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-rw-r--r--src/dtc/checks.c759
1 files changed, 759 insertions, 0 deletions
diff --git a/src/dtc/checks.c b/src/dtc/checks.c
new file mode 100644
index 0000000..ee96a25
--- /dev/null
+++ b/src/dtc/checks.c
@@ -0,0 +1,759 @@
+/*
+ * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2007.
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include "dtc.h"
+
+#ifdef TRACE_CHECKS
+#define TRACE(c, ...) \
+ do { \
+ fprintf(stderr, "=== %s: ", (c)->name); \
+ fprintf(stderr, __VA_ARGS__); \
+ fprintf(stderr, "\n"); \
+ } while (0)
+#else
+#define TRACE(c, fmt, ...) do { } while (0)
+#endif
+
+enum checkstatus {
+ UNCHECKED = 0,
+ PREREQ,
+ PASSED,
+ FAILED,
+};
+
+struct check;
+
+typedef void (*tree_check_fn)(struct check *c, struct node *dt);
+typedef void (*node_check_fn)(struct check *c, struct node *dt, struct node *node);
+typedef void (*prop_check_fn)(struct check *c, struct node *dt,
+ struct node *node, struct property *prop);
+
+struct check {
+ const char *name;
+ tree_check_fn tree_fn;
+ node_check_fn node_fn;
+ prop_check_fn prop_fn;
+ void *data;
+ bool warn, error;
+ enum checkstatus status;
+ int inprogress;
+ int num_prereqs;
+ struct check **prereq;
+};
+
+#define CHECK_ENTRY(nm, tfn, nfn, pfn, d, w, e, ...) \
+ static struct check *nm##_prereqs[] = { __VA_ARGS__ }; \
+ static struct check nm = { \
+ .name = #nm, \
+ .tree_fn = (tfn), \
+ .node_fn = (nfn), \
+ .prop_fn = (pfn), \
+ .data = (d), \
+ .warn = (w), \
+ .error = (e), \
+ .status = UNCHECKED, \
+ .num_prereqs = ARRAY_SIZE(nm##_prereqs), \
+ .prereq = nm##_prereqs, \
+ };
+#define WARNING(nm, tfn, nfn, pfn, d, ...) \
+ CHECK_ENTRY(nm, tfn, nfn, pfn, d, true, false, __VA_ARGS__)
+#define ERROR(nm, tfn, nfn, pfn, d, ...) \
+ CHECK_ENTRY(nm, tfn, nfn, pfn, d, false, true, __VA_ARGS__)
+#define CHECK(nm, tfn, nfn, pfn, d, ...) \
+ CHECK_ENTRY(nm, tfn, nfn, pfn, d, false, false, __VA_ARGS__)
+
+#define TREE_WARNING(nm, d, ...) \
+ WARNING(nm, check_##nm, NULL, NULL, d, __VA_ARGS__)
+#define TREE_ERROR(nm, d, ...) \
+ ERROR(nm, check_##nm, NULL, NULL, d, __VA_ARGS__)
+#define TREE_CHECK(nm, d, ...) \
+ CHECK(nm, check_##nm, NULL, NULL, d, __VA_ARGS__)
+#define NODE_WARNING(nm, d, ...) \
+ WARNING(nm, NULL, check_##nm, NULL, d, __VA_ARGS__)
+#define NODE_ERROR(nm, d, ...) \
+ ERROR(nm, NULL, check_##nm, NULL, d, __VA_ARGS__)
+#define NODE_CHECK(nm, d, ...) \
+ CHECK(nm, NULL, check_##nm, NULL, d, __VA_ARGS__)
+#define PROP_WARNING(nm, d, ...) \
+ WARNING(nm, NULL, NULL, check_##nm, d, __VA_ARGS__)
+#define PROP_ERROR(nm, d, ...) \
+ ERROR(nm, NULL, NULL, check_##nm, d, __VA_ARGS__)
+#define PROP_CHECK(nm, d, ...) \
+ CHECK(nm, NULL, NULL, check_##nm, d, __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, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+
+ if ((c->warn && (quiet < 1))
+ || (c->error && (quiet < 2))) {
+ fprintf(stderr, "%s (%s): ",
+ (c->error) ? "ERROR" : "Warning", c->name);
+ vfprintf(stderr, fmt, ap);
+ fprintf(stderr, "\n");
+ }
+}
+
+#define FAIL(c, ...) \
+ do { \
+ TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
+ (c)->status = FAILED; \
