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scripts/dtc: Update to upstream version v1.4.5-3-gb1a60033c110

Browse Source 
This adds the following commits from upstream:

b1a60033c110 tests: Add a test for overlays syntactic sugar
737b2df39cc8 overlay: Add syntactic sugar version of overlays
497432fd2131 checks: Use proper format modifier for size_t
22a65c5331c2 dtc: Bump version to v1.4.5
c575d8059fff Add fdtoverlay to .gitignore
b6a6f9490d19 fdtoverlay: Sanity check blob size
8c1eb1526d2d pylibfdt: Use Python2 explicitly
ee3d26f6960b checks: add interrupts property check
c1e7738988f5 checks: add gpio binding properties check
b3bbac02d5e3 checks: add phandle with arg property checks
fe50bd1ecc1d fdtget: Split out cell list display into a new function
62d812308d11 README: Add a note about test_tree1.dts
5bed86aee9e8 pylibfdt: Add support for fdt_subnode_offset()
46f31b65b3b3 pylibfdt: Add support for fdt_node_offset_by_phandle()
a3ae43723687 pylibfdt: Add support for fdt_parent_offset()
a198af80344c pylibfdt: Add support for fdt_get_phandle()
b9eba92ea50f tests: Return a failure code when any tests fail
155faf6cc209 pylibfdt: Use local pylibfdt module
50e5cd07f325 pylibfdt: Add a test for use of uint32_t
ab78860f09f5 pylibfdt: Add stdint include to fix uint32_t
36f511fb1113 tests: Add stacked overlay tests on fdtoverlay
1bb00655d3e5 fdt: Allow stacked overlays phandle references
a33c2247ac8d Introduce fdt_setprop_placeholder() method
0016f8c2aa32 dtc: change default phandles to ePAPR style instead of both
e3b9a9588a35 tests: fdtoverlay unit test
42409146f2db fdtoverlay: A tool that applies overlays
aae22722fc8d manual: Document missing options
13ce6e1c2fc4 dtc: fix sprintf() format string error, again
d990b8013889 Makefile: Fix build on MSYS2 and Cygwin
51f56dedf8ea Clean up shared library compile/link options
21a2bc896e3d Suppress expected error message in fdtdump test
2a42b14d0d03 dtc: check.c fix compile error
a10cb3c818d3 Fix get_node_by_path string equality check
548aea2c436a fdtdump: Discourage use of fdtdump
c2258841a785 fdtdump: Fix over-zealous version check
9067ee4be0e6 Fix a few whitespace and style nits
e56f2b07be38 pylibfdt: Use setup.py to build the swig file
896f1c133265 pylibfdt: Use Makefile constructs to implement NO_PYTHON
90db6d9989ca pylibfdt: Allow setup.py to operate stand-alone
e20d9658cd8f Add Coverity Scan support
b04a2cf08862 pylibfdt: Fix code style in setup.py
1c5170d3a466 pylibfdt: Rename libfdt.swig to libfdt.i
580a9f6c2880 Add a libfdt function to write a property placeholder
ab15256d8d02 pylibfdt: Use the call function to simplify the Makefile
9f2e3a3a1f19 pylibfdt: Use the correct libfdt version in the module
e91c652af215 pylibfdt: Enable installation of Python module
8a892fd85d94 pylibfdt: Allow building to be disabled
741cdff85d3e .travis.yml: Add builds with and without Python library prerequisites
14c4171f4f9a pylibfdt: Use package_dir to set the package directory
89a5062ab231 pylibfdt: Use environment to pass C flags and files
4e0e0d049757 pylibfdt: Allow pkg-config to be supplied in the environment
6afd7d9688f5 Correct typo: s/pylibgfdt/pylibfdt/

Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2017-10-03 11:37:04 -05:00
parent 4322323058
commit 4201d057ea
16 changed files with 1640 additions and 267 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

