| /* |
| * (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 (*check_fn)(struct check *c, struct boot_info *bi, struct node *node); |
| |
| struct check { |
| const char *name; |
| check_fn fn; |
| void *data; |
| bool warn, error; |
| enum checkstatus status; |
| bool inprogress; |
| int num_prereqs; |
| 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), \ |
| .status = UNCHECKED, \ |
| .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__) |
| |
| #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"); |
| } |
| va_end(ap); |
| } |
| |
| #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 boot_info *bi, struct node *node) |
| { |
| struct node *child; |
| |
| TRACE(c, "%s", node->fullpath); |
| if (c->fn) |
| c->fn(c, bi, node); |
| |
| for_each_child(node, child) |
| check_nodes_props(c, bi, child); |
| } |
| |
| static bool run_check(struct check *c, struct boot_info *bi) |
| { |
| struct node *dt = bi->dt; |
| bool error = false; |
| int i; |
| |
| assert(!c->inprogress); |
| |
| if (c->status != UNCHECKED) |
| goto out; |
| |
| c->inprogress = true; |
| |
| for (i = 0; i < c->num_prereqs; i++) { |
| struct check *prq = c->prereq[i]; |
| error = error || run_check(prq, bi); |
| if (prq->status != PASSED) { |
| c->status = PREREQ; |
| check_msg(c, "Failed prerequisite '%s'", |
| c->prereq[i]->name); |
| } |
| } |
| |
| if (c->status != UNCHECKED) |
| goto out; |
| |
| check_nodes_props(c, bi, dt); |
| |
| if (c->status == UNCHECKED) |
| c->status = PASSED; |
| |
| TRACE(c, "\tCompleted, status %d", c->status); |
| |
| out: |
| c->inprogress = false; |
| if ((c->status != PASSED) && (c->error)) |
| error = true; |
| return error; |
| } |
| |
| /* |
| * Utility check functions |
| */ |
| |
| /* A check which always fails, for testing purposes only */ |
| static inline void check_always_fail(struct check *c, struct boot_info *bi, |
| struct node *node) |
| { |
| FAIL(c, "always_fail check"); |
| } |
| CHECK(always_fail, check_always_fail, NULL); |
| |
| static void check_is_string(struct check *c, struct boot_info *bi, |
| 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, check_is_string, (propname)) |
| #define ERROR_IF_NOT_STRING(nm, propname) \ |
| ERROR(nm, check_is_string, (propname)) |
| |
| static void check_is_cell(struct check *c, struct boot_info *bi, |
| 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, check_is_cell, (propname)) |
| #define ERROR_IF_NOT_CELL(nm, propname) \ |
| ERROR(nm, check_is_cell, (propname)) |
| |
| /* |
| * Structural check functions |
| */ |
| |
| static void check_duplicate_node_names(struct check *c, struct boot_info *bi, |
| 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); |
| } |
| ERROR(duplicate_node_names, check_duplicate_node_names, NULL); |
| |
| static void check_duplicate_property_names(struct check *c, struct boot_info *bi, |
| 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); |
| } |
| } |
| } |
| ERROR(duplicate_property_names, check_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 boot_info *bi, |
| 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); |
| } |
| ERROR(node_name_chars, check_node_name_chars, PROPNODECHARS "@"); |
| |
| static void check_node_name_format(struct check *c, struct boot_info *bi, |
| struct node *node) |
| { |
| if (strchr(get_unitname(node), '@')) |
| FAIL(c, "Node %s has multiple '@' characters in name", |
| node->fullpath); |
| } |
| ERROR(node_name_format, check_node_name_format, NULL, &node_name_chars); |
| |
| static void check_unit_address_vs_reg(struct check *c, struct boot_info *bi, |
| struct node *node) |
| { |
| const char *unitname = get_unitname(node); |
| struct property *prop = get_property(node, "reg"); |
| |
| if (!prop) { |
| prop = get_property(node, "ranges"); |
| if (prop && !prop->val.len) |
| prop = NULL; |
| } |
| |
| if (prop) { |
| if (!unitname[0]) |
| FAIL(c, "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", |
| node->fullpath); |
| } |
| } |
| WARNING(unit_address_vs_reg, check_unit_address_vs_reg, NULL); |
| |
| static void check_property_name_chars(struct check *c, struct boot_info *bi, |
| struct node *node) |
| { |
| struct property *prop; |
| |
| for_each_property(node, 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); |
| } |
| } |
| ERROR(property_name_chars, check_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 boot_info *bi, |
| const char *label, struct node *node, |
| struct property *prop, struct marker *mark) |
| { |
| struct node *dt = bi->dt; |
| 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 boot_info *bi, |
| struct node *node) |
| { |
| struct label *l; |
| struct property *prop; |
| |
| for_each_label(node->labels, l) |
| check_duplicate_label(c, bi, l->label, node, NULL, NULL); |
| |
