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-rw-r--r--contrib/dtc/livetree.c980
1 files changed, 0 insertions, 980 deletions
diff --git a/contrib/dtc/livetree.c b/contrib/dtc/livetree.c
deleted file mode 100644
index 36be9afefd53..000000000000
--- a/contrib/dtc/livetree.c
+++ /dev/null
@@ -1,980 +0,0 @@
-/*
- * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
- *
- *
- * 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"
-
-/*
- * Tree building functions
- */
-
-void add_label(struct label **labels, char *label)
-{
- struct label *new;
-
- /* Make sure the label isn't already there */
- for_each_label_withdel(*labels, new)
- if (streq(new->label, label)) {
- new->deleted = 0;
- return;
- }
-
- new = xmalloc(sizeof(*new));
- memset(new, 0, sizeof(*new));
- new->label = label;
- new->next = *labels;
- *labels = new;
-}
-
-void delete_labels(struct label **labels)
-{
- struct label *label;
-
- for_each_label(*labels, label)
- label->deleted = 1;
-}
-
-struct property *build_property(char *name, struct data val)
-{
- struct property *new = xmalloc(sizeof(*new));
-
- memset(new, 0, sizeof(*new));
-
- new->name = name;
- new->val = val;
-
- return new;
-}
-
-struct property *build_property_delete(char *name)
-{
- struct property *new = xmalloc(sizeof(*new));
-
- memset(new, 0, sizeof(*new));
-
- new->name = name;
- new->deleted = 1;
-
- return new;
-}
-
-struct property *chain_property(struct property *first, struct property *list)
-{
- assert(first->next == NULL);
-
- first->next = list;
- return first;
-}
-
-struct property *reverse_properties(struct property *first)
-{
- struct property *p = first;
- struct property *head = NULL;
- struct property *next;
-
- while (p) {
- next = p->next;
- p->next = head;
- head = p;
- p = next;
- }
- return head;
-}
-
-struct node *build_node(struct property *proplist, struct node *children)
-{
- struct node *new = xmalloc(sizeof(*new));
- struct node *child;
-
- memset(new, 0, sizeof(*new));
-
- new->proplist = reverse_properties(proplist);
- new->children = children;
-
- for_each_child(new, child) {
- child->parent = new;
- }
-
- return new;
-}
-
-struct node *build_node_delete(void)
-{
- struct node *new = xmalloc(sizeof(*new));
-
- memset(new, 0, sizeof(*new));
-
- new->deleted = 1;
-
- return new;
-}
-
-struct node *name_node(struct node *node, char *name)
-{
- assert(node->name == NULL);
-
- node->name = name;
-
- return node;
-}
-
-struct node *merge_nodes(struct node *old_node, struct node *new_node)
-{
- struct property *new_prop, *old_prop;
- struct node *new_child, *old_child;
- struct label *l;
-
- old_node->deleted = 0;
-
- /* Add new node labels to old node */
- for_each_label_withdel(new_node->labels, l)
- add_label(&old_node->labels, l->label);
-
- /* Move properties from the new node to the old node. If there
- * is a collision, replace the old value with the new */
- while (new_node->proplist) {
- /* Pop the property off the list */
- new_prop = new_node->proplist;
- new_node->proplist = new_prop->next;
- new_prop->next = NULL;
-
- if (new_prop->deleted) {
- delete_property_by_name(old_node, new_prop->name);
- free(new_prop);
- continue;
- }
-
- /* Look for a collision, set new value if there is */
- for_each_property_withdel(old_node, old_prop) {
- if (streq(old_prop->name, new_prop->name)) {