282
scripts/dtc/checks.c
View File

@ -873,7 +873,7 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no
while (size--)
reg = (reg << 32) | fdt32_to_cpu(*(cells++));
snprintf(unit_addr, sizeof(unit_addr), "%llx", (unsigned long long)reg);
snprintf(unit_addr, sizeof(unit_addr), "%"PRIx64, reg);
if (!streq(unitname, unit_addr))
FAIL(c, dti, "Node %s simple-bus unit address format error, expected \"%s\"",
node->fullpath, unit_addr);
@ -956,6 +956,265 @@ static void check_obsolete_chosen_interrupt_controller(struct check *c,
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,
@ -987,6 +1246,27 @@ static struct check *check_table[] = {
&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,
};

10
scripts/dtc/dtc-lexer.lex.c_shipped
View File

@ -1397,7 +1397,7 @@ static int yy_get_next_buffer (void)
{
char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
char *source = (yytext_ptr);
yy_size_t number_to_move, i;
int number_to_move, i;
int ret_val;
if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
@ -1426,7 +1426,7 @@ static int yy_get_next_buffer (void)
/* Try to read more data. */
/* First move last chars to start of buffer. */
number_to_move = (yy_size_t) ((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++);
@ -1508,7 +1508,7 @@ static int yy_get_next_buffer (void)
else
ret_val = EOB_ACT_CONTINUE_SCAN;
if ((int) ((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. */
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 );
@ -1987,10 +1987,10 @@ YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len )
YY_BUFFER_STATE b;
char *buf;
yy_size_t n;
yy_size_t i;
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = (yy_size_t) _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()" );

