WebSVN – HelenOS – Diff – /branches/sparc/kernel/genarch/src/ofw/ofw_tree.c



/** Get OpenFirmware node property.
 *
 * @param node      Node in which to lookup the property.
 * @param name      Name of the property.
 *
 * @return      Pointer to the property structure or NULL if no such
 *          property.
 */
ofw_tree_property_t *
ofw_tree_getprop(const ofw_tree_node_t *node, const char *name)
{
    unsigned int i;
   
    for (i = 0; i < node->properties; i++) {
        if (strcmp(node->property[i].name, name) == 0)

/** Lookup child of given name.
 *
 * @param node      Node whose child is being looked up.
 * @param name      Name of the child being looked up.
 *
 * @return      NULL if there is no such child or pointer to the
 *          matching child node.
 */
ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name)
{
    ofw_tree_node_t *cur;
   

/** Lookup first child of given device type.
 *
 * @param node      Node whose child is being looked up.
 * @param name      Device type of the child being looked up.
 *
 * @return      NULL if there is no such child or pointer to the
 *          matching child node.
 */
ofw_tree_node_t *
ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *name)
{
    ofw_tree_node_t *cur;
    ofw_tree_property_t *prop;
   
    for (cur = node->child; cur; cur = cur->peer) {

 * are looked up iteratively to avoid stack overflow.
 *
 * @param root      Root of the searched subtree.
 * @param handle    OpenFirmware handle.
 *
 * @return      NULL if there is no such node or pointer to the matching
 *          node.
 */
ofw_tree_node_t *
ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle)
{
    ofw_tree_node_t *cur;
 
    for (cur = root; cur; cur = cur->peer) {       
        if (cur->node_handle == handle)

/** Lookup first peer of given device type.
 *
 * @param node      Node whose peer is being looked up.
 * @param name      Device type of the child being looked up.
 *
 * @return      NULL if there is no such child or pointer to the
 *          matching child node.
 */
ofw_tree_node_t *
ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *name)
{
    ofw_tree_node_t *cur;
    ofw_tree_property_t *prop;
   
    for (cur = node->peer; cur; cur = cur->peer) {

/** Lookup first peer of given name.
 *
 * @param node      Node whose peer is being looked up.
 * @param name      Name of the child being looked up.
 *
 * @return      NULL if there is no such peer or pointer to the matching
 *          peer node.
 */
ofw_tree_node_t *
ofw_tree_find_peer_by_name(ofw_tree_node_t *node, const char *name)
 
{
    ofw_tree_node_t *cur;
    ofw_tree_property_t *prop;
   
    for (cur = node->peer; cur; cur = cur->peer) {

 
/** Lookup OpenFirmware node by its path.
 *
 * @param path      Path to the node.
 *
 * @return      NULL if there is no such node or pointer to the leaf
 *          node.
 */
ofw_tree_node_t *ofw_tree_lookup(const char *path)
{
    char buf[NAME_BUF_LEN + 1];
    ofw_tree_node_t *node = ofw_root;