+ check_msg((c), __VA_ARGS__); \
+ } while (0)
+
+static void check_nodes_props(struct check *c, struct node *dt, struct node *node)
+{
+ struct node *child;
+ struct property *prop;
+
+ TRACE(c, "%s", node->fullpath);
+ if (c->node_fn)
+ c->node_fn(c, dt, node);
+
+ if (c->prop_fn)
+ for_each_property(node, prop) {
+ TRACE(c, "%s\t'%s'", node->fullpath, prop->name);
+ c->prop_fn(c, dt, node, prop);
+ }
+
+ for_each_child(node, child)
+ check_nodes_props(c, dt, child);
+}
+
+static int run_check(struct check *c, struct node *dt)
+{
+ int error = 0;
+ int i;
+
+ assert(!c->inprogress);
+
+ if (c->status != UNCHECKED)
+ goto out;
+
+ c->inprogress = 1;
+
+ for (i = 0; i < c->num_prereqs; i++) {
+ struct check *prq = c->prereq[i];
+ error |= run_check(prq, dt);
+ if (prq->status != PASSED) {
+ c->status = PREREQ;
+ check_msg(c, "Failed prerequisite '%s'",
+ c->prereq[i]->name);
+ }
+ }
+
+ if (c->status != UNCHECKED)
+ goto out;
+
+ if (c->node_fn || c->prop_fn)
+ check_nodes_props(c, dt, dt);
+
+ if (c->tree_fn)
+ c->tree_fn(c, dt);
+ if (c->status == UNCHECKED)
+ c->status = PASSED;
+
+ TRACE(c, "\tCompleted, status %d", c->status);
+
+out:
+ c->inprogress = 0;
+ if ((c->status != PASSED) && (c->error))
+ error = 1;
+ return error;
+}
+
+/*
+ * Utility check functions
+ */
+
+/* A check which always fails, for testing purposes only */
+static inline void check_always_fail(struct check *c, struct node *dt)
+{
+ FAIL(c, "always_fail check");
+}
+TREE_CHECK(always_fail, NULL);
+
+static void check_is_string(struct check *c, struct node *root,
+ struct node *node)
+{
+ struct property *prop;
+ char *propname = c->data;
+
+ prop = get_property(node, propname);
+ if (!prop)
+ return; /* Not present, assumed ok */
+
+ if (!data_is_one_string(prop->val))
+ FAIL(c, "\"%s\" property in %s is not a string",
+ propname, node->fullpath);
+}
+#define WARNING_IF_NOT_STRING(nm, propname) \
+ WARNING(nm, NULL, check_is_string, NULL, (propname))
+#define ERROR_IF_NOT_STRING(nm, propname) \
+ ERROR(nm, NULL, check_is_string, NULL, (propname))
+
+static void check_is_cell(struct check *c, struct node *root,
+ struct node *node)
+{
+ struct property *prop;
+ char *propname = c->data;
+
+ prop = get_property(node, propname);
+ if (!prop)
+ return; /* Not present, assumed ok */
+
+ if (prop->val.len != sizeof(cell_t))
+ FAIL(c, "\"%s\" property in %s is not a single cell",
+ propname, node->fullpath);
+}
+#define WARNING_IF_NOT_CELL(nm, propname) \
+ WARNING(nm, NULL, check_is_cell, NULL, (propname))
+#define ERROR_IF_NOT_CELL(nm, propname) \
+ ERROR(nm, NULL, check_is_cell, NULL, (propname))
+
+/*
+ * Structural check functions
+ */
+
+static void check_duplicate_node_names(struct check *c, struct node *dt,
+ struct node *node)
+{
+ struct node *child, *child2;
+
+ for_each_child(node, child)
+ for (child2 = child->next_sibling;
+ child2;
+ child2 = child2->next_sibling)
+ if (streq(child->name, child2->name))
+ FAIL(c, "Duplicate node name %s",
+ child->fullpath);
+}
+NODE_ERROR(duplicate_node_names, NULL);
+
+static void check_duplicate_property_names(struct check *c, struct node *dt,
+ struct node *node)
+{
+ struct property *prop, *prop2;
+
