Lines Matching refs:fdt
39 static int fdt_find_and_del_mem_rsv(void *fdt, unsigned long start, unsigned long size) in fdt_find_and_del_mem_rsv() argument
41 int i, ret, num_rsvs = fdt_num_mem_rsv(fdt); in fdt_find_and_del_mem_rsv()
46 ret = fdt_get_mem_rsv(fdt, i, &rsv_start, &rsv_size); in fdt_find_and_del_mem_rsv()
53 ret = fdt_del_mem_rsv(fdt, i); in fdt_find_and_del_mem_rsv()
186 static void remove_ima_buffer(void *fdt, int chosen_node) in remove_ima_buffer() argument
196 prop = fdt_getprop(fdt, chosen_node, "linux,ima-kexec-buffer", &len); in remove_ima_buffer()
201 fdt_delprop(fdt, chosen_node, "linux,ima-kexec-buffer"); in remove_ima_buffer()
205 ret = fdt_find_and_del_mem_rsv(fdt, addr, size); in remove_ima_buffer()
219 static int setup_ima_buffer(const struct kimage *image, void *fdt, in setup_ima_buffer() argument
227 ret = fdt_appendprop_addrrange(fdt, 0, chosen_node, in setup_ima_buffer()
234 ret = fdt_add_mem_rsv(fdt, image->ima_buffer_addr, in setup_ima_buffer()
245 static inline int setup_ima_buffer(const struct kimage *image, void *fdt, in setup_ima_buffer() argument
269 void *fdt; in of_kexec_alloc_and_setup_fdt() local
278 fdt = kvmalloc(fdt_size, GFP_KERNEL); in of_kexec_alloc_and_setup_fdt()
279 if (!fdt) in of_kexec_alloc_and_setup_fdt()
282 ret = fdt_open_into(initial_boot_params, fdt, fdt_size); in of_kexec_alloc_and_setup_fdt()
289 ret = fdt_find_and_del_mem_rsv(fdt, __pa(initial_boot_params), in of_kexec_alloc_and_setup_fdt()
296 chosen_node = fdt_path_offset(fdt, "/chosen"); in of_kexec_alloc_and_setup_fdt()
298 chosen_node = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), in of_kexec_alloc_and_setup_fdt()
305 ret = fdt_delprop(fdt, chosen_node, "linux,elfcorehdr"); in of_kexec_alloc_and_setup_fdt()
308 ret = fdt_delprop(fdt, chosen_node, "linux,usable-memory-range"); in of_kexec_alloc_and_setup_fdt()
313 prop = fdt_getprop(fdt, chosen_node, "linux,initrd-start", NULL); in of_kexec_alloc_and_setup_fdt()
319 prop = fdt_getprop(fdt, chosen_node, "linux,initrd-end", NULL); in of_kexec_alloc_and_setup_fdt()
332 ret = fdt_find_and_del_mem_rsv(fdt, tmp_start, tmp_size); in of_kexec_alloc_and_setup_fdt()
334 ret = fdt_find_and_del_mem_rsv(fdt, tmp_start, in of_kexec_alloc_and_setup_fdt()
342 ret = fdt_setprop_u64(fdt, chosen_node, "linux,initrd-start", in of_kexec_alloc_and_setup_fdt()
347 ret = fdt_setprop_u64(fdt, chosen_node, "linux,initrd-end", in of_kexec_alloc_and_setup_fdt()
352 ret = fdt_add_mem_rsv(fdt, initrd_load_addr, initrd_len); in of_kexec_alloc_and_setup_fdt()
357 ret = fdt_delprop(fdt, chosen_node, "linux,initrd-start"); in of_kexec_alloc_and_setup_fdt()
361 ret = fdt_delprop(fdt, chosen_node, "linux,initrd-end"); in of_kexec_alloc_and_setup_fdt()
368 ret = fdt_appendprop_addrrange(fdt, 0, chosen_node, in of_kexec_alloc_and_setup_fdt()
378 ret = fdt_add_mem_rsv(fdt, image->elf_load_addr, in of_kexec_alloc_and_setup_fdt()
384 ret = fdt_appendprop_addrrange(fdt, 0, chosen_node, in of_kexec_alloc_and_setup_fdt()
393 ret = fdt_setprop_string(fdt, chosen_node, "bootargs", cmdline); in of_kexec_alloc_and_setup_fdt()
397 ret = fdt_delprop(fdt, chosen_node, "bootargs"); in of_kexec_alloc_and_setup_fdt()
403 ret = fdt_delprop(fdt, chosen_node, "kaslr-seed"); in of_kexec_alloc_and_setup_fdt()
412 ret = fdt_setprop_u64(fdt, chosen_node, "kaslr-seed", seed); in of_kexec_alloc_and_setup_fdt()
424 ret = fdt_setprop_placeholder(fdt, chosen_node, "rng-seed", in of_kexec_alloc_and_setup_fdt()
434 ret = fdt_setprop(fdt, chosen_node, "linux,booted-from-kexec", NULL, 0); in of_kexec_alloc_and_setup_fdt()
438 remove_ima_buffer(fdt, chosen_node); in of_kexec_alloc_and_setup_fdt()
439 ret = setup_ima_buffer(image, fdt, fdt_path_offset(fdt, "/chosen")); in of_kexec_alloc_and_setup_fdt()
443 kvfree(fdt); in of_kexec_alloc_and_setup_fdt()
444 fdt = NULL; in of_kexec_alloc_and_setup_fdt()
447 return fdt; in of_kexec_alloc_and_setup_fdt()