GitHub-Mirror/build
2
0
Fork 0
mirror of https://github.com/Fishwaldo/build.git synced 2025-03-26 08:41:54 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
build/patch/kernel/sun8i-dev/scripts-dtc-Update-to-version-with-overlays.patch

2341 lines
71 KiB
Diff
Raw Normal View History

re-integrate overlay patches using DGibson DTC
2017-05-01 18:46:20 -04:00
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index 3d18e45..5adfc8f 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -72,17 +72,16 @@ struct check {
#define CHECK(_nm, _fn, _d, ...) \
CHECK_ENTRY(_nm, _fn, _d, false, false, __VA_ARGS__)
-#ifdef __GNUC__
-static inline void check_msg(struct check *c, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
-#endif
-static inline void check_msg(struct check *c, const char *fmt, ...)
+static inline void PRINTF(3, 4) check_msg(struct check *c, struct dt_info *dti,
+ const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if ((c->warn && (quiet < 1))
|| (c->error && (quiet < 2))) {
- fprintf(stderr, "%s (%s): ",
+ fprintf(stderr, "%s: %s (%s): ",
+ strcmp(dti->outname, "-") ? dti->outname : "<stdout>",
(c->error) ? "ERROR" : "Warning", c->name);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
@@ -90,11 +89,11 @@ static inline void check_msg(struct check *c, const char *fmt, ...)
va_end(ap);
}
-#define FAIL(c, ...) \
- do { \
- TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
- (c)->status = FAILED; \
- check_msg((c), __VA_ARGS__); \
+#define FAIL(c, dti, ...) \
+ do { \
+ TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
+ (c)->status = FAILED; \
+ check_msg((c), dti, __VA_ARGS__); \
} while (0)
static void check_nodes_props(struct check *c, struct dt_info *dti, struct node *node)
@@ -127,7 +126,7 @@ 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, "Failed prerequisite '%s'",
+ check_msg(c, dti, "Failed prerequisite '%s'",
c->prereq[i]->name);
}
}
@@ -157,7 +156,7 @@ static bool run_check(struct check *c, struct dt_info *dti)
static inline void check_always_fail(struct check *c, struct dt_info *dti,
struct node *node)
{
- FAIL(c, "always_fail check");
+ FAIL(c, dti, "always_fail check");
}
CHECK(always_fail, check_always_fail, NULL);
@@ -172,7 +171,7 @@ 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, "\"%s\" property in %s is not a string",
+ FAIL(c, dti, "\"%s\" property in %s is not a string",
propname, node->fullpath);
}
#define WARNING_IF_NOT_STRING(nm, propname) \
@@ -191,7 +190,7 @@ 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, "\"%s\" property in %s is not a single cell",
+ FAIL(c, dti, "\"%s\" property in %s is not a single cell",
propname, node->fullpath);
}
#define WARNING_IF_NOT_CELL(nm, propname) \
@@ -213,7 +212,7 @@ 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, "Duplicate node name %s",
+ FAIL(c, dti, "Duplicate node name %s",
child->fullpath);
}
ERROR(duplicate_node_names, check_duplicate_node_names, NULL);
@@ -228,7 +227,7 @@ 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, "Duplicate property name %s in %s",
+ FAIL(c, dti, "Duplicate property name %s in %s",
prop->name, node->fullpath);
}
}
@@ -239,6 +238,7 @@ static void check_duplicate_property_names(struct check *c, struct dt_info *dti,
#define UPPERCASE "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define DIGITS "0123456789"
#define PROPNODECHARS LOWERCASE UPPERCASE DIGITS ",._+*#?-"
+#define PROPNODECHARSSTRICT LOWERCASE UPPERCASE DIGITS ",-"
static void check_node_name_chars(struct check *c, struct dt_info *dti,
struct node *node)
@@ -246,16 +246,27 @@ 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, "Bad character '%c' in node %s",
+ FAIL(c, dti, "Bad character '%c' in node %s",
node->name[n], node->fullpath);
}
ERROR(node_name_chars, check_node_name_chars, PROPNODECHARS "@");
+static void check_node_name_chars_strict(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ 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);
+}
+CHECK(node_name_chars_strict, check_node_name_chars_strict, PROPNODECHARSSTRICT);
+
static void check_node_name_format(struct check *c, struct dt_info *dti,
struct node *node)
{
if (strchr(get_unitname(node), '@'))
- FAIL(c, "Node %s has multiple '@' characters in name",
+ FAIL(c, dti, "Node %s has multiple '@' characters in name",
node->fullpath);
}
ERROR(node_name_format, check_node_name_format, NULL, &node_name_chars);
@@ -274,11 +285,11 @@ static void check_unit_address_vs_reg(struct check *c, struct dt_info *dti,
if (prop) {
if (!unitname[0])
- FAIL(c, "Node %s has a reg or ranges property, but no unit name",
+ FAIL(c, dti, "Node %s has a reg or ranges property, but no unit name",
node->fullpath);
} else {
if (unitname[0])
- FAIL(c, "Node %s has a unit name, but no reg property",
+ FAIL(c, dti, "Node %s has a unit name, but no reg property",
node->fullpath);
}
}
@@ -293,12 +304,44 @@ 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, "Bad character '%c' in property name \"%s\", node %s",
+ FAIL(c, dti, "Bad character '%c' in property name \"%s\", node %s",
prop->name[n], prop->name, node->fullpath);
}
}
ERROR(property_name_chars, check_property_name_chars, PROPNODECHARS);
+static void check_property_name_chars_strict(struct check *c,
+ struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ for_each_property(node, prop) {
+ const char *name = prop->name;
+ int n = strspn(name, c->data);
+
+ if (n == strlen(prop->name))
+ continue;
+
+ /* Certain names are whitelisted */
+ if (streq(name, "device_type"))
+ continue;
+
+ /*
+ * # is only allowed at the beginning of property names not counting
+ * the vendor prefix.
+ */
+ if (name[n] == '#' && ((n == 0) || (name[n-1] == ','))) {
+ name += n + 1;
+ 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);
+ }
+}
+CHECK(property_name_chars_strict, check_property_name_chars_strict, PROPNODECHARSSTRICT);
+
#define DESCLABEL_FMT "%s%s%s%s%s"
#define DESCLABEL_ARGS(node,prop,mark) \
((mark) ? "value of " : ""), \
@@ -327,7 +370,7 @@ static void check_duplicate_label(struct check *c, struct dt_info *dti,
return;
if ((othernode != node) || (otherprop != prop) || (othermark != mark))
- FAIL(c, "Duplicate label '%s' on " DESCLABEL_FMT
+ FAIL(c, dti, "Duplicate label '%s' on " DESCLABEL_FMT
" and " DESCLABEL_FMT,
label, DESCLABEL_ARGS(node, prop, mark),
DESCLABEL_ARGS(othernode, otherprop, othermark));
@@ -367,7 +410,7 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
return 0;
if (prop->val.len != sizeof(cell_t)) {
- FAIL(c, "%s has bad length (%d) %s property",
+ FAIL(c, dti, "%s has bad length (%d) %s property",
node->fullpath, prop->val.len, prop->name);
return 0;
}
@@ -379,7 +422,7 @@ 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, "%s in %s is a reference to another node",
+ FAIL(c, dti, "%s in %s is a reference to another node",
prop->name, node->fullpath);
}
/* But setting this node's phandle equal to its own
@@ -393,7 +436,7 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
phandle = propval_cell(prop);
if ((phandle == 0) || (phandle == -1)) {
- FAIL(c, "%s has bad value (0x%x) in %s property",
+ FAIL(c, dti, "%s has bad value (0x%x) in %s property",
node->fullpath, phandle, prop->name);
return 0;
}
@@ -420,7 +463,7 @@ static void check_explicit_phandles(struct check *c, struct dt_info *dti,
return;
if (linux_phandle && phandle && (phandle != linux_phandle))
- FAIL(c, "%s has mismatching 'phandle' and 'linux,phandle'"
+ FAIL(c, dti, "%s has mismatching 'phandle' and 'linux,phandle'"
" properties", node->fullpath);
if (linux_phandle && !phandle)
@@ -428,7 +471,7 @@ static void check_explicit_phandles(struct check *c, struct dt_info *dti,
other = get_node_by_phandle(root, phandle);
if (other && (other != node)) {
- FAIL(c, "%s has duplicated phandle 0x%x (seen before at %s)",
+ FAIL(c, dti, "%s has duplicated phandle 0x%x (seen before at %s)",
node->fullpath, phandle, other->fullpath);
return;
}
@@ -453,7 +496,7 @@ 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, "\"name\" property in %s is incorrect (\"%s\" instead"
+ FAIL(c, dti, "\"name\" property in %s is incorrect (\"%s\" instead"
" of base node name)", node->fullpath, prop->val.val);
} else {
/* The name property is correct, and therefore redundant.
