37 static void free_transition_pgtable(struct kimage *image)  in free_transition_pgtable()  argument
39 	free_page((unsigned long)image->arch.pud);  in free_transition_pgtable()
40 	free_page((unsigned long)image->arch.pmd);  in free_transition_pgtable()
41 	free_page((unsigned long)image->arch.pte);  in free_transition_pgtable()
44 static int init_transition_pgtable(struct kimage *image, pgd_t *pgd)  in init_transition_pgtable()  argument
53 	paddr = __pa(page_address(image->control_code_page)+PAGE_SIZE);  in init_transition_pgtable()
59 		image->arch.pud = pud;  in init_transition_pgtable()
67 		image->arch.pmd = pmd;  in init_transition_pgtable()
75 		image->arch.pte = pte;  in init_transition_pgtable()
82 	free_transition_pgtable(image);  in init_transition_pgtable()
88 	struct kimage *image = (struct kimage *)data;  in alloc_pgt_page()  local
92 	page = kimage_alloc_control_pages(image, 0);  in alloc_pgt_page()
101 static int init_pgtable(struct kimage *image, unsigned long start_pgtable)  in init_pgtable()  argument
105 		.context	= image,  in init_pgtable()
131 	for (i = 0; i < image->nr_segments; i++) {  in init_pgtable()
132 		mstart = image->segment[i].mem;  in init_pgtable()
133 		mend   = mstart + image->segment[i].memsz;  in init_pgtable()
142 	return init_transition_pgtable(image, level4p);  in init_pgtable()
188 static int arch_update_purgatory(struct kimage *image)  in arch_update_purgatory()  argument
192 	if (!image->file_mode)  in arch_update_purgatory()
196 	if (image->type == KEXEC_TYPE_CRASH) {  in arch_update_purgatory()
197 		ret = kexec_purgatory_get_set_symbol(image, "backup_dest",  in arch_update_purgatory()
198 				&image->arch.backup_load_addr,  in arch_update_purgatory()
199 				sizeof(image->arch.backup_load_addr), 0);  in arch_update_purgatory()
203 		ret = kexec_purgatory_get_set_symbol(image, "backup_src",  in arch_update_purgatory()
204 				&image->arch.backup_src_start,  in arch_update_purgatory()
205 				sizeof(image->arch.backup_src_start), 0);  in arch_update_purgatory()
209 		ret = kexec_purgatory_get_set_symbol(image, "backup_sz",  in arch_update_purgatory()
210 				&image->arch.backup_src_sz,  in arch_update_purgatory()
211 				sizeof(image->arch.backup_src_sz), 0);  in arch_update_purgatory()
219 static inline int arch_update_purgatory(struct kimage *image)  in arch_update_purgatory()  argument
225 int machine_kexec_prepare(struct kimage *image)  in machine_kexec_prepare()  argument
231 	start_pgtable = page_to_pfn(image->control_code_page) << PAGE_SHIFT;  in machine_kexec_prepare()
234 	result = init_pgtable(image, start_pgtable);  in machine_kexec_prepare()
239 	result = arch_update_purgatory(image);  in machine_kexec_prepare()
246 void machine_kexec_cleanup(struct kimage *image)  in machine_kexec_cleanup()  argument
248 	free_transition_pgtable(image);  in machine_kexec_cleanup()
255 void machine_kexec(struct kimage *image)  in machine_kexec()  argument
262 	if (image->preserve_context)  in machine_kexec()
272 	if (image->preserve_context) {  in machine_kexec()
285 	control_page = page_address(image->control_code_page) + PAGE_SIZE;  in machine_kexec()
291 	  (unsigned long)__pa(page_address(image->control_code_page));  in machine_kexec()
293 	if (image->type == KEXEC_TYPE_DEFAULT)  in machine_kexec()
294 		page_list[PA_SWAP_PAGE] = (page_to_pfn(image->swap_page)  in machine_kexec()
316 	image->start = relocate_kernel((unsigned long)image->head,  in machine_kexec()
318 				       image->start,  in machine_kexec()
319 				       image->preserve_context);  in machine_kexec()
322 	if (image->preserve_context)  in machine_kexec()
345 int arch_kexec_kernel_image_probe(struct kimage *image, void *buf,  in arch_kexec_kernel_image_probe()  argument
358 			image->fops = fops;  in arch_kexec_kernel_image_probe()
366 void *arch_kexec_kernel_image_load(struct kimage *image)  in arch_kexec_kernel_image_load()  argument
368 	vfree(image->arch.elf_headers);  in arch_kexec_kernel_image_load()
369 	image->arch.elf_headers = NULL;  in arch_kexec_kernel_image_load()
371 	if (!image->fops || !image->fops->load)  in arch_kexec_kernel_image_load()
374 	return image->fops->load(image, image->kernel_buf,  in arch_kexec_kernel_image_load()
375 				 image->kernel_buf_len, image->initrd_buf,  in arch_kexec_kernel_image_load()
376 				 image->initrd_buf_len, image->cmdline_buf,  in arch_kexec_kernel_image_load()
377 				 image->cmdline_buf_len);  in arch_kexec_kernel_image_load()
380 int arch_kimage_file_post_load_cleanup(struct kimage *image)  in arch_kimage_file_post_load_cleanup()  argument
382 	if (!image->fops || !image->fops->cleanup)  in arch_kimage_file_post_load_cleanup()
385 	return image->fops->cleanup(image->image_loader_data);  in arch_kimage_file_post_load_cleanup()
388 int arch_kexec_kernel_verify_sig(struct kimage *image, void *kernel,  in arch_kexec_kernel_verify_sig()  argument
391 	if (!image->fops || !image->fops->verify_sig) {  in arch_kexec_kernel_verify_sig()
396 	return image->fops->verify_sig(kernel, kernel_len);  in arch_kexec_kernel_verify_sig()