WARNING(obsolete_chosen_interrupt_controller,
check_obsolete_chosen_interrupt_controller, NULL);
+struct provider {
+ const char *prop_name;
+ const char *cell_name;
+ bool optional;
+};
+
+static void check_property_phandle_args(struct check *c,
+ struct dt_info *dti,
+ struct node *node,
+ struct property *prop,
+ const struct provider *provider)
+{
+ struct node *root = dti->dt;
+ int cell, cellsize = 0;
+
+ if (prop->val.len % sizeof(cell_t)) {
+ FAIL(c, dti, "property '%s' size (%d) is invalid, expected multiple of %zu in node %s",
+ prop->name, prop->val.len, sizeof(cell_t), node->fullpath);
+ return;
+ }
+
+ for (cell = 0; cell < prop->val.len / sizeof(cell_t); cell += cellsize + 1) {
+ struct node *provider_node;
+ struct property *cellprop;
+ int phandle;
+
+ phandle = propval_cell_n(prop, cell);
+ /*
+ * Some bindings use a cell value 0 or -1 to skip over optional
+ * entries when each index position has a specific definition.
+ */
+ if (phandle == 0 || phandle == -1) {
+ cellsize = 0;
+ continue;
+ }
+
+ /* If we have markers, verify the current cell is a phandle */
+ if (prop->val.markers) {
+ struct marker *m = prop->val.markers;
+ for_each_marker_of_type(m, REF_PHANDLE) {
+ if (m->offset == (cell * sizeof(cell_t)))
+ break;
+ }
+ if (!m)
+ FAIL(c, dti, "Property '%s', cell %d is not a phandle reference in %s",
+ prop->name, cell, node->fullpath);
+ }
+
+ provider_node = get_node_by_phandle(root, phandle);
+ if (!provider_node) {
+ FAIL(c, dti, "Could not get phandle node for %s:%s(cell %d)",
+ node->fullpath, prop->name, cell);
+ break;
+ }
+
+ cellprop = get_property(provider_node, provider->cell_name);
+ if (cellprop) {
+ cellsize = propval_cell(cellprop);
+ } else if (provider->optional) {
+ cellsize = 0;
+ } else {
+ FAIL(c, dti, "Missing property '%s' in node %s or bad phandle (referred from %s:%s[%d])",
+ provider->cell_name,
+ provider_node->fullpath,
+ node->fullpath, prop->name, cell);
+ break;
+ }
+
+ if (prop->val.len < ((cell + cellsize + 1) * sizeof(cell_t))) {
+ FAIL(c, dti, "%s property size (%d) too small for cell size %d in %s",
+ prop->name, prop->val.len, cellsize, node->fullpath);
+ }
+ }
+}
+
+static void check_provider_cells_property(struct check *c,
+ struct dt_info *dti,
+ struct node *node)
+{
+ struct provider *provider = c->data;
+ struct property *prop;
+
+ prop = get_property(node, provider->prop_name);
+ if (!prop)
+ return;
+
+ check_property_phandle_args(c, dti, node, prop, provider);
+}
+#define WARNING_PROPERTY_PHANDLE_CELLS(nm, propname, cells_name, ...) \
+ static struct provider nm##_provider = { (propname), (cells_name), __VA_ARGS__ }; \
+ WARNING(nm##_property, check_provider_cells_property, &nm##_provider, &phandle_references);
+
+WARNING_PROPERTY_PHANDLE_CELLS(clocks, "clocks", "#clock-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(cooling_device, "cooling-device", "#cooling-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(dmas, "dmas", "#dma-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(hwlocks, "hwlocks", "#hwlock-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(interrupts_extended, "interrupts-extended", "#interrupt-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(io_channels, "io-channels", "#io-channel-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(iommus, "iommus", "#iommu-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(mboxes, "mboxes", "#mbox-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(msi_parent, "msi-parent", "#msi-cells", true);
+WARNING_PROPERTY_PHANDLE_CELLS(mux_controls, "mux-controls", "#mux-control-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(phys, "phys", "#phy-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(power_domains, "power-domains", "#power-domain-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(pwms, "pwms", "#pwm-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(resets, "resets", "#reset-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(sound_dais, "sound-dais", "#sound-dai-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(thermal_sensors, "thermal-sensors", "#thermal-sensor-cells");
+
+static bool prop_is_gpio(struct property *prop)
+{
+ char *str;
+
+ /*
+ * *-gpios and *-gpio can appear in property names,
+ * so skip over any false matches (only one known ATM)
+ */
+ if (strstr(prop->name, "nr-gpio"))
+ return false;
+
+ str = strrchr(prop->name, '-');
+ if (str)
+ str++;
+ else
+ str = prop->name;
+ if (!(streq(str, "gpios") || streq(str, "gpio")))
+ return false;
+
+ return true;
+}
+
+static void check_gpios_property(struct check *c,
+ struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ /* Skip GPIO hog nodes which have 'gpios' property */
+ if (get_property(node, "gpio-hog"))
+ return;
+
+ for_each_property(node, prop) {
+ struct provider provider;
+
+ if (!prop_is_gpio(prop))
+ continue;
+
+ provider.prop_name = prop->name;
+ provider.cell_name = "#gpio-cells";
+ provider.optional = false;
+ check_property_phandle_args(c, dti, node, prop, &provider);
+ }
+
+}
+WARNING(gpios_property, check_gpios_property, NULL, &phandle_references);
+
+static void check_deprecated_gpio_property(struct check *c,
+ struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ for_each_property(node, prop) {
+ char *str;
+
+ if (!prop_is_gpio(prop))
+ continue;
+
+ str = strstr(prop->name, "gpio");
+ if (!streq(str, "gpio"))
+ continue;
+
+ FAIL(c, dti, "'[*-]gpio' is deprecated, use '[*-]gpios' instead for %s:%s",
+ node->fullpath, prop->name);
+ }
+
+}
+CHECK(deprecated_gpio_property, check_deprecated_gpio_property, NULL);
+
+static bool node_is_interrupt_provider(struct node *node)
+{
+ struct property *prop;
+
+ prop = get_property(node, "interrupt-controller");
+ if (prop)
+ return true;
+
+ prop = get_property(node, "interrupt-map");
+ if (prop)
+ return true;
+
+ return false;
+}
+static void check_interrupts_property(struct check *c,
+ struct dt_info *dti,
+ struct node *node)
+{
+ struct node *root = dti->dt;
+ struct node *irq_node = NULL, *parent = node;
+ struct property *irq_prop, *prop = NULL;
+ int irq_cells, phandle;
+
+ irq_prop = get_property(node, "interrupts");
+ if (!irq_prop)
+ return;
+
+ if (irq_prop->val.len % sizeof(cell_t))
+ FAIL(c, dti, "property '%s' size (%d) is invalid, expected multiple of %zu in node %s",
+ irq_prop->name, irq_prop->val.len, sizeof(cell_t),
+ node->fullpath);
+
+ while (parent && !prop) {
+ if (parent != node && node_is_interrupt_provider(parent)) {
+ irq_node = parent;
+ break;
+ }
+
+ prop = get_property(parent, "interrupt-parent");
+ if (prop) {
+ phandle = propval_cell(prop);
+ irq_node = get_node_by_phandle(root, phandle);
+ if (!irq_node) {
+ FAIL(c, dti, "Bad interrupt-parent phandle for %s",
+ node->fullpath);
+ return;
+ }
+ if (!node_is_interrupt_provider(irq_node))
+ FAIL(c, dti,
+ "Missing interrupt-controller or interrupt-map property in %s",
+ irq_node->fullpath);
+
+ break;
+ }
+
+ parent = parent->parent;
+ }
+
+ if (!irq_node) {
+ FAIL(c, dti, "Missing interrupt-parent for %s", node->fullpath);
+ return;
+ }
+
+ prop = get_property(irq_node, "#interrupt-cells");
+ if (!prop) {
+ FAIL(c, dti, "Missing #interrupt-cells in interrupt-parent %s",
+ irq_node->fullpath);
+ return;
+ }
+
+ irq_cells = propval_cell(prop);
+ if (irq_prop->val.len % (irq_cells * sizeof(cell_t))) {
+ FAIL(c, dti,
+ "interrupts size is (%d), expected multiple of %d in %s",
+ irq_prop->val.len, (int)(irq_cells * sizeof(cell_t)),
+ node->fullpath);
+ }
+}
+WARNING(interrupts_property, check_interrupts_property, &phandle_references);
+
static struct check *check_table[] = {
&duplicate_node_names, &duplicate_property_names,
&node_name_chars, &node_name_format, &property_name_chars,
&avoid_default_addr_size,
&obsolete_chosen_interrupt_controller,
+ &clocks_property,
+ &cooling_device_property,
+ &dmas_property,
+ &hwlocks_property,
+ &interrupts_extended_property,
+ &io_channels_property,
+ &iommus_property,
+ &mboxes_property,
+ &msi_parent_property,
+ &mux_controls_property,
+ &phys_property,
+ &power_domains_property,
+ &pwms_property,
+ &resets_property,
+ &sound_dais_property,
+ &thermal_sensors_property,
+
+ &deprecated_gpio_property,
+ &gpios_property,
+ &interrupts_property,
+
&always_fail,
};
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
-#define YY_FLEX_MINOR_VERSION 5
-#define YY_FLEX_SUBMINOR_VERSION 35
+#define YY_FLEX_MINOR_VERSION 6
+#define YY_FLEX_SUBMINOR_VERSION 1
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
#endif /* ! FLEXINT_H */
-#ifdef __cplusplus
-
-/* The "const" storage-class-modifier is valid. */
-#define YY_USE_CONST
-
-#else /* ! __cplusplus */
-
-/* C99 requires __STDC__ to be defined as 1. */
-#if defined (__STDC__)
-
-#define YY_USE_CONST
-
-#endif /* defined (__STDC__) */
-#endif /* ! __cplusplus */
-
-#ifdef YY_USE_CONST
+/* TODO: this is always defined, so inline it */
#define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
#else
-#define yyconst
+#define yynoreturn
#endif
/* Returned upon end-of-file. */
