static int do_unzip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long src, dst;
unsigned long src_len = ~0UL, dst_len = ~0UL;
switch (argc) {
case 4:
dst_len = simple_strtoul(argv[3], NULL, 16);
/* fall through */
case 3:
src = simple_strtoul(argv[1], NULL, 16);
dst = simple_strtoul(argv[2], NULL, 16);
break;
default:
return CMD_RET_USAGE;
}
if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
return 1;
printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
setenv_hex("filesize", src_len);
setenv_hex("fileaddr", dst);
return 0;
}
void set_working_fdt_addr(ulong addr)
{
void *buf;
buf = map_sysmem(addr, 0);
working_fdt = buf;
setenv_hex("fdtaddr", addr);
}
static void nand_print_and_set_info(int idx)
{
nand_info_t *nand = &nand_info[idx];
struct nand_chip *chip = nand->priv;
printf("Device %d: ", idx);
if (chip->numchips > 1)
printf("%dx ", chip->numchips);
printf("%s, sector size %u KiB\n",
nand->name, nand->erasesize >> 10);
printf(" Page size %8d b\n", nand->writesize);
printf(" OOB size %8d b\n", nand->oobsize);
printf(" Erase size %8d b\n", nand->erasesize);
/* Set geometry info */
setenv_hex("nand_writesize", nand->writesize);
setenv_hex("nand_oobsize", nand->oobsize);
setenv_hex("nand_erasesize", nand->erasesize);
}
int misc_init_r(void)
{
#ifdef CONFIG_PREBOOT
preboot_keys();
#endif
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
setenv_hex("reset_cause", get_imx_reset_cause());
return 0;
}
static int set_fdt_addr(void)
{
int ret;
ret = setenv_hex("fdt_addr", nvtboot_boot_x0);
if (ret) {
printf("Failed to set fdt_addr to point at DTB: %d\n", ret);
return ret;
}
return 0;
}
/**
* Routine implementing fsload u-boot command. This routine tries to load
* a requested file from cramfs filesystem at location 'cramfsaddr'.
* cramfsaddr is an evironment variable.
*
* @param cmdtp command internal data
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename;
int size;
ulong offset = load_addr;
struct part_info part;
struct mtd_device dev;
struct mtdids id;
ulong addr;
addr = simple_strtoul(getenv("cramfsaddr"), NULL, 16);
/* hack! */
/* cramfs_* only supports NOR flash chips */
/* fake the device type */
id.type = MTD_DEV_TYPE_NOR;
id.num = 0;
dev.id = &id;
part.dev = &dev;
/* fake the address offset */
part.offset = addr - OFFSET_ADJUSTMENT;
/* pre-set Boot file name */
if ((filename = getenv("bootfile")) == NULL) {
filename = "uImage";
}
if (argc == 2) {
filename = argv[1];
}
if (argc == 3) {
offset = simple_strtoul(argv[1], NULL, 0);
load_addr = offset;
filename = argv[2];
}
size = 0;
if (cramfs_check(&part))
size = cramfs_load ((char *) offset, &part, filename);
if (size > 0) {
printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
size, offset);
setenv_hex("filesize", size);
} else {
printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
}
return !(size > 0);
}
static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
{
char *s;
int (*appl)(int, char * const []);
/* Don't start if "autostart" is set to "no" */
if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
setenv_hex("filesize", images.os.image_len);
return 0;
}
appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
(*appl)(argc-1, &argv[1]);
return 0;
}
int last_stage_init(void)
{
void *fdt = get_fdt_virt();
int len = 0;
const uint64_t *prop;
int chosen;
chosen = fdt_path_offset(fdt, "/chosen");
if (chosen < 0) {
printf("Couldn't find /chosen node in fdt\n");
return -EIO;
}
/* -kernel boot */
prop = fdt_getprop(fdt, chosen, "qemu,boot-kernel", &len);
if (prop && (len >= 8))
setenv_hex("qemu_kernel_addr", *prop);
/* Give the user a variable for the host fdt */
setenv_hex("fdt_addr_r", (ulong)fdt);
return 0;
}
static int do_bootm_standalone(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
char *s;
int (*appl)(int, char * const []);
/* Don't start if "autostart" is set to "no" */
if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
setenv_hex("filesize", images->os.image_len);
return 0;
}
appl = (int (*)(int, char * const []))images->ep;
appl(argc, argv);
return 0;
}
/* Compat wrappers for common/cmd_ubifs.c */
int ubifs_load(char *filename, u32 addr, u32 size)
{
loff_t actread;
int err;
printf("Loading file '%s' to addr 0x%08x...\n", filename, addr);
err = ubifs_read(filename, (void *)addr, 0, size, &actread);
if (err == 0) {
setenv_hex("filesize", actread);
printf("Done\n");
}
return err;
}
int do_ubifs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename;
char *endp;
int ret;
u32 addr;
u32 size = 0;
if (!ubifs_mounted) {
printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
return -1;
}
if (argc < 3)
return CMD_RET_USAGE;
addr = simple_strtoul(argv[1], &endp, 16);
if (addr == 0)
addr = load_addr;
if (endp == argv[1])
return CMD_RET_USAGE;
filename = argv[2];
if (argc == 4) {
size = simple_strtoul(argv[3], &endp, 16);
if (endp == argv[3])
return CMD_RET_USAGE;
}
debug("Loading file '%s' to address 0x%08x (size %d)\n", filename, addr, size);
ret = ubifs_load(filename, addr, size);
if (ret) {
printf("** File not found %s **\n", filename);
ret = CMD_RET_FAILURE;
}
setenv_hex("fileaddr", addr);