504
scripts/dtc/dtc-parser.tab.c_shipped
View File

@ -448,7 +448,7 @@ union yyalloc
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 30
/* YYNRULES -- Number of rules. */
#define YYNRULES 84
#define YYNRULES 85
/* YYNSTATES -- Number of states. */
#define YYNSTATES 149
@ -499,14 +499,14 @@ static const yytype_uint8 yytranslate[] =
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
@ -582,20 +582,20 @@ static const yytype_int8 yypact[] =
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]. */
@ -678,28 +678,28 @@ static const yytype_uint8 yystos[] =
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
};
@ -1572,17 +1572,26 @@ yyreduce:
{
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 1582 "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));
@ -1594,100 +1603,109 @@ yyreduce:
(yyval.node) = (yyvsp[-3].node);
}
#line 1598 "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 1606 "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 1614 "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 1622 "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 1630 "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 1638 "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 1646 "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 1655 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 23:
#line 245 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_merge((yyvsp[-1].data), (yyvsp[0].data));
}
#line 1663 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 1673 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 24:
#line 249 "dtc-parser.y" /* yacc.c:1646 */
#line 259 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_merge((yyvsp[-2].data), (yyvsp[-1].array).data);
(yyval.data) = data_merge((yyvsp[-1].data), (yyvsp[0].data));
}
#line 1671 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 1681 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 25:
#line 253 "dtc-parser.y" /* yacc.c:1646 */
#line 263 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_merge((yyvsp[-3].data), (yyvsp[-1].data));
(yyval.data) = data_merge((yyvsp[-2].data), (yyvsp[-1].array).data);
}
#line 1679 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 1689 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 26:
#line 257 "dtc-parser.y" /* yacc.c:1646 */
#line 267 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), REF_PATH, (yyvsp[0].labelref));
(yyval.data) = data_merge((yyvsp[-3].data), (yyvsp[-1].data));
}
#line 1687 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 1697 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 27:
#line 261 "dtc-parser.y" /* yacc.c:1646 */
#line 271 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), REF_PATH, (yyvsp[0].labelref));
}
#line 1705 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 28:
#line 275 "dtc-parser.y" /* yacc.c:1646 */
{
FILE *f = srcfile_relative_open((yyvsp[-5].data).val, NULL);
struct data d;
@ -1703,11 +1721,11 @@ yyreduce:
(yyval.data) = data_merge((yyvsp[-8].data), d);
fclose(f);
}
#line 1707 "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;
@ -1717,43 +1735,43 @@ yyreduce:
(yyval.data) = data_merge((yyvsp[-4].data), d);
fclose(f);
}
#line 1721 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 29:
#line 287 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
#line 1729 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 1739 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 30:
#line 294 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = empty_data;
}
#line 1737 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 31:
#line 298 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = (yyvsp[-1].data);
}
#line 1745 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 32:
#line 302 "dtc-parser.y" /* yacc.c:1646 */
#line 301 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
#line 1753 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 1747 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 31:
#line 308 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = empty_data;
}
#line 1755 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 32:
#line 312 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = (yyvsp[-1].data);
}
#line 1763 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 33:
#line 309 "dtc-parser.y" /* yacc.c:1646 */
#line 316 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
#line 1771 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 34:
#line 323 "dtc-parser.y" /* yacc.c:1646 */
{
unsigned long long bits;
@ -1769,20 +1787,20 @@ yyreduce:
(yyval.array).data = empty_data;
(yyval.array).bits = bits;
}
#line 1773 "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 1782 "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;
@ -1801,11 +1819,11 @@ yyreduce:
(yyval.array).data = data_append_integer((yyvsp[-1].array).data, (yyvsp[0].integer), (yyvsp[-1].array).bits);
}
#line 1805 "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);
@ -1819,129 +1837,129 @@ yyreduce:
(yyval.array).data = data_append_integer((yyvsp[-1].array).data, val, (yyvsp[-1].array).bits);
}
#line 1823 "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 1831 "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 1839 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 43:
#line 383 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-4].integer) ? (yyvsp[-2].integer) : (yyvsp[0].integer); }
#line 1845 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 45:
#line 388 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) || (yyvsp[0].integer); }
#line 1851 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 47:
#line 393 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) && (yyvsp[0].integer); }
#line 1857 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 49:
#line 398 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) | (yyvsp[0].integer); }
case 44:
#line 397 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-4].integer) ? (yyvsp[-2].integer) : (yyvsp[0].integer); }
#line 1863 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 51:
#line 403 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) ^ (yyvsp[0].integer); }
case 46:
#line 402 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) || (yyvsp[0].integer); }
#line 1869 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 53:
#line 408 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) & (yyvsp[0].integer); }
case 48:
#line 407 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) && (yyvsp[0].integer); }
#line 1875 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 55:
#line 413 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) == (yyvsp[0].integer); }
case 50:
#line 412 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) | (yyvsp[0].integer); }
#line 1881 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 56:
#line 414 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) != (yyvsp[0].integer); }
case 52:
#line 417 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) ^ (yyvsp[0].integer); }
#line 1887 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 58:
#line 419 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) < (yyvsp[0].integer); }
