Пример #1
0
static void
dump_core_tlv(const struct flash_area *fa, uint32_t *off,
  struct coredump_tlv *tlv, void *data)
{
    flash_area_write(fa, *off, tlv, sizeof(*tlv));
    *off += sizeof(*tlv);

    flash_area_write(fa, *off, data, tlv->ct_len);
    *off += tlv->ct_len;
}
/**
 * Deletes the main image version number from the boot vector.
 * This must be called by the app to confirm that it is ok to keep booting
 * to this image.
 *
 * @return                  0 on success; nonzero on failure.
 */
int
boot_vect_write_main(void)
{
    const struct flash_area *fap;
    uint32_t off;
    int rc;
    uint8_t val;

    /*
     * Write to slot 0.
     */
    rc = flash_area_open(FLASH_AREA_IMAGE_0, &fap);
    if (rc) {
        return rc;
    }

    off = fap->fa_size - sizeof(struct boot_img_trailer);
    off += (sizeof(uint32_t) + sizeof(uint8_t));
    rc = flash_area_read(fap, off, &val, sizeof(val));
    if (!rc && val == 0xff) {
        val = 0;
        rc = flash_area_write(fap, off, &val, sizeof(val));
    }
    return rc;
}
void
boot_test_util_copy_area(int from_area_idx, int to_area_idx)
{
    const struct flash_area *from_area_desc;
    const struct flash_area *to_area_desc;
    void *buf;
    int rc;

    from_area_desc = boot_test_area_descs + from_area_idx;
    to_area_desc = boot_test_area_descs + to_area_idx;

    TEST_ASSERT(from_area_desc->fa_size == to_area_desc->fa_size);

    buf = malloc(from_area_desc->fa_size);
    TEST_ASSERT(buf != NULL);

    rc = flash_area_read(from_area_desc, 0, buf,
                         from_area_desc->fa_size);
    TEST_ASSERT(rc == 0);

    rc = flash_area_erase(to_area_desc,
                          0,
                          to_area_desc->fa_size);
    TEST_ASSERT(rc == 0);

    rc = flash_area_write(to_area_desc, 0, buf,
                          to_area_desc->fa_size);
    TEST_ASSERT(rc == 0);

    free(buf);
}
void
boot_test_util_swap_areas(int area_idx1, int area_idx2)
{
    const struct flash_area *area_desc1;
    const struct flash_area *area_desc2;
    uint32_t size;
    void *buf1;
    void *buf2;
    int rc;

    area_desc1 = boot_test_area_descs + area_idx1;
    area_desc2 = boot_test_area_descs + area_idx2;

    TEST_ASSERT(area_desc1->fa_size == area_desc2->fa_size);

    buf1 = malloc(area_desc1->fa_size);
    TEST_ASSERT(buf1 != NULL);

    buf2 = malloc(area_desc2->fa_size);
    TEST_ASSERT(buf2 != NULL);

    rc = flash_area_read(area_desc1, 0, buf1, area_desc1->fa_size);
    TEST_ASSERT(rc == 0);

    rc = flash_area_read(area_desc2, 0, buf2, area_desc2->fa_size);
    TEST_ASSERT(rc == 0);

    rc = flash_area_erase(area_desc1, 0, area_desc1->fa_size);
    TEST_ASSERT(rc == 0);

    rc = flash_area_erase(area_desc2, 0, area_desc2->fa_size);
    TEST_ASSERT(rc == 0);

    size = boot_test_util_area_write_size(area_idx1, 0, area_desc1->fa_size);
    rc = flash_area_write(area_desc1, 0, buf2, size);
    TEST_ASSERT(rc == 0);

    size = boot_test_util_area_write_size(area_idx2, 0, area_desc2->fa_size);
    rc = flash_area_write(area_desc2, 0, buf1, size);
    TEST_ASSERT(rc == 0);