return ret;
}
/******************************************************************************
* Reiserfs boot command intepreter. Derived from diskboot
*/
int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename = NULL;
int dev, part;
ulong addr = 0, filelen;
disk_partition_t info;
block_dev_desc_t *dev_desc = NULL;
unsigned long count;
char *addr_str;
switch (argc) {
case 3:
addr_str = getenv("loadaddr");
if (addr_str != NULL) {
addr = simple_strtoul (addr_str, NULL, 16);
} else {
addr = CONFIG_SYS_LOAD_ADDR;
}
filename = getenv ("bootfile");
count = 0;
break;
case 4:
addr = simple_strtoul (argv[3], NULL, 16);
filename = getenv ("bootfile");
count = 0;
break;
case 5:
addr = simple_strtoul (argv[3], NULL, 16);
filename = argv[4];
count = 0;
break;
case 6:
addr = simple_strtoul (argv[3], NULL, 16);
filename = argv[4];
count = simple_strtoul (argv[5], NULL, 16);
break;
default:
return CMD_RET_USAGE;
}
if (!filename) {
puts ("\n** No boot file defined **\n");
return 1;
}
part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
if (part < 0)
return 1;
dev = dev_desc->dev;
printf("Loading file \"%s\" from %s device %d%c%c\n",
filename, argv[1], dev,
part ? ':' : ' ', part ? part + '0' : ' ');
reiserfs_set_blk_dev(dev_desc, &info);
if (!reiserfs_mount(info.size)) {
printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
return 1;
}
filelen = reiserfs_open(filename);
if (filelen < 0) {
printf("** File not found %s **\n", filename);
return 1;
}
if ((count < filelen) && (count != 0)) {
filelen = count;
}
if (reiserfs_read((char *)addr, filelen) != filelen) {
printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
return 1;
}
/* Loading ok, update default load address */
load_addr = addr;
printf ("\n%ld bytes read\n", filelen);
setenv_hex("filesize", filelen);
return filelen;
}
static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
int ret = 0;
long state;
cmd_tbl_t *c;
boot_os_fn *boot_fn;
c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
if (c) {
state = (long)c->cmd;
/* treat start special since it resets the state machine */
if (state == BOOTM_STATE_START) {
argc--;
argv++;
return bootm_start(cmdtp, flag, argc, argv);
}
} else {
/* Unrecognized command */
return CMD_RET_USAGE;
}
if (images.state < BOOTM_STATE_START ||
images.state >= state) {
printf("Trying to execute a command out of order\n");
return CMD_RET_USAGE;
}
images.state |= state;
boot_fn = boot_os[images.os.os];
switch (state) {
ulong load_end;
case BOOTM_STATE_START:
/* should never occur */
break;
case BOOTM_STATE_LOADOS:
ret = bootm_load_os(images.os, &load_end, 0);
if (ret)
return ret;
lmb_reserve(&images.lmb, images.os.load,
(load_end - images.os.load));
break;
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
case BOOTM_STATE_RAMDISK:
{
ulong rd_len = images.rd_end - images.rd_start;
ret = boot_ramdisk_high(&images.lmb, images.rd_start,
rd_len, &images.initrd_start, &images.initrd_end);
if (ret)
return ret;
setenv_hex("initrd_start", images.initrd_start);
setenv_hex("initrd_end", images.initrd_end);
}
break;
#endif
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
case BOOTM_STATE_FDT:
{
boot_fdt_add_mem_rsv_regions(&images.lmb,
images.ft_addr);
ret = boot_relocate_fdt(&images.lmb,
&images.ft_addr, &images.ft_len);
break;
}
#endif
case BOOTM_STATE_OS_CMDLINE:
ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
if (ret)
printf("cmdline subcommand not supported\n");
break;
case BOOTM_STATE_OS_BD_T:
ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
if (ret)
printf("bdt subcommand not supported\n");
break;
case BOOTM_STATE_OS_PREP:
ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
if (ret)
printf("prep subcommand not supported\n");
break;
case BOOTM_STATE_OS_GO:
disable_interrupts();
#ifdef CONFIG_NETCONSOLE
/*
* Stop the ethernet stack if NetConsole could have
* left it up
*/
eth_halt();
#endif
arch_preboot_os();
boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
break;
}
return ret;
}
/**
* Execute selected states of the bootm command.
*
* Note the arguments to this state must be the first argument, Any 'bootm'
* or sub-command arguments must have already been taken.
*
* Note that if states contains more than one flag it MUST contain
* BOOTM_STATE_START, since this handles and consumes the command line args.
*
* Also note that aside from boot_os_fn functions and bootm_load_os no other
* functions we store the return value of in 'ret' may use a negative return
* value, without special handling.
*
* @param cmdtp Pointer to bootm command table entry
* @param flag Command flags (CMD_FLAG_...)
* @param argc Number of subcommand arguments (0 = no arguments)
* @param argv Arguments
* @param states Mask containing states to run (BOOTM_STATE_...)
* @param images Image header information
* @param boot_progress 1 to show boot progress, 0 to not do this
* @return 0 if ok, something else on error. Some errors will cause this
* function to perform a reboot! If states contains BOOTM_STATE_OS_GO
* then the intent is to boot an OS, so this function will not return
* unless the image type is standalone.