@@ -488,16 +531,16 @@ 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, "Reference to non-existent node or "
+ FAIL(c, dti, "Reference to non-existent node or "
"label \"%s\"\n", m->ref);
else /* mark the entry as unresolved */
- *((cell_t *)(prop->val.val + m->offset)) =
+ *((fdt32_t *)(prop->val.val + m->offset)) =
cpu_to_fdt32(0xffffffff);
continue;
}
phandle = get_node_phandle(dt, refnode);
- *((cell_t *)(prop->val.val + m->offset)) = cpu_to_fdt32(phandle);
+ *((fdt32_t *)(prop->val.val + m->offset)) = cpu_to_fdt32(phandle);
}
}
}
@@ -520,7 +563,7 @@ static void fixup_path_references(struct check *c, struct dt_info *dti,
refnode = get_node_by_ref(dt, m->ref);
if (!refnode) {
- FAIL(c, "Reference to non-existent node or label \"%s\"\n",
+ FAIL(c, dti, "Reference to non-existent node or label \"%s\"\n",
m->ref);
continue;
}
@@ -579,19 +622,19 @@ static void check_reg_format(struct check *c, struct dt_info *dti,
return; /* No "reg", that's fine */
if (!node->parent) {
- FAIL(c, "Root node has a \"reg\" property");
+ FAIL(c, dti, "Root node has a \"reg\" property");
return;
}
if (prop->val.len == 0)
- FAIL(c, "\"reg\" property in %s is empty", node->fullpath);
+ FAIL(c, dti, "\"reg\" property in %s is empty", node->fullpath);
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, "\"reg\" property in %s has invalid length (%d bytes) "
+ 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);
}
@@ -608,7 +651,7 @@ static void check_ranges_format(struct check *c, struct dt_info *dti,
return;
if (!node->parent) {
- FAIL(c, "Root node has a \"ranges\" property");
+ FAIL(c, dti, "Root node has a \"ranges\" property");
return;
}
@@ -620,17 +663,17 @@ 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, "%s has empty \"ranges\" property but its "
+ 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);
if (p_size_cells != c_size_cells)
- FAIL(c, "%s has empty \"ranges\" property but its "
+ 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);
} else if ((prop->val.len % entrylen) != 0) {
- FAIL(c, "\"ranges\" property in %s has invalid length (%d bytes) "
+ 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);
@@ -638,6 +681,229 @@ static void check_ranges_format(struct check *c, struct dt_info *dti,
}
WARNING(ranges_format, check_ranges_format, NULL, &addr_size_cells);
+static const struct bus_type pci_bus = {
+ .name = "PCI",
+};
+
+static void check_pci_bridge(struct check *c, struct dt_info *dti, struct node *node)
+{
+ struct property *prop;
+ cell_t *cells;
+
+ prop = get_property(node, "device_type");
+ if (!prop || !streq(prop->val.val, "pci"))
+ return;
+
+ 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);
+
+ prop = get_property(node, "ranges");
+ if (!prop)
+ FAIL(c, dti, "Node %s missing ranges for PCI bridge (or not a bridge)",
+ node->fullpath);
+
+ if (node_addr_cells(node) != 3)
+ FAIL(c, dti, "Node %s incorrect #address-cells for PCI bridge",
+ node->fullpath);
+ if (node_size_cells(node) != 2)
+ FAIL(c, dti, "Node %s incorrect #size-cells for PCI bridge",
+ node->fullpath);
+
+ prop = get_property(node, "bus-range");
+ if (!prop) {
+ FAIL(c, dti, "Node %s missing bus-range for PCI bridge",
+ node->fullpath);
+ return;
+ }
+ if (prop->val.len != (sizeof(cell_t) * 2)) {
+ FAIL(c, dti, "Node %s bus-range must be 2 cells",
+ node->fullpath);
+ 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);
+ if (fdt32_to_cpu(cells[1]) > 0xff)
+ FAIL(c, dti, "Node %s bus-range maximum bus number must be less than 256",
+ node->fullpath);
+}
+WARNING(pci_bridge, check_pci_bridge, NULL,
+ &device_type_is_string, &addr_size_cells);
+
+static void check_pci_device_bus_num(struct check *c, struct dt_info *dti, struct node *node)
+{
+ struct property *prop;
+ unsigned int bus_num, min_bus, max_bus;
+ cell_t *cells;
+
+ if (!node->parent || (node->parent->bus != &pci_bus))
+ return;
+
+ prop = get_property(node, "reg");
+ if (!prop)
+ return;
+
+ cells = (cell_t *)prop->val.val;
+ bus_num = (fdt32_to_cpu(cells[0]) & 0x00ff0000) >> 16;
+
+ prop = get_property(node->parent, "bus-range");
+ if (!prop) {
+ min_bus = max_bus = 0;
+ } else {
+ cells = (cell_t *)prop->val.val;
+ min_bus = fdt32_to_cpu(cells[0]);
+ 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);
+}
+WARNING(pci_device_bus_num, check_pci_device_bus_num, NULL, &reg_format, &pci_bridge);
+
+static void check_pci_device_reg(struct check *c, struct dt_info *dti, struct node *node)
+{
+ struct property *prop;
+ const char *unitname = get_unitname(node);
+ char unit_addr[5];
+ unsigned int dev, func, reg;
+ cell_t *cells;
+
+ if (!node->parent || (node->parent->bus != &pci_bus))
+ return;
+
+ prop = get_property(node, "reg");
+ if (!prop) {
+ FAIL(c, dti, "Node %s missing PCI reg property", node->fullpath);
+ 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);
+
+ 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);
+ if (reg & 0x000000ff)
+ FAIL(c, dti, "Node %s PCI reg config space address register number must be 0",
+ node->fullpath);
+
+ if (func == 0) {
+ snprintf(unit_addr, sizeof(unit_addr), "%x", dev);
+ if (streq(unitname, unit_addr))
+ return;
+ }
+
+ snprintf(unit_addr, sizeof(unit_addr), "%x,%x", dev, func);
+ if (streq(unitname, unit_addr))
+ return;
+
+ FAIL(c, dti, "Node %s PCI unit address format error, expected \"%s\"",
+ node->fullpath, unit_addr);
+}
+WARNING(pci_device_reg, check_pci_device_reg, NULL, &reg_format, &pci_bridge);
+
+static const struct bus_type simple_bus = {
+ .name = "simple-bus",
+};
+
+static bool node_is_compatible(struct node *node, const char *compat)
+{
+ struct property *prop;
+ const char *str, *end;
+
+ prop = get_property(node, "compatible");
+ if (!prop)
+ return false;
+
+ for (str = prop->val.val, end = str + prop->val.len; str < end;
+ str += strnlen(str, end - str) + 1) {
+ if (strneq(str, compat, end - str))
+ return true;
+ }
+ return false;
+}
+
+static void check_simple_bus_bridge(struct check *c, struct dt_info *dti, struct node *node)
+{
+ if (node_is_compatible(node, "simple-bus"))
+ node->bus = &simple_bus;
+}
+WARNING(simple_bus_bridge, check_simple_bus_bridge, NULL, &addr_size_cells);
+
+static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct node *node)
+{
+ struct property *prop;
+ const char *unitname = get_unitname(node);
+ char unit_addr[17];
+ unsigned int size;
+ uint64_t reg = 0;
+ cell_t *cells = NULL;
+
+ if (!node->parent || (node->parent->bus != &simple_bus))
+ return;
+
+ prop = get_property(node, "reg");
+ if (prop)
+ cells = (cell_t *)prop->val.val;
+ else {
+ prop = get_property(node, "ranges");
+ if (prop && prop->val.len)
+ /* skip of child address */
+ cells = ((cell_t *)prop->val.val) + node_addr_cells(node);
+ }
+
+ if (!cells) {
+ if (node->parent->parent && !(node->bus == &simple_bus))
+ FAIL(c, dti, "Node %s missing or empty reg/ranges property", node->fullpath);
+ return;
+ }
+
+ size = node_addr_cells(node->parent);
+ while (size--)
+ reg = (reg << 32) | fdt32_to_cpu(*(cells++));
+
+ snprintf(unit_addr, sizeof(unit_addr), "%lx", reg);
+ if (!streq(unitname, unit_addr))
+ FAIL(c, dti, "Node %s simple-bus unit address format error, expected \"%s\"",
+ node->fullpath, unit_addr);
+}
+WARNING(simple_bus_reg, check_simple_bus_reg, NULL, &reg_format, &simple_bus_bridge);