+ for_each_property(node, prop) {
+ for (prop2 = prop->next; prop2; prop2 = prop2->next) {
+ if (prop2->deleted)
+ continue;
+ if (streq(prop->name, prop2->name))
+ FAIL(c, "Duplicate property name %s in %s",
+ prop->name, node->fullpath);
+ }
+ }
+}
+NODE_ERROR(duplicate_property_names, NULL);
+
+#define LOWERCASE "abcdefghijklmnopqrstuvwxyz"
+#define UPPERCASE "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+#define DIGITS "0123456789"
+#define PROPNODECHARS LOWERCASE UPPERCASE DIGITS ",._+*#?-"
+
+static void check_node_name_chars(struct check *c, struct node *dt,
+ struct node *node)
+{
+ int n = strspn(node->name, c->data);
+
+ if (n < strlen(node->name))
+ FAIL(c, "Bad character '%c' in node %s",
+ node->name[n], node->fullpath);
+}
+NODE_ERROR(node_name_chars, PROPNODECHARS "@");
+
+static void check_node_name_format(struct check *c, struct node *dt,
+ struct node *node)
+{
+ if (strchr(get_unitname(node), '@'))
+ FAIL(c, "Node %s has multiple '@' characters in name",
+ node->fullpath);
+}
+NODE_ERROR(node_name_format, NULL, &node_name_chars);
+
+static void check_property_name_chars(struct check *c, struct node *dt,
+ struct node *node, struct property *prop)
+{
+ int n = strspn(prop->name, c->data);
+
+ if (n < strlen(prop->name))
+ FAIL(c, "Bad character '%c' in property name \"%s\", node %s",
+ prop->name[n], prop->name, node->fullpath);
+}
+PROP_ERROR(property_name_chars, PROPNODECHARS);
+
+#define DESCLABEL_FMT "%s%s%s%s%s"
+#define DESCLABEL_ARGS(node,prop,mark) \
+ ((mark) ? "value of " : ""), \
+ ((prop) ? "'" : ""), \
+ ((prop) ? (prop)->name : ""), \
+ ((prop) ? "' in " : ""), (node)->fullpath
+
+static void check_duplicate_label(struct check *c, struct node *dt,
+ const char *label, struct node *node,
+ struct property *prop, struct marker *mark)
+{
+ struct node *othernode = NULL;
+ struct property *otherprop = NULL;
+ struct marker *othermark = NULL;
+
+ othernode = get_node_by_label(dt, label);
+
+ if (!othernode)
+ otherprop = get_property_by_label(dt, label, &othernode);
+ if (!othernode)
+ othermark = get_marker_label(dt, label, &othernode,
+ &otherprop);
+
+ if (!othernode)
+ return;
+
+ if ((othernode != node) || (otherprop != prop) || (othermark != mark))
+ FAIL(c, "Duplicate label '%s' on " DESCLABEL_FMT
+ " and " DESCLABEL_FMT,
+ label, DESCLABEL_ARGS(node, prop, mark),
+ DESCLABEL_ARGS(othernode, otherprop, othermark));
+}
+
+static void check_duplicate_label_node(struct check *c, struct node *dt,
+ struct node *node)
+{
+ struct label *l;
+
+ for_each_label(node->labels, l)
+ check_duplicate_label(c, dt, l->label, node, NULL, NULL);
+}
+static void check_duplicate_label_prop(struct check *c, struct node *dt,
+ struct node *node, struct property *prop)
+{
+ struct marker *m = prop->val.markers;
+ struct label *l;
+
+ for_each_label(prop->labels, l)
+ check_duplicate_label(c, dt, l->label, node, prop, NULL);
+
+ for_each_marker_of_type(m, LABEL)
+ check_duplicate_label(c, dt, m->ref, node, prop, m);
+}
+ERROR(duplicate_label, NULL, check_duplicate_label_node,
+ check_duplicate_label_prop, NULL);
+
+static void check_explicit_phandles(struct check *c, struct node *root,
