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-rw-r--r--include/linux/libfdt_env.h6
-rw-r--r--scripts/dtc/checks.c439
-rw-r--r--scripts/dtc/dtc-parser.y17
-rw-r--r--scripts/dtc/dtc.c7
-rw-r--r--scripts/dtc/dtc.h11
-rw-r--r--scripts/dtc/flattree.c2
-rw-r--r--scripts/dtc/libfdt/fdt.c13
-rw-r--r--scripts/dtc/libfdt/fdt.h6
-rw-r--r--scripts/dtc/libfdt/fdt_overlay.c51
-rw-r--r--scripts/dtc/libfdt/fdt_ro.c132
-rw-r--r--scripts/dtc/libfdt/fdt_rw.c90
-rw-r--r--scripts/dtc/libfdt/fdt_sw.c24
-rw-r--r--scripts/dtc/libfdt/fdt_wip.c10
-rw-r--r--scripts/dtc/libfdt/libfdt.h37
-rw-r--r--scripts/dtc/libfdt/libfdt_env.h33
-rw-r--r--scripts/dtc/libfdt/libfdt_internal.h32
-rw-r--r--scripts/dtc/livetree.c10
-rw-r--r--scripts/dtc/srcpos.c5
-rw-r--r--scripts/dtc/srcpos.h6
-rw-r--r--scripts/dtc/util.h9
-rw-r--r--scripts/dtc/version_gen.h2
21 files changed, 622 insertions, 320 deletions
diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
index 14997285e53d..c6ac1fe7ec68 100644
--- a/include/linux/libfdt_env.h
+++ b/include/linux/libfdt_env.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LIBFDT_ENV_H
-#define _LIBFDT_ENV_H
+#ifndef LIBFDT_ENV_H
+#define LIBFDT_ENV_H
#include <linux/string.h>
@@ -15,4 +15,4 @@ typedef __be64 fdt64_t;
#define fdt64_to_cpu(x) be64_to_cpu(x)
#define cpu_to_fdt64(x) cpu_to_be64(x)
-#endif /* _LIBFDT_ENV_H */
+#endif /* LIBFDT_ENV_H */
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index e66138449886..c07ba4da9e36 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -53,26 +53,28 @@ struct check {
struct check **prereq;
};
-#define CHECK_ENTRY(_nm, _fn, _d, _w, _e, ...) \
- static struct check *_nm##_prereqs[] = { __VA_ARGS__ }; \
- static struct check _nm = { \
- .name = #_nm, \
- .fn = (_fn), \
- .data = (_d), \
- .warn = (_w), \
- .error = (_e), \
+#define CHECK_ENTRY(nm_, fn_, d_, w_, e_, ...) \
+ static struct check *nm_##_prereqs[] = { __VA_ARGS__ }; \
+ static struct check nm_ = { \
+ .name = #nm_, \
+ .fn = (fn_), \
+ .data = (d_), \
+ .warn = (w_), \
+ .error = (e_), \
.status = UNCHECKED, \
- .num_prereqs = ARRAY_SIZE(_nm##_prereqs), \
- .prereq = _nm##_prereqs, \
+ .num_prereqs = ARRAY_SIZE(nm_##_prereqs), \
+ .prereq = nm_##_prereqs, \
};
-#define WARNING(_nm, _fn, _d, ...) \
- CHECK_ENTRY(_nm, _fn, _d, true, false, __VA_ARGS__)
-#define ERROR(_nm, _fn, _d, ...) \
- CHECK_ENTRY(_nm, _fn, _d, false, true, __VA_ARGS__)
-#define CHECK(_nm, _fn, _d, ...) \
- CHECK_ENTRY(_nm, _fn, _d, false, false, __VA_ARGS__)
-
-static inline void PRINTF(3, 4) check_msg(struct check *c, struct dt_info *dti,
+#define WARNING(nm_, fn_, d_, ...) \
+ CHECK_ENTRY(nm_, fn_, d_, true, false, __VA_ARGS__)
+#define ERROR(nm_, fn_, d_, ...) \
+ CHECK_ENTRY(nm_, fn_, d_, false, true, __VA_ARGS__)
+#define CHECK(nm_, fn_, d_, ...) \
+ CHECK_ENTRY(nm_, fn_, d_, false, false, __VA_ARGS__)
+
+static inline void PRINTF(5, 6) check_msg(struct check *c, struct dt_info *dti,
+ struct node *node,
+ struct property *prop,
const char *fmt, ...)
{
va_list ap;
@@ -83,19 +85,33 @@ static inline void PRINTF(3, 4) check_msg(struct check *c, struct dt_info *dti,
fprintf(stderr, "%s: %s (%s): ",
strcmp(dti->outname, "-") ? dti->outname : "<stdout>",
(c->error) ? "ERROR" : "Warning", c->name);
+ if (node) {
+ fprintf(stderr, "%s", node->fullpath);
+ if (prop)
+ fprintf(stderr, ":%s", prop->name);
+ fputs(": ", stderr);
+ }
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
}
va_end(ap);
}
-#define FAIL(c, dti, ...) \
+#define FAIL(c, dti, node, ...) \
+ do { \
+ TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
+ (c)->status = FAILED; \
+ check_msg((c), dti, node, NULL, __VA_ARGS__); \
+ } while (0)
+
+#define FAIL_PROP(c, dti, node, prop, ...) \
do { \
TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
(c)->status = FAILED; \
- check_msg((c), dti, __VA_ARGS__); \
+ check_msg((c), dti, node, prop, __VA_ARGS__); \
} while (0)
+
static void check_nodes_props(struct check *c, struct dt_info *dti, struct node *node)
{
struct node *child;
@@ -126,7 +142,7 @@ static bool run_check(struct check *c, struct dt_info *dti)
error = error || run_check(prq, dti);
if (prq->status != PASSED) {
c->status = PREREQ;
- check_msg(c, dti, "Failed prerequisite '%s'",
+ check_msg(c, dti, NULL, NULL, "Failed prerequisite '%s'",
c->prereq[i]->name);
}
}
@@ -156,7 +172,7 @@ out:
static inline void check_always_fail(struct check *c, struct dt_info *dti,
struct node *node)
{
- FAIL(c, dti, "always_fail check");
+ FAIL(c, dti, node, "always_fail check");
}
CHECK(always_fail, check_always_fail, NULL);
@@ -171,14 +187,42 @@ static void check_is_string(struct check *c, struct dt_info *dti,
return; /* Not present, assumed ok */
if (!data_is_one_string(prop->val))
- FAIL(c, dti, "\"%s\" property in %s is not a string",
- propname, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "property is not a string");
}
#define WARNING_IF_NOT_STRING(nm, propname) \
WARNING(nm, check_is_string, (propname))
#define ERROR_IF_NOT_STRING(nm, propname) \
ERROR(nm, check_is_string, (propname))
+static void check_is_string_list(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ int rem, l;
+ struct property *prop;
+ char *propname = c->data;
+ char *str;
+
+ prop = get_property(node, propname);
+ if (!prop)
+ return; /* Not present, assumed ok */
+
+ str = prop->val.val;
+ rem = prop->val.len;
+ while (rem > 0) {
+ l = strnlen(str, rem);
+ if (l == rem) {
+ FAIL_PROP(c, dti, node, prop, "property is not a string list");
+ break;
+ }
+ rem -= l + 1;
+ str += l + 1;
+ }
+}
+#define WARNING_IF_NOT_STRING_LIST(nm, propname) \
+ WARNING(nm, check_is_string_list, (propname))
+#define ERROR_IF_NOT_STRING_LIST(nm, propname) \
+ ERROR(nm, check_is_string_list, (propname))
+
static void check_is_cell(struct check *c, struct dt_info *dti,
struct node *node)
{
@@ -190,8 +234,7 @@ static void check_is_cell(struct check *c, struct dt_info *dti,
return; /* Not present, assumed ok */
if (prop->val.len != sizeof(cell_t))
- FAIL(c, dti, "\"%s\" property in %s is not a single cell",
- propname, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "property is not a single cell");
}
#define WARNING_IF_NOT_CELL(nm, propname) \
WARNING(nm, check_is_cell, (propname))
@@ -212,8 +255,7 @@ static void check_duplicate_node_names(struct check *c, struct dt_info *dti,
child2;
child2 = child2->next_sibling)
if (streq(child->name, child2->name))
- FAIL(c, dti, "Duplicate node name %s",
- child->fullpath);
+ FAIL(c, dti, node, "Duplicate node name");
}
ERROR(duplicate_node_names, check_duplicate_node_names, NULL);
@@ -227,8 +269,7 @@ static void check_duplicate_property_names(struct check *c, struct dt_info *dti,
if (prop2->deleted)
continue;
if (streq(prop->name, prop2->name))
- FAIL(c, dti, "Duplicate property name %s in %s",
- prop->name, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "Duplicate property name");
}
}
}
@@ -246,8 +287,8 @@ static void check_node_name_chars(struct check *c, struct dt_info *dti,
int n = strspn(node->name, c->data);
if (n < strlen(node->name))
- FAIL(c, dti, "Bad character '%c' in node %s",
- node->name[n], node->fullpath);
+ FAIL(c, dti, node, "Bad character '%c' in node name",
+ node->name[n]);
}
ERROR(node_name_chars, check_node_name_chars, PROPNODECHARS "@");
@@ -257,8 +298,8 @@ static void check_node_name_chars_strict(struct check *c, struct dt_info *dti,
int n = strspn(node->name, c->data);
if (n < node->basenamelen)
- FAIL(c, dti, "Character '%c' not recommended in node %s",
- node->name[n], node->fullpath);
+ FAIL(c, dti, node, "Character '%c' not recommended in node name",
+ node->name[n]);
}
CHECK(node_name_chars_strict, check_node_name_chars_strict, PROPNODECHARSSTRICT);
@@ -266,8 +307,7 @@ static void check_node_name_format(struct check *c, struct dt_info *dti,
struct node *node)
{
if (strchr(get_unitname(node), '@'))
- FAIL(c, dti, "Node %s has multiple '@' characters in name",
- node->fullpath);
+ FAIL(c, dti, node, "multiple '@' characters in node name");
}
ERROR(node_name_format, check_node_name_format, NULL, &node_name_chars);
@@ -285,12 +325,10 @@ static void check_unit_address_vs_reg(struct check *c, struct dt_info *dti,
if (prop) {
if (!unitname[0])
- FAIL(c, dti, "Node %s has a reg or ranges property, but no unit name",
- node->fullpath);
+ FAIL(c, dti, node, "node has a reg or ranges property, but no unit name");
} else {
if (unitname[0])
- FAIL(c, dti, "Node %s has a unit name, but no reg property",
- node->fullpath);
+ FAIL(c, dti, node, "node has a unit name, but no reg property");
}
}
WARNING(unit_address_vs_reg, check_unit_address_vs_reg, NULL);
@@ -304,8 +342,8 @@ static void check_property_name_chars(struct check *c, struct dt_info *dti,
int n = strspn(prop->name, c->data);
if (n < strlen(prop->name))
- FAIL(c, dti, "Bad character '%c' in property name \"%s\", node %s",
- prop->name[n], prop->name, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "Bad character '%c' in property name",
+ prop->name[n]);
}
}
ERROR(property_name_chars, check_property_name_chars, PROPNODECHARS);