+
+static void check_unit_address_format(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ const char *unitname = get_unitname(node);
+
+ if (node->parent && node->parent->bus)
+ return;
+
+ if (!unitname[0])
+ return;
+
+ if (!strncmp(unitname, "0x", 2)) {
+ FAIL(c, dti, "Node %s unit name should not have leading \"0x\"",
+ node->fullpath);
+ /* 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);
+}
+WARNING(unit_address_format, check_unit_address_format, NULL,
+ &node_name_format, &pci_bridge, &simple_bus_bridge);
+
/*
* Style checks
*/
@@ -656,11 +922,11 @@ static void check_avoid_default_addr_size(struct check *c, struct dt_info *dti,
return;
if (node->parent->addr_cells == -1)
- FAIL(c, "Relying on default #address-cells value for %s",
+ FAIL(c, dti, "Relying on default #address-cells value for %s",
node->fullpath);
if (node->parent->size_cells == -1)
- FAIL(c, "Relying on default #size-cells value for %s",
+ FAIL(c, dti, "Relying on default #size-cells value for %s",
node->fullpath);
}
WARNING(avoid_default_addr_size, check_avoid_default_addr_size, NULL,
@@ -684,7 +950,7 @@ static void check_obsolete_chosen_interrupt_controller(struct check *c,
prop = get_property(chosen, "interrupt-controller");
if (prop)
- FAIL(c, "/chosen has obsolete \"interrupt-controller\" "
+ FAIL(c, dti, "/chosen has obsolete \"interrupt-controller\" "
"property");
}
WARNING(obsolete_chosen_interrupt_controller,
@@ -703,9 +969,20 @@ static void check_obsolete_chosen_interrupt_controller(struct check *c,
&address_cells_is_cell, &size_cells_is_cell, &interrupt_cells_is_cell,
&device_type_is_string, &model_is_string, &status_is_string,
+ &property_name_chars_strict,
+ &node_name_chars_strict,
+
&addr_size_cells, &reg_format, &ranges_format,
&unit_address_vs_reg,
+ &unit_address_format,
+
+ &pci_bridge,
+ &pci_device_reg,
+ &pci_device_bus_num,
+
+ &simple_bus_bridge,
+ &simple_bus_reg,
&avoid_default_addr_size,
&obsolete_chosen_interrupt_controller,
diff --git a/scripts/dtc/data.c b/scripts/dtc/data.c
index 8cae237..aa37a16 100644
--- a/scripts/dtc/data.c
+++ b/scripts/dtc/data.c
@@ -171,9 +171,9 @@ struct data data_merge(struct data d1, struct data d2)
struct data data_append_integer(struct data d, uint64_t value, int bits)
{
uint8_t value_8;
- uint16_t value_16;
- uint32_t value_32;
- uint64_t value_64;
+ fdt16_t value_16;
+ fdt32_t value_32;
+ fdt64_t value_64;
switch (bits) {
case 8:
@@ -197,14 +197,14 @@ struct data data_append_integer(struct data d, uint64_t value, int bits)
}
}
-struct data data_append_re(struct data d, const struct fdt_reserve_entry *re)
+struct data data_append_re(struct data d, uint64_t address, uint64_t size)
{
- struct fdt_reserve_entry bere;
+ struct fdt_reserve_entry re;
- bere.address = cpu_to_fdt64(re->address);
- bere.size = cpu_to_fdt64(re->size);
+ re.address = cpu_to_fdt64(address);
+ re.size = cpu_to_fdt64(size);
- return data_append_data(d, &bere, sizeof(bere));
+ return data_append_data(d, &re, sizeof(re));
}
struct data data_append_cell(struct data d, cell_t word)
diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
index c600603..fd825eb 100644
--- a/scripts/dtc/dtc-lexer.l
+++ b/scripts/dtc/dtc-lexer.l
@@ -62,7 +62,8 @@ static int dts_version = 1;
static void push_input_file(const char *filename);
static bool pop_input_file(void);
-static void lexical_error(const char *fmt, ...);
+static void PRINTF(1, 2) lexical_error(const char *fmt, ...);
+
%}
%%
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y
index b2fd4d1..ca3f500 100644
--- a/scripts/dtc/dtc-parser.y
+++ b/scripts/dtc/dtc-parser.y
@@ -171,10 +171,10 @@ devicetree:
{
struct node *target = get_node_by_ref($1, $3);
- add_label(&target->labels, $2);
- if (target)
+ if (target) {
+ add_label(&target->labels, $2);
merge_nodes(target, $4);
- else
+ } else
ERROR(&@3, "Label or path %s not found", $3);
$$ = $1;
}
diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c
index a4edf4c..f5eed9d 100644
--- a/scripts/dtc/dtc.c
+++ b/scripts/dtc/dtc.c
@@ -138,7 +138,7 @@ static const char *guess_type_by_name(const char *fname, const char *fallback)
static const char *guess_input_format(const char *fname, const char *fallback)
{
struct stat statbuf;
- uint32_t magic;
+ fdt32_t magic;
FILE *f;
if (stat(fname, &statbuf) != 0)
@@ -159,8 +159,7 @@ static const char *guess_input_format(const char *fname, const char *fallback)
}
fclose(f);
- magic = fdt32_to_cpu(magic);
- if (magic == FDT_MAGIC)
+ if (fdt32_to_cpu(magic) == FDT_MAGIC)
return "dtb";
return guess_type_by_name(fname, fallback);
@@ -216,7 +215,7 @@ int main(int argc, char *argv[])
alignsize = strtol(optarg, NULL, 0);
if (!is_power_of_2(alignsize))
die("Invalid argument \"%d\" to -a option\n",
- optarg);
+ alignsize);
break;
case 'f':
force = true;
@@ -309,6 +308,8 @@ int main(int argc, char *argv[])
else
die("Unknown input format \"%s\"\n", inform);
+ dti->outname = outname;
+
if (depfile) {
fputc('\n', depfile);
fclose(depfile);
diff --git a/scripts/dtc/dtc.h b/scripts/dtc/dtc.h
index c6f125c..fc24e17 100644
--- a/scripts/dtc/dtc.h
+++ b/scripts/dtc/dtc.h
@@ -43,7 +43,6 @@
#define debug(...)
#endif
-
#define DEFAULT_FDT_VERSION 17
/*
@@ -114,7 +113,7 @@ struct data data_insert_at_marker(struct data d, struct marker *m,
struct data data_merge(struct data d1, struct data d2);
struct data data_append_cell(struct data d, cell_t word);
struct data data_append_integer(struct data d, uint64_t word, int bits);
-struct data data_append_re(struct data d, const struct fdt_reserve_entry *re);
+struct data data_append_re(struct data d, uint64_t address, uint64_t size);
struct data data_append_addr(struct data d, uint64_t addr);
struct data data_append_byte(struct data d, uint8_t byte);
struct data data_append_zeroes(struct data d, int len);
@@ -136,6 +135,10 @@ struct label {
struct label *next;
};
+struct bus_type {
+ const char *name;
+};
+
struct property {
bool deleted;
char *name;
@@ -162,6 +165,7 @@ struct node {
int addr_cells, size_cells;
struct label *labels;
+ const struct bus_type *bus;
};
#define for_each_label_withdel(l0, l) \
@@ -227,7 +231,7 @@ struct marker *get_marker_label(struct node *tree, const char *label,
/* Boot info (tree plus memreserve information */
struct reserve_info {
- struct fdt_reserve_entry re;
+ uint64_t address, size;
struct reserve_info *next;
@@ -246,6 +250,7 @@ struct dt_info {
struct reserve_info *reservelist;
uint32_t boot_cpuid_phys;
struct node *dt; /* the device tree */
+ const char *outname; /* filename being written to, "-" for stdout */
};
/* DTS version flags definitions */
diff --git a/scripts/dtc/fdtdump.c b/scripts/dtc/fdtdump.c
index 207a46d..fa3b561 100644
--- a/scripts/dtc/fdtdump.c
+++ b/scripts/dtc/fdtdump.c
@@ -2,48 +2,49 @@
* fdtdump.c - Contributed by Pantelis Antoniou <pantelis.antoniou AT gmail.com>
*/
+#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-#include <fdt.h>
+#include <libfdt.h>
#include <libfdt_env.h>
+#include <fdt.h>
#include "util.h"
+#define FDT_MAGIC_SIZE 4
+#define MAX_VERSION 17
+
#define ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
#define PALIGN(p, a) ((void *)(ALIGN((unsigned long)(p), (a))))
-#define GET_CELL(p) (p += 4, *((const uint32_t *)(p-4)))
+#define GET_CELL(p) (p += 4, *((const fdt32_t *)(p-4)))