case 54:
#line 422 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) & (yyvsp[0].integer); }
#line 1893 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 59:
#line 420 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) > (yyvsp[0].integer); }
case 56:
#line 427 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) == (yyvsp[0].integer); }
#line 1899 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 60:
#line 421 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) <= (yyvsp[0].integer); }
case 57:
#line 428 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) != (yyvsp[0].integer); }
#line 1905 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 61:
#line 422 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) >= (yyvsp[0].integer); }
case 59:
#line 433 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) < (yyvsp[0].integer); }
#line 1911 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 62:
#line 426 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) << (yyvsp[0].integer); }
case 60:
#line 434 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) > (yyvsp[0].integer); }
#line 1917 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 63:
#line 427 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) >> (yyvsp[0].integer); }
case 61:
#line 435 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) <= (yyvsp[0].integer); }
#line 1923 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 65:
#line 432 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) + (yyvsp[0].integer); }
case 62:
#line 436 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) >= (yyvsp[0].integer); }
#line 1929 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 66:
#line 433 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) - (yyvsp[0].integer); }
case 63:
#line 440 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) << (yyvsp[0].integer); }
#line 1935 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 68:
#line 438 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) * (yyvsp[0].integer); }
case 64:
#line 441 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) >> (yyvsp[0].integer); }
#line 1941 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 66:
#line 446 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) + (yyvsp[0].integer); }
#line 1947 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 67:
#line 447 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) - (yyvsp[0].integer); }
#line 1953 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 69:
#line 440 "dtc-parser.y" /* yacc.c:1646 */
#line 452 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = (yyvsp[-2].integer) * (yyvsp[0].integer); }
#line 1959 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 70:
#line 454 "dtc-parser.y" /* yacc.c:1646 */
{
if ((yyvsp[0].integer) != 0) {
(yyval.integer) = (yyvsp[-2].integer) / (yyvsp[0].integer);
@ -1950,11 +1968,11 @@ yyreduce:
(yyval.integer) = 0;
}
}
#line 1954 "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);
@ -1963,103 +1981,103 @@ yyreduce:
(yyval.integer) = 0;
}
}
#line 1967 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 73:
#line 462 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = -(yyvsp[0].integer); }
#line 1973 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 74:
#line 463 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = ~(yyvsp[0].integer); }
#line 1979 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 75:
#line 464 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = !(yyvsp[0].integer); }
#line 1985 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 74:
#line 476 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = -(yyvsp[0].integer); }
#line 1991 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 75:
#line 477 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = ~(yyvsp[0].integer); }
#line 1997 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 76:
#line 469 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = empty_data;
}
#line 1993 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 478 "dtc-parser.y" /* yacc.c:1646 */
{ (yyval.integer) = !(yyvsp[0].integer); }
#line 2003 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 77:
#line 473 "dtc-parser.y" /* yacc.c:1646 */
#line 483 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_append_byte((yyvsp[-1].data), (yyvsp[0].byte));
(yyval.data) = empty_data;
}
#line 2001 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 2011 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 78:
#line 477 "dtc-parser.y" /* yacc.c:1646 */
#line 487 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
(yyval.data) = data_append_byte((yyvsp[-1].data), (yyvsp[0].byte));
}
#line 2009 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 2019 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 79:
#line 484 "dtc-parser.y" /* yacc.c:1646 */
#line 491 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.nodelist) = NULL;
(yyval.data) = data_add_marker((yyvsp[-1].data), LABEL, (yyvsp[0].labelref));
}
#line 2017 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 2027 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 80:
#line 488 "dtc-parser.y" /* yacc.c:1646 */
#line 498 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.nodelist) = chain_node((yyvsp[-1].node), (yyvsp[0].nodelist));
(yyval.nodelist) = NULL;
}
#line 2025 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 2035 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 81:
#line 492 "dtc-parser.y" /* yacc.c:1646 */
#line 502 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.nodelist) = chain_node((yyvsp[-1].node), (yyvsp[0].nodelist));
}
#line 2043 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 82:
#line 506 "dtc-parser.y" /* yacc.c:1646 */
{
ERROR(&(yylsp[0]), "Properties must precede subnodes");
YYERROR;
}
#line 2034 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 82:
#line 500 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.node) = name_node((yyvsp[0].node), (yyvsp[-1].propnodename));
}
#line 2042 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 2052 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 83:
#line 504 "dtc-parser.y" /* yacc.c:1646 */
#line 514 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.node) = name_node(build_node_delete(), (yyvsp[-1].propnodename));
(yyval.node) = name_node((yyvsp[0].node), (yyvsp[-1].propnodename));
}
#line 2050 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 2060 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
case 84:
#line 508 "dtc-parser.y" /* yacc.c:1646 */
#line 518 "dtc-parser.y" /* yacc.c:1646 */
{
(yyval.node) = name_node(build_node_delete(), (yyvsp[-1].propnodename));
}
#line 2068 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
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 2059 "dtc-parser.tab.c" /* yacc.c:1646 */
#line 2077 "dtc-parser.tab.c" /* yacc.c:1646 */
break;
#line 2063 "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
@ -2294,7 +2312,7 @@ yyreturn:
#endif
return yyresult;
}
#line 514 "dtc-parser.y" /* yacc.c:1906 */
#line 528 "dtc-parser.y" /* yacc.c:1906 */
void yyerror(char const *s)