@@ -336,8 +374,8 @@ static void check_property_name_chars_strict(struct check *c,
n = strspn(name, c->data);
}
if (n < strlen(name))
- FAIL(c, dti, "Character '%c' not recommended in property name \"%s\", node %s",
- name[n], prop->name, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "Character '%c' not recommended in property name",
+ name[n]);
}
}
CHECK(property_name_chars_strict, check_property_name_chars_strict, PROPNODECHARSSTRICT);
@@ -370,7 +408,7 @@ static void check_duplicate_label(struct check *c, struct dt_info *dti,
return;
if ((othernode != node) || (otherprop != prop) || (othermark != mark))
- FAIL(c, dti, "Duplicate label '%s' on " DESCLABEL_FMT
+ FAIL(c, dti, node, "Duplicate label '%s' on " DESCLABEL_FMT
" and " DESCLABEL_FMT,
label, DESCLABEL_ARGS(node, prop, mark),
DESCLABEL_ARGS(othernode, otherprop, othermark));
@@ -410,8 +448,8 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
return 0;
if (prop->val.len != sizeof(cell_t)) {
- FAIL(c, dti, "%s has bad length (%d) %s property",
- node->fullpath, prop->val.len, prop->name);
+ FAIL_PROP(c, dti, node, prop, "bad length (%d) %s property",
+ prop->val.len, prop->name);
return 0;
}
@@ -422,8 +460,8 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
/* "Set this node's phandle equal to some
* other node's phandle". That's nonsensical
* by construction. */ {
- FAIL(c, dti, "%s in %s is a reference to another node",
- prop->name, node->fullpath);
+ FAIL(c, dti, node, "%s is a reference to another node",
+ prop->name);
}
/* But setting this node's phandle equal to its own
* phandle is allowed - that means allocate a unique
@@ -436,8 +474,8 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
phandle = propval_cell(prop);
if ((phandle == 0) || (phandle == -1)) {
- FAIL(c, dti, "%s has bad value (0x%x) in %s property",
- node->fullpath, phandle, prop->name);
+ FAIL_PROP(c, dti, node, prop, "bad value (0x%x) in %s property",
+ phandle, prop->name);
return 0;
}
@@ -463,16 +501,16 @@ static void check_explicit_phandles(struct check *c, struct dt_info *dti,
return;
if (linux_phandle && phandle && (phandle != linux_phandle))
- FAIL(c, dti, "%s has mismatching 'phandle' and 'linux,phandle'"
- " properties", node->fullpath);
+ FAIL(c, dti, node, "mismatching 'phandle' and 'linux,phandle'"
+ " properties");
if (linux_phandle && !phandle)
phandle = linux_phandle;
other = get_node_by_phandle(root, phandle);
if (other && (other != node)) {
- FAIL(c, dti, "%s has duplicated phandle 0x%x (seen before at %s)",
- node->fullpath, phandle, other->fullpath);
+ FAIL(c, dti, node, "duplicated phandle 0x%x (seen before at %s)",
+ phandle, other->fullpath);
return;
}
@@ -496,8 +534,8 @@ static void check_name_properties(struct check *c, struct dt_info *dti,
if ((prop->val.len != node->basenamelen+1)
|| (memcmp(prop->val.val, node->name, node->basenamelen) != 0)) {
- FAIL(c, dti, "\"name\" property in %s is incorrect (\"%s\" instead"
- " of base node name)", node->fullpath, prop->val.val);
+ FAIL(c, dti, node, "\"name\" property is incorrect (\"%s\" instead"
+ " of base node name)", prop->val.val);
} else {
/* The name property is correct, and therefore redundant.
* Delete it */
@@ -531,7 +569,7 @@ static void fixup_phandle_references(struct check *c, struct dt_info *dti,
refnode = get_node_by_ref(dt, m->ref);
if (! refnode) {
if (!(dti->dtsflags & DTSF_PLUGIN))
- FAIL(c, dti, "Reference to non-existent node or "
+ FAIL(c, dti, node, "Reference to non-existent node or "
"label \"%s\"\n", m->ref);
else /* mark the entry as unresolved */
*((fdt32_t *)(prop->val.val + m->offset)) =
@@ -563,7 +601,7 @@ static void fixup_path_references(struct check *c, struct dt_info *dti,
refnode = get_node_by_ref(dt, m->ref);
if (!refnode) {
- FAIL(c, dti, "Reference to non-existent node or label \"%s\"\n",
+ FAIL(c, dti, node, "Reference to non-existent node or label \"%s\"\n",
m->ref);
continue;
}
@@ -586,6 +624,45 @@ WARNING_IF_NOT_CELL(interrupt_cells_is_cell, "#interrupt-cells");
WARNING_IF_NOT_STRING(device_type_is_string, "device_type");
WARNING_IF_NOT_STRING(model_is_string, "model");
WARNING_IF_NOT_STRING(status_is_string, "status");
+WARNING_IF_NOT_STRING(label_is_string, "label");
+
+WARNING_IF_NOT_STRING_LIST(compatible_is_string_list, "compatible");
+
+static void check_names_is_string_list(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ for_each_property(node, prop) {
+ const char *s = strrchr(prop->name, '-');
+ if (!s || !streq(s, "-names"))
+ continue;
+
+ c->data = prop->name;
+ check_is_string_list(c, dti, node);
+ }
+}
+WARNING(names_is_string_list, check_names_is_string_list, NULL);
+
+static void check_alias_paths(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ if (!streq(node->name, "aliases"))
+ return;
+
+ for_each_property(node, prop) {
+ if (!prop->val.val || !get_node_by_path(dti->dt, prop->val.val)) {
+ FAIL_PROP(c, dti, node, prop, "aliases property is not a valid node (%s)",
+ prop->val.val);
+ continue;
+ }
+ if (strspn(prop->name, LOWERCASE DIGITS "-") != strlen(prop->name))
+ FAIL(c, dti, node, "aliases property name must include only lowercase and '-'");
+ }
+}
+WARNING(alias_paths, check_alias_paths, NULL);
static void fixup_addr_size_cells(struct check *c, struct dt_info *dti,
struct node *node)
@@ -622,21 +699,21 @@ static void check_reg_format(struct check *c, struct dt_info *dti,
return; /* No "reg", that's fine */
if (!node->parent) {
- FAIL(c, dti, "Root node has a \"reg\" property");
+ FAIL(c, dti, node, "Root node has a \"reg\" property");
return;
}
if (prop->val.len == 0)
- FAIL(c, dti, "\"reg\" property in %s is empty", node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "property is empty");
addr_cells = node_addr_cells(node->parent);
size_cells = node_size_cells(node->parent);
entrylen = (addr_cells + size_cells) * sizeof(cell_t);
if (!entrylen || (prop->val.len % entrylen) != 0)
- FAIL(c, dti, "\"reg\" property in %s has invalid length (%d bytes) "
- "(#address-cells == %d, #size-cells == %d)",
- node->fullpath, prop->val.len, addr_cells, size_cells);
+ FAIL_PROP(c, dti, node, prop, "property has invalid length (%d bytes) "
+ "(#address-cells == %d, #size-cells == %d)",
+ prop->val.len, addr_cells, size_cells);
}
WARNING(reg_format, check_reg_format, NULL, &addr_size_cells);
@@ -651,7 +728,7 @@ static void check_ranges_format(struct check *c, struct dt_info *dti,
return;
if (!node->parent) {
- FAIL(c, dti, "Root node has a \"ranges\" property");
+ FAIL_PROP(c, dti, node, prop, "Root node has a \"ranges\" property");
return;
}
@@ -663,20 +740,20 @@ static void check_ranges_format(struct check *c, struct dt_info *dti,
if (prop->val.len == 0) {
if (p_addr_cells != c_addr_cells)
- FAIL(c, dti, "%s has empty \"ranges\" property but its "
- "#address-cells (%d) differs from %s (%d)",
- node->fullpath, c_addr_cells, node->parent->fullpath,
- p_addr_cells);
+ FAIL_PROP(c, dti, node, prop, "empty \"ranges\" property but its "
+ "#address-cells (%d) differs from %s (%d)",
+ c_addr_cells, node->parent->fullpath,
+ p_addr_cells);
if (p_size_cells != c_size_cells)
- FAIL(c, dti, "%s has empty \"ranges\" property but its "
- "#size-cells (%d) differs from %s (%d)",
- node->fullpath, c_size_cells, node->parent->fullpath,
- p_size_cells);
+ FAIL_PROP(c, dti, node, prop, "empty \"ranges\" property but its "
+ "#size-cells (%d) differs from %s (%d)",
+ c_size_cells, node->parent->fullpath,
+ p_size_cells);
} else if ((prop->val.len % entrylen) != 0) {
- FAIL(c, dti, "\"ranges\" property in %s has invalid length (%d bytes) "
- "(parent #address-cells == %d, child #address-cells == %d, "
- "#size-cells == %d)", node->fullpath, prop->val.len,
- p_addr_cells, c_addr_cells, c_size_cells);
+ FAIL_PROP(c, dti, node, prop, "\"ranges\" property has invalid length (%d bytes) "
+ "(parent #address-cells == %d, child #address-cells == %d, "
+ "#size-cells == %d)", prop->val.len,
+ p_addr_cells, c_addr_cells, c_size_cells);
}
}
WARNING(ranges_format, check_ranges_format, NULL, &addr_size_cells);
@@ -696,41 +773,33 @@ static void check_pci_bridge(struct check *c, struct dt_info *dti, struct node *
node->bus = &pci_bus;
- if (!strneq(node->name, "pci", node->basenamelen) &&
- !strneq(node->name, "pcie", node->basenamelen))
- FAIL(c, dti, "Node %s node name is not \"pci\" or \"pcie\"",
- node->fullpath);
+ if (!strprefixeq(node->name, node->basenamelen, "pci") &&
+ !strprefixeq(node->name, node->basenamelen, "pcie"))
+ FAIL(c, dti, node, "node name is not \"pci\" or \"pcie\"");
prop = get_property(node, "ranges");
if (!prop)
- FAIL(c, dti, "Node %s missing ranges for PCI bridge (or not a bridge)",
- node->fullpath);
+ FAIL(c, dti, node, "missing ranges for PCI bridge (or not a bridge)");
if (node_addr_cells(node) != 3)
- FAIL(c, dti, "Node %s incorrect #address-cells for PCI bridge",
- node->fullpath);
+ FAIL(c, dti, node, "incorrect #address-cells for PCI bridge");
if (node_size_cells(node) != 2)
- FAIL(c, dti, "Node %s incorrect #size-cells for PCI bridge",
- node->fullpath);
+ FAIL(c, dti, node, "incorrect #size-cells for PCI bridge");