-static void print_data(const char *data, int len)
+static const char *tagname(uint32_t tag)
{
- int i;
- const char *p = data;
-
- /* no data, don't print */
- if (len == 0)
- return;
-
- if (util_is_printable_string(data, len)) {
- printf(" = \"%s\"", (const char *)data);
- } else if ((len % 4) == 0) {
- printf(" = <");
- for (i = 0; i < len; i += 4)
- printf("0x%08x%s", fdt32_to_cpu(GET_CELL(p)),
- i < (len - 4) ? " " : "");
- printf(">");
- } else {
- printf(" = [");
- for (i = 0; i < len; i++)
- printf("%02x%s", *p++, i < len - 1 ? " " : "");
- printf("]");
- }
+ static const char * const names[] = {
+#define TN(t) [t] = #t
+ TN(FDT_BEGIN_NODE),
+ TN(FDT_END_NODE),
+ TN(FDT_PROP),
+ TN(FDT_NOP),
+ TN(FDT_END),
+#undef TN
+ };
+ if (tag < ARRAY_SIZE(names))
+ if (names[tag])
+ return names[tag];
+ return "FDT_???";
}
-static void dump_blob(void *blob)
+#define dumpf(fmt, args...) \
+ do { if (debug) printf("// " fmt, ## args); } while (0)
+
+static void dump_blob(void *blob, bool debug)
{
+ uintptr_t blob_off = (uintptr_t)blob;
struct fdt_header *bph = blob;
uint32_t off_mem_rsvmap = fdt32_to_cpu(bph->off_mem_rsvmap);
uint32_t off_dt = fdt32_to_cpu(bph->off_dt_struct);
@@ -90,14 +91,15 @@ static void dump_blob(void *blob)
if (addr == 0 && size == 0)
break;
- printf("/memreserve/ %llx %llx;\n",
+ printf("/memreserve/ %#llx %#llx;\n",
(unsigned long long)addr, (unsigned long long)size);
}
p = p_struct;
while ((tag = fdt32_to_cpu(GET_CELL(p))) != FDT_END) {
- /* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */
+ dumpf("%04zx: tag: 0x%08x (%s)\n",
+ (uintptr_t)p - blob_off - 4, tag, tagname(tag));
if (tag == FDT_BEGIN_NODE) {
s = p;
@@ -136,27 +138,108 @@ static void dump_blob(void *blob)
p = PALIGN(p + sz, 4);
+ dumpf("%04zx: string: %s\n", (uintptr_t)s - blob_off, s);
+ dumpf("%04zx: value\n", (uintptr_t)t - blob_off);
printf("%*s%s", depth * shift, "", s);
- print_data(t, sz);
+ utilfdt_print_data(t, sz);
printf(";\n");
}
}
+/* Usage related data. */
+static const char usage_synopsis[] = "fdtdump [options] <file>";
+static const char usage_short_opts[] = "ds" USAGE_COMMON_SHORT_OPTS;
+static struct option const usage_long_opts[] = {
+ {"debug", no_argument, NULL, 'd'},
+ {"scan", no_argument, NULL, 's'},
+ USAGE_COMMON_LONG_OPTS
+};
+static const char * const usage_opts_help[] = {
+ "Dump debug information while decoding the file",
+ "Scan for an embedded fdt in file",
+ USAGE_COMMON_OPTS_HELP
+};
+
+static bool valid_header(char *p, off_t len)
+{
+ if (len < sizeof(struct fdt_header) ||
+ fdt_magic(p) != FDT_MAGIC ||
+ fdt_version(p) > MAX_VERSION ||
+ fdt_last_comp_version(p) > MAX_VERSION ||
+ fdt_totalsize(p) >= len ||
+ fdt_off_dt_struct(p) >= len ||
+ fdt_off_dt_strings(p) >= len)
+ return 0;
+ else
+ return 1;
+}
int main(int argc, char *argv[])
{
+ int opt;
+ const char *file;
char *buf;
-
- if (argc < 2) {
- fprintf(stderr, "supply input filename\n");
- return 5;
+ bool debug = false;
+ bool scan = false;
+ off_t len;
+
+ fprintf(stderr, "\n"
+"**** fdtdump is a low-level debugging tool, not meant for general use.\n"
+"**** If you want to decompile a dtb, you probably want\n"
+"**** dtc -I dtb -O dts <filename>\n\n"
+ );
+ while ((opt = util_getopt_long()) != EOF) {
+ switch (opt) {
+ case_USAGE_COMMON_FLAGS
+
+ case 'd':
+ debug = true;
+ break;
+ case 's':
+ scan = true;
+ break;
+ }
}
-
- buf = utilfdt_read(argv[1]);
- if (buf)
- dump_blob(buf);
- else
- return 10;
+ if (optind != argc - 1)
+ usage("missing input filename");
+ file = argv[optind];
+
+ buf = utilfdt_read_len(file, &len);
+ if (!buf)
+ die("could not read: %s\n", file);
+
+ /* try and locate an embedded fdt in a bigger blob */
+ if (scan) {
+ unsigned char smagic[FDT_MAGIC_SIZE];
+ char *p = buf;
+ char *endp = buf + len;
+
+ fdt_set_magic(smagic, FDT_MAGIC);
+
+ /* poor man's memmem */
+ while ((endp - p) >= FDT_MAGIC_SIZE) {
+ p = memchr(p, smagic[0], endp - p - FDT_MAGIC_SIZE);
+ if (!p)
+ break;
+ if (fdt_magic(p) == FDT_MAGIC) {
+ /* try and validate the main struct */
+ off_t this_len = endp - p;
+ if (valid_header(p, this_len))
+ break;
+ if (debug)
+ printf("%s: skipping fdt magic at offset %#zx\n",
+ file, p - buf);
+ }
+ ++p;
+ }
+ if (!p || endp - p < sizeof(struct fdt_header))
+ die("%s: could not locate fdt magic\n", file);
+ printf("%s: found fdt at offset %#zx\n", file, p - buf);
+ buf = p;
+ } else if (!valid_header(buf, len))
+ die("%s: header is not valid\n", file);
+
+ dump_blob(buf, debug);
return 0;
}
diff --git a/scripts/dtc/fdtget.c b/scripts/dtc/fdtget.c
index c2fbab2..39f1742 100644
--- a/scripts/dtc/fdtget.c
+++ b/scripts/dtc/fdtget.c
@@ -105,7 +105,7 @@ static int show_data(struct display_info *disp, const char *data, int len)
for (i = 0; i < len; i += size, p += size) {
if (i)
printf(" ");
- value = size == 4 ? fdt32_to_cpu(*(const uint32_t *)p) :
+ value = size == 4 ? fdt32_to_cpu(*(const fdt32_t *)p) :
size == 2 ? (*p << 8) | p[1] : *p;
printf(fmt, value);
}
@@ -245,7 +245,7 @@ static int show_data_for_item(const void *blob, struct display_info *disp,
* @param filename Filename of blob file
* @param arg List of arguments to process
* @param arg_count Number of arguments
- * @param return 0 if ok, -ve on error
+ * @return 0 if ok, -ve on error
*/
static int do_fdtget(struct display_info *disp, const char *filename,
char **arg, int arg_count, int args_per_step)
@@ -266,44 +266,50 @@ static int do_fdtget(struct display_info *disp, const char *filename,
continue;
} else {
report_error(arg[i], node);
+ free(blob);
return -1;
}
}
prop = args_per_step == 1 ? NULL : arg[i + 1];
- if (show_data_for_item(blob, disp, node, prop))
+ if (show_data_for_item(blob, disp, node, prop)) {
+ free(blob);
return -1;
+ }
}
+
+ free(blob);
+
return 0;
}
-static const char *usage_msg =
- "fdtget - read values from device tree\n"
- "\n"
- "Each value is printed on a new line.\n\n"
- "Usage:\n"
+/* Usage related data. */
+static const char usage_synopsis[] =
+ "read values from device tree\n"
" fdtget <options> <dt file> [<node> <property>]...\n"
" fdtget -p <options> <dt file> [<node> ]...\n"
- "Options:\n"
- "\t-t <type>\tType of data\n"
- "\t-p\t\tList properties for each node\n"
- "\t-l\t\tList subnodes for each node\n"
- "\t-d\t\tDefault value to display when the property is "
- "missing\n"
- "\t-h\t\tPrint this help\n\n"
+ "\n"
+ "Each value is printed on a new line.\n"
USAGE_TYPE_MSG;
-
-static void usage(const char *msg)
-{
- if (msg)
- fprintf(stderr, "Error: %s\n\n", msg);
-
- fprintf(stderr, "%s", usage_msg);
- exit(2);
-}
+static const char usage_short_opts[] = "t:pld:" USAGE_COMMON_SHORT_OPTS;
+static struct option const usage_long_opts[] = {
+ {"type", a_argument, NULL, 't'},
+ {"properties", no_argument, NULL, 'p'},
+ {"list", no_argument, NULL, 'l'},
+ {"default", a_argument, NULL, 'd'},
+ USAGE_COMMON_LONG_OPTS,
+};
+static const char * const usage_opts_help[] = {
+ "Type of data",
+ "List properties for each node",
+ "List subnodes for each node",
+ "Default value to display when the property is missing",
+ USAGE_COMMON_OPTS_HELP
+};
int main(int argc, char *argv[])
{
+ int opt;
char *filename = NULL;
struct display_info disp;
int args_per_step = 2;
@@ -312,20 +318,14 @@ int main(int argc, char *argv[])
memset(&disp, '\0', sizeof(disp));