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
extern int yyleng;
extern FILE *yyin, *yyout;
#define EOB_ACT_LAST_MATCH 2
#define YY_LESS_LINENO(n)
+ #define YY_LINENO_REWIND_TO(ptr)
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
#define unput(c) yyunput( c, (yytext_ptr) )
-#ifndef YY_TYPEDEF_YY_SIZE_T
-#define YY_TYPEDEF_YY_SIZE_T
-typedef size_t yy_size_t;
-#endif
-
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
- yy_size_t yy_buf_size;
+ int yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
-
+
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
-static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */
/* We provide macros for accessing buffer states in case in the
* future we want to put the buffer states in a more general
int yyleng;
/* Points to current character in buffer. */
-static char *yy_c_buf_p = (char *) 0;
+static char *yy_c_buf_p = NULL;
static int yy_init = 0; /* whether we need to initialize */
static int yy_start = 0; /* start state number */
/* Begin user sect3 */
-#define yywrap(n) 1
+#define yywrap() (/*CONSTCOND*/1)
#define YY_SKIP_YYWRAP
typedef unsigned char YY_CHAR;
-FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+FILE *yyin = NULL, *yyout = NULL;
typedef int yy_state_type;
int yylineno = 1;
extern char *yytext;
+#ifdef yytext_ptr
+#undef yytext_ptr
+#endif
#define yytext_ptr yytext
static yy_state_type yy_get_previous_state (void );
static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
static int yy_get_next_buffer (void );
-static void yy_fatal_error (yyconst char msg[] );
+static void yynoreturn yy_fatal_error (yyconst char* msg );
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
(yytext_ptr) = yy_bp; \
- yyleng = (size_t) (yy_cp - yy_bp); \
+ yyleng = (int) (yy_cp - yy_bp); \
(yy_hold_char) = *yy_cp; \
*yy_cp = '\0'; \
(yy_c_buf_p) = yy_cp;
0, 0, 0, 8, 0
} ;
-static yyconst flex_int32_t yy_ec[256] =
+static yyconst YY_CHAR yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
4, 4, 4, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1
} ;
-static yyconst flex_int32_t yy_meta[48] =
+static yyconst YY_CHAR yy_meta[48] =
{ 0,
1, 1, 1, 1, 1, 1, 2, 3, 1, 2,
2, 2, 4, 5, 5, 5, 6, 1, 1, 1,
8, 8, 8, 8, 3, 1, 4
} ;
-static yyconst flex_int16_t yy_base[180] =
+static yyconst flex_uint16_t yy_base[180] =
{ 0,
0, 393, 35, 392, 66, 391, 38, 107, 397, 401,
55, 113, 377, 112, 111, 111, 114, 42, 376, 106,
165, 165, 165, 165, 165, 165, 165, 165, 165
} ;
-static yyconst flex_int16_t yy_nxt[449] =
+static yyconst flex_uint16_t yy_nxt[449] =
{ 0,
10, 11, 12, 11, 13, 14, 10, 15, 16, 10,
10, 10, 17, 10, 10, 10, 10, 18, 19, 20,
static bool pop_input_file(void);
static void PRINTF(1, 2) lexical_error(const char *fmt, ...);
-#line 669 "dtc-lexer.lex.c"
+#line 661 "dtc-lexer.lex.c"
#define INITIAL 0
#define BYTESTRING 1
FILE *yyget_in (void );
-void yyset_in (FILE * in_str );
+void yyset_in (FILE * _in_str );
FILE *yyget_out (void );
-void yyset_out (FILE * out_str );
+void yyset_out (FILE * _out_str );
-int yyget_leng (void );
+ int yyget_leng (void );
char *yyget_text (void );
int yyget_lineno (void );
-void yyset_lineno (int line_number );
+void yyset_lineno (int _line_number );
/* Macros after this point can all be overridden by user definitions in
* section 1.
#endif
#endif
+#ifndef YY_NO_UNPUT
+
+#endif
+
#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int );
#endif
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
-#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
+#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
else \
{ \
errno=0; \
- while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+ while ( (result = (int) fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
{ \
if( errno != EINTR) \
{ \
/* Code executed at the end of each rule. */
#ifndef YY_BREAK
-#define YY_BREAK break;
+#define YY_BREAK /*LINTED*/break;
#endif
#define YY_RULE_SETUP \
*/
YY_DECL
{
- register yy_state_type yy_current_state;
- register char *yy_cp, *yy_bp;
- register int yy_act;
+ yy_state_type yy_current_state;
+ char *yy_cp, *yy_bp;
+ int yy_act;
-#line 69 "dtc-lexer.l"
-
-#line 862 "dtc-lexer.lex.c"
-
if ( !(yy_init) )
{
(yy_init) = 1;
yy_load_buffer_state( );
}
- while ( 1 ) /* loops until end-of-file is reached */
+ {
+#line 69 "dtc-lexer.l"
+
+#line 885 "dtc-lexer.lex.c"
+
+ while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
{
yy_cp = (yy_c_buf_p);
yy_match:
do
{
- register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+ YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
if ( yy_current_state >= 166 )
yy_c = yy_meta[(unsigned int) yy_c];
}
- yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c];
++yy_cp;
}
while ( yy_current_state != 165 );
#line 272 "dtc-lexer.l"
ECHO;
YY_BREAK
-#line 1260 "dtc-lexer.lex.c"
+#line 1257 "dtc-lexer.lex.c"
case YY_END_OF_BUFFER:
{
"fatal flex scanner internal error--no action found" );
} /* end of action switch */
} /* end of scanning one token */
+ } /* end of user's declarations */
} /* end of yylex */
/* yy_get_next_buffer - try to read in a new buffer
*/
static int yy_get_next_buffer (void)
{
- register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
- register char *source = (yytext_ptr);
- register int number_to_move, i;
+ char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ char *source = (yytext_ptr);
+ int number_to_move, i;
int ret_val;
if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
/* Try to read more data. */
/* First move last chars to start of buffer. */
- number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
+ number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);
for ( i = 0; i < number_to_move; ++i )
*(dest++) = *(source++);
{ /* Not enough room in the buffer - grow it. */
/* just a shorter name for the current buffer */
- YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+ YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
int yy_c_buf_p_offset =
(int) ((yy_c_buf_p) - b->yy_ch_buf);
}
else
/* Can't grow it, we don't own it. */
- b->yy_ch_buf = 0;
+ b->yy_ch_buf = NULL;
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR(
/* Read in more data. */
YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
- (yy_n_chars), (size_t) num_to_read );
+ (yy_n_chars), num_to_read );
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
- if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+ if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
/* Extend the array by 50%, plus the number we really need. */
- yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+ int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
static yy_state_type yy_get_previous_state (void)
{
- register yy_state_type yy_current_state;
- register char *yy_cp;
+ yy_state_type yy_current_state;
+ char *yy_cp;
yy_current_state = (yy_start);
yy_current_state += YY_AT_BOL();
for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
{
- register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+ YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
if ( yy_current_state >= 166 )
yy_c = yy_meta[(unsigned int) yy_c];
}
- yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c];
}
return yy_current_state;
*/
static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
{
- register int yy_is_jam;
- register char *yy_cp = (yy_c_buf_p);
+ int yy_is_jam;
+ char *yy_cp = (yy_c_buf_p);
- register YY_CHAR yy_c = 1;
+ YY_CHAR yy_c = 1;
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
if ( yy_current_state >= 166 )
yy_c = yy_meta[(unsigned int) yy_c];
}
- yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c];
yy_is_jam = (yy_current_state == 165);
- return yy_is_jam ? 0 : yy_current_state;
+ return yy_is_jam ? 0 : yy_current_state;
}
+#ifndef YY_NO_UNPUT
+
+#endif
+
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput (void)
case EOB_ACT_END_OF_FILE:
{
if ( yywrap( ) )
- return EOF;
+ return 0;
if ( ! (yy_did_buffer_switch_on_eof) )
YY_NEW_FILE;
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
- b->yy_buf_size = size;
+ b->yy_buf_size = (yy_size_t)size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
* scanner will even need a stack. We use 2 instead of 1 to avoid an
* immediate realloc on the next call.
*/
- num_to_alloc = 1;
+ num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
(num_to_alloc * sizeof(struct yy_buffer_state*)
);
if ( ! (yy_buffer_stack) )
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
-
+
memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
-
+
(yy_buffer_stack_max) = num_to_alloc;
(yy_buffer_stack_top) = 0;
return;
if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
/* Increase the buffer to prepare for a possible push. */
- int grow_size = 8 /* arbitrary grow size */;
+ yy_size_t grow_size = 8 /* arbitrary grow size */;
num_to_alloc = (yy_buffer_stack_max) + grow_size;
(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
* @param base the character buffer
* @param size the size in bytes of the character buffer
*
- * @return the newly allocated buffer state object.