prop = get_property(node, "bus-range");
if (!prop) {
- FAIL(c, dti, "Node %s missing bus-range for PCI bridge",
- node->fullpath);
+ FAIL(c, dti, node, "missing bus-range for PCI bridge");
return;
}
if (prop->val.len != (sizeof(cell_t) * 2)) {
- FAIL(c, dti, "Node %s bus-range must be 2 cells",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "value must be 2 cells");
return;
}
cells = (cell_t *)prop->val.val;
if (fdt32_to_cpu(cells[0]) > fdt32_to_cpu(cells[1]))
- FAIL(c, dti, "Node %s bus-range 1st cell must be less than or equal to 2nd cell",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "1st cell must be less than or equal to 2nd cell");
if (fdt32_to_cpu(cells[1]) > 0xff)
- FAIL(c, dti, "Node %s bus-range maximum bus number must be less than 256",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "maximum bus number must be less than 256");
}
WARNING(pci_bridge, check_pci_bridge, NULL,
&device_type_is_string, &addr_size_cells);
@@ -760,8 +829,8 @@ static void check_pci_device_bus_num(struct check *c, struct dt_info *dti, struc
max_bus = fdt32_to_cpu(cells[0]);
}
if ((bus_num < min_bus) || (bus_num > max_bus))
- FAIL(c, dti, "Node %s PCI bus number %d out of range, expected (%d - %d)",
- node->fullpath, bus_num, min_bus, max_bus);
+ FAIL_PROP(c, dti, node, prop, "PCI bus number %d out of range, expected (%d - %d)",
+ bus_num, min_bus, max_bus);
}
WARNING(pci_device_bus_num, check_pci_device_bus_num, NULL, &reg_format, &pci_bridge);
@@ -778,25 +847,22 @@ static void check_pci_device_reg(struct check *c, struct dt_info *dti, struct no
prop = get_property(node, "reg");
if (!prop) {
- FAIL(c, dti, "Node %s missing PCI reg property", node->fullpath);
+ FAIL(c, dti, node, "missing PCI reg property");
return;
}
cells = (cell_t *)prop->val.val;
if (cells[1] || cells[2])
- FAIL(c, dti, "Node %s PCI reg config space address cells 2 and 3 must be 0",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "PCI reg config space address cells 2 and 3 must be 0");
reg = fdt32_to_cpu(cells[0]);
dev = (reg & 0xf800) >> 11;
func = (reg & 0x700) >> 8;
if (reg & 0xff000000)
- FAIL(c, dti, "Node %s PCI reg address is not configuration space",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "PCI reg address is not configuration space");
if (reg & 0x000000ff)
- FAIL(c, dti, "Node %s PCI reg config space address register number must be 0",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "PCI reg config space address register number must be 0");
if (func == 0) {
snprintf(unit_addr, sizeof(unit_addr), "%x", dev);
@@ -808,8 +874,8 @@ static void check_pci_device_reg(struct check *c, struct dt_info *dti, struct no
if (streq(unitname, unit_addr))
return;
- FAIL(c, dti, "Node %s PCI unit address format error, expected \"%s\"",
- node->fullpath, unit_addr);
+ FAIL(c, dti, node, "PCI unit address format error, expected \"%s\"",
+ unit_addr);
}
WARNING(pci_device_reg, check_pci_device_reg, NULL, &reg_format, &pci_bridge);
@@ -828,7 +894,7 @@ static bool node_is_compatible(struct node *node, const char *compat)
for (str = prop->val.val, end = str + prop->val.len; str < end;
str += strnlen(str, end - str) + 1) {
- if (strneq(str, compat, end - str))
+ if (strprefixeq(str, end - str, compat))
return true;
}
return false;
@@ -865,7 +931,7 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no
if (!cells) {
if (node->parent->parent && !(node->bus == &simple_bus))
- FAIL(c, dti, "Node %s missing or empty reg/ranges property", node->fullpath);
+ FAIL(c, dti, node, "missing or empty reg/ranges property");
return;
}
@@ -875,8 +941,8 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no
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);
+ FAIL(c, dti, node, "simple-bus unit address format error, expected \"%s\"",
+ unit_addr);
}
WARNING(simple_bus_reg, check_simple_bus_reg, NULL, &reg_format, &simple_bus_bridge);
@@ -892,14 +958,12 @@ static void check_unit_address_format(struct check *c, struct dt_info *dti,
return;
if (!strncmp(unitname, "0x", 2)) {
- FAIL(c, dti, "Node %s unit name should not have leading \"0x\"",
- node->fullpath);
+ FAIL(c, dti, node, "unit name should not have leading \"0x\"");
/* skip over 0x for next test */
unitname += 2;
}
if (unitname[0] == '0' && isxdigit(unitname[1]))
- FAIL(c, dti, "Node %s unit name should not have leading 0s",
- node->fullpath);
+ FAIL(c, dti, node, "unit name should not have leading 0s");
}
WARNING(unit_address_format, check_unit_address_format, NULL,
&node_name_format, &pci_bridge, &simple_bus_bridge);
@@ -922,16 +986,38 @@ static void check_avoid_default_addr_size(struct check *c, struct dt_info *dti,
return;
if (node->parent->addr_cells == -1)
- FAIL(c, dti, "Relying on default #address-cells value for %s",
- node->fullpath);
+ FAIL(c, dti, node, "Relying on default #address-cells value");
if (node->parent->size_cells == -1)
- FAIL(c, dti, "Relying on default #size-cells value for %s",
- node->fullpath);
+ FAIL(c, dti, node, "Relying on default #size-cells value");
}
WARNING(avoid_default_addr_size, check_avoid_default_addr_size, NULL,
&addr_size_cells);
+static void check_avoid_unnecessary_addr_size(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+ struct node *child;
+ bool has_reg = false;
+
+ if (!node->parent || node->addr_cells < 0 || node->size_cells < 0)
+ return;
+
+ if (get_property(node, "ranges") || !node->children)
+ return;
+
+ for_each_child(node, child) {
+ prop = get_property(child, "reg");
+ if (prop)
+ has_reg = true;
+ }
+
+ if (!has_reg)
+ FAIL(c, dti, node, "unnecessary #address-cells/#size-cells without \"ranges\" or child \"reg\" property");
+}
+WARNING(avoid_unnecessary_addr_size, check_avoid_unnecessary_addr_size, NULL, &avoid_default_addr_size);
+
static void check_obsolete_chosen_interrupt_controller(struct check *c,
struct dt_info *dti,
struct node *node)
@@ -950,12 +1036,61 @@ static void check_obsolete_chosen_interrupt_controller(struct check *c,
prop = get_property(chosen, "interrupt-controller");
if (prop)
- FAIL(c, dti, "/chosen has obsolete \"interrupt-controller\" "
- "property");
+ FAIL_PROP(c, dti, node, prop,
+ "/chosen has obsolete \"interrupt-controller\" property");
}
WARNING(obsolete_chosen_interrupt_controller,
check_obsolete_chosen_interrupt_controller, NULL);
+static void check_chosen_node_is_root(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ if (!streq(node->name, "chosen"))
+ return;
+
+ if (node->parent != dti->dt)
+ FAIL(c, dti, node, "chosen node must be at root node");
+}
+WARNING(chosen_node_is_root, check_chosen_node_is_root, NULL);
+
+static void check_chosen_node_bootargs(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ if (!streq(node->name, "chosen"))
+ return;
+
+ prop = get_property(node, "bootargs");
+ if (!prop)
+ return;
+
+ c->data = prop->name;
+ check_is_string(c, dti, node);
+}
+WARNING(chosen_node_bootargs, check_chosen_node_bootargs, NULL);
+
+static void check_chosen_node_stdout_path(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ if (!streq(node->name, "chosen"))
+ return;
+
+ prop = get_property(node, "stdout-path");
+ if (!prop) {
+ prop = get_property(node, "linux,stdout-path");
+ if (!prop)
+ return;
+ FAIL_PROP(c, dti, node, prop, "Use 'stdout-path' instead");
+ }
+
+ c->data = prop->name;
+ check_is_string(c, dti, node);
+}
+WARNING(chosen_node_stdout_path, check_chosen_node_stdout_path, NULL);
+
struct provider {
const char *prop_name;
const char *cell_name;
@@ -972,8 +1107,9 @@ static void check_property_phandle_args(struct check *c,
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);
+ FAIL_PROP(c, dti, node, prop,
+ "property size (%d) is invalid, expected multiple of %zu",
+ prop->val.len, sizeof(cell_t));
return;
}
@@ -1004,14 +1140,16 @@ static void check_property_phandle_args(struct check *c,
break;
}
if (!m)
- FAIL(c, dti, "Property '%s', cell %d is not a phandle reference in %s",
- prop->name, cell, node->fullpath);
+ FAIL_PROP(c, dti, node, prop,
+ "cell %d is not a phandle reference",
+ cell);
}
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);
+ FAIL_PROP(c, dti, node, prop,
+ "Could not get phandle node for (cell %d)",
+ cell);
break;
}
@@ -1021,16 +1159,17 @@ static void check_property_phandle_args(struct check *c,
} else if (provider->optional) {
cellsize = 0;
} else {
- FAIL(c, dti, "Missing property '%s' in node %s or bad phandle (referred from %s:%s[%d])",
+ FAIL(c, dti, node, "Missing property '%s' in node %s or bad phandle (referred from %s[%d])",
provider->cell_name,
provider_node->fullpath,
- node->fullpath, prop->name, cell);
+ 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);
+ FAIL_PROP(c, dti, node, prop,
+ "property size (%d) too small for cell size %d",
+ prop->val.len, cellsize);
}
}
}
@@ -1066,7 +1205,7 @@ 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(sound_dai, "sound-dai", "#sound-dai-cells");
WARNING_PROPERTY_PHANDLE_CELLS(thermal_sensors, "thermal-sensors", "#thermal-sensor-cells");
static bool prop_is_gpio(struct property *prop)
@@ -1132,8 +1271,8 @@ static void check_deprecated_gpio_property(struct check *c,