disp.size = -1;
disp.mode = MODE_SHOW_VALUE;
- for (;;) {
- int c = getopt(argc, argv, "d:hlpt:");
- if (c == -1)
- break;
-
- switch (c) {
- case 'h':
- case '?':
- usage(NULL);
+ while ((opt = util_getopt_long()) != EOF) {
+ switch (opt) {
+ case_USAGE_COMMON_FLAGS
case 't':
if (utilfdt_decode_type(optarg, &disp.type,
&disp.size))
- usage("Invalid type string");
+ usage("invalid type string");
break;
case 'p':
@@ -347,7 +347,7 @@ int main(int argc, char *argv[])
if (optind < argc)
filename = argv[optind++];
if (!filename)
- usage("Missing filename");
+ usage("missing filename");
argv += optind;
argc -= optind;
@@ -358,7 +358,7 @@ int main(int argc, char *argv[])
/* Check for node, property arguments */
if (args_per_step == 2 && (argc % 2))
- usage("Must have an even number of arguments");
+ usage("must have an even number of arguments");
if (do_fdtget(&disp, filename, argv, argc, args_per_step))
return 1;
diff --git a/scripts/dtc/fdtput.c b/scripts/dtc/fdtput.c
index f2197f5..8d8e934 100644
--- a/scripts/dtc/fdtput.c
+++ b/scripts/dtc/fdtput.c
@@ -32,6 +32,8 @@
enum oper_type {
OPER_WRITE_PROP, /* Write a property in a node */
OPER_CREATE_NODE, /* Create a new node */
+ OPER_REMOVE_NODE, /* Delete a node */
+ OPER_DELETE_PROP, /* Delete a property in a node */
};
struct display_info {
@@ -65,7 +67,7 @@ static void report_error(const char *name, int namelen, int err)
* @param arg List of arguments from command line
* @param arg_count Number of arguments (may be 0)
* @param valuep Returns buffer containing value
- * @param *value_len Returns length of value encoded
+ * @param value_len Returns length of value encoded
*/
static int encode_value(struct display_info *disp, char **arg, int arg_count,
char **valuep, int *value_len)
@@ -96,12 +98,7 @@ static int encode_value(struct display_info *disp, char **arg, int arg_count,
/* enlarge our value buffer by a suitable margin if needed */
if (upto + len > value_size) {
value_size = (upto + len) + 500;
- value = realloc(value, value_size);
- if (!value) {
- fprintf(stderr, "Out of mmory: cannot alloc "
- "%d bytes\n", value_size);
- return -1;
- }
+ value = xrealloc(value, value_size);
}
ptr = value + upto;
@@ -110,7 +107,7 @@ static int encode_value(struct display_info *disp, char **arg, int arg_count,
if (disp->verbose)
fprintf(stderr, "\tstring: '%s'\n", ptr);
} else {
- int *iptr = (int *)ptr;
+ fdt32_t *iptr = (fdt32_t *)ptr;
sscanf(*arg, fmt, &ival);
if (len == 4)
*iptr = cpu_to_fdt32(ival);
@@ -131,19 +128,59 @@ static int encode_value(struct display_info *disp, char **arg, int arg_count,
return 0;
}
-static int store_key_value(void *blob, const char *node_name,
+#define ALIGN(x) (((x) + (FDT_TAGSIZE) - 1) & ~((FDT_TAGSIZE) - 1))
+
+static char *_realloc_fdt(char *fdt, int delta)
+{
+ int new_sz = fdt_totalsize(fdt) + delta;
+ fdt = xrealloc(fdt, new_sz);
+ fdt_open_into(fdt, fdt, new_sz);
+ return fdt;
+}
+
+static char *realloc_node(char *fdt, const char *name)
+{
+ int delta;
+ /* FDT_BEGIN_NODE, node name in off_struct and FDT_END_NODE */
+ delta = sizeof(struct fdt_node_header) + ALIGN(strlen(name) + 1)
+ + FDT_TAGSIZE;
+ return _realloc_fdt(fdt, delta);
+}
+
+static char *realloc_property(char *fdt, int nodeoffset,
+ const char *name, int newlen)
+{
+ int delta = 0;
+ int oldlen = 0;
+
+ if (!fdt_get_property(fdt, nodeoffset, name, &oldlen))
+ /* strings + property header */
+ delta = sizeof(struct fdt_property) + strlen(name) + 1;
+
+ if (newlen > oldlen)
+ /* actual value in off_struct */
+ delta += ALIGN(newlen) - ALIGN(oldlen);
+
+ return _realloc_fdt(fdt, delta);
+}
+
+static int store_key_value(char **blob, const char *node_name,
const char *property, const char *buf, int len)
{
int node;
int err;
- node = fdt_path_offset(blob, node_name);
+ node = fdt_path_offset(*blob, node_name);
if (node < 0) {
report_error(node_name, -1, node);
return -1;
}
- err = fdt_setprop(blob, node, property, buf, len);
+ err = fdt_setprop(*blob, node, property, buf, len);
+ if (err == -FDT_ERR_NOSPACE) {
+ *blob = realloc_property(*blob, node, property, len);
+ err = fdt_setprop(*blob, node, property, buf, len);
+ }
if (err) {
report_error(property, -1, err);
return -1;
@@ -161,7 +198,7 @@ static int store_key_value(void *blob, const char *node_name,
* @param in_path Path to process
* @return 0 if ok, -1 on error
*/
-static int create_paths(void *blob, const char *in_path)
+static int create_paths(char **blob, const char *in_path)
{
const char *path = in_path;
const char *sep;
@@ -177,10 +214,11 @@ static int create_paths(void *blob, const char *in_path)
if (!sep)
sep = path + strlen(path);
- node = fdt_subnode_offset_namelen(blob, offset, path,
+ node = fdt_subnode_offset_namelen(*blob, offset, path,
sep - path);
if (node == -FDT_ERR_NOTFOUND) {
- node = fdt_add_subnode_namelen(blob, offset, path,
+ *blob = realloc_node(*blob, path);
+ node = fdt_add_subnode_namelen(*blob, offset, path,
sep - path);
}
if (node < 0) {
@@ -203,7 +241,7 @@ static int create_paths(void *blob, const char *in_path)
* @param node_name Name of node to create
* @return new node offset if found, or -1 on failure
*/
-static int create_node(void *blob, const char *node_name)
+static int create_node(char **blob, const char *node_name)
{
int node = 0;
char *p;
@@ -215,15 +253,17 @@ static int create_node(void *blob, const char *node_name)
}
*p = '\0';
+ *blob = realloc_node(*blob, p + 1);
+
if (p > node_name) {
- node = fdt_path_offset(blob, node_name);
+ node = fdt_path_offset(*blob, node_name);
if (node < 0) {
report_error(node_name, -1, node);
return -1;
}
}
- node = fdt_add_subnode(blob, node, p + 1);
+ node = fdt_add_subnode(*blob, node, p + 1);
if (node < 0) {
report_error(p + 1, -1, node);
return -1;
@@ -232,11 +272,65 @@ static int create_node(void *blob, const char *node_name)
return 0;
}
+/**
+ * Delete a property of a node in the fdt.
+ *
+ * @param blob FDT blob to write into
+ * @param node_name Path to node containing the property to delete
+ * @param prop_name Name of property to delete
+ * @return 0 on success, or -1 on failure
+ */
+static int delete_prop(char *blob, const char *node_name, const char *prop_name)
+{
+ int node = 0;
+
+ node = fdt_path_offset(blob, node_name);
+ if (node < 0) {
+ report_error(node_name, -1, node);
+ return -1;
+ }
+
+ node = fdt_delprop(blob, node, prop_name);
+ if (node < 0) {
+ report_error(node_name, -1, node);
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * Delete a node in the fdt.
+ *
+ * @param blob FDT blob to write into
+ * @param node_name Name of node to delete
+ * @return 0 on success, or -1 on failure
+ */
+static int delete_node(char *blob, const char *node_name)
+{
+ int node = 0;
+
+ node = fdt_path_offset(blob, node_name);
+ if (node < 0) {
+ report_error(node_name, -1, node);
+ return -1;
+ }
+
+ node = fdt_del_node(blob, node);
+ if (node < 0) {
+ report_error(node_name, -1, node);
+ return -1;
+ }
+
+ return 0;
+}
+
static int do_fdtput(struct display_info *disp, const char *filename,
char **arg, int arg_count)
{
- char *value;
+ char *value = NULL;
char *blob;
+ char *node;
int len, ret = 0;
blob = utilfdt_read(filename);
@@ -250,82 +344,102 @@ static int do_fdtput(struct display_info *disp, const char *filename,
* store them into the property.
