static bool is_hab_enabled(void)
{
struct imx_sec_config_fuse_t *fuse =
(struct imx_sec_config_fuse_t *)&imx_sec_config_fuse;
uint32_t reg;
int ret;
ret = fuse_read(fuse->bank, fuse->word, ®);
if (ret) {
puts("\nSecure boot fuse read error\n");
return ret;
}
return (reg & IS_HAB_ENABLED_BIT) == IS_HAB_ENABLED_BIT;
}
static int
fuse_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *fi) {
if (offset >= file_size) return 0;
if (offset + (off_t) size > file_size) size = file_size - offset;
if (size == 0) return 0;
ssize_t res_size = 0;
int num, num_end;
for (;;){
num = offset / part_size;
num_end = (offset + size - 1) / part_size;
if (num == num_end) break;
size_t size_now = (num + 1) * part_size - offset;
int res = fuse_read(path, buf, size_now, offset, fi);
if (res != size_now){
return 0;
}
buf += size_now;
offset += size_now;
size -= size_now;
res_size += size_now;
}
char tmp[NAME_SIZE];
snprintf(tmp, NAME_SIZE, url, num);
offset -= num * part_size;
int retry;
for ( retry = 3; retry; --retry){
static __thread CURL *curl = NULL;
if (!curl) curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, tmp);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
struct curl_buf buf_now ;
buf_now.mem = buf;
buf_now.size = size;
buf_now.used = 0;
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) &buf_now);
char range[128];
sprintf(range, "%lld-%lld", (my_off_t) offset, (my_off_t) offset + size - 1);
curl_easy_setopt(curl, CURLOPT_RANGE, range);
CURLcode res = curl_easy_perform(curl);
//curl_easy_cleanup(curl);
if(res != CURLE_OK) {
printf("curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
continue;
}
if (buf_now.size != buf_now.used){
printf("fuse_read size %llu != used %llu\n", buf_now.size, buf_now.used);
continue;
}
res_size += size;
break;
}
if (!retry)
return 0;
return res_size;
}
static int do_fuse(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
const char *op = argc >= 2 ? argv[1] : NULL;
int confirmed = argc >= 3 && !strcmp(argv[2], "-y");
u32 bank, word, cnt, val;
int ret, i;
argc -= 2 + confirmed;
argv += 2 + confirmed;
if (argc < 2 || strtou32(argv[0], 0, &bank) ||
strtou32(argv[1], 0, &word))
return CMD_RET_USAGE;
if (!strcmp(op, "read")) {
if (argc == 2)
cnt = 1;
else if (argc != 3 || strtou32(argv[2], 0, &cnt))
return CMD_RET_USAGE;
printf("Reading bank %u:\n", bank);
for (i = 0; i < cnt; i++, word++) {
if (!(i % 4))
printf("\nWord 0x%.8x:", word);
ret = fuse_read(bank, word, &val);
if (ret)
goto err;
printf(" %.8x", val);
}
putc('\n');
} else if (!strcmp(op, "sense")) {
if (argc == 2)
cnt = 1;
else if (argc != 3 || strtou32(argv[2], 0, &cnt))
return CMD_RET_USAGE;
printf("Sensing bank %u:\n", bank);
for (i = 0; i < cnt; i++, word++) {
if (!(i % 4))
printf("\nWord 0x%.8x:", word);
ret = fuse_sense(bank, word, &val);
if (ret)
goto err;
printf(" %.8x", val);
}
putc('\n');
} else if (!strcmp(op, "prog")) {
if (argc < 3)
return CMD_RET_USAGE;
for (i = 2; i < argc; i++, word++) {
if (strtou32(argv[i], 16, &val))
return CMD_RET_USAGE;
printf("Programming bank %u word 0x%.8x to 0x%.8x...\n",
bank, word, val);
if (!confirmed && !confirm_prog())
return CMD_RET_FAILURE;
ret = fuse_prog(bank, word, val);
if (ret)
goto err;
}
} else if (!strcmp(op, "override")) {
if (argc < 3)
return CMD_RET_USAGE;
for (i = 2; i < argc; i++, word++) {
if (strtou32(argv[i], 16, &val))
return CMD_RET_USAGE;
printf("Overriding bank %u word 0x%.8x with "
"0x%.8x...\n", bank, word, val);
ret = fuse_override(bank, word, val);
if (ret)
goto err;
}
} else {
return CMD_RET_USAGE;
}
return 0;
err:
puts("ERROR\n");
return ret;
}