+ * @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
{
base[size-2] != YY_END_OF_BUFFER_CHAR ||
base[size-1] != YY_END_OF_BUFFER_CHAR )
/* They forgot to leave room for the EOB's. */
- return 0;
+ return NULL;
b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
if ( ! b )
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
b->yy_buf_pos = b->yy_ch_buf = base;
b->yy_is_our_buffer = 0;
- b->yy_input_file = 0;
+ b->yy_input_file = NULL;
b->yy_n_chars = b->yy_buf_size;
b->yy_is_interactive = 0;
b->yy_at_bol = 1;
YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
{
- return yy_scan_bytes(yystr,strlen(yystr) );
+ return yy_scan_bytes(yystr,(int) strlen(yystr) );
}
/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
- n = _yybytes_len + 2;
+ n = (yy_size_t) (_yybytes_len + 2);
buf = (char *) yyalloc(n );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
#define YY_EXIT_FAILURE 2
#endif
-static void yy_fatal_error (yyconst char* msg )
+static void yynoreturn yy_fatal_error (yyconst char* msg )
{
- (void) fprintf( stderr, "%s\n", msg );
+ (void) fprintf( stderr, "%s\n", msg );
exit( YY_EXIT_FAILURE );
}
*/
int yyget_lineno (void)
{
-
+
return yylineno;
}
}
/** Set the current line number.
- * @param line_number
+ * @param _line_number line number
*
*/
-void yyset_lineno (int line_number )
+void yyset_lineno (int _line_number )
{
- yylineno = line_number;
+ yylineno = _line_number;
}
/** Set the input stream. This does not discard the current
* input buffer.
- * @param in_str A readable stream.
+ * @param _in_str A readable stream.
*
* @see yy_switch_to_buffer
*/
-void yyset_in (FILE * in_str )
+void yyset_in (FILE * _in_str )
{
- yyin = in_str ;
+ yyin = _in_str ;
}
-void yyset_out (FILE * out_str )
+void yyset_out (FILE * _out_str )
{
- yyout = out_str ;
+ yyout = _out_str ;
}
int yyget_debug (void)
return yy_flex_debug;
}
-void yyset_debug (int bdebug )
+void yyset_debug (int _bdebug )
{
- yy_flex_debug = bdebug ;
+ yy_flex_debug = _bdebug ;
}
static int yy_init_globals (void)
* This function is called from yylex_destroy(), so don't allocate here.
*/
- (yy_buffer_stack) = 0;
+ (yy_buffer_stack) = NULL;
(yy_buffer_stack_top) = 0;
(yy_buffer_stack_max) = 0;
- (yy_c_buf_p) = (char *) 0;
+ (yy_c_buf_p) = NULL;
(yy_init) = 0;
(yy_start) = 0;
yyin = stdin;
yyout = stdout;
#else
- yyin = (FILE *) 0;
- yyout = (FILE *) 0;
+ yyin = NULL;
+ yyout = NULL;
#endif
/* For future reference: Set errno on error, since we are called by
#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
{
- register int i;
+
+ int i;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * s )
{
- register int n;
+ int n;
for ( n = 0; s[n]; ++n )
;
void *yyalloc (yy_size_t size )
{
- return (void *) malloc( size );
+ return malloc(size);
}
void *yyrealloc (void * ptr, yy_size_t size )
{
+
/* The cast to (char *) in the following accommodates both
* implementations that use char* generic pointers, and those
* that use void* generic pointers. It works with the latter
* any pointer type to void*, and deal with argument conversions
* as though doing an assignment.
*/
- return (void *) realloc( (char *) ptr, size );
+ return realloc(ptr, size);
}
void yyfree (void * ptr )
{
- free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
+ free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
}
#define YYTABLES_NAME "yytables"
-/* A Bison parser, made by GNU Bison 3.0.2. */
+/* A Bison parser, made by GNU Bison 3.0.4. */
/* Bison implementation for Yacc-like parsers in C
- Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#define YYBISON 1
/* Bison version. */
-#define YYBISON_VERSION "3.0.2"
+#define YYBISON_VERSION "3.0.4"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-typedef union YYSTYPE YYSTYPE;
+
union YYSTYPE
{
#line 39 "dtc-parser.y" /* yacc.c:355 */
#line 170 "dtc-parser.tab.c" /* yacc.c:355 */
};
+
+typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif
/* Copy the second part of user declarations. */
-#line 199 "dtc-parser.tab.c" /* yacc.c:358 */
+#line 201 "dtc-parser.tab.c" /* yacc.c:358 */
#ifdef short
# undef short
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 30
/* YYNRULES -- Number of rules. */
-#define YYNRULES 84
+#define YYNRULES 85
/* YYNSTATES -- Number of states. */
#define YYNSTATES 149
static const yytype_uint16 yyrline[] =
{
0, 109, 109, 117, 121, 128, 129, 139, 142, 149,
- 153, 161, 165, 170, 181, 191, 206, 214, 217, 224,
- 228, 232, 236, 244, 248, 252, 256, 260, 276, 286,
- 294, 297, 301, 308, 324, 329, 348, 362, 369, 370,
- 371, 378, 382, 383, 387, 388, 392, 393, 397, 398,
- 402, 403, 407, 408, 412, 413, 414, 418, 419, 420,
- 421, 422, 426, 427, 428, 432, 433, 434, 438, 439,
- 448, 457, 461, 462, 463, 464, 469, 472, 476, 484,
- 487, 491, 499, 503, 507
+ 153, 161, 165, 170, 181, 200, 213, 220, 228, 231,
+ 238, 242, 246, 250, 258, 262, 266, 270, 274, 290,
+ 300, 308, 311, 315, 322, 338, 343, 362, 376, 383,
+ 384, 385, 392, 396, 397, 401, 402, 406, 407, 411,
+ 412, 416, 417, 421, 422, 426, 427, 428, 432, 433,
+ 434, 435, 436, 440, 441, 442, 446, 447, 448, 452,
+ 453, 462, 471, 475, 476, 477, 478, 483, 486, 490,
+ 498, 501, 505, 513, 517, 521
};
#endif
static const yytype_uint8 yydefact[] =
{
0, 0, 0, 5, 7, 3, 1, 6, 0, 0,
- 0, 7, 0, 38, 39, 0, 0, 10, 0, 2,
- 8, 4, 0, 0, 0, 72, 0, 41, 42, 44,
- 46, 48, 50, 52, 54, 57, 64, 67, 71, 0,
- 17, 11, 0, 0, 0, 0, 73, 74, 75, 40,
+ 16, 7, 0, 39, 40, 0, 0, 10, 0, 2,
+ 8, 4, 0, 0, 0, 73, 0, 42, 43, 45,
+ 47, 49, 51, 53, 55, 58, 65, 68, 72, 0,
+ 18, 11, 0, 0, 0, 0, 74, 75, 76, 41,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 9,
- 79, 0, 0, 14, 12, 45, 0, 47, 49, 51,
- 53, 55, 56, 60, 61, 59, 58, 62, 63, 65,
- 66, 69, 68, 70, 0, 0, 0, 0, 18, 0,
- 79, 15, 13, 0, 0, 0, 20, 30, 82, 22,
- 84, 0, 81, 80, 43, 21, 83, 0, 0, 16,
- 29, 19, 31, 0, 23, 32, 26, 0, 76, 34,
- 0, 0, 0, 0, 37, 36, 24, 35, 33, 0,
- 77, 78, 25, 0, 28, 0, 0, 0, 27
+ 80, 0, 0, 14, 12, 46, 0, 48, 50, 52,
+ 54, 56, 57, 61, 62, 60, 59, 63, 64, 66,
+ 67, 70, 69, 71, 0, 0, 0, 0, 19, 0,
+ 80, 15, 13, 0, 0, 0, 21, 31, 83, 23,
+ 85, 0, 82, 81, 44, 22, 84, 0, 0, 17,
+ 30, 20, 32, 0, 24, 33, 27, 0, 77, 35,
+ 0, 0, 0, 0, 38, 37, 25, 36, 34, 0,
+ 78, 79, 26, 0, 29, 0, 0, 0, 28
};
/* YYPGOTO[NTERM-NUM]. */
static const yytype_uint8 yyr1[] =
{
0, 48, 49, 50, 50, 51, 51, 52, 52, 53,
- 53, 54, 54, 54, 54, 54, 55, 56, 56, 57,
- 57, 57, 57, 58, 58, 58, 58, 58, 58, 58,
- 59, 59, 59, 60, 60, 60, 60, 60, 61, 61,
- 61, 62, 63, 63, 64, 64, 65, 65, 66, 66,
- 67, 67, 68, 68, 69, 69, 69, 70, 70, 70,
- 70, 70, 71, 71, 71, 72, 72, 72, 73, 73,
- 73, 73, 74, 74, 74, 74, 75, 75, 75, 76,
- 76, 76, 77, 77, 77
+ 53, 54, 54, 54, 54, 54, 54, 55, 56, 56,
+ 57, 57, 57, 57, 58, 58, 58, 58, 58, 58,
+ 58, 59, 59, 59, 60, 60, 60, 60, 60, 61,
+ 61, 61, 62, 63, 63, 64, 64, 65, 65, 66,
+ 66, 67, 67, 68, 68, 69, 69, 69, 70, 70,
+ 70, 70, 70, 71, 71, 71, 72, 72, 72, 73,
+ 73, 73, 73, 74, 74, 74, 74, 75, 75, 75,
+ 76, 76, 76, 77, 77, 77
};
/* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */
static const yytype_uint8 yyr2[] =
{
0, 2, 3, 2, 4, 1, 2, 0, 2, 4,
- 2, 2, 3, 4, 3, 4, 5, 0, 2, 4,
- 2, 3, 2, 2, 3, 4, 2, 9, 5, 2,
- 0, 2, 2, 3, 1, 2, 2, 2, 1, 1,
- 3, 1, 1, 5, 1, 3, 1, 3, 1, 3,
- 1, 3, 1, 3, 1, 3, 3, 1, 3, 3,
- 3, 3, 3, 3, 1, 3, 3, 1, 3, 3,
- 3, 1, 1, 2, 2, 2, 0, 2, 2, 0,
- 2, 2, 2, 3, 2
+ 2, 2, 3, 4, 3, 4, 0, 5, 0, 2,
+ 4, 2, 3, 2, 2, 3, 4, 2, 9, 5,
+ 2, 0, 2, 2, 3, 1, 2, 2, 2, 1,
+ 1, 3, 1, 1, 5, 1, 3, 1, 3, 1,
+ 3, 1, 3, 1, 3, 1, 3, 3, 1, 3,
+ 3, 3, 3, 3, 3, 1, 3, 3, 1, 3,
+ 3, 3, 1, 1, 2, 2, 2, 0, 2, 2,
+ 0, 2, 2, 2, 3, 2
};
parser_output = build_dt_info((yyvsp[-2].flags), (yyvsp[-1].re), (yyvsp[0].node),
guess_boot_cpuid((yyvsp[0].node)));
}
-#line 1476 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1478 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 3:
{
(yyval.flags) = DTSF_V1;
}
-#line 1484 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1486 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 4:
{
(yyval.flags) = DTSF_V1 | DTSF_PLUGIN;
}
-#line 1492 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1494 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 6:
ERROR(&(yylsp[0]), "Header flags don't match earlier ones");
(yyval.flags) = (yyvsp[-1].flags);
}
-#line 1502 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1504 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 7:
{
(yyval.re) = NULL;
}
-#line 1510 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1512 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 8:
{
(yyval.re) = chain_reserve_entry((yyvsp[-1].re), (yyvsp[0].re));
}
-#line 1518 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1520 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 9:
{
(yyval.re) = build_reserve_entry((yyvsp[-2].integer), (yyvsp[-1].integer));
}
-#line 1526 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1528 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 10:
add_label(&(yyvsp[0].re)->labels, (yyvsp[-1].labelref));
(yyval.re) = (yyvsp[0].re);
}
-#line 1535 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1537 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 11:
{
(yyval.node) = name_node((yyvsp[0].node), "");
}
-#line 1543 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1545 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 12:
{
(yyval.node) = merge_nodes((yyvsp[-2].node), (yyvsp[0].node));
}
-#line 1551 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1553 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 13:
ERROR(&(yylsp[-1]), "Label or path %s not found", (yyvsp[-1].labelref));
(yyval.node) = (yyvsp[-3].node);
}
-#line 1566 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1568 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 14:
{
struct node *target = get_node_by_ref((yyvsp[-2].node), (yyvsp[-1].labelref));
- if (target)
+ if (target) {
merge_nodes(target, (yyvsp[0].node));
- else
- ERROR(&(yylsp[-1]), "Label or path %s not found", (yyvsp[-1].labelref));
+ } else {
+ /*
+ * We rely on the rule being always:
+ * versioninfo plugindecl memreserves devicetree
+ * so $-1 is what we want (plugindecl)
+ */
+ if ((yyvsp[(-1) - (3)].flags) & DTSF_PLUGIN)
+ add_orphan_node((yyvsp[-2].node), (yyvsp[0].node), (yyvsp[-1].labelref));
+ else