*/
static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], int states, bootm_headers_t *images,
int boot_progress)
{
boot_os_fn *boot_fn;
ulong iflag = 0;
int ret = 0, need_boot_fn;
images->state |= states;
/*
* Work through the states and see how far we get. We stop on
* any error.
*/
if (states & BOOTM_STATE_START)
ret = bootm_start(cmdtp, flag, argc, argv);
if (!ret && (states & BOOTM_STATE_FINDOS))
ret = bootm_find_os(cmdtp, flag, argc, argv);
if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
ret = bootm_find_other(cmdtp, flag, argc, argv);
argc = 0; /* consume the args */
}
/* Load the OS */
if (!ret && (states & BOOTM_STATE_LOADOS)) {
ulong load_end;
iflag = bootm_disable_interrupts();
ret = bootm_load_os(images, &load_end, 0);
if (ret == 0)
lmb_reserve(&images->lmb, images->os.load,
(load_end - images->os.load));
else if (ret && ret != BOOTM_ERR_OVERLAP)
goto err;
else if (ret == BOOTM_ERR_OVERLAP)
ret = 0;
#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
if (images->os.os == IH_OS_LINUX)
fixup_silent_linux();
#endif
}
/* Relocate the ramdisk */
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
if (!ret && (states & BOOTM_STATE_RAMDISK)) {
ulong rd_len = images->rd_end - images->rd_start;
ret = boot_ramdisk_high(&images->lmb, images->rd_start,
rd_len, &images->initrd_start, &images->initrd_end);
if (!ret) {
setenv_hex("initrd_start", images->initrd_start);
setenv_hex("initrd_end", images->initrd_end);
}
}
#endif
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
if (!ret && (states & BOOTM_STATE_FDT)) {
boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
&images->ft_len);
}
#endif
/* From now on, we need the OS boot function */
if (ret)
return ret;
boot_fn = boot_os[images->os.os];
need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
if (boot_fn == NULL && need_boot_fn) {
if (iflag)
enable_interrupts();
printf("ERROR: booting os '%s' (%d) is not supported\n",
genimg_get_os_name(images->os.os), images->os.os);
bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
return 1;
}
/* Call various other states that are not generally used */
if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
if (!ret && (states & BOOTM_STATE_OS_BD_T))
ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
if (!ret && (states & BOOTM_STATE_OS_PREP))
ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
#ifdef CONFIG_TRACE
/* Pretend to run the OS, then run a user command */
if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
char *cmd_list = getenv("fakegocmd");
ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
images, boot_fn);
if (!ret && cmd_list)
ret = run_command_list(cmd_list, -1, flag);
}
#endif
/* Check for unsupported subcommand. */
if (ret) {
puts("subcommand not supported\n");
return ret;
}
/* Now run the OS! We hope this doesn't return */
if (!ret && (states & BOOTM_STATE_OS_GO))
ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
images, boot_fn);
/* Deal with any fallout */
err:
if (iflag)
enable_interrupts();
if (ret == BOOTM_ERR_UNIMPLEMENTED)
bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
else if (ret == BOOTM_ERR_RESET)
do_reset(cmdtp, flag, argc, argv);
return ret;
}
int net_loop(enum proto_t protocol)
{
int ret = -EINVAL;
net_restarted = 0;
net_dev_exists = 0;
net_try_count = 1;
debug_cond(DEBUG_INT_STATE, "--- net_loop Entry\n");
bootstage_mark_name(BOOTSTAGE_ID_ETH_START, "eth_start");
net_init();
if (eth_is_on_demand_init() || protocol != NETCONS) {
eth_halt();
eth_set_current();
ret = eth_init();
if (ret < 0) {
eth_halt();
return ret;
}
} else {
eth_init_state_only();
}
restart:
#ifdef CONFIG_USB_KEYBOARD
net_busy_flag = 0;
#endif
net_set_state(NETLOOP_CONTINUE);
/*
* Start the ball rolling with the given start function. From
* here on, this code is a state machine driven by received
* packets and timer events.
*/
debug_cond(DEBUG_INT_STATE, "--- net_loop Init\n");
net_init_loop();
switch (net_check_prereq(protocol)) {
case 1:
/* network not configured */
eth_halt();
return -ENODEV;
case 2:
/* network device not configured */
break;
case 0:
net_dev_exists = 1;
net_boot_file_size = 0;
switch (protocol) {
case TFTPGET:
#ifdef CONFIG_CMD_TFTPPUT
case TFTPPUT:
#endif
/* always use ARP to get server ethernet address */
tftp_start(protocol);
break;
#ifdef CONFIG_CMD_TFTPSRV
case TFTPSRV:
tftp_start_server();
break;
#endif
#if defined(CONFIG_CMD_DHCP)
case DHCP:
bootp_reset();
net_ip.s_addr = 0;
dhcp_request(); /* Basically same as BOOTP */
break;
#endif
case BOOTP:
bootp_reset();
net_ip.s_addr = 0;
bootp_request();
break;
#if defined(CONFIG_CMD_RARP)
case RARP:
rarp_try = 0;
net_ip.s_addr = 0;
rarp_request();
break;
#endif
#if defined(CONFIG_CMD_PING)
case PING:
ping_start();
break;
#endif
#if defined(CONFIG_CMD_NFS)
case NFS:
nfs_start();
break;
#endif
#if defined(CONFIG_CMD_CDP)
case CDP:
cdp_start();
break;
#endif
#if defined(CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
case NETCONS:
nc_start();
break;
#endif
#if defined(CONFIG_CMD_SNTP)
case SNTP:
sntp_start();
break;
#endif
#if defined(CONFIG_CMD_DNS)
case DNS:
dns_start();
break;
#endif
#if defined(CONFIG_CMD_LINK_LOCAL)
case LINKLOCAL:
link_local_start();
break;
#endif
default:
break;
}
break;
}
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
#if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && \
defined(CONFIG_STATUS_LED) && \
defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
if (miiphy_link(eth_get_dev()->name, CONFIG_SYS_FAULT_MII_ADDR))
status_led_set(STATUS_LED_RED, STATUS_LED_OFF);
else
status_led_set(STATUS_LED_RED, STATUS_LED_ON);
#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
#ifdef CONFIG_USB_KEYBOARD
net_busy_flag = 1;
#endif
/*
* Main packet reception loop. Loop receiving packets until
* someone sets `net_state' to a state that terminates.
