *inform = "dts";
- const char *outform = "dts";
+ const char *inform = NULL;
+ const char *outform = NULL;
const char *outname = "-";
const char *depname = NULL;
bool force = false, sort = false;
fprintf(depfile, "%s:", outname);
}
+ if (inform == NULL)
+ inform = guess_input_format(arg, "dts");
+ if (outform == NULL) {
+ outform = guess_type_by_name(outname, NULL);
+ if (outform == NULL) {
+ if (streq(inform, "dts"))
+ outform = "dtb";
+ else
+ outform = "dts";
+ }
+ }
if (streq(inform, "dts"))
bi = dt_from_source(arg);
else if (streq(inform, "fs"))
const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
{
- const char *p;
+ unsigned absoffset = offset + fdt_off_dt_struct(fdt);
+
+ if ((absoffset < offset)
+ || ((absoffset + len) < absoffset)
+ || (absoffset + len) > fdt_totalsize(fdt))
+ return NULL;
if (fdt_version(fdt) >= 0x11)
if (((offset + len) < offset)
|| ((offset + len) > fdt_size_dt_struct(fdt)))
return NULL;
- p = _fdt_offset_ptr(fdt, offset);
-
- if (p + len < p)
- return NULL;
- return p;
+ return _fdt_offset_ptr(fdt, offset);
}
uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
return 0;
}
+int fdt_stringlist_count(const void *fdt, int nodeoffset, const char *property)
+{
+ const char *list, *end;
+ int length, count = 0;
+
+ list = fdt_getprop(fdt, nodeoffset, property, &length);
+ if (!list)
+ return -length;
+
+ end = list + length;
+
+ while (list < end) {
+ length = strnlen(list, end - list) + 1;
+
+ /* Abort if the last string isn't properly NUL-terminated. */
+ if (list + length > end)
+ return -FDT_ERR_BADVALUE;
+
+ list += length;
+ count++;
+ }
+
+ return count;
+}
+
+int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property,
+ const char *string)
+{
+ int length, len, idx = 0;
+ const char *list, *end;
+
+ list = fdt_getprop(fdt, nodeoffset, property, &length);
+ if (!list)
+ return -length;
+
+ len = strlen(string) + 1;
+ end = list + length;
+
+ while (list < end) {
+ length = strnlen(list, end - list) + 1;
+
+ /* Abort if the last string isn't properly NUL-terminated. */
+ if (list + length > end)
+ return -FDT_ERR_BADVALUE;
+
+ if (length == len && memcmp(list, string, length) == 0)
+ return idx;
+
+ list += length;
+ idx++;
+ }
+
+ return -FDT_ERR_NOTFOUND;
+}
+
+const char *fdt_stringlist_get(const void *fdt, int nodeoffset,
+ const char *property, int idx,
+ int *lenp)
+{
+ const char *list, *end;
+ int length;
+
+ list = fdt_getprop(fdt, nodeoffset, property, &length);
+ if (!list) {
+ if (lenp)
+ *lenp = length;
+
+ return NULL;
+ }
+
+ end = list + length;
+
+ while (list < end) {
+ length = strnlen(list, end - list) + 1;
+
+ /* Abort if the last string isn't properly NUL-terminated. */
+ if (list + length > end) {
+ if (lenp)
+ *lenp = -FDT_ERR_BADVALUE;
+
+ return NULL;
+ }
+
+ if (idx == 0) {
+ if (lenp)
+ *lenp = length - 1;
+
+ return list;
+ }
+
+ list += length;
+ idx--;
+ }
+
+ if (lenp)
+ *lenp = -FDT_ERR_NOTFOUND;
+
+ return NULL;
+}
+
int fdt_node_check_compatible(const void *fdt, int nodeoffset,
const char *compatible)
{
if (((p + oldlen) < p) || ((p + oldlen) > end))
return -FDT_ERR_BADOFFSET;
+ if ((p < (char *)fdt) || ((end - oldlen + newlen) < (char *)fdt))
+ return -FDT_ERR_BADOFFSET;
if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
return -FDT_ERR_NOSPACE;
memmove(p + newlen, p + oldlen, end - p - oldlen);
/* FDT_ERR_BADNCELLS: Device tree has a #address-cells, #size-cells
* or similar property with a bad format or value */
-#define FDT_ERR_MAX 14
+#define FDT_ERR_BADVALUE 15
+ /* FDT_ERR_BADVALUE: Device tree has a property with an unexpected
+ * value. For example: a property expected to contain a string list
+ * is not NUL-terminated within the length of its value. */
+
+#define FDT_ERR_MAX 15
/**********************************************************************/
/* Low-level functions (you probably don't need these) */
* @namelen: number of characters of name to consider
* @lenp: pointer to an integer variable (will be overwritten) or NULL
*
- * Identical to fdt_get_property_namelen(), but only examine the first
- * namelen characters of name for matching the property name.