| for_each_property(node, prop) { |
| struct marker *m = prop->val.markers; |
| |
| for_each_label(prop->labels, l) |
| check_duplicate_label(c, bi, l->label, node, prop, NULL); |
| |
| for_each_marker_of_type(m, LABEL) |
| check_duplicate_label(c, bi, m->ref, node, prop, m); |
| } |
| } |
| ERROR(duplicate_label, check_duplicate_label_node, NULL); |
| |
| static cell_t check_phandle_prop(struct check *c, struct boot_info *bi, |
| struct node *node, const char *propname) |
| { |
| struct node *root = bi->dt; |
| struct property *prop; |
| struct marker *m; |
| cell_t phandle; |
| |
| prop = get_property(node, propname); |
| if (!prop) |
| return 0; |
| |
| if (prop->val.len != sizeof(cell_t)) { |
| FAIL(c, "%s has bad length (%d) %s property", |
| node->fullpath, prop->val.len, prop->name); |
| return 0; |
| } |
| |
| 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); |
| } |
| /* 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 |
| * we treat it as having no phandle data for now. */ |
| return 0; |
| } |
| |
| 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 0; |
| } |
| |
| return phandle; |
| } |
| |
| static void check_explicit_phandles(struct check *c, struct boot_info *bi, |
| struct node *node) |
| { |
| struct node *root = bi->dt; |
| struct node *other; |
| cell_t phandle, linux_phandle; |
| |
| /* Nothing should have assigned phandles yet */ |
| assert(!node->phandle); |
| |
| phandle = check_phandle_prop(c, bi, node, "phandle"); |
| |
| linux_phandle = check_phandle_prop(c, bi, node, "linux,phandle"); |
| |
| if (!phandle && !linux_phandle) |
| /* No valid phandles; nothing further to check */ |
| return; |
| |
| if (linux_phandle && phandle && (phandle != linux_phandle)) |
| FAIL(c, "%s has mismatching 'phandle' and 'linux,phandle'" |
| " properties", node->fullpath); |
| |
| if (linux_phandle && !phandle) |
| phandle = linux_phandle; |
| |
| 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; |
| } |
| ERROR(explicit_phandles, check_explicit_phandles, NULL); |
| |
| static void check_name_properties(struct check *c, struct boot_info *bi, |
| 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"); |
| ERROR(name_properties, check_name_properties, NULL, &name_is_string); |
| |
| /* |
| * Reference fixup functions |
| */ |
| |
| static void fixup_phandle_references(struct check *c, struct boot_info *bi, |
| struct node *node) |
| { |
| struct node *dt = bi->dt; |
| struct property *prop; |
| |
| for_each_property(node, 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, fixup_phandle_references, NULL, |
| &duplicate_node_names, &explicit_phandles); |
| |
| static void fixup_path_references(struct check *c, struct boot_info *bi, |
| struct node *node) |
| { |
| struct node *dt = bi->dt; |
| struct property *prop; |
| |
| for_each_property(node, 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, 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 boot_info *bi, |
| 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, fixup_addr_size_cells, 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 boot_info *bi, |
| 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 (!entrylen || (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); |
| } |
| WARNING(reg_format, check_reg_format, NULL, &addr_size_cells); |
| |
| static void check_ranges_format(struct check *c, struct boot_info *bi, |
| 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); |
| } |
| } |
| WARNING(ranges_format, check_ranges_format, NULL, &addr_size_cells); |
| |
| /* |
| * Style checks |
| */ |
| static void check_avoid_default_addr_size(struct check *c, struct boot_info *bi, |
| 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); |
| } |
| WARNING(avoid_default_addr_size, check_avoid_default_addr_size, NULL, |
| &addr_size_cells); |
| |
| static void check_obsolete_chosen_interrupt_controller(struct check *c, |
| struct boot_info *bi, |
| struct node *node) |
| { |
| struct node *dt = bi->dt; |
| struct node *chosen; |
| struct property *prop; |
| |
| if (node != dt) |
| return; |
| |
| |
| 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"); |
| } |
| WARNING(obsolete_chosen_interrupt_controller, |
| check_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, ®_format, &ranges_format, |
| |
| &unit_address_vs_reg, |
| |
| &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 *arg) |
| { |
| int i; |
| const char *name = arg; |
| bool enable = true; |
| |
| if ((strncmp(arg, "no-", 3) == 0) |
| || (strncmp(arg, "no_", 3) == 0)) { |
| name = arg + 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(bool force, struct boot_info *bi) |
| { |
| 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, bi); |
| } |
| |
| 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"); |
| } |
| } |
| } |