+ ERROR(&(yylsp[-1]), "Label or path %s not found", (yyvsp[-1].labelref));
+ }
(yyval.node) = (yyvsp[-2].node);
}
-#line 1580 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1591 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 15:
-#line 192 "dtc-parser.y" /* yacc.c:1646 */
+#line 201 "dtc-parser.y" /* yacc.c:1646 */
{
struct node *target = get_node_by_ref((yyvsp[-3].node), (yyvsp[-1].labelref));
(yyval.node) = (yyvsp[-3].node);
}
-#line 1596 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1607 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 16:
-#line 207 "dtc-parser.y" /* yacc.c:1646 */
+#line 213 "dtc-parser.y" /* yacc.c:1646 */
{
- (yyval.node) = build_node((yyvsp[-3].proplist), (yyvsp[-2].nodelist));
+ /* build empty node */
+ (yyval.node) = name_node(build_node(NULL, NULL), "");
}
-#line 1604 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1616 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 17:
-#line 214 "dtc-parser.y" /* yacc.c:1646 */
+#line 221 "dtc-parser.y" /* yacc.c:1646 */
{
- (yyval.proplist) = NULL;
+ (yyval.node) = build_node((yyvsp[-3].proplist), (yyvsp[-2].nodelist));
}
-#line 1612 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1624 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 18:
-#line 218 "dtc-parser.y" /* yacc.c:1646 */
+#line 228 "dtc-parser.y" /* yacc.c:1646 */
{
- (yyval.proplist) = chain_property((yyvsp[0].prop), (yyvsp[-1].proplist));
+ (yyval.proplist) = NULL;
}
-#line 1620 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1632 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 19:
-#line 225 "dtc-parser.y" /* yacc.c:1646 */
+#line 232 "dtc-parser.y" /* yacc.c:1646 */
{
- (yyval.prop) = build_property((yyvsp[-3].propnodename), (yyvsp[-1].data));
+ (yyval.proplist) = chain_property((yyvsp[0].prop), (yyvsp[-1].proplist));
}
-#line 1628 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1640 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 20:
-#line 229 "dtc-parser.y" /* yacc.c:1646 */
+#line 239 "dtc-parser.y" /* yacc.c:1646 */
{
- (yyval.prop) = build_property((yyvsp[-1].propnodename), empty_data);
+ (yyval.prop) = build_property((yyvsp[-3].propnodename), (yyvsp[-1].data));
}
-#line 1636 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1648 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 21:
-#line 233 "dtc-parser.y" /* yacc.c:1646 */
+#line 243 "dtc-parser.y" /* yacc.c:1646 */
{
- (yyval.prop) = build_property_delete((yyvsp[-1].propnodename));
+ (yyval.prop) = build_property((yyvsp[-1].propnodename), empty_data);
}
-#line 1644 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1656 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 22:
-#line 237 "dtc-parser.y" /* yacc.c:1646 */
+#line 247 "dtc-parser.y" /* yacc.c:1646 */
+ {
+ (yyval.prop) = build_property_delete((yyvsp[-1].propnodename));
+ }
+#line 1664 "dtc-parser.tab.c" /* yacc.c:1646 */
+ break;
+
+ case 23:
+#line 251 "dtc-parser.y" /* yacc.c:1646 */
{
add_label(&(yyvsp[0].prop)->labels, (yyvsp[-1].labelref));
(yyval.prop) = (yyvsp[0].prop);
}
-#line 1653 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1673 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 23:
-#line 245 "dtc-parser.y" /* yacc.c:1646 */
+ case 24:
+#line 259 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_merge((yyvsp[-1].data), (yyvsp[0].data));
}
-#line 1661 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1681 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 24:
-#line 249 "dtc-parser.y" /* yacc.c:1646 */
+ case 25:
+#line 263 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_merge((yyvsp[-2].data), (yyvsp[-1].array).data);
}
-#line 1669 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1689 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 25:
-#line 253 "dtc-parser.y" /* yacc.c:1646 */
+ case 26:
+#line 267 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_merge((yyvsp[-3].data), (yyvsp[-1].data));
}
-#line 1677 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1697 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 26:
-#line 257 "dtc-parser.y" /* yacc.c:1646 */
+ case 27:
+#line 271 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), REF_PATH, (yyvsp[0].labelref));
}
-#line 1685 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1705 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 27:
-#line 261 "dtc-parser.y" /* yacc.c:1646 */
+ case 28:
+#line 275 "dtc-parser.y" /* yacc.c:1646 */
{
FILE *f = srcfile_relative_open((yyvsp[-5].data).val, NULL);
struct data d;
(yyval.data) = data_merge((yyvsp[-8].data), d);
fclose(f);
}
-#line 1705 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1725 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 28:
-#line 277 "dtc-parser.y" /* yacc.c:1646 */
+ case 29:
+#line 291 "dtc-parser.y" /* yacc.c:1646 */
{
FILE *f = srcfile_relative_open((yyvsp[-1].data).val, NULL);
struct data d = empty_data;
(yyval.data) = data_merge((yyvsp[-4].data), d);
fclose(f);
}
-#line 1719 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1739 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 29:
-#line 287 "dtc-parser.y" /* yacc.c:1646 */
+ case 30:
+#line 301 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
-#line 1727 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1747 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 30:
-#line 294 "dtc-parser.y" /* yacc.c:1646 */
+ case 31:
+#line 308 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = empty_data;
}
-#line 1735 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1755 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 31:
-#line 298 "dtc-parser.y" /* yacc.c:1646 */
+ case 32:
+#line 312 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = (yyvsp[-1].data);
}
-#line 1743 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1763 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 32:
-#line 302 "dtc-parser.y" /* yacc.c:1646 */
+ case 33:
+#line 316 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
-#line 1751 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1771 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 33:
-#line 309 "dtc-parser.y" /* yacc.c:1646 */
+ case 34:
+#line 323 "dtc-parser.y" /* yacc.c:1646 */
{
unsigned long long bits;
(yyval.array).data = empty_data;
(yyval.array).bits = bits;
}
-#line 1771 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1791 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 34:
-#line 325 "dtc-parser.y" /* yacc.c:1646 */
+ case 35:
+#line 339 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.array).data = empty_data;
(yyval.array).bits = 32;
}
-#line 1780 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1800 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 35:
-#line 330 "dtc-parser.y" /* yacc.c:1646 */
+ case 36:
+#line 344 "dtc-parser.y" /* yacc.c:1646 */
{
if ((yyvsp[-1].array).bits < 64) {
uint64_t mask = (1ULL << (yyvsp[-1].array).bits) - 1;
(yyval.array).data = data_append_integer((yyvsp[-1].array).data, (yyvsp[0].integer), (yyvsp[-1].array).bits);
}
-#line 1803 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1823 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 36:
-#line 349 "dtc-parser.y" /* yacc.c:1646 */
+ case 37:
+#line 363 "dtc-parser.y" /* yacc.c:1646 */
{
uint64_t val = ~0ULL >> (64 - (yyvsp[-1].array).bits);
(yyval.array).data = data_append_integer((yyvsp[-1].array).data, val, (yyvsp[-1].array).bits);
}
-#line 1821 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1841 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 37:
-#line 363 "dtc-parser.y" /* yacc.c:1646 */
+ case 38:
+#line 377 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.array).data = data_add_marker((yyvsp[-1].array).data, LABEL, (yyvsp[0].labelref));
}
-#line 1829 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1849 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 40:
-#line 372 "dtc-parser.y" /* yacc.c:1646 */
+ case 41:
+#line 386 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.integer) = (yyvsp[-1].integer);
}
-#line 1837 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1857 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 43:
-#line 383 "dtc-parser.y" /* yacc.c:1646 */
+ case 44:
+#line 397 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-4].integer) ? (yyvsp[-2].integer) : (yyvsp[0].integer); }
-#line 1843 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1863 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 45:
-#line 388 "dtc-parser.y" /* yacc.c:1646 */
+ case 46:
+#line 402 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) || (yyvsp[0].integer); }
-#line 1849 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1869 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 47:
-#line 393 "dtc-parser.y" /* yacc.c:1646 */
+ case 48:
+#line 407 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) && (yyvsp[0].integer); }
-#line 1855 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1875 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 49:
-#line 398 "dtc-parser.y" /* yacc.c:1646 */
+ case 50:
+#line 412 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) | (yyvsp[0].integer); }
-#line 1861 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1881 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 51:
-#line 403 "dtc-parser.y" /* yacc.c:1646 */
+ case 52:
+#line 417 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) ^ (yyvsp[0].integer); }
-#line 1867 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1887 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 53:
-#line 408 "dtc-parser.y" /* yacc.c:1646 */
+ case 54:
+#line 422 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) & (yyvsp[0].integer); }
-#line 1873 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1893 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 55:
-#line 413 "dtc-parser.y" /* yacc.c:1646 */
+ case 56:
+#line 427 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) == (yyvsp[0].integer); }
-#line 1879 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1899 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 56:
-#line 414 "dtc-parser.y" /* yacc.c:1646 */
+ case 57:
+#line 428 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) != (yyvsp[0].integer); }