- /* Add new labels to old property */
- for_each_label_withdel(new_prop->labels, l)
- add_label(&old_prop->labels, l->label);
-
- old_prop->val = new_prop->val;
- old_prop->deleted = 0;
- free(new_prop);
- new_prop = NULL;
- break;
- }
- }
-
- /* if no collision occurred, add property to the old node. */
- if (new_prop)
- add_property(old_node, new_prop);
- }
-
- /* Move the override child nodes into the primary node. If
- * there is a collision, then merge the nodes. */
- while (new_node->children) {
- /* Pop the child node off the list */
- new_child = new_node->children;
- new_node->children = new_child->next_sibling;
- new_child->parent = NULL;
- new_child->next_sibling = NULL;
-
- if (new_child->deleted) {
- delete_node_by_name(old_node, new_child->name);
- free(new_child);
- continue;
- }
-
- /* Search for a collision. Merge if there is */
- for_each_child_withdel(old_node, old_child) {
- if (streq(old_child->name, new_child->name)) {
- merge_nodes(old_child, new_child);
- new_child = NULL;
- break;
- }
- }
-
- /* if no collision occurred, add child to the old node. */
- if (new_child)
- add_child(old_node, new_child);
- }
-
- /* The new node contents are now merged into the old node. Free
- * the new node. */
- free(new_node);
-
- return old_node;
-}
-
-struct node *chain_node(struct node *first, struct node *list)
-{
- assert(first->next_sibling == NULL);
-
- first->next_sibling = list;
- return first;
-}
-
-void add_property(struct node *node, struct property *prop)
-{
- struct property **p;
-
- prop->next = NULL;
-
- p = &node->proplist;
- while (*p)
- p = &((*p)->next);
-
- *p = prop;
-}
-
-void delete_property_by_name(struct node *node, char *name)
-{
- struct property *prop = node->proplist;
-
- while (prop) {
- if (streq(prop->name, name)) {
- delete_property(prop);
- return;
- }
- prop = prop->next;
- }
-}
-
-void delete_property(struct property *prop)
-{
- prop->deleted = 1;
- delete_labels(&prop->labels);
-}
-
-void add_child(struct node *parent, struct node *child)
-{
- struct node **p;
-
- child->next_sibling = NULL;
- child->parent = parent;
-
- p = &parent->children;
- while (*p)
- p = &((*p)->next_sibling);
-
- *p = child;
-}
-
-void delete_node_by_name(struct node *parent, char *name)
-{
- struct node *node = parent->children;
-
- while (node) {
- if (streq(node->name, name)) {
- delete_node(node);
- return;
- }
- node = node->next_sibling;
- }
-}
-
-void delete_node(struct node *node)
-{
- struct property *prop;
- struct node *child;
-
- node->deleted = 1;
- for_each_child(node, child)
- delete_node(child);
- for_each_property(node, prop)
- delete_property(prop);
- delete_labels(&node->labels);
-}
-
-void append_to_property(struct node *node,
- char *name, const void *data, int len)
-{
- struct data d;
- struct property *p;
-
- p = get_property(node, name);
- if (p) {
- d = data_append_data(p->val, data, len);
- p->val = d;
- } else {
- d = data_append_data(empty_data, data, len);
- p = build_property(name, d);
- add_property(node, p);
- }
-}
-
-struct reserve_info *build_reserve_entry(uint64_t address, uint64_t size)
-{
- struct reserve_info *new = xmalloc(sizeof(*new));
-
- memset(new, 0, sizeof(*new));
-
- new->re.address = address;
- new->re.size = size;
-
- return new;
-}
-