*/
assert(arg_count >= 2);
- if (disp->auto_path && create_paths(blob, *arg))
+ if (disp->auto_path && create_paths(&blob, *arg))
return -1;
if (encode_value(disp, arg + 2, arg_count - 2, &value, &len) ||
- store_key_value(blob, *arg, arg[1], value, len))
+ store_key_value(&blob, *arg, arg[1], value, len))
ret = -1;
break;
case OPER_CREATE_NODE:
for (; ret >= 0 && arg_count--; arg++) {
if (disp->auto_path)
- ret = create_paths(blob, *arg);
+ ret = create_paths(&blob, *arg);
else
- ret = create_node(blob, *arg);
+ ret = create_node(&blob, *arg);
}
break;
+ case OPER_REMOVE_NODE:
+ for (; ret >= 0 && arg_count--; arg++)
+ ret = delete_node(blob, *arg);
+ break;
+ case OPER_DELETE_PROP:
+ node = *arg;
+ for (arg++; ret >= 0 && arg_count-- > 1; arg++)
+ ret = delete_prop(blob, node, *arg);
+ break;
}
- if (ret >= 0)
+ if (ret >= 0) {
+ fdt_pack(blob);
ret = utilfdt_write(filename, blob);
+ }
free(blob);
+
+ if (value) {
+ free(value);
+ }
+
return ret;
}
-static const char *usage_msg =
- "fdtput - write a property value to a device tree\n"
- "\n"
- "The command line arguments are joined together into a single value.\n"
- "\n"
- "Usage:\n"
+/* Usage related data. */
+static const char usage_synopsis[] =
+ "write a property value to a device tree\n"
" fdtput <options> <dt file> <node> <property> [<value>...]\n"
" fdtput -c <options> <dt file> [<node>...]\n"
- "Options:\n"
- "\t-c\t\tCreate nodes if they don't already exist\n"
- "\t-p\t\tAutomatically create nodes as needed for the node path\n"
- "\t-t <type>\tType of data\n"
- "\t-v\t\tVerbose: display each value decoded from command line\n"
- "\t-h\t\tPrint this help\n\n"
+ " fdtput -r <options> <dt file> [<node>...]\n"
+ " fdtput -d <options> <dt file> <node> [<property>...]\n"
+ "\n"
+ "The command line arguments are joined together into a single value.\n"
USAGE_TYPE_MSG;
-
-static void usage(const char *msg)
-{
- if (msg)
- fprintf(stderr, "Error: %s\n\n", msg);
-
- fprintf(stderr, "%s", usage_msg);
- exit(2);
-}
+static const char usage_short_opts[] = "crdpt:v" USAGE_COMMON_SHORT_OPTS;
+static struct option const usage_long_opts[] = {
+ {"create", no_argument, NULL, 'c'},
+ {"remove", no_argument, NULL, 'r'},
+ {"delete", no_argument, NULL, 'd'},
+ {"auto-path", no_argument, NULL, 'p'},
+ {"type", a_argument, NULL, 't'},
+ {"verbose", no_argument, NULL, 'v'},
+ USAGE_COMMON_LONG_OPTS,
+};
+static const char * const usage_opts_help[] = {
+ "Create nodes if they don't already exist",
+ "Delete nodes (and any subnodes) if they already exist",
+ "Delete properties if they already exist",
+ "Automatically create nodes as needed for the node path",
+ "Type of data",
+ "Display each value decoded from command line",
+ USAGE_COMMON_OPTS_HELP
+};
int main(int argc, char *argv[])
{
+ int opt;
struct display_info disp;
char *filename = NULL;
memset(&disp, '\0', sizeof(disp));
disp.size = -1;
disp.oper = OPER_WRITE_PROP;
- for (;;) {
- int c = getopt(argc, argv, "chpt:v");
- if (c == -1)
- break;
-
+ while ((opt = util_getopt_long()) != EOF) {
/*
* TODO: add options to:
- * - delete property
- * - delete node (optionally recursively)
* - rename node
* - pack fdt before writing
* - set amount of free space when writing
- * - expand fdt if value doesn't fit
*/
- switch (c) {
+ switch (opt) {
+ case_USAGE_COMMON_FLAGS
+
case 'c':
disp.oper = OPER_CREATE_NODE;
break;
- case 'h':
- case '?':
- usage(NULL);
+ case 'r':
+ disp.oper = OPER_REMOVE_NODE;
+ break;
+ case 'd':
+ disp.oper = OPER_DELETE_PROP;
+ break;
case 'p':
disp.auto_path = 1;
break;
@@ -344,18 +458,22 @@ int main(int argc, char *argv[])
if (optind < argc)
filename = argv[optind++];
if (!filename)
- usage("Missing filename");
+ usage("missing filename");
argv += optind;
argc -= optind;
if (disp.oper == OPER_WRITE_PROP) {
if (argc < 1)
- usage("Missing node");
+ usage("missing node");
if (argc < 2)
- usage("Missing property");
+ usage("missing property");
}
+ if (disp.oper == OPER_DELETE_PROP)
+ if (argc < 1)
+ usage("missing node");
+
if (do_fdtput(&disp, filename, argv, argc))
return 1;
return 0;
diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c
index ebac548..fcf7154 100644
--- a/scripts/dtc/flattree.c
+++ b/scripts/dtc/flattree.c
@@ -49,7 +49,7 @@
struct emitter {
void (*cell)(void *, cell_t);
- void (*string)(void *, char *, int);
+ void (*string)(void *, const char *, int);
void (*align)(void *, int);
void (*data)(void *, struct data);
void (*beginnode)(void *, struct label *labels);
@@ -64,7 +64,7 @@ static void bin_emit_cell(void *e, cell_t val)
*dtbuf = data_append_cell(*dtbuf, val);
}
-static void bin_emit_string(void *e, char *str, int len)
+static void bin_emit_string(void *e, const char *str, int len)
{
struct data *dtbuf = e;
@@ -144,22 +144,14 @@ static void asm_emit_cell(void *e, cell_t val)
(val >> 8) & 0xff, val & 0xff);
}
-static void asm_emit_string(void *e, char *str, int len)
+static void asm_emit_string(void *e, const char *str, int len)
{
FILE *f = e;
- char c = 0;
- if (len != 0) {
- /* XXX: ewww */
- c = str[len];
- str[len] = '\0';
- }
-
- fprintf(f, "\t.string\t\"%s\"\n", str);
-
- if (len != 0) {
- str[len] = c;
- }
+ if (len != 0)
+ fprintf(f, "\t.string\t\"%.*s\"\n", len, str);
+ else
+ fprintf(f, "\t.string\t\"%s\"\n", str);
}
static void asm_emit_align(void *e, int a)
@@ -179,7 +171,7 @@ static void asm_emit_data(void *e, struct data d)
emit_offset_label(f, m->ref, m->offset);
while ((d.len - off) >= sizeof(uint32_t)) {
- asm_emit_cell(e, fdt32_to_cpu(*((uint32_t *)(d.val+off))));
+ asm_emit_cell(e, fdt32_to_cpu(*((fdt32_t *)(d.val+off))));
off += sizeof(uint32_t);
}
@@ -318,17 +310,16 @@ static struct data flatten_reserve_list(struct reserve_info *reservelist,
{
struct reserve_info *re;
struct data d = empty_data;
- static struct fdt_reserve_entry null_re = {0,0};
int j;
for (re = reservelist; re; re = re->next) {
- d = data_append_re(d, &re->re);
+ d = data_append_re(d, re->address, re->size);
}
/*
* Add additional reserved slots if the user asked for them.
*/
for (j = 0; j < reservenum; j++) {
- d = data_append_re(d, &null_re);
+ d = data_append_re(d, 0, 0);
}
return d;
@@ -544,11 +535,11 @@ void dt_to_asm(FILE *f, struct dt_info *dti, int version)
fprintf(f, "\t.globl\t%s\n", l->label);
fprintf(f, "%s:\n", l->label);
}
- ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->re.address >> 32));
+ ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->address >> 32));
ASM_EMIT_BELONG(f, "0x%08x",
- (unsigned int)(re->re.address & 0xffffffff));
- ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->re.size >> 32));
- ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->re.size & 0xffffffff));
+ (unsigned int)(re->address & 0xffffffff));
+ ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->size >> 32));
+ ASM_EMIT_BELONG(f, "0x%08x", (unsigned int)(re->size & 0xffffffff));
}
for (i = 0; i < reservenum; i++) {
fprintf(f, "\t.long\t0, 0\n\t.long\t0, 0\n");
@@ -609,7 +600,7 @@ static void flat_read_chunk(struct inbuf *inb, void *p, int len)
static uint32_t flat_read_word(struct inbuf *inb)
{
- uint32_t val;
+ fdt32_t val;
assert(((inb->ptr - inb->base) % sizeof(val)) == 0);
@@ -718,13 +709,15 @@ static struct reserve_info *flat_read_mem_reserve(struct inbuf *inb)
* First pass, count entries.
*/
while (1) {
+ uint64_t address, size;
+
flat_read_chunk(inb, &re, sizeof(re));
- re.address = fdt64_to_cpu(re.address);
- re.size = fdt64_to_cpu(re.size);
- if (re.size == 0)
+ address = fdt64_to_cpu(re.address);
+ size = fdt64_to_cpu(re.size);
+ if (size == 0)
break;
- new = build_reserve_entry(re.address, re.size);
+ new = build_reserve_entry(address, size);
reservelist = add_reserve_entry(reservelist, new);
}
@@ -817,6 +810,7 @@ static struct node *unflatten_tree(struct inbuf *dtbuf,
struct dt_info *dt_from_blob(const char *fname)
{
FILE *f;
+ fdt32_t magic_buf, totalsize_buf;
uint32_t magic, totalsize, version, size_dt, boot_cpuid_phys;
uint32_t off_dt, off_str, off_mem_rsvmap;
int rc;
@@ -833,7 +827,7 @@ struct dt_info *dt_from_blob(const char *fname)
f = srcfile_relative_open(fname, NULL);
- rc = fread(&magic, sizeof(magic), 1, f);
+ rc = fread(&magic_buf, sizeof(magic_buf), 1, f);
if (ferror(f))
die("Error reading DT blob magic number: %s\n",
strerror(errno));
@@ -844,11 +838,11 @@ struct dt_info *dt_from_blob(const char *fname)
die("Mysterious short read reading magic number\n");
}
- magic = fdt32_to_cpu(magic);
+ magic = fdt32_to_cpu(magic_buf);
if (magic != FDT_MAGIC)
die("Blob has incorrect magic number\n");
- rc = fread(&totalsize, sizeof(totalsize), 1, f);
+ rc = fread(&totalsize_buf, sizeof(totalsize_buf), 1, f);
if (ferror(f))
die("Error reading DT blob size: %s\n", strerror(errno));
if (rc < 1) {
@@ -858,7 +852,7 @@ struct dt_info *dt_from_blob(const char *fname)
die("Mysterious short read reading blob size\n");
}
- totalsize = fdt32_to_cpu(totalsize);
+ totalsize = fdt32_to_cpu(totalsize_buf);
if (totalsize < FDT_V1_SIZE)
die("DT blob size (%d) is too small\n", totalsize);
diff --git a/scripts/dtc/libfdt/fdt_empty_tree.c b/scripts/dtc/libfdt/fdt_empty_tree.c
index f72d13b..f2ae9b7 100644
--- a/scripts/dtc/libfdt/fdt_empty_tree.c
+++ b/scripts/dtc/libfdt/fdt_empty_tree.c
@@ -81,4 +81,3 @@ int fdt_create_empty_tree(void *buf, int bufsize)
return fdt_open_into(buf, buf, bufsize);
}
-
diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c
index 3d00d2e..08de2cc 100644
--- a/scripts/dtc/libfdt/fdt_ro.c
+++ b/scripts/dtc/libfdt/fdt_ro.c
@@ -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;
diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c
index 2eed4f5..8b487f6 100644
--- a/scripts/dtc/libfdt/fdt_rw.c
+++ b/scripts/dtc/libfdt/fdt_rw.c
@@ -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),
@@ -283,7 +283,8 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
if (err)
return err;
- memcpy(prop->data, val, len);
+ if (len)
+ memcpy(prop->data, val, len);
return 0;
}
@@ -322,7 +323,7 @@ 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);
diff --git a/scripts/dtc/libfdt/fdt_sw.c b/scripts/dtc/libfdt/fdt_sw.c
index 6a80485..2bd15e7 100644
--- a/scripts/dtc/libfdt/fdt_sw.c
+++ b/scripts/dtc/libfdt/fdt_sw.c
@@ -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;
}
diff --git a/scripts/dtc/libfdt/fdt_wip.c b/scripts/dtc/libfdt/fdt_wip.c
index 6aaab39..5e85919 100644
--- a/scripts/dtc/libfdt/fdt_wip.c
+++ b/scripts/dtc/libfdt/fdt_wip.c
@@ -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));
diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h
index b842b15..a248b1b 100644
--- a/scripts/dtc/libfdt/libfdt.h
+++ b/scripts/dtc/libfdt/libfdt.h
@@ -143,7 +143,9 @@
/* Low-level functions (you probably don't need these) */
/**********************************************************************/
+#ifndef SWIG /* This function is not useful in Python */
const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen);
+#endif
static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen)
{
return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen);
@@ -210,7 +212,6 @@ static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen)
/**********************************************************************/
/* General functions */
/**********************************************************************/
-
#define fdt_get_header(fdt, field) \
(fdt32_to_cpu(((const struct fdt_header *)(fdt))->field))
#define fdt_magic(fdt) (fdt_get_header(fdt, magic))
@@ -354,8 +355,10 @@ static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen)
* useful for finding subnodes based on a portion of a larger string,
* such as a full path.