-#line 1885 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1905 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 58:
-#line 419 "dtc-parser.y" /* yacc.c:1646 */
+ case 59:
+#line 433 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) < (yyvsp[0].integer); }
-#line 1891 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1911 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 59:
-#line 420 "dtc-parser.y" /* yacc.c:1646 */
+ case 60:
+#line 434 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) > (yyvsp[0].integer); }
-#line 1897 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1917 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 60:
-#line 421 "dtc-parser.y" /* yacc.c:1646 */
+ case 61:
+#line 435 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) <= (yyvsp[0].integer); }
-#line 1903 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1923 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 61:
-#line 422 "dtc-parser.y" /* yacc.c:1646 */
+ case 62:
+#line 436 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) >= (yyvsp[0].integer); }
-#line 1909 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1929 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 62:
-#line 426 "dtc-parser.y" /* yacc.c:1646 */
+ case 63:
+#line 440 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) << (yyvsp[0].integer); }
-#line 1915 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1935 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 63:
-#line 427 "dtc-parser.y" /* yacc.c:1646 */
+ case 64:
+#line 441 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) >> (yyvsp[0].integer); }
-#line 1921 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1941 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 65:
-#line 432 "dtc-parser.y" /* yacc.c:1646 */
+ case 66:
+#line 446 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) + (yyvsp[0].integer); }
-#line 1927 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1947 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 66:
-#line 433 "dtc-parser.y" /* yacc.c:1646 */
+ case 67:
+#line 447 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) - (yyvsp[0].integer); }
-#line 1933 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1953 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 68:
-#line 438 "dtc-parser.y" /* yacc.c:1646 */
+ case 69:
+#line 452 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) * (yyvsp[0].integer); }
-#line 1939 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1959 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 69:
-#line 440 "dtc-parser.y" /* yacc.c:1646 */
+ case 70:
+#line 454 "dtc-parser.y" /* yacc.c:1646 */
{
if ((yyvsp[0].integer) != 0) {
(yyval.integer) = (yyvsp[-2].integer) / (yyvsp[0].integer);
(yyval.integer) = 0;
}
}
-#line 1952 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1972 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 70:
-#line 449 "dtc-parser.y" /* yacc.c:1646 */
+ case 71:
+#line 463 "dtc-parser.y" /* yacc.c:1646 */
{
if ((yyvsp[0].integer) != 0) {
(yyval.integer) = (yyvsp[-2].integer) % (yyvsp[0].integer);
(yyval.integer) = 0;
}
}
-#line 1965 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1985 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 73:
-#line 462 "dtc-parser.y" /* yacc.c:1646 */
+ case 74:
+#line 476 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = -(yyvsp[0].integer); }
-#line 1971 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1991 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 74:
-#line 463 "dtc-parser.y" /* yacc.c:1646 */
+ case 75:
+#line 477 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = ~(yyvsp[0].integer); }
-#line 1977 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 1997 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 75:
-#line 464 "dtc-parser.y" /* yacc.c:1646 */
+ case 76:
+#line 478 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = !(yyvsp[0].integer); }
-#line 1983 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2003 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 76:
-#line 469 "dtc-parser.y" /* yacc.c:1646 */
+ case 77:
+#line 483 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = empty_data;
}
-#line 1991 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2011 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 77:
-#line 473 "dtc-parser.y" /* yacc.c:1646 */
+ case 78:
+#line 487 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_append_byte((yyvsp[-1].data), (yyvsp[0].byte));
}
-#line 1999 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2019 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 78:
-#line 477 "dtc-parser.y" /* yacc.c:1646 */
+ case 79:
+#line 491 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
-#line 2007 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2027 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 79:
-#line 484 "dtc-parser.y" /* yacc.c:1646 */
+ case 80:
+#line 498 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.nodelist) = NULL;
}
-#line 2015 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2035 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 80:
-#line 488 "dtc-parser.y" /* yacc.c:1646 */
+ case 81:
+#line 502 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.nodelist) = chain_node((yyvsp[-1].node), (yyvsp[0].nodelist));
}
-#line 2023 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2043 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 81:
-#line 492 "dtc-parser.y" /* yacc.c:1646 */
+ case 82:
+#line 506 "dtc-parser.y" /* yacc.c:1646 */
{
ERROR(&(yylsp[0]), "Properties must precede subnodes");
YYERROR;
}
-#line 2032 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2052 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 82:
-#line 500 "dtc-parser.y" /* yacc.c:1646 */
+ case 83:
+#line 514 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.node) = name_node((yyvsp[0].node), (yyvsp[-1].propnodename));
}
-#line 2040 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2060 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 83:
-#line 504 "dtc-parser.y" /* yacc.c:1646 */
+ case 84:
+#line 518 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.node) = name_node(build_node_delete(), (yyvsp[-1].propnodename));
}
-#line 2048 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2068 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
- case 84:
-#line 508 "dtc-parser.y" /* yacc.c:1646 */
+ case 85:
+#line 522 "dtc-parser.y" /* yacc.c:1646 */
{
add_label(&(yyvsp[0].node)->labels, (yyvsp[-1].labelref));
(yyval.node) = (yyvsp[0].node);
}
-#line 2057 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2077 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
-#line 2061 "dtc-parser.tab.c" /* yacc.c:1646 */
+#line 2081 "dtc-parser.tab.c" /* yacc.c:1646 */
default: break;
}
/* User semantic actions sometimes alter yychar, and that requires
#endif
return yyresult;
}
-#line 514 "dtc-parser.y" /* yacc.c:1906 */
+#line 528 "dtc-parser.y" /* yacc.c:1906 */
void yyerror(char const *s)
-/* A Bison parser, made by GNU Bison 3.0.2. */
+/* A Bison parser, made by GNU Bison 3.0.4. */
/* Bison interface for Yacc-like parsers in C
- Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-typedef union YYSTYPE YYSTYPE;
+
union YYSTYPE
{
#line 39 "dtc-parser.y" /* yacc.c:1909 */
#line 99 "dtc-parser.tab.h" /* yacc.c:1909 */
};
+
+typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif
{
struct node *target = get_node_by_ref($1, $2);
- if (target)
+ if (target) {
merge_nodes(target, $3);
- else
- ERROR(&@2, "Label or path %s not found", $2);
+ } else {
+ /*
+ * We rely on the rule being always:
+ * versioninfo plugindecl memreserves devicetree
+ * so $-1 is what we want (plugindecl)
+ */
+ if ($<flags>-1 & DTSF_PLUGIN)
+ add_orphan_node($1, $3, $2);
+ else
+ ERROR(&@2, "Label or path %s not found", $2);
+ }
$$ = $1;
}
| devicetree DT_DEL_NODE DT_REF ';'
$$ = $1;
}
+ | /* empty */
+ {
+ /* build empty node */
+ $$ = name_node(build_node(NULL, NULL), "");
+ }
;
nodedef:
struct node *name_node(struct node *node, char *name);
struct node *chain_node(struct node *first, struct node *list);
struct node *merge_nodes(struct node *old_node, struct node *new_node);
+void add_orphan_node(struct node *old_node, struct node *new_node, char *ref);
void add_property(struct node *node, struct property *prop);
void delete_property_by_name(struct node *node, char *name);
const char *get_unitname(struct node *node);
struct property *get_property(struct node *node, const char *propname);
cell_t propval_cell(struct property *prop);
+cell_t propval_cell_n(struct property *prop, int n);
struct property *get_property_by_label(struct node *tree, const char *label,
struct node **node);
struct marker *get_marker_label(struct node *tree, const char *label,
--- /dev/null
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2014 David Gibson <david@gibson.dropbear.id.au>
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ * a) This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ * b) Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+int fdt_address_cells(const void *fdt, int nodeoffset)
+{
+ const fdt32_t *ac;
+ int val;
+ int len;
+
+ ac = fdt_getprop(fdt, nodeoffset, "#address-cells", &len);
+ if (!ac)
+ return 2;
+
+ if (len != sizeof(*ac))
+ return -FDT_ERR_BADNCELLS;
+
+ val = fdt32_to_cpu(*ac);
+ if ((val <= 0) || (val > FDT_MAX_NCELLS))
+ return -FDT_ERR_BADNCELLS;
+
+ return val;
+}
+
+int fdt_size_cells(const void *fdt, int nodeoffset)
+{
+ const fdt32_t *sc;
+ int val;
+ int len;
+
+ sc = fdt_getprop(fdt, nodeoffset, "#size-cells", &len);
+ if (!sc)
+ return 2;
+
+ if (len != sizeof(*sc))
+ return -FDT_ERR_BADNCELLS;
+
+ val = fdt32_to_cpu(*sc);
+ if ((val < 0) || (val > FDT_MAX_NCELLS))
+ return -FDT_ERR_BADNCELLS;
+
+ return val;
+}
--- /dev/null
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+/**
+ * overlay_get_target_phandle - retrieves the target phandle of a fragment
+ * @fdto: pointer to the device tree overlay blob
+ * @fragment: node offset of the fragment in the overlay
+ *
+ * overlay_get_target_phandle() retrieves the target phandle of an
+ * overlay fragment when that fragment uses a phandle (target
+ * property) instead of a path (target-path property).