+ struct node *node, struct property *prop)
+{
+ struct marker *m;
+ struct node *other;
+ cell_t phandle;
+
+ if (!streq(prop->name, "phandle")
+ && !streq(prop->name, "linux,phandle"))
+ return;
+
+ if (prop->val.len != sizeof(cell_t)) {
+ FAIL(c, "%s has bad length (%d) %s property",
+ node->fullpath, prop->val.len, prop->name);
+ return;
+ }
+
+ m = prop->val.markers;
+ for_each_marker_of_type(m, REF_PHANDLE) {
+ assert(m->offset == 0);
+ if (node != get_node_by_ref(root, m->ref))
+ /* "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",
+ prop->name, node->fullpath);
+ return;
+ }
+ /* But setting this node's phandle equal to its own
+ * phandle is allowed - that means allocate a unique
+ * phandle for this node, even if it's not otherwise
+ * referenced. The value will be filled in later, so
+ * no further checking for now. */
+ return;
+ }
+
+ phandle = propval_cell(prop);
+
+ if ((phandle == 0) || (phandle == -1)) {
+ FAIL(c, "%s has bad value (0x%x) in %s property",
+ node->fullpath, phandle, prop->name);
+ return;
+ }
+
+ if (node->phandle && (node->phandle != phandle))
+ FAIL(c, "%s has %s property which replaces existing phandle information",
+ node->fullpath, prop->name);
+
+ other = get_node_by_phandle(root, phandle);
+ if (other && (other != node)) {
+ FAIL(c, "%s has duplicated phandle 0x%x (seen before at %s)",
+ node->fullpath, phandle, other->fullpath);
+ return;
+ }
+
+ node->phandle = phandle;
+}
+PROP_ERROR(explicit_phandles, NULL);
+
+static void check_name_properties(struct check *c, struct node *root,
+ struct node *node)
+{
+ struct property **pp, *prop = NULL;
+
+ for (pp = &node->proplist; *pp; pp = &((*pp)->next))
+ if (streq((*pp)->name, "name")) {
+ prop = *pp;
+ break;
+ }
+
+ if (!prop)
+ return; /* No name property, that's fine */
+
+ 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"
+ " of base node name)", node->fullpath, prop->val.val);
+ } else {
+ /* The name property is correct, and therefore redundant.
+ * Delete it */
+ *pp = prop->next;
+ free(prop->name);
+ data_free(prop->val);
+ free(prop);
+ }
+}
+ERROR_IF_NOT_STRING(name_is_string, "name");
+NODE_ERROR(name_properties, NULL, &name_is_string);
+
+/*
+ * Reference fixup functions
+ */
+
+static void fixup_phandle_references(struct check *c, struct node *dt,
+ struct node *node, struct property *prop)
+{
+ struct marker *m = prop->val.markers;
+ struct node *refnode;
+ cell_t phandle;
+
+ for_each_marker_of_type(m, REF_PHANDLE) {
+ assert(m->offset + sizeof(cell_t) <= prop->val.len);
+
+ refnode = get_node_by_ref(dt, m->ref);
+ if (! refnode) {
+ FAIL(c, "Reference to non-existent node or label \"%s\"\n",
+ m->ref);
+ continue;
+ }
+
+ phandle = get_node_phandle(dt, refnode);
+ *((cell_t *)(prop->val.val + m->offset)) = cpu_to_fdt32(phandle);
+ }
+}
+ERROR(phandle_references, NULL, NULL, fixup_phandle_references, NULL,
+ &duplicate_node_names, &explicit_phandles);
+
+static void fixup_path_references(struct check *c, struct node *dt,
+ struct node *node, struct property *prop)
+{
+ struct marker *m = prop->val.markers;
+ struct node *refnode;
+ char *path;
+
+ for_each_marker_of_type(m, REF_PATH) {