*/
for (;;) {
WATCHDOG_RESET();
#ifdef CONFIG_SHOW_ACTIVITY
show_activity(1);
#endif
if (arp_timeout_check() > 0)
time_start = get_timer(0);
/*
* Check the ethernet for a new packet. The ethernet
* receive routine will process it.
* Most drivers return the most recent packet size, but not
* errors that may have happened.
*/
eth_rx();
/*
* Abort if ctrl-c was pressed.
*/
if (ctrlc()) {
/* cancel any ARP that may not have completed */
net_arp_wait_packet_ip.s_addr = 0;
net_cleanup_loop();
eth_halt();
/* Invalidate the last protocol */
eth_set_last_protocol(BOOTP);
puts("\nAbort\n");
/* include a debug print as well incase the debug
messages are directed to stderr */
debug_cond(DEBUG_INT_STATE, "--- net_loop Abort!\n");
ret = -EINTR;
goto done;
}
/*
* Check for a timeout, and run the timeout handler
* if we have one.
*/
if (time_handler &&
((get_timer(0) - time_start) > time_delta)) {
thand_f *x;
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
#if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && \
defined(CONFIG_STATUS_LED) && \
defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
if (miiphy_link(eth_get_dev()->name,
CONFIG_SYS_FAULT_MII_ADDR))
status_led_set(STATUS_LED_RED, STATUS_LED_OFF);
else
status_led_set(STATUS_LED_RED, STATUS_LED_ON);
#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
debug_cond(DEBUG_INT_STATE, "--- net_loop timeout\n");
x = time_handler;
time_handler = (thand_f *)0;
(*x)();
}
if (net_state == NETLOOP_FAIL)
ret = net_start_again();
switch (net_state) {
case NETLOOP_RESTART:
net_restarted = 1;
goto restart;
case NETLOOP_SUCCESS:
net_cleanup_loop();
if (net_boot_file_size > 0) {
printf("Bytes transferred = %d (%x hex)\n",
net_boot_file_size, net_boot_file_size);
setenv_hex("filesize", net_boot_file_size);
setenv_hex("fileaddr", load_addr);
}
if (protocol != NETCONS)
eth_halt();
else
eth_halt_state_only();
eth_set_last_protocol(protocol);
ret = net_boot_file_size;
debug_cond(DEBUG_INT_STATE, "--- net_loop Success!\n");
goto done;
case NETLOOP_FAIL:
net_cleanup_loop();
/* Invalidate the last protocol */
eth_set_last_protocol(BOOTP);
debug_cond(DEBUG_INT_STATE, "--- net_loop Fail!\n");
goto done;
case NETLOOP_CONTINUE:
continue;
}
}
done:
#ifdef CONFIG_USB_KEYBOARD
net_busy_flag = 0;
#endif
#ifdef CONFIG_CMD_TFTPPUT
/* Clear out the handlers */
net_set_udp_handler(NULL);
net_set_icmp_handler(NULL);
#endif
return ret;
}
int ubifs_load(char *filename, u32 addr, u32 size)
{
struct ubifs_info *c = ubifs_sb->s_fs_info;
unsigned long inum;
struct inode *inode;
struct page page;
int err = 0;
int i;
int count;
int last_block_size = 0;
c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READONLY);
/* ubifs_findfile will resolve symlinks, so we know that we get
* the real file here */
inum = ubifs_findfile(ubifs_sb, filename);
if (!inum) {
err = -1;
goto out;
}
/*
* Read file inode
*/
inode = ubifs_iget(ubifs_sb, inum);
if (IS_ERR(inode)) {
printf("%s: Error reading inode %ld!\n", __func__, inum);
err = PTR_ERR(inode);
goto out;
}
/*
* If no size was specified or if size bigger than filesize
* set size to filesize
*/
if ((size == 0) || (size > inode->i_size))
size = inode->i_size;
count = (size + UBIFS_BLOCK_SIZE - 1) >> UBIFS_BLOCK_SHIFT;
printf("Loading file '%s' to addr 0x%08x with size %d (0x%08x)...\n",
filename, addr, size, size);
page.addr = (void *)addr;
page.index = 0;
page.inode = inode;
for (i = 0; i < count; i++) {
/*
* Make sure to not read beyond the requested size
*/
if (((i + 1) == count) && (size < inode->i_size))
last_block_size = size - (i * PAGE_SIZE);
err = do_readpage(c, inode, &page, last_block_size);
if (err)
break;
page.addr += PAGE_SIZE;
page.index++;
}
if (err)
printf("Error reading file '%s'\n", filename);
else {
setenv_hex("filesize", size);
printf("Done\n");
}
ubifs_iput(inode);
out:
ubi_close_volume(c->ubi);
return err;
}
static int
do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
ulong addr = load_addr;
ulong dest = 0;
ulong data, len;
int verify;
int part = 0;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
ulong count;
image_header_t *hdr = NULL;
#endif
#if defined(CONFIG_FIT)
const char *uname = NULL;
const void* fit_hdr;
int noffset;
const void *fit_data;
size_t fit_len;
#endif
#ifdef CONFIG_GZIP
uint unc_len = CONFIG_SYS_XIMG_LEN;