20
scripts/dtc/dtc-parser.y
View File

@ -182,10 +182,19 @@ devicetree:
{
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);
}
$$ = $1;
}
| devicetree DT_DEL_NODE DT_REF ';'
@ -200,6 +209,11 @@ devicetree:
$$ = $1;
}
| /* empty */
{
/* build empty node */
$$ = name_node(build_node(NULL, NULL), "");
}
;
nodedef:

2
scripts/dtc/dtc.c
View File

@ -31,7 +31,7 @@ int reservenum; /* Number of memory reservation slots */
int minsize; /* Minimum blob size */
int padsize; /* Additional padding to blob */
int alignsize; /* Additional padding to blob accroding to the alignsize */
int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
int phandle_format = PHANDLE_EPAPR; /* Use linux,phandle or phandle properties */
int generate_symbols; /* enable symbols & fixup support */
int generate_fixups; /* suppress generation of fixups on symbol support */
int auto_label_aliases; /* auto generate labels -> aliases */

3
scripts/dtc/dtc.h
View File

@ -31,6 +31,7 @@
#include <ctype.h>
#include <errno.h>
#include <unistd.h>
#include <inttypes.h>
#include <libfdt_env.h>
#include <fdt.h>
@ -202,6 +203,7 @@ struct node *build_node_delete(void);
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);
@ -215,6 +217,7 @@ void append_to_property(struct node *node,
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,

96
scripts/dtc/libfdt/fdt_addresses.c Normal file
View File

@ -0,0 +1,96 @@
/*
* 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;
}

1
scripts/dtc/libfdt/fdt_empty_tree.c
View File

@ -81,4 +81,3 @@ int fdt_create_empty_tree(void *buf, int bufsize)
return fdt_open_into(buf, buf, bufsize);
}

861
scripts/dtc/libfdt/fdt_overlay.c Normal file
View File

@ -0,0 +1,861 @@
#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;
}

4
scripts/dtc/libfdt/fdt_ro.c
View File

@ -60,7 +60,7 @@ static int _fdt_nodename_eq(const void *fdt, int offset,
{
const char *p = fdt_offset_ptr(fdt, offset + FDT_TAGSIZE, len+1);
if (! p)
if (!p)
/* short match */
return 0;
@ -327,7 +327,7 @@ const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
const struct fdt_property *prop;
prop = fdt_get_property_namelen(fdt, nodeoffset, name, namelen, lenp);
if (! prop)
if (!prop)
return NULL;
return prop->data;

24
scripts/dtc/libfdt/fdt_rw.c
View File

@ -207,7 +207,7 @@ static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
int err;
*prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
if (! (*prop))
if (!*prop)
return oldlen;
if ((err = _fdt_splice_struct(fdt, (*prop)->data, FDT_TAGALIGN(oldlen),
@ -269,8 +269,8 @@ int fdt_set_name(void *fdt, int nodeoffset, const char *name)
return 0;
}
int fdt_setprop(void *fdt, int nodeoffset, const char *name,
const void *val, int len)
int fdt_setprop_placeholder(void *fdt, int nodeoffset, const char *name,
int len, void **prop_data)
{
struct fdt_property *prop;
int err;
@ -283,8 +283,22 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
if (err)
return err;
*prop_data = prop->data;
return 0;
}
int fdt_setprop(void *fdt, int nodeoffset, const char *name,
const void *val, int len)
{
void *prop_data;
int err;
err = fdt_setprop_placeholder(fdt, nodeoffset, name, len, &prop_data);
if (err)
return err;
if (len)
memcpy(prop->data, val, len);
memcpy(prop_data, val, len);
return 0;
}
@ -323,7 +337,7 @@ int fdt_delprop(void *fdt, int nodeoffset, const char *name)
FDT_RW_CHECK_HEADER(fdt);
prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
if (! prop)
if (!prop)
return len;
proplen = sizeof(*prop) + FDT_TAGALIGN(len);

