int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
char *filename = "/";
int dev=0;
int part=1;
char *ep;
block_dev_desc_t *dev_desc=NULL;
int part_length;
if (argc < 3) {
printf ("Usage:\n%s\n", cmdtp->usage);
return(1);
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
//printf("argv[1] = %s dev =%d",argv[1],dev);
dev_desc = get_dev(argv[1],dev);
if (dev_desc == NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
return(1);
}
if (*ep) {
if (*ep != ':') {
puts ("\n** Invalid boot device, use `dev[:part]' **\n");
return(1);
}
part = (int)simple_strtoul(++ep, NULL, 16);
}
if (argc == 4) {
filename = argv[3];
}
PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
ext2fs_close();
return(1);
}
if (!ext2fs_mount(part_length)) {
printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part);
ext2fs_close();
return(1);
}
if (ext2fs_ls (filename)) {
printf ("** Error ext2fs_ls() **\n");
ext2fs_close();
return(1);
};
ext2fs_close();
return(0);
}
/**********************************************************************
Function :check_ext2_usb
Descriptor :
Input : part: partition
Output : none
return : 0: success
1: not ext2
2: ext2,but lost file
Notice :
**********************************************************************/
int check_ext2_usb(int part)
{
int nfile;
char *filename_kernel = "vmlinux.ub";
int dev=0;
block_dev_desc_t *dev_desc=NULL;
int part_length;
dev_desc = get_dev("usb",0); //first partition
if (dev_desc == NULL)
{
printf ("[error]: Block dev not supported\n");
return(1);
}
part_length = ext2fs_set_blk_dev(dev_desc, part);
if (part_length == 0)
{
ext2fs_close();
return(1);
}
if (!ext2fs_mount(part_length)) //if ext2 type
{
ext2fs_close();
return(1);
}
if (ext2fs_open(filename_kernel) < 0)
{
printf("[error]:Kernel not found %s ...\n", filename_kernel);
ext2fs_close();
return(2);
}
ext2fs_close();
return(0);
}
static BT_HANDLE ext2_mount(BT_HANDLE hFS, BT_HANDLE hVolume, const void *data, BT_ERROR *pError) {
if(!hFS || !hVolume) {
if(pError) *pError = BT_ERR_GENERIC;
goto err_out;
}
BT_EXT2_MOUNT *pMount = (BT_EXT2_MOUNT *) BT_CreateHandle(&oHandleInterface, sizeof(BT_EXT2_MOUNT), pError);
if(!pMount) {
*pError = BT_ERR_NO_MEMORY;
goto err_out;
}
pMount->hVolume = hVolume;
ext2fs_set_readblocks(ext2_readblocks, hVolume);
if(ext2fs_mount(0) < 0) {
if(pError) *pError = BT_ERR_GENERIC;
goto err_free_out;
}
return (BT_HANDLE) pMount;
err_free_out:
BT_DestroyHandle((BT_HANDLE)pMount);
err_out:
return NULL;
}
/******************************************************************************
* Ext2fs boot command intepreter. Derived from diskboot
*/
int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
char *filename = NULL;
char *ep;
int dev, part = 1;
ulong addr = 0, part_length, filelen;
disk_partition_t info;
block_dev_desc_t *dev_desc = NULL;
char buf [12];
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:
cmd_usage(cmdtp);
return(1);
}
if (!filename) {
puts ("\n** No boot file defined **\n");
return(1);
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
dev_desc = get_dev(argv[1],dev);
if (dev_desc==NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
return(1);
}
if (*ep) {
if (*ep != ':') {
puts ("\n** Invalid boot device, use `dev[:part]' **\n");
return(1);
}
part = (int)simple_strtoul(++ep, NULL, 16);
}
PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);
if (part != 0) {
if (get_partition_info (dev_desc, part, &info)) {
printf ("** Bad partition %d **\n", part);
return(1);
}
if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
printf ("\n** Invalid partition type \"%.32s\""
" (expect \"" BOOT_PART_TYPE "\")\n",
info.type);
return(1);
}
PRINTF ("\nLoading from block device %s device %d, partition %d: "
"Name: %.32s Type: %.32s File:%s\n",
argv[1], dev, part, info.name, info.type, filename);
} else {
PRINTF ("\nLoading from block device %s device %d, File:%s\n",
argv[1], dev, filename);
}
if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
ext2fs_close();
return(1);
}
if (!ext2fs_mount(part_length)) {
printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part);
ext2fs_close();
return(1);
}
filelen = ext2fs_open(filename);
if (filelen < 0) {
printf("** File not found %s\n", filename);
ext2fs_close();
return(1);
}
if ((count < filelen) && (count != 0)) {
filelen = count;
}
if (ext2fs_read((char *)addr, filelen) != filelen) {
printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
ext2fs_close();
return(1);
}
ext2fs_close();
/* Loading ok, update default load address */
load_addr = addr;
printf ("\n%ld bytes read\n", filelen);
sprintf(buf, "%lX", filelen);
setenv("filesize", buf);
return(filelen);
}