if (!streq(str, "gpio"))
continue;
- FAIL(c, dti, "'[*-]gpio' is deprecated, use '[*-]gpios' instead for %s:%s",
- node->fullpath, prop->name);
+ FAIL_PROP(c, dti, node, prop,
+ "'[*-]gpio' is deprecated, use '[*-]gpios' instead");
}
}
@@ -1167,9 +1306,8 @@ static void check_interrupts_property(struct check *c,
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);
+ FAIL_PROP(c, dti, node, irq_prop, "size (%d) is invalid, expected multiple of %zu",
+ irq_prop->val.len, sizeof(cell_t));
while (parent && !prop) {
if (parent != node && node_is_interrupt_provider(parent)) {
@@ -1187,14 +1325,12 @@ static void check_interrupts_property(struct check *c,
irq_node = get_node_by_phandle(root, phandle);
if (!irq_node) {
- FAIL(c, dti, "Bad interrupt-parent phandle for %s",
- node->fullpath);
+ FAIL_PROP(c, dti, parent, prop, "Bad phandle");
return;
}
if (!node_is_interrupt_provider(irq_node))
- FAIL(c, dti,
- "Missing interrupt-controller or interrupt-map property in %s",
- irq_node->fullpath);
+ FAIL(c, dti, irq_node,
+ "Missing interrupt-controller or interrupt-map property");
break;
}
@@ -1203,23 +1339,21 @@ static void check_interrupts_property(struct check *c,
}
if (!irq_node) {
- FAIL(c, dti, "Missing interrupt-parent for %s", node->fullpath);
+ FAIL(c, dti, node, "Missing interrupt-parent");
return;
}
prop = get_property(irq_node, "#interrupt-cells");
if (!prop) {
- FAIL(c, dti, "Missing #interrupt-cells in interrupt-parent %s",
- irq_node->fullpath);
+ FAIL(c, dti, irq_node, "Missing #interrupt-cells in interrupt-parent");
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);
+ FAIL_PROP(c, dti, node, prop,
+ "size is (%d), expected multiple of %d",
+ irq_prop->val.len, (int)(irq_cells * sizeof(cell_t)));
}
}
WARNING(interrupts_property, check_interrupts_property, &phandle_references);
@@ -1236,6 +1370,9 @@ static struct check *check_table[] = {
&address_cells_is_cell, &size_cells_is_cell, &interrupt_cells_is_cell,
&device_type_is_string, &model_is_string, &status_is_string,
+ &label_is_string,
+
+ &compatible_is_string_list, &names_is_string_list,
&property_name_chars_strict,
&node_name_chars_strict,
@@ -1253,7 +1390,9 @@ static struct check *check_table[] = {
&simple_bus_reg,
&avoid_default_addr_size,
+ &avoid_unnecessary_addr_size,
&obsolete_chosen_interrupt_controller,
+ &chosen_node_is_root, &chosen_node_bootargs, &chosen_node_stdout_path,
&clocks_property,
&cooling_device_property,
@@ -1269,13 +1408,15 @@ static struct check *check_table[] = {
&power_domains_property,
&pwms_property,
&resets_property,
- &sound_dais_property,
+ &sound_dai_property,
&thermal_sensors_property,
&deprecated_gpio_property,
&gpios_property,
&interrupts_property,
+ &alias_paths,
+
&always_fail,
};
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y
index affc81a8f9ab..44af170abfea 100644
--- a/scripts/dtc/dtc-parser.y
+++ b/scripts/dtc/dtc-parser.y
@@ -166,7 +166,17 @@ devicetree:
{
$$ = merge_nodes($1, $3);
}
-
+ | DT_REF nodedef
+ {
+ /*
+ * We rely on the rule being always:
+ * versioninfo plugindecl memreserves devicetree
+ * so $-1 is what we want (plugindecl)
+ */
+ if (!($<flags>-1 & DTSF_PLUGIN))
+ ERROR(&@2, "Label or path %s not found", $1);
+ $$ = add_orphan_node(name_node(build_node(NULL, NULL), ""), $2, $1);
+ }
| devicetree DT_LABEL DT_REF nodedef
{
struct node *target = get_node_by_ref($1, $3);
@@ -209,11 +219,6 @@ devicetree:
$$ = $1;
}
- | /* empty */
- {
- /* build empty node */
- $$ = name_node(build_node(NULL, NULL), "");
- }
;
nodedef:
diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c
index 5ed873c72ad1..c36994e6eac5 100644
--- a/scripts/dtc/dtc.c
+++ b/scripts/dtc/dtc.c
@@ -59,8 +59,6 @@ static void fill_fullpaths(struct node *tree, const char *prefix)
}
/* Usage related data. */
-#define FDT_VERSION(version) _FDT_VERSION(version)
-#define _FDT_VERSION(version) #version
static const char usage_synopsis[] = "dtc [options] <input file>";
static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:a:fb:i:H:sW:E:@Ahv";
static struct option const usage_long_opts[] = {
@@ -98,7 +96,7 @@ static const char * const usage_opts_help[] = {
"\t\tdts - device tree source text\n"
"\t\tdtb - device tree blob\n"
"\t\tasm - assembler source",
- "\n\tBlob version to produce, defaults to "FDT_VERSION(DEFAULT_FDT_VERSION)" (for dtb and asm output)",
+ "\n\tBlob version to produce, defaults to "stringify(DEFAULT_FDT_VERSION)" (for dtb and asm output)",
"\n\tOutput dependency file",
"\n\tMake space for <number> reserve map entries (for dtb and asm output)",
"\n\tMake the blob at least <bytes> long (extra space)",
@@ -319,13 +317,14 @@ int main(int argc, char *argv[])
dti->boot_cpuid_phys = cmdline_boot_cpuid;
fill_fullpaths(dti->dt, "");
- process_checks(force, dti);
/* on a plugin, generate by default */
if (dti->dtsflags & DTSF_PLUGIN) {
generate_fixups = 1;
}
+ process_checks(force, dti);
+
if (auto_label_aliases)
generate_label_tree(dti, "aliases", false);
diff --git a/scripts/dtc/dtc.h b/scripts/dtc/dtc.h
index 35cf926cc14a..3b18a42b866e 100644
--- a/scripts/dtc/dtc.h
+++ b/scripts/dtc/dtc.h
@@ -1,5 +1,5 @@
-#ifndef _DTC_H
-#define _DTC_H
+#ifndef DTC_H
+#define DTC_H
/*
* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
@@ -67,7 +67,8 @@ typedef uint32_t cell_t;
#define streq(a, b) (strcmp((a), (b)) == 0)
-#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
+#define strstarts(s, prefix) (strncmp((s), (prefix), strlen(prefix)) == 0)
+#define strprefixeq(a, n, b) (strlen(b) == (n) && (memcmp(a, b, n) == 0))
#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
@@ -203,7 +204,7 @@ 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);
+struct node *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);
@@ -289,4 +290,4 @@ struct dt_info *dt_from_source(const char *f);
struct dt_info *dt_from_fs(const char *dirname);
-#endif /* _DTC_H */
+#endif /* DTC_H */
diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c
index fcf71541d8a7..8d268fb785db 100644
--- a/scripts/dtc/flattree.c
+++ b/scripts/dtc/flattree.c
@@ -731,7 +731,7 @@ static char *nodename_from_path(const char *ppath, const char *cpath)
plen = strlen(ppath);
- if (!strneq(ppath, cpath, plen))
+ if (!strstarts(cpath, ppath))
die("Path \"%s\" is not valid as a child of \"%s\"\n",
cpath, ppath);
diff --git a/scripts/dtc/libfdt/fdt.c b/scripts/dtc/libfdt/fdt.c
index 22286a1aaeaf..7855a1787763 100644
--- a/scripts/dtc/libfdt/fdt.c
+++ b/scripts/dtc/libfdt/fdt.c
@@ -88,7 +88,7 @@ const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
|| ((offset + len) > fdt_size_dt_struct(fdt)))
return NULL;
- return _fdt_offset_ptr(fdt, offset);
+ return fdt_offset_ptr_(fdt, offset);
}
uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
@@ -123,6 +123,9 @@ uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
/* skip-name offset, length and value */
offset += sizeof(struct fdt_property) - FDT_TAGSIZE
+ fdt32_to_cpu(*lenp);
+ if (fdt_version(fdt) < 0x10 && fdt32_to_cpu(*lenp) >= 8 &&
+ ((offset - fdt32_to_cpu(*lenp)) % 8) != 0)
+ offset += 4;
break;
case FDT_END:
@@ -141,7 +144,7 @@ uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
return tag;
}
-int _fdt_check_node_offset(const void *fdt, int offset)
+int fdt_check_node_offset_(const void *fdt, int offset)
{
if ((offset < 0) || (offset % FDT_TAGSIZE)
|| (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))
@@ -150,7 +153,7 @@ int _fdt_check_node_offset(const void *fdt, int offset)
return offset;
}
-int _fdt_check_prop_offset(const void *fdt, int offset)
+int fdt_check_prop_offset_(const void *fdt, int offset)
{
if ((offset < 0) || (offset % FDT_TAGSIZE)
|| (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))
@@ -165,7 +168,7 @@ int fdt_next_node(const void *fdt, int offset, int *depth)
uint32_t tag;
if (offset >= 0)
- if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
+ if ((nextoffset = fdt_check_node_offset_(fdt, offset)) < 0)
return nextoffset;
do {
@@ -227,7 +230,7 @@ int fdt_next_subnode(const void *fdt, int offset)
return offset;
}
-const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
+const char *fdt_find_string_(const char *strtab, int tabsize, const char *s)
{
int len = strlen(s) + 1;
const char *last = strtab + tabsize - len;
diff --git a/scripts/dtc/libfdt/fdt.h b/scripts/dtc/libfdt/fdt.h
index 526aedb51556..74961f9026d1 100644
--- a/scripts/dtc/libfdt/fdt.h
+++ b/scripts/dtc/libfdt/fdt.h
@@ -1,5 +1,5 @@
-#ifndef _FDT_H
-#define _FDT_H
+#ifndef FDT_H
+#define FDT_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
@@ -108,4 +108,4 @@ struct fdt_property {
#define FDT_V16_SIZE FDT_V3_SIZE
#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
-#endif /* _FDT_H */
+#endif /* FDT_H */
diff --git a/scripts/dtc/libfdt/fdt_overlay.c b/scripts/dtc/libfdt/fdt_overlay.c
index bd81241e6658..bf75388ec9a2 100644
--- a/scripts/dtc/libfdt/fdt_overlay.c
+++ b/scripts/dtc/libfdt/fdt_overlay.c
@@ -1,3 +1,54 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2016 Free Electrons
+ * Copyright (C) 2016 NextThing Co.