-struct reserve_info *chain_reserve_entry(struct reserve_info *first,
- struct reserve_info *list)
-{
- assert(first->next == NULL);
-
- first->next = list;
- return first;
-}
-
-struct reserve_info *add_reserve_entry(struct reserve_info *list,
- struct reserve_info *new)
-{
- struct reserve_info *last;
-
- new->next = NULL;
-
- if (! list)
- return new;
-
- for (last = list; last->next; last = last->next)
- ;
-
- last->next = new;
-
- return list;
-}
-
-struct dt_info *build_dt_info(unsigned int dtsflags,
- struct reserve_info *reservelist,
- struct node *tree, uint32_t boot_cpuid_phys)
-{
- struct dt_info *dti;
-
- dti = xmalloc(sizeof(*dti));
- dti->dtsflags = dtsflags;
- dti->reservelist = reservelist;
- dti->dt = tree;
- dti->boot_cpuid_phys = boot_cpuid_phys;
-
- return dti;
-}
-
-/*
- * Tree accessor functions
- */
-
-const char *get_unitname(struct node *node)
-{
- if (node->name[node->basenamelen] == '\0')
- return "";
- else
- return node->name + node->basenamelen + 1;
-}
-
-struct property *get_property(struct node *node, const char *propname)
-{
- struct property *prop;
-
- for_each_property(node, prop)
- if (streq(prop->name, propname))
- return prop;
-
- return NULL;
-}
-
-cell_t propval_cell(struct property *prop)
-{
- assert(prop->val.len == sizeof(cell_t));
- return fdt32_to_cpu(*((cell_t *)prop->val.val));
-}
-
-struct property *get_property_by_label(struct node *tree, const char *label,
- struct node **node)
-{
- struct property *prop;
- struct node *c;
-
- *node = tree;
-
- for_each_property(tree, prop) {
- struct label *l;
-
- for_each_label(prop->labels, l)
- if (streq(l->label, label))
- return prop;
- }
-
- for_each_child(tree, c) {
- prop = get_property_by_label(c, label, node);
- if (prop)
- return prop;
- }
-
- *node = NULL;
- return NULL;
-}
-
-struct marker *get_marker_label(struct node *tree, const char *label,
- struct node **node, struct property **prop)
-{
- struct marker *m;
- struct property *p;
- struct node *c;
-
- *node = tree;
-
- for_each_property(tree, p) {
- *prop = p;
- m = p->val.markers;
- for_each_marker_of_type(m, LABEL)
- if (streq(m->ref, label))
- return m;
- }
-
- for_each_child(tree, c) {
- m = get_marker_label(c, label, node, prop);
- if (m)
- return m;
- }
-
- *prop = NULL;
- *node = NULL;
- return NULL;
-}
-
-struct node *get_subnode(struct node *node, const char *nodename)
-{
- struct node *child;
-
- for_each_child(node, child)
- if (streq(child->name, nodename))
- return child;
-
- return NULL;
-}
-
-struct node *get_node_by_path(struct node *tree, const char *path)
-{
- const char *p;
- struct node *child;
-
- if (!path || ! (*path)) {
- if (tree->deleted)
- return NULL;
- return tree;
- }
-
- while (path[0] == '/')
- path++;
-
- p = strchr(path, '/');
-
- for_each_child(tree, child) {
- if (p && strneq(path, child->name, p-path))
- return get_node_by_path(child, p+1);
- else if (!p && streq(path, child->name))
- return child;
- }
-
- return NULL;
-}
-
-struct node *get_node_by_label(struct node *tree, const char *label)
-{
- struct node *child, *node;
- struct label *l;
-
- assert(label && (strlen(label) > 0));
-
- for_each_label(tree->labels, l)
- if (streq(l->label, label))
- return tree;
-
- for_each_child(tree, child) {
- node = get_node_by_label(child, label);
- if (node)
- return node;
- }
-
- return NULL;
-}
-
