33 #if !defined(MCUBOOT_SWAP_USING_MOVE)
35 #if defined(MCUBOOT_VALIDATE_PRIMARY_SLOT)
42         if (!(x)) {                          \
50 #if !defined(MCUBOOT_DIRECT_XIP) && !defined(MCUBOOT_RAM_LOAD)
52  * Reads the status of a partially-completed swap, if any.  This is necessary
71     if (max_entries < 0) {  in swap_read_status_bytes()
81         if (rc < 0) {  in swap_read_status_bytes()
85         if (bootutil_buffer_is_erased(fap, &status, 1)) {  in swap_read_status_bytes()
86             if (found && !found_idx) {  in swap_read_status_bytes()
89         } else if (!found) {  in swap_read_status_bytes()
91         } else if (found_idx) {  in swap_read_status_bytes()
97     if (invalid) {  in swap_read_status_bytes()
101 #if !defined(__BOOTSIM__)  in swap_read_status_bytes()
105 #if !defined(MCUBOOT_VALIDATE_PRIMARY_SLOT)  in swap_read_status_bytes()
113     if (found) {  in swap_read_status_bytes()
114         if (!found_idx) {  in swap_read_status_bytes()
156     if ((num_sectors_primary > BOOT_MAX_IMG_SECTORS) ||  in boot_slots_compatible()
177         if (sz0 == sz1) {  in boot_slots_compatible()
182         } else if (sz0 < sz1) {  in boot_slots_compatible()
187             if (smaller == 2) {  in boot_slots_compatible()
197             if (sector_size == 0) {  in boot_slots_compatible()
198                 /* Since this supports decompressed images, we can safely exit if slot1 is  in boot_slots_compatible()
208             if (smaller == 1) {  in boot_slots_compatible()
216         if (sz0 == sz1) {  in boot_slots_compatible()
222             if (sz0 > scratch_sz || sz1 > scratch_sz) {  in boot_slots_compatible()
232     if ((i != num_sectors_primary) ||  in boot_slots_compatible()
345 #if MCUBOOT_SWAP_USING_SCRATCH  in swap_status_source()
354 #if (BOOT_IMAGE_NUMBER == 1)  in swap_status_source()
363 #if MCUBOOT_SWAP_USING_SCRATCH  in swap_status_source()
369 #if MCUBOOT_SWAP_USING_SCRATCH  in swap_status_source()
375         if (boot_magic_compatible_check(table->bst_magic_primary_slot,  in swap_status_source()
377 #if MCUBOOT_SWAP_USING_SCRATCH  in swap_status_source()
386 #if (BOOT_IMAGE_NUMBER > 1) && MCUBOOT_SWAP_USING_SCRATCH  in swap_status_source()
387             /* In case of multi-image boot it can happen that if boot status  in swap_status_source()
391             if (source == BOOT_STATUS_SOURCE_SCRATCH &&  in swap_status_source()
443         if (new_sz > scratch_sz) {  in boot_copy_sz()
482         if ((primary_slot_size < copy_size) ||  in find_last_sector_idx()
488         if ((secondary_slot_size < copy_size) ||  in find_last_sector_idx()
494         if (primary_slot_size >= copy_size &&  in find_last_sector_idx()
571      * is to determine if we're swapping the last sector. The last sector  in boot_swap_sectors()
572      * needs special handling because it's where the trailer lives. If we're  in boot_swap_sectors()
576      * controls if special handling is needed (swapping last sector).  in boot_swap_sectors()
581     if (sector_sz < trailer_sz) {  in boot_swap_sectors()
594     if ((img_off + sz) >  in boot_swap_sectors()
614     if (bs->state == BOOT_STATUS_STATE_0) {  in boot_swap_sectors()
619         if (bs->idx == BOOT_STATUS_IDX_0) {  in boot_swap_sectors()
620             /* Write a trailer to the scratch area, even if we don't need the  in boot_swap_sectors()
627             if (!bs->use_scratch) {  in boot_swap_sectors()
654     if (bs->state == BOOT_STATUS_STATE_1) {  in boot_swap_sectors()
662         if (bs->idx == BOOT_STATUS_IDX_0 && !bs->use_scratch) {  in boot_swap_sectors()
663             /* If not all sectors of the slot are being swapped,  in boot_swap_sectors()
675     if (bs->state == BOOT_STATUS_STATE_2) {  in boot_swap_sectors()
679         /* NOTE: If this is the final sector, we exclude the image trailer from  in boot_swap_sectors()
686         if (bs->use_scratch) {  in boot_swap_sectors()
698             if (swap_state.image_ok == BOOT_FLAG_SET) {  in boot_swap_sectors()
703             if (swap_state.swap_type != BOOT_SWAP_TYPE_NONE) {  in boot_swap_sectors()
723         /* If we wrote a trailer to the scratch area, erase it after we persist  in boot_swap_sectors()
736         if (erase_scratch) {  in boot_swap_sectors()
763         if (swap_idx >= (bs->idx - BOOT_STATUS_IDX_0)) {  in swap_run()
804         if (sz0 == sz1) {  in app_max_size()
809         } else if (sz0 < sz1) {  in app_max_size()
814             if (smaller == 2) {  in app_max_size()
825             if (smaller == 1) {  in app_max_size()
833         if (sz0 == sz1) {  in app_max_size()
839             if (sz0 > scratch_sz || sz1 > scratch_sz) {  in app_max_size()
871     if (active_slot == BOOT_PRIMARY_SLOT) {  in app_max_size()
905 #if (BOOT_IMAGE_NUMBER == 1)  in boot_read_image_header()
912     /* If the slots are being swapped, the headers might have been moved to scratch area or to the  in boot_read_image_header()
915     if (bs && !boot_status_is_reset(bs)) {  in boot_read_image_header()
918         if (rc != 0) {  in boot_read_image_header()
926         if (rc != 0) {  in boot_read_image_header()
933         if (bs->idx - BOOT_STATUS_IDX_0 >= swap_count) {  in boot_read_image_header()
934             /* If all segments have been swapped, the header is located in the other slot */  in boot_read_image_header()
936         } else if (bs->idx - BOOT_STATUS_IDX_0 == swap_count - 1) {  in boot_read_image_header()
937             /* If the last swap operation is in progress, the headers are currently being swapped  in boot_read_image_header()
941             if (slot == BOOT_SECONDARY_SLOT && bs->state >= BOOT_STATUS_STATE_1) {  in boot_read_image_header()
946             } else if (slot == BOOT_PRIMARY_SLOT && bs->state >= BOOT_STATUS_STATE_2) {  in boot_read_image_header()
955     if (hdr_slot == BOOT_NUM_SLOTS) {  in boot_read_image_header()
965     if (rc == 0) {  in boot_read_image_header()
970     if (rc != 0) {  in boot_read_image_header()