16
scripts/dtc/libfdt/fdt_sw.c
View File

@ -220,7 +220,7 @@ static int _fdt_find_add_string(void *fdt, const char *s)
return offset;
}
int fdt_property(void *fdt, const char *name, const void *val, int len)
int fdt_property_placeholder(void *fdt, const char *name, int len, void **valp)
{
struct fdt_property *prop;
int nameoff;
@ -238,7 +238,19 @@ int fdt_property(void *fdt, const char *name, const void *val, int len)
prop->tag = cpu_to_fdt32(FDT_PROP);
prop->nameoff = cpu_to_fdt32(nameoff);
prop->len = cpu_to_fdt32(len);
memcpy(prop->data, val, len);
*valp = prop->data;
return 0;
}
int fdt_property(void *fdt, const char *name, const void *val, int len)
{
void *ptr;
int ret;
ret = fdt_property_placeholder(fdt, name, len, &ptr);
if (ret)
return ret;
memcpy(ptr, val, len);
return 0;
}

4
scripts/dtc/libfdt/fdt_wip.c
View File

@ -82,7 +82,7 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
int proplen;
propval = fdt_getprop(fdt, nodeoffset, name, &proplen);
if (! propval)
if (!propval)
return proplen;
if (proplen != len)
@ -107,7 +107,7 @@ int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
int len;
prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
if (! prop)
if (!prop)
return len;
_fdt_nop_region(prop, len + sizeof(*prop));

47
scripts/dtc/libfdt/libfdt.h
View File

@ -1314,6 +1314,22 @@ static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val)
{
return fdt_property_u32(fdt, name, val);
}
/**
* fdt_property_placeholder - add a new property and return a ptr to its value
*
* @fdt: pointer to the device tree blob
* @name: name of property to add
* @len: length of property value in bytes
* @valp: returns a pointer to where where the value should be placed
*
* returns:
* 0, on success
* -FDT_ERR_BADMAGIC,
* -FDT_ERR_NOSPACE, standard meanings
*/
int fdt_property_placeholder(void *fdt, const char *name, int len, void **valp);
#define fdt_property_string(fdt, name, str) \
fdt_property(fdt, name, str, strlen(str)+1)
int fdt_end_node(void *fdt);
@ -1432,6 +1448,37 @@ int fdt_set_name(void *fdt, int nodeoffset, const char *name);
int fdt_setprop(void *fdt, int nodeoffset, const char *name,
const void *val, int len);
/**
* fdt_setprop _placeholder - allocate space for a property
* @fdt: pointer to the device tree blob
* @nodeoffset: offset of the node whose property to change
* @name: name of the property to change
* @len: length of the property value
* @prop_data: return pointer to property data
*
* fdt_setprop_placeholer() allocates the named property in the given node.
* If the property exists it is resized. In either case a pointer to the
* property data is returned.
*
* This function may insert or delete data from the blob, and will
* therefore change the offsets of some existing nodes.
*
* returns:
* 0, on success
* -FDT_ERR_NOSPACE, there is insufficient free space in the blob to
* contain the new property value
* -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
* -FDT_ERR_BADLAYOUT,
* -FDT_ERR_BADMAGIC,
* -FDT_ERR_BADVERSION,
* -FDT_ERR_BADSTATE,
* -FDT_ERR_BADSTRUCTURE,
* -FDT_ERR_BADLAYOUT,
* -FDT_ERR_TRUNCATED, standard meanings
*/
int fdt_setprop_placeholder(void *fdt, int nodeoffset, const char *name,
int len, void **prop_data);
/**
* fdt_setprop_u32 - set a property to a 32-bit integer
* @fdt: pointer to the device tree blob

31
scripts/dtc/livetree.c
View File

@ -216,6 +216,28 @@ struct node *merge_nodes(struct node *old_node, struct node *new_node)
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);
@ -396,6 +418,12 @@ cell_t propval_cell(struct property *prop)
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)
{
@ -478,7 +506,8 @@ struct node *get_node_by_path(struct node *tree, const char *path)
p = strchr(path, '/');
for_each_child(tree, child) {
if (p && strneq(path, child->name, p-path))
if (p && (strlen(child->name) == p-path) &&
strneq(path, child->name, p-path))
return get_node_by_path(child, p+1);
else if (!p && streq(path, child->name))
return child;

2
scripts/dtc/version_gen.h
View File

@ -1 +1 @@
#define DTC_VERSION "DTC 1.4.4-g756ffc4f"
#define DTC_VERSION "DTC 1.4.5-gb1a60033"