int qemu_fdt_add_subnode(void *fdt, const char *name)
{
char *dupname = g_strdup(name);
char *basename = strrchr(dupname, '/');
int retval;
int parent = 0;
if (!basename) {
g_free(dupname);
return -1;
}
basename[0] = '\0';
basename++;
if (dupname[0]) {
parent = findnode_nofail(fdt, dupname);
}
retval = fdt_add_subnode(fdt, parent, basename);
if (retval < 0) {
error_report("FDT: Failed to create subnode %s: %s", name,
fdt_strerror(retval));
exit(1);
}
g_free(dupname);
return retval;
}
int qemu_fdt_nop_node(void *fdt, const char *node_path)
{
int r;
r = fdt_nop_node(fdt, findnode_nofail(fdt, node_path));
if (r < 0) {
error_report("%s: Couldn't nop node %s: %s", __func__, node_path,
fdt_strerror(r));
exit(1);
}
return r;
}
int qemu_devtree_nop_node(void *fdt, const char *node_path)
{
int r;
r = fdt_nop_node(fdt, findnode_nofail(fdt, node_path));
if (r < 0) {
fprintf(stderr, "%s: Couldn't nop node %s: %s\n", __func__, node_path,
fdt_strerror(r));
exit(1);
}
return r;
}
uint32_t qemu_fdt_get_phandle(void *fdt, const char *path)
{
uint32_t r;
r = fdt_get_phandle(fdt, findnode_nofail(fdt, path));
if (r == 0) {
error_report("%s: Couldn't get phandle for %s: %s", __func__,
path, fdt_strerror(r));
exit(1);
}
return r;
}
uint32_t qemu_devtree_get_phandle(void *fdt, const char *path)
{
uint32_t r;
r = fdt_get_phandle(fdt, findnode_nofail(fdt, path));
if (r == 0) {
fprintf(stderr, "%s: Couldn't get phandle for %s: %s\n", __func__,
path, fdt_strerror(r));
exit(1);
}
return r;
}
int qemu_fdt_setprop_string(void *fdt, const char *node_path,
const char *property, const char *string)
{
int r;
r = fdt_setprop_string(fdt, findnode_nofail(fdt, node_path), property, string);
if (r < 0) {
error_report("%s: Couldn't set %s/%s = %s: %s", __func__,
node_path, property, string, fdt_strerror(r));
exit(1);
}
return r;
}
int qemu_fdt_setprop_cell(void *fdt, const char *node_path,
const char *property, uint32_t val)
{
int r;
r = fdt_setprop_cell(fdt, findnode_nofail(fdt, node_path), property, val);
if (r < 0) {
error_report("%s: Couldn't set %s/%s = %#08x: %s", __func__,
node_path, property, val, fdt_strerror(r));
exit(1);
}
return r;
}
int qemu_fdt_setprop(void *fdt, const char *node_path,
const char *property, const void *val, int size)
{
int r;
r = fdt_setprop(fdt, findnode_nofail(fdt, node_path), property, val, size);
if (r < 0) {
error_report("%s: Couldn't set %s/%s: %s", __func__, node_path,
property, fdt_strerror(r));
exit(1);
}
return r;
}
int qemu_devtree_setprop(void *fdt, const char *node_path,
const char *property, const void *val_array, int size)
{
int r;
r = fdt_setprop(fdt, findnode_nofail(fdt, node_path), property, val_array, size);
if (r < 0) {
fprintf(stderr, "%s: Couldn't set %s/%s: %s\n", __func__, node_path,
property, fdt_strerror(r));
exit(1);
}
return r;
}
const void *qemu_fdt_getprop(void *fdt, const char *node_path,
const char *property, int *lenp, Error **errp)
{
int len;
const void *r;
if (!lenp) {
lenp = &len;
}
r = fdt_getprop(fdt, findnode_nofail(fdt, node_path), property, lenp);
if (!r) {
error_setg(errp, "%s: Couldn't get %s/%s: %s", __func__,
node_path, property, fdt_strerror(*lenp));
}
return r;
}
const void *qemu_devtree_getprop(void *fdt, const char *node_path,
const char *property, int *lenp)
{
int len;
const void *r;
if (!lenp) {
lenp = &len;
}
r = fdt_getprop(fdt, findnode_nofail(fdt, node_path), property, lenp);
if (!r) {
fprintf(stderr, "%s: Couldn't get %s/%s: %s\n", __func__,
node_path, property, fdt_strerror(*lenp));
exit(1);
}
return r;
}
