diff options
Diffstat (limited to 'cmd/fat.c')
| -rw-r--r-- | cmd/fat.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/cmd/fat.c b/cmd/fat.c new file mode 100644 index 0000000..aae993d --- /dev/null +++ b/cmd/fat.c @@ -0,0 +1,152 @@ +/* + * (C) Copyright 2002 + * Richard Jones, rjones@nexus-tech.net + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Boot support + */ +#include <common.h> +#include <command.h> +#include <s_record.h> +#include <net.h> +#include <ata.h> +#include <asm/io.h> +#include <mapmem.h> +#include <part.h> +#include <fat.h> +#include <fs.h> + +int do_fat_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT); +} + +U_BOOT_CMD( + fatsize, 4, 0, do_fat_size, + "determine a file's size", + "<interface> <dev[:part]> <filename>\n" + " - Find file 'filename' from 'dev' on 'interface'\n" + " and determine its size." +); + +int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT); +} + + +U_BOOT_CMD( + fatload, 7, 0, do_fat_fsload, + "load binary file from a dos filesystem", + "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n" + " - Load binary file 'filename' from 'dev' on 'interface'\n" + " to address 'addr' from dos filesystem.\n" + " 'pos' gives the file position to start loading from.\n" + " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n" + " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n" + " the load stops on end of file.\n" + " If either 'pos' or 'bytes' are not aligned to\n" + " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n" + " be printed and performance will suffer for the load." +); + +static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT); +} + +U_BOOT_CMD( + fatls, 4, 1, do_fat_ls, + "list files in a directory (default /)", + "<interface> [<dev[:part]>] [directory]\n" + " - list files from 'dev' on 'interface' in a 'directory'" +); + +static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + int dev, part; + block_dev_desc_t *dev_desc; + disk_partition_t info; + + if (argc < 2) { + printf("usage: fatinfo <interface> [<dev[:part]>]\n"); + return 0; + } + + part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1); + if (part < 0) + return 1; + + dev = dev_desc->dev; + if (fat_set_blk_dev(dev_desc, &info) != 0) { + printf("\n** Unable to use %s %d:%d for fatinfo **\n", + argv[1], dev, part); + return 1; + } + return file_fat_detectfs(); +} + +U_BOOT_CMD( + fatinfo, 3, 1, do_fat_fsinfo, + "print information about filesystem", + "<interface> [<dev[:part]>]\n" + " - print information about filesystem from 'dev' on 'interface'" +); + +#ifdef CONFIG_FAT_WRITE +static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + loff_t size; + int ret; + unsigned long addr; + unsigned long count; + block_dev_desc_t *dev_desc = NULL; + disk_partition_t info; + int dev = 0; + int part = 1; + void *buf; + + if (argc < 5) + return cmd_usage(cmdtp); + + part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1); + if (part < 0) + return 1; + + dev = dev_desc->dev; + + if (fat_set_blk_dev(dev_desc, &info) != 0) { + printf("\n** Unable to use %s %d:%d for fatwrite **\n", + argv[1], dev, part); + return 1; + } + addr = simple_strtoul(argv[3], NULL, 16); + count = simple_strtoul(argv[5], NULL, 16); + + buf = map_sysmem(addr, count); + ret = file_fat_write(argv[4], buf, 0, count, &size); + unmap_sysmem(buf); + if (ret < 0) { + printf("\n** Unable to write \"%s\" from %s %d:%d **\n", + argv[4], argv[1], dev, part); + return 1; + } + + printf("%llu bytes written\n", size); + + return 0; +} + +U_BOOT_CMD( + fatwrite, 6, 0, do_fat_fswrite, + "write file into a dos filesystem", + "<interface> <dev[:part]> <addr> <filename> <bytes>\n" + " - write file 'filename' from the address 'addr' in RAM\n" + " to 'dev' on 'interface'" +); +#endif |