24 		struct android_bootloader_control *abc)  in android_boot_control_compute_crc()  argument
26 	return crc32(0, (void *)abc, offsetof(typeof(*abc), crc32_le));  in android_boot_control_compute_crc()
34 void android_boot_control_default(struct android_bootloader_control *abc)  in android_boot_control_default()  argument
44 	memcpy(abc->slot_suffix, "a\0\0\0", 4);  in android_boot_control_default()
45 	abc->magic = ANDROID_BOOT_CTRL_MAGIC;  in android_boot_control_default()
46 	abc->version = ANDROID_BOOT_CTRL_VERSION;  in android_boot_control_default()
47 	abc->nb_slot = ARRAY_SIZE(abc->slot_info);  in android_boot_control_default()
48 	memset(abc->reserved0, 0, sizeof(abc->reserved0));  in android_boot_control_default()
49 	for (i = 0; i < abc->nb_slot; ++i) {  in android_boot_control_default()
50 		abc->slot_info[i] = metadata;  in android_boot_control_default()
52 	memset(abc->reserved1, 0, sizeof(abc->reserved1));  in android_boot_control_default()
53 	abc->crc32_le = android_boot_control_compute_crc(abc);  in android_boot_control_default()
99 	debug("ANDROID: Loaded ABC, %lu blocks.\n", abc_blocks);  in android_boot_control_create_from_disk()
158 	struct android_bootloader_control *abc;  in android_ab_select()  local
164 	abc = android_boot_control_create_from_disk(dev_desc, part_info);  in android_ab_select()
165 	if (!abc) {  in android_ab_select()
174 	crc32_le = android_boot_control_compute_crc(abc);  in android_ab_select()
175 	if (abc->crc32_le != crc32_le) {  in android_ab_select()
178 		       crc32_le, abc->crc32_le);  in android_ab_select()
179 		android_boot_control_default(abc);  in android_ab_select()
183 	if (abc->magic != ANDROID_BOOT_CTRL_MAGIC) {  in android_ab_select()
184 		printf("ANDROID: Unknown A/B metadata: %.8x\n", abc->magic);  in android_ab_select()
185 		free(abc);  in android_ab_select()
189 	if (abc->version > ANDROID_BOOT_CTRL_VERSION) {  in android_ab_select()
191 		       abc->version);  in android_ab_select()
192 		free(abc);  in android_ab_select()
196 	/* At this point a valid boot control metadata is stored in abc,  in android_ab_select()
208 	if (abc->nb_slot > ARRAY_SIZE(abc->slot_info)) {  in android_ab_select()
209 		abc->nb_slot = ARRAY_SIZE(abc->slot_info);  in android_ab_select()
214 	for (i = 0; i < abc->nb_slot; ++i) {  in android_ab_select()
215 		if (abc->slot_info[i].verity_corrupted ||  in android_ab_select()
216 		    !abc->slot_info[i].tries_remaining) {  in android_ab_select()
220 			      abc->slot_info[i].tries_remaining,  in android_ab_select()
221 			      abc->slot_info[i].verity_corrupted);  in android_ab_select()
227 		      abc->slot_info[i].priority,  in android_ab_select()
228 		      abc->slot_info[i].tries_remaining,  in android_ab_select()
229 		      abc->slot_info[i].verity_corrupted,  in android_ab_select()
230 		      abc->slot_info[i].successful_boot);  in android_ab_select()
233 		    android_ab_compare_slots(&abc->slot_info[i],  in android_ab_select()
234 					     &abc->slot_info[slot]) < 0) {  in android_ab_select()
239 	if (slot >= 0 && !abc->slot_info[slot].successful_boot) {  in android_ab_select()
242 		       abc->slot_info[slot].tries_remaining);  in android_ab_select()
243 		abc->slot_info[slot].tries_remaining--;  in android_ab_select()
254 		if (memcmp(abc->slot_suffix, slot_suffix,  in android_ab_select()
256 			memcpy(abc->slot_suffix, slot_suffix,  in android_ab_select()
263 		abc->crc32_le = android_boot_control_compute_crc(abc);  in android_ab_select()
264 		android_boot_control_store(abc, dev_desc, part_info);  in android_ab_select()
266 	free(abc);  in android_ab_select()