+ *
+ * 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>
diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c
index 08de2cce674d..dfb3236da388 100644
--- a/scripts/dtc/libfdt/fdt_ro.c
+++ b/scripts/dtc/libfdt/fdt_ro.c
@@ -55,12 +55,13 @@
#include "libfdt_internal.h"
-static int _fdt_nodename_eq(const void *fdt, int offset,
+static int fdt_nodename_eq_(const void *fdt, int offset,
const char *s, int len)
{
- const char *p = fdt_offset_ptr(fdt, offset + FDT_TAGSIZE, len+1);
+ int olen;
+ const char *p = fdt_get_name(fdt, offset, &olen);
- if (!p)
+ if (!p || olen < len)
/* short match */
return 0;
@@ -80,7 +81,7 @@ const char *fdt_string(const void *fdt, int stroffset)
return (const char *)fdt + fdt_off_dt_strings(fdt) + stroffset;
}
-static int _fdt_string_eq(const void *fdt, int stroffset,
+static int fdt_string_eq_(const void *fdt, int stroffset,
const char *s, int len)
{
const char *p = fdt_string(fdt, stroffset);
@@ -117,8 +118,8 @@ uint32_t fdt_get_max_phandle(const void *fdt)
int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)
{
FDT_CHECK_HEADER(fdt);
- *address = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->address);
- *size = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->size);
+ *address = fdt64_to_cpu(fdt_mem_rsv_(fdt, n)->address);
+ *size = fdt64_to_cpu(fdt_mem_rsv_(fdt, n)->size);
return 0;
}
@@ -126,12 +127,12 @@ int fdt_num_mem_rsv(const void *fdt)
{
int i = 0;
- while (fdt64_to_cpu(_fdt_mem_rsv(fdt, i)->size) != 0)
+ while (fdt64_to_cpu(fdt_mem_rsv_(fdt, i)->size) != 0)
i++;
return i;
}
-static int _nextprop(const void *fdt, int offset)
+static int nextprop_(const void *fdt, int offset)
{
uint32_t tag;
int nextoffset;
@@ -166,7 +167,7 @@ int fdt_subnode_offset_namelen(const void *fdt, int offset,
(offset >= 0) && (depth >= 0);
offset = fdt_next_node(fdt, offset, &depth))
if ((depth == 1)
- && _fdt_nodename_eq(fdt, offset, name, namelen))
+ && fdt_nodename_eq_(fdt, offset, name, namelen))
return offset;
if (depth < 0)
@@ -232,17 +233,35 @@ int fdt_path_offset(const void *fdt, const char *path)
const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)
{
- const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);
+ const struct fdt_node_header *nh = fdt_offset_ptr_(fdt, nodeoffset);
+ const char *nameptr;
int err;
if (((err = fdt_check_header(fdt)) != 0)
- || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
+ || ((err = fdt_check_node_offset_(fdt, nodeoffset)) < 0))
goto fail;
+ nameptr = nh->name;
+
+ if (fdt_version(fdt) < 0x10) {
+ /*
+ * For old FDT versions, match the naming conventions of V16:
+ * give only the leaf name (after all /). The actual tree
+ * contents are loosely checked.
+ */
+ const char *leaf;
+ leaf = strrchr(nameptr, '/');
+ if (leaf == NULL) {
+ err = -FDT_ERR_BADSTRUCTURE;
+ goto fail;
+ }
+ nameptr = leaf+1;
+ }
+
if (len)
- *len = strlen(nh->name);
+ *len = strlen(nameptr);
- return nh->name;
+ return nameptr;
fail:
if (len)
@@ -254,34 +273,34 @@ int fdt_first_property_offset(const void *fdt, int nodeoffset)
{
int offset;
- if ((offset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
+ if ((offset = fdt_check_node_offset_(fdt, nodeoffset)) < 0)
return offset;
- return _nextprop(fdt, offset);
+ return nextprop_(fdt, offset);
}
int fdt_next_property_offset(const void *fdt, int offset)
{
- if ((offset = _fdt_check_prop_offset(fdt, offset)) < 0)
+ if ((offset = fdt_check_prop_offset_(fdt, offset)) < 0)
return offset;
- return _nextprop(fdt, offset);
+ return nextprop_(fdt, offset);
}
-const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
- int offset,
- int *lenp)
+static const struct fdt_property *fdt_get_property_by_offset_(const void *fdt,
+ int offset,
+ int *lenp)
{
int err;
const struct fdt_property *prop;
- if ((err = _fdt_check_prop_offset(fdt, offset)) < 0) {
+ if ((err = fdt_check_prop_offset_(fdt, offset)) < 0) {
if (lenp)
*lenp = err;
return NULL;
}
- prop = _fdt_offset_ptr(fdt, offset);
+ prop = fdt_offset_ptr_(fdt, offset);
if (lenp)
*lenp = fdt32_to_cpu(prop->len);
@@ -289,23 +308,44 @@ const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
return prop;
}
-const struct fdt_property *fdt_get_property_namelen(const void *fdt,
- int offset,
- const char *name,
- int namelen, int *lenp)
+const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
+ int offset,
+ int *lenp)
+{
+ /* Prior to version 16, properties may need realignment
+ * and this API does not work. fdt_getprop_*() will, however. */
+
+ if (fdt_version(fdt) < 0x10) {
+ if (lenp)
+ *lenp = -FDT_ERR_BADVERSION;
+ return NULL;
+ }
+
+ return fdt_get_property_by_offset_(fdt, offset, lenp);
+}
+
+static const struct fdt_property *fdt_get_property_namelen_(const void *fdt,
+ int offset,
+ const char *name,
+ int namelen,
+ int *lenp,
+ int *poffset)
{
for (offset = fdt_first_property_offset(fdt, offset);
(offset >= 0);
(offset = fdt_next_property_offset(fdt, offset))) {
const struct fdt_property *prop;
- if (!(prop = fdt_get_property_by_offset(fdt, offset, lenp))) {
+ if (!(prop = fdt_get_property_by_offset_(fdt, offset, lenp))) {
offset = -FDT_ERR_INTERNAL;
break;
}
- if (_fdt_string_eq(fdt, fdt32_to_cpu(prop->nameoff),
- name, namelen))
+ if (fdt_string_eq_(fdt, fdt32_to_cpu(prop->nameoff),
+ name, namelen)) {
+ if (poffset)
+ *poffset = offset;
return prop;
+ }
}
if (lenp)
@@ -313,6 +353,25 @@ const struct fdt_property *fdt_get_property_namelen(const void *fdt,
return NULL;
}
+
+const struct fdt_property *fdt_get_property_namelen(const void *fdt,
+ int offset,
+ const char *name,
+ int namelen, int *lenp)
+{
+ /* Prior to version 16, properties may need realignment
+ * and this API does not work. fdt_getprop_*() will, however. */
+ if (fdt_version(fdt) < 0x10) {
+ if (lenp)
+ *lenp = -FDT_ERR_BADVERSION;
+ return NULL;
+ }
+
+ return fdt_get_property_namelen_(fdt, offset, name, namelen, lenp,
+ NULL);
+}
+
+
const struct fdt_property *fdt_get_property(const void *fdt,
int nodeoffset,
const char *name, int *lenp)
@@ -324,12 +383,18 @@ const struct fdt_property *fdt_get_property(const void *fdt,
const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
const char *name, int namelen, int *lenp)
{
+ int poffset;
const struct fdt_property *prop;
- prop = fdt_get_property_namelen(fdt, nodeoffset, name, namelen, lenp);
+ prop = fdt_get_property_namelen_(fdt, nodeoffset, name, namelen, lenp,
+ &poffset);
if (!prop)
return NULL;
+ /* Handle realignment */
+ if (fdt_version(fdt) < 0x10 && (poffset + sizeof(*prop)) % 8 &&
+ fdt32_to_cpu(prop->len) >= 8)
+ return prop->data + 4;
return prop->data;
}
@@ -338,11 +403,16 @@ const void *fdt_getprop_by_offset(const void *fdt, int offset,
{
const struct fdt_property *prop;
- prop = fdt_get_property_by_offset(fdt, offset, lenp);
+ prop = fdt_get_property_by_offset_(fdt, offset, lenp);
if (!prop)
return NULL;
if (namep)
*namep = fdt_string(fdt, fdt32_to_cpu(prop->nameoff));
+
+ /* Handle realignment */
+ if (fdt_version(fdt) < 0x10 && (offset + sizeof(*prop)) % 8 &&
+ fdt32_to_cpu(prop->len) >= 8)
+ return prop->data + 4;
return prop->data;
}
diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c
index 5c3a2bb0bc6b..9b829051e444 100644
--- a/scripts/dtc/libfdt/fdt_rw.c
+++ b/scripts/dtc/libfdt/fdt_rw.c
@@ -55,8 +55,8 @@
#include "libfdt_internal.h"
-static int _fdt_blocks_misordered(const void *fdt,
- int mem_rsv_size, int struct_size)
+static int fdt_blocks_misordered_(const void *fdt,
+ int mem_rsv_size, int struct_size)
{