+ *
+ * returns:
+ * the phandle pointed by the target property
+ * 0, if the phandle was not found
+ * -1, if the phandle was malformed
+ */
+static uint32_t overlay_get_target_phandle(const void *fdto, int fragment)
+{
+ const fdt32_t *val;
+ int len;
+
+ val = fdt_getprop(fdto, fragment, "target", &len);
+ if (!val)
+ return 0;
+
+ if ((len != sizeof(*val)) || (fdt32_to_cpu(*val) == (uint32_t)-1))
+ return (uint32_t)-1;
+
+ return fdt32_to_cpu(*val);
+}
+
+/**
+ * overlay_get_target - retrieves the offset of a fragment's target
+ * @fdt: Base device tree blob
+ * @fdto: Device tree overlay blob
+ * @fragment: node offset of the fragment in the overlay
+ * @pathp: pointer which receives the path of the target (or NULL)
+ *
+ * overlay_get_target() retrieves the target offset in the base
+ * device tree of a fragment, no matter how the actual targetting is
+ * done (through a phandle or a path)
+ *
+ * returns:
+ * the targetted node offset in the base device tree
+ * Negative error code on error
+ */
+static int overlay_get_target(const void *fdt, const void *fdto,
+ int fragment, char const **pathp)
+{
+ uint32_t phandle;
+ const char *path = NULL;
+ int path_len = 0, ret;
+
+ /* Try first to do a phandle based lookup */
+ phandle = overlay_get_target_phandle(fdto, fragment);
+ if (phandle == (uint32_t)-1)
+ return -FDT_ERR_BADPHANDLE;
+
+ /* no phandle, try path */
+ if (!phandle) {
+ /* And then a path based lookup */
+ path = fdt_getprop(fdto, fragment, "target-path", &path_len);
+ if (path)
+ ret = fdt_path_offset(fdt, path);
+ else
+ ret = path_len;
+ } else
+ ret = fdt_node_offset_by_phandle(fdt, phandle);
+
+ /*
+ * If we haven't found either a target or a
+ * target-path property in a node that contains a
+ * __overlay__ subnode (we wouldn't be called
+ * otherwise), consider it a improperly written
+ * overlay
+ */
+ if (ret < 0 && path_len == -FDT_ERR_NOTFOUND)
+ ret = -FDT_ERR_BADOVERLAY;
+
+ /* return on error */
+ if (ret < 0)
+ return ret;
+
+ /* return pointer to path (if available) */
+ if (pathp)
+ *pathp = path ? path : NULL;
+
+ return ret;
+}
+
+/**
+ * overlay_phandle_add_offset - Increases a phandle by an offset
+ * @fdt: Base device tree blob
+ * @node: Device tree overlay blob
+ * @name: Name of the property to modify (phandle or linux,phandle)
+ * @delta: offset to apply
+ *
+ * overlay_phandle_add_offset() increments a node phandle by a given
+ * offset.
+ *
+ * returns:
+ * 0 on success.
+ * Negative error code on error
+ */
+static int overlay_phandle_add_offset(void *fdt, int node,
+ const char *name, uint32_t delta)
+{
+ const fdt32_t *val;
+ uint32_t adj_val;
+ int len;
+
+ val = fdt_getprop(fdt, node, name, &len);
+ if (!val)
+ return len;
+
+ if (len != sizeof(*val))
+ return -FDT_ERR_BADPHANDLE;
+
+ adj_val = fdt32_to_cpu(*val);
+ if ((adj_val + delta) < adj_val)
+ return -FDT_ERR_NOPHANDLES;
+
+ adj_val += delta;
+ if (adj_val == (uint32_t)-1)
+ return -FDT_ERR_NOPHANDLES;
+
+ return fdt_setprop_inplace_u32(fdt, node, name, adj_val);
+}
+
+/**
+ * overlay_adjust_node_phandles - Offsets the phandles of a node
+ * @fdto: Device tree overlay blob
+ * @node: Offset of the node we want to adjust
+ * @delta: Offset to shift the phandles of
+ *
+ * overlay_adjust_node_phandles() adds a constant to all the phandles
+ * of a given node. This is mainly use as part of the overlay
+ * application process, when we want to update all the overlay
+ * phandles to not conflict with the overlays of the base device tree.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_adjust_node_phandles(void *fdto, int node,
+ uint32_t delta)
+{
+ int child;
+ int ret;
+
+ ret = overlay_phandle_add_offset(fdto, node, "phandle", delta);
+ if (ret && ret != -FDT_ERR_NOTFOUND)
+ return ret;
+
+ ret = overlay_phandle_add_offset(fdto, node, "linux,phandle", delta);
+ if (ret && ret != -FDT_ERR_NOTFOUND)
+ return ret;
+
+ fdt_for_each_subnode(child, fdto, node) {
+ ret = overlay_adjust_node_phandles(fdto, child, delta);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * overlay_adjust_local_phandles - Adjust the phandles of a whole overlay
+ * @fdto: Device tree overlay blob
+ * @delta: Offset to shift the phandles of
+ *
+ * overlay_adjust_local_phandles() adds a constant to all the
+ * phandles of an overlay. This is mainly use as part of the overlay
+ * application process, when we want to update all the overlay
+ * phandles to not conflict with the overlays of the base device tree.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_adjust_local_phandles(void *fdto, uint32_t delta)
+{
+ /*
+ * Start adjusting the phandles from the overlay root
+ */
+ return overlay_adjust_node_phandles(fdto, 0, delta);
+}
+
+/**
+ * overlay_update_local_node_references - Adjust the overlay references
+ * @fdto: Device tree overlay blob
+ * @tree_node: Node offset of the node to operate on
+ * @fixup_node: Node offset of the matching local fixups node
+ * @delta: Offset to shift the phandles of
+ *
+ * overlay_update_local_nodes_references() update the phandles
+ * pointing to a node within the device tree overlay by adding a
+ * constant delta.
+ *
+ * This is mainly used as part of a device tree application process,
+ * where you want the device tree overlays phandles to not conflict
+ * with the ones from the base device tree before merging them.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_update_local_node_references(void *fdto,
+ int tree_node,
+ int fixup_node,
+ uint32_t delta)
+{
+ int fixup_prop;
+ int fixup_child;
+ int ret;
+
+ fdt_for_each_property_offset(fixup_prop, fdto, fixup_node) {
+ const fdt32_t *fixup_val;
+ const char *tree_val;
+ const char *name;
+ int fixup_len;
+ int tree_len;
+ int i;
+
+ fixup_val = fdt_getprop_by_offset(fdto, fixup_prop,
+ &name, &fixup_len);
+ if (!fixup_val)
+ return fixup_len;
+
+ if (fixup_len % sizeof(uint32_t))
+ return -FDT_ERR_BADOVERLAY;
+
+ tree_val = fdt_getprop(fdto, tree_node, name, &tree_len);
+ if (!tree_val) {
+ if (tree_len == -FDT_ERR_NOTFOUND)
+ return -FDT_ERR_BADOVERLAY;
+
+ return tree_len;
+ }
+
+ for (i = 0; i < (fixup_len / sizeof(uint32_t)); i++) {
+ fdt32_t adj_val;
+ uint32_t poffset;
+
+ poffset = fdt32_to_cpu(fixup_val[i]);
+
+ /*
+ * phandles to fixup can be unaligned.