-struct node *get_node_by_phandle(struct node *tree, cell_t phandle)
-{
- struct node *child, *node;
-
- assert((phandle != 0) && (phandle != -1));
-
- if (tree->phandle == phandle) {
- if (tree->deleted)
- return NULL;
- return tree;
- }
-
- for_each_child(tree, child) {
- node = get_node_by_phandle(child, phandle);
- if (node)
- return node;
- }
-
- return NULL;
-}
-
-struct node *get_node_by_ref(struct node *tree, const char *ref)
-{
- if (streq(ref, "/"))
- return tree;
- else if (ref[0] == '/')
- return get_node_by_path(tree, ref);
- else
- return get_node_by_label(tree, ref);
-}
-
-cell_t get_node_phandle(struct node *root, struct node *node)
-{
- static cell_t phandle = 1; /* FIXME: ick, static local */
-
- if ((node->phandle != 0) && (node->phandle != -1))
- return node->phandle;
-
- while (get_node_by_phandle(root, phandle))
- phandle++;
-
- node->phandle = phandle;
-
- if (!get_property(node, "linux,phandle")
- && (phandle_format & PHANDLE_LEGACY))
- add_property(node,
- build_property("linux,phandle",
- data_append_cell(empty_data, phandle)));
-
- if (!get_property(node, "phandle")
- && (phandle_format & PHANDLE_EPAPR))
- add_property(node,
- build_property("phandle",
- data_append_cell(empty_data, phandle)));
-
- /* If the node *does* have a phandle property, we must
- * be dealing with a self-referencing phandle, which will be
- * fixed up momentarily in the caller */
-
- return node->phandle;
-}
-
-uint32_t guess_boot_cpuid(struct node *tree)
-{
- struct node *cpus, *bootcpu;
- struct property *reg;
-
- cpus = get_node_by_path(tree, "/cpus");
- if (!cpus)
- return 0;
-
-
- bootcpu = cpus->children;
- if (!bootcpu)
- return 0;
-
- reg = get_property(bootcpu, "reg");
- if (!reg || (reg->val.len != sizeof(uint32_t)))
- return 0;
-
- /* FIXME: Sanity check node? */
-
- return propval_cell(reg);
-}
-
-static int cmp_reserve_info(const void *ax, const void *bx)
-{
- const struct reserve_info *a, *b;
-
- a = *((const struct reserve_info * const *)ax);
- b = *((const struct reserve_info * const *)bx);
-
- if (a->re.address < b->re.address)
- return -1;
- else if (a->re.address > b->re.address)
- return 1;
- else if (a->re.size < b->re.size)
- return -1;
- else if (a->re.size > b->re.size)
- return 1;
- else
- return 0;
-}
-
-static void sort_reserve_entries(struct dt_info *dti)
-{
- struct reserve_info *ri, **tbl;
- int n = 0, i = 0;
-
- for (ri = dti->reservelist;
- ri;
- ri = ri->next)
- n++;
-
- if (n == 0)
- return;
-
- tbl = xmalloc(n * sizeof(*tbl));
-
- for (ri = dti->reservelist;
- ri;
- ri = ri->next)
- tbl[i++] = ri;
-
- qsort(tbl, n, sizeof(*tbl), cmp_reserve_info);
-
- dti->reservelist = tbl[0];
- for (i = 0; i < (n-1); i++)
- tbl[i]->next = tbl[i+1];
- tbl[n-1]->next = NULL;
-
- free(tbl);
-}
-
-static int cmp_prop(const void *ax, const void *bx)
-{
- const struct property *a, *b;
-
- a = *((const struct property * const *)ax);
- b = *((const struct property * const *)bx);
-
- return strcmp(a->name, b->name);
-}
-
-static void sort_properties(struct node *node)
-{
- int n = 0, i = 0;
- struct property *prop, **tbl;
-
- for_each_property_withdel(node, prop)
- n++;
-
- if (n == 0)
- return;
-
- tbl = xmalloc(n * sizeof(*tbl));
-
- for_each_property_withdel(node, prop)
- tbl[i++] = prop;
-
- qsort(tbl, n, sizeof(*tbl), cmp_prop);
-