*/
+#ifndef SWIG /* Not available in Python */
int fdt_subnode_offset_namelen(const void *fdt, int parentoffset,
const char *name, int namelen);
+#endif
/**
* fdt_subnode_offset - find a subnode of a given node
* @fdt: pointer to the device tree blob
@@ -391,7 +394,9 @@ int fdt_subnode_offset_namelen(const void *fdt, int parentoffset,
* Identical to fdt_path_offset(), but only consider the first namelen
* characters of path as the path name.
*/
+#ifndef SWIG /* Not available in Python */
int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen);
+#endif
/**
* fdt_path_offset - find a tree node by its full path
@@ -550,10 +555,12 @@ const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
* Identical to fdt_get_property(), but only examine the first namelen
* characters of name for matching the property name.
*/
+#ifndef SWIG /* Not available in Python */
const struct fdt_property *fdt_get_property_namelen(const void *fdt,
int nodeoffset,
const char *name,
int namelen, int *lenp);
+#endif
/**
* fdt_get_property - find a given property in a given node
@@ -624,8 +631,10 @@ static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset,
* -FDT_ERR_BADSTRUCTURE,
* -FDT_ERR_TRUNCATED, standard meanings
*/
+#ifndef SWIG /* This function is not useful in Python */
const void *fdt_getprop_by_offset(const void *fdt, int offset,
const char **namep, int *lenp);
+#endif
/**
* fdt_getprop_namelen - get property value based on substring
@@ -638,6 +647,7 @@ const void *fdt_getprop_by_offset(const void *fdt, int offset,
* Identical to fdt_getprop(), but only examine the first namelen
* characters of name for matching the property name.
*/
+#ifndef SWIG /* Not available in Python */
const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
const char *name, int namelen, int *lenp);
static inline void *fdt_getprop_namelen_w(void *fdt, int nodeoffset,
@@ -647,6 +657,7 @@ static inline void *fdt_getprop_namelen_w(void *fdt, int nodeoffset,
return (void *)(uintptr_t)fdt_getprop_namelen(fdt, nodeoffset, name,
namelen, lenp);
}
+#endif
/**
* fdt_getprop - retrieve the value of a given property
@@ -707,8 +718,10 @@ static inline void *fdt_getprop_w(void *fdt, int nodeoffset,
* Identical to fdt_get_alias(), but only examine the first namelen
* characters of name for matching the alias name.
*/
+#ifndef SWIG /* Not available in Python */
const char *fdt_get_alias_namelen(const void *fdt,
const char *name, int namelen);
+#endif
/**
* fdt_get_alias - retrieve the path referenced by a given alias
@@ -1106,10 +1119,12 @@ const char *fdt_stringlist_get(const void *fdt, int nodeoffset,
* of the name. It is useful when you want to manipulate only one value of
* an array and you have a string that doesn't end with \0.
*/
+#ifndef SWIG /* Not available in Python */
int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset,
const char *name, int namelen,
uint32_t idx, const void *val,
int len);
+#endif
/**
* fdt_setprop_inplace - change a property's value, but not its size
@@ -1139,8 +1154,10 @@ int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset,
* -FDT_ERR_BADSTRUCTURE,
* -FDT_ERR_TRUNCATED, standard meanings
*/
+#ifndef SWIG /* Not available in Python */
int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
const void *val, int len);
+#endif
/**
* fdt_setprop_inplace_u32 - change the value of a 32-bit integer property
@@ -1297,6 +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);
@@ -1527,6 +1560,36 @@ static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name,
#define fdt_setprop_string(fdt, nodeoffset, name, str) \
fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
+
+/**
+ * fdt_setprop_empty - set a property to an empty value
+ * @fdt: pointer to the device tree blob
+ * @nodeoffset: offset of the node whose property to change
+ * @name: name of the property to change
+ *
+ * fdt_setprop_empty() sets the value of the named property in the
+ * given node to an empty (zero length) value, or creates a new empty
+ * property if it does not already exist.
+ *
+ * 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
+ */
+#define fdt_setprop_empty(fdt, nodeoffset, name) \
+ fdt_setprop((fdt), (nodeoffset), (name), NULL, 0)
+
/**
* fdt_appendprop - append to or create a property
* @fdt: pointer to the device tree blob
@@ -1704,8 +1767,10 @@ static inline int fdt_appendprop_cell(void *fdt, int nodeoffset,
* creating subnodes based on a portion of a larger string, such as a
* full path.
*/
+#ifndef SWIG /* Not available in Python */
int fdt_add_subnode_namelen(void *fdt, int parentoffset,
const char *name, int namelen);
+#endif
/**
* fdt_add_subnode - creates a new node
diff --git a/scripts/dtc/libfdt/libfdt_env.h b/scripts/dtc/libfdt/libfdt_env.h
index 99f936d..952056c 100644
--- a/scripts/dtc/libfdt/libfdt_env.h
+++ b/scripts/dtc/libfdt/libfdt_env.h
@@ -58,16 +58,16 @@
#include <string.h>
#ifdef __CHECKER__
-#define __force __attribute__((force))
-#define __bitwise __attribute__((bitwise))
+#define FDT_FORCE __attribute__((force))
+#define FDT_BITWISE __attribute__((bitwise))
#else
-#define __force
-#define __bitwise
+#define FDT_FORCE
+#define FDT_BITWISE
#endif
-typedef uint16_t __bitwise fdt16_t;
-typedef uint32_t __bitwise fdt32_t;
-typedef uint64_t __bitwise fdt64_t;
+typedef uint16_t FDT_BITWISE fdt16_t;
+typedef uint32_t FDT_BITWISE fdt32_t;
+typedef uint64_t FDT_BITWISE fdt64_t;
#define EXTRACT_BYTE(x, n) ((unsigned long long)((uint8_t *)&x)[n])
#define CPU_TO_FDT16(x) ((EXTRACT_BYTE(x, 0) << 8) | EXTRACT_BYTE(x, 1))
@@ -80,29 +80,29 @@
static inline uint16_t fdt16_to_cpu(fdt16_t x)
{
- return (__force uint16_t)CPU_TO_FDT16(x);
+ return (FDT_FORCE uint16_t)CPU_TO_FDT16(x);
}
static inline fdt16_t cpu_to_fdt16(uint16_t x)
{
- return (__force fdt16_t)CPU_TO_FDT16(x);
+ return (FDT_FORCE fdt16_t)CPU_TO_FDT16(x);
}
static inline uint32_t fdt32_to_cpu(fdt32_t x)
{
- return (__force uint32_t)CPU_TO_FDT32(x);
+ return (FDT_FORCE uint32_t)CPU_TO_FDT32(x);
}
static inline fdt32_t cpu_to_fdt32(uint32_t x)
{
- return (__force fdt32_t)CPU_TO_FDT32(x);
+ return (FDT_FORCE fdt32_t)CPU_TO_FDT32(x);
}
static inline uint64_t fdt64_to_cpu(fdt64_t x)
{
- return (__force uint64_t)CPU_TO_FDT64(x);
+ return (FDT_FORCE uint64_t)CPU_TO_FDT64(x);
}
static inline fdt64_t cpu_to_fdt64(uint64_t x)
{
- return (__force fdt64_t)CPU_TO_FDT64(x);
+ return (FDT_FORCE fdt64_t)CPU_TO_FDT64(x);
}
#undef CPU_TO_FDT64
#undef CPU_TO_FDT32
diff --git a/scripts/dtc/livetree.c b/scripts/dtc/livetree.c
index afa2f67..aecd278 100644
--- a/scripts/dtc/livetree.c
+++ b/scripts/dtc/livetree.c
@@ -242,7 +242,7 @@ void delete_property_by_name(struct node *node, char *name)
struct property *prop = node->proplist;
while (prop) {
- if (!strcmp(prop->name, name)) {
+ if (streq(prop->name, name)) {
delete_property(prop);
return;
}
@@ -275,7 +275,7 @@ void delete_node_by_name(struct node *parent, char *name)
struct node *node = parent->children;
while (node) {
- if (!strcmp(node->name, name)) {
+ if (streq(node->name, name)) {
delete_node(node);
return;
}
@@ -319,8 +319,8 @@ struct reserve_info *build_reserve_entry(uint64_t address, uint64_t size)
memset(new, 0, sizeof(*new));