+ *
+ * Use a memcpy for the architectures that do
+ * not support unaligned accesses.
+ */
+ memcpy(&adj_val, tree_val + poffset, sizeof(adj_val));
+
+ adj_val = cpu_to_fdt32(fdt32_to_cpu(adj_val) + delta);
+
+ ret = fdt_setprop_inplace_namelen_partial(fdto,
+ tree_node,
+ name,
+ strlen(name),
+ poffset,
+ &adj_val,
+ sizeof(adj_val));
+ if (ret == -FDT_ERR_NOSPACE)
+ return -FDT_ERR_BADOVERLAY;
+
+ if (ret)
+ return ret;
+ }
+ }
+
+ fdt_for_each_subnode(fixup_child, fdto, fixup_node) {
+ const char *fixup_child_name = fdt_get_name(fdto, fixup_child,
+ NULL);
+ int tree_child;
+
+ tree_child = fdt_subnode_offset(fdto, tree_node,
+ fixup_child_name);
+ if (tree_child == -FDT_ERR_NOTFOUND)
+ return -FDT_ERR_BADOVERLAY;
+ if (tree_child < 0)
+ return tree_child;
+
+ ret = overlay_update_local_node_references(fdto,
+ tree_child,
+ fixup_child,
+ delta);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * overlay_update_local_references - Adjust the overlay references
+ * @fdto: Device tree overlay blob
+ * @delta: Offset to shift the phandles of
+ *
+ * overlay_update_local_references() update all the phandles pointing
+ * to a node within the device tree overlay by adding a constant
+ * delta to not conflict with the base overlay.
+ *
+ * This is mainly used as part of a device tree application process,
+ * where you want the device tree overlays phandles to not conflict
+ * with the ones from the base device tree before merging them.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_update_local_references(void *fdto, uint32_t delta)
+{
+ int fixups;
+
+ fixups = fdt_path_offset(fdto, "/__local_fixups__");
+ if (fixups < 0) {
+ /* There's no local phandles to adjust, bail out */
+ if (fixups == -FDT_ERR_NOTFOUND)
+ return 0;
+
+ return fixups;
+ }
+
+ /*
+ * Update our local references from the root of the tree
+ */
+ return overlay_update_local_node_references(fdto, 0, fixups,
+ delta);
+}
+
+/**
+ * overlay_fixup_one_phandle - Set an overlay phandle to the base one
+ * @fdt: Base Device Tree blob
+ * @fdto: Device tree overlay blob
+ * @symbols_off: Node offset of the symbols node in the base device tree
+ * @path: Path to a node holding a phandle in the overlay
+ * @path_len: number of path characters to consider
+ * @name: Name of the property holding the phandle reference in the overlay
+ * @name_len: number of name characters to consider
+ * @poffset: Offset within the overlay property where the phandle is stored
+ * @label: Label of the node referenced by the phandle
+ *
+ * overlay_fixup_one_phandle() resolves an overlay phandle pointing to
+ * a node in the base device tree.
+ *
+ * This is part of the device tree overlay application process, when
+ * you want all the phandles in the overlay to point to the actual
+ * base dt nodes.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_fixup_one_phandle(void *fdt, void *fdto,
+ int symbols_off,
+ const char *path, uint32_t path_len,
+ const char *name, uint32_t name_len,
+ int poffset, const char *label)
+{
+ const char *symbol_path;
+ uint32_t phandle;
+ fdt32_t phandle_prop;
+ int symbol_off, fixup_off;
+ int prop_len;
+
+ if (symbols_off < 0)
+ return symbols_off;
+
+ symbol_path = fdt_getprop(fdt, symbols_off, label,
+ &prop_len);
+ if (!symbol_path)
+ return prop_len;
+
+ symbol_off = fdt_path_offset(fdt, symbol_path);
+ if (symbol_off < 0)
+ return symbol_off;
+
+ phandle = fdt_get_phandle(fdt, symbol_off);
+ if (!phandle)
+ return -FDT_ERR_NOTFOUND;
+
+ fixup_off = fdt_path_offset_namelen(fdto, path, path_len);
+ if (fixup_off == -FDT_ERR_NOTFOUND)
+ return -FDT_ERR_BADOVERLAY;
+ if (fixup_off < 0)
+ return fixup_off;
+
+ phandle_prop = cpu_to_fdt32(phandle);
+ return fdt_setprop_inplace_namelen_partial(fdto, fixup_off,
+ name, name_len, poffset,
+ &phandle_prop,
+ sizeof(phandle_prop));
+};
+
+/**
+ * overlay_fixup_phandle - Set an overlay phandle to the base one
+ * @fdt: Base Device Tree blob
+ * @fdto: Device tree overlay blob
+ * @symbols_off: Node offset of the symbols node in the base device tree
+ * @property: Property offset in the overlay holding the list of fixups
+ *
+ * overlay_fixup_phandle() resolves all the overlay phandles pointed
+ * to in a __fixups__ property, and updates them to match the phandles
+ * in use in the base device tree.
+ *
+ * This is part of the device tree overlay application process, when
+ * you want all the phandles in the overlay to point to the actual
+ * base dt nodes.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_fixup_phandle(void *fdt, void *fdto, int symbols_off,
+ int property)
+{
+ const char *value;
+ const char *label;
+ int len;
+
+ value = fdt_getprop_by_offset(fdto, property,
+ &label, &len);
+ if (!value) {
+ if (len == -FDT_ERR_NOTFOUND)
+ return -FDT_ERR_INTERNAL;
+
+ return len;
+ }
+
+ do {
+ const char *path, *name, *fixup_end;
+ const char *fixup_str = value;
+ uint32_t path_len, name_len;
+ uint32_t fixup_len;
+ char *sep, *endptr;
+ int poffset, ret;
+
+ fixup_end = memchr(value, '\0', len);
+ if (!fixup_end)
+ return -FDT_ERR_BADOVERLAY;
+ fixup_len = fixup_end - fixup_str;
+
+ len -= fixup_len + 1;
+ value += fixup_len + 1;
+
+ path = fixup_str;
+ sep = memchr(fixup_str, ':', fixup_len);
+ if (!sep || *sep != ':')
+ return -FDT_ERR_BADOVERLAY;
+
+ path_len = sep - path;
+ if (path_len == (fixup_len - 1))
+ return -FDT_ERR_BADOVERLAY;
+
+ fixup_len -= path_len + 1;
+ name = sep + 1;
+ sep = memchr(name, ':', fixup_len);
+ if (!sep || *sep != ':')
+ return -FDT_ERR_BADOVERLAY;
+
+ name_len = sep - name;
+ if (!name_len)
+ return -FDT_ERR_BADOVERLAY;
+
+ poffset = strtoul(sep + 1, &endptr, 10);
+ if ((*endptr != '\0') || (endptr <= (sep + 1)))
+ return -FDT_ERR_BADOVERLAY;
+
+ ret = overlay_fixup_one_phandle(fdt, fdto, symbols_off,
+ path, path_len, name, name_len,
+ poffset, label);
+ if (ret)
+ return ret;
+ } while (len > 0);
+
+ return 0;
+}
+
+/**
+ * overlay_fixup_phandles - Resolve the overlay phandles to the base
+ * device tree
+ * @fdt: Base Device Tree blob
+ * @fdto: Device tree overlay blob
+ *
+ * overlay_fixup_phandles() resolves all the overlay phandles pointing
+ * to nodes in the base device tree.
+ *
+ * This is one of the steps of the device tree overlay application
+ * process, when you want all the phandles in the overlay to point to
+ * the actual base dt nodes.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_fixup_phandles(void *fdt, void *fdto)
+{
+ int fixups_off, symbols_off;
+ int property;
+
+ /* We can have overlays without any fixups */
+ fixups_off = fdt_path_offset(fdto, "/__fixups__");
+ if (fixups_off == -FDT_ERR_NOTFOUND)
+ return 0; /* nothing to do */
+ if (fixups_off < 0)
+ return fixups_off;
+
+ /* And base DTs without symbols */
+ symbols_off = fdt_path_offset(fdt, "/__symbols__");
+ if ((symbols_off < 0 && (symbols_off != -FDT_ERR_NOTFOUND)))
+ return symbols_off;
+
+ fdt_for_each_property_offset(property, fdto, fixups_off) {
+ int ret;
+
+ ret = overlay_fixup_phandle(fdt, fdto, symbols_off, property);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * overlay_apply_node - Merges a node into the base device tree
+ * @fdt: Base Device Tree blob
+ * @target: Node offset in the base device tree to apply the fragment to
+ * @fdto: Device tree overlay blob
+ * @node: Node offset in the overlay holding the changes to merge
+ *
+ * overlay_apply_node() merges a node into a target base device tree
+ * node pointed.
