diff options
Diffstat (limited to 'arch/powerpc/boot/dtc-src/livetree.c')
-rw-r--r-- | arch/powerpc/boot/dtc-src/livetree.c | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/arch/powerpc/boot/dtc-src/livetree.c b/arch/powerpc/boot/dtc-src/livetree.c deleted file mode 100644 index 0ca3de5..0000000 --- a/arch/powerpc/boot/dtc-src/livetree.c +++ /dev/null @@ -1,308 +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 - */ - -struct property *build_property(char *name, struct data val, char *label) -{ - struct property *new = xmalloc(sizeof(*new)); - - new->name = name; - new->val = val; - - new->next = NULL; - - new->label = label; - - 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 *name_node(struct node *node, char *name, char * label) -{ - assert(node->name == NULL); - - node->name = name; - - node->label = label; - - return 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 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; -} - -struct reserve_info *build_reserve_entry(uint64_t address, uint64_t size, - char *label) -{ - struct reserve_info *new = xmalloc(sizeof(*new)); - - new->re.address = address; - new->re.size = size; - - new->next = NULL; - - new->label = label; - - 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 boot_info *build_boot_info(struct reserve_info *reservelist, - struct node *tree, uint32_t boot_cpuid_phys) -{ - struct boot_info *bi; - - bi = xmalloc(sizeof(*bi)); - bi->reservelist = reservelist; - bi->dt = tree; - bi->boot_cpuid_phys = boot_cpuid_phys; - - return bi; -} - -/* - * 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 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)) - 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; - - assert(label && (strlen(label) > 0)); - - if (tree->label && streq(tree->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) - 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 (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; - - assert(! get_property(node, "linux,phandle")); - - while (get_node_by_phandle(root, phandle)) - phandle++; - - node->phandle = phandle; - add_property(node, - build_property("linux,phandle", - data_append_cell(empty_data, phandle), - NULL)); - - return node->phandle; -} |