    free(buf1);
    free(buf2);
}
Пример #5
0
static int
log_fcb_append(struct log *log, void *buf, int len)
{
    struct fcb *fcb;
    struct fcb_entry loc;
    struct fcb_log *fcb_log;
    int rc;

    fcb_log = (struct fcb_log *)log->l_log->log_arg;
    fcb = fcb_log->fl_fcb;

    while (1) {
        rc = fcb_append(fcb, len, &loc);
        if (rc == 0) {
            break;
        }

        if (rc != FCB_ERR_NOSPACE) {
            goto err;
        }

        if (log->l_log->log_rtr_erase && fcb_log->fl_entries) {
            rc = log->l_log->log_rtr_erase(log, fcb_log);
            if (rc) {
                goto err;
            }
            continue;
        }

        rc = fcb_rotate(fcb);
        if (rc) {
            goto err;
        }
    }

    rc = flash_area_write(loc.fe_area, loc.fe_data_off, buf, len);
    if (rc) {
        goto err;
    }

    rc = fcb_append_finish(fcb, &loc);

err:
    return (rc);
}
/**
 * Write the test image version number from the boot vector.
 *
 * @return                  0 on success; nonzero on failure.
 */
int
boot_vect_write_test(int slot)
{
    const struct flash_area *fap;
    uint32_t off;
    uint32_t magic;
    int rc;

    rc = flash_area_open(slot, &fap);
    if (rc) {
        return rc;
    }

    off = fap->fa_size - sizeof(struct boot_img_trailer);
    magic = BOOT_IMG_MAGIC;

    rc = flash_area_write(fap, off, &magic, sizeof(magic));
    flash_area_close(fap);

    return rc;
}
Пример #7
0
void
coredump_dump(void *regs, int regs_sz)
{
    struct coredump_header hdr;
    struct coredump_tlv tlv;
    const struct flash_area *fa;
    struct image_version ver;
    const struct bsp_mem_dump *mem, *cur;
    int area_cnt, i;
    uint8_t hash[IMGMGR_HASH_LEN];
    uint32_t off;
    uint32_t area_off, area_end;

    if (coredump_disabled) {
        return;
    }
    if (flash_area_open(FLASH_AREA_CORE, &fa)) {
        return;
    }

    if (flash_area_read(fa, 0, &hdr, sizeof(hdr))) {
        return;
    }
    if (hdr.ch_magic == COREDUMP_MAGIC) {
        /*
         * Don't override corefile.
         */
        return;
    }

    if (flash_area_erase(fa, 0, fa->fa_size)) {
        return;
    }

    /*
     * First put in data, followed by the header.
     */
    tlv.ct_type = COREDUMP_TLV_REGS;
    tlv._pad = 0;
    tlv.ct_len = regs_sz;
    tlv.ct_off = 0;

    off = sizeof(hdr);
    dump_core_tlv(fa, &off, &tlv, regs);

    if (imgr_read_info(bsp_imgr_current_slot(), &ver, hash) == 0) {
        tlv.ct_type = COREDUMP_TLV_IMAGE;
        tlv.ct_len = IMGMGR_HASH_LEN;

        dump_core_tlv(fa, &off, &tlv, hash);
    }

    mem = bsp_core_dump(&area_cnt);
    for (i = 0; i < area_cnt; i++) {
        cur = &mem[i];
        area_off = (uint32_t)cur->bmd_start;
        area_end = area_off + cur->bmd_size;
        while (area_off < area_end) {
            tlv.ct_type = COREDUMP_TLV_MEM;
            if (cur->bmd_size > USHRT_MAX) {
                tlv.ct_len = SHRT_MAX + 1;
            } else {
                tlv.ct_len = cur->bmd_size;
            }
            tlv.ct_off = area_off;
            dump_core_tlv(fa, &off, &tlv, (void *)area_off);
            area_off += tlv.ct_len;
        }
    }
    hdr.ch_magic = COREDUMP_MAGIC;
    hdr.ch_size = off;

    flash_area_write(fa, 0, &hdr, sizeof(hdr));
}