return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8))
|| (fdt_off_dt_struct(fdt) <
@@ -67,13 +67,13 @@ static int _fdt_blocks_misordered(const void *fdt,
(fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt)));
}
-static int _fdt_rw_check_header(void *fdt)
+static int fdt_rw_check_header_(void *fdt)
{
FDT_CHECK_HEADER(fdt);
if (fdt_version(fdt) < 17)
return -FDT_ERR_BADVERSION;
- if (_fdt_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
+ if (fdt_blocks_misordered_(fdt, sizeof(struct fdt_reserve_entry),
fdt_size_dt_struct(fdt)))
return -FDT_ERR_BADLAYOUT;
if (fdt_version(fdt) > 17)
@@ -84,20 +84,20 @@ static int _fdt_rw_check_header(void *fdt)
#define FDT_RW_CHECK_HEADER(fdt) \
{ \
- int __err; \
- if ((__err = _fdt_rw_check_header(fdt)) != 0) \
- return __err; \
+ int err_; \
+ if ((err_ = fdt_rw_check_header_(fdt)) != 0) \
+ return err_; \
}
-static inline int _fdt_data_size(void *fdt)
+static inline int fdt_data_size_(void *fdt)
{
return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
}
-static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
+static int fdt_splice_(void *fdt, void *splicepoint, int oldlen, int newlen)
{
char *p = splicepoint;
- char *end = (char *)fdt + _fdt_data_size(fdt);
+ char *end = (char *)fdt + fdt_data_size_(fdt);
if (((p + oldlen) < p) || ((p + oldlen) > end))
return -FDT_ERR_BADOFFSET;
@@ -109,12 +109,12 @@ static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
return 0;
}
-static int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
+static int fdt_splice_mem_rsv_(void *fdt, struct fdt_reserve_entry *p,
int oldn, int newn)
{
int delta = (newn - oldn) * sizeof(*p);
int err;
- err = _fdt_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
+ err = fdt_splice_(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
if (err)
return err;
fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta);
@@ -122,13 +122,13 @@ static int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
return 0;
}
-static int _fdt_splice_struct(void *fdt, void *p,
+static int fdt_splice_struct_(void *fdt, void *p,
int oldlen, int newlen)
{
int delta = newlen - oldlen;
int err;
- if ((err = _fdt_splice(fdt, p, oldlen, newlen)))
+ if ((err = fdt_splice_(fdt, p, oldlen, newlen)))
return err;
fdt_set_size_dt_struct(fdt, fdt_size_dt_struct(fdt) + delta);
@@ -136,20 +136,20 @@ static int _fdt_splice_struct(void *fdt, void *p,
return 0;
}
-static int _fdt_splice_string(void *fdt, int newlen)
+static int fdt_splice_string_(void *fdt, int newlen)
{
void *p = (char *)fdt
+ fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
int err;
- if ((err = _fdt_splice(fdt, p, 0, newlen)))
+ if ((err = fdt_splice_(fdt, p, 0, newlen)))
return err;
fdt_set_size_dt_strings(fdt, fdt_size_dt_strings(fdt) + newlen);
return 0;
}
-static int _fdt_find_add_string(void *fdt, const char *s)
+static int fdt_find_add_string_(void *fdt, const char *s)
{
char *strtab = (char *)fdt + fdt_off_dt_strings(fdt);
const char *p;
@@ -157,13 +157,13 @@ static int _fdt_find_add_string(void *fdt, const char *s)
int len = strlen(s) + 1;
int err;
- p = _fdt_find_string(strtab, fdt_size_dt_strings(fdt), s);
+ p = fdt_find_string_(strtab, fdt_size_dt_strings(fdt), s);
if (p)
/* found it */
return (p - strtab);
new = strtab + fdt_size_dt_strings(fdt);
- err = _fdt_splice_string(fdt, len);
+ err = fdt_splice_string_(fdt, len);
if (err)
return err;
@@ -178,8 +178,8 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
FDT_RW_CHECK_HEADER(fdt);
- re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
- err = _fdt_splice_mem_rsv(fdt, re, 0, 1);
+ re = fdt_mem_rsv_w_(fdt, fdt_num_mem_rsv(fdt));
+ err = fdt_splice_mem_rsv_(fdt, re, 0, 1);
if (err)
return err;
@@ -190,17 +190,17 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
int fdt_del_mem_rsv(void *fdt, int n)
{
- struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
+ struct fdt_reserve_entry *re = fdt_mem_rsv_w_(fdt, n);
FDT_RW_CHECK_HEADER(fdt);
if (n >= fdt_num_mem_rsv(fdt))
return -FDT_ERR_NOTFOUND;
- return _fdt_splice_mem_rsv(fdt, re, 1, 0);
+ return fdt_splice_mem_rsv_(fdt, re, 1, 0);
}
-static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
+static int fdt_resize_property_(void *fdt, int nodeoffset, const char *name,
int len, struct fdt_property **prop)
{
int oldlen;
@@ -210,7 +210,7 @@ static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
if (!*prop)
return oldlen;
- if ((err = _fdt_splice_struct(fdt, (*prop)->data, FDT_TAGALIGN(oldlen),
+ if ((err = fdt_splice_struct_(fdt, (*prop)->data, FDT_TAGALIGN(oldlen),
FDT_TAGALIGN(len))))
return err;
@@ -218,7 +218,7 @@ static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
return 0;
}
-static int _fdt_add_property(void *fdt, int nodeoffset, const char *name,
+static int fdt_add_property_(void *fdt, int nodeoffset, const char *name,
int len, struct fdt_property **prop)
{
int proplen;
@@ -226,17 +226,17 @@ static int _fdt_add_property(void *fdt, int nodeoffset, const char *name,
int namestroff;
int err;
- if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
+ if ((nextoffset = fdt_check_node_offset_(fdt, nodeoffset)) < 0)
return nextoffset;
- namestroff = _fdt_find_add_string(fdt, name);
+ namestroff = fdt_find_add_string_(fdt, name);
if (namestroff < 0)
return namestroff;
- *prop = _fdt_offset_ptr_w(fdt, nextoffset);
+ *prop = fdt_offset_ptr_w_(fdt, nextoffset);
proplen = sizeof(**prop) + FDT_TAGALIGN(len);
- err = _fdt_splice_struct(fdt, *prop, 0, proplen);
+ err = fdt_splice_struct_(fdt, *prop, 0, proplen);
if (err)
return err;
@@ -260,7 +260,7 @@ int fdt_set_name(void *fdt, int nodeoffset, const char *name)
newlen = strlen(name);
- err = _fdt_splice_struct(fdt, namep, FDT_TAGALIGN(oldlen+1),
+ err = fdt_splice_struct_(fdt, namep, FDT_TAGALIGN(oldlen+1),
FDT_TAGALIGN(newlen+1));
if (err)
return err;
@@ -277,9 +277,9 @@ int fdt_setprop_placeholder(void *fdt, int nodeoffset, const char *name,
FDT_RW_CHECK_HEADER(fdt);
- err = _fdt_resize_property(fdt, nodeoffset, name, len, &prop);
+ err = fdt_resize_property_(fdt, nodeoffset, name, len, &prop);
if (err == -FDT_ERR_NOTFOUND)
- err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
+ err = fdt_add_property_(fdt, nodeoffset, name, len, &prop);
if (err)
return err;
@@ -313,7 +313,7 @@ int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
if (prop) {
newlen = len + oldlen;
- err = _fdt_splice_struct(fdt, prop->data,
+ err = fdt_splice_struct_(fdt, prop->data,
FDT_TAGALIGN(oldlen),
FDT_TAGALIGN(newlen));
if (err)
@@ -321,7 +321,7 @@ int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
prop->len = cpu_to_fdt32(newlen);
memcpy(prop->data + oldlen, val, len);
} else {
- err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
+ err = fdt_add_property_(fdt, nodeoffset, name, len, &prop);
if (err)
return err;
memcpy(prop->data, val, len);
@@ -341,7 +341,7 @@ int fdt_delprop(void *fdt, int nodeoffset, const char *name)
return len;
proplen = sizeof(*prop) + FDT_TAGALIGN(len);
- return _fdt_splice_struct(fdt, prop, proplen, 0);
+ return fdt_splice_struct_(fdt, prop, proplen, 0);
}
int fdt_add_subnode_namelen(void *fdt, int parentoffset,
@@ -369,10 +369,10 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
tag = fdt_next_tag(fdt, offset, &nextoffset);
} while ((tag == FDT_PROP) || (tag == FDT_NOP));
- nh = _fdt_offset_ptr_w(fdt, offset);
+ nh = fdt_offset_ptr_w_(fdt, offset);
nodelen = sizeof(*nh) + FDT_TAGALIGN(namelen+1) + FDT_TAGSIZE;
- err = _fdt_splice_struct(fdt, nh, 0, nodelen);
+ err = fdt_splice_struct_(fdt, nh, 0, nodelen);