+ assert(m->offset <= prop->val.len);
+
+ refnode = get_node_by_ref(dt, m->ref);
+ if (!refnode) {
+ FAIL(c, "Reference to non-existent node or label \"%s\"\n",
+ m->ref);
+ continue;
+ }
+
+ path = refnode->fullpath;
+ prop->val = data_insert_at_marker(prop->val, m, path,
+ strlen(path) + 1);
+ }
+}
+ERROR(path_references, NULL, NULL, fixup_path_references, NULL,
+ &duplicate_node_names);
+
+/*
+ * Semantic checks
+ */
+WARNING_IF_NOT_CELL(address_cells_is_cell, "#address-cells");
+WARNING_IF_NOT_CELL(size_cells_is_cell, "#size-cells");
+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");
+
+static void fixup_addr_size_cells(struct check *c, struct node *dt,
+ struct node *node)
+{
+ struct property *prop;
+
+ node->addr_cells = -1;
+ node->size_cells = -1;
+
+ prop = get_property(node, "#address-cells");
+ if (prop)
+ node->addr_cells = propval_cell(prop);
+
+ prop = get_property(node, "#size-cells");
+ if (prop)
+ node->size_cells = propval_cell(prop);
+}
+WARNING(addr_size_cells, NULL, fixup_addr_size_cells, NULL, NULL,
+ &address_cells_is_cell, &size_cells_is_cell);
+
+#define node_addr_cells(n) \
+ (((n)->addr_cells == -1) ? 2 : (n)->addr_cells)
+#define node_size_cells(n) \
+ (((n)->size_cells == -1) ? 1 : (n)->size_cells)
+
+static void check_reg_format(struct check *c, struct node *dt,
+ struct node *node)
+{
+ struct property *prop;
+ int addr_cells, size_cells, entrylen;
+
+ prop = get_property(node, "reg");
+ if (!prop)
+ return; /* No "reg", that's fine */
+
+ if (!node->parent) {
+ FAIL(c, "Root node has a \"reg\" property");
+ return;
+ }
+
+ if (prop->val.len == 0)
+ FAIL(c, "\"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 ((prop->val.len % entrylen) != 0)
+ FAIL(c, "\"reg\" property in %s has invalid length (%d bytes) "
+ "(#address-cells == %d, #size-cells == %d)",
+ node->fullpath, prop->val.len, addr_cells, size_cells);
+}
+NODE_WARNING(reg_format, NULL, &addr_size_cells);
+
+static void check_ranges_format(struct check *c, struct node *dt,
+ struct node *node)
+{
+ struct property *prop;
+ int c_addr_cells, p_addr_cells, c_size_cells, p_size_cells, entrylen;
+
+ prop = get_property(node, "ranges");
+ if (!prop)
+ return;
+
+ if (!node->parent) {
+ FAIL(c, "Root node has a \"ranges\" property");
+ return;
+ }
+
+ p_addr_cells = node_addr_cells(node->parent);
+ p_size_cells = node_size_cells(node->parent);
+ c_addr_cells = node_addr_cells(node);
+ c_size_cells = node_size_cells(node);
+ entrylen = (p_addr_cells + c_addr_cells + c_size_cells) * sizeof(cell_t);
+
+ if (prop->val.len == 0) {
+ if (p_addr_cells != c_addr_cells)
+ FAIL(c, "%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 "
+ "#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) "
+ "(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);
+ }
+}
+NODE_WARNING(ranges_format, NULL, &addr_size_cells);
+
+/*
+ * Style checks
+ */
+static void check_avoid_default_addr_size(struct check *c, struct node *dt,
+ struct node *node)
+{
+ struct property *reg, *ranges;
+
+ if (!node->parent)
+ return; /* Ignore root node */
+
+ reg = get_property(node, "reg");
+ ranges = get_property(node, "ranges");
+
+ if (!reg && !ranges)
+ return;