#endif
uint8_t comp;
verify = getenv_yesno("verify");
if (argc > 1) {
addr = simple_strtoul(argv[1], NULL, 16);
}
if (argc > 2) {
part = simple_strtoul(argv[2], NULL, 16);
#if defined(CONFIG_FIT)
uname = argv[2];
#endif
}
if (argc > 3) {
dest = simple_strtoul(argv[3], NULL, 16);
}
switch (genimg_get_format((void *)addr)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
printf("## Copying part %d from legacy image "
"at %08lx ...\n", part, addr);
hdr = (image_header_t *)addr;
if (!image_check_magic(hdr)) {
printf("Bad Magic Number\n");
return 1;
}
if (!image_check_hcrc(hdr)) {
printf("Bad Header Checksum\n");
return 1;
}
#ifdef DEBUG
image_print_contents(hdr);
#endif
if (!image_check_type(hdr, IH_TYPE_MULTI)) {
printf("Wrong Image Type for %s command\n",
cmdtp->name);
return 1;
}
comp = image_get_comp(hdr);
if ((comp != IH_COMP_NONE) && (argc < 4)) {
printf("Must specify load address for %s command "
"with compressed image\n",
cmdtp->name);
return 1;
}
if (verify) {
printf(" Verifying Checksum ... ");
if (!image_check_dcrc(hdr)) {
printf("Bad Data CRC\n");
return 1;
}
printf("OK\n");
}
count = image_multi_count(hdr);
if (part >= count) {
printf("Bad Image Part\n");
return 1;
}
image_multi_getimg(hdr, part, &data, &len);
break;
#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
if (uname == NULL) {
puts("No FIT subimage unit name\n");
return 1;
}
printf("## Copying '%s' subimage from FIT image "
"at %08lx ...\n", uname, addr);
fit_hdr = (const void *)addr;
if (!fit_check_format(fit_hdr)) {
puts("Bad FIT image format\n");
return 1;
}
/* get subimage node offset */
noffset = fit_image_get_node(fit_hdr, uname);
if (noffset < 0) {
printf("Can't find '%s' FIT subimage\n", uname);
return 1;
}
if (fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
&& (argc < 4)) {
printf("Must specify load address for %s command "
"with compressed image\n",
cmdtp->name);
return 1;
}
/* verify integrity */
if (verify) {
if (!fit_image_verify(fit_hdr, noffset)) {
puts("Bad Data Hash\n");
return 1;
}
}
/* get subimage data address and length */
if (fit_image_get_data(fit_hdr, noffset,
&fit_data, &fit_len)) {
puts("Could not find script subimage data\n");
return 1;
}
if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
puts("Could not find script subimage "
"compression type\n");
return 1;
}
data = (ulong)fit_data;
len = (ulong)fit_len;
break;
#endif
default:
puts("Invalid image type for imxtract\n");
return 1;
}
if (argc > 3) {
switch (comp) {
case IH_COMP_NONE:
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
{
size_t l = len;
size_t tail;
void *to = (void *) dest;
void *from = (void *)data;
printf(" Loading part %d ... ", part);
while (l > 0) {
tail = (l > CHUNKSZ) ? CHUNKSZ : l;
WATCHDOG_RESET();
memmove(to, from, tail);
to += tail;
from += tail;
l -= tail;
}
}
#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
printf(" Loading part %d ... ", part);
memmove((char *) dest, (char *)data, len);
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
break;
#ifdef CONFIG_GZIP
case IH_COMP_GZIP:
printf(" Uncompressing part %d ... ", part);
if (gunzip((void *) dest, unc_len,
(uchar *) data, &len) != 0) {
puts("GUNZIP ERROR - image not loaded\n");
return 1;
}
break;
#endif
#if defined(CONFIG_BZIP2) && defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IH_COMP_BZIP2:
{
int i;
printf(" Uncompressing part %d ... ", part);
/*
* If we've got less than 4 MB of malloc()
* space, use slower decompression algorithm
* which requires at most 2300 KB of memory.
*/
i = BZ2_bzBuffToBuffDecompress(
map_sysmem(ntohl(hdr->ih_load), 0),
&unc_len, (char *)data, len,
CONFIG_SYS_MALLOC_LEN < (4096 * 1024),
0);
if (i != BZ_OK) {
printf("BUNZIP2 ERROR %d - "
"image not loaded\n", i);
return 1;
}
}
break;
#endif /* CONFIG_BZIP2 */
default:
printf("Unimplemented compression type %d\n", comp);
return 1;
}
puts("OK\n");
}
setenv_hex("fileaddr", data);
setenv_hex("filesize", len);
return 0;
}
/**
* Execute selected states of the bootm command.
*
* Note the arguments to this state must be the first argument, Any 'bootm'
* or sub-command arguments must have already been taken.
*
* Note that if states contains more than one flag it MUST contain
* BOOTM_STATE_START, since this handles and consumes the command line args.
