Revision f0aa713f
| b/device_tree.c | ||
|---|---|---|
| 178 | 178 |
return r; |
| 179 | 179 |
} |
| 180 | 180 |
|
| 181 |
const void *qemu_devtree_getprop(void *fdt, const char *node_path, |
|
| 182 |
const char *property, int *lenp) |
|
| 183 |
{
|
|
| 184 |
int len; |
|
| 185 |
const void *r; |
|
| 186 |
if (!lenp) {
|
|
| 187 |
lenp = &len; |
|
| 188 |
} |
|
| 189 |
r = fdt_getprop(fdt, findnode_nofail(fdt, node_path), property, lenp); |
|
| 190 |
if (!r) {
|
|
| 191 |
fprintf(stderr, "%s: Couldn't get %s/%s: %s\n", __func__, |
|
| 192 |
node_path, property, fdt_strerror(*lenp)); |
|
| 193 |
exit(1); |
|
| 194 |
} |
|
| 195 |
return r; |
|
| 196 |
} |
|
| 197 |
|
|
| 198 |
uint32_t qemu_devtree_getprop_cell(void *fdt, const char *node_path, |
|
| 199 |
const char *property) |
|
| 200 |
{
|
|
| 201 |
int len; |
|
| 202 |
const uint32_t *p = qemu_devtree_getprop(fdt, node_path, property, &len); |
|
| 203 |
if (len != 4) {
|
|
| 204 |
fprintf(stderr, "%s: %s/%s not 4 bytes long (not a cell?)\n", |
|
| 205 |
__func__, node_path, property); |
|
| 206 |
exit(1); |
|
| 207 |
} |
|
| 208 |
return be32_to_cpu(*p); |
|
| 209 |
} |
|
| 210 |
|
|
| 181 | 211 |
uint32_t qemu_devtree_get_phandle(void *fdt, const char *path) |
| 182 | 212 |
{
|
| 183 | 213 |
uint32_t r; |
| b/device_tree.h | ||
|---|---|---|
| 28 | 28 |
int qemu_devtree_setprop_phandle(void *fdt, const char *node_path, |
| 29 | 29 |
const char *property, |
| 30 | 30 |
const char *target_node_path); |
| 31 |
const void *qemu_devtree_getprop(void *fdt, const char *node_path, |
|
| 32 |
const char *property, int *lenp); |
|
| 33 |
uint32_t qemu_devtree_getprop_cell(void *fdt, const char *node_path, |
|
| 34 |
const char *property); |
|
| 31 | 35 |
uint32_t qemu_devtree_get_phandle(void *fdt, const char *path); |
| 32 | 36 |
uint32_t qemu_devtree_alloc_phandle(void *fdt); |
| 33 | 37 |
int qemu_devtree_nop_node(void *fdt, const char *node_path); |
Also available in: Unified diff