+ *
+ * This is part of the final step in the device tree overlay
+ * application process, when all the phandles have been adjusted and
+ * resolved and you just have to merge overlay into the base device
+ * tree.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_apply_node(void *fdt, int target,
+ void *fdto, int node)
+{
+ int property;
+ int subnode;
+
+ fdt_for_each_property_offset(property, fdto, node) {
+ const char *name;
+ const void *prop;
+ int prop_len;
+ int ret;
+
+ prop = fdt_getprop_by_offset(fdto, property, &name,
+ &prop_len);
+ if (prop_len == -FDT_ERR_NOTFOUND)
+ return -FDT_ERR_INTERNAL;
+ if (prop_len < 0)
+ return prop_len;
+
+ ret = fdt_setprop(fdt, target, name, prop, prop_len);
+ if (ret)
+ return ret;
+ }
+
+ fdt_for_each_subnode(subnode, fdto, node) {
+ const char *name = fdt_get_name(fdto, subnode, NULL);
+ int nnode;
+ int ret;
+
+ nnode = fdt_add_subnode(fdt, target, name);
+ if (nnode == -FDT_ERR_EXISTS) {
+ nnode = fdt_subnode_offset(fdt, target, name);
+ if (nnode == -FDT_ERR_NOTFOUND)
+ return -FDT_ERR_INTERNAL;
+ }
+
+ if (nnode < 0)
+ return nnode;
+
+ ret = overlay_apply_node(fdt, nnode, fdto, subnode);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * overlay_merge - Merge an overlay into its base device tree
+ * @fdt: Base Device Tree blob
+ * @fdto: Device tree overlay blob
+ *
+ * overlay_merge() merges an overlay into its base device tree.
+ *
+ * This is the next to last step in the device tree overlay application
+ * process, when all the phandles have been adjusted and resolved and
+ * you just have to merge overlay into the base device tree.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_merge(void *fdt, void *fdto)
+{
+ int fragment;
+
+ fdt_for_each_subnode(fragment, fdto, 0) {
+ int overlay;
+ int target;
+ int ret;
+
+ /*
+ * Each fragments will have an __overlay__ node. If
+ * they don't, it's not supposed to be merged
+ */
+ overlay = fdt_subnode_offset(fdto, fragment, "__overlay__");
+ if (overlay == -FDT_ERR_NOTFOUND)
+ continue;
+
+ if (overlay < 0)
+ return overlay;
+
+ target = overlay_get_target(fdt, fdto, fragment, NULL);
+ if (target < 0)
+ return target;
+
+ ret = overlay_apply_node(fdt, target, fdto, overlay);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int get_path_len(const void *fdt, int nodeoffset)
+{
+ int len = 0, namelen;
+ const char *name;
+
+ FDT_CHECK_HEADER(fdt);
+
+ for (;;) {
+ name = fdt_get_name(fdt, nodeoffset, &namelen);
+ if (!name)
+ return namelen;
+
+ /* root? we're done */
+ if (namelen == 0)
+ break;
+
+ nodeoffset = fdt_parent_offset(fdt, nodeoffset);
+ if (nodeoffset < 0)
+ return nodeoffset;
+ len += namelen + 1;
+ }
+
+ /* in case of root pretend it's "/" */
+ if (len == 0)
+ len++;
+ return len;
+}
+
+/**
+ * overlay_symbol_update - Update the symbols of base tree after a merge
+ * @fdt: Base Device Tree blob
+ * @fdto: Device tree overlay blob
+ *
+ * overlay_symbol_update() updates the symbols of the base tree with the
+ * symbols of the applied overlay
+ *
+ * This is the last step in the device tree overlay application
+ * process, allowing the reference of overlay symbols by subsequent
+ * overlay operations.
+ *
+ * returns:
+ * 0 on success
+ * Negative error code on failure
+ */
+static int overlay_symbol_update(void *fdt, void *fdto)
+{
+ int root_sym, ov_sym, prop, path_len, fragment, target;
+ int len, frag_name_len, ret, rel_path_len;
+ const char *s, *e;
+ const char *path;
+ const char *name;
+ const char *frag_name;
+ const char *rel_path;
+ const char *target_path;
+ char *buf;
+ void *p;
+
+ ov_sym = fdt_subnode_offset(fdto, 0, "__symbols__");
+
+ /* if no overlay symbols exist no problem */
+ if (ov_sym < 0)
+ return 0;
+
+ root_sym = fdt_subnode_offset(fdt, 0, "__symbols__");
+
+ /* it no root symbols exist we should create them */
+ if (root_sym == -FDT_ERR_NOTFOUND)
+ root_sym = fdt_add_subnode(fdt, 0, "__symbols__");
+
+ /* any error is fatal now */
+ if (root_sym < 0)
+ return root_sym;
+
+ /* iterate over each overlay symbol */
+ fdt_for_each_property_offset(prop, fdto, ov_sym) {
+ path = fdt_getprop_by_offset(fdto, prop, &name, &path_len);
+ if (!path)
+ return path_len;
+
+ /* verify it's a string property (terminated by a single \0) */
+ if (path_len < 1 || memchr(path, '\0', path_len) != &path[path_len - 1])
+ return -FDT_ERR_BADVALUE;
+
+ /* keep end marker to avoid strlen() */
+ e = path + path_len;
+
+ /* format: /<fragment-name>/__overlay__/<relative-subnode-path> */
+
+ if (*path != '/')
+ return -FDT_ERR_BADVALUE;
+
+ /* get fragment name first */
+ s = strchr(path + 1, '/');
+ if (!s)
+ return -FDT_ERR_BADOVERLAY;
+
+ frag_name = path + 1;
+ frag_name_len = s - path - 1;
+
+ /* verify format; safe since "s" lies in \0 terminated prop */
+ len = sizeof("/__overlay__/") - 1;
+ if ((e - s) < len || memcmp(s, "/__overlay__/", len))
+ return -FDT_ERR_BADOVERLAY;
+
+ rel_path = s + len;
+ rel_path_len = e - rel_path;
+
+ /* find the fragment index in which the symbol lies */
+ ret = fdt_subnode_offset_namelen(fdto, 0, frag_name,
+ frag_name_len);
+ /* not found? */
+ if (ret < 0)
+ return -FDT_ERR_BADOVERLAY;
+ fragment = ret;
+
+ /* an __overlay__ subnode must exist */
+ ret = fdt_subnode_offset(fdto, fragment, "__overlay__");
+ if (ret < 0)
+ return -FDT_ERR_BADOVERLAY;
+
+ /* get the target of the fragment */
+ ret = overlay_get_target(fdt, fdto, fragment, &target_path);
+ if (ret < 0)
+ return ret;
+ target = ret;
+
+ /* if we have a target path use */
+ if (!target_path) {
+ ret = get_path_len(fdt, target);
+ if (ret < 0)
+ return ret;
+ len = ret;
+ } else {
+ len = strlen(target_path);
+ }
+
+ ret = fdt_setprop_placeholder(fdt, root_sym, name,
+ len + (len > 1) + rel_path_len + 1, &p);
+ if (ret < 0)
+ return ret;
+
+ if (!target_path) {
+ /* again in case setprop_placeholder changed it */
+ ret = overlay_get_target(fdt, fdto, fragment, &target_path);
+ if (ret < 0)
+ return ret;
+ target = ret;
+ }
+
+ buf = p;
+ if (len > 1) { /* target is not root */
+ if (!target_path) {
+ ret = fdt_get_path(fdt, target, buf, len + 1);
+ if (ret < 0)
+ return ret;
+ } else
+ memcpy(buf, target_path, len + 1);
+
+ } else
+ len--;
+
+ buf[len] = '/';
+ memcpy(buf + len + 1, rel_path, rel_path_len);
+ buf[len + 1 + rel_path_len] = '\0';
+ }
+
+ return 0;
+}
+
+int fdt_overlay_apply(void *fdt, void *fdto)
+{
+ uint32_t delta = fdt_get_max_phandle(fdt);
+ int ret;
+
+ FDT_CHECK_HEADER(fdt);
+ FDT_CHECK_HEADER(fdto);
+
+ ret = overlay_adjust_local_phandles(fdto, delta);
+ if (ret)
+ goto err;
+
+ ret = overlay_update_local_references(fdto, delta);
+ if (ret)
+ goto err;
+
+ ret = overlay_fixup_phandles(fdt, fdto);
+ if (ret)
+ goto err;
+
+ ret = overlay_merge(fdt, fdto);
+ if (ret)
+ goto err;
+
+ ret = overlay_symbol_update(fdt, fdto);
+ if (ret)
+ goto err;
+
+ /*
+ * The overlay has been damaged, erase its magic.
+ */
+ fdt_set_magic(fdto, ~0);
+
+ return 0;
+
+err:
+ /*
+ * The overlay might have been damaged, erase its magic.
+ */
+ fdt_set_magic(fdto, ~0);
+
+ /*
+ * The base device tree might have been damaged, erase its
+ * magic.
+ */
+ fdt_set_magic(fdt, ~0);
+
+ return ret;
+}
return old_node;
}
+void add_orphan_node(struct node *dt, struct node *new_node, char *ref)
+{
+ static unsigned int next_orphan_fragment = 0;
+ struct node *node;
+ struct property *p;
+ struct data d = empty_data;
+ char *name;
+
+ d = data_add_marker(d, REF_PHANDLE, ref);
+ d = data_append_integer(d, 0xffffffff, 32);
+
+ p = build_property("target", d);
+
+ xasprintf(&name, "fragment@%u",
+ next_orphan_fragment++);
+ name_node(new_node, "__overlay__");
+ node = build_node(p, new_node);
+ name_node(node, name);
+
+ add_child(dt, node);
+}
+
struct node *chain_node(struct node *first, struct node *list)
{
assert(first->next_sibling == NULL);
return fdt32_to_cpu(*((fdt32_t *)prop->val.val));
}
+cell_t propval_cell_n(struct property *prop, int n)
+{
+ assert(prop->val.len / sizeof(cell_t) >= n);
+ return fdt32_to_cpu(*((fdt32_t *)prop->val.val + n));
+}
+
struct property *get_property_by_label(struct node *tree, const char *label,
struct node **node)
{
-#define DTC_VERSION "DTC 1.4.4-gfe50bd1e"
+#define DTC_VERSION "DTC 1.4.5-gb1a60033"
projects / u-boot / commitdiff