Rev 3618	Rev 3742
Line 55...	Line 55...
55	/** Get OpenFirmware node property.	55	/** Get OpenFirmware node property.
56	*	56	*
57	* @param node Node in which to lookup the property.	57	* @param node Node in which to lookup the property.
58	* @param name Name of the property.	58	* @param name Name of the property.
59	*	59	*
60	* @return Pointer to the property structure or NULL if no such property.	60	* @return Pointer to the property structure or NULL if no such
-		61	* property.
61	*/	62	*/
-		63	ofw_tree_property_t *
62	ofw_tree_property_t ofw_tree_getprop(const ofw_tree_node_t node, const char *name)	64	ofw_tree_getprop(const ofw_tree_node_t node, const char name)
63	{	65	{
64	unsigned int i;	66	unsigned int i;
65		67
66	for (i = 0; i < node->properties; i++) {	68	for (i = 0; i < node->properties; i++) {
67	if (strcmp(node->property[i].name, name) == 0)	69	if (strcmp(node->property[i].name, name) == 0)
Line 94...	Line 96...
94	/** Lookup child of given name.	96	/** Lookup child of given name.
95	*	97	*
96	* @param node Node whose child is being looked up.	98	* @param node Node whose child is being looked up.
97	* @param name Name of the child being looked up.	99	* @param name Name of the child being looked up.
98	*	100	*
99	* @return NULL if there is no such child or pointer to the matching child node.	101	* @return NULL if there is no such child or pointer to the
-		102	* matching child node.
100	*/	103	*/
101	ofw_tree_node_t ofw_tree_find_child(ofw_tree_node_t node, const char *name)	104	ofw_tree_node_t ofw_tree_find_child(ofw_tree_node_t node, const char *name)
102	{	105	{
103	ofw_tree_node_t *cur;	106	ofw_tree_node_t *cur;
104		107
Line 128...	Line 131...
128	/** Lookup first child of given device type.	131	/** Lookup first child of given device type.
129	*	132	*
130	* @param node Node whose child is being looked up.	133	* @param node Node whose child is being looked up.
131	* @param name Device type of the child being looked up.	134	* @param name Device type of the child being looked up.
132	*	135	*
133	* @return NULL if there is no such child or pointer to the matching child node.	136	* @return NULL if there is no such child or pointer to the
-		137	* matching child node.
134	*/	138	*/
-		139	ofw_tree_node_t *
135	ofw_tree_node_t ofw_tree_find_child_by_device_type(ofw_tree_node_t node, const char *name)	140	ofw_tree_find_child_by_device_type(ofw_tree_node_t node, const char name)
136	{	141	{
137	ofw_tree_node_t *cur;	142	ofw_tree_node_t *cur;
138	ofw_tree_property_t *prop;	143	ofw_tree_property_t *prop;
139		144
140	for (cur = node->child; cur; cur = cur->peer) {	145	for (cur = node->child; cur; cur = cur->peer) {
Line 154...	Line 159...
154	* are looked up iteratively to avoid stack overflow.	159	* are looked up iteratively to avoid stack overflow.
155	*	160	*
156	* @param root Root of the searched subtree.	161	* @param root Root of the searched subtree.
157	* @param handle OpenFirmware handle.	162	* @param handle OpenFirmware handle.
158	*	163	*
159	* @return NULL if there is no such node or pointer to the matching node.	164	* @return NULL if there is no such node or pointer to the matching
-		165	* node.
160	*/	166	*/
-		167	ofw_tree_node_t *
161	ofw_tree_node_t ofw_tree_find_node_by_handle(ofw_tree_node_t root, uint32_t handle)	168	ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle)
162	{	169	{
163	ofw_tree_node_t *cur;	170	ofw_tree_node_t *cur;
164		171
165	for (cur = root; cur; cur = cur->peer) {	172	for (cur = root; cur; cur = cur->peer) {
166	if (cur->node_handle == handle)	173	if (cur->node_handle == handle)
Line 181...	Line 188...
181	/** Lookup first peer of given device type.	188	/** Lookup first peer of given device type.
182	*	189	*
183	* @param node Node whose peer is being looked up.	190	* @param node Node whose peer is being looked up.
184	* @param name Device type of the child being looked up.	191	* @param name Device type of the child being looked up.
185	*	192	*
186	* @return NULL if there is no such child or pointer to the matching child node.	193	* @return NULL if there is no such child or pointer to the
-		194	* matching child node.
187	*/	195	*/
-		196	ofw_tree_node_t *
188	ofw_tree_node_t ofw_tree_find_peer_by_device_type(ofw_tree_node_t node, const char *name)	197	ofw_tree_find_peer_by_device_type(ofw_tree_node_t node, const char name)
189	{	198	{
190	ofw_tree_node_t *cur;	199	ofw_tree_node_t *cur;
191	ofw_tree_property_t *prop;	200	ofw_tree_property_t *prop;
192		201
193	for (cur = node->peer; cur; cur = cur->peer) {	202	for (cur = node->peer; cur; cur = cur->peer) {
Line 205...	Line 214...
205	/** Lookup first peer of given name.	214	/** Lookup first peer of given name.
206	*	215	*
207	* @param node Node whose peer is being looked up.	216	* @param node Node whose peer is being looked up.
208	* @param name Name of the child being looked up.	217	* @param name Name of the child being looked up.
209	*	218	*
210	* @return NULL if there is no such peer or pointer to the matching peer node.	219	* @return NULL if there is no such peer or pointer to the matching
-		220	* peer node.
211	*/	221	*/
-		222	ofw_tree_node_t *
212	ofw_tree_node_t ofw_tree_find_peer_by_name(ofw_tree_node_t node,	223	ofw_tree_find_peer_by_name(ofw_tree_node_t node, const char name)
213	const char *name)	-
214	{	224	{
215	ofw_tree_node_t *cur;	225	ofw_tree_node_t *cur;
216	ofw_tree_property_t *prop;	226	ofw_tree_property_t *prop;
217		227
218	for (cur = node->peer; cur; cur = cur->peer) {	228	for (cur = node->peer; cur; cur = cur->peer) {
Line 228...	Line 238...
228		238
229	/** Lookup OpenFirmware node by its path.	239	/** Lookup OpenFirmware node by its path.
230	*	240	*
231	* @param path Path to the node.	241	* @param path Path to the node.
232	*	242	*
233	* @return NULL if there is no such node or pointer to the leaf node.	243	* @return NULL if there is no such node or pointer to the leaf
-		244	* node.
234	*/	245	*/
235	ofw_tree_node_t ofw_tree_lookup(const char path)	246	ofw_tree_node_t ofw_tree_lookup(const char path)
236	{	247	{
237	char buf[NAME_BUF_LEN+1];	248	char buf[NAME_BUF_LEN + 1];
238	ofw_tree_node_t *node = ofw_root;	249	ofw_tree_node_t *node = ofw_root;

Subversion Repositories HelenOS

(root)/branches/sparc/kernel/genarch/src/ofw/ofw_tree.c – Rev 3618 → 3742