if (err)
return err;
@@ -396,15 +396,15 @@ int fdt_del_node(void *fdt, int nodeoffset)
FDT_RW_CHECK_HEADER(fdt);
- endoffset = _fdt_node_end_offset(fdt, nodeoffset);
+ endoffset = fdt_node_end_offset_(fdt, nodeoffset);
if (endoffset < 0)
return endoffset;
- return _fdt_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset),
+ return fdt_splice_struct_(fdt, fdt_offset_ptr_w_(fdt, nodeoffset),
endoffset - nodeoffset, 0);
}
-static void _fdt_packblocks(const char *old, char *new,
+static void fdt_packblocks_(const char *old, char *new,
int mem_rsv_size, int struct_size)
{
int mem_rsv_off, struct_off, strings_off;
@@ -450,7 +450,7 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
return struct_size;
}
- if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) {
+ if (!fdt_blocks_misordered_(fdt, mem_rsv_size, struct_size)) {
/* no further work necessary */
err = fdt_move(fdt, buf, bufsize);
if (err)
@@ -478,7 +478,7 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
return -FDT_ERR_NOSPACE;
}
- _fdt_packblocks(fdt, tmp, mem_rsv_size, struct_size);
+ fdt_packblocks_(fdt, tmp, mem_rsv_size, struct_size);
memmove(buf, tmp, newsize);
fdt_set_magic(buf, FDT_MAGIC);
@@ -498,8 +498,8 @@ int fdt_pack(void *fdt)
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
* sizeof(struct fdt_reserve_entry);
- _fdt_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
- fdt_set_totalsize(fdt, _fdt_data_size(fdt));
+ fdt_packblocks_(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
+ fdt_set_totalsize(fdt, fdt_data_size_(fdt));
return 0;
}
diff --git a/scripts/dtc/libfdt/fdt_sw.c b/scripts/dtc/libfdt/fdt_sw.c
index 2bd15e7aef87..6d33cc29d022 100644
--- a/scripts/dtc/libfdt/fdt_sw.c
+++ b/scripts/dtc/libfdt/fdt_sw.c
@@ -55,7 +55,7 @@
#include "libfdt_internal.h"
-static int _fdt_sw_check_header(void *fdt)
+static int fdt_sw_check_header_(void *fdt)
{
if (fdt_magic(fdt) != FDT_SW_MAGIC)
return -FDT_ERR_BADMAGIC;
@@ -66,11 +66,11 @@ static int _fdt_sw_check_header(void *fdt)
#define FDT_SW_CHECK_HEADER(fdt) \
{ \
int err; \
- if ((err = _fdt_sw_check_header(fdt)) != 0) \
+ if ((err = fdt_sw_check_header_(fdt)) != 0) \
return err; \
}
-static void *_fdt_grab_space(void *fdt, size_t len)
+static void *fdt_grab_space_(void *fdt, size_t len)
{
int offset = fdt_size_dt_struct(fdt);
int spaceleft;
@@ -82,7 +82,7 @@ static void *_fdt_grab_space(void *fdt, size_t len)
return NULL;
fdt_set_size_dt_struct(fdt, offset + len);
- return _fdt_offset_ptr_w(fdt, offset);
+ return fdt_offset_ptr_w_(fdt, offset);
}
int fdt_create(void *buf, int bufsize)
@@ -174,7 +174,7 @@ int fdt_begin_node(void *fdt, const char *name)
FDT_SW_CHECK_HEADER(fdt);
- nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
+ nh = fdt_grab_space_(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
if (! nh)
return -FDT_ERR_NOSPACE;
@@ -189,7 +189,7 @@ int fdt_end_node(void *fdt)
FDT_SW_CHECK_HEADER(fdt);
- en = _fdt_grab_space(fdt, FDT_TAGSIZE);
+ en = fdt_grab_space_(fdt, FDT_TAGSIZE);
if (! en)
return -FDT_ERR_NOSPACE;
@@ -197,7 +197,7 @@ int fdt_end_node(void *fdt)
return 0;
}
-static int _fdt_find_add_string(void *fdt, const char *s)
+static int fdt_find_add_string_(void *fdt, const char *s)
{
char *strtab = (char *)fdt + fdt_totalsize(fdt);
const char *p;
@@ -205,7 +205,7 @@ static int _fdt_find_add_string(void *fdt, const char *s)
int len = strlen(s) + 1;
int struct_top, offset;
- p = _fdt_find_string(strtab - strtabsize, strtabsize, s);
+ p = fdt_find_string_(strtab - strtabsize, strtabsize, s);
if (p)
return p - strtab;
@@ -227,11 +227,11 @@ int fdt_property_placeholder(void *fdt, const char *name, int len, void **valp)
FDT_SW_CHECK_HEADER(fdt);
- nameoff = _fdt_find_add_string(fdt, name);
+ nameoff = fdt_find_add_string_(fdt, name);
if (nameoff == 0)
return -FDT_ERR_NOSPACE;
- prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
+ prop = fdt_grab_space_(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
if (! prop)
return -FDT_ERR_NOSPACE;
@@ -265,7 +265,7 @@ int fdt_finish(void *fdt)
FDT_SW_CHECK_HEADER(fdt);
/* Add terminator */
- end = _fdt_grab_space(fdt, sizeof(*end));
+ end = fdt_grab_space_(fdt, sizeof(*end));
if (! end)
return -FDT_ERR_NOSPACE;
*end = cpu_to_fdt32(FDT_END);
@@ -281,7 +281,7 @@ int fdt_finish(void *fdt)
while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
if (tag == FDT_PROP) {
struct fdt_property *prop =
- _fdt_offset_ptr_w(fdt, offset);
+ fdt_offset_ptr_w_(fdt, offset);
int nameoff;
nameoff = fdt32_to_cpu(prop->nameoff);
diff --git a/scripts/dtc/libfdt/fdt_wip.c b/scripts/dtc/libfdt/fdt_wip.c
index 5e859198622b..534c1cbbb2f3 100644
--- a/scripts/dtc/libfdt/fdt_wip.c
+++ b/scripts/dtc/libfdt/fdt_wip.c
@@ -93,7 +93,7 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
val, len);
}
-static void _fdt_nop_region(void *start, int len)
+static void fdt_nop_region_(void *start, int len)
{
fdt32_t *p;
@@ -110,12 +110,12 @@ int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
if (!prop)
return len;
- _fdt_nop_region(prop, len + sizeof(*prop));
+ fdt_nop_region_(prop, len + sizeof(*prop));
return 0;
}
-int _fdt_node_end_offset(void *fdt, int offset)
+int fdt_node_end_offset_(void *fdt, int offset)
{
int depth = 0;
@@ -129,11 +129,11 @@ int fdt_nop_node(void *fdt, int nodeoffset)
{
int endoffset;
- endoffset = _fdt_node_end_offset(fdt, nodeoffset);
+ endoffset = fdt_node_end_offset_(fdt, nodeoffset);
if (endoffset < 0)
return endoffset;
- _fdt_nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0),
+ fdt_nop_region_(fdt_offset_ptr_w(fdt, nodeoffset, 0),
endoffset - nodeoffset);
return 0;
}
diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h
index 7f83023ee109..1e27780e1185 100644
--- a/scripts/dtc/libfdt/libfdt.h
+++ b/scripts/dtc/libfdt/libfdt.h
@@ -1,5 +1,5 @@
-#ifndef _LIBFDT_H
-#define _LIBFDT_H
+#ifndef LIBFDT_H
+#define LIBFDT_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
@@ -54,7 +54,7 @@
#include "libfdt_env.h"
#include "fdt.h"
-#define FDT_FIRST_SUPPORTED_VERSION 0x10
+#define FDT_FIRST_SUPPORTED_VERSION 0x02
#define FDT_LAST_SUPPORTED_VERSION 0x11
/* Error codes: informative error codes */
@@ -225,23 +225,23 @@ int fdt_next_subnode(const void *fdt, int offset);
#define fdt_size_dt_strings(fdt) (fdt_get_header(fdt, size_dt_strings))
#define fdt_size_dt_struct(fdt) (fdt_get_header(fdt, size_dt_struct))
-#define __fdt_set_hdr(name) \
+#define fdt_set_hdr_(name) \
static inline void fdt_set_##name(void *fdt, uint32_t val) \
{ \
struct fdt_header *fdth = (struct fdt_header *)fdt; \
fdth->name = cpu_to_fdt32(val); \
}
-__fdt_set_hdr(magic);
-__fdt_set_hdr(totalsize);
-__fdt_set_hdr(off_dt_struct);
-__fdt_set_hdr(off_dt_strings);
-__fdt_set_hdr(off_mem_rsvmap);
-__fdt_set_hdr(version);
-__fdt_set_hdr(last_comp_version);
-__fdt_set_hdr(boot_cpuid_phys);
-__fdt_set_hdr(size_dt_strings);
-__fdt_set_hdr(size_dt_struct);
-#undef __fdt_set_hdr
+fdt_set_hdr_(magic);
+fdt_set_hdr_(totalsize);
+fdt_set_hdr_(off_dt_struct);
+fdt_set_hdr_(off_dt_strings);
+fdt_set_hdr_(off_mem_rsvmap);
+fdt_set_hdr_(version);
+fdt_set_hdr_(last_comp_version);
+fdt_set_hdr_(boot_cpuid_phys);
+fdt_set_hdr_(size_dt_strings);
+fdt_set_hdr_(size_dt_struct);
+#undef fdt_set_hdr_
/**
* fdt_check_header - sanity check a device tree or possible device tree
@@ -527,6 +527,9 @@ int fdt_next_property_offset(const void *fdt, int offset);
* offset. If lenp is non-NULL, the length of the property value is
* also returned, in the integer pointed to by lenp.