- node->proplist = tbl[0];
- for (i = 0; i < (n-1); i++)
- tbl[i]->next = tbl[i+1];
- tbl[n-1]->next = NULL;
-
- free(tbl);
-}
-
-static int cmp_subnode(const void *ax, const void *bx)
-{
- const struct node *a, *b;
-
- a = *((const struct node * const *)ax);
- b = *((const struct node * const *)bx);
-
- return strcmp(a->name, b->name);
-}
-
-static void sort_subnodes(struct node *node)
-{
- int n = 0, i = 0;
- struct node *subnode, **tbl;
-
- for_each_child_withdel(node, subnode)
- n++;
-
- if (n == 0)
- return;
-
- tbl = xmalloc(n * sizeof(*tbl));
-
- for_each_child_withdel(node, subnode)
- tbl[i++] = subnode;
-
- qsort(tbl, n, sizeof(*tbl), cmp_subnode);
-
- node->children = tbl[0];
- for (i = 0; i < (n-1); i++)
- tbl[i]->next_sibling = tbl[i+1];
- tbl[n-1]->next_sibling = NULL;
-
- free(tbl);
-}
-
-static void sort_node(struct node *node)
-{
- struct node *c;
-
- sort_properties(node);
- sort_subnodes(node);
- for_each_child_withdel(node, c)
- sort_node(c);
-}
-
-void sort_tree(struct dt_info *dti)
-{
- sort_reserve_entries(dti);
- sort_node(dti->dt);
-}
-
-/* utility helper to avoid code duplication */
-static struct node *build_and_name_child_node(struct node *parent, char *name)
-{
- struct node *node;
-
- node = build_node(NULL, NULL);
- name_node(node, xstrdup(name));
- add_child(parent, node);
-
- return node;
-}
-
-static struct node *build_root_node(struct node *dt, char *name)
-{
- struct node *an;
-
- an = get_subnode(dt, name);
- if (!an)
- an = build_and_name_child_node(dt, name);
-
- if (!an)
- die("Could not build root node /%s\n", name);
-
- return an;
-}
-
-static bool any_label_tree(struct dt_info *dti, struct node *node)
-{
- struct node *c;
-
- if (node->labels)
- return true;
-
- for_each_child(node, c)
- if (any_label_tree(dti, c))
- return true;
-
- return false;
-}
-
-static void generate_label_tree_internal(struct dt_info *dti,
- struct node *an, struct node *node,
- bool allocph)
-{
- struct node *dt = dti->dt;
- struct node *c;
- struct property *p;
- struct label *l;
-
- /* if there are labels */
- if (node->labels) {
-
- /* now add the label in the node */
- for_each_label(node->labels, l) {
-
- /* check whether the label already exists */
- p = get_property(an, l->label);
- if (p) {
- fprintf(stderr, "WARNING: label %s already"
- " exists in /%s", l->label,
- an->name);
- continue;
- }
-
- /* insert it */
- p = build_property(l->label,
- data_copy_mem(node->fullpath,
- strlen(node->fullpath) + 1));
- add_property(an, p);
- }
-
- /* force allocation of a phandle for this node */
- if (allocph)
- (void)get_node_phandle(dt, node);
- }
-
- for_each_child(node, c)
- generate_label_tree_internal(dti, an, c, allocph);
-}
-
-static bool any_fixup_tree(struct dt_info *dti, struct node *node)
-{
- struct node *c;
- struct property *prop;
- struct marker *m;
-
- for_each_property(node, prop) {
- m = prop->val.markers;
- for_each_marker_of_type(m, REF_PHANDLE) {
- if (!get_node_by_ref(dti->dt, m->ref))
- return true;
- }
- }
-
- for_each_child(node, c) {
- if (any_fixup_tree(dti, c))
- return true;
- }
-
- return false;
-}
-
-static void add_fixup_entry(struct dt_info *dti, struct node *fn,
- struct node *node, struct property *prop,
- struct marker *m)
-{
- char *entry;
-
- /* m->ref can only be a REF_PHANDLE, but check anyway */
