FDTMachineInfo *fdt_generic_create_machine(void *fdt, qemu_irq *cpu_irq)
{
char node_path[DT_PATH_LENGTH];
FDTMachineInfo *fdti = fdt_init_new_fdti(fdt);
fdti->irq_base = cpu_irq;
/* parse the device tree */
if (!qemu_devtree_get_root_node(fdt, node_path)) {
memory_region_transaction_begin();
fdt_init_set_opaque(fdti, node_path, NULL);
simple_bus_fdt_init(node_path, fdti);
while (qemu_co_enter_next(fdti->cq));
fdt_init_all_irqs(fdti);
memory_region_transaction_commit();
} else {
fprintf(stderr, "FDT: ERROR: cannot get root node from device tree %s\n"
, node_path);
}
DB_PRINT(0, "FDT: Device tree scan complete\n");
FDTMachineInfo *ret = g_malloc0(sizeof(*ret));
return fdti;
}
FDTMachineInfo *fdt_generic_create_machine(void *fdt, qemu_irq cpu_irq)
{
char node_path[DT_PATH_LENGTH];
FDTMachineInfo *fdti = fdt_init_new_fdti(fdt);
fdti->irq_base = cpu_irq;
/* bind any force bound instances */
fdt_force_bind_all(fdti);
/* parse the device tree */
if (!qemu_fdt_get_root_node(fdt, node_path)) {
simple_bus_fdt_init(node_path, fdti, NULL);
while (qemu_co_enter_next(fdti->cq));
} else {
fprintf(stderr, "FDT: ERROR: cannot get root node from device tree %s\n"
, node_path);
}
DB_PRINT("FDT: Device tree scan complete\n");
FDTMachineInfo *ret = g_malloc0(sizeof(*ret));
return fdti;
}
static void fdt_init_node(void *args)
{
struct FDTInitNodeArgs *a = args;
char *node_path = a->node_path;
FDTMachineInfo *fdti = a->fdti;
g_free(a);
simple_bus_fdt_init(node_path, fdti);
char *all_compats = NULL, *compat, *node_name, *next_compat, *device_type;
int compat_len;
DB_PRINT_NP(1, "enter\n");
/* try instance binding first */
node_name = qemu_devtree_get_node_name(fdti->fdt, node_path);
DB_PRINT_NP(1, "node with name: %s\n", node_name ? node_name : "(none)");
if (!node_name) {
printf("FDT: ERROR: nameless node: %s\n", node_path);
}
if (!fdt_init_inst_bind(node_path, fdti, node_name)) {
DB_PRINT_NP(0, "instance bind successful\n");
goto exit;
}
/* fallback to compatibility binding */
all_compats = qemu_fdt_getprop(fdti->fdt, node_path, "compatible",
&compat_len, false, NULL);
if (!all_compats) {
DB_PRINT_NP(0, "no compatibility found\n");
}
for (compat = all_compats; compat && compat_len; compat = next_compat+1) {
char *compat_prefixed = g_strdup_printf("compatible:%s", compat);
if (!fdt_init_compat(node_path, fdti, compat_prefixed)) {
goto exit;
}
g_free(compat_prefixed);
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 = ' ';
}
}
device_type = qemu_fdt_getprop(fdti->fdt, node_path,
"device_type", NULL, false, NULL);
device_type = g_strdup_printf("device_type:%s", device_type);
if (!fdt_init_compat(node_path, fdti, device_type)) {
goto exit;
}
if (!all_compats) {
goto exit;
}
DB_PRINT_NP(0, "FDT: Unsupported peripheral invalidated - "
"compatibilities %s\n", all_compats);
qemu_fdt_setprop_string(fdti->fdt, node_path, "compatible", "invalidated");
exit:
DB_PRINT_NP(1, "exit\n");
if (!fdt_init_has_opaque(fdti, node_path)) {
fdt_init_set_opaque(fdti, node_path, NULL);
}
g_free(node_path);
g_free(all_compats);
return;
}