+ * Identical to fdt_get_property(), but only examine the first namelen
+ * characters of name for matching the property name.
*/
const struct fdt_property *fdt_get_property_namelen(const void *fdt,
int nodeoffset,
*/
int fdt_stringlist_contains(const char *strlist, int listlen, const char *str);
+/**
+ * fdt_stringlist_count - count the number of strings in a string list
+ * @fdt: pointer to the device tree blob
+ * @nodeoffset: offset of a tree node
+ * @property: name of the property containing the string list
+ * @return:
+ * the number of strings in the given property
+ * -FDT_ERR_BADVALUE if the property value is not NUL-terminated
+ * -FDT_ERR_NOTFOUND if the property does not exist
+ */
+int fdt_stringlist_count(const void *fdt, int nodeoffset, const char *property);
+
+/**
+ * fdt_stringlist_search - find a string in a string list and return its index
+ * @fdt: pointer to the device tree blob
+ * @nodeoffset: offset of a tree node
+ * @property: name of the property containing the string list
+ * @string: string to look up in the string list
+ *
+ * Note that it is possible for this function to succeed on property values
+ * that are not NUL-terminated. That's because the function will stop after
+ * finding the first occurrence of @string. This can for example happen with
+ * small-valued cell properties, such as #address-cells, when searching for
+ * the empty string.
+ *
+ * @return:
+ * the index of the string in the list of strings
+ * -FDT_ERR_BADVALUE if the property value is not NUL-terminated
+ * -FDT_ERR_NOTFOUND if the property does not exist or does not contain
+ * the given string
+ */
+int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property,
+ const char *string);
+
+/**
+ * fdt_stringlist_get() - obtain the string at a given index in a string list
+ * @fdt: pointer to the device tree blob
+ * @nodeoffset: offset of a tree node
+ * @property: name of the property containing the string list
+ * @index: index of the string to return
+ * @lenp: return location for the string length or an error code on failure
+ *
+ * Note that this will successfully extract strings from properties with
+ * non-NUL-terminated values. For example on small-valued cell properties
+ * this function will return the empty string.
+ *
+ * If non-NULL, the length of the string (on success) or a negative error-code
+ * (on failure) will be stored in the integer pointer to by lenp.
+ *
+ * @return:
+ * A pointer to the string at the given index in the string list or NULL on
+ * failure. On success the length of the string will be stored in the memory
+ * location pointed to by the lenp parameter, if non-NULL. On failure one of
+ * the following negative error codes will be returned in the lenp parameter
+ * (if non-NULL):
+ * -FDT_ERR_BADVALUE if the property value is not NUL-terminated
+ * -FDT_ERR_NOTFOUND if the property does not exist
+ */
+const char *fdt_stringlist_get(const void *fdt, int nodeoffset,
+ const char *property, int index,
+ int *lenp);
+
/**********************************************************************/
/* Read-only functions (addressing related) */
/**********************************************************************/
int j = *i + 1;
char val;
- assert(c);
switch (c) {
case 'a':
val = '\a';
void utilfdt_print_data(const char *data, int len)
{
int i;
- const char *p = data;
const char *s;
/* no data, don't print */
i < (len - 1) ? " " : "");
printf(">");
} else {
+ const unsigned char *p = (const unsigned char *)data;
printf(" = [");
for (i = 0; i < len; i++)
printf("%02x%s", *p++, i < len - 1 ? " " : "");
-#define DTC_VERSION "DTC 1.4.1-g9d3649bd"
+#define DTC_VERSION "DTC 1.4.1-gb06e55c8"
projects / users / hch / xfs.git / commitdiff