- assert(m->type == REF_PHANDLE);
-
- /* there shouldn't be any ':' in the arguments */
- if (strchr(node->fullpath, ':') || strchr(prop->name, ':'))
- die("arguments should not contain ':'\n");
-
- 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,
- struct node *fn,
- struct node *node)
-{
- struct node *dt = dti->dt;
- struct node *c;
- struct property *prop;
- struct marker *m;
- struct node *refnode;
-
- for_each_property(node, prop) {
- m = prop->val.markers;
- for_each_marker_of_type(m, REF_PHANDLE) {
- refnode = get_node_by_ref(dt, m->ref);
- if (!refnode)
- add_fixup_entry(dti, fn, node, prop, m);
- }
- }
-
- for_each_child(node, c)
- generate_fixups_tree_internal(dti, fn, c);
-}
-
-static bool any_local_fixup_tree(struct dt_info *dti, struct node *node)
-{
- struct node *c;
- struct property *prop;
- struct marker *m;
-
- for_each_property(node, prop) {
- m = prop->val.markers;
- for_each_marker_of_type(m, REF_PHANDLE) {
- if (get_node_by_ref(dti->dt, m->ref))
- return true;
- }
- }
-
- for_each_child(node, c) {
- if (any_local_fixup_tree(dti, c))
- return true;
- }
-
- return false;
-}
-
-static void add_local_fixup_entry(struct dt_info *dti,
- struct node *lfn, struct node *node,
- struct property *prop, struct marker *m,
- struct node *refnode)
-{
- struct node *wn, *nwn; /* local fixup node, walk node, new */
- uint32_t value_32;
- char **compp;
- int i, depth;
-
- /* walk back retreiving depth */
- depth = 0;
- for (wn = node; wn; wn = wn->parent)
- depth++;
-
- /* allocate name array */
- compp = xmalloc(sizeof(*compp) * depth);
-
- /* store names in the array */
- for (wn = node, i = depth - 1; wn; wn = wn->parent, i--)
- compp[i] = wn->name;
-
- /* walk the path components creating nodes if they don't exist */
- for (wn = lfn, i = 1; i < depth; i++, wn = nwn) {
- /* if no node exists, create it */
- nwn = get_subnode(wn, compp[i]);
- if (!nwn)
- nwn = build_and_name_child_node(wn, compp[i]);
- }
-
- free(compp);
-
- value_32 = cpu_to_fdt32(m->offset);
- append_to_property(wn, prop->name, &value_32, sizeof(value_32));
-}
-
-static void generate_local_fixups_tree_internal(struct dt_info *dti,
- struct node *lfn,
- struct node *node)
-{
- struct node *dt = dti->dt;
- struct node *c;
- struct property *prop;
- struct marker *m;
- struct node *refnode;
-
- for_each_property(node, prop) {
- m = prop->val.markers;
- for_each_marker_of_type(m, REF_PHANDLE) {
- refnode = get_node_by_ref(dt, m->ref);
- if (refnode)
- add_local_fixup_entry(dti, lfn, node, prop, m, refnode);
- }
- }
-
- for_each_child(node, c)
- generate_local_fixups_tree_internal(dti, lfn, c);
-}
-
-void generate_label_tree(struct dt_info *dti, char *name, bool allocph)
-{
- if (!any_label_tree(dti, dti->dt))
- return;
- generate_label_tree_internal(dti, build_root_node(dti->dt, name),
- dti->dt, allocph);
-}
-
-void generate_fixups_tree(struct dt_info *dti, char *name)
-{
- if (!any_fixup_tree(dti, dti->dt))
- return;
- generate_fixups_tree_internal(dti, build_root_node(dti->dt, name),
- dti->dt);
-}
-
-void generate_local_fixups_tree(struct dt_info *dti, char *name)
-{
- if (!any_local_fixup_tree(dti, dti->dt))
- return;
- generate_local_fixups_tree_internal(dti, build_root_node(dti->dt, name),
- dti->dt);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 11:17:48 +0000