- new->re.address = address;
- new->re.size = size;
+ new->address = address;
+ new->size = size;
return new;
}
@@ -393,7 +393,7 @@ struct property *get_property(struct node *node, const char *propname)
cell_t propval_cell(struct property *prop)
{
assert(prop->val.len == sizeof(cell_t));
- return fdt32_to_cpu(*((cell_t *)prop->val.val));
+ return fdt32_to_cpu(*((fdt32_t *)prop->val.val));
}
struct property *get_property_by_label(struct node *tree, const char *label,
@@ -478,7 +478,8 @@ 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;
@@ -599,13 +600,13 @@ static int cmp_reserve_info(const void *ax, const void *bx)
a = *((const struct reserve_info * const *)ax);
b = *((const struct reserve_info * const *)bx);
- if (a->re.address < b->re.address)
+ if (a->address < b->address)
return -1;
- else if (a->re.address > b->re.address)
+ else if (a->address > b->address)
return 1;
- else if (a->re.size < b->re.size)
+ else if (a->size < b->size)
return -1;
- else if (a->re.size > b->re.size)
+ else if (a->size > b->size)
return 1;
else
return 0;
@@ -847,6 +848,8 @@ static void add_fixup_entry(struct dt_info *dti, struct node *fn,
xasprintf(&entry, "%s:%s:%u",
node->fullpath, prop->name, m->offset);
append_to_property(fn, m->ref, entry, strlen(entry) + 1);
+
+ free(entry);
}
static void generate_fixups_tree_internal(struct dt_info *dti,
@@ -900,7 +903,7 @@ static void add_local_fixup_entry(struct dt_info *dti,
struct node *refnode)
{
struct node *wn, *nwn; /* local fixup node, walk node, new */
- uint32_t value_32;
+ fdt32_t value_32;
char **compp;
int i, depth;
diff --git a/scripts/dtc/srcpos.c b/scripts/dtc/srcpos.c
index aa3aad0..9d38459 100644
--- a/scripts/dtc/srcpos.c
+++ b/scripts/dtc/srcpos.c
@@ -252,7 +252,7 @@ struct srcpos *
const char *fname = "<no-file>";
char *pos_str;
- if (pos)
+ if (pos->file && pos->file->name)
fname = pos->file->name;
diff --git a/scripts/dtc/srcpos.h b/scripts/dtc/srcpos.h
index 2cdfcd8..7caca82 100644
--- a/scripts/dtc/srcpos.h
+++ b/scripts/dtc/srcpos.h
@@ -22,6 +22,7 @@
#include <stdio.h>
#include <stdbool.h>
+#include "util.h"
struct srcfile_state {
FILE *f;
@@ -106,12 +107,10 @@ struct srcpos {
extern struct srcpos *srcpos_copy(struct srcpos *pos);
extern char *srcpos_string(struct srcpos *pos);
-extern void srcpos_verror(struct srcpos *pos, const char *prefix,
- const char *fmt, va_list va)
- __attribute__((format(printf, 3, 0)));
-extern void srcpos_error(struct srcpos *pos, const char *prefix,
- const char *fmt, ...)
- __attribute__((format(printf, 3, 4)));
+extern void PRINTF(3, 0) srcpos_verror(struct srcpos *pos, const char *prefix,
+ const char *fmt, va_list va);
+extern void PRINTF(3, 4) srcpos_error(struct srcpos *pos, const char *prefix,
+ const char *fmt, ...);
extern void srcpos_set_line(char *f, int l);
diff --git a/scripts/dtc/treesource.c b/scripts/dtc/treesource.c
index c9d8967..2461a3d 100644
--- a/scripts/dtc/treesource.c
+++ b/scripts/dtc/treesource.c
@@ -137,7 +137,7 @@ static void write_propval_string(FILE *f, struct data val)
static void write_propval_cells(FILE *f, struct data val)
{
void *propend = val.val + val.len;
- cell_t *cp = (cell_t *)val.val;
+ fdt32_t *cp = (fdt32_t *)val.val;
struct marker *m = val.markers;
fprintf(f, "<");
@@ -275,8 +275,8 @@ void dt_to_source(FILE *f, struct dt_info *dti)
for_each_label(re->labels, l)
fprintf(f, "%s: ", l->label);
fprintf(f, "/memreserve/\t0x%016llx 0x%016llx;\n",
- (unsigned long long)re->re.address,
- (unsigned long long)re->re.size);
+ (unsigned long long)re->address,
+ (unsigned long long)re->size);
}
write_tree_source_node(f, dti->dt, 0);
diff --git a/scripts/dtc/util.c b/scripts/dtc/util.c
index 3550f86..9953c32 100644
--- a/scripts/dtc/util.c
+++ b/scripts/dtc/util.c
@@ -396,7 +396,7 @@ void utilfdt_print_data(const char *data, int len)
} while (s < data + len);
} else if ((len % 4) == 0) {
- const uint32_t *cell = (const uint32_t *)data;
+ const fdt32_t *cell = (const fdt32_t *)data;
printf(" = <");
for (i = 0, len /= 4; i < len; i++)
@@ -412,15 +412,16 @@ void utilfdt_print_data(const char *data, int len)
}
}
-void util_version(void)
+void NORETURN util_version(void)
{
printf("Version: %s\n", DTC_VERSION);
exit(0);
}
-void util_usage(const char *errmsg, const char *synopsis,
- const char *short_opts, struct option const long_opts[],
- const char * const opts_help[])
+void NORETURN util_usage(const char *errmsg, const char *synopsis,
+ const char *short_opts,
+ struct option const long_opts[],
+ const char * const opts_help[])
{
FILE *fp = errmsg ? stderr : stdout;
const char a_arg[] = "<arg>";
diff --git a/scripts/dtc/util.h b/scripts/dtc/util.h
index f5c4f1b..ad5f411 100644
--- a/scripts/dtc/util.h
+++ b/scripts/dtc/util.h
@@ -25,9 +25,17 @@
* USA
*/
+#ifdef __GNUC__
+#define PRINTF(i, j) __attribute__((format (printf, i, j)))
+#define NORETURN __attribute__((noreturn))
+#else
+#define PRINTF(i, j)
+#define NORETURN
+#endif
+
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-static inline void __attribute__((noreturn)) die(const char *str, ...)
+static inline void NORETURN PRINTF(1, 2) die(const char *str, ...)
{
va_list ap;
@@ -53,13 +61,14 @@ static inline void *xrealloc(void *p, size_t len)
void *new = realloc(p, len);
if (!new)
- die("realloc() failed (len=%d)\n", len);
+ die("realloc() failed (len=%zd)\n", len);
return new;
}
extern char *xstrdup(const char *s);
-extern int xasprintf(char **strp, const char *fmt, ...);
+
+extern int PRINTF(2, 3) xasprintf(char **strp, const char *fmt, ...);
extern char *join_path(const char *path, const char *name);
/**
@@ -188,7 +197,7 @@ static inline void *xrealloc(void *p, size_t len)
/**
* Show source version and exit
*/
-void util_version(void) __attribute__((noreturn));
+void NORETURN util_version(void);
/**
* Show usage and exit
@@ -202,9 +211,10 @@ static inline void *xrealloc(void *p, size_t len)
* @param long_opts The structure of long options
* @param opts_help An array of help strings (should align with long_opts)
*/
-void util_usage(const char *errmsg, const char *synopsis,
- const char *short_opts, struct option const long_opts[],
- const char * const opts_help[]) __attribute__((noreturn));
+void NORETURN util_usage(const char *errmsg, const char *synopsis,
+ const char *short_opts,
+ struct option const long_opts[],
+ const char * const opts_help[]);
/**
* Show usage and exit
diff --git a/scripts/dtc/version_gen.h b/scripts/dtc/version_gen.h
index 16c2e53..74a2ffc 100644
--- a/scripts/dtc/version_gen.h
+++ b/scripts/dtc/version_gen.h
@@ -1 +1 @@
-#define DTC_VERSION "DTC 1.4.2-g0931cea3"
+#define DTC_VERSION "DTC 1.4.4-ga10cb3c8"
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index ddf83d0..a0fb9e3 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -275,7 +275,11 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
# DTC
# ---------------------------------------------------------------------------
+ifeq ($(CONFIG_OF_CONFIGFS),y)
+DTC ?= $(objtree)/scripts/dtc/dtc -@
+else
DTC ?= $(objtree)/scripts/dtc/dtc
+endif
# Generate an assembly file to wrap the output of the device tree compiler
quiet_cmd_dt_S_dtb= DTB $@
Reference in a new issue Copy permalink