*
* Also note that aside from boot_os_fn functions and bootm_load_os no other
* functions we store the return value of in 'ret' may use a negative return
* value, without special handling.
*
* @param cmdtp Pointer to bootm command table entry
* @param flag Command flags (CMD_FLAG_...)
* @param argc Number of subcommand arguments (0 = no arguments)
* @param argv Arguments
* @param states Mask containing states to run (BOOTM_STATE_...)
* @param images Image header information
* @param boot_progress 1 to show boot progress, 0 to not do this
* @return 0 if ok, something else on error. Some errors will cause this
* function to perform a reboot! If states contains BOOTM_STATE_OS_GO
* then the intent is to boot an OS, so this function will not return
* unless the image type is standalone.
*/
static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], int states, bootm_headers_t *images,
int boot_progress)
{
boot_os_fn *boot_fn;
ulong iflag = 0;
int ret = 0;
images->state |= states;
/*
* Work through the states and see how far we get. We stop on
* any error.
*/
if (states & BOOTM_STATE_START)
ret = bootm_start(cmdtp, flag, argc, argv);
if (!ret && (states & BOOTM_STATE_FINDOS))
ret = bootm_find_os(cmdtp, flag, argc, argv);
if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
ret = bootm_find_other(cmdtp, flag, argc, argv);
argc = 0; /* consume the args */
}
/*
* We have reached the point of no return: we are going to
* overwrite all exception vector code, so we cannot easily
* recover from any failures any more...
*/
iflag = disable_interrupts();
#ifdef CONFIG_NETCONSOLE
/* Stop the ethernet stack if NetConsole could have left it up */
eth_halt();
#endif
#if defined(CONFIG_CMD_USB)
/*
* turn off USB to prevent the host controller from writing to the
* SDRAM while Linux is booting. This could happen (at least for OHCI
* controller), because the HCCA (Host Controller Communication Area)
* lies within the SDRAM and the host controller writes continously to
* this area (as busmaster!). The HccaFrameNumber is for example
* updated every 1 ms within the HCCA structure in SDRAM! For more
* details see the OpenHCI specification.
*/
usb_stop();
#endif
/* Load the OS */
if (!ret && (states & BOOTM_STATE_LOADOS)) {
ulong load_end;
ret = bootm_load_os(images, &load_end, 0);
if (ret && ret != BOOTM_ERR_OVERLAP)
goto err;
if (ret == 0)
lmb_reserve(&images->lmb, images->os.load,
(load_end - images->os.load));
else if (ret == BOOTM_ERR_OVERLAP)
ret = 0;
}
/* Relocate the ramdisk */
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
if (!ret && (states & BOOTM_STATE_RAMDISK)) {
ulong rd_len = images->rd_end - images->rd_start;
ret = boot_ramdisk_high(&images->lmb, images->rd_start,
rd_len, &images->initrd_start, &images->initrd_end);
if (!ret) {
setenv_hex("initrd_start", images->initrd_start);
setenv_hex("initrd_end", images->initrd_end);
}
}
#endif
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
if (!ret && (states & BOOTM_STATE_FDT)) {
boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
&images->ft_len);
}
#endif
/* From now on, we need the OS boot function */
if (ret)
return ret;
boot_fn = boot_os[images->os.os];
if (boot_fn == NULL) {
if (iflag)
enable_interrupts();
printf("ERROR: booting os '%s' (%d) is not supported\n",
genimg_get_os_name(images->os.os), images->os.os);
bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
return 1;
}
/* Call various other states that are not generally used */
if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
if (!ret && (states & BOOTM_STATE_OS_BD_T))
ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
if (!ret && (states & BOOTM_STATE_OS_PREP))
ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
#ifdef CONFIG_TRACE
/* Pretend to run the OS, then run a user command */
if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
char *cmd_list = getenv("fakegocmd");
ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
images, boot_fn);
if (!ret && cmd_list)
ret = run_command_list(cmd_list, -1, flag);
}
#endif
/* Now run the OS! We hope this doesn't return */
if (!ret && (states & BOOTM_STATE_OS_GO)) {
ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
images, boot_fn);
if (ret)
goto err;
}
return ret;
/* Deal with any fallout */
err:
if (iflag)
enable_interrupts();
if (ret == BOOTM_ERR_UNIMPLEMENTED)
bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
else if (ret == BOOTM_ERR_RESET)
do_reset(cmdtp, flag, argc, argv);
else
puts("subcommand not supported\n");
return ret;
}
int NetLoop(enum proto_t protocol)
{
bd_t *bd = gd->bd;
int ret = -1;
NetRestarted = 0;
NetDevExists = 0;
NetTryCount = 1;
debug_cond(DEBUG_INT_STATE, "--- NetLoop Entry\n");
bootstage_mark_name(BOOTSTAGE_ID_ETH_START, "eth_start");
net_init();
if (eth_is_on_demand_init() || protocol != NETCONS) {
eth_halt();
eth_set_current();
if (eth_init(bd) < 0) {
eth_halt();
return -1;
}
} else
eth_init_state_only(bd);
restart:
#ifdef CONFIG_USB_KEYBOARD
net_busy_flag = 0;
#endif
net_set_state(NETLOOP_CONTINUE);
/*
* Start the ball rolling with the given start function. From
* here on, this code is a state machine driven by received
* packets and timer events.
