uint32_t qemu_devtree_getprop_cell(void *fdt, const char *node_path,
const char *property)
{
int len;
const uint32_t *p = qemu_devtree_getprop(fdt, node_path, property, &len);
if (len != 4) {
fprintf(stderr, "%s: %s/%s not 4 bytes long (not a cell?)\n",
__func__, node_path, property);
exit(1);
}
return be32_to_cpu(*p);
}
static void fdt_init_node(void *args)
{
struct FDTInitNodeArgs *a = args;
char *node_path = a->node_path;
FDTMachineInfo *fdti = a->fdti;
g_free(a);
char *all_compats = NULL, *compat, *node_name, *next_compat;
int compat_len;
#ifdef FDT_GENERIC_UTIL_ERR_DEBUG
static int entry_index;
int this_entry = entry_index++;
#endif
DB_PRINT("enter %d %s\n", this_entry, node_path);
/* try instance binding first */
node_name = qemu_devtree_get_node_name(fdti->fdt, node_path);
if (!node_name) {
fprintf(stderr, "FDT: ERROR: nameless node: %s\n", node_path);
}
if (!fdt_init_inst_bind(node_path, fdti, node_name)) {
goto exit;
}
/* fallback to compatibility binding */
all_compats = qemu_devtree_getprop(fdti->fdt, node_path,
"compatible", &compat_len, false, NULL);
if (!all_compats) {
fprintf(stderr, "FDT: ERROR: no compatibility found for node %s/%s\n", node_path,
node_name);
DB_PRINT("exit %d\n", this_entry);
fdti->routinesPending--;
return;
}
compat = all_compats;
try_next_compat:
if (compat_len == 0) {
goto invalidate;
}
if (!fdt_init_compat(node_path, fdti, compat)) {
goto exit;
}
if (!fdt_init_qdev(node_path, fdti, compat)) {
goto exit;
}
next_compat = rawmemchr(compat, '\0');
compat_len -= (next_compat + 1 - compat);
if (compat_len > 0) {
*next_compat = ' ';
}
compat = next_compat+1;
goto try_next_compat;
invalidate:
fprintf(stderr, "FDT: Unsupported peripheral invalidated %s compatibilities %s\n",
node_name, all_compats);
qemu_devtree_setprop_string(fdti->fdt, node_path, "compatible",
"invalidated");
exit:
DB_PRINT("exit %d\n", this_entry);
if (!fdt_init_has_opaque(fdti, node_path)) {
fdt_init_set_opaque(fdti, node_path, NULL);
}
g_free(node_path);
g_free(all_compats);
fdti->routinesPending--;
return;
}
