diff options
Diffstat (limited to 'libfdt/fdt_wip.c')
| -rw-r--r-- | libfdt/fdt_wip.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libfdt/fdt_wip.c b/libfdt/fdt_wip.c index 261b9b0..cf81183 100644 --- a/libfdt/fdt_wip.c +++ b/libfdt/fdt_wip.c @@ -110,3 +110,29 @@ int fdt_nop_node(void *fdt, int nodeoffset) nop_region(fdt_offset_ptr(fdt, nodeoffset, 0), endoffset - nodeoffset); return 0; } + +/* + * Replace a reserve map entry in the nth slot. + */ +int fdt_replace_reservemap_entry(void *fdt, int n, uint64_t addr, uint64_t size) +{ + struct fdt_reserve_entry *re; + int used; + int total; + int err; + + err = fdt_num_reservemap(fdt, &used, &total); + if (err != 0) + return err; + + if (n >= total) + return -FDT_ERR_NOSPACE; + re = (struct fdt_reserve_entry *) + (fdt + fdt_off_mem_rsvmap(fdt) + + (n * sizeof(struct fdt_reserve_entry))); + re->address = cpu_to_fdt64(addr); + re->size = cpu_to_fdt64(size); + + return 0; +} + |