*/
debug_cond(DEBUG_INT_STATE, "--- NetLoop Init\n");
NetInitLoop();
switch (net_check_prereq(protocol)) {
case 1:
/* network not configured */
eth_halt();
return -1;
case 2:
/* network device not configured */
break;
case 0:
NetDevExists = 1;
NetBootFileXferSize = 0;
switch (protocol) {
case TFTPGET:
#ifdef CONFIG_CMD_TFTPPUT
case TFTPPUT:
#endif
/* always use ARP to get server ethernet address */
TftpStart(protocol);
break;
#ifdef CONFIG_CMD_TFTPSRV
case TFTPSRV:
TftpStartServer();
break;
#endif
#if defined(CONFIG_CMD_DHCP)
case DHCP:
BootpReset();
NetOurIP = 0;
DhcpRequest(); /* Basically same as BOOTP */
break;
#endif
case BOOTP:
BootpReset();
NetOurIP = 0;
BootpRequest();
break;
#if defined(CONFIG_CMD_RARP)
case RARP:
RarpTry = 0;
NetOurIP = 0;
RarpRequest();
break;
#endif
#if defined(CONFIG_CMD_PING)
case PING:
ping_start();
break;
#endif
#if defined(CONFIG_CMD_NFS)
case NFS:
NfsStart();
break;
#endif
#if defined(CONFIG_CMD_CDP)
case CDP:
CDPStart();
break;
#endif
#if defined (CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
case NETCONS:
NcStart();
break;
#endif
#if defined(CONFIG_CMD_SNTP)
case SNTP:
SntpStart();
break;
#endif
#if defined(CONFIG_CMD_DNS)
case DNS:
DnsStart();
break;
#endif
#if defined(CONFIG_CMD_LINK_LOCAL)
case LINKLOCAL:
link_local_start();
break;
#endif
default:
break;
}
break;
}
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
#if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && \
defined(CONFIG_STATUS_LED) && \
defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
if (miiphy_link(eth_get_dev()->name, CONFIG_SYS_FAULT_MII_ADDR))
status_led_set(STATUS_LED_RED, STATUS_LED_OFF);
else
status_led_set(STATUS_LED_RED, STATUS_LED_ON);
#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
#ifdef CONFIG_USB_KEYBOARD
net_busy_flag = 1;
#endif
/*
* Main packet reception loop. Loop receiving packets until
* someone sets `net_state' to a state that terminates.
*/
for (;;) {
WATCHDOG_RESET();
#ifdef CONFIG_SHOW_ACTIVITY
show_activity(1);
#endif
/*
* Check the ethernet for a new packet. The ethernet
* receive routine will process it.
*/
eth_rx();
/*
* Abort if ctrl-c was pressed.
*/
if (ctrlc()) {
/* cancel any ARP that may not have completed */
NetArpWaitPacketIP = 0;
net_cleanup_loop();
eth_halt();
/* Invalidate the last protocol */
eth_set_last_protocol(BOOTP);
puts("\nAbort\n");
/* include a debug print as well incase the debug
messages are directed to stderr */
debug_cond(DEBUG_INT_STATE, "--- NetLoop Abort!\n");
goto done;
}
ArpTimeoutCheck();
/*
* Check for a timeout, and run the timeout handler
* if we have one.
*/
if (timeHandler && ((get_timer(0) - timeStart) > timeDelta)) {
thand_f *x;
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
#if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && \
defined(CONFIG_STATUS_LED) && \
defined(STATUS_LED_RED)
/*
* Echo the inverted link state to the fault LED.
*/
if (miiphy_link(eth_get_dev()->name,
CONFIG_SYS_FAULT_MII_ADDR)) {
status_led_set(STATUS_LED_RED, STATUS_LED_OFF);
} else {
status_led_set(STATUS_LED_RED, STATUS_LED_ON);
}
#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
debug_cond(DEBUG_INT_STATE, "--- NetLoop timeout\n");
x = timeHandler;
timeHandler = (thand_f *)0;
(*x)();
}
switch (net_state) {
case NETLOOP_RESTART:
NetRestarted = 1;
goto restart;
case NETLOOP_SUCCESS:
net_cleanup_loop();
if (NetBootFileXferSize > 0) {
printf("Bytes transferred = %ld (%lx hex)\n",
NetBootFileXferSize,
NetBootFileXferSize);
setenv_hex("filesize", NetBootFileXferSize);
setenv_hex("fileaddr", load_addr);
}
if (protocol != NETCONS)
eth_halt();
else
eth_halt_state_only();
eth_set_last_protocol(protocol);
ret = NetBootFileXferSize;
debug_cond(DEBUG_INT_STATE, "--- NetLoop Success!\n");
goto done;
case NETLOOP_FAIL:
net_cleanup_loop();
/* Invalidate the last protocol */
eth_set_last_protocol(BOOTP);
debug_cond(DEBUG_INT_STATE, "--- NetLoop Fail!\n");
goto done;
case NETLOOP_CONTINUE:
continue;
}
}
done:
#ifdef CONFIG_USB_KEYBOARD
net_busy_flag = 0;
#endif
#ifdef CONFIG_CMD_TFTPPUT
/* Clear out the handlers */
net_set_udp_handler(NULL);
net_set_icmp_handler(NULL);
#endif
return ret;
}
/*
* env export [-t | -b | -c] [-s size] addr [var ...]
* -t: export as text format; if size is given, data will be
* padded with '\0' bytes; if not, one terminating '\0'
* will be added (which is included in the "filesize"
* setting so you can for exmple copy this to flash and
* keep the termination).