*
+ * Note that this code only works on device tree versions >= 16. fdt_getprop()
+ * works on all versions.
+ *
* returns:
* pointer to the structure representing the property
* if lenp is non-NULL, *lenp contains the length of the property
@@ -1449,7 +1452,7 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
const void *val, int len);
/**
- * fdt_setprop _placeholder - allocate space for a property
+ * 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
@@ -1896,4 +1899,4 @@ int fdt_overlay_apply(void *fdt, void *fdto);
const char *fdt_strerror(int errval);
-#endif /* _LIBFDT_H */
+#endif /* LIBFDT_H */
diff --git a/scripts/dtc/libfdt/libfdt_env.h b/scripts/dtc/libfdt/libfdt_env.h
index 952056cddf09..bd2474628775 100644
--- a/scripts/dtc/libfdt/libfdt_env.h
+++ b/scripts/dtc/libfdt/libfdt_env.h
@@ -1,5 +1,5 @@
-#ifndef _LIBFDT_ENV_H
-#define _LIBFDT_ENV_H
+#ifndef LIBFDT_ENV_H
+#define LIBFDT_ENV_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
@@ -109,4 +109,31 @@ static inline fdt64_t cpu_to_fdt64(uint64_t x)
#undef CPU_TO_FDT16
#undef EXTRACT_BYTE
-#endif /* _LIBFDT_ENV_H */
+#ifdef __APPLE__
+#include <AvailabilityMacros.h>
+
+/* strnlen() is not available on Mac OS < 10.7 */
+# if !defined(MAC_OS_X_VERSION_10_7) || (MAC_OS_X_VERSION_MAX_ALLOWED < \
+ MAC_OS_X_VERSION_10_7)
+
+#define strnlen fdt_strnlen
+
+/*
+ * fdt_strnlen: returns the length of a string or max_count - which ever is
+ * smallest.
+ * Input 1 string: the string whose size is to be determined
+ * Input 2 max_count: the maximum value returned by this function
+ * Output: length of the string or max_count (the smallest of the two)
+ */
+static inline size_t fdt_strnlen(const char *string, size_t max_count)
+{
+ const char *p = memchr(string, 0, max_count);
+ return p ? p - string : max_count;
+}
+
+#endif /* !defined(MAC_OS_X_VERSION_10_7) || (MAC_OS_X_VERSION_MAX_ALLOWED <
+ MAC_OS_X_VERSION_10_7) */
+
+#endif /* __APPLE__ */
+
+#endif /* LIBFDT_ENV_H */
diff --git a/scripts/dtc/libfdt/libfdt_internal.h b/scripts/dtc/libfdt/libfdt_internal.h
index 02cfa6fb612d..7681e192295b 100644
--- a/scripts/dtc/libfdt/libfdt_internal.h
+++ b/scripts/dtc/libfdt/libfdt_internal.h
@@ -1,5 +1,5 @@
-#ifndef _LIBFDT_INTERNAL_H
-#define _LIBFDT_INTERNAL_H
+#ifndef LIBFDT_INTERNAL_H
+#define LIBFDT_INTERNAL_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
@@ -57,27 +57,27 @@
#define FDT_CHECK_HEADER(fdt) \
{ \
- int __err; \
- if ((__err = fdt_check_header(fdt)) != 0) \
- return __err; \
+ int err_; \
+ if ((err_ = fdt_check_header(fdt)) != 0) \
+ return err_; \
}
-int _fdt_check_node_offset(const void *fdt, int offset);
-int _fdt_check_prop_offset(const void *fdt, int offset);
-const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
-int _fdt_node_end_offset(void *fdt, int nodeoffset);
+int fdt_check_node_offset_(const void *fdt, int offset);
+int fdt_check_prop_offset_(const void *fdt, int offset);
+const char *fdt_find_string_(const char *strtab, int tabsize, const char *s);
+int fdt_node_end_offset_(void *fdt, int nodeoffset);
-static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
+static inline const void *fdt_offset_ptr_(const void *fdt, int offset)
{
return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;
}
-static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
+static inline void *fdt_offset_ptr_w_(void *fdt, int offset)
{
- return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);
+ return (void *)(uintptr_t)fdt_offset_ptr_(fdt, offset);
}
-static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
+static inline const struct fdt_reserve_entry *fdt_mem_rsv_(const void *fdt, int n)
{
const struct fdt_reserve_entry *rsv_table =
(const struct fdt_reserve_entry *)
@@ -85,11 +85,11 @@ static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int
return rsv_table + n;
}
-static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
+static inline struct fdt_reserve_entry *fdt_mem_rsv_w_(void *fdt, int n)
{
- return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);
+ return (void *)(uintptr_t)fdt_mem_rsv_(fdt, n);
}
#define FDT_SW_MAGIC (~FDT_MAGIC)
-#endif /* _LIBFDT_INTERNAL_H */
+#endif /* LIBFDT_INTERNAL_H */
diff --git a/scripts/dtc/livetree.c b/scripts/dtc/livetree.c
index 6846ad2fd6d2..57b7db2ed153 100644
--- a/scripts/dtc/livetree.c
+++ b/scripts/dtc/livetree.c
@@ -216,7 +216,7 @@ 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)
+struct node * add_orphan_node(struct node *dt, struct node *new_node, char *ref)
{
static unsigned int next_orphan_fragment = 0;
struct node *node;
@@ -236,6 +236,7 @@ void add_orphan_node(struct node *dt, struct node *new_node, char *ref)
name_node(node, name);
add_child(dt, node);
+ return dt;
}
struct node *chain_node(struct node *first, struct node *list)
@@ -507,7 +508,7 @@ struct node *get_node_by_path(struct node *tree, const char *path)
for_each_child(tree, child) {
if (p && (strlen(child->name) == p-path) &&
- strneq(path, child->name, p-path))
+ strprefixeq(path, p - path, child->name))
return get_node_by_path(child, p+1);
else if (!p && streq(path, child->name))
return child;
@@ -540,7 +541,10 @@ struct node *get_node_by_phandle(struct node *tree, cell_t phandle)
{
struct node *child, *node;
- assert((phandle != 0) && (phandle != -1));
+ if ((phandle == 0) || (phandle == -1)) {
+ assert(generate_fixups);
+ return NULL;
+ }
if (tree->phandle == phandle) {
if (tree->deleted)
diff --git a/scripts/dtc/srcpos.c b/scripts/dtc/srcpos.c
index 9d38459902f3..cb6ed0e3e5e4 100644
--- a/scripts/dtc/srcpos.c
+++ b/scripts/dtc/srcpos.c
@@ -209,8 +209,6 @@ struct srcpos srcpos_empty = {
.file = NULL,
};
-#define TAB_SIZE 8
-
void srcpos_update(struct srcpos *pos, const char *text, int len)
{
int i;
@@ -224,9 +222,6 @@ void srcpos_update(struct srcpos *pos, const char *text, int len)
if (text[i] == '\n') {
current_srcfile->lineno++;
current_srcfile->colno = 1;
- } else if (text[i] == '\t') {
- current_srcfile->colno =
- ALIGN(current_srcfile->colno, TAB_SIZE);
} else {
current_srcfile->colno++;
}
diff --git a/scripts/dtc/srcpos.h b/scripts/dtc/srcpos.h
index 7caca8257c6d..9ded12a3830a 100644
--- a/scripts/dtc/srcpos.h
+++ b/scripts/dtc/srcpos.h
@@ -17,8 +17,8 @@
* USA
*/
-#ifndef _SRCPOS_H_
-#define _SRCPOS_H_
+#ifndef SRCPOS_H
+#define SRCPOS_H
#include <stdio.h>
#include <stdbool.h>
@@ -114,4 +114,4 @@ extern void PRINTF(3, 4) srcpos_error(struct srcpos *pos, const char *prefix,
extern void srcpos_set_line(char *f, int l);
-#endif /* _SRCPOS_H_ */
+#endif /* SRCPOS_H */
diff --git a/scripts/dtc/util.h b/scripts/dtc/util.h
index ad5f41199edb..66fba8ea709b 100644
--- a/scripts/dtc/util.h
+++ b/scripts/dtc/util.h
@@ -1,5 +1,5 @@
-#ifndef _UTIL_H
-#define _UTIL_H
+#ifndef UTIL_H
+#define UTIL_H
#include <stdarg.h>
#include <stdbool.h>
@@ -35,6 +35,9 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define stringify(s) stringify_(s)
+#define stringify_(s) #s
+
static inline void NORETURN PRINTF(1, 2) die(const char *str, ...)
{
va_list ap;
@@ -260,4 +263,4 @@ void NORETURN util_usage(const char *errmsg, const char *synopsis,
case 'V': util_version(); \
case '?': usage("unknown option");
-#endif /* _UTIL_H */
+#endif /* UTIL_H */
diff --git a/scripts/dtc/version_gen.h b/scripts/dtc/version_gen.h
index 6a4e84798966..ad87849e333b 100644
--- a/scripts/dtc/version_gen.h
+++ b/scripts/dtc/version_gen.h
@@ -1 +1 @@
-#define DTC_VERSION "DTC 1.4.5-gc1e55a55"
+#define DTC_VERSION "DTC 1.4.6-gaadd0b65"
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