+
+ if ((node->parent->addr_cells == -1))
+ FAIL(c, "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",
+ node->fullpath);
+}
+NODE_WARNING(avoid_default_addr_size, NULL, &addr_size_cells);
+
+static void check_obsolete_chosen_interrupt_controller(struct check *c,
+ struct node *dt)
+{
+ struct node *chosen;
+ struct property *prop;
+
+ chosen = get_node_by_path(dt, "/chosen");
+ if (!chosen)
+ return;
+
+ prop = get_property(chosen, "interrupt-controller");
+ if (prop)
+ FAIL(c, "/chosen has obsolete \"interrupt-controller\" "
+ "property");
+}
+TREE_WARNING(obsolete_chosen_interrupt_controller, NULL);
+
+static struct check *check_table[] = {
+ &duplicate_node_names, &duplicate_property_names,
+ &node_name_chars, &node_name_format, &property_name_chars,
+ &name_is_string, &name_properties,
+
+ &duplicate_label,
+
+ &explicit_phandles,
+ &phandle_references, &path_references,
+
+ &address_cells_is_cell, &size_cells_is_cell, &interrupt_cells_is_cell,
+ &device_type_is_string, &model_is_string, &status_is_string,
+
+ &addr_size_cells, &reg_format, &ranges_format,
+
+ &avoid_default_addr_size,
+ &obsolete_chosen_interrupt_controller,
+
+ &always_fail,
+};
+
+static void enable_warning_error(struct check *c, bool warn, bool error)
+{
+ int i;
+
+ /* Raising level, also raise it for prereqs */
+ if ((warn && !c->warn) || (error && !c->error))
+ for (i = 0; i < c->num_prereqs; i++)
+ enable_warning_error(c->prereq[i], warn, error);
+
+ c->warn = c->warn || warn;
+ c->error = c->error || error;
+}
+
+static void disable_warning_error(struct check *c, bool warn, bool error)
+{
+ int i;
+
+ /* Lowering level, also lower it for things this is the prereq
+ * for */
+ if ((warn && c->warn) || (error && c->error)) {
+ for (i = 0; i < ARRAY_SIZE(check_table); i++) {
+ struct check *cc = check_table[i];
+ int j;
+
+ for (j = 0; j < cc->num_prereqs; j++)
+ if (cc->prereq[j] == c)
+ disable_warning_error(cc, warn, error);
+ }
+ }
+
+ c->warn = c->warn && !warn;
+ c->error = c->error && !error;
+}
+
+void parse_checks_option(bool warn, bool error, const char *optarg)
+{
+ int i;
+ const char *name = optarg;
+ bool enable = true;
+
+ if ((strncmp(optarg, "no-", 3) == 0)
+ || (strncmp(optarg, "no_", 3) == 0)) {
+ name = optarg + 3;
+ enable = false;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(check_table); i++) {
+ struct check *c = check_table[i];
+
+ if (streq(c->name, name)) {
+ if (enable)
+ enable_warning_error(c, warn, error);
+ else
+ disable_warning_error(c, warn, error);
+ return;
+ }
+ }
+
+ die("Unrecognized check name \"%s\"\n", name);
+}
+
+void process_checks(int force, struct boot_info *bi)
+{
+ struct node *dt = bi->dt;
+ int i;
+ int error = 0;
+
+ for (i = 0; i < ARRAY_SIZE(check_table); i++) {
+ struct check *c = check_table[i];
+
+ if (c->warn || c->error)
+ error = error || run_check(c, dt);
+ }
+
+ if (error) {
+ if (!force) {
+ fprintf(stderr, "ERROR: Input tree has errors, aborting "
+ "(use -f to force output)\n");
+ exit(2);
+ } else if (quiet < 3) {
+ fprintf(stderr, "Warning: Input tree has errors, "
+ "output forced\n");
+ }
+ }
+}
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