19 		struct android_bootloader_control *abc)  in android_boot_control_compute_crc()  argument
21 	return crc32(0, (void *)abc, offsetof(typeof(*abc), crc32_le));  in android_boot_control_compute_crc()
29 void android_boot_control_default(struct android_bootloader_control *abc)  in android_boot_control_default()  argument
39 	memcpy(abc->slot_suffix, "a\0\0\0", 4);  in android_boot_control_default()
40 	abc->magic = ANDROID_BOOT_CTRL_MAGIC;  in android_boot_control_default()
41 	abc->version = ANDROID_BOOT_CTRL_VERSION;  in android_boot_control_default()
42 	abc->nb_slot = ANDROID_NUM_SLOTS;  in android_boot_control_default()
43 	memset(abc->reserved0, 0, sizeof(abc->reserved0));  in android_boot_control_default()
44 	for (i = 0; i < abc->nb_slot; ++i) {  in android_boot_control_default()
45 		abc->slot_info[i] = metadata;  in android_boot_control_default()
47 	memset(abc->reserved1, 0, sizeof(abc->reserved1));  in android_boot_control_default()
48 	abc->crc32_le = android_boot_control_compute_crc(abc);  in android_boot_control_default()
153 	struct android_bootloader_control *abc;  in android_ab_select()  local
159 	abc = android_boot_control_create_from_disk(dev_desc, part_info);  in android_ab_select()
160 	if (!abc) {  in android_ab_select()
169 	crc32_le = android_boot_control_compute_crc(abc);  in android_ab_select()
170 	if (abc->crc32_le != crc32_le) {  in android_ab_select()
173 		       crc32_le, abc->crc32_le);  in android_ab_select()
174 		android_boot_control_default(abc);  in android_ab_select()
178 	if (abc->magic != ANDROID_BOOT_CTRL_MAGIC) {  in android_ab_select()
179 		printf("ANDROID: Unknown A/B metadata: %.8x\n", abc->magic);  in android_ab_select()
180 		free(abc);  in android_ab_select()
184 	if (abc->version > ANDROID_BOOT_CTRL_VERSION) {  in android_ab_select()
186 		       abc->version);  in android_ab_select()
187 		free(abc);  in android_ab_select()
203 	if (abc->nb_slot > ARRAY_SIZE(abc->slot_info)) {  in android_ab_select()
204 		abc->nb_slot = ARRAY_SIZE(abc->slot_info);  in android_ab_select()
209 	for (i = 0; i < abc->nb_slot; ++i) {  in android_ab_select()
210 		if (abc->slot_info[i].verity_corrupted ||  in android_ab_select()
211 		    !abc->slot_info[i].tries_remaining) {  in android_ab_select()
215 			      abc->slot_info[i].tries_remaining,  in android_ab_select()
216 			      abc->slot_info[i].verity_corrupted);  in android_ab_select()
222 		      abc->slot_info[i].priority,  in android_ab_select()
223 		      abc->slot_info[i].tries_remaining,  in android_ab_select()
224 		      abc->slot_info[i].verity_corrupted,  in android_ab_select()
225 		      abc->slot_info[i].successful_boot);  in android_ab_select()
228 		    android_ab_compare_slots(&abc->slot_info[i],  in android_ab_select()
229 					     &abc->slot_info[slot]) < 0) {  in android_ab_select()
234 	if (slot >= 0 && !abc->slot_info[slot].successful_boot) {  in android_ab_select()
237 		       abc->slot_info[slot].tries_remaining);  in android_ab_select()
238 		abc->slot_info[slot].tries_remaining--;  in android_ab_select()
249 		if (memcmp(abc->slot_suffix, slot_suffix,  in android_ab_select()
251 			memcpy(abc->slot_suffix, slot_suffix,  in android_ab_select()
258 		abc->crc32_le = android_boot_control_compute_crc(abc);  in android_ab_select()
259 		android_boot_control_store(abc, dev_desc, part_info);  in android_ab_select()
261 	free(abc);  in android_ab_select()