* -b: export as binary format (name=value pairs separated by
* '\0', list end marked by double "\0\0")
* -c: export as checksum protected environment format as
* used for example by "saveenv" command
* -s size:
* size of output buffer
* addr: memory address where environment gets stored
* var... List of variable names that get included into the
* export. Without arguments, the whole environment gets
* exported.
*
* With "-c" and size is NOT given, then the export command will
* format the data as currently used for the persistent storage,
* i. e. it will use CONFIG_ENV_SECT_SIZE as output block size and
* prepend a valid CRC32 checksum and, in case of resundant
* environment, a "current" redundancy flag. If size is given, this
* value will be used instead of CONFIG_ENV_SECT_SIZE; again, CRC32
* checksum and redundancy flag will be inserted.
*
* With "-b" and "-t", always only the real data (including a
* terminating '\0' byte) will be written; here the optional size
* argument will be used to make sure not to overflow the user
* provided buffer; the command will abort if the size is not
* sufficient. Any remainign space will be '\0' padded.
*
* On successful return, the variable "filesize" will be set.
* Note that filesize includes the trailing/terminating '\0' byte(s).
*
* Usage szenario: create a text snapshot/backup of the current settings:
*
* => env export -t 100000
* => era ${backup_addr} +${filesize}
* => cp.b 100000 ${backup_addr} ${filesize}
*
* Re-import this snapshot, deleting all other settings:
*
* => env import -d -t ${backup_addr}
*/
static int do_env_export(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
char buf[32];
char *addr, *cmd, *res;
size_t size = 0;
ssize_t len;
env_t *envp;
char sep = '\n';
int chk = 0;
int fmt = 0;
cmd = *argv;
while (--argc > 0 && **++argv == '-') {
char *arg = *argv;
while (*++arg) {
switch (*arg) {
case 'b': /* raw binary format */
if (fmt++)
goto sep_err;
sep = '\0';
break;
case 'c': /* external checksum format */
if (fmt++)
goto sep_err;
sep = '\0';
chk = 1;
break;
case 's': /* size given */
if (--argc <= 0)
return cmd_usage(cmdtp);
size = simple_strtoul(*++argv, NULL, 16);
goto NXTARG;
case 't': /* text format */
if (fmt++)
goto sep_err;
sep = '\n';
break;
default:
return CMD_RET_USAGE;
}
}
NXTARG: ;
}
if (argc < 1)
return CMD_RET_USAGE;
addr = (char *)simple_strtoul(argv[0], NULL, 16);
if (size)
memset(addr, '\0', size);
argc--;
argv++;
if (sep) { /* export as text file */
len = hexport_r(&env_htab, sep,
H_MATCH_KEY | H_MATCH_IDENT,
&addr, size, argc, argv);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
}
sprintf(buf, "%zX", (size_t)len);
setenv("filesize", buf);
return 0;
}
envp = (env_t *)addr;
if (chk) /* export as checksum protected block */
res = (char *)envp->data;
else /* export as raw binary data */
res = addr;
len = hexport_r(&env_htab, '\0',
H_MATCH_KEY | H_MATCH_IDENT,
&res, ENV_SIZE, argc, argv);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
}
if (chk) {
envp->crc = crc32(0, envp->data, ENV_SIZE);
#ifdef CONFIG_ENV_ADDR_REDUND
envp->flags = ACTIVE_FLAG;
#endif
}
setenv_hex("filesize", len + offsetof(env_t, data));
return 0;
sep_err:
printf("## %s: only one of \"-b\", \"-c\" or \"-t\" allowed\n", cmd);
return 1;
}
static int do_zfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *filename = NULL;
int dev;
int part;
ulong addr = 0;
disk_partition_t info;
block_dev_desc_t *dev_desc;
char buf[12];
unsigned long count;
const char *addr_str;
struct zfs_file zfile;
struct device_s vdev;
if (argc < 3)
return CMD_RET_USAGE;
count = 0;
addr = simple_strtoul(argv[3], NULL, 16);
filename = getenv("bootfile");
switch (argc) {
case 3:
addr_str = getenv("loadaddr");
if (addr_str != NULL)
addr = simple_strtoul(addr_str, NULL, 16);
else
addr = CONFIG_SYS_LOAD_ADDR;
break;
case 4:
break;
case 5:
filename = argv[4];
break;
case 6:
filename = argv[4];
count = simple_strtoul(argv[5], NULL, 16);
break;
default:
return cmd_usage(cmdtp);
}
if (!filename) {
puts("** No boot file defined **\n");
return 1;
}
part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
if (part < 0)
return 1;
dev = dev_desc->dev;
printf("Loading file \"%s\" from %s device %d%c%c\n",
filename, argv[1], dev,
part ? ':' : ' ', part ? part + '0' : ' ');
zfs_set_blk_dev(dev_desc, &info);
vdev.part_length = info.size;
memset(&zfile, 0, sizeof(zfile));
zfile.device = &vdev;
if (zfs_open(&zfile, filename)) {
printf("** File not found %s\n", filename);
return 1;
}
if ((count < zfile.size) && (count != 0))
zfile.size = (uint64_t)count;
if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) {
printf("** Unable to read \"%s\" from %s %d:%d **\n",
filename, argv[1], dev, part);
zfs_close(&zfile);
return 1;
}
zfs_close(&zfile);
/* Loading ok, update default load address */
load_addr = addr;
printf("%llu bytes read\n", zfile.size);
setenv_hex("filesize", zfile.size);
return 0;
}